public static function CheckCacheDir()
{
avada_Less_Cache::$cache_dir = str_replace('\\', '/', avada_Less_Cache::$cache_dir);
avada_Less_Cache::$cache_dir = rtrim(avada_Less_Cache::$cache_dir, '/') . '/';
if (!file_exists(avada_Less_Cache::$cache_dir)) {
if (!mkdir(avada_Less_Cache::$cache_dir)) {
throw new Less_Exception_Parser('Less.php cache directory couldn\'t be created: ' . avada_Less_Cache::$cache_dir);
}
} elseif (!is_dir(avada_Less_Cache::$cache_dir)) {
throw new Less_Exception_Parser('Less.php cache directory doesn\'t exist: ' . avada_Less_Cache::$cache_dir);
} elseif (!is_writable(avada_Less_Cache::$cache_dir)) {
throw new Less_Exception_Parser('Less.php cache directory isn\'t writable: ' . avada_Less_Cache::$cache_dir);
}
}
/**
* Return the results of parsePrimary for $file_path
* Use cache and save cached results if possible
*
* @param string|null $file_path
*/
private function GetRules($file_path)
{
$this->SetInput($file_path);
$cache_file = $this->CacheFile($file_path);
if ($cache_file) {
if (avada_Less_Parser::$options['cache_method'] == 'callback') {
if (is_callable(avada_Less_Parser::$options['cache_callback_get'])) {
$cache = call_user_func_array(avada_Less_Parser::$options['cache_callback_get'], array($this, $file_path, $cache_file));
if ($cache) {
$this->UnsetInput();
return $cache;
}
}
} elseif (file_exists($cache_file)) {
switch (avada_Less_Parser::$options['cache_method']) {
// Using serialize
// Faster but uses more memory
case 'serialize':
$cache = unserialize(file_get_contents($cache_file));
if ($cache) {
touch($cache_file);
$this->UnsetInput();
return $cache;
}
break;
// Using generated php code
// Using generated php code
case 'var_export':
case 'php':
$this->UnsetInput();
return include $cache_file;
}
}
}
$rules = $this->parsePrimary();
if ($this->pos < $this->input_len) {
throw new Avada_Less_Exception_Chunk($this->input, null, $this->furthest, $this->env->currentFileInfo);
}
$this->UnsetInput();
//save the cache
if ($cache_file) {
if (avada_Less_Parser::$options['cache_method'] == 'callback') {
if (is_callable(avada_Less_Parser::$options['cache_callback_set'])) {
call_user_func_array(avada_Less_Parser::$options['cache_callback_set'], array($this, $file_path, $cache_file, $rules));
}
} else {
//msg('write cache file');
switch (avada_Less_Parser::$options['cache_method']) {
case 'serialize':
file_put_contents($cache_file, serialize($rules));
break;
case 'php':
file_put_contents($cache_file, '<?php return ' . self::ArgString($rules) . '; ?>');
break;
case 'var_export':
//Requires __set_state()
file_put_contents($cache_file, '<?php return ' . var_export($rules, true) . '; ?>');
break;
}
avada_Less_Cache::CleanCache();
}
}
return $rules;
}
