Files
faveo/vendor/gitonomy/gitlib/src/Gitonomy/Git/Parser/DiffParser.php
2019-04-19 14:37:37 +05:30

134 lines
4.8 KiB
PHP

<?php
/**
* This file is part of Gitonomy.
*
* (c) Alexandre Salomé <alexandre.salome@gmail.com>
* (c) Julien DIDIER <genzo.wm@gmail.com>
*
* This source file is subject to the MIT license that is bundled
* with this source code in the file LICENSE.
*/
namespace Gitonomy\Git\Parser;
use Gitonomy\Git\Diff\File;
use Gitonomy\Git\Diff\FileChange;
class DiffParser extends ParserBase
{
public $files;
protected function doParse()
{
$this->files = array();
while (!$this->isFinished()) {
// 1. title
$vars = $this->consumeRegexp('/diff --git (a\/.*) (b\/.*)\n/');
$oldName = $vars[1];
$newName = $vars[2];
$oldIndex = null;
$newIndex = null;
$oldMode = null;
$newMode = null;
// 2. mode
if ($this->expects('new file mode ')) {
$newMode = $this->consumeTo("\n");
$this->consumeNewLine();
$oldMode = null;
}
if ($this->expects('old mode ')) {
$oldMode = $this->consumeTo("\n");
$this->consumeNewLine();
$this->consume('new mode ');
$newMode = $this->consumeTo("\n");
$this->consumeNewLine();
}
if ($this->expects('deleted file mode ')) {
$oldMode = $this->consumeTo("\n");
$newMode = null;
$this->consumeNewLine();
}
if ($this->expects('similarity index ')) {
$this->consumeRegexp('/\d{1,3}%\n/');
$this->consume('rename from ');
$this->consumeTo("\n");
$this->consumeNewLine();
$this->consume('rename to ');
$this->consumeTo("\n");
$this->consumeNewLine();
}
// 4. File informations
$isBinary = false;
if ($this->expects('index ')) {
$oldIndex = $this->consumeShortHash();
$this->consume('..');
$newIndex = $this->consumeShortHash();
if ($this->expects(' ')) {
$vars = $this->consumeRegexp('/\d{6}/');
$newMode = $oldMode = $vars[0];
}
$this->consumeNewLine();
if ($this->expects('--- ')) {
$oldName = $this->consumeTo("\n");
$this->consumeNewLine();
$this->consume('+++ ');
$newName = $this->consumeTo("\n");
$this->consumeNewLine();
} elseif ($this->expects('Binary files ')) {
$vars = $this->consumeRegexp('/(.*) and (.*) differ\n/');
$isBinary = true;
$oldName = $vars[1];
$newName = $vars[2];
}
}
$oldName = $oldName === '/dev/null' ? null : substr($oldName, 2);
$newName = $newName === '/dev/null' ? null : substr($newName, 2);
$oldIndex = preg_match('/^0+$/', $oldIndex) ? null : $oldIndex;
$newIndex = preg_match('/^0+$/', $newIndex) ? null : $newIndex;
$file = new File($oldName, $newName, $oldMode, $newMode, $oldIndex, $newIndex, $isBinary);
// 5. Diff
while ($this->expects('@@ ')) {
$vars = $this->consumeRegexp('/-(\d+)(?:,(\d+))? \+(\d+)(?:,(\d+))?/');
$rangeOldStart = $vars[1];
$rangeOldCount = $vars[2];
$rangeNewStart = $vars[3];
$rangeNewCount = isset($vars[4]) ? $vars[4] : $vars[2]; // @todo Ici, t'as pris un gros raccourci mon loulou
$this->consume(' @@');
$this->consumeTo("\n");
$this->consumeNewLine();
// 6. Lines
$lines = array();
while (true) {
if ($this->expects(' ')) {
$lines[] = array(FileChange::LINE_CONTEXT, $this->consumeTo("\n"));
} elseif ($this->expects('+')) {
$lines[] = array(FileChange::LINE_ADD, $this->consumeTo("\n"));
} elseif ($this->expects('-')) {
$lines[] = array(FileChange::LINE_REMOVE, $this->consumeTo("\n"));
} elseif ($this->expects("\ No newline at end of file")) {
// Ignore this case...
} else {
break;
}
$this->consumeNewLine();
}
$change = new FileChange($rangeOldStart, $rangeOldCount, $rangeNewStart, $rangeNewCount, $lines);
$file->addChange($change);
}
$this->files[] = $file;
}
}
}