lib/htmlpurifier/HTMLPurifier/CSSDefinition.php

   1 <?php
   2
   3 require_once 'HTMLPurifier/Definition.php';
   4
   5 require_once 'HTMLPurifier/AttrDef/CSS/Background.php';
   6 require_once 'HTMLPurifier/AttrDef/CSS/BackgroundPosition.php';
   7 require_once 'HTMLPurifier/AttrDef/CSS/Border.php';
   8 require_once 'HTMLPurifier/AttrDef/CSS/Color.php';
   9 require_once 'HTMLPurifier/AttrDef/CSS/Composite.php';
  10 require_once 'HTMLPurifier/AttrDef/CSS/DenyElementDecorator.php';
  11 require_once 'HTMLPurifier/AttrDef/CSS/Font.php';
  12 require_once 'HTMLPurifier/AttrDef/CSS/FontFamily.php';
  13 require_once 'HTMLPurifier/AttrDef/CSS/Length.php';
  14 require_once 'HTMLPurifier/AttrDef/CSS/ListStyle.php';
  15 require_once 'HTMLPurifier/AttrDef/CSS/Multiple.php';
  16 require_once 'HTMLPurifier/AttrDef/CSS/Percentage.php';
  17 require_once 'HTMLPurifier/AttrDef/CSS/TextDecoration.php';
  18 require_once 'HTMLPurifier/AttrDef/CSS/URI.php';
  19 require_once 'HTMLPurifier/AttrDef/Enum.php';
  20
  21 HTMLPurifier_ConfigSchema::define(
  22     'CSS', 'DefinitionRev', 1, 'int', '
  23 <p>
  24     Revision identifier for your custom definition. See
  25     %HTML.DefinitionRev for details. This directive has been available
  26     since 2.0.0.
  27 </p>
  28 ');
  29
  30 /**
  31  * Defines allowed CSS attributes and what their values are.
  32  * @see HTMLPurifier_HTMLDefinition
  33  */
  34 class HTMLPurifier_CSSDefinition extends HTMLPurifier_Definition
  35 {
  36
  37     var $type = 'CSS';
  38
  39     /**
  40      * Assoc array of attribute name to definition object.
  41      */
  42     var $info = array();
  43
  44     /**
  45      * Constructs the info array.  The meat of this class.
  46      */
  47     function doSetup($config) {
  48
  49         $this->info['text-align'] = new HTMLPurifier_AttrDef_Enum(
  50             array('left', 'right', 'center', 'justify'), false);
  51
  52         $border_style =
  53         $this->info['border-bottom-style'] =
  54         $this->info['border-right-style'] =
  55         $this->info['border-left-style'] =
  56         $this->info['border-top-style'] =  new HTMLPurifier_AttrDef_Enum(
  57             array('none', 'hidden', 'dotted', 'dashed', 'solid', 'double',
  58             'groove', 'ridge', 'inset', 'outset'), false);
  59
  60         $this->info['border-style'] = new HTMLPurifier_AttrDef_CSS_Multiple($border_style);
  61
  62         $this->info['clear'] = new HTMLPurifier_AttrDef_Enum(
  63             array('none', 'left', 'right', 'both'), false);
  64         $this->info['float'] = new HTMLPurifier_AttrDef_Enum(
  65             array('none', 'left', 'right'), false);
  66         $this->info['font-style'] = new HTMLPurifier_AttrDef_Enum(
  67             array('normal', 'italic', 'oblique'), false);
  68         $this->info['font-variant'] = new HTMLPurifier_AttrDef_Enum(
  69             array('normal', 'small-caps'), false);
  70
  71         $uri_or_none = new HTMLPurifier_AttrDef_CSS_Composite(
  72             array(
  73                 new HTMLPurifier_AttrDef_Enum(array('none')),
  74                 new HTMLPurifier_AttrDef_CSS_URI()
  75             )
  76         );
  77
  78         $this->info['list-style-position'] = new HTMLPurifier_AttrDef_Enum(
  79             array('inside', 'outside'), false);
  80         $this->info['list-style-type'] = new HTMLPurifier_AttrDef_Enum(
  81             array('disc', 'circle', 'square', 'decimal', 'lower-roman',
  82             'upper-roman', 'lower-alpha', 'upper-alpha', 'none'), false);
  83         $this->info['list-style-image'] = $uri_or_none;
  84
  85         $this->info['list-style'] = new HTMLPurifier_AttrDef_CSS_ListStyle($config);
  86
  87         $this->info['text-transform'] = new HTMLPurifier_AttrDef_Enum(
  88             array('capitalize', 'uppercase', 'lowercase', 'none'), false);
  89         $this->info['color'] = new HTMLPurifier_AttrDef_CSS_Color();
  90
  91         $this->info['background-image'] = $uri_or_none;
  92         $this->info['background-repeat'] = new HTMLPurifier_AttrDef_Enum(
  93             array('repeat', 'repeat-x', 'repeat-y', 'no-repeat')
  94         );
  95         $this->info['background-attachment'] = new HTMLPurifier_AttrDef_Enum(
  96             array('scroll', 'fixed')
  97         );
  98         $this->info['background-position'] = new HTMLPurifier_AttrDef_CSS_BackgroundPosition();
  99
 100         $border_color =
 101         $this->info['border-top-color'] =
 102         $this->info['border-bottom-color'] =
 103         $this->info['border-left-color'] =
 104         $this->info['border-right-color'] =
 105         $this->info['background-color'] = new HTMLPurifier_AttrDef_CSS_Composite(array(
 106             new HTMLPurifier_AttrDef_Enum(array('transparent')),
 107             new HTMLPurifier_AttrDef_CSS_Color()
 108         ));
 109
 110         $this->info['background'] = new HTMLPurifier_AttrDef_CSS_Background($config);
 111
 112         $this->info['border-color'] = new HTMLPurifier_AttrDef_CSS_Multiple($border_color);
 113
 114         $border_width =
 115         $this->info['border-top-width'] =
 116         $this->info['border-bottom-width'] =
 117         $this->info['border-left-width'] =
 118         $this->info['border-right-width'] = new HTMLPurifier_AttrDef_CSS_Composite(array(
 119             new HTMLPurifier_AttrDef_Enum(array('thin', 'medium', 'thick')),
 120             new HTMLPurifier_AttrDef_CSS_Length(true) //disallow negative
 121         ));
 122
 123         $this->info['border-width'] = new HTMLPurifier_AttrDef_CSS_Multiple($border_width);
 124
 125         $this->info['letter-spacing'] = new HTMLPurifier_AttrDef_CSS_Composite(array(
 126             new HTMLPurifier_AttrDef_Enum(array('normal')),
 127             new HTMLPurifier_AttrDef_CSS_Length()
 128         ));
 129
 130         $this->info['word-spacing'] = new HTMLPurifier_AttrDef_CSS_Composite(array(
 131             new HTMLPurifier_AttrDef_Enum(array('normal')),
 132             new HTMLPurifier_AttrDef_CSS_Length()
 133         ));
 134
 135         $this->info['font-size'] = new HTMLPurifier_AttrDef_CSS_Composite(array(
 136             new HTMLPurifier_AttrDef_Enum(array('xx-small', 'x-small',
 137                 'small', 'medium', 'large', 'x-large', 'xx-large',
 138                 'larger', 'smaller')),
 139             new HTMLPurifier_AttrDef_CSS_Percentage(),
 140             new HTMLPurifier_AttrDef_CSS_Length()
 141         ));
 142
 143         $this->info['line-height'] = new HTMLPurifier_AttrDef_CSS_Composite(array(
 144             new HTMLPurifier_AttrDef_Enum(array('normal')),
 145             new HTMLPurifier_AttrDef_CSS_Number(true), // no negatives
 146             new HTMLPurifier_AttrDef_CSS_Length(true),
 147             new HTMLPurifier_AttrDef_CSS_Percentage(true)
 148         ));
 149
 150         $margin =
 151         $this->info['margin-top'] =
 152         $this->info['margin-bottom'] =
 153         $this->info['margin-left'] =
 154         $this->info['margin-right'] = new HTMLPurifier_AttrDef_CSS_Composite(array(
 155             new HTMLPurifier_AttrDef_CSS_Length(),
 156             new HTMLPurifier_AttrDef_CSS_Percentage(),
 157             new HTMLPurifier_AttrDef_Enum(array('auto'))
 158         ));
 159
 160         $this->info['margin'] = new HTMLPurifier_AttrDef_CSS_Multiple($margin);
 161
 162         // non-negative
 163         $padding =
 164         $this->info['padding-top'] =
 165         $this->info['padding-bottom'] =
 166         $this->info['padding-left'] =
 167         $this->info['padding-right'] = new HTMLPurifier_AttrDef_CSS_Composite(array(
 168             new HTMLPurifier_AttrDef_CSS_Length(true),
 169             new HTMLPurifier_AttrDef_CSS_Percentage(true)
 170         ));
 171
 172         $this->info['padding'] = new HTMLPurifier_AttrDef_CSS_Multiple($padding);
 173
 174         $this->info['text-indent'] = new HTMLPurifier_AttrDef_CSS_Composite(array(
 175             new HTMLPurifier_AttrDef_CSS_Length(),
 176             new HTMLPurifier_AttrDef_CSS_Percentage()
 177         ));
 178
 179         $this->info['width'] =
 180         $this->info['height'] =
 181         new HTMLPurifier_AttrDef_CSS_DenyElementDecorator(
 182         new HTMLPurifier_AttrDef_CSS_Composite(array(
 183             new HTMLPurifier_AttrDef_CSS_Length(true),
 184             new HTMLPurifier_AttrDef_CSS_Percentage(true),
 185             new HTMLPurifier_AttrDef_Enum(array('auto'))
 186         )), 'img');
 187
 188         $this->info['text-decoration'] = new HTMLPurifier_AttrDef_CSS_TextDecoration();
 189
 190         $this->info['font-family'] = new HTMLPurifier_AttrDef_CSS_FontFamily();
 191
 192         // this could use specialized code
 193         $this->info['font-weight'] = new HTMLPurifier_AttrDef_Enum(
 194             array('normal', 'bold', 'bolder', 'lighter', '100', '200', '300',
 195             '400', '500', '600', '700', '800', '900'), false);
 196
 197         // MUST be called after other font properties, as it references
 198         // a CSSDefinition object
 199         $this->info['font'] = new HTMLPurifier_AttrDef_CSS_Font($config);
 200
 201         // same here
 202         $this->info['border'] =
 203         $this->info['border-bottom'] =
 204         $this->info['border-top'] =
 205         $this->info['border-left'] =
 206         $this->info['border-right'] = new HTMLPurifier_AttrDef_CSS_Border($config);
 207
 208         $this->info['border-collapse'] = new HTMLPurifier_AttrDef_Enum(array(
 209             'collapse', 'separate'));
 210
 211         $this->info['caption-side'] = new HTMLPurifier_AttrDef_Enum(array(
 212             'top', 'bottom'));
 213
 214         $this->info['table-layout'] = new HTMLPurifier_AttrDef_Enum(array(
 215             'auto', 'fixed'));
 216
 217         $this->info['vertical-align'] = new HTMLPurifier_AttrDef_CSS_Composite(array(
 218             new HTMLPurifier_AttrDef_Enum(array('baseline', 'sub', 'super',
 219                 'top', 'text-top', 'middle', 'bottom', 'text-bottom')),
 220             new HTMLPurifier_AttrDef_CSS_Length(),
 221             new HTMLPurifier_AttrDef_CSS_Percentage()
 222         ));
 223
 224         $this->info['border-spacing'] = new HTMLPurifier_AttrDef_CSS_Multiple(new HTMLPurifier_AttrDef_CSS_Length(), 2);
 225
 226         // partial support
 227         $this->info['white-space'] = new HTMLPurifier_AttrDef_Enum(array('nowrap'));
 228
 229     }
 230
 231 }
 232