Viewing file:  IgnoredCommentPreserver.php (1.49 KB) -rw-rw-rw-
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<?php
class Minify_IgnoredCommentPreserver {
protected $_replacementHash = '';
protected $_ignoredComments = array();
protected $_placeholders = array();
public function __construct() {
$this->_replacementHash = 'IgnoredCommentPreserver_' . md5(time());
}
public function setIgnoredComments($ignoredComments = array()) {
$this->_ignoredComments = $ignoredComments;
}
public function search(&$html) {
$html = preg_replace_callback('/<!--[\\s\\S]*?-->/', array($this, '_callback'), $html);
}
public function replace(&$html) {
$html = str_replace(array_keys($this->_placeholders), array_values($this->_placeholders), $html);
}
protected function _callback($match) {
list($comment) = $match;
if ($this->_isIgnoredComment($comment)) {
return $this->_reservePlace($comment);
}
return $comment;
}
protected function _isIgnoredComment(&$comment) {
foreach ($this->_ignoredComments as $ignoredComment) {
if (stristr($comment, $ignoredComment) !== false) {
return true;
}
}
return false;
}
protected function _getPlaceholder() {
return '%%' . $this->_replacementHash . '_' . count($this->_placeholders) . '%%';
}
protected function _reservePlace(&$content) {
$placeholder = $this->_getPlaceholder();
$this->_placeholders[$placeholder] = &$content;
return $placeholder;
}
}
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