/**
* Compile the given SASS source
*
* @param Source $source Sass source
* @throws Wikia\Sass\Exception
* @return string CSS stylesheet
*/
public function compile(Source $source)
{
wfProfileIn(__METHOD__);
$tempDir = $this->tempDir ?: sys_get_temp_dir();
//replace \ to / is needed because escapeshellcmd() replace \ into spaces (?!!)
$outputFile = str_replace('\\', '/', tempnam($tempDir, uniqid('Sass')));
$tempDir = str_replace('\\', '/', $tempDir);
$sassVariables = urldecode(http_build_query($this->sassVariables, '', ' '));
$debugMode = $this->useSourceMaps ? '--debug-in' : '';
$hasLocalFile = $source->hasPermanentFile();
$localFile = $source->getLocalFile();
$inputFile = $hasLocalFile ? $localFile : '-s';
$cmd = "{$this->sassExecutable} {$inputFile} {$outputFile} --scss -t {$this->outputStyle} " . "-I {$this->rootDir} {$debugMode} " . "--cache-location {$tempDir}/sass2 -r {$this->rootDir}/extensions/wikia/SASS/wikia_sass.rb {$sassVariables}";
$cmd = escapeshellcmd($cmd) . " 2>&1";
if (!$hasLocalFile) {
$cmd = escapeshellcmd("cat {$localFile}") . " | " . $cmd;
}
$sassOutput = wfShellExec($cmd, $status);
if ($status !== 0) {
// 0 => success
if (file_exists($outputFile)) {
unlink($outputFile);
}
$this->error("SASS rendering failed", ['cmd' => $cmd, 'output' => preg_replace('#\\n\\s+#', ' ', trim($sassOutput)), 'status' => $status]);
throw new Wikia\Sass\Exception("SASS compilation failed: {$sassOutput}\nFull commandline: {$cmd}");
}
$styles = file_get_contents($outputFile);
unlink($outputFile);
if ($styles === false) {
$this->error("Reading SASS file failed", ['input' => $inputFile, 'output' => $outputFile]);
throw new Wikia\Sass\Exception("Reading SASS file failed");
}
wfProfileOut(__METHOD__);
return $styles;
}
/**
* Create Sass source instance associated with regular file
*
* @param $context SassSourceContext Context
* @param $fileName string File path
*/
public function __construct(Context $context, $fileName)
{
if (!is_file($fileName)) {
throw new \Wikia\Sass\Exception(__METHOD__ . ': File is not a regular file: ' . $fileName);
}
parent::__construct($context);
$this->fileName = realpath($fileName);
$this->currentDir = dirname($this->fileName);
$this->humanName = $this->fileName;
}
