Lastest docs updated
travis build: 71
commit: ed06543981
auto-pushed to gh-pages
This commit is contained in:
travis-ci
@@ -18,366 +18,367 @@
|
||||
<a name="line-9"></a><span class='hs-comment'>--</span>
|
||||
<a name="line-10"></a><span class='hs-comment'>-- Provides error handling.</span>
|
||||
<a name="line-11"></a>
|
||||
<a name="line-12"></a><span class='hs-comment'>{-# LANGUAGE ScopedTypeVariables #-}</span>
|
||||
<a name="line-13"></a>
|
||||
<a name="line-14"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>HPath</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>Errors</span>
|
||||
<a name="line-15"></a> <span class='hs-layout'>(</span>
|
||||
<a name="line-16"></a> <span class='hs-comment'>-- * Types</span>
|
||||
<a name="line-17"></a> <span class='hs-conid'>HPathIOException</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
|
||||
<a name="line-18"></a>
|
||||
<a name="line-19"></a> <span class='hs-comment'>-- * Exception identifiers</span>
|
||||
<a name="line-20"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>isFileDoesNotExist</span>
|
||||
<a name="line-21"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>isDirDoesNotExist</span>
|
||||
<a name="line-22"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>isSameFile</span>
|
||||
<a name="line-23"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>isDestinationInSource</span>
|
||||
<a name="line-24"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>isFileDoesExist</span>
|
||||
<a name="line-25"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>isDirDoesExist</span>
|
||||
<a name="line-26"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>isInvalidOperation</span>
|
||||
<a name="line-27"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>isCan'tOpenDirectory</span>
|
||||
<a name="line-28"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>isCopyFailed</span>
|
||||
<a name="line-29"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>isRecursiveFailure</span>
|
||||
<a name="line-30"></a>
|
||||
<a name="line-31"></a> <span class='hs-comment'>-- * Path based functions</span>
|
||||
<a name="line-32"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>throwFileDoesExist</span>
|
||||
<a name="line-33"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>throwDirDoesExist</span>
|
||||
<a name="line-34"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>throwFileDoesNotExist</span>
|
||||
<a name="line-35"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>throwDirDoesNotExist</span>
|
||||
<a name="line-36"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>throwSameFile</span>
|
||||
<a name="line-37"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>sameFile</span>
|
||||
<a name="line-38"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>throwDestinationInSource</span>
|
||||
<a name="line-39"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>doesFileExist</span>
|
||||
<a name="line-40"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>doesDirectoryExist</span>
|
||||
<a name="line-41"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>isWritable</span>
|
||||
<a name="line-42"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>canOpenDirectory</span>
|
||||
<a name="line-43"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>throwCantOpenDirectory</span>
|
||||
<a name="line-44"></a>
|
||||
<a name="line-45"></a> <span class='hs-comment'>-- * Error handling functions</span>
|
||||
<a name="line-46"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>catchErrno</span>
|
||||
<a name="line-47"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>rethrowErrnoAs</span>
|
||||
<a name="line-48"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>handleIOError</span>
|
||||
<a name="line-49"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>bracketeer</span>
|
||||
<a name="line-50"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>reactOnError</span>
|
||||
<a name="line-51"></a> <span class='hs-layout'>)</span>
|
||||
<a name="line-52"></a> <span class='hs-keyword'>where</span>
|
||||
<a name="line-53"></a>
|
||||
<a name="line-12"></a><span class='hs-comment'>{-# LANGUAGE DeriveDataTypeable #-}</span>
|
||||
<a name="line-13"></a><span class='hs-comment'>{-# LANGUAGE ScopedTypeVariables #-}</span>
|
||||
<a name="line-14"></a>
|
||||
<a name="line-15"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>HPath</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>Errors</span>
|
||||
<a name="line-16"></a> <span class='hs-layout'>(</span>
|
||||
<a name="line-17"></a> <span class='hs-comment'>-- * Types</span>
|
||||
<a name="line-18"></a> <span class='hs-conid'>HPathIOException</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
|
||||
<a name="line-19"></a>
|
||||
<a name="line-20"></a> <span class='hs-comment'>-- * Exception identifiers</span>
|
||||
<a name="line-21"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>isFileDoesNotExist</span>
|
||||
<a name="line-22"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>isDirDoesNotExist</span>
|
||||
<a name="line-23"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>isSameFile</span>
|
||||
<a name="line-24"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>isDestinationInSource</span>
|
||||
<a name="line-25"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>isFileDoesExist</span>
|
||||
<a name="line-26"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>isDirDoesExist</span>
|
||||
<a name="line-27"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>isInvalidOperation</span>
|
||||
<a name="line-28"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>isCan'tOpenDirectory</span>
|
||||
<a name="line-29"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>isCopyFailed</span>
|
||||
<a name="line-30"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>isRecursiveFailure</span>
|
||||
<a name="line-31"></a>
|
||||
<a name="line-32"></a> <span class='hs-comment'>-- * Path based functions</span>
|
||||
<a name="line-33"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>throwFileDoesExist</span>
|
||||
<a name="line-34"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>throwDirDoesExist</span>
|
||||
<a name="line-35"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>throwFileDoesNotExist</span>
|
||||
<a name="line-36"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>throwDirDoesNotExist</span>
|
||||
<a name="line-37"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>throwSameFile</span>
|
||||
<a name="line-38"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>sameFile</span>
|
||||
<a name="line-39"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>throwDestinationInSource</span>
|
||||
<a name="line-40"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>doesFileExist</span>
|
||||
<a name="line-41"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>doesDirectoryExist</span>
|
||||
<a name="line-42"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>isWritable</span>
|
||||
<a name="line-43"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>canOpenDirectory</span>
|
||||
<a name="line-44"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>throwCantOpenDirectory</span>
|
||||
<a name="line-45"></a>
|
||||
<a name="line-46"></a> <span class='hs-comment'>-- * Error handling functions</span>
|
||||
<a name="line-47"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>catchErrno</span>
|
||||
<a name="line-48"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>rethrowErrnoAs</span>
|
||||
<a name="line-49"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>handleIOError</span>
|
||||
<a name="line-50"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>bracketeer</span>
|
||||
<a name="line-51"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>reactOnError</span>
|
||||
<a name="line-52"></a> <span class='hs-layout'>)</span>
|
||||
<a name="line-53"></a> <span class='hs-keyword'>where</span>
|
||||
<a name="line-54"></a>
|
||||
<a name="line-55"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Applicative</span>
|
||||
<a name="line-56"></a> <span class='hs-layout'>(</span>
|
||||
<a name="line-57"></a> <span class='hs-layout'>(</span><span class='hs-varop'><$></span><span class='hs-layout'>)</span>
|
||||
<a name="line-58"></a> <span class='hs-layout'>)</span>
|
||||
<a name="line-59"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Exception</span>
|
||||
<a name="line-60"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span>
|
||||
<a name="line-61"></a> <span class='hs-layout'>(</span>
|
||||
<a name="line-62"></a> <span class='hs-varid'>forM</span>
|
||||
<a name="line-63"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>when</span>
|
||||
<a name="line-64"></a> <span class='hs-layout'>)</span>
|
||||
<a name="line-65"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span>
|
||||
<a name="line-66"></a> <span class='hs-layout'>(</span>
|
||||
<a name="line-67"></a> <span class='hs-conid'>ByteString</span>
|
||||
<a name="line-68"></a> <span class='hs-layout'>)</span>
|
||||
<a name="line-69"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span><span class='hs-varop'>.</span><span class='hs-conid'>UTF8</span>
|
||||
<a name="line-70"></a> <span class='hs-layout'>(</span>
|
||||
<a name="line-71"></a> <span class='hs-varid'>toString</span>
|
||||
<a name="line-72"></a> <span class='hs-layout'>)</span>
|
||||
<a name="line-73"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Typeable</span>
|
||||
<a name="line-74"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Foreign</span><span class='hs-varop'>.</span><span class='hs-conid'>C</span><span class='hs-varop'>.</span><span class='hs-conid'>Error</span>
|
||||
<a name="line-75"></a> <span class='hs-layout'>(</span>
|
||||
<a name="line-76"></a> <span class='hs-varid'>getErrno</span>
|
||||
<a name="line-77"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>Errno</span>
|
||||
<a name="line-78"></a> <span class='hs-layout'>)</span>
|
||||
<a name="line-79"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>GHC</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>Exception</span>
|
||||
<a name="line-80"></a> <span class='hs-layout'>(</span>
|
||||
<a name="line-81"></a> <span class='hs-conid'>IOErrorType</span>
|
||||
<a name="line-82"></a> <span class='hs-layout'>)</span>
|
||||
<a name="line-83"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>HPath</span>
|
||||
<a name="line-84"></a><span class='hs-keyword'>import</span> <span class='hs-comment'>{-# SOURCE #-}</span> <span class='hs-conid'>HPath</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span>
|
||||
<a name="line-85"></a> <span class='hs-layout'>(</span>
|
||||
<a name="line-86"></a> <span class='hs-varid'>canonicalizePath</span>
|
||||
<a name="line-87"></a> <span class='hs-layout'>)</span>
|
||||
<a name="line-88"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>HPath</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>Utils</span>
|
||||
<a name="line-89"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>Error</span>
|
||||
<a name="line-90"></a> <span class='hs-layout'>(</span>
|
||||
<a name="line-91"></a> <span class='hs-varid'>catchIOError</span>
|
||||
<a name="line-92"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>ioeGetErrorType</span>
|
||||
<a name="line-93"></a> <span class='hs-layout'>)</span>
|
||||
<a name="line-94"></a>
|
||||
<a name="line-95"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Posix</span><span class='hs-varop'>.</span><span class='hs-conid'>Directory</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>PFD</span>
|
||||
<a name="line-96"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Posix</span><span class='hs-varop'>.</span><span class='hs-conid'>Files</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span>
|
||||
<a name="line-97"></a> <span class='hs-layout'>(</span>
|
||||
<a name="line-98"></a> <span class='hs-varid'>fileAccess</span>
|
||||
<a name="line-99"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>getFileStatus</span>
|
||||
<a name="line-100"></a> <span class='hs-layout'>)</span>
|
||||
<a name="line-101"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Posix</span><span class='hs-varop'>.</span><span class='hs-conid'>Files</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>PF</span>
|
||||
<a name="line-102"></a>
|
||||
<a name="line-55"></a>
|
||||
<a name="line-56"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Applicative</span>
|
||||
<a name="line-57"></a> <span class='hs-layout'>(</span>
|
||||
<a name="line-58"></a> <span class='hs-layout'>(</span><span class='hs-varop'><$></span><span class='hs-layout'>)</span>
|
||||
<a name="line-59"></a> <span class='hs-layout'>)</span>
|
||||
<a name="line-60"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Exception</span>
|
||||
<a name="line-61"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span>
|
||||
<a name="line-62"></a> <span class='hs-layout'>(</span>
|
||||
<a name="line-63"></a> <span class='hs-varid'>forM</span>
|
||||
<a name="line-64"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>when</span>
|
||||
<a name="line-65"></a> <span class='hs-layout'>)</span>
|
||||
<a name="line-66"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span>
|
||||
<a name="line-67"></a> <span class='hs-layout'>(</span>
|
||||
<a name="line-68"></a> <span class='hs-conid'>ByteString</span>
|
||||
<a name="line-69"></a> <span class='hs-layout'>)</span>
|
||||
<a name="line-70"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span><span class='hs-varop'>.</span><span class='hs-conid'>UTF8</span>
|
||||
<a name="line-71"></a> <span class='hs-layout'>(</span>
|
||||
<a name="line-72"></a> <span class='hs-varid'>toString</span>
|
||||
<a name="line-73"></a> <span class='hs-layout'>)</span>
|
||||
<a name="line-74"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Typeable</span>
|
||||
<a name="line-75"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Foreign</span><span class='hs-varop'>.</span><span class='hs-conid'>C</span><span class='hs-varop'>.</span><span class='hs-conid'>Error</span>
|
||||
<a name="line-76"></a> <span class='hs-layout'>(</span>
|
||||
<a name="line-77"></a> <span class='hs-varid'>getErrno</span>
|
||||
<a name="line-78"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>Errno</span>
|
||||
<a name="line-79"></a> <span class='hs-layout'>)</span>
|
||||
<a name="line-80"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>GHC</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>Exception</span>
|
||||
<a name="line-81"></a> <span class='hs-layout'>(</span>
|
||||
<a name="line-82"></a> <span class='hs-conid'>IOErrorType</span>
|
||||
<a name="line-83"></a> <span class='hs-layout'>)</span>
|
||||
<a name="line-84"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>HPath</span>
|
||||
<a name="line-85"></a><span class='hs-keyword'>import</span> <span class='hs-comment'>{-# SOURCE #-}</span> <span class='hs-conid'>HPath</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span>
|
||||
<a name="line-86"></a> <span class='hs-layout'>(</span>
|
||||
<a name="line-87"></a> <span class='hs-varid'>canonicalizePath</span>
|
||||
<a name="line-88"></a> <span class='hs-layout'>)</span>
|
||||
<a name="line-89"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>HPath</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>Utils</span>
|
||||
<a name="line-90"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>Error</span>
|
||||
<a name="line-91"></a> <span class='hs-layout'>(</span>
|
||||
<a name="line-92"></a> <span class='hs-varid'>catchIOError</span>
|
||||
<a name="line-93"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>ioeGetErrorType</span>
|
||||
<a name="line-94"></a> <span class='hs-layout'>)</span>
|
||||
<a name="line-95"></a>
|
||||
<a name="line-96"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Posix</span><span class='hs-varop'>.</span><span class='hs-conid'>Directory</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>PFD</span>
|
||||
<a name="line-97"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Posix</span><span class='hs-varop'>.</span><span class='hs-conid'>Files</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span>
|
||||
<a name="line-98"></a> <span class='hs-layout'>(</span>
|
||||
<a name="line-99"></a> <span class='hs-varid'>fileAccess</span>
|
||||
<a name="line-100"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>getFileStatus</span>
|
||||
<a name="line-101"></a> <span class='hs-layout'>)</span>
|
||||
<a name="line-102"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Posix</span><span class='hs-varop'>.</span><span class='hs-conid'>Files</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>PF</span>
|
||||
<a name="line-103"></a>
|
||||
<a name="line-104"></a><a name="HPathIOException"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>HPathIOException</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>FileDoesNotExist</span> <span class='hs-conid'>ByteString</span>
|
||||
<a name="line-105"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>DirDoesNotExist</span> <span class='hs-conid'>ByteString</span>
|
||||
<a name="line-106"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>SameFile</span> <span class='hs-conid'>ByteString</span> <span class='hs-conid'>ByteString</span>
|
||||
<a name="line-107"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>DestinationInSource</span> <span class='hs-conid'>ByteString</span> <span class='hs-conid'>ByteString</span>
|
||||
<a name="line-108"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>FileDoesExist</span> <span class='hs-conid'>ByteString</span>
|
||||
<a name="line-109"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>DirDoesExist</span> <span class='hs-conid'>ByteString</span>
|
||||
<a name="line-110"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>InvalidOperation</span> <span class='hs-conid'>String</span>
|
||||
<a name="line-111"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Can'tOpenDirectory</span> <span class='hs-conid'>ByteString</span>
|
||||
<a name="line-112"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>CopyFailed</span> <span class='hs-conid'>String</span>
|
||||
<a name="line-113"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>RecursiveFailure</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>IOException</span><span class='hs-keyglyph'>]</span>
|
||||
<a name="line-114"></a> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span><span class='hs-conid'>Typeable</span><span class='hs-layout'>,</span> <span class='hs-conid'>Eq</span><span class='hs-layout'>)</span>
|
||||
<a name="line-115"></a>
|
||||
<a name="line-104"></a>
|
||||
<a name="line-105"></a><a name="HPathIOException"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>HPathIOException</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>FileDoesNotExist</span> <span class='hs-conid'>ByteString</span>
|
||||
<a name="line-106"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>DirDoesNotExist</span> <span class='hs-conid'>ByteString</span>
|
||||
<a name="line-107"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>SameFile</span> <span class='hs-conid'>ByteString</span> <span class='hs-conid'>ByteString</span>
|
||||
<a name="line-108"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>DestinationInSource</span> <span class='hs-conid'>ByteString</span> <span class='hs-conid'>ByteString</span>
|
||||
<a name="line-109"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>FileDoesExist</span> <span class='hs-conid'>ByteString</span>
|
||||
<a name="line-110"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>DirDoesExist</span> <span class='hs-conid'>ByteString</span>
|
||||
<a name="line-111"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>InvalidOperation</span> <span class='hs-conid'>String</span>
|
||||
<a name="line-112"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Can'tOpenDirectory</span> <span class='hs-conid'>ByteString</span>
|
||||
<a name="line-113"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>CopyFailed</span> <span class='hs-conid'>String</span>
|
||||
<a name="line-114"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>RecursiveFailure</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>IOException</span><span class='hs-keyglyph'>]</span>
|
||||
<a name="line-115"></a> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span><span class='hs-conid'>Typeable</span><span class='hs-layout'>,</span> <span class='hs-conid'>Eq</span><span class='hs-layout'>)</span>
|
||||
<a name="line-116"></a>
|
||||
<a name="line-117"></a><a name="instance%20Show%20HPathIOException"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Show</span> <span class='hs-conid'>HPathIOException</span> <span class='hs-keyword'>where</span>
|
||||
<a name="line-118"></a> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-conid'>FileDoesNotExist</span> <span class='hs-varid'>fp</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"File does not exist:"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>toString</span> <span class='hs-varid'>fp</span>
|
||||
<a name="line-119"></a> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-conid'>DirDoesNotExist</span> <span class='hs-varid'>fp</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"Directory does not exist: "</span>
|
||||
<a name="line-120"></a> <span class='hs-varop'>++</span> <span class='hs-varid'>toString</span> <span class='hs-varid'>fp</span>
|
||||
<a name="line-121"></a> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-conid'>SameFile</span> <span class='hs-varid'>fp1</span> <span class='hs-varid'>fp2</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>toString</span> <span class='hs-varid'>fp1</span>
|
||||
<a name="line-122"></a> <span class='hs-varop'>++</span> <span class='hs-str'>" and "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>toString</span> <span class='hs-varid'>fp2</span>
|
||||
<a name="line-123"></a> <span class='hs-varop'>++</span> <span class='hs-str'>" are the same file!"</span>
|
||||
<a name="line-124"></a> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-conid'>DestinationInSource</span> <span class='hs-varid'>fp1</span> <span class='hs-varid'>fp2</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>toString</span> <span class='hs-varid'>fp1</span>
|
||||
<a name="line-125"></a> <span class='hs-varop'>++</span> <span class='hs-str'>" is contained in "</span>
|
||||
<a name="line-126"></a> <span class='hs-varop'>++</span> <span class='hs-varid'>toString</span> <span class='hs-varid'>fp2</span>
|
||||
<a name="line-127"></a> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-conid'>FileDoesExist</span> <span class='hs-varid'>fp</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"File does exist: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>toString</span> <span class='hs-varid'>fp</span>
|
||||
<a name="line-128"></a> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-conid'>DirDoesExist</span> <span class='hs-varid'>fp</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"Directory does exist: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>toString</span> <span class='hs-varid'>fp</span>
|
||||
<a name="line-129"></a> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-conid'>InvalidOperation</span> <span class='hs-varid'>str</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"Invalid operation: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>str</span>
|
||||
<a name="line-130"></a> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-conid'>Can'tOpenDirectory</span> <span class='hs-varid'>fp</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"Can't open directory: "</span>
|
||||
<a name="line-131"></a> <span class='hs-varop'>++</span> <span class='hs-varid'>toString</span> <span class='hs-varid'>fp</span>
|
||||
<a name="line-132"></a> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-conid'>CopyFailed</span> <span class='hs-varid'>str</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"Copying failed: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>str</span>
|
||||
<a name="line-133"></a> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-conid'>RecursiveFailure</span> <span class='hs-varid'>exs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"Recursive operation failed: "</span>
|
||||
<a name="line-134"></a> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>exs</span>
|
||||
<a name="line-135"></a>
|
||||
<a name="line-117"></a>
|
||||
<a name="line-118"></a><a name="instance%20Show%20HPathIOException"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Show</span> <span class='hs-conid'>HPathIOException</span> <span class='hs-keyword'>where</span>
|
||||
<a name="line-119"></a> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-conid'>FileDoesNotExist</span> <span class='hs-varid'>fp</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"File does not exist:"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>toString</span> <span class='hs-varid'>fp</span>
|
||||
<a name="line-120"></a> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-conid'>DirDoesNotExist</span> <span class='hs-varid'>fp</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"Directory does not exist: "</span>
|
||||
<a name="line-121"></a> <span class='hs-varop'>++</span> <span class='hs-varid'>toString</span> <span class='hs-varid'>fp</span>
|
||||
<a name="line-122"></a> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-conid'>SameFile</span> <span class='hs-varid'>fp1</span> <span class='hs-varid'>fp2</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>toString</span> <span class='hs-varid'>fp1</span>
|
||||
<a name="line-123"></a> <span class='hs-varop'>++</span> <span class='hs-str'>" and "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>toString</span> <span class='hs-varid'>fp2</span>
|
||||
<a name="line-124"></a> <span class='hs-varop'>++</span> <span class='hs-str'>" are the same file!"</span>
|
||||
<a name="line-125"></a> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-conid'>DestinationInSource</span> <span class='hs-varid'>fp1</span> <span class='hs-varid'>fp2</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>toString</span> <span class='hs-varid'>fp1</span>
|
||||
<a name="line-126"></a> <span class='hs-varop'>++</span> <span class='hs-str'>" is contained in "</span>
|
||||
<a name="line-127"></a> <span class='hs-varop'>++</span> <span class='hs-varid'>toString</span> <span class='hs-varid'>fp2</span>
|
||||
<a name="line-128"></a> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-conid'>FileDoesExist</span> <span class='hs-varid'>fp</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"File does exist: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>toString</span> <span class='hs-varid'>fp</span>
|
||||
<a name="line-129"></a> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-conid'>DirDoesExist</span> <span class='hs-varid'>fp</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"Directory does exist: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>toString</span> <span class='hs-varid'>fp</span>
|
||||
<a name="line-130"></a> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-conid'>InvalidOperation</span> <span class='hs-varid'>str</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"Invalid operation: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>str</span>
|
||||
<a name="line-131"></a> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-conid'>Can'tOpenDirectory</span> <span class='hs-varid'>fp</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"Can't open directory: "</span>
|
||||
<a name="line-132"></a> <span class='hs-varop'>++</span> <span class='hs-varid'>toString</span> <span class='hs-varid'>fp</span>
|
||||
<a name="line-133"></a> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-conid'>CopyFailed</span> <span class='hs-varid'>str</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"Copying failed: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>str</span>
|
||||
<a name="line-134"></a> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-conid'>RecursiveFailure</span> <span class='hs-varid'>exs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"Recursive operation failed: "</span>
|
||||
<a name="line-135"></a> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>exs</span>
|
||||
<a name="line-136"></a>
|
||||
<a name="line-137"></a><a name="toConstr"></a><span class='hs-definition'>toConstr</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>HPathIOException</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
|
||||
<a name="line-138"></a><span class='hs-definition'>toConstr</span> <span class='hs-conid'>FileDoesNotExist</span> <span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"FileDoesNotExist"</span>
|
||||
<a name="line-139"></a><span class='hs-definition'>toConstr</span> <span class='hs-conid'>DirDoesNotExist</span> <span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"DirDoesNotExist"</span>
|
||||
<a name="line-140"></a><span class='hs-definition'>toConstr</span> <span class='hs-conid'>SameFile</span> <span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"SameFile"</span>
|
||||
<a name="line-141"></a><span class='hs-definition'>toConstr</span> <span class='hs-conid'>DestinationInSource</span> <span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"DestinationInSource"</span>
|
||||
<a name="line-142"></a><span class='hs-definition'>toConstr</span> <span class='hs-conid'>FileDoesExist</span> <span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"FileDoesExist"</span>
|
||||
<a name="line-143"></a><span class='hs-definition'>toConstr</span> <span class='hs-conid'>DirDoesExist</span> <span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"DirDoesExist"</span>
|
||||
<a name="line-144"></a><span class='hs-definition'>toConstr</span> <span class='hs-conid'>InvalidOperation</span> <span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"InvalidOperation"</span>
|
||||
<a name="line-145"></a><span class='hs-definition'>toConstr</span> <span class='hs-conid'>Can'tOpenDirectory</span> <span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"Can'tOpenDirectory"</span>
|
||||
<a name="line-146"></a><span class='hs-definition'>toConstr</span> <span class='hs-conid'>CopyFailed</span> <span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"CopyFailed"</span>
|
||||
<a name="line-147"></a><span class='hs-definition'>toConstr</span> <span class='hs-conid'>RecursiveFailure</span> <span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"RecursiveFailure"</span>
|
||||
<a name="line-148"></a>
|
||||
<a name="line-137"></a>
|
||||
<a name="line-138"></a><a name="toConstr"></a><span class='hs-definition'>toConstr</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>HPathIOException</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
|
||||
<a name="line-139"></a><span class='hs-definition'>toConstr</span> <span class='hs-conid'>FileDoesNotExist</span> <span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"FileDoesNotExist"</span>
|
||||
<a name="line-140"></a><span class='hs-definition'>toConstr</span> <span class='hs-conid'>DirDoesNotExist</span> <span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"DirDoesNotExist"</span>
|
||||
<a name="line-141"></a><span class='hs-definition'>toConstr</span> <span class='hs-conid'>SameFile</span> <span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"SameFile"</span>
|
||||
<a name="line-142"></a><span class='hs-definition'>toConstr</span> <span class='hs-conid'>DestinationInSource</span> <span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"DestinationInSource"</span>
|
||||
<a name="line-143"></a><span class='hs-definition'>toConstr</span> <span class='hs-conid'>FileDoesExist</span> <span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"FileDoesExist"</span>
|
||||
<a name="line-144"></a><span class='hs-definition'>toConstr</span> <span class='hs-conid'>DirDoesExist</span> <span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"DirDoesExist"</span>
|
||||
<a name="line-145"></a><span class='hs-definition'>toConstr</span> <span class='hs-conid'>InvalidOperation</span> <span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"InvalidOperation"</span>
|
||||
<a name="line-146"></a><span class='hs-definition'>toConstr</span> <span class='hs-conid'>Can'tOpenDirectory</span> <span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"Can'tOpenDirectory"</span>
|
||||
<a name="line-147"></a><span class='hs-definition'>toConstr</span> <span class='hs-conid'>CopyFailed</span> <span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"CopyFailed"</span>
|
||||
<a name="line-148"></a><span class='hs-definition'>toConstr</span> <span class='hs-conid'>RecursiveFailure</span> <span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"RecursiveFailure"</span>
|
||||
<a name="line-149"></a>
|
||||
<a name="line-150"></a>
|
||||
<a name="line-151"></a>
|
||||
<a name="line-152"></a><a name="instance%20%5bErrno%5d%20--%20%5e%20errno%20to%20catch%20-%3e%20e%20--%20%5e%20rethrow%20as%20if%20errno%20matches%20-%3e%20IO%20a%20--%20%5e%20action%20to%20try%20-%3e%20IO%20a%20rethrowErrnoAs%20en%20fmex%20action%20=%20catchErrno%20en%20action%20(throwIO%20fmex)%20--%20%7cLike%20%60catchIOError%60,%20with%20arguments%20swapped.%20handleIOError%20::%20(IOError%20-%3e%20IO%20a)%20-%3e%20IO%20a%20-%3e%20IO%20a%20handleIOError%20=%20flip%20catchIOError%20--%20%7cLike%20%60bracket%60,%20but%20allows%20to%20have%20different%20clean-up%20--%20actions%20depending%20on%20whether%20the%20in-between%20computation%20--%20has%20raised%20an%20exception%20or%20not.%20bracketeer%20::%20IO%20a%20--%20%5e%20computation%20to%20run%20first%20-%3e%20(a%20-%3e%20IO%20b)%20--%20%5e%20computation%20to%20run%20last,%20when%20--%20no%20exception%20was%20raised%20-%3e%20(a%20-%3e%20IO%20b)%20--%20%5e%20computation%20to%20run%20last,%20--%20when%20an%20exception%20was%20raised%20-%3e%20(a%20-%3e%20IO%20c)%20--%20%5e%20computation%20to%20run%20in-between%20-%3e%20IO%20c%20bracketeer%20before%20after%20afterEx%20thing%20=%20mask%20$%20%5crestore%20-%3e%20do%20a%20%3c-%20before%20r%20%3c-%20restore%20(thing%20a)%20%60onException%60%20afterEx%20a%20_%20%3c-%20after%20a%20return%20r%20reactOnError%20::%20IO%20a%20-%3e%20%5b(IOErrorType,%20IO%20a)%5d%20--%20%5e%20reaction%20on%20IO%20errors%20-%3e%20%5b(HPathIOException,%20IO%20a)%5d%20--%20%5e%20reaction%20on%20HPathIOException%20-%3e%20IO%20a%20reactOnError%20a%20ios%20fmios%20=%20a%20%60catches%60%20%5biohandler,%20fmiohandler%5d"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Exception</span> <span class='hs-conid'>HPathIOException</span>
|
||||
<a name="line-153"></a>
|
||||
<a name="line-152"></a>
|
||||
<a name="line-153"></a><a name="instance%20%5bErrno%5d%20--%20%5e%20errno%20to%20catch%20-%3e%20e%20--%20%5e%20rethrow%20as%20if%20errno%20matches%20-%3e%20IO%20a%20--%20%5e%20action%20to%20try%20-%3e%20IO%20a%20rethrowErrnoAs%20en%20fmex%20action%20=%20catchErrno%20en%20action%20(throwIO%20fmex)%20--%20%7cLike%20%60catchIOError%60,%20with%20arguments%20swapped.%20handleIOError%20::%20(IOError%20-%3e%20IO%20a)%20-%3e%20IO%20a%20-%3e%20IO%20a%20handleIOError%20=%20flip%20catchIOError%20--%20%7cLike%20%60bracket%60,%20but%20allows%20to%20have%20different%20clean-up%20--%20actions%20depending%20on%20whether%20the%20in-between%20computation%20--%20has%20raised%20an%20exception%20or%20not.%20bracketeer%20::%20IO%20a%20--%20%5e%20computation%20to%20run%20first%20-%3e%20(a%20-%3e%20IO%20b)%20--%20%5e%20computation%20to%20run%20last,%20when%20--%20no%20exception%20was%20raised%20-%3e%20(a%20-%3e%20IO%20b)%20--%20%5e%20computation%20to%20run%20last,%20--%20when%20an%20exception%20was%20raised%20-%3e%20(a%20-%3e%20IO%20c)%20--%20%5e%20computation%20to%20run%20in-between%20-%3e%20IO%20c%20bracketeer%20before%20after%20afterEx%20thing%20=%20mask%20$%20%5crestore%20-%3e%20do%20a%20%3c-%20before%20r%20%3c-%20restore%20(thing%20a)%20%60onException%60%20afterEx%20a%20_%20%3c-%20after%20a%20return%20r%20reactOnError%20::%20IO%20a%20-%3e%20%5b(IOErrorType,%20IO%20a)%5d%20--%20%5e%20reaction%20on%20IO%20errors%20-%3e%20%5b(HPathIOException,%20IO%20a)%5d%20--%20%5e%20reaction%20on%20HPathIOException%20-%3e%20IO%20a%20reactOnError%20a%20ios%20fmios%20=%20a%20%60catches%60%20%5biohandler,%20fmiohandler%5d"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Exception</span> <span class='hs-conid'>HPathIOException</span>
|
||||
<a name="line-154"></a>
|
||||
<a name="line-155"></a>
|
||||
<a name="line-156"></a>
|
||||
<a name="line-157"></a>
|
||||
<a name="line-158"></a> <span class='hs-comment'>-----------------------------</span>
|
||||
<a name="line-159"></a> <span class='hs-comment'>--[ Exception identifiers ]--</span>
|
||||
<a name="line-160"></a> <span class='hs-comment'>-----------------------------</span>
|
||||
<a name="line-161"></a>
|
||||
<a name="line-162"></a><a name="isFileDoesNotExist"></a><span class='hs-definition'>isFileDoesNotExist</span><span class='hs-layout'>,</span> <span class='hs-varid'>isDirDoesNotExist</span><span class='hs-layout'>,</span> <span class='hs-varid'>isSameFile</span><span class='hs-layout'>,</span> <span class='hs-varid'>isDestinationInSource</span><span class='hs-layout'>,</span> <span class='hs-varid'>isFileDoesExist</span><span class='hs-layout'>,</span> <span class='hs-varid'>isDirDoesExist</span><span class='hs-layout'>,</span> <span class='hs-varid'>isInvalidOperation</span><span class='hs-layout'>,</span> <span class='hs-varid'>isCan'tOpenDirectory</span><span class='hs-layout'>,</span> <span class='hs-varid'>isCopyFailed</span><span class='hs-layout'>,</span> <span class='hs-varid'>isRecursiveFailure</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>HPathIOException</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span>
|
||||
<a name="line-163"></a><span class='hs-definition'>isFileDoesNotExist</span> <span class='hs-varid'>ex</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>toConstr</span> <span class='hs-layout'>(</span><span class='hs-varid'>ex</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>HPathIOException</span><span class='hs-layout'>)</span> <span class='hs-varop'>==</span> <span class='hs-varid'>toConstr</span> <span class='hs-conid'>FileDoesNotExist</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span>
|
||||
<a name="line-164"></a><a name="isDirDoesNotExist"></a><span class='hs-definition'>isDirDoesNotExist</span> <span class='hs-varid'>ex</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>toConstr</span> <span class='hs-layout'>(</span><span class='hs-varid'>ex</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>HPathIOException</span><span class='hs-layout'>)</span> <span class='hs-varop'>==</span> <span class='hs-varid'>toConstr</span> <span class='hs-conid'>DirDoesNotExist</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span>
|
||||
<a name="line-165"></a><a name="isSameFile"></a><span class='hs-definition'>isSameFile</span> <span class='hs-varid'>ex</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>toConstr</span> <span class='hs-layout'>(</span><span class='hs-varid'>ex</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>HPathIOException</span><span class='hs-layout'>)</span> <span class='hs-varop'>==</span> <span class='hs-varid'>toConstr</span> <span class='hs-conid'>SameFile</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span>
|
||||
<a name="line-166"></a><a name="isDestinationInSource"></a><span class='hs-definition'>isDestinationInSource</span> <span class='hs-varid'>ex</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>toConstr</span> <span class='hs-layout'>(</span><span class='hs-varid'>ex</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>HPathIOException</span><span class='hs-layout'>)</span> <span class='hs-varop'>==</span> <span class='hs-varid'>toConstr</span> <span class='hs-conid'>DestinationInSource</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span>
|
||||
<a name="line-167"></a><a name="isFileDoesExist"></a><span class='hs-definition'>isFileDoesExist</span> <span class='hs-varid'>ex</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>toConstr</span> <span class='hs-layout'>(</span><span class='hs-varid'>ex</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>HPathIOException</span><span class='hs-layout'>)</span> <span class='hs-varop'>==</span> <span class='hs-varid'>toConstr</span> <span class='hs-conid'>FileDoesExist</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span>
|
||||
<a name="line-168"></a><a name="isDirDoesExist"></a><span class='hs-definition'>isDirDoesExist</span> <span class='hs-varid'>ex</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>toConstr</span> <span class='hs-layout'>(</span><span class='hs-varid'>ex</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>HPathIOException</span><span class='hs-layout'>)</span> <span class='hs-varop'>==</span> <span class='hs-varid'>toConstr</span> <span class='hs-conid'>DirDoesExist</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span>
|
||||
<a name="line-169"></a><a name="isInvalidOperation"></a><span class='hs-definition'>isInvalidOperation</span> <span class='hs-varid'>ex</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>toConstr</span> <span class='hs-layout'>(</span><span class='hs-varid'>ex</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>HPathIOException</span><span class='hs-layout'>)</span> <span class='hs-varop'>==</span> <span class='hs-varid'>toConstr</span> <span class='hs-conid'>InvalidOperation</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span>
|
||||
<a name="line-170"></a><a name="isCan'tOpenDirectory"></a><span class='hs-definition'>isCan'tOpenDirectory</span> <span class='hs-varid'>ex</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>toConstr</span> <span class='hs-layout'>(</span><span class='hs-varid'>ex</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>HPathIOException</span><span class='hs-layout'>)</span> <span class='hs-varop'>==</span> <span class='hs-varid'>toConstr</span> <span class='hs-conid'>Can'tOpenDirectory</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span>
|
||||
<a name="line-171"></a><a name="isCopyFailed"></a><span class='hs-definition'>isCopyFailed</span> <span class='hs-varid'>ex</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>toConstr</span> <span class='hs-layout'>(</span><span class='hs-varid'>ex</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>HPathIOException</span><span class='hs-layout'>)</span> <span class='hs-varop'>==</span> <span class='hs-varid'>toConstr</span> <span class='hs-conid'>CopyFailed</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span>
|
||||
<a name="line-172"></a><a name="isRecursiveFailure"></a><span class='hs-definition'>isRecursiveFailure</span> <span class='hs-varid'>ex</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>toConstr</span> <span class='hs-layout'>(</span><span class='hs-varid'>ex</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>HPathIOException</span><span class='hs-layout'>)</span> <span class='hs-varop'>==</span> <span class='hs-varid'>toConstr</span> <span class='hs-conid'>RecursiveFailure</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span>
|
||||
<a name="line-173"></a>
|
||||
<a name="line-158"></a>
|
||||
<a name="line-159"></a> <span class='hs-comment'>-----------------------------</span>
|
||||
<a name="line-160"></a> <span class='hs-comment'>--[ Exception identifiers ]--</span>
|
||||
<a name="line-161"></a> <span class='hs-comment'>-----------------------------</span>
|
||||
<a name="line-162"></a>
|
||||
<a name="line-163"></a><a name="isFileDoesNotExist"></a><span class='hs-definition'>isFileDoesNotExist</span><span class='hs-layout'>,</span> <span class='hs-varid'>isDirDoesNotExist</span><span class='hs-layout'>,</span> <span class='hs-varid'>isSameFile</span><span class='hs-layout'>,</span> <span class='hs-varid'>isDestinationInSource</span><span class='hs-layout'>,</span> <span class='hs-varid'>isFileDoesExist</span><span class='hs-layout'>,</span> <span class='hs-varid'>isDirDoesExist</span><span class='hs-layout'>,</span> <span class='hs-varid'>isInvalidOperation</span><span class='hs-layout'>,</span> <span class='hs-varid'>isCan'tOpenDirectory</span><span class='hs-layout'>,</span> <span class='hs-varid'>isCopyFailed</span><span class='hs-layout'>,</span> <span class='hs-varid'>isRecursiveFailure</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>HPathIOException</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span>
|
||||
<a name="line-164"></a><span class='hs-definition'>isFileDoesNotExist</span> <span class='hs-varid'>ex</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>toConstr</span> <span class='hs-layout'>(</span><span class='hs-varid'>ex</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>HPathIOException</span><span class='hs-layout'>)</span> <span class='hs-varop'>==</span> <span class='hs-varid'>toConstr</span> <span class='hs-conid'>FileDoesNotExist</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span>
|
||||
<a name="line-165"></a><a name="isDirDoesNotExist"></a><span class='hs-definition'>isDirDoesNotExist</span> <span class='hs-varid'>ex</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>toConstr</span> <span class='hs-layout'>(</span><span class='hs-varid'>ex</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>HPathIOException</span><span class='hs-layout'>)</span> <span class='hs-varop'>==</span> <span class='hs-varid'>toConstr</span> <span class='hs-conid'>DirDoesNotExist</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span>
|
||||
<a name="line-166"></a><a name="isSameFile"></a><span class='hs-definition'>isSameFile</span> <span class='hs-varid'>ex</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>toConstr</span> <span class='hs-layout'>(</span><span class='hs-varid'>ex</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>HPathIOException</span><span class='hs-layout'>)</span> <span class='hs-varop'>==</span> <span class='hs-varid'>toConstr</span> <span class='hs-conid'>SameFile</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span>
|
||||
<a name="line-167"></a><a name="isDestinationInSource"></a><span class='hs-definition'>isDestinationInSource</span> <span class='hs-varid'>ex</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>toConstr</span> <span class='hs-layout'>(</span><span class='hs-varid'>ex</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>HPathIOException</span><span class='hs-layout'>)</span> <span class='hs-varop'>==</span> <span class='hs-varid'>toConstr</span> <span class='hs-conid'>DestinationInSource</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span>
|
||||
<a name="line-168"></a><a name="isFileDoesExist"></a><span class='hs-definition'>isFileDoesExist</span> <span class='hs-varid'>ex</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>toConstr</span> <span class='hs-layout'>(</span><span class='hs-varid'>ex</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>HPathIOException</span><span class='hs-layout'>)</span> <span class='hs-varop'>==</span> <span class='hs-varid'>toConstr</span> <span class='hs-conid'>FileDoesExist</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span>
|
||||
<a name="line-169"></a><a name="isDirDoesExist"></a><span class='hs-definition'>isDirDoesExist</span> <span class='hs-varid'>ex</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>toConstr</span> <span class='hs-layout'>(</span><span class='hs-varid'>ex</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>HPathIOException</span><span class='hs-layout'>)</span> <span class='hs-varop'>==</span> <span class='hs-varid'>toConstr</span> <span class='hs-conid'>DirDoesExist</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span>
|
||||
<a name="line-170"></a><a name="isInvalidOperation"></a><span class='hs-definition'>isInvalidOperation</span> <span class='hs-varid'>ex</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>toConstr</span> <span class='hs-layout'>(</span><span class='hs-varid'>ex</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>HPathIOException</span><span class='hs-layout'>)</span> <span class='hs-varop'>==</span> <span class='hs-varid'>toConstr</span> <span class='hs-conid'>InvalidOperation</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span>
|
||||
<a name="line-171"></a><a name="isCan'tOpenDirectory"></a><span class='hs-definition'>isCan'tOpenDirectory</span> <span class='hs-varid'>ex</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>toConstr</span> <span class='hs-layout'>(</span><span class='hs-varid'>ex</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>HPathIOException</span><span class='hs-layout'>)</span> <span class='hs-varop'>==</span> <span class='hs-varid'>toConstr</span> <span class='hs-conid'>Can'tOpenDirectory</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span>
|
||||
<a name="line-172"></a><a name="isCopyFailed"></a><span class='hs-definition'>isCopyFailed</span> <span class='hs-varid'>ex</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>toConstr</span> <span class='hs-layout'>(</span><span class='hs-varid'>ex</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>HPathIOException</span><span class='hs-layout'>)</span> <span class='hs-varop'>==</span> <span class='hs-varid'>toConstr</span> <span class='hs-conid'>CopyFailed</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span>
|
||||
<a name="line-173"></a><a name="isRecursiveFailure"></a><span class='hs-definition'>isRecursiveFailure</span> <span class='hs-varid'>ex</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>toConstr</span> <span class='hs-layout'>(</span><span class='hs-varid'>ex</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>HPathIOException</span><span class='hs-layout'>)</span> <span class='hs-varop'>==</span> <span class='hs-varid'>toConstr</span> <span class='hs-conid'>RecursiveFailure</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span>
|
||||
<a name="line-174"></a>
|
||||
<a name="line-175"></a>
|
||||
<a name="line-176"></a> <span class='hs-comment'>----------------------------</span>
|
||||
<a name="line-177"></a> <span class='hs-comment'>--[ Path based functions ]--</span>
|
||||
<a name="line-178"></a> <span class='hs-comment'>----------------------------</span>
|
||||
<a name="line-179"></a>
|
||||
<a name="line-176"></a>
|
||||
<a name="line-177"></a> <span class='hs-comment'>----------------------------</span>
|
||||
<a name="line-178"></a> <span class='hs-comment'>--[ Path based functions ]--</span>
|
||||
<a name="line-179"></a> <span class='hs-comment'>----------------------------</span>
|
||||
<a name="line-180"></a>
|
||||
<a name="line-181"></a><a name="throwFileDoesExist"></a><span class='hs-definition'>throwFileDoesExist</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Path</span> <span class='hs-conid'>Abs</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
|
||||
<a name="line-182"></a><span class='hs-definition'>throwFileDoesExist</span> <span class='hs-varid'>fp</span> <span class='hs-keyglyph'>=</span>
|
||||
<a name="line-183"></a> <span class='hs-varid'>whenM</span> <span class='hs-layout'>(</span><span class='hs-varid'>doesFileExist</span> <span class='hs-varid'>fp</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>throwIO</span> <span class='hs-varop'>.</span> <span class='hs-conid'>FileDoesExist</span>
|
||||
<a name="line-184"></a> <span class='hs-varop'>.</span> <span class='hs-varid'>fromAbs</span> <span class='hs-varop'>$</span> <span class='hs-varid'>fp</span><span class='hs-layout'>)</span>
|
||||
<a name="line-185"></a>
|
||||
<a name="line-181"></a>
|
||||
<a name="line-182"></a><a name="throwFileDoesExist"></a><span class='hs-definition'>throwFileDoesExist</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Path</span> <span class='hs-conid'>Abs</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
|
||||
<a name="line-183"></a><span class='hs-definition'>throwFileDoesExist</span> <span class='hs-varid'>fp</span> <span class='hs-keyglyph'>=</span>
|
||||
<a name="line-184"></a> <span class='hs-varid'>whenM</span> <span class='hs-layout'>(</span><span class='hs-varid'>doesFileExist</span> <span class='hs-varid'>fp</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>throwIO</span> <span class='hs-varop'>.</span> <span class='hs-conid'>FileDoesExist</span>
|
||||
<a name="line-185"></a> <span class='hs-varop'>.</span> <span class='hs-varid'>fromAbs</span> <span class='hs-varop'>$</span> <span class='hs-varid'>fp</span><span class='hs-layout'>)</span>
|
||||
<a name="line-186"></a>
|
||||
<a name="line-187"></a><a name="throwDirDoesExist"></a><span class='hs-definition'>throwDirDoesExist</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Path</span> <span class='hs-conid'>Abs</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
|
||||
<a name="line-188"></a><span class='hs-definition'>throwDirDoesExist</span> <span class='hs-varid'>fp</span> <span class='hs-keyglyph'>=</span>
|
||||
<a name="line-189"></a> <span class='hs-varid'>whenM</span> <span class='hs-layout'>(</span><span class='hs-varid'>doesDirectoryExist</span> <span class='hs-varid'>fp</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>throwIO</span> <span class='hs-varop'>.</span> <span class='hs-conid'>DirDoesExist</span>
|
||||
<a name="line-190"></a> <span class='hs-varop'>.</span> <span class='hs-varid'>fromAbs</span> <span class='hs-varop'>$</span> <span class='hs-varid'>fp</span><span class='hs-layout'>)</span>
|
||||
<a name="line-191"></a>
|
||||
<a name="line-187"></a>
|
||||
<a name="line-188"></a><a name="throwDirDoesExist"></a><span class='hs-definition'>throwDirDoesExist</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Path</span> <span class='hs-conid'>Abs</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
|
||||
<a name="line-189"></a><span class='hs-definition'>throwDirDoesExist</span> <span class='hs-varid'>fp</span> <span class='hs-keyglyph'>=</span>
|
||||
<a name="line-190"></a> <span class='hs-varid'>whenM</span> <span class='hs-layout'>(</span><span class='hs-varid'>doesDirectoryExist</span> <span class='hs-varid'>fp</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>throwIO</span> <span class='hs-varop'>.</span> <span class='hs-conid'>DirDoesExist</span>
|
||||
<a name="line-191"></a> <span class='hs-varop'>.</span> <span class='hs-varid'>fromAbs</span> <span class='hs-varop'>$</span> <span class='hs-varid'>fp</span><span class='hs-layout'>)</span>
|
||||
<a name="line-192"></a>
|
||||
<a name="line-193"></a><a name="throwFileDoesNotExist"></a><span class='hs-definition'>throwFileDoesNotExist</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Path</span> <span class='hs-conid'>Abs</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
|
||||
<a name="line-194"></a><span class='hs-definition'>throwFileDoesNotExist</span> <span class='hs-varid'>fp</span> <span class='hs-keyglyph'>=</span>
|
||||
<a name="line-195"></a> <span class='hs-varid'>unlessM</span> <span class='hs-layout'>(</span><span class='hs-varid'>doesFileExist</span> <span class='hs-varid'>fp</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>throwIO</span> <span class='hs-varop'>.</span> <span class='hs-conid'>FileDoesNotExist</span>
|
||||
<a name="line-196"></a> <span class='hs-varop'>.</span> <span class='hs-varid'>fromAbs</span> <span class='hs-varop'>$</span> <span class='hs-varid'>fp</span><span class='hs-layout'>)</span>
|
||||
<a name="line-197"></a>
|
||||
<a name="line-193"></a>
|
||||
<a name="line-194"></a><a name="throwFileDoesNotExist"></a><span class='hs-definition'>throwFileDoesNotExist</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Path</span> <span class='hs-conid'>Abs</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
|
||||
<a name="line-195"></a><span class='hs-definition'>throwFileDoesNotExist</span> <span class='hs-varid'>fp</span> <span class='hs-keyglyph'>=</span>
|
||||
<a name="line-196"></a> <span class='hs-varid'>unlessM</span> <span class='hs-layout'>(</span><span class='hs-varid'>doesFileExist</span> <span class='hs-varid'>fp</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>throwIO</span> <span class='hs-varop'>.</span> <span class='hs-conid'>FileDoesNotExist</span>
|
||||
<a name="line-197"></a> <span class='hs-varop'>.</span> <span class='hs-varid'>fromAbs</span> <span class='hs-varop'>$</span> <span class='hs-varid'>fp</span><span class='hs-layout'>)</span>
|
||||
<a name="line-198"></a>
|
||||
<a name="line-199"></a><a name="throwDirDoesNotExist"></a><span class='hs-definition'>throwDirDoesNotExist</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Path</span> <span class='hs-conid'>Abs</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
|
||||
<a name="line-200"></a><span class='hs-definition'>throwDirDoesNotExist</span> <span class='hs-varid'>fp</span> <span class='hs-keyglyph'>=</span>
|
||||
<a name="line-201"></a> <span class='hs-varid'>unlessM</span> <span class='hs-layout'>(</span><span class='hs-varid'>doesDirectoryExist</span> <span class='hs-varid'>fp</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>throwIO</span> <span class='hs-varop'>.</span> <span class='hs-conid'>DirDoesNotExist</span>
|
||||
<a name="line-202"></a> <span class='hs-varop'>.</span> <span class='hs-varid'>fromAbs</span> <span class='hs-varop'>$</span> <span class='hs-varid'>fp</span><span class='hs-layout'>)</span>
|
||||
<a name="line-203"></a>
|
||||
<a name="line-199"></a>
|
||||
<a name="line-200"></a><a name="throwDirDoesNotExist"></a><span class='hs-definition'>throwDirDoesNotExist</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Path</span> <span class='hs-conid'>Abs</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
|
||||
<a name="line-201"></a><span class='hs-definition'>throwDirDoesNotExist</span> <span class='hs-varid'>fp</span> <span class='hs-keyglyph'>=</span>
|
||||
<a name="line-202"></a> <span class='hs-varid'>unlessM</span> <span class='hs-layout'>(</span><span class='hs-varid'>doesDirectoryExist</span> <span class='hs-varid'>fp</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>throwIO</span> <span class='hs-varop'>.</span> <span class='hs-conid'>DirDoesNotExist</span>
|
||||
<a name="line-203"></a> <span class='hs-varop'>.</span> <span class='hs-varid'>fromAbs</span> <span class='hs-varop'>$</span> <span class='hs-varid'>fp</span><span class='hs-layout'>)</span>
|
||||
<a name="line-204"></a>
|
||||
<a name="line-205"></a><a name="throwSameFile"></a><span class='hs-comment'>-- |Uses `isSameFile` and throws `SameFile` if it returns True.</span>
|
||||
<a name="line-206"></a><span class='hs-definition'>throwSameFile</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Path</span> <span class='hs-conid'>Abs</span>
|
||||
<a name="line-207"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Path</span> <span class='hs-conid'>Abs</span>
|
||||
<a name="line-208"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
|
||||
<a name="line-209"></a><span class='hs-definition'>throwSameFile</span> <span class='hs-varid'>fp1</span> <span class='hs-varid'>fp2</span> <span class='hs-keyglyph'>=</span>
|
||||
<a name="line-210"></a> <span class='hs-varid'>whenM</span> <span class='hs-layout'>(</span><span class='hs-varid'>sameFile</span> <span class='hs-varid'>fp1</span> <span class='hs-varid'>fp2</span><span class='hs-layout'>)</span>
|
||||
<a name="line-211"></a> <span class='hs-layout'>(</span><span class='hs-varid'>throwIO</span> <span class='hs-varop'>$</span> <span class='hs-conid'>SameFile</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromAbs</span> <span class='hs-varid'>fp1</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromAbs</span> <span class='hs-varid'>fp2</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
|
||||
<a name="line-212"></a>
|
||||
<a name="line-205"></a>
|
||||
<a name="line-206"></a><a name="throwSameFile"></a><span class='hs-comment'>-- |Uses `isSameFile` and throws `SameFile` if it returns True.</span>
|
||||
<a name="line-207"></a><span class='hs-definition'>throwSameFile</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Path</span> <span class='hs-conid'>Abs</span>
|
||||
<a name="line-208"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Path</span> <span class='hs-conid'>Abs</span>
|
||||
<a name="line-209"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
|
||||
<a name="line-210"></a><span class='hs-definition'>throwSameFile</span> <span class='hs-varid'>fp1</span> <span class='hs-varid'>fp2</span> <span class='hs-keyglyph'>=</span>
|
||||
<a name="line-211"></a> <span class='hs-varid'>whenM</span> <span class='hs-layout'>(</span><span class='hs-varid'>sameFile</span> <span class='hs-varid'>fp1</span> <span class='hs-varid'>fp2</span><span class='hs-layout'>)</span>
|
||||
<a name="line-212"></a> <span class='hs-layout'>(</span><span class='hs-varid'>throwIO</span> <span class='hs-varop'>$</span> <span class='hs-conid'>SameFile</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromAbs</span> <span class='hs-varid'>fp1</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromAbs</span> <span class='hs-varid'>fp2</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
|
||||
<a name="line-213"></a>
|
||||
<a name="line-214"></a><a name="sameFile"></a><span class='hs-comment'>-- |Check if the files are the same by examining device and file id.</span>
|
||||
<a name="line-215"></a><span class='hs-comment'>-- This follows symbolic links.</span>
|
||||
<a name="line-216"></a><span class='hs-definition'>sameFile</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Path</span> <span class='hs-conid'>Abs</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Path</span> <span class='hs-conid'>Abs</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>Bool</span>
|
||||
<a name="line-217"></a><span class='hs-definition'>sameFile</span> <span class='hs-varid'>fp1</span> <span class='hs-varid'>fp2</span> <span class='hs-keyglyph'>=</span>
|
||||
<a name="line-218"></a> <span class='hs-varid'>withAbsPath</span> <span class='hs-varid'>fp1</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>fp1'</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>withAbsPath</span> <span class='hs-varid'>fp2</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>fp2'</span> <span class='hs-keyglyph'>-></span>
|
||||
<a name="line-219"></a> <span class='hs-varid'>handleIOError</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>False</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-220"></a> <span class='hs-varid'>fs1</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getFileStatus</span> <span class='hs-varid'>fp1'</span>
|
||||
<a name="line-221"></a> <span class='hs-varid'>fs2</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getFileStatus</span> <span class='hs-varid'>fp2'</span>
|
||||
<a name="line-222"></a>
|
||||
<a name="line-223"></a> <span class='hs-keyword'>if</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-conid'>PF</span><span class='hs-varop'>.</span><span class='hs-varid'>deviceID</span> <span class='hs-varid'>fs1</span><span class='hs-layout'>,</span> <span class='hs-conid'>PF</span><span class='hs-varop'>.</span><span class='hs-varid'>fileID</span> <span class='hs-varid'>fs1</span><span class='hs-layout'>)</span> <span class='hs-varop'>==</span>
|
||||
<a name="line-224"></a> <span class='hs-layout'>(</span><span class='hs-conid'>PF</span><span class='hs-varop'>.</span><span class='hs-varid'>deviceID</span> <span class='hs-varid'>fs2</span><span class='hs-layout'>,</span> <span class='hs-conid'>PF</span><span class='hs-varop'>.</span><span class='hs-varid'>fileID</span> <span class='hs-varid'>fs2</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
|
||||
<a name="line-225"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>return</span> <span class='hs-conid'>True</span>
|
||||
<a name="line-226"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>return</span> <span class='hs-conid'>False</span>
|
||||
<a name="line-227"></a>
|
||||
<a name="line-214"></a>
|
||||
<a name="line-215"></a><a name="sameFile"></a><span class='hs-comment'>-- |Check if the files are the same by examining device and file id.</span>
|
||||
<a name="line-216"></a><span class='hs-comment'>-- This follows symbolic links.</span>
|
||||
<a name="line-217"></a><span class='hs-definition'>sameFile</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Path</span> <span class='hs-conid'>Abs</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Path</span> <span class='hs-conid'>Abs</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>Bool</span>
|
||||
<a name="line-218"></a><span class='hs-definition'>sameFile</span> <span class='hs-varid'>fp1</span> <span class='hs-varid'>fp2</span> <span class='hs-keyglyph'>=</span>
|
||||
<a name="line-219"></a> <span class='hs-varid'>withAbsPath</span> <span class='hs-varid'>fp1</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>fp1'</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>withAbsPath</span> <span class='hs-varid'>fp2</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>fp2'</span> <span class='hs-keyglyph'>-></span>
|
||||
<a name="line-220"></a> <span class='hs-varid'>handleIOError</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>False</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-221"></a> <span class='hs-varid'>fs1</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getFileStatus</span> <span class='hs-varid'>fp1'</span>
|
||||
<a name="line-222"></a> <span class='hs-varid'>fs2</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getFileStatus</span> <span class='hs-varid'>fp2'</span>
|
||||
<a name="line-223"></a>
|
||||
<a name="line-224"></a> <span class='hs-keyword'>if</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-conid'>PF</span><span class='hs-varop'>.</span><span class='hs-varid'>deviceID</span> <span class='hs-varid'>fs1</span><span class='hs-layout'>,</span> <span class='hs-conid'>PF</span><span class='hs-varop'>.</span><span class='hs-varid'>fileID</span> <span class='hs-varid'>fs1</span><span class='hs-layout'>)</span> <span class='hs-varop'>==</span>
|
||||
<a name="line-225"></a> <span class='hs-layout'>(</span><span class='hs-conid'>PF</span><span class='hs-varop'>.</span><span class='hs-varid'>deviceID</span> <span class='hs-varid'>fs2</span><span class='hs-layout'>,</span> <span class='hs-conid'>PF</span><span class='hs-varop'>.</span><span class='hs-varid'>fileID</span> <span class='hs-varid'>fs2</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
|
||||
<a name="line-226"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>return</span> <span class='hs-conid'>True</span>
|
||||
<a name="line-227"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>return</span> <span class='hs-conid'>False</span>
|
||||
<a name="line-228"></a>
|
||||
<a name="line-229"></a><a name="throwDestinationInSource"></a><span class='hs-comment'>-- TODO: make this more robust when destination does not exist</span>
|
||||
<a name="line-230"></a><span class='hs-comment'>-- |Checks whether the destination directory is contained</span>
|
||||
<a name="line-231"></a><span class='hs-comment'>-- within the source directory by comparing the device+file ID of the</span>
|
||||
<a name="line-232"></a><span class='hs-comment'>-- source directory with all device+file IDs of the parent directories</span>
|
||||
<a name="line-233"></a><span class='hs-comment'>-- of the destination.</span>
|
||||
<a name="line-234"></a><span class='hs-definition'>throwDestinationInSource</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Path</span> <span class='hs-conid'>Abs</span> <span class='hs-comment'>-- ^ source dir</span>
|
||||
<a name="line-235"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Path</span> <span class='hs-conid'>Abs</span> <span class='hs-comment'>-- ^ full destination, @dirname dest@</span>
|
||||
<a name="line-236"></a> <span class='hs-comment'>-- must exist</span>
|
||||
<a name="line-237"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
|
||||
<a name="line-238"></a><span class='hs-definition'>throwDestinationInSource</span> <span class='hs-varid'>source</span> <span class='hs-varid'>dest</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-239"></a> <span class='hs-varid'>dest'</span> <span class='hs-keyglyph'><-</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>x</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>maybe</span> <span class='hs-varid'>x</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>y</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>x</span> <span class='hs-varop'></></span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>basename</span> <span class='hs-varid'>dest</span><span class='hs-layout'>)</span>
|
||||
<a name="line-240"></a> <span class='hs-varop'><$></span> <span class='hs-layout'>(</span><span class='hs-varid'>canonicalizePath</span> <span class='hs-varop'>$</span> <span class='hs-varid'>dirname</span> <span class='hs-varid'>dest</span><span class='hs-layout'>)</span>
|
||||
<a name="line-241"></a> <span class='hs-varid'>dids</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>forM</span> <span class='hs-layout'>(</span><span class='hs-varid'>getAllParents</span> <span class='hs-varid'>dest'</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>p</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-242"></a> <span class='hs-varid'>fs</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>PF</span><span class='hs-varop'>.</span><span class='hs-varid'>getSymbolicLinkStatus</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromAbs</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span>
|
||||
<a name="line-243"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-conid'>PF</span><span class='hs-varop'>.</span><span class='hs-varid'>deviceID</span> <span class='hs-varid'>fs</span><span class='hs-layout'>,</span> <span class='hs-conid'>PF</span><span class='hs-varop'>.</span><span class='hs-varid'>fileID</span> <span class='hs-varid'>fs</span><span class='hs-layout'>)</span>
|
||||
<a name="line-244"></a> <span class='hs-varid'>sid</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>fmap</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>x</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>PF</span><span class='hs-varop'>.</span><span class='hs-varid'>deviceID</span> <span class='hs-varid'>x</span><span class='hs-layout'>,</span> <span class='hs-conid'>PF</span><span class='hs-varop'>.</span><span class='hs-varid'>fileID</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
|
||||
<a name="line-245"></a> <span class='hs-varop'>$</span> <span class='hs-conid'>PF</span><span class='hs-varop'>.</span><span class='hs-varid'>getFileStatus</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromAbs</span> <span class='hs-varid'>source</span><span class='hs-layout'>)</span>
|
||||
<a name="line-246"></a> <span class='hs-varid'>when</span> <span class='hs-layout'>(</span><span class='hs-varid'>elem</span> <span class='hs-varid'>sid</span> <span class='hs-varid'>dids</span><span class='hs-layout'>)</span>
|
||||
<a name="line-247"></a> <span class='hs-layout'>(</span><span class='hs-varid'>throwIO</span> <span class='hs-varop'>$</span> <span class='hs-conid'>DestinationInSource</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromAbs</span> <span class='hs-varid'>dest</span><span class='hs-layout'>)</span>
|
||||
<a name="line-248"></a> <span class='hs-layout'>(</span><span class='hs-varid'>fromAbs</span> <span class='hs-varid'>source</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
|
||||
<a name="line-249"></a>
|
||||
<a name="line-229"></a>
|
||||
<a name="line-230"></a><a name="throwDestinationInSource"></a><span class='hs-comment'>-- TODO: make this more robust when destination does not exist</span>
|
||||
<a name="line-231"></a><span class='hs-comment'>-- |Checks whether the destination directory is contained</span>
|
||||
<a name="line-232"></a><span class='hs-comment'>-- within the source directory by comparing the device+file ID of the</span>
|
||||
<a name="line-233"></a><span class='hs-comment'>-- source directory with all device+file IDs of the parent directories</span>
|
||||
<a name="line-234"></a><span class='hs-comment'>-- of the destination.</span>
|
||||
<a name="line-235"></a><span class='hs-definition'>throwDestinationInSource</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Path</span> <span class='hs-conid'>Abs</span> <span class='hs-comment'>-- ^ source dir</span>
|
||||
<a name="line-236"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Path</span> <span class='hs-conid'>Abs</span> <span class='hs-comment'>-- ^ full destination, @dirname dest@</span>
|
||||
<a name="line-237"></a> <span class='hs-comment'>-- must exist</span>
|
||||
<a name="line-238"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
|
||||
<a name="line-239"></a><span class='hs-definition'>throwDestinationInSource</span> <span class='hs-varid'>source</span> <span class='hs-varid'>dest</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-240"></a> <span class='hs-varid'>dest'</span> <span class='hs-keyglyph'><-</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>x</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>maybe</span> <span class='hs-varid'>x</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>y</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>x</span> <span class='hs-varop'></></span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>basename</span> <span class='hs-varid'>dest</span><span class='hs-layout'>)</span>
|
||||
<a name="line-241"></a> <span class='hs-varop'><$></span> <span class='hs-layout'>(</span><span class='hs-varid'>canonicalizePath</span> <span class='hs-varop'>$</span> <span class='hs-varid'>dirname</span> <span class='hs-varid'>dest</span><span class='hs-layout'>)</span>
|
||||
<a name="line-242"></a> <span class='hs-varid'>dids</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>forM</span> <span class='hs-layout'>(</span><span class='hs-varid'>getAllParents</span> <span class='hs-varid'>dest'</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>p</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-243"></a> <span class='hs-varid'>fs</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>PF</span><span class='hs-varop'>.</span><span class='hs-varid'>getSymbolicLinkStatus</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromAbs</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span>
|
||||
<a name="line-244"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-conid'>PF</span><span class='hs-varop'>.</span><span class='hs-varid'>deviceID</span> <span class='hs-varid'>fs</span><span class='hs-layout'>,</span> <span class='hs-conid'>PF</span><span class='hs-varop'>.</span><span class='hs-varid'>fileID</span> <span class='hs-varid'>fs</span><span class='hs-layout'>)</span>
|
||||
<a name="line-245"></a> <span class='hs-varid'>sid</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>fmap</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>x</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>PF</span><span class='hs-varop'>.</span><span class='hs-varid'>deviceID</span> <span class='hs-varid'>x</span><span class='hs-layout'>,</span> <span class='hs-conid'>PF</span><span class='hs-varop'>.</span><span class='hs-varid'>fileID</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
|
||||
<a name="line-246"></a> <span class='hs-varop'>$</span> <span class='hs-conid'>PF</span><span class='hs-varop'>.</span><span class='hs-varid'>getFileStatus</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromAbs</span> <span class='hs-varid'>source</span><span class='hs-layout'>)</span>
|
||||
<a name="line-247"></a> <span class='hs-varid'>when</span> <span class='hs-layout'>(</span><span class='hs-varid'>elem</span> <span class='hs-varid'>sid</span> <span class='hs-varid'>dids</span><span class='hs-layout'>)</span>
|
||||
<a name="line-248"></a> <span class='hs-layout'>(</span><span class='hs-varid'>throwIO</span> <span class='hs-varop'>$</span> <span class='hs-conid'>DestinationInSource</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromAbs</span> <span class='hs-varid'>dest</span><span class='hs-layout'>)</span>
|
||||
<a name="line-249"></a> <span class='hs-layout'>(</span><span class='hs-varid'>fromAbs</span> <span class='hs-varid'>source</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
|
||||
<a name="line-250"></a>
|
||||
<a name="line-251"></a><a name="doesFileExist"></a><span class='hs-comment'>-- |Checks if the given file exists and is not a directory.</span>
|
||||
<a name="line-252"></a><span class='hs-comment'>-- Does not follow symlinks.</span>
|
||||
<a name="line-253"></a><span class='hs-definition'>doesFileExist</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Path</span> <span class='hs-conid'>Abs</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>Bool</span>
|
||||
<a name="line-254"></a><span class='hs-definition'>doesFileExist</span> <span class='hs-varid'>fp</span> <span class='hs-keyglyph'>=</span>
|
||||
<a name="line-255"></a> <span class='hs-varid'>handleIOError</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>False</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-256"></a> <span class='hs-varid'>fs</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>PF</span><span class='hs-varop'>.</span><span class='hs-varid'>getSymbolicLinkStatus</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromAbs</span> <span class='hs-varid'>fp</span><span class='hs-layout'>)</span>
|
||||
<a name="line-257"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>not</span> <span class='hs-varop'>.</span> <span class='hs-conid'>PF</span><span class='hs-varop'>.</span><span class='hs-varid'>isDirectory</span> <span class='hs-varop'>$</span> <span class='hs-varid'>fs</span>
|
||||
<a name="line-258"></a>
|
||||
<a name="line-251"></a>
|
||||
<a name="line-252"></a><a name="doesFileExist"></a><span class='hs-comment'>-- |Checks if the given file exists and is not a directory.</span>
|
||||
<a name="line-253"></a><span class='hs-comment'>-- Does not follow symlinks.</span>
|
||||
<a name="line-254"></a><span class='hs-definition'>doesFileExist</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Path</span> <span class='hs-conid'>Abs</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>Bool</span>
|
||||
<a name="line-255"></a><span class='hs-definition'>doesFileExist</span> <span class='hs-varid'>fp</span> <span class='hs-keyglyph'>=</span>
|
||||
<a name="line-256"></a> <span class='hs-varid'>handleIOError</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>False</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-257"></a> <span class='hs-varid'>fs</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>PF</span><span class='hs-varop'>.</span><span class='hs-varid'>getSymbolicLinkStatus</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromAbs</span> <span class='hs-varid'>fp</span><span class='hs-layout'>)</span>
|
||||
<a name="line-258"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>not</span> <span class='hs-varop'>.</span> <span class='hs-conid'>PF</span><span class='hs-varop'>.</span><span class='hs-varid'>isDirectory</span> <span class='hs-varop'>$</span> <span class='hs-varid'>fs</span>
|
||||
<a name="line-259"></a>
|
||||
<a name="line-260"></a><a name="doesDirectoryExist"></a><span class='hs-comment'>-- |Checks if the given file exists and is a directory.</span>
|
||||
<a name="line-261"></a><span class='hs-comment'>-- Does not follow symlinks.</span>
|
||||
<a name="line-262"></a><span class='hs-definition'>doesDirectoryExist</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Path</span> <span class='hs-conid'>Abs</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>Bool</span>
|
||||
<a name="line-263"></a><span class='hs-definition'>doesDirectoryExist</span> <span class='hs-varid'>fp</span> <span class='hs-keyglyph'>=</span>
|
||||
<a name="line-264"></a> <span class='hs-varid'>handleIOError</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>False</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-265"></a> <span class='hs-varid'>fs</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>PF</span><span class='hs-varop'>.</span><span class='hs-varid'>getSymbolicLinkStatus</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromAbs</span> <span class='hs-varid'>fp</span><span class='hs-layout'>)</span>
|
||||
<a name="line-266"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>PF</span><span class='hs-varop'>.</span><span class='hs-varid'>isDirectory</span> <span class='hs-varid'>fs</span>
|
||||
<a name="line-267"></a>
|
||||
<a name="line-260"></a>
|
||||
<a name="line-261"></a><a name="doesDirectoryExist"></a><span class='hs-comment'>-- |Checks if the given file exists and is a directory.</span>
|
||||
<a name="line-262"></a><span class='hs-comment'>-- Does not follow symlinks.</span>
|
||||
<a name="line-263"></a><span class='hs-definition'>doesDirectoryExist</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Path</span> <span class='hs-conid'>Abs</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>Bool</span>
|
||||
<a name="line-264"></a><span class='hs-definition'>doesDirectoryExist</span> <span class='hs-varid'>fp</span> <span class='hs-keyglyph'>=</span>
|
||||
<a name="line-265"></a> <span class='hs-varid'>handleIOError</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>False</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-266"></a> <span class='hs-varid'>fs</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>PF</span><span class='hs-varop'>.</span><span class='hs-varid'>getSymbolicLinkStatus</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromAbs</span> <span class='hs-varid'>fp</span><span class='hs-layout'>)</span>
|
||||
<a name="line-267"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>PF</span><span class='hs-varop'>.</span><span class='hs-varid'>isDirectory</span> <span class='hs-varid'>fs</span>
|
||||
<a name="line-268"></a>
|
||||
<a name="line-269"></a><a name="isWritable"></a><span class='hs-comment'>-- |Checks whether a file or folder is writable.</span>
|
||||
<a name="line-270"></a><span class='hs-definition'>isWritable</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Path</span> <span class='hs-conid'>Abs</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>Bool</span>
|
||||
<a name="line-271"></a><span class='hs-definition'>isWritable</span> <span class='hs-varid'>fp</span> <span class='hs-keyglyph'>=</span>
|
||||
<a name="line-272"></a> <span class='hs-varid'>handleIOError</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>False</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
|
||||
<a name="line-273"></a> <span class='hs-varid'>fileAccess</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromAbs</span> <span class='hs-varid'>fp</span><span class='hs-layout'>)</span> <span class='hs-conid'>False</span> <span class='hs-conid'>True</span> <span class='hs-conid'>False</span>
|
||||
<a name="line-274"></a>
|
||||
<a name="line-269"></a>
|
||||
<a name="line-270"></a><a name="isWritable"></a><span class='hs-comment'>-- |Checks whether a file or folder is writable.</span>
|
||||
<a name="line-271"></a><span class='hs-definition'>isWritable</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Path</span> <span class='hs-conid'>Abs</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>Bool</span>
|
||||
<a name="line-272"></a><span class='hs-definition'>isWritable</span> <span class='hs-varid'>fp</span> <span class='hs-keyglyph'>=</span>
|
||||
<a name="line-273"></a> <span class='hs-varid'>handleIOError</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>False</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
|
||||
<a name="line-274"></a> <span class='hs-varid'>fileAccess</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromAbs</span> <span class='hs-varid'>fp</span><span class='hs-layout'>)</span> <span class='hs-conid'>False</span> <span class='hs-conid'>True</span> <span class='hs-conid'>False</span>
|
||||
<a name="line-275"></a>
|
||||
<a name="line-276"></a><a name="canOpenDirectory"></a><span class='hs-comment'>-- |Checks whether the directory at the given path exists and can be</span>
|
||||
<a name="line-277"></a><span class='hs-comment'>-- opened. This invokes `openDirStream` which follows symlinks.</span>
|
||||
<a name="line-278"></a><span class='hs-definition'>canOpenDirectory</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Path</span> <span class='hs-conid'>Abs</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>Bool</span>
|
||||
<a name="line-279"></a><span class='hs-definition'>canOpenDirectory</span> <span class='hs-varid'>fp</span> <span class='hs-keyglyph'>=</span>
|
||||
<a name="line-280"></a> <span class='hs-varid'>handleIOError</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>False</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-281"></a> <span class='hs-varid'>bracket</span> <span class='hs-layout'>(</span><span class='hs-conid'>PFD</span><span class='hs-varop'>.</span><span class='hs-varid'>openDirStream</span> <span class='hs-varop'>.</span> <span class='hs-varid'>fromAbs</span> <span class='hs-varop'>$</span> <span class='hs-varid'>fp</span><span class='hs-layout'>)</span>
|
||||
<a name="line-282"></a> <span class='hs-conid'>PFD</span><span class='hs-varop'>.</span><span class='hs-varid'>closeDirStream</span>
|
||||
<a name="line-283"></a> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span>
|
||||
<a name="line-284"></a> <span class='hs-varid'>return</span> <span class='hs-conid'>True</span>
|
||||
<a name="line-285"></a>
|
||||
<a name="line-276"></a>
|
||||
<a name="line-277"></a><a name="canOpenDirectory"></a><span class='hs-comment'>-- |Checks whether the directory at the given path exists and can be</span>
|
||||
<a name="line-278"></a><span class='hs-comment'>-- opened. This invokes `openDirStream` which follows symlinks.</span>
|
||||
<a name="line-279"></a><span class='hs-definition'>canOpenDirectory</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Path</span> <span class='hs-conid'>Abs</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>Bool</span>
|
||||
<a name="line-280"></a><span class='hs-definition'>canOpenDirectory</span> <span class='hs-varid'>fp</span> <span class='hs-keyglyph'>=</span>
|
||||
<a name="line-281"></a> <span class='hs-varid'>handleIOError</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>False</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-282"></a> <span class='hs-varid'>bracket</span> <span class='hs-layout'>(</span><span class='hs-conid'>PFD</span><span class='hs-varop'>.</span><span class='hs-varid'>openDirStream</span> <span class='hs-varop'>.</span> <span class='hs-varid'>fromAbs</span> <span class='hs-varop'>$</span> <span class='hs-varid'>fp</span><span class='hs-layout'>)</span>
|
||||
<a name="line-283"></a> <span class='hs-conid'>PFD</span><span class='hs-varop'>.</span><span class='hs-varid'>closeDirStream</span>
|
||||
<a name="line-284"></a> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span>
|
||||
<a name="line-285"></a> <span class='hs-varid'>return</span> <span class='hs-conid'>True</span>
|
||||
<a name="line-286"></a>
|
||||
<a name="line-287"></a><a name="throwCantOpenDirectory"></a><span class='hs-comment'>-- |Throws a `Can'tOpenDirectory` HPathIOException if the directory at the given</span>
|
||||
<a name="line-288"></a><span class='hs-comment'>-- path cannot be opened.</span>
|
||||
<a name="line-289"></a><span class='hs-definition'>throwCantOpenDirectory</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Path</span> <span class='hs-conid'>Abs</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
|
||||
<a name="line-290"></a><span class='hs-definition'>throwCantOpenDirectory</span> <span class='hs-varid'>fp</span> <span class='hs-keyglyph'>=</span>
|
||||
<a name="line-291"></a> <span class='hs-varid'>unlessM</span> <span class='hs-layout'>(</span><span class='hs-varid'>canOpenDirectory</span> <span class='hs-varid'>fp</span><span class='hs-layout'>)</span>
|
||||
<a name="line-292"></a> <span class='hs-layout'>(</span><span class='hs-varid'>throwIO</span> <span class='hs-varop'>.</span> <span class='hs-conid'>Can'tOpenDirectory</span> <span class='hs-varop'>.</span> <span class='hs-varid'>fromAbs</span> <span class='hs-varop'>$</span> <span class='hs-varid'>fp</span><span class='hs-layout'>)</span>
|
||||
<a name="line-293"></a>
|
||||
<a name="line-287"></a>
|
||||
<a name="line-288"></a><a name="throwCantOpenDirectory"></a><span class='hs-comment'>-- |Throws a `Can'tOpenDirectory` HPathIOException if the directory at the given</span>
|
||||
<a name="line-289"></a><span class='hs-comment'>-- path cannot be opened.</span>
|
||||
<a name="line-290"></a><span class='hs-definition'>throwCantOpenDirectory</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Path</span> <span class='hs-conid'>Abs</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
|
||||
<a name="line-291"></a><span class='hs-definition'>throwCantOpenDirectory</span> <span class='hs-varid'>fp</span> <span class='hs-keyglyph'>=</span>
|
||||
<a name="line-292"></a> <span class='hs-varid'>unlessM</span> <span class='hs-layout'>(</span><span class='hs-varid'>canOpenDirectory</span> <span class='hs-varid'>fp</span><span class='hs-layout'>)</span>
|
||||
<a name="line-293"></a> <span class='hs-layout'>(</span><span class='hs-varid'>throwIO</span> <span class='hs-varop'>.</span> <span class='hs-conid'>Can'tOpenDirectory</span> <span class='hs-varop'>.</span> <span class='hs-varid'>fromAbs</span> <span class='hs-varop'>$</span> <span class='hs-varid'>fp</span><span class='hs-layout'>)</span>
|
||||
<a name="line-294"></a>
|
||||
<a name="line-295"></a>
|
||||
<a name="line-296"></a> <span class='hs-comment'>--------------------------------</span>
|
||||
<a name="line-297"></a> <span class='hs-comment'>--[ Error handling functions ]--</span>
|
||||
<a name="line-298"></a> <span class='hs-comment'>--------------------------------</span>
|
||||
<a name="line-299"></a>
|
||||
<a name="line-296"></a>
|
||||
<a name="line-297"></a> <span class='hs-comment'>--------------------------------</span>
|
||||
<a name="line-298"></a> <span class='hs-comment'>--[ Error handling functions ]--</span>
|
||||
<a name="line-299"></a> <span class='hs-comment'>--------------------------------</span>
|
||||
<a name="line-300"></a>
|
||||
<a name="line-301"></a><a name="catchErrno"></a><span class='hs-comment'>-- |Carries out an action, then checks if there is an IOException and</span>
|
||||
<a name="line-302"></a><span class='hs-comment'>-- a specific errno. If so, then it carries out another action, otherwise</span>
|
||||
<a name="line-303"></a><span class='hs-comment'>-- it rethrows the error.</span>
|
||||
<a name="line-304"></a><span class='hs-definition'>catchErrno</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Errno</span><span class='hs-keyglyph'>]</span> <span class='hs-comment'>-- ^ errno to catch</span>
|
||||
<a name="line-305"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span> <span class='hs-comment'>-- ^ action to try, which can raise an IOException</span>
|
||||
<a name="line-306"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span> <span class='hs-comment'>-- ^ action to carry out in case of an IOException and</span>
|
||||
<a name="line-307"></a> <span class='hs-comment'>-- if errno matches</span>
|
||||
<a name="line-308"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span>
|
||||
<a name="line-309"></a><span class='hs-definition'>catchErrno</span> <span class='hs-varid'>en</span> <span class='hs-varid'>a1</span> <span class='hs-varid'>a2</span> <span class='hs-keyglyph'>=</span>
|
||||
<a name="line-310"></a> <span class='hs-varid'>catchIOError</span> <span class='hs-varid'>a1</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>e</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-311"></a> <span class='hs-varid'>errno</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getErrno</span>
|
||||
<a name="line-312"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>errno</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>en</span>
|
||||
<a name="line-313"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>a2</span>
|
||||
<a name="line-314"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>ioError</span> <span class='hs-varid'>e</span>
|
||||
<a name="line-315"></a>
|
||||
<a name="line-301"></a>
|
||||
<a name="line-302"></a><a name="catchErrno"></a><span class='hs-comment'>-- |Carries out an action, then checks if there is an IOException and</span>
|
||||
<a name="line-303"></a><span class='hs-comment'>-- a specific errno. If so, then it carries out another action, otherwise</span>
|
||||
<a name="line-304"></a><span class='hs-comment'>-- it rethrows the error.</span>
|
||||
<a name="line-305"></a><span class='hs-definition'>catchErrno</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Errno</span><span class='hs-keyglyph'>]</span> <span class='hs-comment'>-- ^ errno to catch</span>
|
||||
<a name="line-306"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span> <span class='hs-comment'>-- ^ action to try, which can raise an IOException</span>
|
||||
<a name="line-307"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span> <span class='hs-comment'>-- ^ action to carry out in case of an IOException and</span>
|
||||
<a name="line-308"></a> <span class='hs-comment'>-- if errno matches</span>
|
||||
<a name="line-309"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span>
|
||||
<a name="line-310"></a><span class='hs-definition'>catchErrno</span> <span class='hs-varid'>en</span> <span class='hs-varid'>a1</span> <span class='hs-varid'>a2</span> <span class='hs-keyglyph'>=</span>
|
||||
<a name="line-311"></a> <span class='hs-varid'>catchIOError</span> <span class='hs-varid'>a1</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>e</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-312"></a> <span class='hs-varid'>errno</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getErrno</span>
|
||||
<a name="line-313"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>errno</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>en</span>
|
||||
<a name="line-314"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>a2</span>
|
||||
<a name="line-315"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>ioError</span> <span class='hs-varid'>e</span>
|
||||
<a name="line-316"></a>
|
||||
<a name="line-317"></a><a name="rethrowErrnoAs"></a><span class='hs-comment'>-- |Execute the given action and retrow IO exceptions as a new Exception</span>
|
||||
<a name="line-318"></a><span class='hs-comment'>-- that have the given errno. If errno does not match the exception is rethrown</span>
|
||||
<a name="line-319"></a><span class='hs-comment'>-- as is.</span>
|
||||
<a name="line-320"></a><span class='hs-definition'>rethrowErrnoAs</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Exception</span> <span class='hs-varid'>e</span>
|
||||
<a name="line-321"></a> <span class='hs-keyglyph'>=></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Errno</span><span class='hs-keyglyph'>]</span> <span class='hs-comment'>-- ^ errno to catch</span>
|
||||
<a name="line-322"></a> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>e</span> <span class='hs-comment'>-- ^ rethrow as if errno matches</span>
|
||||
<a name="line-323"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span> <span class='hs-comment'>-- ^ action to try</span>
|
||||
<a name="line-324"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span>
|
||||
<a name="line-325"></a><span class='hs-definition'>rethrowErrnoAs</span> <span class='hs-varid'>en</span> <span class='hs-varid'>fmex</span> <span class='hs-varid'>action</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>catchErrno</span> <span class='hs-varid'>en</span> <span class='hs-varid'>action</span> <span class='hs-layout'>(</span><span class='hs-varid'>throwIO</span> <span class='hs-varid'>fmex</span><span class='hs-layout'>)</span>
|
||||
<a name="line-326"></a>
|
||||
<a name="line-317"></a>
|
||||
<a name="line-318"></a><a name="rethrowErrnoAs"></a><span class='hs-comment'>-- |Execute the given action and retrow IO exceptions as a new Exception</span>
|
||||
<a name="line-319"></a><span class='hs-comment'>-- that have the given errno. If errno does not match the exception is rethrown</span>
|
||||
<a name="line-320"></a><span class='hs-comment'>-- as is.</span>
|
||||
<a name="line-321"></a><span class='hs-definition'>rethrowErrnoAs</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Exception</span> <span class='hs-varid'>e</span>
|
||||
<a name="line-322"></a> <span class='hs-keyglyph'>=></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Errno</span><span class='hs-keyglyph'>]</span> <span class='hs-comment'>-- ^ errno to catch</span>
|
||||
<a name="line-323"></a> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>e</span> <span class='hs-comment'>-- ^ rethrow as if errno matches</span>
|
||||
<a name="line-324"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span> <span class='hs-comment'>-- ^ action to try</span>
|
||||
<a name="line-325"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span>
|
||||
<a name="line-326"></a><span class='hs-definition'>rethrowErrnoAs</span> <span class='hs-varid'>en</span> <span class='hs-varid'>fmex</span> <span class='hs-varid'>action</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>catchErrno</span> <span class='hs-varid'>en</span> <span class='hs-varid'>action</span> <span class='hs-layout'>(</span><span class='hs-varid'>throwIO</span> <span class='hs-varid'>fmex</span><span class='hs-layout'>)</span>
|
||||
<a name="line-327"></a>
|
||||
<a name="line-328"></a>
|
||||
<a name="line-329"></a><a name="handleIOError"></a><span class='hs-comment'>-- |Like `catchIOError`, with arguments swapped.</span>
|
||||
<a name="line-330"></a><span class='hs-definition'>handleIOError</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>IOError</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span>
|
||||
<a name="line-331"></a><span class='hs-definition'>handleIOError</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>flip</span> <span class='hs-varid'>catchIOError</span>
|
||||
<a name="line-332"></a>
|
||||
<a name="line-329"></a>
|
||||
<a name="line-330"></a><a name="handleIOError"></a><span class='hs-comment'>-- |Like `catchIOError`, with arguments swapped.</span>
|
||||
<a name="line-331"></a><span class='hs-definition'>handleIOError</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>IOError</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span>
|
||||
<a name="line-332"></a><span class='hs-definition'>handleIOError</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>flip</span> <span class='hs-varid'>catchIOError</span>
|
||||
<a name="line-333"></a>
|
||||
<a name="line-334"></a><a name="bracketeer"></a><span class='hs-comment'>-- |Like `bracket`, but allows to have different clean-up</span>
|
||||
<a name="line-335"></a><span class='hs-comment'>-- actions depending on whether the in-between computation</span>
|
||||
<a name="line-336"></a><span class='hs-comment'>-- has raised an exception or not. </span>
|
||||
<a name="line-337"></a><span class='hs-definition'>bracketeer</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span> <span class='hs-comment'>-- ^ computation to run first</span>
|
||||
<a name="line-338"></a> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-comment'>-- ^ computation to run last, when</span>
|
||||
<a name="line-339"></a> <span class='hs-comment'>-- no exception was raised</span>
|
||||
<a name="line-340"></a> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-comment'>-- ^ computation to run last,</span>
|
||||
<a name="line-341"></a> <span class='hs-comment'>-- when an exception was raised</span>
|
||||
<a name="line-342"></a> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-comment'>-- ^ computation to run in-between</span>
|
||||
<a name="line-343"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>c</span>
|
||||
<a name="line-344"></a><span class='hs-definition'>bracketeer</span> <span class='hs-varid'>before</span> <span class='hs-varid'>after</span> <span class='hs-varid'>afterEx</span> <span class='hs-varid'>thing</span> <span class='hs-keyglyph'>=</span>
|
||||
<a name="line-345"></a> <span class='hs-varid'>mask</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>restore</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-346"></a> <span class='hs-varid'>a</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>before</span>
|
||||
<a name="line-347"></a> <span class='hs-varid'>r</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>restore</span> <span class='hs-layout'>(</span><span class='hs-varid'>thing</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-varop'>`onException`</span> <span class='hs-varid'>afterEx</span> <span class='hs-varid'>a</span>
|
||||
<a name="line-348"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>after</span> <span class='hs-varid'>a</span>
|
||||
<a name="line-349"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>r</span>
|
||||
<a name="line-350"></a>
|
||||
<a name="line-334"></a>
|
||||
<a name="line-335"></a><a name="bracketeer"></a><span class='hs-comment'>-- |Like `bracket`, but allows to have different clean-up</span>
|
||||
<a name="line-336"></a><span class='hs-comment'>-- actions depending on whether the in-between computation</span>
|
||||
<a name="line-337"></a><span class='hs-comment'>-- has raised an exception or not. </span>
|
||||
<a name="line-338"></a><span class='hs-definition'>bracketeer</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span> <span class='hs-comment'>-- ^ computation to run first</span>
|
||||
<a name="line-339"></a> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-comment'>-- ^ computation to run last, when</span>
|
||||
<a name="line-340"></a> <span class='hs-comment'>-- no exception was raised</span>
|
||||
<a name="line-341"></a> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-comment'>-- ^ computation to run last,</span>
|
||||
<a name="line-342"></a> <span class='hs-comment'>-- when an exception was raised</span>
|
||||
<a name="line-343"></a> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-comment'>-- ^ computation to run in-between</span>
|
||||
<a name="line-344"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>c</span>
|
||||
<a name="line-345"></a><span class='hs-definition'>bracketeer</span> <span class='hs-varid'>before</span> <span class='hs-varid'>after</span> <span class='hs-varid'>afterEx</span> <span class='hs-varid'>thing</span> <span class='hs-keyglyph'>=</span>
|
||||
<a name="line-346"></a> <span class='hs-varid'>mask</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>restore</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-347"></a> <span class='hs-varid'>a</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>before</span>
|
||||
<a name="line-348"></a> <span class='hs-varid'>r</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>restore</span> <span class='hs-layout'>(</span><span class='hs-varid'>thing</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-varop'>`onException`</span> <span class='hs-varid'>afterEx</span> <span class='hs-varid'>a</span>
|
||||
<a name="line-349"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>after</span> <span class='hs-varid'>a</span>
|
||||
<a name="line-350"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>r</span>
|
||||
<a name="line-351"></a>
|
||||
<a name="line-352"></a><a name="reactOnError"></a><span class='hs-definition'>reactOnError</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span>
|
||||
<a name="line-353"></a> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>IOErrorType</span><span class='hs-layout'>,</span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span> <span class='hs-comment'>-- ^ reaction on IO errors</span>
|
||||
<a name="line-354"></a> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>HPathIOException</span><span class='hs-layout'>,</span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span> <span class='hs-comment'>-- ^ reaction on HPathIOException</span>
|
||||
<a name="line-355"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span>
|
||||
<a name="line-356"></a><span class='hs-definition'>reactOnError</span> <span class='hs-varid'>a</span> <span class='hs-varid'>ios</span> <span class='hs-varid'>fmios</span> <span class='hs-keyglyph'>=</span>
|
||||
<a name="line-357"></a> <span class='hs-varid'>a</span> <span class='hs-varop'>`catches`</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>iohandler</span><span class='hs-layout'>,</span> <span class='hs-varid'>fmiohandler</span><span class='hs-keyglyph'>]</span>
|
||||
<a name="line-358"></a> <span class='hs-keyword'>where</span>
|
||||
<a name="line-359"></a> <span class='hs-varid'>iohandler</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Handler</span> <span class='hs-varop'>$</span>
|
||||
<a name="line-360"></a> <span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-varid'>ex</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>IOException</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span>
|
||||
<a name="line-361"></a> <span class='hs-varid'>foldr</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-varid'>t</span><span class='hs-layout'>,</span> <span class='hs-varid'>a'</span><span class='hs-layout'>)</span> <span class='hs-varid'>y</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>if</span> <span class='hs-varid'>ioeGetErrorType</span> <span class='hs-varid'>ex</span> <span class='hs-varop'>==</span> <span class='hs-varid'>t</span>
|
||||
<a name="line-362"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>a'</span>
|
||||
<a name="line-363"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span>
|
||||
<a name="line-364"></a> <span class='hs-layout'>(</span><span class='hs-varid'>throwIO</span> <span class='hs-varid'>ex</span><span class='hs-layout'>)</span>
|
||||
<a name="line-365"></a> <span class='hs-varid'>ios</span>
|
||||
<a name="line-366"></a> <span class='hs-varid'>fmiohandler</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Handler</span> <span class='hs-varop'>$</span>
|
||||
<a name="line-367"></a> <span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-varid'>ex</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>HPathIOException</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span>
|
||||
<a name="line-368"></a> <span class='hs-varid'>foldr</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-varid'>t</span><span class='hs-layout'>,</span> <span class='hs-varid'>a'</span><span class='hs-layout'>)</span> <span class='hs-varid'>y</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>if</span> <span class='hs-varid'>toConstr</span> <span class='hs-varid'>ex</span> <span class='hs-varop'>==</span> <span class='hs-varid'>toConstr</span> <span class='hs-varid'>t</span>
|
||||
<a name="line-369"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>a'</span>
|
||||
<a name="line-370"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span>
|
||||
<a name="line-371"></a> <span class='hs-layout'>(</span><span class='hs-varid'>throwIO</span> <span class='hs-varid'>ex</span><span class='hs-layout'>)</span>
|
||||
<a name="line-372"></a> <span class='hs-varid'>fmios</span>
|
||||
<a name="line-352"></a>
|
||||
<a name="line-353"></a><a name="reactOnError"></a><span class='hs-definition'>reactOnError</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span>
|
||||
<a name="line-354"></a> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>IOErrorType</span><span class='hs-layout'>,</span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span> <span class='hs-comment'>-- ^ reaction on IO errors</span>
|
||||
<a name="line-355"></a> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>HPathIOException</span><span class='hs-layout'>,</span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span> <span class='hs-comment'>-- ^ reaction on HPathIOException</span>
|
||||
<a name="line-356"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span>
|
||||
<a name="line-357"></a><span class='hs-definition'>reactOnError</span> <span class='hs-varid'>a</span> <span class='hs-varid'>ios</span> <span class='hs-varid'>fmios</span> <span class='hs-keyglyph'>=</span>
|
||||
<a name="line-358"></a> <span class='hs-varid'>a</span> <span class='hs-varop'>`catches`</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>iohandler</span><span class='hs-layout'>,</span> <span class='hs-varid'>fmiohandler</span><span class='hs-keyglyph'>]</span>
|
||||
<a name="line-359"></a> <span class='hs-keyword'>where</span>
|
||||
<a name="line-360"></a> <span class='hs-varid'>iohandler</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Handler</span> <span class='hs-varop'>$</span>
|
||||
<a name="line-361"></a> <span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-varid'>ex</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>IOException</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span>
|
||||
<a name="line-362"></a> <span class='hs-varid'>foldr</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-varid'>t</span><span class='hs-layout'>,</span> <span class='hs-varid'>a'</span><span class='hs-layout'>)</span> <span class='hs-varid'>y</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>if</span> <span class='hs-varid'>ioeGetErrorType</span> <span class='hs-varid'>ex</span> <span class='hs-varop'>==</span> <span class='hs-varid'>t</span>
|
||||
<a name="line-363"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>a'</span>
|
||||
<a name="line-364"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span>
|
||||
<a name="line-365"></a> <span class='hs-layout'>(</span><span class='hs-varid'>throwIO</span> <span class='hs-varid'>ex</span><span class='hs-layout'>)</span>
|
||||
<a name="line-366"></a> <span class='hs-varid'>ios</span>
|
||||
<a name="line-367"></a> <span class='hs-varid'>fmiohandler</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Handler</span> <span class='hs-varop'>$</span>
|
||||
<a name="line-368"></a> <span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-varid'>ex</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>HPathIOException</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span>
|
||||
<a name="line-369"></a> <span class='hs-varid'>foldr</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-varid'>t</span><span class='hs-layout'>,</span> <span class='hs-varid'>a'</span><span class='hs-layout'>)</span> <span class='hs-varid'>y</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>if</span> <span class='hs-varid'>toConstr</span> <span class='hs-varid'>ex</span> <span class='hs-varop'>==</span> <span class='hs-varid'>toConstr</span> <span class='hs-varid'>t</span>
|
||||
<a name="line-370"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>a'</span>
|
||||
<a name="line-371"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span>
|
||||
<a name="line-372"></a> <span class='hs-layout'>(</span><span class='hs-varid'>throwIO</span> <span class='hs-varid'>ex</span><span class='hs-layout'>)</span>
|
||||
<a name="line-373"></a> <span class='hs-varid'>fmios</span>
|
||||
</pre></body>
|
||||
</html>
|
||||
|
||||
@@ -46,7 +46,7 @@
|
||||
<a name="line-37"></a> <span class='hs-layout'>(</span>
|
||||
<a name="line-38"></a> <span class='hs-comment'>-- * Types</span>
|
||||
<a name="line-39"></a> <span class='hs-conid'>FileType</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
|
||||
<a name="line-40"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>RecursiveMode</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
|
||||
<a name="line-40"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>RecursiveErrorMode</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
|
||||
<a name="line-41"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>CopyMode</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
|
||||
<a name="line-42"></a> <span class='hs-comment'>-- * File copying</span>
|
||||
<a name="line-43"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>copyDirRecursive</span>
|
||||
@@ -228,17 +228,17 @@
|
||||
<a name="line-219"></a>
|
||||
<a name="line-220"></a>
|
||||
<a name="line-221"></a>
|
||||
<a name="line-222"></a><a name="RecursiveMode"></a><span class='hs-comment'>-- |The mode for any recursive operation.</span>
|
||||
<a name="line-223"></a><a name="RecursiveMode"></a><span class='hs-comment'>--</span>
|
||||
<a name="line-224"></a><a name="RecursiveMode"></a><span class='hs-comment'>-- On `FailEarly` the whole operation fails immediately if any of the</span>
|
||||
<a name="line-225"></a><a name="RecursiveMode"></a><span class='hs-comment'>-- recursive sub-operations fail, which is sort of the default</span>
|
||||
<a name="line-226"></a><a name="RecursiveMode"></a><span class='hs-comment'>-- for IO operations.</span>
|
||||
<a name="line-227"></a><a name="RecursiveMode"></a><span class='hs-comment'>--</span>
|
||||
<a name="line-228"></a><a name="RecursiveMode"></a><span class='hs-comment'>-- On `CollectFailures` skips errors in the recursion and keeps on recursing.</span>
|
||||
<a name="line-229"></a><a name="RecursiveMode"></a><span class='hs-comment'>-- However all errors are collected in the `RecursiveFailure` error type,</span>
|
||||
<a name="line-230"></a><a name="RecursiveMode"></a><span class='hs-comment'>-- which is raised finally if there was any error.</span>
|
||||
<a name="line-231"></a><a name="RecursiveMode"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>RecursiveMode</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>FailEarly</span>
|
||||
<a name="line-232"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>CollectFailures</span>
|
||||
<a name="line-222"></a><a name="RecursiveErrorMode"></a><span class='hs-comment'>-- |The error mode for any recursive operation.</span>
|
||||
<a name="line-223"></a><a name="RecursiveErrorMode"></a><span class='hs-comment'>--</span>
|
||||
<a name="line-224"></a><a name="RecursiveErrorMode"></a><span class='hs-comment'>-- On `FailEarly` the whole operation fails immediately if any of the</span>
|
||||
<a name="line-225"></a><a name="RecursiveErrorMode"></a><span class='hs-comment'>-- recursive sub-operations fail, which is sort of the default</span>
|
||||
<a name="line-226"></a><a name="RecursiveErrorMode"></a><span class='hs-comment'>-- for IO operations.</span>
|
||||
<a name="line-227"></a><a name="RecursiveErrorMode"></a><span class='hs-comment'>--</span>
|
||||
<a name="line-228"></a><a name="RecursiveErrorMode"></a><span class='hs-comment'>-- On `CollectFailures` skips errors in the recursion and keeps on recursing.</span>
|
||||
<a name="line-229"></a><a name="RecursiveErrorMode"></a><span class='hs-comment'>-- However all errors are collected in the `RecursiveFailure` error type,</span>
|
||||
<a name="line-230"></a><a name="RecursiveErrorMode"></a><span class='hs-comment'>-- which is raised finally if there was any error.</span>
|
||||
<a name="line-231"></a><a name="RecursiveErrorMode"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>RecursiveErrorMode</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>FailEarly</span>
|
||||
<a name="line-232"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>CollectFailures</span>
|
||||
<a name="line-233"></a>
|
||||
<a name="line-234"></a>
|
||||
<a name="line-235"></a><a name="CopyMode"></a><span class='hs-comment'>-- |The mode for copy and file moves.</span>
|
||||
@@ -262,12 +262,12 @@
|
||||
<a name="line-253"></a><span class='hs-comment'>-- For directory contents, this will ignore any file type that is not</span>
|
||||
<a name="line-254"></a><span class='hs-comment'>-- `RegularFile`, `SymbolicLink` or `Directory`.</span>
|
||||
<a name="line-255"></a><span class='hs-comment'>--</span>
|
||||
<a name="line-256"></a><span class='hs-comment'>-- For `Overwrite` mode this does not prune destination directory contents,</span>
|
||||
<a name="line-256"></a><span class='hs-comment'>-- For `Overwrite` copy mode this does not prune destination directory contents,</span>
|
||||
<a name="line-257"></a><span class='hs-comment'>-- so the destination might contain more files than the source after</span>
|
||||
<a name="line-258"></a><span class='hs-comment'>-- the operation has completed.</span>
|
||||
<a name="line-259"></a><span class='hs-comment'>--</span>
|
||||
<a name="line-260"></a><span class='hs-comment'>-- Note that there is no guaranteed ordering of the exceptions</span>
|
||||
<a name="line-261"></a><span class='hs-comment'>-- contained within `RecursiveFailure` in `CollectFailures` RecursiveMode.</span>
|
||||
<a name="line-261"></a><span class='hs-comment'>-- contained within `RecursiveFailure` in `CollectFailures` RecursiveErrorMode.</span>
|
||||
<a name="line-262"></a><span class='hs-comment'>--</span>
|
||||
<a name="line-263"></a><span class='hs-comment'>-- Safety/reliability concerns:</span>
|
||||
<a name="line-264"></a><span class='hs-comment'>--</span>
|
||||
@@ -287,16 +287,16 @@
|
||||
<a name="line-278"></a><span class='hs-comment'>-- - `DestinationInSource` if destination is contained in source</span>
|
||||
<a name="line-279"></a><span class='hs-comment'>-- (`HPathIOException`)</span>
|
||||
<a name="line-280"></a><span class='hs-comment'>--</span>
|
||||
<a name="line-281"></a><span class='hs-comment'>-- Throws in `FailEarly` RecursiveMode only:</span>
|
||||
<a name="line-281"></a><span class='hs-comment'>-- Throws in `FailEarly` RecursiveErrorMode only:</span>
|
||||
<a name="line-282"></a><span class='hs-comment'>--</span>
|
||||
<a name="line-283"></a><span class='hs-comment'>-- - `PermissionDenied` if output directory is not writable</span>
|
||||
<a name="line-284"></a><span class='hs-comment'>-- - `InvalidArgument` if source directory is wrong type (symlink)</span>
|
||||
<a name="line-285"></a><span class='hs-comment'>-- - `InappropriateType` if source directory is wrong type (regular file)</span>
|
||||
<a name="line-286"></a><span class='hs-comment'>--</span>
|
||||
<a name="line-287"></a><span class='hs-comment'>-- Throws in `CollectFailures` RecursiveMode only:</span>
|
||||
<a name="line-287"></a><span class='hs-comment'>-- Throws in `CollectFailures` RecursiveErrorMode only:</span>
|
||||
<a name="line-288"></a><span class='hs-comment'>--</span>
|
||||
<a name="line-289"></a><span class='hs-comment'>-- - `RecursiveFailure` if any of the recursive operations that are not</span>
|
||||
<a name="line-290"></a><span class='hs-comment'>-- part of the top-directory sanity-checks fails (`HPathIOException`)</span>
|
||||
<a name="line-290"></a><span class='hs-comment'>-- part of the top-directory sanity-checks fail (`HPathIOException`)</span>
|
||||
<a name="line-291"></a><span class='hs-comment'>--</span>
|
||||
<a name="line-292"></a><span class='hs-comment'>-- Throws in `Strict` CopyMode only:</span>
|
||||
<a name="line-293"></a><span class='hs-comment'>--</span>
|
||||
@@ -304,7 +304,7 @@
|
||||
<a name="line-295"></a><span class='hs-definition'>copyDirRecursive</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Path</span> <span class='hs-conid'>Abs</span> <span class='hs-comment'>-- ^ source dir</span>
|
||||
<a name="line-296"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Path</span> <span class='hs-conid'>Abs</span> <span class='hs-comment'>-- ^ full destination</span>
|
||||
<a name="line-297"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>CopyMode</span>
|
||||
<a name="line-298"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>RecursiveMode</span>
|
||||
<a name="line-298"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>RecursiveErrorMode</span>
|
||||
<a name="line-299"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
|
||||
<a name="line-300"></a><span class='hs-definition'>copyDirRecursive</span> <span class='hs-varid'>fromp</span> <span class='hs-varid'>destdirp</span> <span class='hs-varid'>cm</span> <span class='hs-varid'>rm</span>
|
||||
<a name="line-301"></a> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
|
||||
@@ -357,7 +357,7 @@
|
||||
<a name="line-348"></a>
|
||||
<a name="line-349"></a><a name="recreateSymlink"></a><span class='hs-comment'>-- |Recreate a symlink.</span>
|
||||
<a name="line-350"></a><span class='hs-comment'>--</span>
|
||||
<a name="line-351"></a><span class='hs-comment'>-- In `Overwrite` mode only files and empty directories are deleted.</span>
|
||||
<a name="line-351"></a><span class='hs-comment'>-- In `Overwrite` copy mode only files and empty directories are deleted.</span>
|
||||
<a name="line-352"></a><span class='hs-comment'>--</span>
|
||||
<a name="line-353"></a><span class='hs-comment'>-- Safety/reliability concerns:</span>
|
||||
<a name="line-354"></a><span class='hs-comment'>--</span>
|
||||
@@ -408,7 +408,7 @@
|
||||
<a name="line-399"></a><span class='hs-comment'>-- examine file types. For a more high-level version, use `easyCopy`</span>
|
||||
<a name="line-400"></a><span class='hs-comment'>-- instead.</span>
|
||||
<a name="line-401"></a><span class='hs-comment'>--</span>
|
||||
<a name="line-402"></a><span class='hs-comment'>-- In `Overwrite` mode only overwrites actual files, not directories.</span>
|
||||
<a name="line-402"></a><span class='hs-comment'>-- In `Overwrite` copy mode only overwrites actual files, not directories.</span>
|
||||
<a name="line-403"></a><span class='hs-comment'>--</span>
|
||||
<a name="line-404"></a><span class='hs-comment'>-- Safety/reliability concerns:</span>
|
||||
<a name="line-405"></a><span class='hs-comment'>--</span>
|
||||
@@ -523,7 +523,7 @@
|
||||
<a name="line-514"></a><span class='hs-definition'>easyCopy</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Path</span> <span class='hs-conid'>Abs</span>
|
||||
<a name="line-515"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Path</span> <span class='hs-conid'>Abs</span>
|
||||
<a name="line-516"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>CopyMode</span>
|
||||
<a name="line-517"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>RecursiveMode</span>
|
||||
<a name="line-517"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>RecursiveErrorMode</span>
|
||||
<a name="line-518"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
|
||||
<a name="line-519"></a><span class='hs-definition'>easyCopy</span> <span class='hs-varid'>from</span> <span class='hs-varid'>to</span> <span class='hs-varid'>cm</span> <span class='hs-varid'>rm</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-520"></a> <span class='hs-varid'>ftype</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getFileType</span> <span class='hs-varid'>from</span>
|
||||
|
||||
@@ -19,253 +19,257 @@
|
||||
<a name="line-10"></a><span class='hs-comment'>-- Traversal and read operations on directories.</span>
|
||||
<a name="line-11"></a>
|
||||
<a name="line-12"></a>
|
||||
<a name="line-13"></a><span class='hs-comment'>{-# LANGUAGE ForeignFunctionInterface #-}</span>
|
||||
<a name="line-14"></a><span class='hs-comment'>{-# LANGUAGE OverloadedStrings #-}</span>
|
||||
<a name="line-15"></a><span class='hs-comment'>{-# LANGUAGE PackageImports #-}</span>
|
||||
<a name="line-16"></a><span class='hs-comment'>{-# LANGUAGE TupleSections #-}</span>
|
||||
<a name="line-17"></a><span class='hs-comment'>{-# LANGUAGE ViewPatterns #-}</span>
|
||||
<a name="line-18"></a>
|
||||
<a name="line-19"></a><span class='hs-comment'>{-# OPTIONS_GHC -Wall #-}</span>
|
||||
<a name="line-20"></a>
|
||||
<a name="line-13"></a><span class='hs-comment'>{-# LANGUAGE CPP #-}</span>
|
||||
<a name="line-14"></a><span class='hs-comment'>{-# LANGUAGE ForeignFunctionInterface #-}</span>
|
||||
<a name="line-15"></a><span class='hs-comment'>{-# LANGUAGE OverloadedStrings #-}</span>
|
||||
<a name="line-16"></a><span class='hs-comment'>{-# LANGUAGE PackageImports #-}</span>
|
||||
<a name="line-17"></a><span class='hs-comment'>{-# LANGUAGE TupleSections #-}</span>
|
||||
<a name="line-18"></a><span class='hs-comment'>{-# LANGUAGE ViewPatterns #-}</span>
|
||||
<a name="line-19"></a>
|
||||
<a name="line-20"></a><span class='hs-comment'>{-# OPTIONS_GHC -Wall #-}</span>
|
||||
<a name="line-21"></a>
|
||||
<a name="line-22"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Posix</span><span class='hs-varop'>.</span><span class='hs-conid'>Directory</span><span class='hs-varop'>.</span><span class='hs-conid'>Traversals</span> <span class='hs-layout'>(</span>
|
||||
<a name="line-23"></a>
|
||||
<a name="line-24"></a> <span class='hs-varid'>getDirectoryContents</span>
|
||||
<a name="line-25"></a><span class='hs-layout'>,</span> <span class='hs-varid'>getDirectoryContents'</span>
|
||||
<a name="line-26"></a>
|
||||
<a name="line-27"></a><span class='hs-layout'>,</span> <span class='hs-varid'>allDirectoryContents</span>
|
||||
<a name="line-28"></a><span class='hs-layout'>,</span> <span class='hs-varid'>allDirectoryContents'</span>
|
||||
<a name="line-29"></a><span class='hs-layout'>,</span> <span class='hs-varid'>traverseDirectory</span>
|
||||
<a name="line-30"></a>
|
||||
<a name="line-31"></a><span class='hs-comment'>-- lower-level stuff</span>
|
||||
<a name="line-32"></a><span class='hs-layout'>,</span> <span class='hs-varid'>readDirEnt</span>
|
||||
<a name="line-33"></a><span class='hs-layout'>,</span> <span class='hs-varid'>packDirStream</span>
|
||||
<a name="line-34"></a><span class='hs-layout'>,</span> <span class='hs-varid'>unpackDirStream</span>
|
||||
<a name="line-35"></a><span class='hs-layout'>,</span> <span class='hs-varid'>fdOpendir</span>
|
||||
<a name="line-36"></a>
|
||||
<a name="line-37"></a><span class='hs-layout'>,</span> <span class='hs-varid'>realpath</span>
|
||||
<a name="line-38"></a><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
|
||||
<a name="line-39"></a>
|
||||
<a name="line-40"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Applicative</span>
|
||||
<a name="line-41"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span>
|
||||
<a name="line-42"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Posix</span><span class='hs-varop'>.</span><span class='hs-conid'>FilePath</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varop'></></span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
|
||||
<a name="line-43"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Posix</span><span class='hs-varop'>.</span><span class='hs-conid'>Directory</span><span class='hs-varop'>.</span><span class='hs-conid'>Foreign</span>
|
||||
<a name="line-44"></a>
|
||||
<a name="line-45"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Posix</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>Posix</span>
|
||||
<a name="line-46"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>Error</span>
|
||||
<a name="line-47"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Exception</span>
|
||||
<a name="line-48"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span><span class='hs-varop'>.</span><span class='hs-conid'>Char8</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>BS</span>
|
||||
<a name="line-49"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Posix</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span><span class='hs-varop'>.</span><span class='hs-conid'>FilePath</span>
|
||||
<a name="line-50"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Posix</span><span class='hs-varop'>.</span><span class='hs-conid'>Directory</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>PosixBS</span>
|
||||
<a name="line-51"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Posix</span><span class='hs-varop'>.</span><span class='hs-conid'>Files</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span>
|
||||
<a name="line-52"></a>
|
||||
<a name="line-53"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>Unsafe</span>
|
||||
<a name="line-54"></a><span class='hs-keyword'>import</span> <span class='hs-str'>"unix"</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Posix</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-layout'>(</span><span class='hs-varid'>closeFd</span><span class='hs-layout'>)</span>
|
||||
<a name="line-55"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Unsafe</span><span class='hs-varop'>.</span><span class='hs-conid'>Coerce</span> <span class='hs-layout'>(</span><span class='hs-varid'>unsafeCoerce</span><span class='hs-layout'>)</span>
|
||||
<a name="line-56"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Foreign</span><span class='hs-varop'>.</span><span class='hs-conid'>C</span><span class='hs-varop'>.</span><span class='hs-conid'>Error</span>
|
||||
<a name="line-57"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Foreign</span><span class='hs-varop'>.</span><span class='hs-conid'>C</span><span class='hs-varop'>.</span><span class='hs-conid'>String</span>
|
||||
<a name="line-58"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Foreign</span><span class='hs-varop'>.</span><span class='hs-conid'>C</span><span class='hs-varop'>.</span><span class='hs-conid'>Types</span>
|
||||
<a name="line-59"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Foreign</span><span class='hs-varop'>.</span><span class='hs-conid'>Marshal</span><span class='hs-varop'>.</span><span class='hs-conid'>Alloc</span> <span class='hs-layout'>(</span><span class='hs-varid'>alloca</span><span class='hs-layout'>,</span><span class='hs-varid'>allocaBytes</span><span class='hs-layout'>)</span>
|
||||
<a name="line-60"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Foreign</span><span class='hs-varop'>.</span><span class='hs-conid'>Ptr</span>
|
||||
<a name="line-61"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Foreign</span><span class='hs-varop'>.</span><span class='hs-conid'>Storable</span>
|
||||
<a name="line-62"></a>
|
||||
<a name="line-63"></a>
|
||||
<a name="line-64"></a>
|
||||
<a name="line-65"></a>
|
||||
<a name="line-66"></a><span class='hs-comment'>----------------------------------------------------------</span>
|
||||
<a name="line-22"></a>
|
||||
<a name="line-23"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Posix</span><span class='hs-varop'>.</span><span class='hs-conid'>Directory</span><span class='hs-varop'>.</span><span class='hs-conid'>Traversals</span> <span class='hs-layout'>(</span>
|
||||
<a name="line-24"></a>
|
||||
<a name="line-25"></a> <span class='hs-varid'>getDirectoryContents</span>
|
||||
<a name="line-26"></a><span class='hs-layout'>,</span> <span class='hs-varid'>getDirectoryContents'</span>
|
||||
<a name="line-27"></a>
|
||||
<a name="line-28"></a><span class='hs-layout'>,</span> <span class='hs-varid'>allDirectoryContents</span>
|
||||
<a name="line-29"></a><span class='hs-layout'>,</span> <span class='hs-varid'>allDirectoryContents'</span>
|
||||
<a name="line-30"></a><span class='hs-layout'>,</span> <span class='hs-varid'>traverseDirectory</span>
|
||||
<a name="line-31"></a>
|
||||
<a name="line-32"></a><span class='hs-comment'>-- lower-level stuff</span>
|
||||
<a name="line-33"></a><span class='hs-layout'>,</span> <span class='hs-varid'>readDirEnt</span>
|
||||
<a name="line-34"></a><span class='hs-layout'>,</span> <span class='hs-varid'>packDirStream</span>
|
||||
<a name="line-35"></a><span class='hs-layout'>,</span> <span class='hs-varid'>unpackDirStream</span>
|
||||
<a name="line-36"></a><span class='hs-layout'>,</span> <span class='hs-varid'>fdOpendir</span>
|
||||
<a name="line-37"></a>
|
||||
<a name="line-38"></a><span class='hs-layout'>,</span> <span class='hs-varid'>realpath</span>
|
||||
<a name="line-39"></a><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
|
||||
<a name="line-40"></a>
|
||||
<a name="line-41"></a>
|
||||
<a name="line-42"></a><span class='hs-cpp'>#if __GLASGOW_HASKELL__ < 710</span>
|
||||
<a name="line-43"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Applicative</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varop'><$></span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
|
||||
<a name="line-44"></a><span class='hs-cpp'>#endif</span>
|
||||
<a name="line-45"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span>
|
||||
<a name="line-46"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Posix</span><span class='hs-varop'>.</span><span class='hs-conid'>FilePath</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varop'></></span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
|
||||
<a name="line-47"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Posix</span><span class='hs-varop'>.</span><span class='hs-conid'>Directory</span><span class='hs-varop'>.</span><span class='hs-conid'>Foreign</span>
|
||||
<a name="line-48"></a>
|
||||
<a name="line-49"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Posix</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>Posix</span>
|
||||
<a name="line-50"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>Error</span>
|
||||
<a name="line-51"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Exception</span>
|
||||
<a name="line-52"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span><span class='hs-varop'>.</span><span class='hs-conid'>Char8</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>BS</span>
|
||||
<a name="line-53"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Posix</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span><span class='hs-varop'>.</span><span class='hs-conid'>FilePath</span>
|
||||
<a name="line-54"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Posix</span><span class='hs-varop'>.</span><span class='hs-conid'>Directory</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>PosixBS</span>
|
||||
<a name="line-55"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Posix</span><span class='hs-varop'>.</span><span class='hs-conid'>Files</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span>
|
||||
<a name="line-56"></a>
|
||||
<a name="line-57"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>Unsafe</span>
|
||||
<a name="line-58"></a><span class='hs-keyword'>import</span> <span class='hs-str'>"unix"</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Posix</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-layout'>(</span><span class='hs-varid'>closeFd</span><span class='hs-layout'>)</span>
|
||||
<a name="line-59"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Unsafe</span><span class='hs-varop'>.</span><span class='hs-conid'>Coerce</span> <span class='hs-layout'>(</span><span class='hs-varid'>unsafeCoerce</span><span class='hs-layout'>)</span>
|
||||
<a name="line-60"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Foreign</span><span class='hs-varop'>.</span><span class='hs-conid'>C</span><span class='hs-varop'>.</span><span class='hs-conid'>Error</span>
|
||||
<a name="line-61"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Foreign</span><span class='hs-varop'>.</span><span class='hs-conid'>C</span><span class='hs-varop'>.</span><span class='hs-conid'>String</span>
|
||||
<a name="line-62"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Foreign</span><span class='hs-varop'>.</span><span class='hs-conid'>C</span><span class='hs-varop'>.</span><span class='hs-conid'>Types</span>
|
||||
<a name="line-63"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Foreign</span><span class='hs-varop'>.</span><span class='hs-conid'>Marshal</span><span class='hs-varop'>.</span><span class='hs-conid'>Alloc</span> <span class='hs-layout'>(</span><span class='hs-varid'>alloca</span><span class='hs-layout'>,</span><span class='hs-varid'>allocaBytes</span><span class='hs-layout'>)</span>
|
||||
<a name="line-64"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Foreign</span><span class='hs-varop'>.</span><span class='hs-conid'>Ptr</span>
|
||||
<a name="line-65"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Foreign</span><span class='hs-varop'>.</span><span class='hs-conid'>Storable</span>
|
||||
<a name="line-66"></a>
|
||||
<a name="line-67"></a>
|
||||
<a name="line-68"></a><a name="allDirectoryContents"></a><span class='hs-comment'>-- | Get all files from a directory and its subdirectories.</span>
|
||||
<a name="line-69"></a><span class='hs-comment'>--</span>
|
||||
<a name="line-70"></a><span class='hs-comment'>-- Upon entering a directory, 'allDirectoryContents' will get all entries</span>
|
||||
<a name="line-71"></a><span class='hs-comment'>-- strictly. However the returned list is lazy in that directories will only</span>
|
||||
<a name="line-72"></a><span class='hs-comment'>-- be accessed on demand.</span>
|
||||
<a name="line-68"></a>
|
||||
<a name="line-69"></a>
|
||||
<a name="line-70"></a><span class='hs-comment'>----------------------------------------------------------</span>
|
||||
<a name="line-71"></a>
|
||||
<a name="line-72"></a><a name="allDirectoryContents"></a><span class='hs-comment'>-- | Get all files from a directory and its subdirectories.</span>
|
||||
<a name="line-73"></a><span class='hs-comment'>--</span>
|
||||
<a name="line-74"></a><span class='hs-comment'>-- Follows symbolic links for the input dir.</span>
|
||||
<a name="line-75"></a><span class='hs-definition'>allDirectoryContents</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>RawFilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>RawFilePath</span><span class='hs-keyglyph'>]</span>
|
||||
<a name="line-76"></a><span class='hs-definition'>allDirectoryContents</span> <span class='hs-varid'>topdir</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-77"></a> <span class='hs-varid'>namesAndTypes</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getDirectoryContents</span> <span class='hs-varid'>topdir</span>
|
||||
<a name="line-78"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>properNames</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>filter</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varop'>`notElem`</span> <span class='hs-keyglyph'>[</span><span class='hs-str'>"."</span><span class='hs-layout'>,</span> <span class='hs-str'>".."</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>snd</span><span class='hs-layout'>)</span> <span class='hs-varid'>namesAndTypes</span>
|
||||
<a name="line-79"></a> <span class='hs-varid'>paths</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>forM</span> <span class='hs-varid'>properNames</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-varid'>typ</span><span class='hs-layout'>,</span><span class='hs-varid'>name</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>unsafeInterleaveIO</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-80"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>path</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>topdir</span> <span class='hs-varop'></></span> <span class='hs-varid'>name</span>
|
||||
<a name="line-81"></a> <span class='hs-keyword'>case</span> <span class='hs-conid'>()</span> <span class='hs-keyword'>of</span>
|
||||
<a name="line-82"></a> <span class='hs-conid'>()</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>typ</span> <span class='hs-varop'>==</span> <span class='hs-varid'>dtDir</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>allDirectoryContents</span> <span class='hs-varid'>path</span>
|
||||
<a name="line-83"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>typ</span> <span class='hs-varop'>==</span> <span class='hs-varid'>dtUnknown</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-84"></a> <span class='hs-varid'>isDir</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>isDirectory</span> <span class='hs-varop'><$></span> <span class='hs-varid'>getFileStatus</span> <span class='hs-varid'>path</span>
|
||||
<a name="line-85"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>isDir</span>
|
||||
<a name="line-86"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>allDirectoryContents</span> <span class='hs-varid'>path</span>
|
||||
<a name="line-87"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>return</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>path</span><span class='hs-keyglyph'>]</span>
|
||||
<a name="line-88"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>path</span><span class='hs-keyglyph'>]</span>
|
||||
<a name="line-89"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>topdir</span> <span class='hs-conop'>:</span> <span class='hs-varid'>concat</span> <span class='hs-varid'>paths</span><span class='hs-layout'>)</span>
|
||||
<a name="line-90"></a>
|
||||
<a name="line-91"></a><a name="allDirectoryContents'"></a><span class='hs-comment'>-- | Get all files from a directory and its subdirectories strictly.</span>
|
||||
<a name="line-92"></a><span class='hs-comment'>--</span>
|
||||
<a name="line-93"></a><span class='hs-comment'>-- Follows symbolic links for the input dir.</span>
|
||||
<a name="line-94"></a><span class='hs-definition'>allDirectoryContents'</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>RawFilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>RawFilePath</span><span class='hs-keyglyph'>]</span>
|
||||
<a name="line-95"></a><span class='hs-definition'>allDirectoryContents'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fmap</span> <span class='hs-varid'>reverse</span> <span class='hs-varop'>.</span> <span class='hs-varid'>traverseDirectory</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>acc</span> <span class='hs-varid'>fp</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>fp</span><span class='hs-conop'>:</span><span class='hs-varid'>acc</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-conid'>[]</span>
|
||||
<a name="line-96"></a><span class='hs-comment'>-- this uses traverseDirectory because it's more efficient than forcing the</span>
|
||||
<a name="line-97"></a><span class='hs-comment'>-- lazy version.</span>
|
||||
<a name="line-98"></a>
|
||||
<a name="line-99"></a><a name="traverseDirectory"></a><span class='hs-comment'>-- | Recursively apply the 'action' to the parent directory and all</span>
|
||||
<a name="line-100"></a><span class='hs-comment'>-- files/subdirectories.</span>
|
||||
<a name="line-101"></a><span class='hs-comment'>--</span>
|
||||
<a name="line-102"></a><span class='hs-comment'>-- This function allows for memory-efficient traversals.</span>
|
||||
<a name="line-103"></a><span class='hs-comment'>--</span>
|
||||
<a name="line-104"></a><span class='hs-comment'>-- Follows symbolic links for the input dir.</span>
|
||||
<a name="line-105"></a><span class='hs-definition'>traverseDirectory</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>RawFilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>RawFilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>s</span>
|
||||
<a name="line-106"></a><span class='hs-definition'>traverseDirectory</span> <span class='hs-varid'>act</span> <span class='hs-varid'>s0</span> <span class='hs-varid'>topdir</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>toploop</span>
|
||||
<a name="line-107"></a> <span class='hs-keyword'>where</span>
|
||||
<a name="line-108"></a> <span class='hs-varid'>toploop</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-109"></a> <span class='hs-varid'>isDir</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>isDirectory</span> <span class='hs-varop'><$></span> <span class='hs-varid'>getFileStatus</span> <span class='hs-varid'>topdir</span>
|
||||
<a name="line-110"></a> <span class='hs-varid'>s'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>act</span> <span class='hs-varid'>s0</span> <span class='hs-varid'>topdir</span>
|
||||
<a name="line-111"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>isDir</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>actOnDirContents</span> <span class='hs-varid'>topdir</span> <span class='hs-varid'>s'</span> <span class='hs-varid'>loop</span>
|
||||
<a name="line-112"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>return</span> <span class='hs-varid'>s'</span>
|
||||
<a name="line-113"></a> <span class='hs-varid'>loop</span> <span class='hs-varid'>typ</span> <span class='hs-varid'>path</span> <span class='hs-varid'>acc</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-114"></a> <span class='hs-varid'>isDir</span> <span class='hs-keyglyph'><-</span> <span class='hs-keyword'>case</span> <span class='hs-conid'>()</span> <span class='hs-keyword'>of</span>
|
||||
<a name="line-115"></a> <span class='hs-conid'>()</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>typ</span> <span class='hs-varop'>==</span> <span class='hs-varid'>dtDir</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>True</span>
|
||||
<a name="line-116"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>typ</span> <span class='hs-varop'>==</span> <span class='hs-varid'>dtUnknown</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>isDirectory</span> <span class='hs-varop'><$></span> <span class='hs-varid'>getFileStatus</span> <span class='hs-varid'>path</span>
|
||||
<a name="line-117"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>False</span>
|
||||
<a name="line-118"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>isDir</span>
|
||||
<a name="line-119"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>act</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>path</span> <span class='hs-varop'>>>=</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>acc'</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>actOnDirContents</span> <span class='hs-varid'>path</span> <span class='hs-varid'>acc'</span> <span class='hs-varid'>loop</span>
|
||||
<a name="line-120"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>act</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>path</span>
|
||||
<a name="line-121"></a>
|
||||
<a name="line-122"></a><a name="actOnDirContents"></a><span class='hs-definition'>actOnDirContents</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>RawFilePath</span>
|
||||
<a name="line-123"></a> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>b</span>
|
||||
<a name="line-124"></a> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>DirType</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>RawFilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span>
|
||||
<a name="line-125"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>b</span>
|
||||
<a name="line-126"></a><span class='hs-definition'>actOnDirContents</span> <span class='hs-varid'>pathRelToTop</span> <span class='hs-varid'>b</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span>
|
||||
<a name="line-127"></a> <span class='hs-varid'>modifyIOError</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varop'>`ioeSetFileName`</span> <span class='hs-layout'>(</span><span class='hs-conid'>BS</span><span class='hs-varop'>.</span><span class='hs-varid'>unpack</span> <span class='hs-varid'>pathRelToTop</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span>
|
||||
<a name="line-128"></a> <span class='hs-layout'>(</span><span class='hs-varop'>`ioeSetLocation`</span> <span class='hs-str'>"findBSTypRel"</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
|
||||
<a name="line-129"></a> <span class='hs-varid'>bracket</span>
|
||||
<a name="line-130"></a> <span class='hs-layout'>(</span><span class='hs-varid'>openDirStream</span> <span class='hs-varid'>pathRelToTop</span><span class='hs-layout'>)</span>
|
||||
<a name="line-131"></a> <span class='hs-conid'>Posix</span><span class='hs-varop'>.</span><span class='hs-varid'>closeDirStream</span>
|
||||
<a name="line-132"></a> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>dirp</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>loop</span> <span class='hs-varid'>dirp</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span>
|
||||
<a name="line-133"></a> <span class='hs-keyword'>where</span>
|
||||
<a name="line-134"></a> <span class='hs-varid'>loop</span> <span class='hs-varid'>dirp</span> <span class='hs-varid'>b'</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-135"></a> <span class='hs-layout'>(</span><span class='hs-varid'>typ</span><span class='hs-layout'>,</span><span class='hs-varid'>e</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readDirEnt</span> <span class='hs-varid'>dirp</span>
|
||||
<a name="line-136"></a> <span class='hs-keyword'>if</span> <span class='hs-layout'>(</span><span class='hs-varid'>e</span> <span class='hs-varop'>==</span> <span class='hs-str'>""</span><span class='hs-layout'>)</span>
|
||||
<a name="line-137"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>return</span> <span class='hs-varid'>b'</span>
|
||||
<a name="line-138"></a> <span class='hs-keyword'>else</span>
|
||||
<a name="line-139"></a> <span class='hs-keyword'>if</span> <span class='hs-layout'>(</span><span class='hs-varid'>e</span> <span class='hs-varop'>==</span> <span class='hs-str'>"."</span> <span class='hs-varop'>||</span> <span class='hs-varid'>e</span> <span class='hs-varop'>==</span> <span class='hs-str'>".."</span><span class='hs-layout'>)</span>
|
||||
<a name="line-140"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>loop</span> <span class='hs-varid'>dirp</span> <span class='hs-varid'>b'</span>
|
||||
<a name="line-141"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>f</span> <span class='hs-varid'>typ</span> <span class='hs-layout'>(</span><span class='hs-varid'>pathRelToTop</span> <span class='hs-varop'></></span> <span class='hs-varid'>e</span><span class='hs-layout'>)</span> <span class='hs-varid'>b'</span> <span class='hs-varop'>>>=</span> <span class='hs-varid'>loop</span> <span class='hs-varid'>dirp</span>
|
||||
<a name="line-142"></a>
|
||||
<a name="line-143"></a>
|
||||
<a name="line-144"></a><span class='hs-comment'>----------------------------------------------------------</span>
|
||||
<a name="line-145"></a><span class='hs-comment'>-- dodgy stuff</span>
|
||||
<a name="line-74"></a><span class='hs-comment'>-- Upon entering a directory, 'allDirectoryContents' will get all entries</span>
|
||||
<a name="line-75"></a><span class='hs-comment'>-- strictly. However the returned list is lazy in that directories will only</span>
|
||||
<a name="line-76"></a><span class='hs-comment'>-- be accessed on demand.</span>
|
||||
<a name="line-77"></a><span class='hs-comment'>--</span>
|
||||
<a name="line-78"></a><span class='hs-comment'>-- Follows symbolic links for the input dir.</span>
|
||||
<a name="line-79"></a><span class='hs-definition'>allDirectoryContents</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>RawFilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>RawFilePath</span><span class='hs-keyglyph'>]</span>
|
||||
<a name="line-80"></a><span class='hs-definition'>allDirectoryContents</span> <span class='hs-varid'>topdir</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-81"></a> <span class='hs-varid'>namesAndTypes</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getDirectoryContents</span> <span class='hs-varid'>topdir</span>
|
||||
<a name="line-82"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>properNames</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>filter</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varop'>`notElem`</span> <span class='hs-keyglyph'>[</span><span class='hs-str'>"."</span><span class='hs-layout'>,</span> <span class='hs-str'>".."</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>snd</span><span class='hs-layout'>)</span> <span class='hs-varid'>namesAndTypes</span>
|
||||
<a name="line-83"></a> <span class='hs-varid'>paths</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>forM</span> <span class='hs-varid'>properNames</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-varid'>typ</span><span class='hs-layout'>,</span><span class='hs-varid'>name</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>unsafeInterleaveIO</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-84"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>path</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>topdir</span> <span class='hs-varop'></></span> <span class='hs-varid'>name</span>
|
||||
<a name="line-85"></a> <span class='hs-keyword'>case</span> <span class='hs-conid'>()</span> <span class='hs-keyword'>of</span>
|
||||
<a name="line-86"></a> <span class='hs-conid'>()</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>typ</span> <span class='hs-varop'>==</span> <span class='hs-varid'>dtDir</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>allDirectoryContents</span> <span class='hs-varid'>path</span>
|
||||
<a name="line-87"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>typ</span> <span class='hs-varop'>==</span> <span class='hs-varid'>dtUnknown</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-88"></a> <span class='hs-varid'>isDir</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>isDirectory</span> <span class='hs-varop'><$></span> <span class='hs-varid'>getFileStatus</span> <span class='hs-varid'>path</span>
|
||||
<a name="line-89"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>isDir</span>
|
||||
<a name="line-90"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>allDirectoryContents</span> <span class='hs-varid'>path</span>
|
||||
<a name="line-91"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>return</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>path</span><span class='hs-keyglyph'>]</span>
|
||||
<a name="line-92"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>path</span><span class='hs-keyglyph'>]</span>
|
||||
<a name="line-93"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>topdir</span> <span class='hs-conop'>:</span> <span class='hs-varid'>concat</span> <span class='hs-varid'>paths</span><span class='hs-layout'>)</span>
|
||||
<a name="line-94"></a>
|
||||
<a name="line-95"></a><a name="allDirectoryContents'"></a><span class='hs-comment'>-- | Get all files from a directory and its subdirectories strictly.</span>
|
||||
<a name="line-96"></a><span class='hs-comment'>--</span>
|
||||
<a name="line-97"></a><span class='hs-comment'>-- Follows symbolic links for the input dir.</span>
|
||||
<a name="line-98"></a><span class='hs-definition'>allDirectoryContents'</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>RawFilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>RawFilePath</span><span class='hs-keyglyph'>]</span>
|
||||
<a name="line-99"></a><span class='hs-definition'>allDirectoryContents'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fmap</span> <span class='hs-varid'>reverse</span> <span class='hs-varop'>.</span> <span class='hs-varid'>traverseDirectory</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>acc</span> <span class='hs-varid'>fp</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>fp</span><span class='hs-conop'>:</span><span class='hs-varid'>acc</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-conid'>[]</span>
|
||||
<a name="line-100"></a><span class='hs-comment'>-- this uses traverseDirectory because it's more efficient than forcing the</span>
|
||||
<a name="line-101"></a><span class='hs-comment'>-- lazy version.</span>
|
||||
<a name="line-102"></a>
|
||||
<a name="line-103"></a><a name="traverseDirectory"></a><span class='hs-comment'>-- | Recursively apply the 'action' to the parent directory and all</span>
|
||||
<a name="line-104"></a><span class='hs-comment'>-- files/subdirectories.</span>
|
||||
<a name="line-105"></a><span class='hs-comment'>--</span>
|
||||
<a name="line-106"></a><span class='hs-comment'>-- This function allows for memory-efficient traversals.</span>
|
||||
<a name="line-107"></a><span class='hs-comment'>--</span>
|
||||
<a name="line-108"></a><span class='hs-comment'>-- Follows symbolic links for the input dir.</span>
|
||||
<a name="line-109"></a><span class='hs-definition'>traverseDirectory</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>RawFilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>RawFilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>s</span>
|
||||
<a name="line-110"></a><span class='hs-definition'>traverseDirectory</span> <span class='hs-varid'>act</span> <span class='hs-varid'>s0</span> <span class='hs-varid'>topdir</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>toploop</span>
|
||||
<a name="line-111"></a> <span class='hs-keyword'>where</span>
|
||||
<a name="line-112"></a> <span class='hs-varid'>toploop</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-113"></a> <span class='hs-varid'>isDir</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>isDirectory</span> <span class='hs-varop'><$></span> <span class='hs-varid'>getFileStatus</span> <span class='hs-varid'>topdir</span>
|
||||
<a name="line-114"></a> <span class='hs-varid'>s'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>act</span> <span class='hs-varid'>s0</span> <span class='hs-varid'>topdir</span>
|
||||
<a name="line-115"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>isDir</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>actOnDirContents</span> <span class='hs-varid'>topdir</span> <span class='hs-varid'>s'</span> <span class='hs-varid'>loop</span>
|
||||
<a name="line-116"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>return</span> <span class='hs-varid'>s'</span>
|
||||
<a name="line-117"></a> <span class='hs-varid'>loop</span> <span class='hs-varid'>typ</span> <span class='hs-varid'>path</span> <span class='hs-varid'>acc</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-118"></a> <span class='hs-varid'>isDir</span> <span class='hs-keyglyph'><-</span> <span class='hs-keyword'>case</span> <span class='hs-conid'>()</span> <span class='hs-keyword'>of</span>
|
||||
<a name="line-119"></a> <span class='hs-conid'>()</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>typ</span> <span class='hs-varop'>==</span> <span class='hs-varid'>dtDir</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>True</span>
|
||||
<a name="line-120"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>typ</span> <span class='hs-varop'>==</span> <span class='hs-varid'>dtUnknown</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>isDirectory</span> <span class='hs-varop'><$></span> <span class='hs-varid'>getFileStatus</span> <span class='hs-varid'>path</span>
|
||||
<a name="line-121"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>False</span>
|
||||
<a name="line-122"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>isDir</span>
|
||||
<a name="line-123"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>act</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>path</span> <span class='hs-varop'>>>=</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>acc'</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>actOnDirContents</span> <span class='hs-varid'>path</span> <span class='hs-varid'>acc'</span> <span class='hs-varid'>loop</span>
|
||||
<a name="line-124"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>act</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>path</span>
|
||||
<a name="line-125"></a>
|
||||
<a name="line-126"></a><a name="actOnDirContents"></a><span class='hs-definition'>actOnDirContents</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>RawFilePath</span>
|
||||
<a name="line-127"></a> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>b</span>
|
||||
<a name="line-128"></a> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>DirType</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>RawFilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span>
|
||||
<a name="line-129"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>b</span>
|
||||
<a name="line-130"></a><span class='hs-definition'>actOnDirContents</span> <span class='hs-varid'>pathRelToTop</span> <span class='hs-varid'>b</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span>
|
||||
<a name="line-131"></a> <span class='hs-varid'>modifyIOError</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varop'>`ioeSetFileName`</span> <span class='hs-layout'>(</span><span class='hs-conid'>BS</span><span class='hs-varop'>.</span><span class='hs-varid'>unpack</span> <span class='hs-varid'>pathRelToTop</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span>
|
||||
<a name="line-132"></a> <span class='hs-layout'>(</span><span class='hs-varop'>`ioeSetLocation`</span> <span class='hs-str'>"findBSTypRel"</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
|
||||
<a name="line-133"></a> <span class='hs-varid'>bracket</span>
|
||||
<a name="line-134"></a> <span class='hs-layout'>(</span><span class='hs-varid'>openDirStream</span> <span class='hs-varid'>pathRelToTop</span><span class='hs-layout'>)</span>
|
||||
<a name="line-135"></a> <span class='hs-conid'>Posix</span><span class='hs-varop'>.</span><span class='hs-varid'>closeDirStream</span>
|
||||
<a name="line-136"></a> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>dirp</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>loop</span> <span class='hs-varid'>dirp</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span>
|
||||
<a name="line-137"></a> <span class='hs-keyword'>where</span>
|
||||
<a name="line-138"></a> <span class='hs-varid'>loop</span> <span class='hs-varid'>dirp</span> <span class='hs-varid'>b'</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-139"></a> <span class='hs-layout'>(</span><span class='hs-varid'>typ</span><span class='hs-layout'>,</span><span class='hs-varid'>e</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readDirEnt</span> <span class='hs-varid'>dirp</span>
|
||||
<a name="line-140"></a> <span class='hs-keyword'>if</span> <span class='hs-layout'>(</span><span class='hs-varid'>e</span> <span class='hs-varop'>==</span> <span class='hs-str'>""</span><span class='hs-layout'>)</span>
|
||||
<a name="line-141"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>return</span> <span class='hs-varid'>b'</span>
|
||||
<a name="line-142"></a> <span class='hs-keyword'>else</span>
|
||||
<a name="line-143"></a> <span class='hs-keyword'>if</span> <span class='hs-layout'>(</span><span class='hs-varid'>e</span> <span class='hs-varop'>==</span> <span class='hs-str'>"."</span> <span class='hs-varop'>||</span> <span class='hs-varid'>e</span> <span class='hs-varop'>==</span> <span class='hs-str'>".."</span><span class='hs-layout'>)</span>
|
||||
<a name="line-144"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>loop</span> <span class='hs-varid'>dirp</span> <span class='hs-varid'>b'</span>
|
||||
<a name="line-145"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>f</span> <span class='hs-varid'>typ</span> <span class='hs-layout'>(</span><span class='hs-varid'>pathRelToTop</span> <span class='hs-varop'></></span> <span class='hs-varid'>e</span><span class='hs-layout'>)</span> <span class='hs-varid'>b'</span> <span class='hs-varop'>>>=</span> <span class='hs-varid'>loop</span> <span class='hs-varid'>dirp</span>
|
||||
<a name="line-146"></a>
|
||||
<a name="line-147"></a><a name="CDir"></a><span class='hs-keyword'>type</span> <span class='hs-conid'>CDir</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>()</span>
|
||||
<a name="line-148"></a><a name="CDirent"></a><span class='hs-keyword'>type</span> <span class='hs-conid'>CDirent</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>()</span>
|
||||
<a name="line-149"></a>
|
||||
<a name="line-150"></a><a name="unpackDirStream"></a><span class='hs-comment'>-- Posix doesn't export DirStream, so to re-use that type we need to use</span>
|
||||
<a name="line-151"></a><span class='hs-comment'>-- unsafeCoerce. It's just a newtype, so this is a legitimate usage.</span>
|
||||
<a name="line-152"></a><span class='hs-comment'>-- ugly trick.</span>
|
||||
<a name="line-153"></a><span class='hs-definition'>unpackDirStream</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>DirStream</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Ptr</span> <span class='hs-conid'>CDir</span>
|
||||
<a name="line-154"></a><span class='hs-definition'>unpackDirStream</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unsafeCoerce</span>
|
||||
<a name="line-155"></a>
|
||||
<a name="line-156"></a><a name="packDirStream"></a><span class='hs-definition'>packDirStream</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Ptr</span> <span class='hs-conid'>CDir</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>DirStream</span>
|
||||
<a name="line-157"></a><span class='hs-definition'>packDirStream</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unsafeCoerce</span>
|
||||
<a name="line-158"></a>
|
||||
<a name="line-159"></a><span class='hs-comment'>-- the __hscore_* functions are defined in the unix package. We can import them and let</span>
|
||||
<a name="line-160"></a><span class='hs-comment'>-- the linker figure it out.</span>
|
||||
<a name="line-161"></a><span class='hs-keyword'>foreign</span> <span class='hs-keyword'>import</span> <span class='hs-keyword'>ccall</span> <span class='hs-keyword'>unsafe</span> <span class='hs-str'>"__hscore_readdir"</span>
|
||||
<a name="line-162"></a> <span class='hs-varid'>c_readdir</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Ptr</span> <span class='hs-conid'>CDir</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Ptr</span> <span class='hs-layout'>(</span><span class='hs-conid'>Ptr</span> <span class='hs-conid'>CDirent</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>CInt</span>
|
||||
<a name="line-163"></a>
|
||||
<a name="line-164"></a><span class='hs-keyword'>foreign</span> <span class='hs-keyword'>import</span> <span class='hs-keyword'>ccall</span> <span class='hs-keyword'>unsafe</span> <span class='hs-str'>"__hscore_free_dirent"</span>
|
||||
<a name="line-165"></a> <span class='hs-varid'>c_freeDirEnt</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Ptr</span> <span class='hs-conid'>CDirent</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
|
||||
<a name="line-166"></a>
|
||||
<a name="line-167"></a><span class='hs-keyword'>foreign</span> <span class='hs-keyword'>import</span> <span class='hs-keyword'>ccall</span> <span class='hs-keyword'>unsafe</span> <span class='hs-str'>"__hscore_d_name"</span>
|
||||
<a name="line-168"></a> <span class='hs-varid'>c_name</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Ptr</span> <span class='hs-conid'>CDirent</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>CString</span>
|
||||
<a name="line-169"></a>
|
||||
<a name="line-170"></a><span class='hs-keyword'>foreign</span> <span class='hs-keyword'>import</span> <span class='hs-keyword'>ccall</span> <span class='hs-keyword'>unsafe</span> <span class='hs-str'>"__posixdir_d_type"</span>
|
||||
<a name="line-171"></a> <span class='hs-varid'>c_type</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Ptr</span> <span class='hs-conid'>CDirent</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>DirType</span>
|
||||
<a name="line-172"></a>
|
||||
<a name="line-173"></a><span class='hs-keyword'>foreign</span> <span class='hs-keyword'>import</span> <span class='hs-keyword'>ccall</span> <span class='hs-str'>"realpath"</span>
|
||||
<a name="line-174"></a> <span class='hs-varid'>c_realpath</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>CString</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>CString</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>CString</span>
|
||||
<a name="line-175"></a>
|
||||
<a name="line-176"></a><span class='hs-keyword'>foreign</span> <span class='hs-keyword'>import</span> <span class='hs-keyword'>ccall</span> <span class='hs-keyword'>unsafe</span> <span class='hs-str'>"fdopendir"</span>
|
||||
<a name="line-177"></a> <span class='hs-varid'>c_fdopendir</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Posix</span><span class='hs-varop'>.</span><span class='hs-conid'>Fd</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>Ptr</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span>
|
||||
<a name="line-178"></a>
|
||||
<a name="line-179"></a><span class='hs-comment'>----------------------------------------------------------</span>
|
||||
<a name="line-180"></a><span class='hs-comment'>-- less dodgy but still lower-level</span>
|
||||
<a name="line-181"></a>
|
||||
<a name="line-147"></a>
|
||||
<a name="line-148"></a><span class='hs-comment'>----------------------------------------------------------</span>
|
||||
<a name="line-149"></a><span class='hs-comment'>-- dodgy stuff</span>
|
||||
<a name="line-150"></a>
|
||||
<a name="line-151"></a><a name="CDir"></a><span class='hs-keyword'>type</span> <span class='hs-conid'>CDir</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>()</span>
|
||||
<a name="line-152"></a><a name="CDirent"></a><span class='hs-keyword'>type</span> <span class='hs-conid'>CDirent</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>()</span>
|
||||
<a name="line-153"></a>
|
||||
<a name="line-154"></a><a name="unpackDirStream"></a><span class='hs-comment'>-- Posix doesn't export DirStream, so to re-use that type we need to use</span>
|
||||
<a name="line-155"></a><span class='hs-comment'>-- unsafeCoerce. It's just a newtype, so this is a legitimate usage.</span>
|
||||
<a name="line-156"></a><span class='hs-comment'>-- ugly trick.</span>
|
||||
<a name="line-157"></a><span class='hs-definition'>unpackDirStream</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>DirStream</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Ptr</span> <span class='hs-conid'>CDir</span>
|
||||
<a name="line-158"></a><span class='hs-definition'>unpackDirStream</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unsafeCoerce</span>
|
||||
<a name="line-159"></a>
|
||||
<a name="line-160"></a><a name="packDirStream"></a><span class='hs-definition'>packDirStream</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Ptr</span> <span class='hs-conid'>CDir</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>DirStream</span>
|
||||
<a name="line-161"></a><span class='hs-definition'>packDirStream</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unsafeCoerce</span>
|
||||
<a name="line-162"></a>
|
||||
<a name="line-163"></a><span class='hs-comment'>-- the __hscore_* functions are defined in the unix package. We can import them and let</span>
|
||||
<a name="line-164"></a><span class='hs-comment'>-- the linker figure it out.</span>
|
||||
<a name="line-165"></a><span class='hs-keyword'>foreign</span> <span class='hs-keyword'>import</span> <span class='hs-keyword'>ccall</span> <span class='hs-keyword'>unsafe</span> <span class='hs-str'>"__hscore_readdir"</span>
|
||||
<a name="line-166"></a> <span class='hs-varid'>c_readdir</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Ptr</span> <span class='hs-conid'>CDir</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Ptr</span> <span class='hs-layout'>(</span><span class='hs-conid'>Ptr</span> <span class='hs-conid'>CDirent</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>CInt</span>
|
||||
<a name="line-167"></a>
|
||||
<a name="line-168"></a><span class='hs-keyword'>foreign</span> <span class='hs-keyword'>import</span> <span class='hs-keyword'>ccall</span> <span class='hs-keyword'>unsafe</span> <span class='hs-str'>"__hscore_free_dirent"</span>
|
||||
<a name="line-169"></a> <span class='hs-varid'>c_freeDirEnt</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Ptr</span> <span class='hs-conid'>CDirent</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
|
||||
<a name="line-170"></a>
|
||||
<a name="line-171"></a><span class='hs-keyword'>foreign</span> <span class='hs-keyword'>import</span> <span class='hs-keyword'>ccall</span> <span class='hs-keyword'>unsafe</span> <span class='hs-str'>"__hscore_d_name"</span>
|
||||
<a name="line-172"></a> <span class='hs-varid'>c_name</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Ptr</span> <span class='hs-conid'>CDirent</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>CString</span>
|
||||
<a name="line-173"></a>
|
||||
<a name="line-174"></a><span class='hs-keyword'>foreign</span> <span class='hs-keyword'>import</span> <span class='hs-keyword'>ccall</span> <span class='hs-keyword'>unsafe</span> <span class='hs-str'>"__posixdir_d_type"</span>
|
||||
<a name="line-175"></a> <span class='hs-varid'>c_type</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Ptr</span> <span class='hs-conid'>CDirent</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>DirType</span>
|
||||
<a name="line-176"></a>
|
||||
<a name="line-177"></a><span class='hs-keyword'>foreign</span> <span class='hs-keyword'>import</span> <span class='hs-keyword'>ccall</span> <span class='hs-str'>"realpath"</span>
|
||||
<a name="line-178"></a> <span class='hs-varid'>c_realpath</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>CString</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>CString</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>CString</span>
|
||||
<a name="line-179"></a>
|
||||
<a name="line-180"></a><span class='hs-keyword'>foreign</span> <span class='hs-keyword'>import</span> <span class='hs-keyword'>ccall</span> <span class='hs-keyword'>unsafe</span> <span class='hs-str'>"fdopendir"</span>
|
||||
<a name="line-181"></a> <span class='hs-varid'>c_fdopendir</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Posix</span><span class='hs-varop'>.</span><span class='hs-conid'>Fd</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>Ptr</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span>
|
||||
<a name="line-182"></a>
|
||||
<a name="line-183"></a><a name="readDirEnt"></a><span class='hs-definition'>readDirEnt</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>DirStream</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>DirType</span><span class='hs-layout'>,</span> <span class='hs-conid'>RawFilePath</span><span class='hs-layout'>)</span>
|
||||
<a name="line-184"></a><span class='hs-definition'>readDirEnt</span> <span class='hs-layout'>(</span><span class='hs-varid'>unpackDirStream</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>dirp</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
|
||||
<a name="line-185"></a> <span class='hs-varid'>alloca</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>ptr_dEnt</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>loop</span> <span class='hs-varid'>ptr_dEnt</span>
|
||||
<a name="line-186"></a> <span class='hs-keyword'>where</span>
|
||||
<a name="line-187"></a> <span class='hs-varid'>loop</span> <span class='hs-varid'>ptr_dEnt</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-188"></a> <span class='hs-varid'>resetErrno</span>
|
||||
<a name="line-189"></a> <span class='hs-varid'>r</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>c_readdir</span> <span class='hs-varid'>dirp</span> <span class='hs-varid'>ptr_dEnt</span>
|
||||
<a name="line-190"></a> <span class='hs-keyword'>if</span> <span class='hs-layout'>(</span><span class='hs-varid'>r</span> <span class='hs-varop'>==</span> <span class='hs-num'>0</span><span class='hs-layout'>)</span>
|
||||
<a name="line-191"></a> <span class='hs-keyword'>then</span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-192"></a> <span class='hs-varid'>dEnt</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>peek</span> <span class='hs-varid'>ptr_dEnt</span>
|
||||
<a name="line-193"></a> <span class='hs-keyword'>if</span> <span class='hs-layout'>(</span><span class='hs-varid'>dEnt</span> <span class='hs-varop'>==</span> <span class='hs-varid'>nullPtr</span><span class='hs-layout'>)</span>
|
||||
<a name="line-194"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>dtUnknown</span><span class='hs-layout'>,</span><span class='hs-conid'>BS</span><span class='hs-varop'>.</span><span class='hs-varid'>empty</span><span class='hs-layout'>)</span>
|
||||
<a name="line-195"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-196"></a> <span class='hs-varid'>dName</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>c_name</span> <span class='hs-varid'>dEnt</span> <span class='hs-varop'>>>=</span> <span class='hs-varid'>peekFilePath</span>
|
||||
<a name="line-197"></a> <span class='hs-varid'>dType</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>c_type</span> <span class='hs-varid'>dEnt</span>
|
||||
<a name="line-198"></a> <span class='hs-varid'>c_freeDirEnt</span> <span class='hs-varid'>dEnt</span>
|
||||
<a name="line-199"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>dType</span><span class='hs-layout'>,</span> <span class='hs-varid'>dName</span><span class='hs-layout'>)</span>
|
||||
<a name="line-200"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-201"></a> <span class='hs-varid'>errno</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getErrno</span>
|
||||
<a name="line-202"></a> <span class='hs-keyword'>if</span> <span class='hs-layout'>(</span><span class='hs-varid'>errno</span> <span class='hs-varop'>==</span> <span class='hs-varid'>eINTR</span><span class='hs-layout'>)</span>
|
||||
<a name="line-203"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>loop</span> <span class='hs-varid'>ptr_dEnt</span>
|
||||
<a name="line-204"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-205"></a> <span class='hs-keyword'>let</span> <span class='hs-layout'>(</span><span class='hs-conid'>Errno</span> <span class='hs-varid'>eo</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>errno</span>
|
||||
<a name="line-206"></a> <span class='hs-keyword'>if</span> <span class='hs-layout'>(</span><span class='hs-varid'>eo</span> <span class='hs-varop'>==</span> <span class='hs-num'>0</span><span class='hs-layout'>)</span>
|
||||
<a name="line-207"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>dtUnknown</span><span class='hs-layout'>,</span><span class='hs-conid'>BS</span><span class='hs-varop'>.</span><span class='hs-varid'>empty</span><span class='hs-layout'>)</span>
|
||||
<a name="line-208"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>throwErrno</span> <span class='hs-str'>"readDirEnt"</span>
|
||||
<a name="line-209"></a>
|
||||
<a name="line-210"></a>
|
||||
<a name="line-211"></a><a name="getDirectoryContents"></a><span class='hs-comment'>-- |Gets all directory contents (not recursively).</span>
|
||||
<a name="line-212"></a><span class='hs-definition'>getDirectoryContents</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>RawFilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>DirType</span><span class='hs-layout'>,</span> <span class='hs-conid'>RawFilePath</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
|
||||
<a name="line-213"></a><span class='hs-definition'>getDirectoryContents</span> <span class='hs-varid'>path</span> <span class='hs-keyglyph'>=</span>
|
||||
<a name="line-214"></a> <span class='hs-varid'>modifyIOError</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varop'>`ioeSetFileName`</span> <span class='hs-layout'>(</span><span class='hs-conid'>BS</span><span class='hs-varop'>.</span><span class='hs-varid'>unpack</span> <span class='hs-varid'>path</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span>
|
||||
<a name="line-215"></a> <span class='hs-layout'>(</span><span class='hs-varop'>`ioeSetLocation`</span> <span class='hs-str'>"System.Posix.Directory.Traversals.getDirectoryContents"</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
|
||||
<a name="line-216"></a> <span class='hs-varid'>bracket</span>
|
||||
<a name="line-217"></a> <span class='hs-layout'>(</span><span class='hs-conid'>PosixBS</span><span class='hs-varop'>.</span><span class='hs-varid'>openDirStream</span> <span class='hs-varid'>path</span><span class='hs-layout'>)</span>
|
||||
<a name="line-218"></a> <span class='hs-conid'>PosixBS</span><span class='hs-varop'>.</span><span class='hs-varid'>closeDirStream</span>
|
||||
<a name="line-219"></a> <span class='hs-sel'>_dirloop</span>
|
||||
<a name="line-220"></a>
|
||||
<a name="line-221"></a>
|
||||
<a name="line-222"></a><a name="fdOpendir"></a><span class='hs-comment'>-- |Binding to @fdopendir(3)@.</span>
|
||||
<a name="line-223"></a><span class='hs-definition'>fdOpendir</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Posix</span><span class='hs-varop'>.</span><span class='hs-conid'>Fd</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>DirStream</span>
|
||||
<a name="line-224"></a><span class='hs-definition'>fdOpendir</span> <span class='hs-varid'>fd</span> <span class='hs-keyglyph'>=</span>
|
||||
<a name="line-225"></a> <span class='hs-varid'>packDirStream</span> <span class='hs-varop'><$></span> <span class='hs-varid'>throwErrnoIfNull</span> <span class='hs-str'>"fdOpendir"</span> <span class='hs-layout'>(</span><span class='hs-varid'>c_fdopendir</span> <span class='hs-varid'>fd</span><span class='hs-layout'>)</span>
|
||||
<a name="line-226"></a>
|
||||
<a name="line-227"></a>
|
||||
<a name="line-228"></a><a name="getDirectoryContents'"></a><span class='hs-comment'>-- |Like `getDirectoryContents` except for a file descriptor.</span>
|
||||
<a name="line-229"></a><span class='hs-comment'>--</span>
|
||||
<a name="line-230"></a><span class='hs-comment'>-- To avoid complicated error checks, the file descriptor is</span>
|
||||
<a name="line-231"></a><span class='hs-comment'>-- __always__ closed, even if `fdOpendir` fails. Usually, this</span>
|
||||
<a name="line-232"></a><span class='hs-comment'>-- only happens on successful `fdOpendir` and after the directory</span>
|
||||
<a name="line-233"></a><span class='hs-comment'>-- stream is closed. Also see the manpage of @fdopendir(3)@ for</span>
|
||||
<a name="line-234"></a><span class='hs-comment'>-- more details.</span>
|
||||
<a name="line-235"></a><span class='hs-definition'>getDirectoryContents'</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Posix</span><span class='hs-varop'>.</span><span class='hs-conid'>Fd</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>DirType</span><span class='hs-layout'>,</span> <span class='hs-conid'>RawFilePath</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
|
||||
<a name="line-236"></a><span class='hs-definition'>getDirectoryContents'</span> <span class='hs-varid'>fd</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-237"></a> <span class='hs-varid'>dirstream</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>fdOpendir</span> <span class='hs-varid'>fd</span> <span class='hs-varop'>`catchIOError`</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>e</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-238"></a> <span class='hs-varid'>closeFd</span> <span class='hs-varid'>fd</span>
|
||||
<a name="line-239"></a> <span class='hs-varid'>ioError</span> <span class='hs-varid'>e</span>
|
||||
<a name="line-240"></a> <span class='hs-comment'>-- closeDirStream closes the filedescriptor</span>
|
||||
<a name="line-241"></a> <span class='hs-varid'>finally</span> <span class='hs-layout'>(</span><span class='hs-sel'>_dirloop</span> <span class='hs-varid'>dirstream</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>PosixBS</span><span class='hs-varop'>.</span><span class='hs-varid'>closeDirStream</span> <span class='hs-varid'>dirstream</span><span class='hs-layout'>)</span>
|
||||
<a name="line-242"></a>
|
||||
<a name="line-243"></a>
|
||||
<a name="line-244"></a><span class='hs-sel'>_dirloop</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>DirStream</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>DirType</span><span class='hs-layout'>,</span> <span class='hs-conid'>RawFilePath</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
|
||||
<a name="line-245"></a><span class='hs-comment'>{-# INLINE _dirloop #-}</span>
|
||||
<a name="line-246"></a><span class='hs-sel'>_dirloop</span> <span class='hs-varid'>dirp</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-247"></a> <span class='hs-varid'>t</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-sel'>_typ</span><span class='hs-layout'>,</span><span class='hs-varid'>e</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readDirEnt</span> <span class='hs-varid'>dirp</span>
|
||||
<a name="line-248"></a> <span class='hs-keyword'>if</span> <span class='hs-conid'>BS</span><span class='hs-varop'>.</span><span class='hs-varid'>null</span> <span class='hs-varid'>e</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>return</span> <span class='hs-conid'>[]</span> <span class='hs-keyword'>else</span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-249"></a> <span class='hs-varid'>es</span> <span class='hs-keyglyph'><-</span> <span class='hs-sel'>_dirloop</span> <span class='hs-varid'>dirp</span>
|
||||
<a name="line-250"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>t</span><span class='hs-conop'>:</span><span class='hs-varid'>es</span><span class='hs-layout'>)</span>
|
||||
<a name="line-251"></a>
|
||||
<a name="line-252"></a>
|
||||
<a name="line-253"></a><a name="realpath"></a><span class='hs-comment'>-- | return the canonicalized absolute pathname</span>
|
||||
<a name="line-254"></a><span class='hs-comment'>--</span>
|
||||
<a name="line-255"></a><span class='hs-comment'>-- like canonicalizePath, but uses @realpath(3)@</span>
|
||||
<a name="line-256"></a><span class='hs-definition'>realpath</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>RawFilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>RawFilePath</span>
|
||||
<a name="line-257"></a><span class='hs-definition'>realpath</span> <span class='hs-varid'>inp</span> <span class='hs-keyglyph'>=</span>
|
||||
<a name="line-258"></a> <span class='hs-varid'>allocaBytes</span> <span class='hs-varid'>pathMax</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>tmp</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-259"></a> <span class='hs-varid'>void</span> <span class='hs-varop'>$</span> <span class='hs-conid'>BS</span><span class='hs-varop'>.</span><span class='hs-varid'>useAsCString</span> <span class='hs-varid'>inp</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>cstr</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>throwErrnoIfNull</span> <span class='hs-str'>"realpath"</span> <span class='hs-varop'>$</span> <span class='hs-varid'>c_realpath</span> <span class='hs-varid'>cstr</span> <span class='hs-varid'>tmp</span>
|
||||
<a name="line-260"></a> <span class='hs-conid'>BS</span><span class='hs-varop'>.</span><span class='hs-varid'>packCString</span> <span class='hs-varid'>tmp</span>
|
||||
<a name="line-183"></a><span class='hs-comment'>----------------------------------------------------------</span>
|
||||
<a name="line-184"></a><span class='hs-comment'>-- less dodgy but still lower-level</span>
|
||||
<a name="line-185"></a>
|
||||
<a name="line-186"></a>
|
||||
<a name="line-187"></a><a name="readDirEnt"></a><span class='hs-definition'>readDirEnt</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>DirStream</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>DirType</span><span class='hs-layout'>,</span> <span class='hs-conid'>RawFilePath</span><span class='hs-layout'>)</span>
|
||||
<a name="line-188"></a><span class='hs-definition'>readDirEnt</span> <span class='hs-layout'>(</span><span class='hs-varid'>unpackDirStream</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>dirp</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
|
||||
<a name="line-189"></a> <span class='hs-varid'>alloca</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>ptr_dEnt</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>loop</span> <span class='hs-varid'>ptr_dEnt</span>
|
||||
<a name="line-190"></a> <span class='hs-keyword'>where</span>
|
||||
<a name="line-191"></a> <span class='hs-varid'>loop</span> <span class='hs-varid'>ptr_dEnt</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-192"></a> <span class='hs-varid'>resetErrno</span>
|
||||
<a name="line-193"></a> <span class='hs-varid'>r</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>c_readdir</span> <span class='hs-varid'>dirp</span> <span class='hs-varid'>ptr_dEnt</span>
|
||||
<a name="line-194"></a> <span class='hs-keyword'>if</span> <span class='hs-layout'>(</span><span class='hs-varid'>r</span> <span class='hs-varop'>==</span> <span class='hs-num'>0</span><span class='hs-layout'>)</span>
|
||||
<a name="line-195"></a> <span class='hs-keyword'>then</span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-196"></a> <span class='hs-varid'>dEnt</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>peek</span> <span class='hs-varid'>ptr_dEnt</span>
|
||||
<a name="line-197"></a> <span class='hs-keyword'>if</span> <span class='hs-layout'>(</span><span class='hs-varid'>dEnt</span> <span class='hs-varop'>==</span> <span class='hs-varid'>nullPtr</span><span class='hs-layout'>)</span>
|
||||
<a name="line-198"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>dtUnknown</span><span class='hs-layout'>,</span><span class='hs-conid'>BS</span><span class='hs-varop'>.</span><span class='hs-varid'>empty</span><span class='hs-layout'>)</span>
|
||||
<a name="line-199"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-200"></a> <span class='hs-varid'>dName</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>c_name</span> <span class='hs-varid'>dEnt</span> <span class='hs-varop'>>>=</span> <span class='hs-varid'>peekFilePath</span>
|
||||
<a name="line-201"></a> <span class='hs-varid'>dType</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>c_type</span> <span class='hs-varid'>dEnt</span>
|
||||
<a name="line-202"></a> <span class='hs-varid'>c_freeDirEnt</span> <span class='hs-varid'>dEnt</span>
|
||||
<a name="line-203"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>dType</span><span class='hs-layout'>,</span> <span class='hs-varid'>dName</span><span class='hs-layout'>)</span>
|
||||
<a name="line-204"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-205"></a> <span class='hs-varid'>errno</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getErrno</span>
|
||||
<a name="line-206"></a> <span class='hs-keyword'>if</span> <span class='hs-layout'>(</span><span class='hs-varid'>errno</span> <span class='hs-varop'>==</span> <span class='hs-varid'>eINTR</span><span class='hs-layout'>)</span>
|
||||
<a name="line-207"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>loop</span> <span class='hs-varid'>ptr_dEnt</span>
|
||||
<a name="line-208"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-209"></a> <span class='hs-keyword'>let</span> <span class='hs-layout'>(</span><span class='hs-conid'>Errno</span> <span class='hs-varid'>eo</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>errno</span>
|
||||
<a name="line-210"></a> <span class='hs-keyword'>if</span> <span class='hs-layout'>(</span><span class='hs-varid'>eo</span> <span class='hs-varop'>==</span> <span class='hs-num'>0</span><span class='hs-layout'>)</span>
|
||||
<a name="line-211"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>dtUnknown</span><span class='hs-layout'>,</span><span class='hs-conid'>BS</span><span class='hs-varop'>.</span><span class='hs-varid'>empty</span><span class='hs-layout'>)</span>
|
||||
<a name="line-212"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>throwErrno</span> <span class='hs-str'>"readDirEnt"</span>
|
||||
<a name="line-213"></a>
|
||||
<a name="line-214"></a>
|
||||
<a name="line-215"></a><a name="getDirectoryContents"></a><span class='hs-comment'>-- |Gets all directory contents (not recursively).</span>
|
||||
<a name="line-216"></a><span class='hs-definition'>getDirectoryContents</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>RawFilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>DirType</span><span class='hs-layout'>,</span> <span class='hs-conid'>RawFilePath</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
|
||||
<a name="line-217"></a><span class='hs-definition'>getDirectoryContents</span> <span class='hs-varid'>path</span> <span class='hs-keyglyph'>=</span>
|
||||
<a name="line-218"></a> <span class='hs-varid'>modifyIOError</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varop'>`ioeSetFileName`</span> <span class='hs-layout'>(</span><span class='hs-conid'>BS</span><span class='hs-varop'>.</span><span class='hs-varid'>unpack</span> <span class='hs-varid'>path</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span>
|
||||
<a name="line-219"></a> <span class='hs-layout'>(</span><span class='hs-varop'>`ioeSetLocation`</span> <span class='hs-str'>"System.Posix.Directory.Traversals.getDirectoryContents"</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
|
||||
<a name="line-220"></a> <span class='hs-varid'>bracket</span>
|
||||
<a name="line-221"></a> <span class='hs-layout'>(</span><span class='hs-conid'>PosixBS</span><span class='hs-varop'>.</span><span class='hs-varid'>openDirStream</span> <span class='hs-varid'>path</span><span class='hs-layout'>)</span>
|
||||
<a name="line-222"></a> <span class='hs-conid'>PosixBS</span><span class='hs-varop'>.</span><span class='hs-varid'>closeDirStream</span>
|
||||
<a name="line-223"></a> <span class='hs-sel'>_dirloop</span>
|
||||
<a name="line-224"></a>
|
||||
<a name="line-225"></a>
|
||||
<a name="line-226"></a><a name="fdOpendir"></a><span class='hs-comment'>-- |Binding to @fdopendir(3)@.</span>
|
||||
<a name="line-227"></a><span class='hs-definition'>fdOpendir</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Posix</span><span class='hs-varop'>.</span><span class='hs-conid'>Fd</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>DirStream</span>
|
||||
<a name="line-228"></a><span class='hs-definition'>fdOpendir</span> <span class='hs-varid'>fd</span> <span class='hs-keyglyph'>=</span>
|
||||
<a name="line-229"></a> <span class='hs-varid'>packDirStream</span> <span class='hs-varop'><$></span> <span class='hs-varid'>throwErrnoIfNull</span> <span class='hs-str'>"fdOpendir"</span> <span class='hs-layout'>(</span><span class='hs-varid'>c_fdopendir</span> <span class='hs-varid'>fd</span><span class='hs-layout'>)</span>
|
||||
<a name="line-230"></a>
|
||||
<a name="line-231"></a>
|
||||
<a name="line-232"></a><a name="getDirectoryContents'"></a><span class='hs-comment'>-- |Like `getDirectoryContents` except for a file descriptor.</span>
|
||||
<a name="line-233"></a><span class='hs-comment'>--</span>
|
||||
<a name="line-234"></a><span class='hs-comment'>-- To avoid complicated error checks, the file descriptor is</span>
|
||||
<a name="line-235"></a><span class='hs-comment'>-- __always__ closed, even if `fdOpendir` fails. Usually, this</span>
|
||||
<a name="line-236"></a><span class='hs-comment'>-- only happens on successful `fdOpendir` and after the directory</span>
|
||||
<a name="line-237"></a><span class='hs-comment'>-- stream is closed. Also see the manpage of @fdopendir(3)@ for</span>
|
||||
<a name="line-238"></a><span class='hs-comment'>-- more details.</span>
|
||||
<a name="line-239"></a><span class='hs-definition'>getDirectoryContents'</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Posix</span><span class='hs-varop'>.</span><span class='hs-conid'>Fd</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>DirType</span><span class='hs-layout'>,</span> <span class='hs-conid'>RawFilePath</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
|
||||
<a name="line-240"></a><span class='hs-definition'>getDirectoryContents'</span> <span class='hs-varid'>fd</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-241"></a> <span class='hs-varid'>dirstream</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>fdOpendir</span> <span class='hs-varid'>fd</span> <span class='hs-varop'>`catchIOError`</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>e</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-242"></a> <span class='hs-varid'>closeFd</span> <span class='hs-varid'>fd</span>
|
||||
<a name="line-243"></a> <span class='hs-varid'>ioError</span> <span class='hs-varid'>e</span>
|
||||
<a name="line-244"></a> <span class='hs-comment'>-- closeDirStream closes the filedescriptor</span>
|
||||
<a name="line-245"></a> <span class='hs-varid'>finally</span> <span class='hs-layout'>(</span><span class='hs-sel'>_dirloop</span> <span class='hs-varid'>dirstream</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>PosixBS</span><span class='hs-varop'>.</span><span class='hs-varid'>closeDirStream</span> <span class='hs-varid'>dirstream</span><span class='hs-layout'>)</span>
|
||||
<a name="line-246"></a>
|
||||
<a name="line-247"></a>
|
||||
<a name="line-248"></a><span class='hs-sel'>_dirloop</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>DirStream</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>DirType</span><span class='hs-layout'>,</span> <span class='hs-conid'>RawFilePath</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
|
||||
<a name="line-249"></a><span class='hs-comment'>{-# INLINE _dirloop #-}</span>
|
||||
<a name="line-250"></a><span class='hs-sel'>_dirloop</span> <span class='hs-varid'>dirp</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-251"></a> <span class='hs-varid'>t</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-sel'>_typ</span><span class='hs-layout'>,</span><span class='hs-varid'>e</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readDirEnt</span> <span class='hs-varid'>dirp</span>
|
||||
<a name="line-252"></a> <span class='hs-keyword'>if</span> <span class='hs-conid'>BS</span><span class='hs-varop'>.</span><span class='hs-varid'>null</span> <span class='hs-varid'>e</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>return</span> <span class='hs-conid'>[]</span> <span class='hs-keyword'>else</span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-253"></a> <span class='hs-varid'>es</span> <span class='hs-keyglyph'><-</span> <span class='hs-sel'>_dirloop</span> <span class='hs-varid'>dirp</span>
|
||||
<a name="line-254"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>t</span><span class='hs-conop'>:</span><span class='hs-varid'>es</span><span class='hs-layout'>)</span>
|
||||
<a name="line-255"></a>
|
||||
<a name="line-256"></a>
|
||||
<a name="line-257"></a><a name="realpath"></a><span class='hs-comment'>-- | return the canonicalized absolute pathname</span>
|
||||
<a name="line-258"></a><span class='hs-comment'>--</span>
|
||||
<a name="line-259"></a><span class='hs-comment'>-- like canonicalizePath, but uses @realpath(3)@</span>
|
||||
<a name="line-260"></a><span class='hs-definition'>realpath</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>RawFilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>RawFilePath</span>
|
||||
<a name="line-261"></a><span class='hs-definition'>realpath</span> <span class='hs-varid'>inp</span> <span class='hs-keyglyph'>=</span>
|
||||
<a name="line-262"></a> <span class='hs-varid'>allocaBytes</span> <span class='hs-varid'>pathMax</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>tmp</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
|
||||
<a name="line-263"></a> <span class='hs-varid'>void</span> <span class='hs-varop'>$</span> <span class='hs-conid'>BS</span><span class='hs-varop'>.</span><span class='hs-varid'>useAsCString</span> <span class='hs-varid'>inp</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>cstr</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>throwErrnoIfNull</span> <span class='hs-str'>"realpath"</span> <span class='hs-varop'>$</span> <span class='hs-varid'>c_realpath</span> <span class='hs-varid'>cstr</span> <span class='hs-varid'>tmp</span>
|
||||
<a name="line-264"></a> <span class='hs-conid'>BS</span><span class='hs-varop'>.</span><span class='hs-varid'>packCString</span> <span class='hs-varid'>tmp</span>
|
||||
</pre></body>
|
||||
</html>
|
||||
|
||||
Reference in New Issue
Block a user