library/HTMLPurifier/CSSDefinition.php

   1 <?php
   2
   3 require_once 'HTMLPurifier/AttrDef/Enum.php';
   4 require_once 'HTMLPurifier/AttrDef/Color.php';
   5 require_once 'HTMLPurifier/AttrDef/Composite.php';
   6 require_once 'HTMLPurifier/AttrDef/CSSLength.php';
   7 require_once 'HTMLPurifier/AttrDef/Percentage.php';
   8
   9 class HTMLPurifier_CSSDefinition
  10 {
  11
  12     var $info = array();
  13
  14     function &instance($prototype = null) {
  15         static $instance = null;
  16         if ($prototype) {
  17             $instance = $prototype;
  18         } elseif (!$instance) {
  19             $instance = new HTMLPurifier_CSSDefinition();
  20             $instance->setup();
  21         }
  22         return $instance;
  23     }
  24
  25     function HTMLPurifier_CSSDefinition() {}
  26
  27     function setup() {
  28
  29         $this->info['text-align'] = new HTMLPurifier_AttrDef_Enum(
  30             array('left', 'right', 'center', 'justify'), false);
  31         $this->info['border-bottom-style'] =
  32         $this->info['border-right-style'] =
  33         $this->info['border-left-style'] =
  34         $this->info['border-top-style'] =  new HTMLPurifier_AttrDef_Enum(
  35             array('none', 'hidden', 'dotted', 'dashed', 'solid', 'double',
  36             'groove', 'ridge', 'inset', 'outset'), false);
  37         $this->info['clear'] = new HTMLPurifier_AttrDef_Enum(
  38             array('none', 'left', 'right', 'both'), false);
  39         $this->info['float'] = new HTMLPurifier_AttrDef_Enum(
  40             array('none', 'left', 'right'), false);
  41         $this->info['font-style'] = new HTMLPurifier_AttrDef_Enum(
  42             array('normal', 'italic', 'oblique'), false);
  43         $this->info['font-variant'] = new HTMLPurifier_AttrDef_Enum(
  44             array('normal', 'small-caps'), false);
  45         $this->info['list-style-position'] = new HTMLPurifier_AttrDef_Enum(
  46             array('inside', 'outside'), false);
  47         $this->info['list-style-type'] = new HTMLPurifier_AttrDef_Enum(
  48             array('disc', 'circle', 'square', 'decimal', 'lower-roman',
  49             'upper-roman', 'lower-alpha', 'upper-alpha'), false);
  50         $this->info['text-transform'] = new HTMLPurifier_AttrDef_Enum(
  51             array('capitalize', 'uppercase', 'lowercase', 'none'), false);
  52         $this->info['color'] = new HTMLPurifier_AttrDef_Color();
  53
  54         $this->info['border-top-color'] =
  55         $this->info['border-bottom-color'] =
  56         $this->info['border-left-color'] =
  57         $this->info['border-right-color'] =
  58         $this->info['background-color'] = new HTMLPurifier_AttrDef_Composite(array(
  59             new HTMLPurifier_AttrDef_Enum(array('transparent')),
  60             new HTMLPurifier_AttrDef_Color()
  61         ));
  62
  63         $this->info['border-top-width'] =
  64         $this->info['border-bottom-width'] =
  65         $this->info['border-left-width'] =
  66         $this->info['border-right-width'] = new HTMLPurifier_AttrDef_Composite(array(
  67             new HTMLPurifier_AttrDef_Enum(array('thin', 'medium', 'thick')),
  68             new HTMLPurifier_AttrDef_CSSLength(true) //disallow negative
  69         ));
  70
  71         $this->info['letter-spacing'] = new HTMLPurifier_AttrDef_Composite(array(
  72             new HTMLPurifier_AttrDef_Enum(array('normal')),
  73             new HTMLPurifier_AttrDef_CSSLength()
  74         ));
  75
  76         $this->info['word-spacing'] = new HTMLPurifier_AttrDef_Composite(array(
  77             new HTMLPurifier_AttrDef_Enum(array('normal')),
  78             new HTMLPurifier_AttrDef_CSSLength()
  79         ));
  80
  81         $this->info['font-size'] = new HTMLPurifier_AttrDef_Composite(array(
  82             new HTMLPurifier_AttrDef_Enum(array('xx-small', 'x-small',
  83                 'small', 'medium', 'large', 'x-large', 'xx-large',
  84                 'larger', 'smaller')),
  85             new HTMLPurifier_AttrDef_Percentage(),
  86             new HTMLPurifier_AttrDef_CSSLength()
  87         ));
  88
  89         $this->info['line-height'] = new HTMLPurifier_AttrDef_Composite(array(
  90             new HTMLPurifier_AttrDef_Enum(array('normal')),
  91             new HTMLPurifier_AttrDef_Number(true), // no negatives
  92             new HTMLPurifier_AttrDef_CSSLength(true),
  93             new HTMLPurifier_AttrDef_Percentage(true)
  94         ));
  95
  96         $this->info['margin-top'] =
  97         $this->info['margin-bottom'] =
  98         $this->info['margin-left'] =
  99         $this->info['margin-right'] = new HTMLPurifier_AttrDef_Composite(array(
 100             new HTMLPurifier_AttrDef_CSSLength(),
 101             new HTMLPurifier_AttrDef_Percentage(),
 102             new HTMLPurifier_AttrDef_Enum(array('auto'))
 103         ));
 104
 105         // non-negative
 106         $this->info['padding-top'] =
 107         $this->info['padding-bottom'] =
 108         $this->info['padding-left'] =
 109         $this->info['padding-right'] = new HTMLPurifier_AttrDef_Composite(array(
 110             new HTMLPurifier_AttrDef_CSSLength(true),
 111             new HTMLPurifier_AttrDef_Percentage(true)
 112         ));
 113
 114         $this->info['text-indent'] = new HTMLPurifier_AttrDef_Composite(array(
 115             new HTMLPurifier_AttrDef_CSSLength(),
 116             new HTMLPurifier_AttrDef_Percentage()
 117         ));
 118
 119         $this->info['width'] = new HTMLPurifier_AttrDef_Composite(array(
 120             new HTMLPurifier_AttrDef_CSSLength(true),
 121             new HTMLPurifier_AttrDef_Percentage(true),
 122             new HTMLPurifier_AttrDef_Enum(array('auto'))
 123         ));
 124
 125         // this could use specialized code
 126         $this->info['font-weight'] = new HTMLPurifier_AttrDef_Enum(
 127             array('normal', 'bold', 'bolder', 'lighter', '100', '200', '300',
 128             '400', '500', '600', '700', '800', '900'), false);
 129
 130     }
 131
 132 }
 133
 134 ?>