1 | <?php |
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2 | /** |
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3 | * DOMPDF - PHP5 HTML to PDF renderer |
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4 | * |
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5 | * File: $RCSfile: attribute_translator.cls.php,v $ |
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6 | * Created on: 2004-09-13 |
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7 | * |
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8 | * Copyright (c) 2004 - Benj Carson <benjcarson@digitaljunkies.ca> |
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9 | * |
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10 | * This library is free software; you can redistribute it and/or |
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11 | * modify it under the terms of the GNU Lesser General Public |
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12 | * License as published by the Free Software Foundation; either |
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13 | * version 2.1 of the License, or (at your option) any later version. |
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14 | * |
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15 | * This library 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 GNU |
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18 | * Lesser 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 Lesser General Public License |
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21 | * along with this library in the file LICENSE.LGPL; if not, write to the |
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22 | * Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
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23 | * 02111-1307 USA |
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24 | * |
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25 | * Alternatively, you may distribute this software under the terms of the |
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26 | * PHP License, version 3.0 or later. A copy of this license should have |
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27 | * been distributed with this file in the file LICENSE.PHP . If this is not |
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28 | * the case, you can obtain a copy at http://www.php.net/license/3_0.txt. |
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29 | * |
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30 | * The latest version of DOMPDF might be available at: |
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31 | * http://www.digitaljunkies.ca/dompdf |
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32 | * |
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33 | * @link http://www.digitaljunkies.ca/dompdf |
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34 | * @copyright 2004 Benj Carson |
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35 | * @author Benj Carson <benjcarson@digitaljunkies.ca> |
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36 | * @package dompdf |
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37 | * @version 0.5.1 |
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38 | */ |
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39 | |
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40 | /* $Id: attribute_translator.cls.php 186 2009-10-19 22:42:06Z eclecticgeek@gmail.com $ */ |
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41 | |
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42 | /** |
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43 | * Translates HTML 4.0 attributes into CSS rules |
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44 | * |
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45 | * @access private |
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46 | * @package dompdf |
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47 | */ |
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48 | class Attribute_Translator { |
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49 | |
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50 | // Munged data originally from |
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51 | // http://www.w3.org/TR/REC-html40/index/attributes.html |
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52 | // |
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53 | // thank you var_export() :D |
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54 | static private $__ATTRIBUTE_LOOKUP = |
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55 | array (//'caption' => array ( 'align' => '', ), |
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56 | 'img_inner' => // img tags actually end up wrapping img_inner elements |
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57 | array ('align' => array('bottom' => 'vertical-align: baseline;', |
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58 | 'middle' => 'vertical-align: middle;', |
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59 | 'top' => 'vertical-align: top;', |
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60 | 'left' => 'float: left;', |
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61 | 'right' => 'float: right;'), |
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62 | 'border' => 'border-width: %0.2f px;', |
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63 | 'height' => 'height: %s;', |
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64 | 'hspace' => 'padding-left: %1$0.2f px; padding-right: %1$0.2f px;', |
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65 | 'vspace' => 'padding-top: %1$0.2f px; padding-bottom: %1$0.2f px', |
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66 | 'width' => 'width: %s;', |
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67 | ), |
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68 | 'table' => |
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69 | array ("align" => array(//'left' => '', |
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70 | 'center' => 'margin-left: auto; margin-right: auto;', |
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71 | //'right' => '' |
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72 | ), |
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73 | 'bgcolor' => 'background-color: %s;', |
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74 | 'border' => '!set_table_border', |
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75 | 'cellpadding' => '!set_table_cellpadding', |
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76 | 'cellspacing' => 'border-spacing: %0.2f; border-collapse: separate;', |
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77 | 'frame' => array('void' => 'border-style: none;', |
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78 | 'above' => 'border-top-style: solid;', |
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79 | 'below' => 'border-bottom-style: solid;', |
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80 | 'hsides' => 'border-left-style: solid; border-right-style: solid;', |
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81 | 'vsides' => 'border-top-style: solid; border-bottom-style: solid;', |
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82 | 'lhs' => 'border-left-style: solid;', |
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83 | 'rhs' => 'border-right-style: solid;', |
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84 | 'box' => 'border-style: solid;', |
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85 | 'border' => 'border-style: solid;'), |
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86 | 'rules' => '!set_table_rules', |
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87 | 'width' => 'width: %s;', |
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88 | ), |
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89 | 'hr' => |
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90 | array ( |
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91 | 'align' => '!set_hr_align', // Need to grab width to set 'left' & 'right' correctly |
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92 | 'noshade' => 'border-style: solid;', |
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93 | 'size' => 'border-width: %0.2f px;', |
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94 | 'width' => 'width: %s;', |
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95 | ), |
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96 | 'div' => |
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97 | array ( |
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98 | 'align' => 'text-align: %s;', |
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99 | ), |
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100 | 'h1' => |
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101 | array ( |
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102 | 'align' => 'text-align: %s;', |
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103 | ), |
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104 | 'h2' => |
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105 | array ( |
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106 | 'align' => 'text-align: %s;', |
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107 | ), |
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108 | 'h3' => |
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109 | array ( |
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110 | 'align' => 'text-align: %s;', |
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111 | ), |
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112 | 'h4' => |
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113 | array ( |
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114 | 'align' => 'text-align: %s;', |
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115 | ), |
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116 | 'h5' => |
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117 | array ( |
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118 | 'align' => 'text-align: %s;', |
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119 | ), |
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120 | 'h6' => |
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121 | array ( |
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122 | 'align' => 'text-align: %s;', |
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123 | ), |
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124 | 'p' => |
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125 | array ( |
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126 | 'align' => 'text-align: %s;', |
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127 | ), |
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128 | // 'col' => |
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129 | // array ( |
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130 | // 'align' => '', |
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131 | // 'valign' => '', |
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132 | // ), |
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133 | // 'colgroup' => |
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134 | // array ( |
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135 | // 'align' => '', |
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136 | // 'valign' => '', |
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137 | // ), |
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138 | 'tbody' => |
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139 | array ( |
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140 | 'align' => '!set_table_row_align', |
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141 | 'valign' => '!set_table_row_valign', |
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142 | ), |
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143 | 'td' => |
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144 | array ( |
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145 | 'align' => 'text-align: %s;', |
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146 | 'bgcolor' => 'background-color: %s;', |
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147 | 'height' => 'height: %s;', |
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148 | 'nowrap' => 'white-space: nowrap;', |
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149 | 'valign' => 'vertical-align: %s;', |
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150 | 'width' => 'width: %s;', |
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151 | ), |
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152 | 'tfoot' => |
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153 | array ( |
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154 | 'align' => '!set_table_row_align', |
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155 | 'valign' => '!set_table_row_valign', |
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156 | ), |
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157 | 'th' => |
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158 | array ( |
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159 | 'align' => 'text-align: %s;', |
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160 | 'bgcolor' => 'background-color: %s;', |
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161 | 'height' => 'height: %s;', |
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162 | 'nowrap' => 'white-space: nowrap;', |
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163 | 'valign' => 'vertical-align: %s;', |
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164 | 'width' => 'width: %s;', |
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165 | ), |
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166 | 'thead' => |
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167 | array ( |
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168 | 'align' => '!set_table_row_align', |
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169 | 'valign' => '!set_table_row_valign', |
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170 | ), |
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171 | 'tr' => |
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172 | array ( |
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173 | 'align' => '!set_table_row_align', |
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174 | 'bgcolor' => '!set_table_row_bgcolor', |
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175 | 'valign' => '!set_table_row_valign', |
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176 | ), |
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177 | 'body' => |
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178 | array ( |
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179 | 'background' => 'background-image: url(%s);', |
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180 | 'bgcolor' => 'background-color: %s;', |
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181 | 'link' => '!set_body_link', |
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182 | 'text' => 'color: %s;', |
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183 | ), |
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184 | 'br' => |
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185 | array ( |
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186 | 'clear' => 'clear: %s;', |
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187 | ), |
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188 | 'basefont' => |
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189 | array ( |
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190 | 'color' => 'color: %s;', |
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191 | 'face' => 'font-family: %s;', |
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192 | 'size' => '!set_basefont_size', |
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193 | ), |
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194 | 'font' => |
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195 | array ( |
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196 | 'color' => 'color: %s;', |
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197 | 'face' => 'font-family: %s;', |
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198 | 'size' => '!set_font_size', |
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199 | ), |
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200 | 'dir' => |
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201 | array ( |
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202 | 'compact' => 'margin: 0.5em 0;', |
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203 | ), |
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204 | 'dl' => |
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205 | array ( |
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206 | 'compact' => 'margin: 0.5em 0;', |
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207 | ), |
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208 | 'menu' => |
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209 | array ( |
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210 | 'compact' => 'margin: 0.5em 0;', |
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211 | ), |
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212 | 'ol' => |
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213 | array ( |
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214 | 'compact' => 'margin: 0.5em 0;', |
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215 | 'start' => 'counter-reset: -dompdf-default-counter %d;', |
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216 | 'type' => 'list-style-type: %s;', |
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217 | ), |
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218 | 'ul' => |
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219 | array ( |
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220 | 'compact' => 'margin: 0.5em 0;', |
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221 | 'type' => 'list-style-type: %s;', |
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222 | ), |
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223 | 'li' => |
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224 | array ( |
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225 | 'type' => 'list-style-type: %s;', |
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226 | 'value' => 'counter-reset: -dompdf-default-counter %d;', |
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227 | ), |
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228 | 'pre' => |
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229 | array ( |
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230 | 'width' => 'width: %s;', |
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231 | ), |
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232 | ); |
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233 | |
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234 | |
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235 | static protected $_last_basefont_size = 3; |
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236 | static protected $_font_size_lookup = array(1=>"xx-small", |
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237 | 2=>"x-small", |
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238 | 3=>"medium", |
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239 | 4=>"large", |
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240 | 5=>"x-large", |
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241 | 6=>"xx-large", |
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242 | 7=>"300%"); |
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243 | |
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244 | |
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245 | static function translate_attributes($frame) { |
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246 | $node = $frame->get_node(); |
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247 | $tag = $node->tagName; |
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248 | |
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249 | if ( !isset(self::$__ATTRIBUTE_LOOKUP[$tag]) ) |
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250 | return; |
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251 | |
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252 | $valid_attrs = self::$__ATTRIBUTE_LOOKUP[$tag]; |
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253 | $attrs = $node->attributes; |
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254 | $style = rtrim($node->getAttribute("style"), "; "); |
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255 | if ( $style != "" ) |
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256 | $style .= ";"; |
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257 | |
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258 | foreach ($attrs as $attr => $attr_node ) { |
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259 | if ( !isset($valid_attrs[$attr]) ) |
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260 | continue; |
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261 | |
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262 | $value = $attr_node->value; |
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263 | |
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264 | $target = $valid_attrs[$attr]; |
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265 | |
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266 | // Look up $value in $target, if $target is an array: |
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267 | if ( is_array($target) ) { |
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268 | |
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269 | if ( isset($target[$value]) ) |
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270 | $style .= " " . self::_resolve_target($node, $target[$value], $value); |
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271 | |
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272 | } else { |
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273 | // otherwise use target directly |
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274 | $style .= " " . self::_resolve_target($node, $target, $value); |
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275 | } |
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276 | } |
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277 | if ( !is_null($style) ) { |
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278 | $style = ltrim($style); |
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279 | $node->setAttribute("style", $style); |
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280 | } |
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281 | |
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282 | } |
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283 | |
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284 | static protected function _resolve_target($node, $target, $value) { |
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285 | if ( $target{0} == "!" ) { |
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286 | // Function call |
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287 | $func = "_" . mb_substr($target, 1); |
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288 | return self::$func($node, $value); |
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289 | } |
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290 | |
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291 | return $value ? sprintf($target, $value) : ""; |
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292 | } |
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293 | |
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294 | //..................................................................... |
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295 | |
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296 | static protected function _set_table_cellpadding($node, $value) { |
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297 | |
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298 | $td_list = $node->getElementsByTagName("td"); |
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299 | foreach ($td_list as $td) { |
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300 | $style = rtrim($td->getAttribute("style"), ";"); |
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301 | $style .= "; padding: $value" . "px;"; |
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302 | $style = ltrim($style, ";"); |
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303 | $td->setAttribute("style", $style); |
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304 | } |
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305 | return null; |
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306 | } |
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307 | |
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308 | static protected function _set_table_border($node, $value) { |
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309 | $td_list = $node->getElementsByTagName("td"); |
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310 | foreach ($td_list as $td) { |
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311 | $style = $td->getAttribute("style"); |
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312 | if ( strpos($style, "border") !== false ) |
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313 | continue; |
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314 | $style = rtrim($style, ";"); |
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315 | $style .= "; border-width: $value" . "px; border-style: ridge;"; |
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316 | $style = ltrim($style, ";"); |
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317 | $td->setAttribute("style", $style); |
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318 | } |
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319 | $th_list = $node->getElementsByTagName("th"); |
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320 | foreach ($th_list as $th) { |
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321 | $style = $th->getAttribute("style"); |
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322 | if ( strpos($style, "border") !== false ) |
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323 | continue; |
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324 | $style = rtrim($style, ";"); |
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325 | $style .= "; border-width: $value" . "px; border-style: ridge;"; |
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326 | $style = ltrim($style, ";"); |
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327 | $th->setAttribute("style", $style); |
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328 | } |
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329 | |
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330 | return null; |
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331 | } |
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332 | |
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333 | static protected function _set_table_cellspacing($node, $value) { |
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334 | $style = rtrim($td->getAttribute($style), ";"); |
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335 | |
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336 | if ( $value == 0 ) |
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337 | $style .= "; border-collapse: collapse;"; |
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338 | |
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339 | else |
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340 | $style = "; border-collapse: separate;"; |
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341 | |
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342 | return ltrim($style, ";"); |
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343 | } |
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344 | |
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345 | static protected function _set_table_rules($node, $value) { |
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346 | $new_style = "; border-collapse: collapse;"; |
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347 | switch ($value) { |
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348 | case "none": |
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349 | $new_style .= "border-style: none;"; |
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350 | break; |
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351 | |
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352 | case "groups": |
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353 | // FIXME: unsupported |
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354 | return; |
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355 | |
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356 | case "rows": |
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357 | $new_style .= "border-style: solid none solid none; border-width: 1px; "; |
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358 | break; |
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359 | |
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360 | case "cols": |
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361 | $new_style .= "border-style: none solid none solid; border-width: 1px; "; |
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362 | break; |
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363 | |
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364 | case "all": |
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365 | $new_style .= "border-style: solid; border-width: 1px; "; |
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366 | break; |
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367 | |
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368 | default: |
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369 | // Invalid value |
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370 | return null; |
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371 | } |
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372 | |
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373 | $td_list = $node->getElementsByTagName("td"); |
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374 | |
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375 | foreach ($td_list as $td) { |
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376 | $style = $td->getAttribute("style"); |
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377 | $style .= $new_style; |
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378 | $td->setAttribute("style", $style); |
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379 | } |
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380 | return null; |
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381 | } |
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382 | |
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383 | static protected function _set_hr_align($node, $value) { |
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384 | |
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385 | $style = rtrim($node->getAttribute("style"),";"); |
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386 | $width = $node->getAttribute("width"); |
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387 | if ( $width == "" ) |
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388 | $width = "100%"; |
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389 | |
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390 | $remainder = 100 - (double)rtrim($width, "% "); |
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391 | |
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392 | switch ($value) { |
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393 | case "left": |
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394 | $style .= "; margin-right: $remainder %;"; |
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395 | break; |
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396 | |
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397 | case "right": |
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398 | $style .= "; margin-left: $remainder %;"; |
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399 | break; |
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400 | |
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401 | case "center": |
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402 | $style .= "; margin-left: auto; margin-right: auto;"; |
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403 | break; |
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404 | |
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405 | default: |
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406 | return null; |
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407 | } |
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408 | return ltrim($style, "; "); |
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409 | |
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410 | } |
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411 | |
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412 | static protected function _set_table_row_align($node, $value) { |
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413 | |
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414 | $td_list = $node->getElementsByTagName("td"); |
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415 | |
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416 | foreach ($td_list as $td) { |
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417 | $style = rtrim($td->getAttribute("style"), ";"); |
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418 | $style .= "; text-align: $value;"; |
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419 | $style = ltrim($style, "; "); |
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420 | $td->setAttribute("style", $style); |
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421 | } |
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422 | |
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423 | return null; |
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424 | } |
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425 | |
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426 | static protected function _set_table_row_valign($node, $value) { |
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427 | |
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428 | $td_list = $node->getElementsByTagName("td"); |
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429 | |
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430 | foreach ($td_list as $td) { |
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431 | $style = rtrim($td->getAttribute("style"), ";"); |
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432 | $style .= "; vertical-align: $value;"; |
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433 | $style = ltrim($style, "; "); |
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434 | $td->setAttribute("style", $style); |
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435 | } |
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436 | |
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437 | return null; |
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438 | } |
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439 | |
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440 | static protected function _set_table_row_bgcolor($node, $value) { |
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441 | |
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442 | $td_list = $node->getElementsByTagName("td"); |
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443 | |
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444 | foreach ($td_list as $td) { |
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445 | $style = rtrim($td->getAttribute("style"), ";"); |
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446 | $style .= "; background-color: $value;"; |
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447 | $style = ltrim($style, "; "); |
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448 | $td->setAttribute("style", $style); |
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449 | } |
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450 | |
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451 | return null; |
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452 | } |
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453 | |
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454 | static protected function _set_body_link($node, $value) { |
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455 | |
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456 | $a_list = $node->getElementsByTagName("a"); |
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457 | |
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458 | foreach ($a_list as $a) { |
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459 | $style = rtrim($a->getAttribute("style"), ";"); |
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460 | $style .= "; color: $value;"; |
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461 | $style = ltrim($style, "; "); |
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462 | $a->setAttribute("style", $style); |
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463 | } |
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464 | |
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465 | return null; |
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466 | } |
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467 | |
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468 | static protected function _set_basefont_size($node, $value) { |
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469 | // FIXME: ? we don't actually set the font size of anything here, just |
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470 | // the base size for later modification by <font> tags. |
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471 | self::$_last_basefont_size = $value; |
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472 | return null; |
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473 | } |
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474 | |
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475 | static protected function _set_font_size($node, $value) { |
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476 | $style = $node->getAttribute("style"); |
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477 | |
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478 | if ( $value{0} == "-" || $value{0} == "+" ) |
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479 | $value = self::$_last_basefont_size + (int)$value; |
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480 | |
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481 | if ( isset(self::$_font_size_lookup[$value]) ) |
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482 | $style .= "; font-size: " . self::$_font_size_lookup[$value] . ";"; |
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483 | else |
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484 | $style .= "; font-size: $value;"; |
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485 | |
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486 | return ltrim($style, "; "); |
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487 | |
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488 | } |
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489 | |
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490 | } |
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491 | |
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492 | ?> |
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