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 require_once 'HTMLPurifier/AttrDef/Multiple.php';
   9
  10 class HTMLPurifier_CSSDefinition
  11 {
  12
  13     var $info = array();
  14
  15     function &instance($prototype = null) {
  16         static $instance = null;
  17         if ($prototype) {
  18             $instance = $prototype;
  19         } elseif (!$instance) {
  20             $instance = new HTMLPurifier_CSSDefinition();
  21             $instance->setup();
  22         }
  23         return $instance;
  24     }
  25
  26     function HTMLPurifier_CSSDefinition() {}
  27
  28     function setup() {
  29
  30         $this->info['text-align'] = new HTMLPurifier_AttrDef_Enum(
  31             array('left', 'right', 'center', 'justify'), false);
  32
  33         $border_style =
  34         $this->info['border-bottom-style'] =
  35         $this->info['border-right-style'] =
  36         $this->info['border-left-style'] =
  37         $this->info['border-top-style'] =  new HTMLPurifier_AttrDef_Enum(
  38             array('none', 'hidden', 'dotted', 'dashed', 'solid', 'double',
  39             'groove', 'ridge', 'inset', 'outset'), false);
  40
  41         $this->info['border-style'] = new HTMLPurifier_AttrDef_Multiple($border_style);
  42
  43         $this->info['clear'] = new HTMLPurifier_AttrDef_Enum(
  44             array('none', 'left', 'right', 'both'), false);
  45         $this->info['float'] = new HTMLPurifier_AttrDef_Enum(
  46             array('none', 'left', 'right'), false);
  47         $this->info['font-style'] = new HTMLPurifier_AttrDef_Enum(
  48             array('normal', 'italic', 'oblique'), false);
  49         $this->info['font-variant'] = new HTMLPurifier_AttrDef_Enum(
  50             array('normal', 'small-caps'), false);
  51         $this->info['list-style-position'] = new HTMLPurifier_AttrDef_Enum(
  52             array('inside', 'outside'), false);
  53         $this->info['list-style-type'] = new HTMLPurifier_AttrDef_Enum(
  54             array('disc', 'circle', 'square', 'decimal', 'lower-roman',
  55             'upper-roman', 'lower-alpha', 'upper-alpha'), false);
  56         $this->info['text-transform'] = new HTMLPurifier_AttrDef_Enum(
  57             array('capitalize', 'uppercase', 'lowercase', 'none'), false);
  58         $this->info['color'] = new HTMLPurifier_AttrDef_Color();
  59
  60         $border_color =
  61         $this->info['border-top-color'] =
  62         $this->info['border-bottom-color'] =
  63         $this->info['border-left-color'] =
  64         $this->info['border-right-color'] =
  65         $this->info['background-color'] = new HTMLPurifier_AttrDef_Composite(array(
  66             new HTMLPurifier_AttrDef_Enum(array('transparent')),
  67             new HTMLPurifier_AttrDef_Color()
  68         ));
  69
  70         $this->info['border-color'] = new HTMLPurifier_AttrDef_Multiple($border_color);
  71
  72         $border_width =
  73         $this->info['border-top-width'] =
  74         $this->info['border-bottom-width'] =
  75         $this->info['border-left-width'] =
  76         $this->info['border-right-width'] = new HTMLPurifier_AttrDef_Composite(array(
  77             new HTMLPurifier_AttrDef_Enum(array('thin', 'medium', 'thick')),
  78             new HTMLPurifier_AttrDef_CSSLength(true) //disallow negative
  79         ));
  80
  81         $this->info['border-width'] = new HTMLPurifier_AttrDef_Multiple($border_width);
  82
  83         $this->info['letter-spacing'] = new HTMLPurifier_AttrDef_Composite(array(
  84             new HTMLPurifier_AttrDef_Enum(array('normal')),
  85             new HTMLPurifier_AttrDef_CSSLength()
  86         ));
  87
  88         $this->info['word-spacing'] = new HTMLPurifier_AttrDef_Composite(array(
  89             new HTMLPurifier_AttrDef_Enum(array('normal')),
  90             new HTMLPurifier_AttrDef_CSSLength()
  91         ));
  92
  93         $this->info['font-size'] = new HTMLPurifier_AttrDef_Composite(array(
  94             new HTMLPurifier_AttrDef_Enum(array('xx-small', 'x-small',
  95                 'small', 'medium', 'large', 'x-large', 'xx-large',
  96                 'larger', 'smaller')),
  97             new HTMLPurifier_AttrDef_Percentage(),
  98             new HTMLPurifier_AttrDef_CSSLength()
  99         ));
 100
 101         $this->info['line-height'] = new HTMLPurifier_AttrDef_Composite(array(
 102             new HTMLPurifier_AttrDef_Enum(array('normal')),
 103             new HTMLPurifier_AttrDef_Number(true), // no negatives
 104             new HTMLPurifier_AttrDef_CSSLength(true),
 105             new HTMLPurifier_AttrDef_Percentage(true)
 106         ));
 107
 108         $margin =
 109         $this->info['margin-top'] =
 110         $this->info['margin-bottom'] =
 111         $this->info['margin-left'] =
 112         $this->info['margin-right'] = new HTMLPurifier_AttrDef_Composite(array(
 113             new HTMLPurifier_AttrDef_CSSLength(),
 114             new HTMLPurifier_AttrDef_Percentage(),
 115             new HTMLPurifier_AttrDef_Enum(array('auto'))
 116         ));
 117
 118         $this->info['margin'] = new HTMLPurifier_AttrDef_Multiple($margin);
 119
 120         // non-negative
 121         $padding =
 122         $this->info['padding-top'] =
 123         $this->info['padding-bottom'] =
 124         $this->info['padding-left'] =
 125         $this->info['padding-right'] = new HTMLPurifier_AttrDef_Composite(array(
 126             new HTMLPurifier_AttrDef_CSSLength(true),
 127             new HTMLPurifier_AttrDef_Percentage(true)
 128         ));
 129
 130         $this->info['padding'] = new HTMLPurifier_AttrDef_Multiple($padding);
 131
 132         $this->info['text-indent'] = new HTMLPurifier_AttrDef_Composite(array(
 133             new HTMLPurifier_AttrDef_CSSLength(),
 134             new HTMLPurifier_AttrDef_Percentage()
 135         ));
 136
 137         $this->info['width'] = new HTMLPurifier_AttrDef_Composite(array(
 138             new HTMLPurifier_AttrDef_CSSLength(true),
 139             new HTMLPurifier_AttrDef_Percentage(true),
 140             new HTMLPurifier_AttrDef_Enum(array('auto'))
 141         ));
 142
 143         // this could use specialized code
 144         $this->info['font-weight'] = new HTMLPurifier_AttrDef_Enum(
 145             array('normal', 'bold', 'bolder', 'lighter', '100', '200', '300',
 146             '400', '500', '600', '700', '800', '900'), false);
 147
 148     }
 149
 150 }
 151
 152 ?>