/**
* Stash a reference to the controller on each instantiation
* and install conversion helpers
*
* @param (class) control: CSSCompression Controller
*/
public function __construct(CSSCompression_Control $control)
{
$this->Control = $control;
$this->options =& $control->Option->options;
if (!self::$color2hex) {
foreach (self::$files as $v => $file) {
self::${$v} = CSSCompression::getJSON($file);
}
}
}
/**
* Handle $data, and return the results.
*
* @param string data The data to handle.
* @return string
* @access public
*/
public function input($data, $options = array())
{
$default_options = array('minify' => true);
$result = null;
$options = array_merge($default_options, $options);
try {
if (strpos($data, NL) === false && is_file($data)) {
$data = file_get_contents($data);
if ($data === false) {
throw new \Exception('Could not load CSS: ' . $data);
}
}
require_once CURATOR_APP_DIR . DS . 'Vendors' . DS . 'css-compressor' . DS . 'dist' . DS . 'src' . DS . 'CSSCompression.php';
$result = \CSSCompression::express($data, 'sane');
} catch (\Exception $e) {
\Curator\Console::stderr('** Could not handle CSS data:');
\Curator\Console::stderr(' ' . $e->getMessage());
}
return $result;
}
/**
* Extend like function to merge an array of preferences into
* the options array.
*
* @param (mixed) options: Array of preferences to merge into options
*/
public function merge($options = array())
{
$modes = CSSCompression::modes();
if ($options && is_array($options) && count($options)) {
$this->Control->mode = $this->custom;
foreach ($this->options as $key => $value) {
if (!isset($options[$key])) {
continue;
} else {
if (strtolower($options[$key]) == 'on') {
$this->options[$key] = true;
} else {
if (strtolower($options[$key]) == 'off') {
$this->options[$key] = false;
} else {
$this->options[$key] = intval($options[$key]);
}
}
}
}
} else {
if ($options && is_string($options) && array_key_exists($options, $modes)) {
$this->Control->mode = $options;
// Default all to true, the mode has to force false
foreach ($this->options as $key => $value) {
if ($key != 'readability') {
$this->options[$key] = true;
}
}
// Merge mode into options
foreach ($modes[$options] as $key => $value) {
$this->options[$key] = $value;
}
}
}
return $this->options;
}
/**
* The Singleton access method (for those that want it)
*
* @param (string) name: Name of the stored instance
*/
public static function getInstance($name = NULL)
{
if ($name !== NULL) {
if (!isset(self::$instances[$name])) {
self::$instances[$name] = new self();
}
return self::$instances[$name];
} else {
if (!self::$instance) {
self::$instance = new self();
}
}
return self::$instance;
}
protected static function compressFiles()
{
ini_set('max_execution_time', 120);
self::$_mincode['js'] = '';
self::$_mincode['css'] = '';
$curl = new CURLRequest();
$css = new CSSCompression();
$css->option('readability', CSSCompression::READ_NONE);
$css->option('mode', self::$_opt['cssLevel']);
foreach (self::$_files as $file) {
$code = $file['data'];
$hash = md5($code);
$cache = self::$_cacheDir . $hash;
if (file_exists($cache) === true) {
self::$_mincode[$file['ext']] .= file_get_contents($cache);
} else {
if (self::$_opt['compressCode'] === false) {
self::$_mincode[$file['ext']] .= $code;
} else {
if ($file['ext'] === 'js') {
if (self::$_opt['useLocalJS'] === false) {
if (strlen($code) / 1000 / 1000 > 1) {
$file = basename($file['path']);
$msg = '%s is bigger than 1000kB,';
$msg .= ' split the code into multiple files or';
$msg .= ' enable local compression for javascript.';
$msg = sprintf($msg, $file);
throw new Exception($msg);
}
$post = array('js_code' => $code, 'compilation_level' => 'SIMPLE_OPTIMIZATIONS', 'output_format' => 'json');
// Workaround to allow multiple output_info in query.
$post = http_build_query($post);
$post .= '&output_info=errors&output_info=compiled_code';
$return = $curl->get('http://closure-compiler.appspot.com/compile', array(CURLOPT_RETURNTRANSFER => true, CURLOPT_POSTFIELDS => $post, CURLOPT_POST => true));
$data = json_decode($return['content'], true);
if (isset($data['errors']) === true || isset($data['serverErrors']) === true) {
$error = $data['errors'][0]['error'];
$file = basename($file['path']);
$line = $data['errors'][0]['lineno'];
$msg = 'Web Service returned %s in %s on line %u.';
$msg = sprintf($msg, $error, $file, $line);
throw new Exception($msg);
} else {
if (isset($data['compiledCode']) === true) {
$code = $data['compiledCode'];
self::$_mincode[$file['ext']] .= $code;
file_put_contents($cache, $code);
} else {
throw new Exception('An unknown error has occured.');
}
}
//end if
}
//end if
} else {
if ($file['ext'] === 'css') {
$code = trim($css->compress($code));
self::$_mincode[$file['ext']] .= $code;
file_put_contents($cache, $code);
}
}
//end if
}
//end if
}
//end if
}
//end foreach
}
