/lib/includes/csstidy/class.csstidy_print.php
PHP | 446 lines | 252 code | 47 blank | 147 comment | 53 complexity | e232066941d797773fc0555e677dd7d2 MD5 | raw file
- <?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
- */
- /**
- * 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
- */
- class csstidy_print
- {
- /**
- * Saves the input CSS string
- * @var string
- * @access private
- */
- var $input_css = '';
- /**
- * Saves the formatted CSS string
- * @var string
- * @access public
- */
- var $output_css = '';
- /**
- * Saves the formatted CSS string (plain text)
- * @var string
- * @access public
- */
- var $output_css_plain = '';
- /* [i_a] E_STRICT fix */
- var $css;
- var $template;
- var $tokens;
- var $charset;
- var $import;
- var $namespace;
-
- /**
- * Constructor
- * @param array $css contains the class csstidy
- * @access private
- * @version 1.0
- */
- function csstidy_print(&$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
- */
- function _reset()
- {
- $this->output_css = '';
- $this->output_css_plain = '';
- }
- /**
- * Returns the CSS code as plain text
- * @return string
- * @access public
- * @version 1.0
- */
- function plain()
- {
- $this->_print(true);
- return $this->output_css_plain;
- }
- /**
- * Returns the formatted CSS code
- * @return string
- * @access public
- * @version 1.0
- */
- function formatted()
- {
- $this->_print(false);
- 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 $plain plain text or not
- * @access private
- * @version 2.0
- */
- function _print($plain = false)
- {
- if ($this->output_css && $this->output_css_plain) {
- return;
- }
- $output = '';
- if (!$this->parser->get_cfg('preserve_css')) {
- $this->_convert_raw_css();
- }
- $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 statements have already had all their imports wrapped in " double quotes before we get here.
- This would've happened around line 830 in class.csstidy.php:
- $this->sub_value_arr[] = '"' . trim($this->sub_value) . '"';
-
- That change was added 2009-jun-08, git commit 1897649efa7fc6a2b2d7
- */
- if(substr($this->import[$i], 0, 5) === '"url(' && substr($this->import[$i], -2, 2) === ')"') {
- $this->import[$i] = '\''.substr($this->import[$i], 5, -2).'\'';
- $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]);
- // remove fake counter from @font-face
- if (substr($token[1], 0, 10) === '@font-face') {
- $token[1] = '@font-face';
- }
- $out .= ($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]);
- // remove fake counter cursor property
- if (substr($token[1], 0, 6) == 'CURSOR') {
- $token[1] = 'CURSOR';
- }
- }
- elseif($this->parser->get_cfg('case_properties') === 1)
- {
- $token[1] = strtolower($token[1]);
- // remove fake counter cursor property
- if (substr($token[1], 0, 6) == 'cursor') {
- $token[1] = 'cursor';
- }
- } else {
- // remove fake counter cursor property
- if (preg_match("/cursor/i", substr($token[1], 0, 6))) {
- $token[1] = preg_replace("/(cursor)_[0-9]+/i", "$1", $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)
- * @access private
- * @version 1.0
- */
- function _convert_raw_css()
- {
- $this->tokens = array();
- foreach ($this->css as $medium => $val)
- {
- if ($this->parser->get_cfg('sort_selectors')) ksort($val);
- if ($medium != DEFAULT_AT) {
- $this->parser->_add_token(AT_START, $medium, true);
- }
- foreach ($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, $selector, true);
- }
- if ($medium != DEFAULT_AT) {
- $this->parser->_add_token(AT_END, $medium, 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);
- }
- }
- }