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