/**
* @param $inputFilename
* @param null $outputFilename
*
* @return string
*
* @todo add typehinting
*/
public function compileFile($inputFilename, $outputFilename = null)
{
if (!$this->prepareEnvironment($inputFilename)) {
return $inputFilename;
}
if ($outputFilename === null) {
$outputFilename = PATH_site . $this->cachePath . basename($inputFilename);
}
$outputFilenamePathInfo = pathinfo($outputFilename);
$noExtensionFilename = $outputFilename . '-' . hash('crc32b', $inputFilename) . '-' . hash('crc32b', serialize($this->overrides)) . '-' . hash('crc32b', filemtime($inputFilename));
$preparedFilename = $noExtensionFilename . '.' . $outputFilenamePathInfo['extension'];
$cacheFilename = $noExtensionFilename . '.cache';
$outputFilename = $noExtensionFilename . '.css';
$this->inputFilename = $inputFilename;
$this->outputFilename = $outputFilename;
$this->cacheFilename = $cacheFilename;
// exit if a precompiled version already exists
if (file_exists($outputFilename) && (!ApplicationContext::isDevelopmentModeActive() && !$this->config['enableDebugMode'])) {
return $outputFilename;
}
//write intermediate file, if the source has been changed, the rest is done by the cache management
if (@filemtime($preparedFilename) < @filemtime($inputFilename) || $this->_checkIfCompileNeeded($inputFilename)) {
file_put_contents($preparedFilename, $this->_prepareCompile(file_get_contents($inputFilename)));
$fileContent = $this->_postCompile($this->_compileFile($inputFilename, $preparedFilename, $outputFilename, $cacheFilename));
if ($fileContent !== false) {
file_put_contents($outputFilename, $fileContent);
// important for some cache clearing scenarios
if (file_exists($preparedFilename)) {
unlink($preparedFilename);
}
}
}
return $outputFilename;
}
/**
* @return bool
*/
public static function isDevelopmentModeActive()
{
$applicationContext = new ApplicationContext();
return $applicationContext->isDevelopmentApplicationContext() || $applicationContext->isDevelopPresetActive();
}