library/HTMLPurifier/HTMLModule/Tidy/XHTMLAndHTML4.php

   1 <?php
   2
   3 require_once 'HTMLPurifier/HTMLModule/Tidy.php';
   4
   5 require_once 'HTMLPurifier/TagTransform/Simple.php';
   6 require_once 'HTMLPurifier/TagTransform/Font.php';
   7
   8 require_once 'HTMLPurifier/AttrTransform/BgColor.php';
   9 require_once 'HTMLPurifier/AttrTransform/BoolToCSS.php';
  10 require_once 'HTMLPurifier/AttrTransform/Border.php';
  11 require_once 'HTMLPurifier/AttrTransform/Name.php';
  12 require_once 'HTMLPurifier/AttrTransform/Length.php';
  13 require_once 'HTMLPurifier/AttrTransform/ImgSpace.php';
  14 require_once 'HTMLPurifier/AttrTransform/EnumToCSS.php';
  15
  16 require_once 'HTMLPurifier/ChildDef/StrictBlockquote.php';
  17
  18 class HTMLPurifier_HTMLModule_Tidy_XHTMLAndHTML4 extends
  19       HTMLPurifier_HTMLModule_Tidy
  20 {
  21
  22     function makeFixes() {
  23
  24         $r = array();
  25
  26         // == deprecated tag transforms ===================================
  27
  28         $r['font']   = new HTMLPurifier_TagTransform_Font();
  29         $r['menu']   = new HTMLPurifier_TagTransform_Simple('ul');
  30         $r['dir']    = new HTMLPurifier_TagTransform_Simple('ul');
  31         $r['center'] = new HTMLPurifier_TagTransform_Simple('div',  'text-align:center;');
  32         $r['u']      = new HTMLPurifier_TagTransform_Simple('span', 'text-decoration:underline;');
  33         $r['s']      = new HTMLPurifier_TagTransform_Simple('span', 'text-decoration:line-through;');
  34         $r['strike'] = new HTMLPurifier_TagTransform_Simple('span', 'text-decoration:line-through;');
  35
  36         // == deprecated attribute transforms =============================
  37
  38         $r['caption@align'] =
  39             new HTMLPurifier_AttrTransform_EnumToCSS('align', array(
  40                 // we're following IE's behavior, not Firefox's, due
  41                 // to the fact that no one supports caption-side:right,
  42                 // W3C included (with CSS 2.1). This is a slightly
  43                 // unreasonable attribute!
  44                 'left'   => 'text-align:left;',
  45                 'right'  => 'text-align:right;',
  46                 'top'    => 'caption-side:top;',
  47                 'bottom' => 'caption-side:bottom;' // not supported by IE
  48             ));
  49
  50         // @align for img -------------------------------------------------
  51         $r['img@align'] =
  52             new HTMLPurifier_AttrTransform_EnumToCSS('align', array(
  53                 'left'   => 'float:left;',
  54                 'right'  => 'float:right;',
  55                 'top'    => 'vertical-align:top;',
  56                 'middle' => 'vertical-align:middle;',
  57                 'bottom' => 'vertical-align:baseline;',
  58             ));
  59
  60         // @align for table -----------------------------------------------
  61         $r['table@align'] =
  62             new HTMLPurifier_AttrTransform_EnumToCSS('align', array(
  63                 'left'   => 'float:left;',
  64                 'center' => 'margin-left:auto;margin-right:auto;',
  65                 'right'  => 'float:right;'
  66             ));
  67
  68         // @align for hr -----------------------------------------------
  69         $r['hr@align'] =
  70             new HTMLPurifier_AttrTransform_EnumToCSS('align', array(
  71                 // we use both text-align and margin because these work
  72                 // for different browsers (IE and Firefox, respectively)
  73                 // and the melange makes for a pretty cross-compatible
  74                 // solution
  75                 'left'   => 'margin-left:0;margin-right:auto;text-align:left;',
  76                 'center' => 'margin-left:auto;margin-right:auto;text-align:center;',
  77                 'right'  => 'margin-left:auto;margin-right:0;text-align:right;'
  78             ));
  79
  80         // @align for h1, h2, h3, h4, h5, h6, p, div ----------------------
  81         // {{{
  82             $align_lookup = array();
  83             $align_values = array('left', 'right', 'center', 'justify');
  84             foreach ($align_values as $v) $align_lookup[$v] = "text-align:$v;";
  85         // }}}
  86         $r['h1@align'] =
  87         $r['h2@align'] =
  88         $r['h3@align'] =
  89         $r['h4@align'] =
  90         $r['h5@align'] =
  91         $r['h6@align'] =
  92         $r['p@align']  =
  93         $r['div@align'] =
  94             new HTMLPurifier_AttrTransform_EnumToCSS('align', $align_lookup);
  95
  96         // @bgcolor for table, tr, td, th ---------------------------------
  97         $r['table@bgcolor'] =
  98         $r['td@bgcolor'] =
  99         $r['th@bgcolor'] =
 100             new HTMLPurifier_AttrTransform_BgColor();
 101
 102         // @border for img ------------------------------------------------
 103         $r['img@border'] = new HTMLPurifier_AttrTransform_Border();
 104
 105         // @clear for br --------------------------------------------------
 106         $r['br@clear'] =
 107             new HTMLPurifier_AttrTransform_EnumToCSS('clear', array(
 108                 'left'  => 'clear:left;',
 109                 'right' => 'clear:right;',
 110                 'all'   => 'clear:both;',
 111                 'none'  => 'clear:none;',
 112             ));
 113
 114         // @height for td, th ---------------------------------------------
 115         $r['td@height'] =
 116         $r['th@height'] =
 117             new HTMLPurifier_AttrTransform_Length('height');
 118
 119         // @hspace for img ------------------------------------------------
 120         $r['img@hspace'] = new HTMLPurifier_AttrTransform_ImgSpace('hspace');
 121
 122         // @name for img, a -----------------------------------------------
 123         $r['img@name'] =
 124         $r['a@name'] = new HTMLPurifier_AttrTransform_Name();
 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 }
 180
 181 class HTMLPurifier_HTMLModule_Tidy_Transitional extends
 182       HTMLPurifier_HTMLModule_Tidy_XHTMLAndHTML4
 183 {
 184     var $name = 'Tidy_Transitional';
 185     var $defaultLevel = 'heavy';
 186 }
 187
 188 class HTMLPurifier_HTMLModule_Tidy_Strict extends
 189       HTMLPurifier_HTMLModule_Tidy_XHTMLAndHTML4
 190 {
 191     var $name = 'Tidy_Strict';
 192     var $defaultLevel = 'light';
 193
 194     function makeFixes() {
 195         $r = parent::makeFixes();
 196         $r['blockquote#content_model_type'] = 'strictblockquote';
 197         return $r;
 198     }
 199
 200     var $defines_child_def = true;
 201     function getChildDef($def) {
 202         if ($def->content_model_type != 'strictblockquote') return parent::getChildDef($def);
 203         return new HTMLPurifier_ChildDef_StrictBlockquote($def->content_model);
 204     }
 205 }
 206