library/HTMLPurifier/HTMLModule/Tidy/XHTMLAndHTML4.php

   1 <?php
   2
   3 class HTMLPurifier_HTMLModule_Tidy_XHTMLAndHTML4 extends HTMLPurifier_HTMLModule_Tidy
   4 {
   5
   6     /**
   7      * @return array
   8      */
   9     public function makeFixes()
  10     {
  11         $r = array();
  12
  13         // == deprecated tag transforms ===================================
  14
  15         $r['font'] = new HTMLPurifier_TagTransform_Font();
  16         $r['menu'] = new HTMLPurifier_TagTransform_Simple('ul');
  17         $r['dir'] = new HTMLPurifier_TagTransform_Simple('ul');
  18         $r['center'] = new HTMLPurifier_TagTransform_Simple('div', 'text-align:center;');
  19         $r['u'] = new HTMLPurifier_TagTransform_Simple('span', 'text-decoration:underline;');
  20         $r['s'] = new HTMLPurifier_TagTransform_Simple('span', 'text-decoration:line-through;');
  21         $r['strike'] = new HTMLPurifier_TagTransform_Simple('span', 'text-decoration:line-through;');
  22
  23         // == deprecated attribute transforms =============================
  24
  25         $r['caption@align'] =
  26             new HTMLPurifier_AttrTransform_EnumToCSS(
  27                 'align',
  28                 array(
  29                     // we're following IE's behavior, not Firefox's, due
  30                     // to the fact that no one supports caption-side:right,
  31                     // W3C included (with CSS 2.1). This is a slightly
  32                     // unreasonable attribute!
  33                     'left' => 'text-align:left;',
  34                     'right' => 'text-align:right;',
  35                     'top' => 'caption-side:top;',
  36                     'bottom' => 'caption-side:bottom;' // not supported by IE
  37                 )
  38             );
  39
  40         // @align for img -------------------------------------------------
  41         $r['img@align'] =
  42             new HTMLPurifier_AttrTransform_EnumToCSS(
  43                 'align',
  44                 array(
  45                     'left' => 'float:left;',
  46                     'right' => 'float:right;',
  47                     'top' => 'vertical-align:top;',
  48                     'middle' => 'vertical-align:middle;',
  49                     'bottom' => 'vertical-align:baseline;',
  50                 )
  51             );
  52
  53         // @align for table -----------------------------------------------
  54         $r['table@align'] =
  55             new HTMLPurifier_AttrTransform_EnumToCSS(
  56                 'align',
  57                 array(
  58                     'left' => 'float:left;',
  59                     'center' => 'margin-left:auto;margin-right:auto;',
  60                     'right' => 'float:right;'
  61                 )
  62             );
  63
  64         // @align for hr -----------------------------------------------
  65         $r['hr@align'] =
  66             new HTMLPurifier_AttrTransform_EnumToCSS(
  67                 'align',
  68                 array(
  69                     // we use both text-align and margin because these work
  70                     // for different browsers (IE and Firefox, respectively)
  71                     // and the melange makes for a pretty cross-compatible
  72                     // solution
  73                     'left' => 'margin-left:0;margin-right:auto;text-align:left;',
  74                     'center' => 'margin-left:auto;margin-right:auto;text-align:center;',
  75                     'right' => 'margin-left:auto;margin-right:0;text-align:right;'
  76                 )
  77             );
  78
  79         // @align for h1, h2, h3, h4, h5, h6, p, div ----------------------
  80         // {{{
  81         $align_lookup = array();
  82         $align_values = array('left', 'right', 'center', 'justify');
  83         foreach ($align_values as $v) {
  84             $align_lookup[$v] = "text-align:$v;";
  85         }
  86         // }}}
  87         $r['h1@align'] =
  88         $r['h2@align'] =
  89         $r['h3@align'] =
  90         $r['h4@align'] =
  91         $r['h5@align'] =
  92         $r['h6@align'] =
  93         $r['p@align'] =
  94         $r['div@align'] =
  95             new HTMLPurifier_AttrTransform_EnumToCSS('align', $align_lookup);
  96
  97         // @bgcolor for table, tr, td, th ---------------------------------
  98         $r['table@bgcolor'] =
  99         $r['td@bgcolor'] =
 100         $r['th@bgcolor'] =
 101             new HTMLPurifier_AttrTransform_BgColor();
 102
 103         // @border for img ------------------------------------------------
 104         $r['img@border'] = new HTMLPurifier_AttrTransform_Border();
 105
 106         // @clear for br --------------------------------------------------
 107         $r['br@clear'] =
 108             new HTMLPurifier_AttrTransform_EnumToCSS(
 109                 'clear',
 110                 array(
 111                     'left' => 'clear:left;',
 112                     'right' => 'clear:right;',
 113                     'all' => 'clear:both;',
 114                     'none' => 'clear:none;',
 115                 )
 116             );
 117
 118         // @height for td, th ---------------------------------------------
 119         $r['td@height'] =
 120         $r['th@height'] =
 121             new HTMLPurifier_AttrTransform_Length('height');
 122
 123         // @hspace for img ------------------------------------------------
 124         $r['img@hspace'] = new HTMLPurifier_AttrTransform_ImgSpace('hspace');
 125
 126         // @noshade for hr ------------------------------------------------
 127         // this transformation is not precise but often good enough.
 128         // different browsers use different styles to designate noshade
 129         $r['hr@noshade'] =
 130             new HTMLPurifier_AttrTransform_BoolToCSS(
 131                 'noshade',
 132                 'color:#808080;background-color:#808080;border:0;'
 133             );
 134
 135         // @nowrap for td, th ---------------------------------------------
 136         $r['td@nowrap'] =
 137         $r['th@nowrap'] =
 138             new HTMLPurifier_AttrTransform_BoolToCSS(
 139                 'nowrap',
 140                 'white-space:nowrap;'
 141             );
 142
 143         // @size for hr  --------------------------------------------------
 144         $r['hr@size'] = new HTMLPurifier_AttrTransform_Length('size', 'height');
 145
 146         // @type for li, ol, ul -------------------------------------------
 147         // {{{
 148         $ul_types = array(
 149             'disc' => 'list-style-type:disc;',
 150             'square' => 'list-style-type:square;',
 151             'circle' => 'list-style-type:circle;'
 152         );
 153         $ol_types = array(
 154             '1' => 'list-style-type:decimal;',
 155             'i' => 'list-style-type:lower-roman;',
 156             'I' => 'list-style-type:upper-roman;',
 157             'a' => 'list-style-type:lower-alpha;',
 158             'A' => 'list-style-type:upper-alpha;'
 159         );
 160         $li_types = $ul_types + $ol_types;
 161         // }}}
 162
 163         $r['ul@type'] = new HTMLPurifier_AttrTransform_EnumToCSS('type', $ul_types);
 164         $r['ol@type'] = new HTMLPurifier_AttrTransform_EnumToCSS('type', $ol_types, true);
 165         $r['li@type'] = new HTMLPurifier_AttrTransform_EnumToCSS('type', $li_types, true);
 166
 167         // @vspace for img ------------------------------------------------
 168         $r['img@vspace'] = new HTMLPurifier_AttrTransform_ImgSpace('vspace');
 169
 170         // @width for hr, td, th ------------------------------------------
 171         $r['td@width'] =
 172         $r['th@width'] =
 173         $r['hr@width'] = new HTMLPurifier_AttrTransform_Length('width');
 174
 175         return $r;
 176     }
 177 }
 178
 179 // vim: et sw=4 sts=4