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Diffstat (limited to 'vendors/min/lib/Minify/HTML.php')
| -rw-r--r-- | vendors/min/lib/Minify/HTML.php | 245 |
1 files changed, 0 insertions, 245 deletions
diff --git a/vendors/min/lib/Minify/HTML.php b/vendors/min/lib/Minify/HTML.php deleted file mode 100644 index fb5c1e982..000000000 --- a/vendors/min/lib/Minify/HTML.php +++ /dev/null @@ -1,245 +0,0 @@ -<?php -/** - * Class Minify_HTML - * @package Minify - */ - -/** - * Compress HTML - * - * This is a heavy regex-based removal of whitespace, unnecessary comments and - * tokens. IE conditional comments are preserved. There are also options to have - * STYLE and SCRIPT blocks compressed by callback functions. - * - * A test suite is available. - * - * @package Minify - * @author Stephen Clay <steve@mrclay.org> - */ -class Minify_HTML { - - /** - * "Minify" an HTML page - * - * @param string $html - * - * @param array $options - * - * 'cssMinifier' : (optional) callback function to process content of STYLE - * elements. - * - * 'jsMinifier' : (optional) callback function to process content of SCRIPT - * elements. Note: the type attribute is ignored. - * - * 'xhtml' : (optional boolean) should content be treated as XHTML1.0? If - * unset, minify will sniff for an XHTML doctype. - * - * @return string - */ - public static function minify($html, $options = array()) { - $min = new Minify_HTML($html, $options); - return $min->process(); - } - - - /** - * Create a minifier object - * - * @param string $html - * - * @param array $options - * - * 'cssMinifier' : (optional) callback function to process content of STYLE - * elements. - * - * 'jsMinifier' : (optional) callback function to process content of SCRIPT - * elements. Note: the type attribute is ignored. - * - * 'xhtml' : (optional boolean) should content be treated as XHTML1.0? If - * unset, minify will sniff for an XHTML doctype. - * - * @return null - */ - public function __construct($html, $options = array()) - { - $this->_html = str_replace("\r\n", "\n", trim($html)); - if (isset($options['xhtml'])) { - $this->_isXhtml = (bool)$options['xhtml']; - } - if (isset($options['cssMinifier'])) { - $this->_cssMinifier = $options['cssMinifier']; - } - if (isset($options['jsMinifier'])) { - $this->_jsMinifier = $options['jsMinifier']; - } - } - - - /** - * Minify the markeup given in the constructor - * - * @return string - */ - public function process() - { - if ($this->_isXhtml === null) { - $this->_isXhtml = (false !== strpos($this->_html, '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML')); - } - - $this->_replacementHash = 'MINIFYHTML' . md5($_SERVER['REQUEST_TIME']); - $this->_placeholders = array(); - - // replace SCRIPTs (and minify) with placeholders - $this->_html = preg_replace_callback( - '/(\\s*)(<script\\b[^>]*?>)([\\s\\S]*?)<\\/script>(\\s*)/i' - ,array($this, '_removeScriptCB') - ,$this->_html); - - // replace STYLEs (and minify) with placeholders - $this->_html = preg_replace_callback( - '/\\s*(<style\\b[^>]*?>)([\\s\\S]*?)<\\/style>\\s*/i' - ,array($this, '_removeStyleCB') - ,$this->_html); - - // remove HTML comments (not containing IE conditional comments). - $this->_html = preg_replace_callback( - '/<!--([\\s\\S]*?)-->/' - ,array($this, '_commentCB') - ,$this->_html); - - // replace PREs with placeholders - $this->_html = preg_replace_callback('/\\s*(<pre\\b[^>]*?>[\\s\\S]*?<\\/pre>)\\s*/i' - ,array($this, '_removePreCB') - ,$this->_html); - - // replace TEXTAREAs with placeholders - $this->_html = preg_replace_callback( - '/\\s*(<textarea\\b[^>]*?>[\\s\\S]*?<\\/textarea>)\\s*/i' - ,array($this, '_removeTextareaCB') - ,$this->_html); - - // trim each line. - // @todo take into account attribute values that span multiple lines. - $this->_html = preg_replace('/^\\s+|\\s+$/m', '', $this->_html); - - // remove ws around block/undisplayed elements - $this->_html = preg_replace('/\\s+(<\\/?(?:area|base(?:font)?|blockquote|body' - .'|caption|center|cite|col(?:group)?|dd|dir|div|dl|dt|fieldset|form' - .'|frame(?:set)?|h[1-6]|head|hr|html|legend|li|link|map|menu|meta' - .'|ol|opt(?:group|ion)|p|param|t(?:able|body|head|d|h||r|foot|itle)' - .'|ul)\\b[^>]*>)/i', '$1', $this->_html); - - // remove ws outside of all elements - $this->_html = preg_replace_callback( - '/>([^<]+)</' - ,array($this, '_outsideTagCB') - ,$this->_html); - - // use newlines before 1st attribute in open tags (to limit line lengths) - $this->_html = preg_replace('/(<[a-z\\-]+)\\s+([^>]+>)/i', "$1\n$2", $this->_html); - - // fill placeholders - $this->_html = str_replace( - array_keys($this->_placeholders) - ,array_values($this->_placeholders) - ,$this->_html - ); - return $this->_html; - } - - protected function _commentCB($m) - { - return (0 === strpos($m[1], '[') || false !== strpos($m[1], '<![')) - ? $m[0] - : ''; - } - - protected function _reservePlace($content) - { - $placeholder = '%' . $this->_replacementHash . count($this->_placeholders) . '%'; - $this->_placeholders[$placeholder] = $content; - return $placeholder; - } - - protected $_isXhtml = null; - protected $_replacementHash = null; - protected $_placeholders = array(); - protected $_cssMinifier = null; - protected $_jsMinifier = null; - - protected function _outsideTagCB($m) - { - return '>' . preg_replace('/^\\s+|\\s+$/', ' ', $m[1]) . '<'; - } - - protected function _removePreCB($m) - { - return $this->_reservePlace($m[1]); - } - - protected function _removeTextareaCB($m) - { - return $this->_reservePlace($m[1]); - } - - protected function _removeStyleCB($m) - { - $openStyle = $m[1]; - $css = $m[2]; - // remove HTML comments - $css = preg_replace('/(?:^\\s*<!--|-->\\s*$)/', '', $css); - - // remove CDATA section markers - $css = $this->_removeCdata($css); - - // minify - $minifier = $this->_cssMinifier - ? $this->_cssMinifier - : 'trim'; - $css = call_user_func($minifier, $css); - - return $this->_reservePlace($this->_needsCdata($css) - ? "{$openStyle}/*<![CDATA[*/{$css}/*]]>*/</style>" - : "{$openStyle}{$css}</style>" - ); - } - - protected function _removeScriptCB($m) - { - $openScript = $m[2]; - $js = $m[3]; - - // whitespace surrounding? preserve at least one space - $ws1 = ($m[1] === '') ? '' : ' '; - $ws2 = ($m[4] === '') ? '' : ' '; - - // remove HTML comments (and ending "//" if present) - $js = preg_replace('/(?:^\\s*<!--\\s*|\\s*(?:\\/\\/)?\\s*-->\\s*$)/', '', $js); - - // remove CDATA section markers - $js = $this->_removeCdata($js); - - // minify - $minifier = $this->_jsMinifier - ? $this->_jsMinifier - : 'trim'; - $js = call_user_func($minifier, $js); - - return $this->_reservePlace($this->_needsCdata($js) - ? "{$ws1}{$openScript}/*<![CDATA[*/{$js}/*]]>*/</script>{$ws2}" - : "{$ws1}{$openScript}{$js}</script>{$ws2}" - ); - } - - protected function _removeCdata($str) - { - return (false !== strpos($str, '<![CDATA[')) - ? str_replace(array('<![CDATA[', ']]>'), '', $str) - : $str; - } - - protected function _needsCdata($str) - { - return ($this->_isXhtml && preg_match('/(?:[<&]|\\-\\-|\\]\\]>)/', $str)); - } -} |