diff options
Diffstat (limited to 'plugins/jetpack/modules/custom-css/csstidy/class.csstidy_print.php')
| -rw-r--r-- | plugins/jetpack/modules/custom-css/csstidy/class.csstidy_print.php | 410 |
1 files changed, 410 insertions, 0 deletions
diff --git a/plugins/jetpack/modules/custom-css/csstidy/class.csstidy_print.php b/plugins/jetpack/modules/custom-css/csstidy/class.csstidy_print.php new file mode 100644 index 00000000..56b95404 --- /dev/null +++ b/plugins/jetpack/modules/custom-css/csstidy/class.csstidy_print.php @@ -0,0 +1,410 @@ +<?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 + */ + +/** + * CSS Printing class + * + * This class prints CSS data generated by csstidy. + * + * @package csstidy + * @author Florian Schmitz (floele at gmail dot com) 2005-2006 + * @version 1.0.1 + */ +class csstidy_print { + + /** + * 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 $css contains the class csstidy + * @access private + * @version 1.0 + */ + function __construct(&$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 = & $css->namespace; + } + + function csstidy_print(&$css) { + $this->__construct($css); + } + + /** + * Resets output_css and output_css_plain (new css code) + * @access private + * @version 1.0 + */ + function _reset() { + $this->output_css = ''; + $this->output_css_plain = ''; + } + + /** + * Returns the CSS code as plain text + * @param string $default_media default @media to add to selectors without any @media + * @return string + * @access public + * @version 1.0 + */ + function plain($default_media='') { + $this->_print(true, $default_media); + return $this->output_css_plain; + } + + /** + * Returns the formatted CSS code + * @param string $default_media default @media to add to selectors without any @media + * @return string + * @access public + * @version 1.0 + */ + function formatted($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 $lang two-letter language code to be added to the output + * @return string + * @access public + * @version 1.4 + */ + function formatted_page($doctype='xhtml1.1', $externalcss=true, $title='', $lang='en') { + switch ($doctype) { + 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 $default_media default @media to add to selectors without any @media + * @access private + * @version 2.0 + */ + function _print($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 . $template[6]; + } + + if (!empty($this->import)) { + for ($i = 0, $size = count($this->import); $i < $size; $i++) { + $import_components = explode(' ', $this->import[$i]); + if (substr($import_components[0], 0, 4) === 'url(' && substr($import_components[0], -1, 1) === ')') { + $import_components[0] = '\'' . trim(substr($import_components[0], 4, -1), "'\"") . '\''; + $this->import[$i] = implode(' ', $import_components); + $this->parser->log('Optimised @import : Removed "url("', 'Information'); + } + $output .= $template[0] . '@import ' . $template[5] . $this->import[$i] . $template[6]; + } + } + if (!empty($this->namespace)) { + if (substr($this->namespace, 0, 4) === 'url(' && substr($this->namespace, -1, 1) === ')') { + $this->namespace = '\'' . substr($this->namespace, 4, -1) . '\''; + $this->parser->log('Optimised @namespace : Removed "url("', 'Information'); + } + $output .= $template[0] . '@namespace ' . $template[5] . $this->namespace . $template[6]; + } + + $output .= $template[13]; + $in_at_out = ''; + $out = & $output; + + foreach ($this->tokens as $key => $token) { + switch ($token[0]) { + case AT_START: + $out .= $template[0] . $this->_htmlsp($token[1], $plain) . $template[1]; + $out = & $in_at_out; + break; + + case SEL_START: + if ($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: + $out = & $output; + $out .= $template[10] . str_replace("\n", "\n" . $template[10], $in_at_out); + $in_at_out = ''; + $out .= $template[9]; + break; + + 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 $move move this far + * @return mixed a token type + * @access private + * @version 1.0 + */ + function _seeknocomment($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 $default_media default @media to add to selectors without any @media + * @access private + * @version 1.0 + */ + function _convert_raw_css($default_media='') { + $this->tokens = array(); + + foreach ($this->css as $medium => $val) { + if ($this->parser->get_cfg('sort_selectors')) + ksort($val); + if (intval($medium) < DEFAULT_AT) { + $this->parser->_add_token(AT_START, $medium, true); + } + elseif ($default_media) { + $this->parser->_add_token(AT_START, $default_media, true); + } + + foreach ($val as $selector => $vali) { + if ($this->parser->get_cfg('sort_properties')) + ksort($vali); + $this->parser->_add_token(SEL_START, $selector, true); + + foreach ($vali 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) { + $this->parser->_add_token(AT_END, $medium, true); + } + elseif ($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 $plain + * @return string + * @see csstidy_print::_print() + * @access private + * @version 1.0 + */ + function _htmlsp($string, $plain) { + if (!$plain) { + return htmlspecialchars($string, ENT_QUOTES, 'utf-8'); + } + return $string; + } + + /** + * Get compression ratio + * @access public + * @return float + * @version 1.2 + */ + function get_ratio() { + if (!$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 + */ + 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 $loc default is "output" + * @access public + * @return integer + * @version 1.0 + */ + function size($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); + } + } + +} |