protected function to($what, &$out, $until = false, $allowNewline = false)
{
if (is_string($allowNewline)) {
$validChars = $allowNewline;
} else {
$validChars = $allowNewline ? "." : "[^\n]";
}
if (!$this->match('(' . $validChars . '*?)' . GantryLessCompiler::preg_quote($what), $m, !$until)) {
return false;
}
if ($until) {
$this->count -= strlen($what);
}
// give back $what
$out = $m[1];
return true;
}
/**
* @param string $lessfile
* @param bool $cssfile
* @param int $priority
*
* @param array $options
*
* @throws RuntimeException
*/
public function addLess($lessfile, $cssfile = null, $priority = self::DEFAULT_STYLE_PRIORITY, array $options = array())
{
$less_search_paths = array();
// setup the less filename
if (dirname($lessfile) == '.') {
//set up the check for template with plartform based dirs
$less_search_paths = $this->platform->getAvailablePlatformVersions($this->templatePath . '/less');
foreach ($less_search_paths as $less_path) {
if (is_dir($less_path)) {
$search_file = preg_replace('#[/\\\\]+#', '/', $less_path . '/' . $lessfile);
if (is_file($search_file)) {
$lessfile = $search_file;
break;
}
}
}
}
$less_file_md5 = md5($lessfile);
$less_file_path = $this->convertToPath($lessfile);
$less_file_url = $this->convertToUrl($less_file_path);
// abort if the less file isnt there
if (!is_file($less_file_path)) {
return;
}
// get an md5 sum of any passed in options
$tmp_options = $options;
array_walk($tmp_options, create_function('&$v,$k', '$v = " * @".$k." = " .$v;'));
$options_string = implode($tmp_options, "\n");
$options_md5 = md5($options_string . (string) $this->get('less-compression', true));
$css_append = '';
if (!empty($options)) {
$css_append = '-' . $options_md5;
}
$default_compiled_css_dir = $this->templatePath . '/css-compiled';
if (!file_exists($default_compiled_css_dir)) {
@JFolder::create($default_compiled_css_dir);
if (!file_exists($default_compiled_css_dir)) {
throw new Exception(sprintf('Unable to create default directory (%s) for compiled less files. Please check your filesystem permissions.', $default_compiled_css_dir));
}
}
// setup the output css file name
if (is_null($cssfile)) {
$css_file_path = $default_compiled_css_dir . '/' . pathinfo($lessfile, PATHINFO_FILENAME) . $css_append . '.css';
$css_passed_path = pathinfo($css_file_path, PATHINFO_BASENAME);
} else {
if (dirname($cssfile) == '.') {
$css_file_path = $default_compiled_css_dir . '/' . pathinfo($cssfile, PATHINFO_FILENAME) . $css_append . '.css';
$css_passed_path = pathinfo($css_file_path, PATHINFO_BASENAME);
} else {
$css_file_path = dirname($this->convertToPath($cssfile)) . '/' . pathinfo($cssfile, PATHINFO_FILENAME) . $css_append . '.css';
$css_passed_path = $css_file_path;
}
}
$cssfile_md5 = md5($css_file_path);
// set base compile modes
$force_compile = false;
$single_compile = false;
$app = JFactory::getApplication();
if (!$app->isAdmin()) {
$cachegroup = self::LESS_SITE_CACHE_GROUP;
} else {
$cachegroup = self::LESS_ADMIN_CACHE_GROUP;
}
$runcompile = false;
$cache_handler = GantryCache::getCache($cachegroup, null, true);
$cached_less_compile = $cache_handler->get($cssfile_md5, false);
if ($cached_less_compile === false || !file_exists($css_file_path)) {
$cached_less_compile = $less_file_path;
$runcompile = true;
} elseif (is_array($cached_less_compile) && isset($cached_less_compile['root'])) {
if (isset($cached_less_compile['files']) and is_array($cached_less_compile['files'])) {
foreach ($cached_less_compile['files'] as $fname => $ftime) {
if (!file_exists($fname) or filemtime($fname) > $ftime) {
// One of the files we knew about previously has changed
// so we should look at our incoming root again.
$runcompile = true;
break;
}
}
}
}
if ($runcompile) {
gantry_import('core.utilities.gantrylesscompiler');
$quick_expire_cache = GantryCache::getCache($cachegroup, $this->get('less-compilewait', self::LESS_MAX_COMPILE_WAIT_TIME));
$timewaiting = 0;
while ($quick_expire_cache->get($cssfile_md5 . '-compiling') !== false) {
$wait = 100000;
// 1/10 of a second;
usleep($wait);
$timewaiting += $wait;
if ($timewaiting >= $this->get('less-compilewait', self::LESS_MAX_COMPILE_WAIT_TIME) * 1000000) {
break;
}
}
$less = new GantryLessCompiler();
$less->setImportDir($less_search_paths);
$less->addImportDir($this->gantryPath . '/assets');
if (!empty($options)) {
$less->setVariables($options);
}
if ($this->get('less-compression', true)) {
$less->setFormatter("compressed");
}
$quick_expire_cache->set($cssfile_md5 . '-compiling', true);
try {
$new_cache = $less->cachedCompile($cached_less_compile, $force_compile);
} catch (Exception $ex) {
$quick_expire_cache->clear($cssfile_md5 . '-compiling');
throw new RuntimeException('Less Parse Error: ' . $ex->getMessage());
}
if (!is_array($cached_less_compile) || $new_cache['updated'] > $cached_less_compile['updated']) {
$cache_handler->set($cssfile_md5, $new_cache);
$tmp_ouput_file = tempnam(dirname($css_file_path), 'gantry_less');
$header = '';
if ($this->get('less-debugheader', false)) {
$header .= sprintf("/*\n * Main File : %s", str_replace(JURI::root(true), '', $less_file_url));
if (!empty($options)) {
$header .= sprintf("\n * Variables :\n %s", $options_string);
}
if (count($new_cache['files']) > 1) {
$included_files = array_keys($new_cache['files']);
unset($included_files[0]);
array_walk($included_files, create_function('&$v,$k', 'global $gantry;$v=" * ".$gantry->convertToUrl($v);'));
$header .= sprintf("\n * Included Files : \n%s", implode("\n", str_replace(JURI::root(true), '', $included_files)));
}
$header .= "\n */\n";
}
file_put_contents($tmp_ouput_file, $header . $new_cache['compiled']);
// Do the messed up file renaming for windows
if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
$move_old_file_name = tempnam(dirname($css_file_path), 'gantry_less');
if (is_file($css_file_path)) {
@rename($css_file_path, $move_old_file_name);
}
@rename($tmp_ouput_file, $css_file_path);
@unlink($move_old_file_name);
} else {
@rename($tmp_ouput_file, $css_file_path);
}
JPath::setPermissions($css_file_path);
}
$quick_expire_cache->clear($cssfile_md5 . '-compiling');
}
$this->addStyle($css_passed_path, $priority);
if (!empty($css_append) && !is_null($cssfile) && dirname($cssfile) == '.') {
$this->addStyle($cssfile, $priority);
}
}