[3052] | 1 | <?php |
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| 2 | /** |
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| 3 | * CSSTidy - CSS Parser and Optimiser |
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| 4 | * |
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| 5 | * CSS Printing class |
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| 6 | * This class prints CSS data generated by csstidy. |
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| 7 | * |
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| 8 | * This file is part of CSSTidy. |
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| 9 | * |
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| 10 | * CSSTidy is free software; you can redistribute it and/or modify |
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| 11 | * it under the terms of the GNU General Public License as published by |
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| 12 | * the Free Software Foundation; either version 2 of the License, or |
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| 13 | * (at your option) any later version. |
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| 14 | * |
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| 15 | * CSSTidy is distributed in the hope that it will be useful, |
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| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 18 | * GNU General Public License for more details. |
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| 19 | * |
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| 20 | * You should have received a copy of the GNU General Public License |
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| 21 | * along with CSSTidy; if not, write to the Free Software |
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| 22 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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| 23 | * |
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| 24 | * @license http://opensource.org/licenses/gpl-license.php GNU Public License |
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| 25 | * @package csstidy |
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| 26 | * @author Florian Schmitz (floele at gmail dot com) 2005-2006 |
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| 27 | */ |
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| 28 | |
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| 29 | /** |
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| 30 | * CSS Printing class |
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| 31 | * |
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| 32 | * This class prints CSS data generated by csstidy. |
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| 33 | * |
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| 34 | * @package csstidy |
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| 35 | * @author Florian Schmitz (floele at gmail dot com) 2005-2006 |
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| 36 | * @version 1.0 |
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| 37 | */ |
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| 38 | |
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| 39 | class csstidy_print |
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| 40 | { |
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| 41 | /** |
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| 42 | * Saves the input CSS string |
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| 43 | * @var string |
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| 44 | * @access private |
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| 45 | */ |
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| 46 | var $input_css = ''; |
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| 47 | |
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| 48 | /** |
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| 49 | * Saves the formatted CSS string |
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| 50 | * @var string |
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| 51 | * @access public |
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| 52 | */ |
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| 53 | var $output_css = ''; |
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| 54 | |
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| 55 | /** |
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| 56 | * Saves the formatted CSS string (plain text) |
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| 57 | * @var string |
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| 58 | * @access public |
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| 59 | */ |
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| 60 | var $output_css_plain = ''; |
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| 61 | |
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| 62 | /** |
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| 63 | * Constructor |
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| 64 | * @param array $css contains the class csstidy |
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| 65 | * @access private |
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| 66 | * @version 1.0 |
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| 67 | */ |
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| 68 | function csstidy_print(&$css) |
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| 69 | { |
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| 70 | $this->parser =& $css; |
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| 71 | $this->css =& $css->css; |
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| 72 | $this->template =& $css->template; |
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| 73 | $this->tokens =& $css->tokens; |
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| 74 | $this->charset =& $css->charset; |
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| 75 | $this->import =& $css->import; |
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| 76 | $this->namespace =& $css->namespace; |
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| 77 | } |
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| 78 | |
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| 79 | /** |
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| 80 | * Resets output_css and output_css_plain (new css code) |
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| 81 | * @access private |
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| 82 | * @version 1.0 |
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| 83 | */ |
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| 84 | function _reset() |
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| 85 | { |
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| 86 | $this->output_css = ''; |
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| 87 | $this->output_css_plain = ''; |
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| 88 | } |
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| 89 | |
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| 90 | /** |
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| 91 | * Returns the CSS code as plain text |
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| 92 | * @return string |
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| 93 | * @access public |
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| 94 | * @version 1.0 |
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| 95 | */ |
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| 96 | function plain() |
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| 97 | { |
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| 98 | $this->_print(true); |
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| 99 | return $this->output_css_plain; |
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| 100 | } |
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| 101 | |
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| 102 | /** |
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| 103 | * Returns the formatted CSS code |
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| 104 | * @return string |
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| 105 | * @access public |
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| 106 | * @version 1.0 |
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| 107 | */ |
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| 108 | function formatted() |
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| 109 | { |
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| 110 | $this->_print(false); |
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| 111 | return $this->output_css; |
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| 112 | } |
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| 113 | |
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| 114 | /** |
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| 115 | * Returns the formatted CSS Code and saves it into $this->output_css and $this->output_css_plain |
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| 116 | * @param bool $plain plain text or not |
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| 117 | * @access private |
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| 118 | * @version 2.0 |
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| 119 | */ |
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| 120 | function _print($plain = false) |
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| 121 | { |
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| 122 | if ($this->output_css && $this->output_css_plain) { |
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| 123 | return; |
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| 124 | } |
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| 125 | |
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| 126 | $output = ''; |
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| 127 | if (!$this->parser->get_cfg('preserve_css')) { |
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| 128 | $this->_convert_raw_css(); |
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| 129 | } |
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| 130 | |
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| 131 | $template =& $this->template; |
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| 132 | |
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| 133 | if ($plain) { |
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| 134 | $template = array_map('strip_tags', $template); |
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| 135 | } |
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| 136 | |
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| 137 | if ($this->parser->get_cfg('timestamp')) { |
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| 138 | array_unshift($this->tokens, array(COMMENT, ' CSSTidy ' . $this->parser->version . ': ' . date('r') . ' ')); |
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| 139 | } |
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| 140 | |
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| 141 | if (!empty($this->charset)) { |
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| 142 | $output .= $template[0].'@charset '.$template[5].$this->charset.$template[6]; |
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| 143 | } |
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| 144 | |
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| 145 | if (!empty($this->import)) { |
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| 146 | for ($i = 0, $size = count($this->import); $i < $size; $i ++) { |
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| 147 | $output .= $template[0].'@import '.$template[5].$this->import[$i].$template[6]; |
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| 148 | } |
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| 149 | } |
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| 150 | |
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| 151 | if (!empty($this->namespace)) { |
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| 152 | $output .= $template[0].'@namespace '.$template[5].$this->namespace.$template[6]; |
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| 153 | } |
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| 154 | |
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| 155 | $output .= $template[13]; |
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| 156 | $in_at_out = ''; |
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| 157 | $out =& $output; |
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| 158 | |
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| 159 | foreach ($this->tokens as $key => $token) |
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| 160 | { |
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| 161 | switch ($token[0]) |
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| 162 | { |
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| 163 | case AT_START: |
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| 164 | $out .= $template[0].$this->_htmlsp($token[1], $plain).$template[1]; |
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| 165 | $out =& $in_at_out; |
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| 166 | break; |
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| 167 | |
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| 168 | case SEL_START: |
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| 169 | if($this->parser->get_cfg('lowercase_s')) $token[1] = strtolower($token[1]); |
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| 170 | $out .= ($token[1]{0} !== '@') ? $template[2].$this->_htmlsp($token[1], $plain) : $template[0].$this->_htmlsp($token[1], $plain); |
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| 171 | $out .= $template[3]; |
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| 172 | break; |
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| 173 | |
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| 174 | case PROPERTY: |
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| 175 | if($this->parser->get_cfg('case_properties') == 2) $token[1] = strtoupper($token[1]); |
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| 176 | if($this->parser->get_cfg('case_properties') == 1) $token[1] = strtolower($token[1]); |
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| 177 | $out .= $template[4] . $this->_htmlsp($token[1], $plain) . ':' . $template[5]; |
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| 178 | break; |
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| 179 | |
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| 180 | case VALUE: |
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| 181 | $out .= $this->_htmlsp($token[1], $plain); |
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| 182 | if($this->_seeknocomment($key, 1) == SEL_END && $this->parser->get_cfg('remove_last_;')) { |
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| 183 | $out .= str_replace(';', '', $template[6]); |
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| 184 | } else { |
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| 185 | $out .= $template[6]; |
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| 186 | } |
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| 187 | break; |
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| 188 | |
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| 189 | case SEL_END: |
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| 190 | $out .= $template[7]; |
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| 191 | if($this->_seeknocomment($key, 1) != AT_END) $out .= $template[8]; |
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| 192 | break; |
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| 193 | |
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| 194 | case AT_END: |
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| 195 | $out =& $output; |
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| 196 | $out .= $template[10] . str_replace("\n", "\n" . $template[10], $in_at_out); |
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| 197 | $in_at_out = ''; |
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| 198 | $out .= $template[9]; |
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| 199 | break; |
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| 200 | |
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| 201 | case COMMENT: |
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| 202 | $out .= $template[11] . '/*' . $this->_htmlsp($token[1], $plain) . '*/' . $template[12]; |
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| 203 | break; |
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| 204 | } |
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| 205 | } |
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| 206 | |
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| 207 | $output = trim($output); |
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| 208 | |
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| 209 | if (!$plain) { |
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| 210 | $this->output_css = $output; |
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| 211 | $this->_print(true); |
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| 212 | } else { |
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| 213 | $this->output_css_plain = $output; |
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| 214 | } |
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| 215 | } |
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| 216 | |
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| 217 | /** |
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| 218 | * Gets the next token type which is $move away from $key, excluding comments |
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| 219 | * @param integer $key current position |
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| 220 | * @param integer $move move this far |
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| 221 | * @return mixed a token type |
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| 222 | * @access private |
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| 223 | * @version 1.0 |
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| 224 | */ |
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| 225 | function _seeknocomment($key, $move) { |
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| 226 | $go = ($move > 0) ? 1 : -1; |
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| 227 | for ($i = $key + 1; abs($key-$i)-1 < abs($move); $i += $go) { |
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| 228 | if (!isset($this->tokens[$i])) { |
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| 229 | return; |
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| 230 | } |
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| 231 | if ($this->tokens[$i][0] == COMMENT) { |
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| 232 | $move += 1; |
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| 233 | continue; |
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| 234 | } |
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| 235 | return $this->tokens[$i][0]; |
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| 236 | } |
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| 237 | } |
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| 238 | |
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| 239 | /** |
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| 240 | * Converts $this->css array to a raw array ($this->tokens) |
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| 241 | * @access private |
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| 242 | * @version 1.0 |
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| 243 | */ |
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| 244 | function _convert_raw_css() |
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| 245 | { |
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| 246 | $this->tokens = array(); |
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| 247 | |
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| 248 | foreach ($this->css as $medium => $val) |
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| 249 | { |
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| 250 | if ($this->parser->get_cfg('sort_selectors')) ksort($val); |
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| 251 | if ($medium != DEFAULT_AT) { |
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| 252 | $this->parser->_add_token(AT_START, $medium, true); |
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| 253 | } |
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| 254 | |
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| 255 | foreach ($val as $selector => $vali) |
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| 256 | { |
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| 257 | if ($this->parser->get_cfg('sort_properties')) ksort($vali); |
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| 258 | $this->parser->_add_token(SEL_START, $selector, true); |
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| 259 | |
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| 260 | foreach ($vali as $property => $valj) |
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| 261 | { |
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| 262 | $this->parser->_add_token(PROPERTY, $property, true); |
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| 263 | $this->parser->_add_token(VALUE, $valj, true); |
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| 264 | } |
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| 265 | |
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| 266 | $this->parser->_add_token(SEL_END, $selector, true); |
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| 267 | } |
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| 268 | |
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| 269 | if ($medium != DEFAULT_AT) { |
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| 270 | $this->parser->_add_token(AT_END, $medium, true); |
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| 271 | } |
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| 272 | } |
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| 273 | } |
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| 274 | |
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| 275 | /** |
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| 276 | * Same as htmlspecialchars, only that chars are not replaced if $plain !== true. This makes print_code() cleaner. |
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| 277 | * @param string $string |
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| 278 | * @param bool $plain |
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| 279 | * @return string |
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| 280 | * @see csstidy_print::_print() |
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| 281 | * @access private |
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| 282 | * @version 1.0 |
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| 283 | */ |
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| 284 | function _htmlsp($string, $plain) |
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| 285 | { |
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| 286 | if (!$plain) { |
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| 287 | return htmlspecialchars($string); |
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| 288 | } |
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| 289 | return $string; |
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| 290 | } |
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| 291 | |
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| 292 | /** |
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| 293 | * Get compression ratio |
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| 294 | * @access public |
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| 295 | * @return float |
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| 296 | * @version 1.2 |
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| 297 | */ |
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| 298 | function get_ratio() |
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| 299 | { |
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| 300 | if (!$this->output_css_plain) { |
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| 301 | $this->formatted(); |
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| 302 | } |
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| 303 | return round((strlen($this->input_css) - strlen($this->output_css_plain)) / strlen($this->input_css), 3) * 100; |
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| 304 | } |
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| 305 | |
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| 306 | /** |
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| 307 | * Get difference between the old and new code in bytes and prints the code if necessary. |
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| 308 | * @access public |
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| 309 | * @return string |
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| 310 | * @version 1.1 |
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| 311 | */ |
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| 312 | function get_diff() |
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| 313 | { |
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| 314 | if (!$this->output_css_plain) { |
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| 315 | $this->formatted(); |
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| 316 | } |
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| 317 | |
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| 318 | $diff = strlen($this->output_css_plain) - strlen($this->input_css); |
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| 319 | |
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| 320 | if ($diff > 0) { |
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| 321 | return '+' . $diff; |
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| 322 | } elseif ($diff == 0) { |
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| 323 | return '+-' . $diff; |
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| 324 | } |
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| 325 | |
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| 326 | return $diff; |
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| 327 | } |
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| 328 | |
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| 329 | /** |
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| 330 | * Get the size of either input or output CSS in KB |
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| 331 | * @param string $loc default is "output" |
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| 332 | * @access public |
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| 333 | * @return integer |
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| 334 | * @version 1.0 |
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| 335 | */ |
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| 336 | function size($loc = 'output') |
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| 337 | { |
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| 338 | if ($loc == 'output' && !$this->output_css) { |
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| 339 | $this->formatted(); |
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| 340 | } |
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| 341 | |
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| 342 | if ($loc == 'input') { |
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| 343 | return (strlen($this->input_css) / 1000); |
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| 344 | } else { |
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| 345 | return (strlen($this->output_css_plain) / 1000); |
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| 346 | } |
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| 347 | } |
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| 348 | } |
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| 349 | ?> |
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