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<?php |
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/** |
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* CSSTidy - CSS Parser and Optimiser |
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* |
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* CSS Printing class |
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* This class prints CSS data generated by csstidy. |
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* |
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* Copyright 2005, 2006, 2007 Florian Schmitz |
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* |
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* This file is part of CSSTidy. |
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* |
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* CSSTidy is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU Lesser General Public License as published by |
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* the Free Software Foundation; either version 2.1 of the License, or |
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* (at your option) any later version. |
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* |
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* CSSTidy is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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* @license http://opensource.org/licenses/lgpl-license.php GNU Lesser General Public License |
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* @package csstidy |
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* @author Florian Schmitz (floele at gmail dot com) 2005-2007 |
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* @author Brett Zamir (brettz9 at yahoo dot com) 2007 |
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* @author Cedric Morin (cedric at yterium dot com) 2010 |
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*/ |
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/** |
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* CSS Printing class |
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* |
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* This class prints CSS data generated by csstidy. |
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* |
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* @package csstidy |
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* @author Florian Schmitz (floele at gmail dot com) 2005-2006 |
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* @version 1.0.1 |
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*/ |
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class csstidy_print { |
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/** |
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* Saves the input CSS string |
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* @var string |
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* @access private |
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*/ |
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public $input_css = ''; |
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/** |
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* Saves the formatted CSS string |
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* @var string |
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* @access public |
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*/ |
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public $output_css = ''; |
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/** |
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* Saves the formatted CSS string (plain text) |
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* @var string |
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* @access public |
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*/ |
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public $output_css_plain = ''; |
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/** |
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* Constructor |
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* @param array $css contains the class csstidy |
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* @access private |
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* @version 1.0 |
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*/ |
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function csstidy_print(&$css) { |
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$this->parser = & $css; |
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$this->css = & $css->css; |
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$this->template = & $css->template; |
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$this->tokens = & $css->tokens; |
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$this->charset = & $css->charset; |
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$this->import = & $css->import; |
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$this->namespace = & $css->namespace; |
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} |
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/** |
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* Resets output_css and output_css_plain (new css code) |
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* @access private |
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* @version 1.0 |
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*/ |
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function _reset() { |
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$this->output_css = ''; |
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$this->output_css_plain = ''; |
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} |
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/** |
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* Returns the CSS code as plain text |
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* @param string $default_media default @media to add to selectors without any @media |
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* @return string |
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* @access public |
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* @version 1.0 |
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*/ |
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function plain($default_media='') { |
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$this->_print(true, $default_media); |
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return $this->output_css_plain; |
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} |
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/** |
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* Returns the formatted CSS code |
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* @param string $default_media default @media to add to selectors without any @media |
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* @return string |
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* @access public |
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* @version 1.0 |
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*/ |
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function formatted($default_media='') { |
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$this->_print(false, $default_media); |
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return $this->output_css; |
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} |
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/** |
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* Returns the formatted CSS code to make a complete webpage |
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* @param string $doctype shorthand for the document type |
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* @param bool $externalcss indicates whether styles to be attached internally or as an external stylesheet |
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* @param string $title title to be added in the head of the document |
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* @param string $lang two-letter language code to be added to the output |
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* @return string |
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* @access public |
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* @version 1.4 |
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*/ |
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function formatted_page($doctype='xhtml1.1', $externalcss=true, $title='', $lang='en') { |
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switch ($doctype) { |
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case 'xhtml1.0strict': |
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$doctype_output = '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" |
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">'; |
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break; |
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case 'xhtml1.1': |
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default: |
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$doctype_output = '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" |
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"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">'; |
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break; |
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} |
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$output = $cssparsed = ''; |
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$this->output_css_plain = & $output; |
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$output .= $doctype_output . "\n" . '<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="' . $lang . '"'; |
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$output .= ( $doctype === 'xhtml1.1') ? '>' : ' lang="' . $lang . '">'; |
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$output .= "\n<head>\n <title>$title</title>"; |
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if ($externalcss) { |
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$output .= "\n <style type=\"text/css\">\n"; |
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$cssparsed = file_get_contents('cssparsed.css'); |
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$output .= $cssparsed; // Adds an invisible BOM or something, but not in css_optimised.php |
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$output .= "\n</style>"; |
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} else { |
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$output .= "\n" . ' <link rel="stylesheet" type="text/css" href="cssparsed.css" />'; |
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// } |
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} |
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$output .= "\n</head>\n<body><code id=\"copytext\">"; |
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$output .= $this->formatted(); |
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$output .= '</code>' . "\n" . '</body></html>'; |
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return $this->output_css_plain; |
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} |
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/** |
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* Returns the formatted CSS Code and saves it into $this->output_css and $this->output_css_plain |
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* @param bool $plain plain text or not |
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* @param string $default_media default @media to add to selectors without any @media |
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* @access private |
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* @version 2.0 |
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*/ |
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function _print($plain = false, $default_media='') { |
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if ($this->output_css && $this->output_css_plain) { |
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return; |
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} |
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$output = ''; |
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if (!$this->parser->get_cfg('preserve_css')) { |
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$this->_convert_raw_css($default_media); |
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} |
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$template = & $this->template; |
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if ($plain) { |
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$template = array_map('strip_tags', $template); |
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} |
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if ($this->parser->get_cfg('timestamp')) { |
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array_unshift($this->tokens, array(COMMENT, ' CSSTidy ' . $this->parser->version . ': ' . date('r') . ' ')); |
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} |
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if (!empty($this->charset)) { |
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$output .= $template[0] . '@charset ' . $template[5] . $this->charset . $template[6]; |
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} |
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if (!empty($this->import)) { |
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for ($i = 0, $size = count($this->import); $i < $size; $i++) { |
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$import_components = explode(' ', $this->import[$i]); |
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if (substr($import_components[0], 0, 4) === 'url(' && substr($import_components[0], -1, 1) === ')') { |
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$import_components[0] = '\'' . trim(substr($import_components[0], 4, -1), "'\"") . '\''; |
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$this->import[$i] = implode(' ', $import_components); |
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$this->parser->log('Optimised @import : Removed "url("', 'Information'); |
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} |
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$output .= $template[0] . '@import ' . $template[5] . $this->import[$i] . $template[6]; |
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} |
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} |
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if (!empty($this->namespace)) { |
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if (substr($this->namespace, 0, 4) === 'url(' && substr($this->namespace, -1, 1) === ')') { |
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$this->namespace = '\'' . substr($this->namespace, 4, -1) . '\''; |
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$this->parser->log('Optimised @namespace : Removed "url("', 'Information'); |
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} |
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$output .= $template[0] . '@namespace ' . $template[5] . $this->namespace . $template[6]; |
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} |
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$output .= $template[13]; |
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$in_at_out = ''; |
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$out = & $output; |
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foreach ($this->tokens as $key => $token) { |
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switch ($token[0]) { |
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case AT_START: |
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$out .= $template[0] . $this->_htmlsp($token[1], $plain) . $template[1]; |
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$out = & $in_at_out; |
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break; |
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case SEL_START: |
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if ($this->parser->get_cfg('lowercase_s')) |
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$token[1] = strtolower($token[1]); |
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$out .= ( $token[1]{0} !== '@') ? $template[2] . $this->_htmlsp($token[1], $plain) : $template[0] . $this->_htmlsp($token[1], $plain); |
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$out .= $template[3]; |
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break; |
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case PROPERTY: |
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if ($this->parser->get_cfg('case_properties') === 2) { |
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$token[1] = strtoupper($token[1]); |
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} elseif ($this->parser->get_cfg('case_properties') === 1) { |
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$token[1] = strtolower($token[1]); |
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} |
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$out .= $template[4] . $this->_htmlsp($token[1], $plain) . ':' . $template[5]; |
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break; |
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case VALUE: |
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$out .= $this->_htmlsp($token[1], $plain); |
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if ($this->_seeknocomment($key, 1) == SEL_END && $this->parser->get_cfg('remove_last_;')) { |
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$out .= str_replace(';', '', $template[6]); |
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} else { |
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$out .= $template[6]; |
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} |
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break; |
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case SEL_END: |
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$out .= $template[7]; |
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if ($this->_seeknocomment($key, 1) != AT_END) |
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$out .= $template[8]; |
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break; |
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case AT_END: |
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$out = & $output; |
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$out .= $template[10] . str_replace("\n", "\n" . $template[10], $in_at_out); |
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$in_at_out = ''; |
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$out .= $template[9]; |
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break; |
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case COMMENT: |
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$out .= $template[11] . '/*' . $this->_htmlsp($token[1], $plain) . '*/' . $template[12]; |
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break; |
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} |
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} |
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$output = trim($output); |
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if (!$plain) { |
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$this->output_css = $output; |
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$this->_print(true); |
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} else { |
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// If using spaces in the template, don't want these to appear in the plain output |
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$this->output_css_plain = str_replace(' ', '', $output); |
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} |
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} |
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/** |
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* Gets the next token type which is $move away from $key, excluding comments |
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* @param integer $key current position |
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* @param integer $move move this far |
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* @return mixed a token type |
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* @access private |
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* @version 1.0 |
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*/ |
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function _seeknocomment($key, $move) { |
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$go = ($move > 0) ? 1 : -1; |
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for ($i = $key + 1; abs($key - $i) - 1 < abs($move); $i += $go) { |
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if (!isset($this->tokens[$i])) { |
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return; |
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} |
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if ($this->tokens[$i][0] == COMMENT) { |
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$move += 1; |
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continue; |
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} |
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return $this->tokens[$i][0]; |
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} |
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} |
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297
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/** |
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298
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* Converts $this->css array to a raw array ($this->tokens) |
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299
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* @param string $default_media default @media to add to selectors without any @media |
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* @access private |
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* @version 1.0 |
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302
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*/ |
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303
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function _convert_raw_css($default_media='') { |
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304
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$this->tokens = array(); |
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305
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306
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foreach ($this->css as $medium => $val) { |
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307
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if ($this->parser->get_cfg('sort_selectors')) |
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308
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ksort($val); |
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309
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View Code Duplication |
if (intval($medium) < DEFAULT_AT) { |
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310
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$this->parser->_add_token(AT_START, $medium, true); |
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311
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} |
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312
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elseif ($default_media) { |
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313
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$this->parser->_add_token(AT_START, $default_media, true); |
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314
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} |
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315
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316
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foreach ($val as $selector => $vali) { |
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317
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if ($this->parser->get_cfg('sort_properties')) |
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318
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ksort($vali); |
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319
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$this->parser->_add_token(SEL_START, $selector, true); |
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320
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|
|
321
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foreach ($vali as $property => $valj) { |
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322
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$this->parser->_add_token(PROPERTY, $property, true); |
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323
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$this->parser->_add_token(VALUE, $valj, true); |
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324
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} |
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325
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326
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$this->parser->_add_token(SEL_END, $selector, true); |
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327
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} |
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328
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329
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View Code Duplication |
if (intval($medium) < DEFAULT_AT) { |
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330
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$this->parser->_add_token(AT_END, $medium, true); |
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331
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} |
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332
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elseif ($default_media) { |
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333
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$this->parser->_add_token(AT_END, $default_media, true); |
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334
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} |
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335
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} |
|
336
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} |
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337
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|
338
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/** |
|
339
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* Same as htmlspecialchars, only that chars are not replaced if $plain !== true. This makes print_code() cleaner. |
|
340
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* @param string $string |
|
341
|
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* @param bool $plain |
|
342
|
|
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* @return string |
|
343
|
|
|
* @see csstidy_print::_print() |
|
344
|
|
|
* @access private |
|
345
|
|
|
* @version 1.0 |
|
346
|
|
|
*/ |
|
347
|
|
|
function _htmlsp($string, $plain) { |
|
348
|
|
|
if (!$plain) { |
|
349
|
|
|
return htmlspecialchars($string, ENT_QUOTES, 'utf-8'); |
|
350
|
|
|
} |
|
351
|
|
|
return $string; |
|
352
|
|
|
} |
|
353
|
|
|
|
|
354
|
|
|
/** |
|
355
|
|
|
* Get compression ratio |
|
356
|
|
|
* @access public |
|
357
|
|
|
* @return float |
|
358
|
|
|
* @version 1.2 |
|
359
|
|
|
*/ |
|
360
|
|
|
function get_ratio() { |
|
361
|
|
|
if (!$this->output_css_plain) { |
|
362
|
|
|
$this->formatted(); |
|
363
|
|
|
} |
|
364
|
|
|
return round((strlen($this->input_css) - strlen($this->output_css_plain)) / strlen($this->input_css), 3) * 100; |
|
365
|
|
|
} |
|
366
|
|
|
|
|
367
|
|
|
/** |
|
368
|
|
|
* Get difference between the old and new code in bytes and prints the code if necessary. |
|
369
|
|
|
* @access public |
|
370
|
|
|
* @return string |
|
371
|
|
|
* @version 1.1 |
|
372
|
|
|
*/ |
|
373
|
|
|
function get_diff() { |
|
374
|
|
|
if (!$this->output_css_plain) { |
|
375
|
|
|
$this->formatted(); |
|
376
|
|
|
} |
|
377
|
|
|
|
|
378
|
|
|
$diff = strlen($this->output_css_plain) - strlen($this->input_css); |
|
379
|
|
|
|
|
380
|
|
|
if ($diff > 0) { |
|
381
|
|
|
return '+' . $diff; |
|
382
|
|
|
} elseif ($diff == 0) { |
|
383
|
|
|
return '+-' . $diff; |
|
384
|
|
|
} |
|
385
|
|
|
|
|
386
|
|
|
return $diff; |
|
387
|
|
|
} |
|
388
|
|
|
|
|
389
|
|
|
/** |
|
390
|
|
|
* Get the size of either input or output CSS in KB |
|
391
|
|
|
* @param string $loc default is "output" |
|
392
|
|
|
* @access public |
|
393
|
|
|
* @return integer |
|
394
|
|
|
* @version 1.0 |
|
395
|
|
|
*/ |
|
396
|
|
|
function size($loc = 'output') { |
|
397
|
|
|
if ($loc === 'output' && !$this->output_css) { |
|
398
|
|
|
$this->formatted(); |
|
399
|
|
|
} |
|
400
|
|
|
|
|
401
|
|
|
if ($loc === 'input') { |
|
402
|
|
|
return (strlen($this->input_css) / 1000); |
|
403
|
|
|
} else { |
|
404
|
|
|
return (strlen($this->output_css_plain) / 1000); |
|
405
|
|
|
} |
|
406
|
|
|
} |
|
407
|
|
|
|
|
408
|
|
|
} |
|
409
|
|
|
|