/**
* Aggregate contents of CSS and JS files
*
* @param array $aUrlArray Array of links of files
* @param string $sType CSS or js
* @return string Aggregarted contents
* @throws Exception
*/
public function combineFiles($aUrlArray, $sType, $oCssParser, $bCssAsync = FALSE)
{
global $_PROFILER;
JCH_DEBUG ? $_PROFILER->mark('beforeCombineFiles - ' . $sType . ' plgSystem (JCH Optimize)') : null;
$sContents = '';
$bAsync = false;
$sAsyncUrl = '';
$oFileRetriever = JchOptimizeFileRetriever::getInstance($this->params);
foreach ($aUrlArray as $aUrl) {
$sContent = '';
if (isset($aUrl['url'])) {
if ($sType == 'js' && $sAsyncUrl != '') {
$sContents .= $this->addCommentedUrl('js', $sAsyncUrl) . 'loadScript("' . $sAsyncUrl . '", function(){}); DELIMITER';
$sAsyncUrl = '';
}
$sPath = $aUrl['path'];
if ($sType == 'js' && $this->loadAsync($aUrl['url'])) {
$sAsyncUrl = $aUrl['url'];
$bAsync = true;
continue;
} else {
if (!JchOptimizeHelper::fileExists($sPath)) {
if ($this->params->get('log', 0)) {
JchOptimizeLogger::log(JText::_('File not found: ' . $sPath));
}
$sFileContents = 'COMMENT_START File does not exist COMMENT_END';
} else {
JCH_DEBUG ? $_PROFILER->mark('beforegetFileContents - ' . $sPath . ' plgSystem (JCH Optimize)') : null;
$sFileContents = $oFileRetriever->getFileContents($sPath);
JCH_DEBUG ? $_PROFILER->mark('afterGetFileContents - ' . $sPath . ' plgSystem (JCH Optimize)') : null;
}
if ($sFileContents === FALSE) {
throw new Exception(JText::_('Failed getting file contents from ' . $sPath));
}
$sContent .= $sFileContents;
unset($sFileContents);
}
} else {
if ($sType == 'js' && $sAsyncUrl != '') {
$sContents .= $this->addCommentedUrl('js', $sAsyncUrl) . 'loadScript("' . $sAsyncUrl . '", function(){' . $this->sLnEnd . $aUrl['content'] . $this->sLnEnd . '});
DELIMITER';
$sAsyncUrl = '';
} else {
$sContent .= $aUrl['content'];
}
}
if ($sType == 'css') {
unset($oCssParser->sCssUrl);
$oCssParser->aUrl = $aUrl;
$sImportContent = preg_replace('#@import\\s(?:url\\()?[\'"]([^\'"]+)[\'"](?:\\))?#', '@import url($1)', $sContent);
if (is_null($sImportContent)) {
if ($this->params->get('log', 0)) {
JchOptimizeLogger::log(JText::_('Error occured trying to parse for @imports in ' . $aUrl['url']));
}
$sImportContent = $sContent;
}
$sContent = $sImportContent;
$sContent = $oCssParser->correctUrl($sContent);
$sContent = $this->replaceImports($sContent, $aUrl);
$sContent = $oCssParser->handleMediaQueries($sContent);
}
if ($sType == 'js' && $sContent != '') {
$sContent = $this->addSemiColon($sContent);
}
$sContent = $this->MinifyContent($sContent, $sType, $aUrl);
$sContents .= $this->addCommentedUrl($sType, $aUrl) . $sContent . 'DELIMITER';
unset($sContent);
}
if ($bAsync) {
$sContents = $this->getLoadScript() . $sContents;
if ($sAsyncUrl != '') {
$sContents .= $this->addCommentedUrl('js', $sAsyncUrl) . 'loadScript("' . $sAsyncUrl . '", function(){}); DELIMITER';
$sAsyncUrl = '';
}
}
JCH_DEBUG ? $_PROFILER->mark('afterCombineFiles - ' . $sType . ' plgSystem (JCH Optimize)') : null;
return $sContents;
}
