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Current Path : /home/thanudqk/128shen.com/wp-content/plugins/w3-total-cache/lib/CSSTidy/ |
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<?php /** * CSSTidy - CSS Parser and Optimiser * * CSS Printing class * This class prints CSS data generated by csstidy. * * Copyright 2005, 2006, 2007 Florian Schmitz * * This file is part of CSSTidy. * * CSSTidy is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation; either version 2.1 of the License, or * (at your option) any later version. * * CSSTidy is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * * @license http://opensource.org/licenses/lgpl-license.php GNU Lesser General Public License * @package csstidy * @author Florian Schmitz (floele at gmail dot com) 2005-2007 * @author Brett Zamir (brettz9 at yahoo dot com) 2007 * @author Cedric Morin (cedric at yterium dot com) 2010-2012 */ /** * CSS Printing class * * This class prints CSS data generated by csstidy. * * @package csstidy * @author Florian Schmitz (floele at gmail dot com) 2005-2006 * @version 1.1.0 */ class csstidy_print { /** * csstidy object * @var object */ public $parser; /** * Saves the input CSS string * @var string * @access private */ public $input_css = ''; /** * Saves the formatted CSS string * @var string * @access public */ public $output_css = ''; /** * Saves the formatted CSS string (plain text) * @var string * @access public */ public $output_css_plain = ''; /** * Constructor * @param array $css contains the class csstidy * @access private * @version 1.0 */ public function __construct($css) { $this->parser = $css; $this->css = & $css->css; $this->template = & $css->template; $this->tokens = & $css->tokens; $this->charset = & $css->charset; $this->import = & $css->import; $this->namespace = & $css->namespace; } /** * Resets output_css and output_css_plain (new css code) * @access private * @version 1.0 */ public function _reset() { $this->output_css = ''; $this->output_css_plain = ''; } /** * Returns the CSS code as plain text * @param string $default_media default @media to add to selectors without any @media * @return string * @access public * @version 1.0 */ public function plain($default_media='') { $this->_print(true, $default_media); return $this->output_css_plain; } /** * Returns the formatted CSS code * @param string $default_media default @media to add to selectors without any @media * @return string * @access public * @version 1.0 */ public function formatted($default_media='') { $this->_print(false, $default_media); return $this->output_css; } /** * Returns the formatted CSS code to make a complete webpage * @param string $doctype shorthand for the document type * @param bool $externalcss indicates whether styles to be attached internally or as an external stylesheet * @param string $title title to be added in the head of the document * @param string $lang two-letter language code to be added to the output * @return string * @access public * @version 1.4 */ public function formatted_page($doctype='html5', $externalcss=true, $title='', $lang='en') { switch ($doctype) { case 'html5': $doctype_output = '<!DOCTYPE html>'; break; case 'xhtml1.0strict': $doctype_output = '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">'; break; case 'xhtml1.1': default: $doctype_output = '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">'; break; } $output = $cssparsed = ''; $this->output_css_plain = & $output; $output .= $doctype_output . "\n" . '<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="' . $lang . '"'; $output .= ( $doctype === 'xhtml1.1') ? '>' : ' lang="' . $lang . '">'; $output .= "\n<head>\n <title>$title</title>"; if ($externalcss) { $output .= "\n <style type=\"text/css\">\n"; $cssparsed = file_get_contents('cssparsed.css'); $output .= $cssparsed; // Adds an invisible BOM or something, but not in css_optimised.php $output .= "\n</style>"; } else { $output .= "\n" . ' <link rel="stylesheet" type="text/css" href="cssparsed.css" />'; } $output .= "\n</head>\n<body><code id=\"copytext\">"; $output .= $this->formatted(); $output .= '</code>' . "\n" . '</body></html>'; return $this->output_css_plain; } /** * Returns the formatted CSS Code and saves it into $this->output_css and $this->output_css_plain * @param bool $plain plain text or not * @param string $default_media default @media to add to selectors without any @media * @access private * @version 2.0 */ public function _print($plain = false, $default_media='') { if ($this->output_css && $this->output_css_plain) { return; } $output = ''; if (!$this->parser->get_cfg('preserve_css')) { $this->_convert_raw_css($default_media); } $template = & $this->template; if ($plain) { $template = array_map('strip_tags', $template); } if ($this->parser->get_cfg('timestamp')) { array_unshift($this->tokens, array(COMMENT, ' CSSTidy ' . $this->parser->version . ': ' . date('r') . ' ')); } if (!empty($this->charset)) { $output .= $template[0] . '@charset ' . $template[5] . $this->charset . $template[6] . $template[13]; } if (!empty($this->import)) { for ($i = 0, $size = count($this->import); $i < $size; $i++) { if (substr($this->import[$i], 0, 4) === 'url(' && substr($this->import[$i], -1, 1) === ')') { $this->import[$i] = '"' . substr($this->import[$i], 4, -1) . '"'; $this->parser->log('Optimised @import : Removed "url("', 'Information'); } else if (!preg_match('/^".+"$/',$this->import[$i])) { // fixes a bug for @import ".." instead of the expected @import url("..") // If it comes in due to @import ".." the "" will be missing and the output will become @import .. (which is an error) $this->import[$i] = '"' . $this->import[$i] . '"'; } $output .= $template[0] . '@import ' . $template[5] . $this->import[$i] . $template[6] . $template[13]; } } if (!empty($this->namespace)) { if (($p=strpos($this->namespace,"url("))!==false && substr($this->namespace, -1, 1) === ')') { $this->namespace = substr_replace($this->namespace,'"',$p,4); $this->namespace = substr($this->namespace, 0, -1) . '"'; $this->parser->log('Optimised @namespace : Removed "url("', 'Information'); } $output .= $template[0] . '@namespace ' . $template[5] . $this->namespace . $template[6] . $template[13]; } $in_at_out = []; $out = & $output; $indent_level = 0; foreach ($this->tokens as $key => $token) { switch ($token[0]) { case AT_START: $out .= $template[0] . $this->_htmlsp($token[1], $plain) . $template[1]; $indent_level++; if (!isset($in_at_out[$indent_level])) { $in_at_out[$indent_level] = ''; } $out = & $in_at_out[$indent_level]; break; case SEL_START: if ($this->parser->get_cfg('lowercase_s')) $token[1] = strtolower($token[1]); $out .= ( $token[1][0] !== '@') ? $template[2] . $this->_htmlsp($token[1], $plain) : $template[0] . $this->_htmlsp($token[1], $plain); $out .= $template[3]; break; case PROPERTY: if ($this->parser->get_cfg('case_properties') === 2) { $token[1] = strtoupper($token[1]); } elseif ($this->parser->get_cfg('case_properties') === 1) { $token[1] = strtolower($token[1]); } $out .= $template[4] . $this->_htmlsp($token[1], $plain) . ':' . $template[5]; break; case VALUE: $out .= $this->_htmlsp($token[1], $plain); if ($this->_seeknocomment($key, 1) == SEL_END && $this->parser->get_cfg('remove_last_;')) { $out .= str_replace(';', '', $template[6]); } else { $out .= $template[6]; } break; case SEL_END: $out .= $template[7]; if ($this->_seeknocomment($key, 1) != AT_END) $out .= $template[8]; break; case AT_END: if (strlen($template[10])) { // indent the bloc we are closing $out = str_replace("\n\n", "\r\n", $out); // don't fill empty lines $out = str_replace("\n", "\n" . $template[10], $out); $out = str_replace("\r\n", "\n\n", $out); } if ($indent_level > 1) { $out = & $in_at_out[$indent_level-1]; } else { $out = & $output; } $out .= $template[10] . $in_at_out[$indent_level]; if ($this->_seeknocomment($key, 1) != AT_END) { $out .= $template[9]; } else { $out .= rtrim($template[9]); } unset($in_at_out[$indent_level]); $indent_level--; break; case IMPORTANT_COMMENT: case COMMENT: $out .= $template[11] . '/*' . $this->_htmlsp($token[1], $plain) . '*/' . $template[12]; break; } } $output = trim($output); if (!$plain) { $this->output_css = $output; $this->_print(true); } else { // If using spaces in the template, don't want these to appear in the plain output $this->output_css_plain = str_replace(' ', '', $output); } } /** * Gets the next token type which is $move away from $key, excluding comments * @param integer $key current position * @param integer $move move this far * @return mixed a token type * @access private * @version 1.0 */ public function _seeknocomment($key, $move) { $go = ($move > 0) ? 1 : -1; for ($i = $key + 1; abs($key - $i) - 1 < abs($move); $i += $go) { if (!isset($this->tokens[$i])) { return; } if ($this->tokens[$i][0] == COMMENT) { $move += 1; continue; } return $this->tokens[$i][0]; } } /** * Converts $this->css array to a raw array ($this->tokens) * @param string $default_media default @media to add to selectors without any @media * @access private * @version 1.0 */ public function _convert_raw_css($default_media='') { $this->tokens = array(); $sort_selectors = $this->parser->get_cfg('sort_selectors'); $sort_properties = $this->parser->get_cfg('sort_properties'); // important comment section ? if (isset($this->css['!'])) { $this->parser->_add_token(IMPORTANT_COMMENT, rtrim($this->css['!']), true); unset($this->css['!']); } foreach ($this->css as $medium => $val) { if ($sort_selectors) ksort($val); if (intval($medium) < DEFAULT_AT) { // un medium vide (contenant @font-face ou autre @) ne produit aucun conteneur if (strlen(trim($medium))) { $parts_to_open = explode('{', $medium); foreach ($parts_to_open as $part) { $this->parser->_add_token(AT_START, $part, true); } } } elseif ($default_media) { $this->parser->_add_token(AT_START, $default_media, true); } foreach ($val as $selector => $vali) { if ($sort_properties) ksort($vali); $this->parser->_add_token(SEL_START, $selector, true); $invalid = array( '*' => array(), // IE7 hacks first '_' => array(), // IE6 hacks '/' => array(), // IE6 hacks '-' => array() // IE6 hacks ); foreach ($vali as $property => $valj) { if (strncmp($property,"//",2)!==0) { $matches = array(); if ($sort_properties && preg_match('/^(\*|_|\/|-)(?!(ms|moz|o\b|xv|atsc|wap|khtml|webkit|ah|hp|ro|rim|tc)-)/', $property, $matches)) { $invalid[$matches[1]][$property] = $valj; } else { $this->parser->_add_token(PROPERTY, $property, true); $this->parser->_add_token(VALUE, $valj, true); } } } foreach ($invalid as $prefix => $props) { foreach ($props as $property => $valj) { $this->parser->_add_token(PROPERTY, $property, true); $this->parser->_add_token(VALUE, $valj, true); } } $this->parser->_add_token(SEL_END, $selector, true); } if (intval($medium) < DEFAULT_AT) { // un medium vide (contenant @font-face ou autre @) ne produit aucun conteneur if (strlen(trim($medium))) { $parts_to_close = explode('{', $medium); foreach (array_reverse($parts_to_close) as $part) { $this->parser->_add_token(AT_END, $part, true); } } } elseif ($default_media) { $this->parser->_add_token(AT_END, $default_media, true); } } } /** * Same as htmlspecialchars, only that chars are not replaced if $plain !== true. This makes print_code() cleaner. * @param string $string * @param bool $plain * @return string * @see csstidy_print::_print() * @access private * @version 1.0 */ public function _htmlsp($string, $plain) { if (!$plain) { return htmlspecialchars($string, ENT_QUOTES, 'utf-8'); } return $string; } /** * Get compression ratio * @access public * @return float * @version 1.2 */ public function get_ratio() { if (!$this->output_css_plain) { $this->formatted(); } return round((strlen($this->input_css) - strlen($this->output_css_plain)) / strlen($this->input_css), 3) * 100; } /** * Get difference between the old and new code in bytes and prints the code if necessary. * @access public * @return string * @version 1.1 */ public function get_diff() { if (!$this->output_css_plain) { $this->formatted(); } $diff = strlen($this->output_css_plain) - strlen($this->input_css); if ($diff > 0) { return '+' . $diff; } elseif ($diff == 0) { return '+-' . $diff; } return $diff; } /** * Get the size of either input or output CSS in KB * @param string $loc default is "output" * @access public * @return integer * @version 1.0 */ public function size($loc = 'output') { if ($loc === 'output' && !$this->output_css) { $this->formatted(); } if ($loc === 'input') { return (strlen($this->input_css) / 1000); } else { return (strlen($this->output_css_plain) / 1000); } } }