/**
* get all css files added for the theme
* this process compile - merge css files base if theme configuration enable compression
*/
public function getCssLinks()
{
$config = $this->config->get('themecontrol');
$compress = $config['enable_compress_css'];
/** ENABLE DEVELOPMENT MODE s**/
if (isset($config['enable_development_mode']) && $config['enable_development_mode']) {
$compress = false;
}
/** ENABLE COMPRESSION MODE **/
if (trim($compress) && $this->_themeDir && is_dir($this->_themeDir)) {
$excludes = explode(",", $config['exclude_css_files']);
$output = array();
require_once $this->_themeDir . '/development/libs/cache.php';
require_once $this->_themeDir . '/development/libs/csscompressor.php';
$pcache = new PavCache();
$pcache->setExtension('css');
if ($compress == 'compress-merge') {
$siteURL = HTTP_SERVER;
$all = '';
$aKey = md5(serialize($this->_cssFiles) . serialize($excludes));
if (!$pcache->isExisted($aKey)) {
foreach ($this->_cssFiles as $key => $file) {
$css = preg_match("#^http#", $file['href']) ? $file['href'] : $siteURL . $file['href'];
$t = explode("/", $css);
$content = file_get_contents($css);
if (!in_array($t[count($t) - 1], $excludes)) {
if (!empty($content)) {
$content = PavoCompressHelper::process($content, $css);
}
}
$all .= $content;
}
$pcache->set($aKey, $all);
}
$_cssFiles = array();
if ($excludes) {
foreach ($this->_cssFiles as $key => $file) {
$css = $file['href'];
$t = explode("/", $css);
if (in_array($t[count($t) - 1], $excludes)) {
$_cssFiles[$key] = $file;
}
}
}
$_cssFiles[$aKey] = array('rel' => 'stylesheet', 'href' => PAV_SUB_PATH . $aKey . ".css", 'media' => '');
$this->_cssFiles = $_cssFiles;
$output = $this->_cssFiles;
} else {
$siteURL = HTTP_SERVER;
foreach ($this->_cssFiles as $key => $file) {
$css = preg_match("#^http#", $file['href']) ? $file['href'] : $siteURL . $file['href'];
$t = explode("/", $css);
if (!in_array($t[count($t) - 1], $excludes)) {
$content = file_get_contents($css);
if (!empty($content)) {
if (!$pcache->isExisted(md5($key))) {
$content = PavoCompressHelper::process($content, $css);
$pcache->set(md5($key), $content);
}
$this->_cssFiles[$key]['href'] = PAV_SUB_PATH . md5($key) . ".css";
} else {
unset($this->_cssFiles[$key]);
}
}
}
$output = $this->_cssFiles;
}
return $output;
}
return $this->_cssFiles;
}
/**
* read including less file and compiles those files in target folder.
*/
protected function _rcomplie($file, $lessDir, $lessTarget)
{
$less = new lessc();
$content = file_get_contents($file);
$content = preg_replace('!/\\*[^*]*\\*+([^/][^*]*\\*+)*/!', '', $content);
preg_match_all('#^\\s*@import\\s+"([^"]*)"#im', $content, $matches);
if (isset($matches[1]) && ($lessFiles = $matches[1])) {
$mixs = '';
$vars = '';
$lastTime = '';
foreach ($lessFiles as $lessFile) {
if (preg_match("#mixins#", $lessFile)) {
$content = file_get_contents($lessDir . $lessFile);
$mixs .= $content;
}
if (preg_match("#vars#", $lessFile)) {
$content = file_get_contents($lessDir . $lessFile);
$vars .= $content;
}
}
$mixvars = $mixs . "\r\n" . $vars;
foreach ($lessFiles as $lessFile) {
if (preg_match("#mixins#", $lessFile)) {
continue;
}
if (!preg_match("#vars#", $lessFile) && file_exists($lessDir . $lessFile)) {
$content = file_get_contents($lessDir . $lessFile);
$cssURL = $this->themeURL . str_replace($this->_lessAppFolder . '/', '', str_replace('\\', '/', $lessFile));
$lessFile = str_replace("../", "", $lessFile);
$expfile = str_replace('/', '-', $lessFile);
$expfile = str_replace(".less", "-less.css", $expfile);
$isChange = true;
/* check this file have any changes based on file time */
if ($this->hasChange($lessDir . $lessFile, $lessTarget . $expfile)) {
$out = $less->compile($mixvars . "\r\n" . $content);
$out = PavoCompressHelper::replaceURL($out, $cssURL);
$aa = file_put_contents($lessTarget . $expfile, $out);
}
$this->addCss($this->_lessDevURL . $expfile . '?r=' . rand(1, 9));
}
}
/* end foreach */
}
}