Viewing file:  Inline.php (2.09 KB) -rw-rw-rw-
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<?php
abstract class Minify_Inline {
protected $_tag = '';
protected $_minifier = null;
protected $_minifierOptions = array();
abstract static function minify($content, $minifier, $options = array());
public function setTag($tag) {
$this->_tag = $tag;
}
public function setMinifier($minifier) {
$this->_minifier = $minifier;
}
public function setMinifierOptions($minifierOptions = array()) {
$this->_minifierOptions = $minifierOptions;
}
public function doMinify($content) {
$search = '/(<' . $this->_tag . '\\b[^>]*?>)([\\s\\S]*?)(<\\/' . $this->_tag . '>)/i';
$content = preg_replace_callback($search, array($this, '_callback'), $content);
return $content;
}
protected function _callback($match) {
list(, $openTag, $content, $closeTag) = $match;
$content = $this->_process($openTag, $content, $closeTag);
return $content;
}
protected function _process($openTag, $content, $closeTag) {
$content = $this->_removeCdata($content);
$content = call_user_func($this->_minifier, $content, $this->_minifierOptions);
if ($this->_needsCdata($content)) {
$content = $this->_wrapCdata($content);
}
$content = $openTag . $content . $closeTag;
return $content;
}
protected function _needsCdata($content) {
return preg_match('/(?:[<&]|\\-\\-|\\]\\]>)/', $content);
}
protected function _removeCdata($content) {
if (false !== strpos($content, '<![CDATA[')) {
$content = str_replace('//<![CDATA[', '', $content);
$content = str_replace('/*<![CDATA[*/', '', $content);
$content = str_replace('<![CDATA[', '', $content);
$content = str_replace('//]]>', '', $content);
$content = str_replace('/*]]>*/', '', $content);
$content = str_replace(']]>', '', $content);
}
return $content;
}
protected function _wrapCdata($content) {
$content = '/*<![CDATA[*/' . $content . '/*]]>*/';
return $content;
}
}
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