Differential D20187 Diff 48214 src/applications/differential/parser/DifferentialChangesetParser.php

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Standalone View

src/applications/differential/parser/DifferentialChangesetParser.php

Show First 20 Lines • Show All 637 Lines • ▼ Show 20 Lines	private function tryCacheStuff() {
}		}
}		}

private function process() {		private function process() {
$changeset = $this->changeset;		$changeset = $this->changeset;

$hunk_parser = new DifferentialHunkParser();		$hunk_parser = new DifferentialHunkParser();
$hunk_parser->parseHunksForLineData($changeset->getHunks());		$hunk_parser->parseHunksForLineData($changeset->getHunks());

		$this->realignDiff($changeset, $hunk_parser);

$hunk_parser->reparseHunksForSpecialAttributes();		$hunk_parser->reparseHunksForSpecialAttributes();

$unchanged = false;		$unchanged = false;
if (!$hunk_parser->getHasAnyChanges()) {		if (!$hunk_parser->getHasAnyChanges()) {
$filetype = $this->changeset->getFileType();		$filetype = $this->changeset->getFileType();
if ($filetype == DifferentialChangeType::FILE_TEXT \|\|		if ($filetype == DifferentialChangeType::FILE_TEXT \|\|
$filetype == DifferentialChangeType::FILE_SYMLINK) {		$filetype == DifferentialChangeType::FILE_SYMLINK) {
$unchanged = true;		$unchanged = true;
▲ Show 20 Lines • Show All 707 Lines • ▼ Show 20 Lines	foreach ($map as $key => $spec) {
return $key;		return $key;
}		}
}		}
}		}

return $key;		return $key;
}		}

		private function realignDiff(
		DifferentialChangeset $changeset,
		DifferentialHunkParser $hunk_parser) {
		// Normalizing and realigning the diff depends on rediffing the files, and
		// we currently need complete representations of both files to do anything
		// reasonable. If we only have parts of the files, skip realignment.

		// We have more than one hunk, so we're definitely missing part of the file.
		$hunks = $changeset->getHunks();
		if (count($hunks) !== 1) {
		return null;
		}

		// The first hunk doesn't start at the beginning of the file, so we're
		// missing some context.
		$first_hunk = head($hunks);
		if ($first_hunk->getOldOffset() != 1 \|\| $first_hunk->getNewOffset() != 1) {
		return null;
		}

		$old_file = $changeset->makeOldFile();
		$new_file = $changeset->makeNewFile();
		if ($old_file === $new_file) {
		// If the old and new files are exactly identical, the synthetic
		// diff below will give us nonsense and whitespace modes are
		// irrelevant anyway. This occurs when you, e.g., copy a file onto
		// itself in Subversion (see T271).
		return null;
		}


		$engine = id(new PhabricatorDifferenceEngine())
		->setNormalize(true);

		$normalized_changeset = $engine->generateChangesetFromFileContent(
		$old_file,
		$new_file);

		$type_parser = new DifferentialHunkParser();
		$type_parser->parseHunksForLineData($normalized_changeset->getHunks());

		$hunk_parser->setNormalized(true);
		$hunk_parser->setOldLineTypeMap($type_parser->getOldLineTypeMap());
		$hunk_parser->setNewLineTypeMap($type_parser->getNewLineTypeMap());
		}


}		}