/**
* Callback function used to remove urls of css and js files in head tags
*
* @param array $aMatches Array of all matches
* @return string Returns the url if excluded, empty string otherwise
*/
public function replaceScripts($aMatches, $aCBArgs)
{
$sUrl = $aMatches['url'] = isset($aMatches[1]) && $aMatches[1] != '' ? $aMatches[1] : (isset($aMatches[3]) ? $aMatches[3] : '');
$sDeclaration = isset($aMatches[2]) && $aMatches[2] != '' ? $aMatches[2] : (isset($aMatches[4]) ? $aMatches[4] : '');
if (preg_match('#^<!--#', $aMatches[0]) || JchOptimizeUrl::isInvalid($sUrl) && trim($sDeclaration) == '') {
return $aMatches[0];
}
$sType = preg_match('#^<script#i', $aMatches[0]) ? 'js' : 'css';
if ($sType == 'js' && !$this->params->get('javascript', '1')) {
return $aMatches[0];
}
if ($sType == 'css' && !$this->params->get('css', '1')) {
return $aMatches[0];
}
$this->bPreserveOrder = (bool) (!($sType == 'css' && $this->params->get('pro_optimizeCssDelivery_enable', '0') || $this->params->get('bottom_js', '0') || $sType == 'js' && $this->params->get('bottom_js', '0') == '1'));
$aExcludes = array();
if (isset($aCBArgs['excludes'])) {
$aExcludes = $aCBArgs['excludes'];
}
$aRemovals = array();
if (isset($aCBArgs['removals'])) {
$aRemovals = $aCBArgs['removals'];
}
$sMedia = '';
if ($sType == 'css' && preg_match('#media=(?(?=["\'])(?:["\']([^"\']+))|(\\w+))#i', $aMatches[0], $aMediaTypes) > 0) {
$sMedia .= $aMediaTypes[1] ? $aMediaTypes[1] : $aMediaTypes[2];
}
switch (TRUE) {
case $sUrl != '' && !$this->isHttpAdapterAvailable($sUrl):
case $sUrl != '' && JchOptimizeUrl::isSSL($sUrl) && !extension_loaded('openssl'):
case $sUrl != '' && !JchOptimizeUrl::isHttpScheme($sUrl):
case $sUrl != '' && !empty($aExcludes[$sType]) && JchOptimizeHelper::findExcludes($aExcludes[$sType], $sUrl):
case $sDeclaration != '' && $this->excludeDeclaration($sType):
case $sDeclaration != '' && JchOptimizeHelper::findExcludes($aExcludes[$sType . '_script'], $sDeclaration, $sType):
case $sUrl != '' && $this->excludeExternalExtensions($sUrl):
$this->{'bExclude_' . $sType} = TRUE;
return $aMatches[0];
case $sUrl != '' && $this->isDuplicated($sUrl):
case $sUrl != '' && !empty($aRemovals[$sType]) && JchOptimizeHelper::findExcludes($aRemovals[$sType], $sUrl):
return '';
default:
$return = '';
if ($this->{'bExclude_' . $sType} && $this->bPreserveOrder) {
$this->{'bExclude_' . $sType} = FALSE;
$iIndex = ++$this->{'iIndex_' . $sType};
$return = '<JCH_' . strtoupper($sType) . $iIndex . '>';
} elseif (!$this->bPreserveOrder) {
$iIndex = 0;
} else {
$iIndex = $this->{'iIndex_' . $sType};
}
$array = array();
$array['match'] = $aMatches[0];
if ($sUrl == '' && trim($sDeclaration) != '') {
$content = JchOptimize\HTML_Optimize::cleanScript($sDeclaration, $sType);
$array['content'] = $content;
} else {
$array['url'] = $sUrl;
}
if ($this->sFileHash != '') {
$array['id'] = $this->getFileID($aMatches);
}
if ($sType == 'css') {
$array['media'] = $sMedia;
}
$this->aLinks[$sType][$iIndex][] = $array;
return $return;
}
}
/**
*
* @param type $aImgs
*/
public function getCachedImgAttributes($aImgs)
{
$aImgAttributes = array();
$total = count($aImgs[0]);
for ($i = 0; $i < $total; $i++) {
$sUrl = !empty($aImgs[1][$i]) ? $aImgs[1][$i] : (!empty($aImgs[2][$i]) ? $aImgs[2][$i] : $aImgs[3][$i]);
if (JchOptimizeUrl::isInvalid($sUrl) || !$this->oParser->isHttpAdapterAvailable($sUrl) || JchOptimizeUrl::isSSL($sUrl) && !extension_loaded('openssl') || !JchOptimizeUrl::isHttpScheme($sUrl)) {
$aImgAttributes[] = $aImgs[0][$i];
continue;
}
$sPath = JchOptimizeHelper::getFilePath($sUrl);
if (file_exists($sPath)) {
$aSize = getimagesize($sPath);
if ($aSize === false || empty($aSize) || $aSize[0] == '1' && $aSize[1] == '1') {
$aImgAttributes[] = $aImgs[0][$i];
continue;
}
$sImg = preg_replace('#(?:width|height)\\s*+=(?:\\s*+"([^">]*+)"|\\s*+\'([^\'>]*+)\'|([^\\s>]++))#i', '', $aImgs[0][$i]);
$aImgAttributes[] = preg_replace('#\\s*+/?>#', ' ' . $aSize[3] . ' />', $sImg);
} else {
$aImgAttributes[] = $aImgs[0][$i];
continue;
}
}
return $aImgAttributes;
}
