/**
* singleton
*
* @return WUMDiffMatchPatchWrapper
*/
public static function getInstance()
{
if (self::$instance == null) {
self::$instance = new self();
}
return self::$instance;
}
/**
* Apply patches and compute merge faults
*
* @param array $patches
* @param string $text
* @return array
*/
private function applyPatches($patches, $text)
{
$dmp = WUMDiffMatchPatchWrapper::getInstance();
global $wumMatchDistance;
$dmp->Match_Distance = $wumMatchDistance;
$result = $dmp->patch_apply($text, $patches);
$mergeFaults = array();
for ($i = 0; $i < count($result[1]); $i++) {
if (!$result[1][$i]) {
$mergeFaults[] = $patches[$i];
}
}
return array('mergedText' => $result[0], 'mergeFaults' => $mergeFaults);
}
