/**
* @param $matches
*
* @return string
*/
protected function correctUrl($matches)
{
if (!preg_match('~^(/|http)~', $matches[1])) {
$current_uri = parse_url($this->current_css_url);
$cssRootPath = preg_replace('~/[^/]+\\.css~', '/', $current_uri['path']);
$imagePath = $cssRootPath . $matches[1];
$imagePath = $this->normalize_path($imagePath);
if ($this->options->convert_css_images) {
$fullPath = RokBooster_Compressor_File::getFileLink($imagePath, $this->options->root_url, $this->options->root_path);
$ext = strtolower(pathinfo(basename($fullPath), PATHINFO_EXTENSION));
if (in_array($ext, array('gif', 'jpg', 'jpeg', 'png')) && is_file($fullPath)) {
list(, , , , , , , $size, , $mtime, $ctime, , ) = @stat($fullPath);
// TODO replace size compare with property
if ($size <= $this->options->max_data_uri_image_size) {
$encoded = base64_encode(file_get_contents($fullPath));
$mime = RokBooster_Compressor_File::mime_content_type($fullPath);
$imagePath = sprintf('data:%s;base64,%s', $mime, $encoded);
}
}
}
return 'url(\'' . $imagePath . '\')';
} else {
return $matches[0];
}
}
protected function identifyImageSources()
{
$image_links = pq('img[src]', $this->document);
foreach ($image_links as $image) {
$attribs = pq($image, $this->document)->attr('*');
$src = $attribs['src'];
unset($attribs['src']);
$file = new RokBooster_Compressor_File($src, $this->options->root_url, $this->options->root_path);
$file->setAttributes($attribs);
$ext = strtolower(pathinfo($file->getPath(), PATHINFO_EXTENSION));
$file->setMime(RokBooster_Compressor_File::mime_content_type($file->getPath()));
if (!$file->isExternal() && is_file($file->getPath())) {
list(, , , , , , , $size, , $mtime, $ctime, , ) = @stat($file->getPath());
if ($this->strposArray($src, $this->options->ignored_files) === false && $size <= $this->options->max_data_uri_image_size) {
$this->images[$file->getFile()] = $file;
$group = new RokBooster_Compressor_FileGroup(RokBooster_Compressor_FileGroup::STATE_INCLUDE, $file->getMime());
$group->addItem($file);
$this->imageFileGroups[$file->getFile()] = $group;
}
}
}
foreach ($this->imageFileGroups as $image_file_group) {
if ($image_file_group->getStatus() != RokBooster_Compressor_IGroup::STATE_IGNORE && $this->isOutputExpired($image_file_group, false) && !$this->isBeingRendered($image_file_group)) {
$this->encode_image_file_groups[] = $image_file_group;
$this->setCurrentlyRendering($image_file_group);
}
}
}
protected function encodeFile($fullPath)
{
$encoded = base64_encode(file_get_contents($fullPath));
$mime = RokBooster_Compressor_File::mime_content_type($fullPath);
return sprintf('data:%s;base64,%s', $mime, $encoded);
}
