[3019] | 1 | <?php |
---|
| 2 | /** |
---|
| 3 | * DOMPDF - PHP5 HTML to PDF renderer |
---|
| 4 | * |
---|
| 5 | * File: $RCSfile: generated_frame_reflower.cls.php,v $ |
---|
| 6 | * Created on: 2004-06-23 |
---|
| 7 | * |
---|
| 8 | * Copyright (c) 2004 - Benj Carson <benjcarson@digitaljunkies.ca> |
---|
| 9 | * |
---|
| 10 | * This library is free software; you can redistribute it and/or |
---|
| 11 | * modify it under the terms of the GNU Lesser General Public |
---|
| 12 | * License as published by the Free Software Foundation; either |
---|
| 13 | * version 2.1 of the License, or (at your option) any later version. |
---|
| 14 | * |
---|
| 15 | * This library is distributed in the hope that it will be useful, |
---|
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
---|
| 18 | * Lesser General Public License for more details. |
---|
| 19 | * |
---|
| 20 | * You should have received a copy of the GNU Lesser General Public License |
---|
| 21 | * along with this library in the file LICENSE.LGPL; if not, write to the |
---|
| 22 | * Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
---|
| 23 | * 02111-1307 USA |
---|
| 24 | * |
---|
| 25 | * Alternatively, you may distribute this software under the terms of the |
---|
| 26 | * PHP License, version 3.0 or later. A copy of this license should have |
---|
| 27 | * been distributed with this file in the file LICENSE.PHP . If this is not |
---|
| 28 | * the case, you can obtain a copy at http://www.php.net/license/3_0.txt. |
---|
| 29 | * |
---|
| 30 | * The latest version of DOMPDF might be available at: |
---|
| 31 | * http://www.digitaljunkies.ca/dompdf |
---|
| 32 | * |
---|
| 33 | * @link http://www.digitaljunkies.ca/dompdf |
---|
| 34 | * @copyright 2004 Benj Carson |
---|
| 35 | * @author Benj Carson <benjcarson@digitaljunkies.ca> |
---|
| 36 | * @package dompdf |
---|
| 37 | * @version 0.5.1 |
---|
| 38 | */ |
---|
| 39 | |
---|
| 40 | /* $Id: generated_frame_reflower.cls.php 186 2009-10-19 22:42:06Z eclecticgeek@gmail.com $ */ |
---|
| 41 | |
---|
| 42 | /** |
---|
| 43 | * Reflows generated content frames (decorates reflower) |
---|
| 44 | * |
---|
| 45 | * @access private |
---|
| 46 | * @package dompdf |
---|
| 47 | */ |
---|
| 48 | class Generated_Frame_Reflower extends Frame_Reflower { |
---|
| 49 | |
---|
| 50 | protected $_reflower; // Decoration target |
---|
| 51 | |
---|
| 52 | function __construct(Frame $frame) { |
---|
| 53 | parent::__construct($frame); |
---|
| 54 | } |
---|
| 55 | |
---|
| 56 | function set_reflower(Frame_Reflower $reflow) { |
---|
| 57 | $this->_reflower = $reflow; |
---|
| 58 | } |
---|
| 59 | |
---|
| 60 | //........................................................................ |
---|
| 61 | |
---|
| 62 | protected function _parse_string($string) { |
---|
| 63 | $string = trim($string, "'\""); |
---|
| 64 | $string = str_replace(array("\\\n",'\\"',"\\'"), |
---|
| 65 | array("",'"',"'"), $string); |
---|
| 66 | |
---|
| 67 | // Convert escaped hex characters into ascii characters (e.g. \A => newline) |
---|
| 68 | $string = preg_replace_callback("/\\\\([0-9a-fA-F]{0,6})(\s)?(?(2)|(?=[^0-9a-fA-F]))/", |
---|
| 69 | create_function('$matches', |
---|
| 70 | 'return chr(hexdec($matches[1]));'), |
---|
| 71 | $string); |
---|
| 72 | return $string; |
---|
| 73 | } |
---|
| 74 | |
---|
| 75 | protected function _parse_content() { |
---|
| 76 | $style = $this->_frame->get_style(); |
---|
| 77 | |
---|
| 78 | // Matches generated content |
---|
| 79 | $re = "/\n". |
---|
| 80 | "\s(counters?\\([^)]*\\))|\n". |
---|
| 81 | "\A(counters?\\([^)]*\\))|\n". |
---|
| 82 | "\s([\"']) ( (?:[^\"']|\\\\[\"'])+ )(?<!\\\\)\\3|\n". |
---|
| 83 | "\A([\"']) ( (?:[^\"']|\\\\[\"'])+ )(?<!\\\\)\\5|\n" . |
---|
| 84 | "\s([^\s\"']+)|\n" . |
---|
| 85 | "\A([^\s\"']+)\n". |
---|
| 86 | "/xi"; |
---|
| 87 | |
---|
| 88 | $content = $style->content; |
---|
| 89 | |
---|
| 90 | // split on spaces, except within quotes |
---|
| 91 | if (!preg_match_all($re, $content, $matches, PREG_SET_ORDER)) |
---|
| 92 | return; |
---|
| 93 | |
---|
| 94 | $text = ""; |
---|
| 95 | |
---|
| 96 | foreach ($matches as $match) { |
---|
| 97 | if ( isset($match[2]) && $match[2] !== "" ) |
---|
| 98 | $match[1] = $match[1]; |
---|
| 99 | |
---|
| 100 | if ( isset($match[6]) && $match[6] !== "" ) |
---|
| 101 | $match[4] = $match[6]; |
---|
| 102 | |
---|
| 103 | if ( isset($match[8]) && $match[8] !== "" ) |
---|
| 104 | $match[7] = $match[8]; |
---|
| 105 | |
---|
| 106 | if ( isset($match[1]) && $match[1] !== "" ) { |
---|
| 107 | // counters?(...) |
---|
| 108 | $match[1] = mb_strtolower(trim($match[1])); |
---|
| 109 | |
---|
| 110 | // Handle counter() references: |
---|
| 111 | // http://www.w3.org/TR/CSS21/generate.html#content |
---|
| 112 | |
---|
| 113 | $i = mb_strpos($match[1], ")"); |
---|
| 114 | if ( $i === false ) |
---|
| 115 | continue; |
---|
| 116 | |
---|
| 117 | $args = explode(",", mb_substr($match[1], 7, $i - 7)); |
---|
| 118 | $counter_id = $args[0]; |
---|
| 119 | |
---|
| 120 | if ( $match[1]{7} == "(" ) { |
---|
| 121 | // counter(name [,style]) |
---|
| 122 | |
---|
| 123 | if ( isset($args[1]) ) |
---|
| 124 | $type = $args[1]; |
---|
| 125 | else |
---|
| 126 | $type = null; |
---|
| 127 | |
---|
| 128 | |
---|
| 129 | $p = $this->_frame->find_block_parent(); |
---|
| 130 | |
---|
| 131 | $text .= $p->counter_value($counter_id, $type); |
---|
| 132 | |
---|
| 133 | } else if ( $match[1]{7} == "s" ) { |
---|
| 134 | // counters(name, string [,style]) |
---|
| 135 | if ( isset($args[1]) ) |
---|
| 136 | $string = $this->_parse_string(trim($args[1])); |
---|
| 137 | else |
---|
| 138 | $string = ""; |
---|
| 139 | |
---|
| 140 | if ( isset($args[2]) ) |
---|
| 141 | $type = $args[2]; |
---|
| 142 | else |
---|
| 143 | $type = null; |
---|
| 144 | |
---|
| 145 | $p = $this->_frame->find_block_parent(); |
---|
| 146 | $tmp = ""; |
---|
| 147 | while ($p) { |
---|
| 148 | $tmp = $p->counter_value($counter_id, $type) . $string . $tmp; |
---|
| 149 | $p = $p->find_block_parent(); |
---|
| 150 | } |
---|
| 151 | $text .= $tmp; |
---|
| 152 | |
---|
| 153 | } else |
---|
| 154 | // countertops? |
---|
| 155 | continue; |
---|
| 156 | |
---|
| 157 | } else if ( isset($match[4]) && $match[4] !== "" ) { |
---|
| 158 | // String match |
---|
| 159 | $text .= $this->_parse_string($match[4]); |
---|
| 160 | |
---|
| 161 | } else if ( isset($match[7]) && $match[7] !== "" ) { |
---|
| 162 | // Directive match |
---|
| 163 | |
---|
| 164 | if ( $match[7] === "open-quote" ) { |
---|
| 165 | // FIXME: do something here |
---|
| 166 | } else if ( $match[7] === "close-quote" ) { |
---|
| 167 | // FIXME: do something else here |
---|
| 168 | } else if ( $match[7] === "no-open-quote" ) { |
---|
| 169 | // FIXME: |
---|
| 170 | } else if ( $match[7] === "no-close-quote" ) { |
---|
| 171 | // FIXME: |
---|
| 172 | } else if ( mb_strpos($match[7],"attr(") === 0 ) { |
---|
| 173 | |
---|
| 174 | $i = mb_strpos($match[7],")"); |
---|
| 175 | if ( $i === false ) |
---|
| 176 | continue; |
---|
| 177 | |
---|
| 178 | $attr = mb_substr($match[7], 6, $i - 6); |
---|
| 179 | if ( $attr == "" ) |
---|
| 180 | continue; |
---|
| 181 | |
---|
| 182 | $text .= $this->_frame->get_node()->getAttribute($attr); |
---|
| 183 | } else |
---|
| 184 | continue; |
---|
| 185 | |
---|
| 186 | } |
---|
| 187 | } |
---|
| 188 | |
---|
| 189 | return $text; |
---|
| 190 | |
---|
| 191 | } |
---|
| 192 | |
---|
| 193 | function reflow() { |
---|
| 194 | $style = $this->_frame->get_style(); |
---|
| 195 | |
---|
| 196 | $text = $this->_parse_content(); |
---|
| 197 | $t_node = $this->_frame->get_node()->ownerDocument->createTextNode($text); |
---|
| 198 | $t_frame = new Frame($t_node); |
---|
| 199 | $t_style = $style->get_stylesheet()->create_style(); |
---|
| 200 | $t_style->inherit($style); |
---|
| 201 | $t_frame->set_style($t_style); |
---|
| 202 | |
---|
| 203 | $this->_frame->prepend_child(Frame_Factory::decorate_frame($t_frame)); |
---|
| 204 | $this->_reflower->reflow(); |
---|
| 205 | } |
---|
| 206 | } |
---|
| 207 | |
---|
| 208 | ?> |
---|