/**
* Static method to initialize the plugin
*
* @param type $params Plugin parameters
*/
public static function optimize($oParams, $sHtml)
{
if (version_compare(PHP_VERSION, '5.3.0', '<')) {
throw new Exception('PHP Version less than 5.3.0. Exiting plugin...');
}
$pcre_version = preg_replace('#(^\\d++\\.\\d++).++$#', '$1', PCRE_VERSION);
if (version_compare($pcre_version, '7.2', '<')) {
throw new Exception('PCRE Version less than 7.2. Exiting plugin...');
}
$JchOptimize = new JchOptimize($oParams);
return $JchOptimize->process($sHtml);
}
/**
*
* @return boolean
* @throws Exception
*/
public function onAfterRender()
{
$app = JFactory::getApplication();
$config = JFactory::getConfig();
$user = JFactory::getUser();
if ($app->getName() != 'site' || JFactory::getDocument()->getType() != 'html' || $app->input->get('jchbackend', '', 'int') == 1 || $config->get('offline') && $user->guest || $this->isEditorLoaded()) {
return FALSE;
}
if ($this->params->get('log', 0)) {
error_reporting(E_ALL & ~E_NOTICE);
}
$sHtml = $app->getBody();
if ($app->input->get('jchbackend') == '2') {
echo $sHtml;
while (@ob_end_flush()) {
}
exit;
}
if (!defined('JCH_VERSION')) {
define('JCH_VERSION', '5.0.5');
}
try {
loadJchOptimizeClass('JchOptimize');
$sOptimizedHtml = JchOptimize::optimize($this->params, $sHtml);
} catch (Exception $ex) {
JchOptimizeLogger::log($ex->getMessage(), JchPlatformSettings::getInstance($this->params));
$sOptimizedHtml = $sHtml;
}
$app->setBody($sOptimizedHtml);
}
function jchoptimize($sHtml)
{
$options = get_option('jch_options');
try {
$sOptimizedHtml = JchOptimize::optimize($options, $sHtml);
} catch (Exception $e) {
JchOptimizeLogger::log($e->getMessage(), JchPlatformSettings::getInstance($options));
$sOptimizedHtml = $sHtml;
}
return $sOptimizedHtml;
}
/**
*
* @return boolean
* @throws Exception
*/
public function onAfterRender()
{
if (JDEBUG && $this->params->get('debug', 0)) {
global $_PROFILER;
$_PROFILER->mark('beforeOnAfterRender plgSystem (JCH Optimize)');
}
if (JFactory::getApplication()->getName() != 'site' || JFactory::getDocument()->getType() != 'html' || JFactory::getApplication()->input->get('jchbackend', '', 'int') == 1 || JFactory::getConfig()->get('offline') && JFactory::getUser()->guest || $this->isEditorLoaded()) {
return FALSE;
}
if ($this->params->get('log', 0)) {
error_reporting(E_ALL & ~E_NOTICE);
}
if (version_compare(JVERSION, '3.2.3', '>=')) {
$oApp = JFactory::getApplication();
$sHtml = $oApp->getBody();
} else {
$sHtml = JResponse::getBody();
}
if (JFactory::getApplication()->input->get('jchbackend') == '2') {
echo $sHtml;
while (@ob_end_flush()) {
}
exit;
}
try {
if (version_compare(PHP_VERSION, '5.3.0', '<')) {
throw new Exception(JText::_('PHP Version less than 5.3.0. Exiting plugin...'));
}
$sOptimizedHtml = JchOptimize::optimize($this->params, $sHtml);
} catch (Exception $ex) {
if ($this->params->get('log', 0)) {
jimport('joomla.log.log');
JLog::addLogger(array('text_file' => 'plg_jch_optimize.errors.php'), JLog::ALL, 'jch-optimize');
JLog::add(JText::_($ex->getMessage()), JLog::WARNING, 'jch-optimize');
}
$sOptimizedHtml = $sHtml;
}
if (version_compare(JVERSION, '3.2.3', '>=')) {
$oApp->setBody($sOptimizedHtml);
} else {
JResponse::setBody($sOptimizedHtml);
}
if (JDEBUG && $this->params->get('debug', 0)) {
$_PROFILER->mark('afterOnAfterRender plgSystem (JCH Optimize)');
}
}
/**
*
* @return boolean
* @throws Exception
*/
public function onAfterRender()
{
if (JDEBUG && $this->params->get('debug', 0)) {
global $_PROFILER;
$_PROFILER->mark('beforeOnAfterRender plgSystem (JCH Optimize)');
}
$app = JFactory::getApplication();
$config = JFactory::getConfig();
$user = JFactory::getUser();
if ($app->getName() != 'site' || JFactory::getDocument()->getType() != 'html' || $app->input->get('jchbackend', '', 'int') == 1 || $config->get('offline') && $user->guest || class_exists('JEditor', FALSE)) {
return FALSE;
}
if ($this->params->get('log', 0)) {
error_reporting(E_ALL & ~E_NOTICE);
}
if (version_compare(JVERSION, '3.2.3', '>=')) {
$sHtml = $app->getBody();
} else {
$sHtml = JResponse::getBody();
}
if ($app->input->get('jchbackend') == '2') {
echo $sHtml;
while (@ob_end_flush()) {
}
exit;
}
try {
loadJchOptimizeClass('JchOptimize');
$sOptimizedHtml = JchOptimize::optimize($this->params, $sHtml);
} catch (Exception $ex) {
JchOptimizeLogger::log($ex->getMessage(), JchPlatformSettings::getInstance($this->params));
$sOptimizedHtml = $sHtml;
}
if (version_compare(JVERSION, '3.2.3', '>=')) {
$app->setBody($sOptimizedHtml);
} else {
JResponse::setBody($sOptimizedHtml);
}
if (JDEBUG && $this->params->get('debug', 0)) {
$_PROFILER->mark('afterOnAfterRender plgSystem (JCH Optimize)');
}
}
/**
* Uses regex to find css declarations containing background images to include in sprite
*
* @param string $sCss Aggregated css file
* @return array Array of css declarations and image urls to replace with sprite
*/
public function processCssUrls($sCss, $bBackend = FALSE)
{
$params = $this->params;
$aRegexStart = array();
$aRegexStart[0] = '
#(?:{
(?=\\s*+(?>[^}\\s:]++[:\\s]++)*?url\\(
(?=[^)]+\\.(?:png|gif|jpe?g))
([^)]+)\\))';
$aRegexStart[1] = '
(?=\\s*+(?>[^}\\s:]++[:\\s]++)*?no-repeat)';
$aRegexStart[2] = '
(?(?=\\s*(?>[^};]++[;\\s]++)*?background(?:-position)?\\s*+:\\s*+(?:[^;}\\s]++[^}\\S]++)*?
(?<p>(?:[tblrc](?:op|ottom|eft|ight|enter)|-?[0-9]+(?:%|[c-x]{2})?))(?:\\s+(?&p))?)
(?=\\s*(?>[^};]++[;\\s]++)*?background(?:-position)?\\s*+:\\s*+(?>[^;}\\s]++[\\s]++)*?
(?:left|top|0(?:%|[c-x]{2})?)\\s+(?:left|top|0(?:%|[c-x]{2})?)
)
)';
$sRegexMiddle = '
[^{}]++} )';
$sRegexEnd = '#isx';
$aIncludeImages = JchOptimize::getArray($params->get('csg_include_images'));
$aExcludeImages = JchOptimize::getArray($params->get('csg_exclude_images'));
$sIncImagesRegex = '';
if (!empty($aIncludeImages[0])) {
foreach ($aIncludeImages as &$sImage) {
$sImage = preg_quote($sImage, '#');
}
$sIncImagesRegex .= '
|(?:{
(?=\\s*+(?>[^}\\s:]++[:\\s]++)*?url';
$sIncImagesRegex .= ' (?=[^)]* [/(](?:' . implode('|', $aIncludeImages) . ')\\))';
$sIncImagesRegex .= '\\(([^)]+)\\)
)
[^{}]++ })';
}
$sExImagesRegex = '';
if (!empty($aExcludeImages[0])) {
$sExImagesRegex .= '(?=\\s*+(?>[^}\\s:]++[:\\s]++)*?url\\(
[^)]++ (?<!';
foreach ($aExcludeImages as &$sImage) {
$sImage = preg_quote($sImage, '#');
}
$sExImagesRegex .= implode('|', $aExcludeImages) . ')\\)
)';
}
$sRegexStart = implode('', $aRegexStart);
$sRegex = $sRegexStart . $sExImagesRegex . $sRegexMiddle . $sIncImagesRegex . $sRegexEnd;
if (preg_match_all($sRegex, $sCss, $aMatches) === FALSE) {
throw new Exception(JText::_('Error occurred matching for images to sprite'));
}
if (isset($aMatches[3])) {
$aMatches[1] = array_merge(array_filter($aMatches[1]), array_filter($aMatches[3]));
}
if ($bBackend) {
$aImages = array();
$aImagesMatches = array();
$aImgRegex = array();
$aImgRegex[0] = $aRegexStart[0];
$aImgRegex[2] = $aRegexStart[1];
$aImgRegex[4] = $sRegexMiddle;
$aImgRegex[5] = $sRegexEnd;
$sImgRegex = implode('', $aImgRegex);
if (preg_match_all($sImgRegex, $sCss, $aImagesMatches) === FALSE) {
throw new Exception(JText::_('Error occurred matching for images to include'));
}
$aImagesMatches[0] = array_diff($aImagesMatches[0], $aMatches[0]);
$aImagesMatches[1] = array_diff($aImagesMatches[1], $aMatches[1]);
$aImages['include'] = $aImagesMatches;
$aImages['exclude'] = $aMatches;
return $aImages;
}
return $aMatches;
}
/**
* Uses regex to find css declarations containing background images to include in sprite
*
* @param string $sCss Aggregated css file
* @return array Array of css declarations and image urls to replace with sprite
*/
public function processCssUrls($sCss, $bBackend = FALSE)
{
//JCH_DEBUG ? JchPlatformProfiler::mark('beforeProcessCssUrls plgSystem (JCH Optimize)') : null;
$params = $this->params;
$aRegexStart = array();
$aRegexStart[0] = '
#(?:{
(?=\\s*+(?>[^}\\s:]++[:\\s]++)*?url\\(
(?=[^)]+\\.(?:png|gif|jpe?g))
([^)]+)\\))';
$aRegexStart[1] = '
(?=\\s*+(?>[^}\\s:]++[:\\s]++)*?no-repeat)';
$aRegexStart[2] = '
(?(?=\\s*(?>[^};]++[;\\s]++)*?background(?:-position)?\\s*+:\\s*+(?:[^;}\\s]++[^}\\S]++)*?
(?<p>(?:[tblrc](?:op|ottom|eft|ight|enter)|-?[0-9]+(?:%|[c-x]{2})?))(?:\\s+(?&p))?)
(?=\\s*(?>[^};]++[;\\s]++)*?background(?:-position)?\\s*+:\\s*+(?>[^;}\\s]++[\\s]++)*?
(?:left|top|0(?:%|[c-x]{2})?)\\s+(?:left|top|0(?:%|[c-x]{2})?)
)
)';
$sRegexMiddle = '
[^{}]++} )';
$sRegexEnd = '#isx';
$aIncludeImages = JchOptimize::getArray($params->get('csg_include_images'));
$aExcludeImages = JchOptimize::getArray($params->get('csg_exclude_images'));
$sIncImagesRegex = '';
if (!empty($aIncludeImages[0])) {
foreach ($aIncludeImages as &$sImage) {
$sImage = preg_quote($sImage, '#');
}
$sIncImagesRegex .= '
|(?:{
(?=\\s*+(?>[^}\\s:]++[:\\s]++)*?url';
$sIncImagesRegex .= ' (?=[^)]* [/(](?:' . implode('|', $aIncludeImages) . ')\\))';
$sIncImagesRegex .= '\\(([^)]+)\\)
)
[^{}]++ })';
}
$sExImagesRegex = '';
if (!empty($aExcludeImages[0])) {
$sExImagesRegex .= '(?=\\s*+(?>[^}\\s:]++[:\\s]++)*?url\\(
[^)]++ (?<!';
foreach ($aExcludeImages as &$sImage) {
$sImage = preg_quote($sImage, '#');
}
$sExImagesRegex .= implode('|', $aExcludeImages) . ')\\)
)';
}
$sRegexStart = implode('', $aRegexStart);
$sRegex = $sRegexStart . $sExImagesRegex . $sRegexMiddle . $sIncImagesRegex . $sRegexEnd;
if (preg_match_all($sRegex, $sCss, $aMatches) === FALSE) {
throw new Exception(JchPlatformUtility::translate('Error occurred matching for images to sprite'));
}
if (isset($aMatches[3])) {
$total = count($aMatches[1]);
for ($i = 0; $i < $total; $i++) {
$aMatches[1][$i] = trim($aMatches[1][$i]) ? $aMatches[1][$i] : $aMatches[3][$i];
}
}
if ($bBackend) {
$aImages = array();
$aImagesMatches = array();
$aImgRegex = array();
$aImgRegex[0] = $aRegexStart[0];
$aImgRegex[2] = $aRegexStart[1];
$aImgRegex[4] = $sRegexMiddle;
$aImgRegex[5] = $sRegexEnd;
$sImgRegex = implode('', $aImgRegex);
if (preg_match_all($sImgRegex, $sCss, $aImagesMatches) === FALSE) {
throw new Exception(JchPlatformUtility::translate('Error occurred matching for images to include'));
}
$aImagesMatches[0] = array_diff($aImagesMatches[0], $aMatches[0]);
$aImagesMatches[1] = array_diff($aImagesMatches[1], $aMatches[1]);
$oCssSpriteGen = new CssSpriteGen($this->getImageLibrary(), $this->params, $bBackend);
$aImages['include'] = $oCssSpriteGen->CreateSprite($aImagesMatches[1]);
$aImages['exclude'] = $oCssSpriteGen->CreateSprite($aMatches[1]);
return $aImages;
}
//JCH_DEBUG ? JchPlatformProfiler::mark('afterProcessCssUrls plgSystem (JCH Optimize)') : null;
return $aMatches;
}
/**
* Generates regex for excluding components set in plugin params
*
* @param string $param
* @return string
*/
protected function getExCompRegex($sExComParam)
{
$aComponents = array_filter(JchOptimize::getArray($sExComParam));
$aExComp = array();
if (!empty($aComponents)) {
$aExComp = array_map(function ($sValue) {
return $sValue . '/';
}, $aComponents);
}
return $aExComp;
}
/**
* Static method to initialize the plugin
*
* @param type $params Plugin parameters
*/
public static function optimize($oParams, $sHtml)
{
$JchOptimize = new JchOptimize($oParams);
return $JchOptimize->process($sHtml);
}
/**
* Static method to initialize the plugin
*
* @param type $params Plugin parameters
*/
public static function optimize()
{
$JchOptimize = new JchOptimize();
$JchOptimize->process();
}