85 lines
1.8 KiB
D
85 lines
1.8 KiB
D
// Author: w0rp <devw0rp@gmail.com>
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// Description: This file provides a D program for implementing
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// the stdin-wrapper on Windows.
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import std.algorithm;
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import std.array;
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import std.file;
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import std.process;
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import std.stdio;
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import std.path;
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@safe
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auto createTemporaryFilename(string fileExtension) {
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import std.uuid;
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string filename;
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do {
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const randomPart = randomUUID().toString.replace("-", "_");
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filename = buildPath(tempDir(), "ale_" ~ randomPart ~ fileExtension);
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} while (exists(filename));
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return filename;
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}
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@trusted
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void readStdinToFile(ref File tempFile) {
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stdin.byChunk(4096).copy(tempFile.lockingTextWriter());
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}
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// Expand program names like "csslint" to "csslint.cmd"
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// D is not able to perform this kind of expanstion in spawnProcess
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@safe
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string expandedProgramName(string name) {
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auto extArray = environment["PATHEXT"].split(";");
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foreach(pathDir; environment["PATH"].split(";")) {
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foreach(extension; extArray) {
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const candidate = buildPath(pathDir, name ~ extension);
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if (exists(candidate)) {
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return candidate;
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}
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}
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}
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// We were given a full path for a program name, so use that.
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if (exists(name)) {
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return name;
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}
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return "";
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}
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@trusted
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int runLinterProgram(string[] args) {
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const expandedName = expandedProgramName(args[0]);
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writeln(expandedName);
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if (expandedName) {
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return wait(spawnProcess([expandedName] ~ args[1..$]));
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}
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return 1;
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}
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@safe
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int main(string[] args) {
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const filename = createTemporaryFilename(args[1]);
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auto tempFile = File(filename, "w");
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scope(exit) {
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tempFile.close();
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remove(filename);
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}
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readStdinToFile(tempFile);
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tempFile.close();
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return runLinterProgram(args[2..$] ~ [filename]);
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}
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