<?php
class HTMLPurifier_HTMLModule_Tidy_XHTMLAndHTML4 extends HTMLPurifier_HTMLModule_Tidy {
	
	/**
	 *
	 * @return array
	 */
	public function makeFixes() {
		$r = array ();
		
		// == deprecated tag transforms ===================================
		
		$r ['font'] = new HTMLPurifier_TagTransform_Font ();
		$r ['menu'] = new HTMLPurifier_TagTransform_Simple ( 'ul' );
		$r ['dir'] = new HTMLPurifier_TagTransform_Simple ( 'ul' );
		$r ['center'] = new HTMLPurifier_TagTransform_Simple ( 'div', 'text-align:center;' );
		$r ['u'] = new HTMLPurifier_TagTransform_Simple ( 'span', 'text-decoration:underline;' );
		$r ['s'] = new HTMLPurifier_TagTransform_Simple ( 'span', 'text-decoration:line-through;' );
		$r ['strike'] = new HTMLPurifier_TagTransform_Simple ( 'span', 'text-decoration:line-through;' );
		
		// == deprecated attribute transforms =============================
		
		$r ['caption@align'] = new HTMLPurifier_AttrTransform_EnumToCSS ( 'align', array (
				// we're following IE's behavior, not Firefox's, due
				// to the fact that no one supports caption-side:right,
				// W3C included (with CSS 2.1). This is a slightly
				// unreasonable attribute!
				'left' => 'text-align:left;',
				'right' => 'text-align:right;',
				'top' => 'caption-side:top;',
				'bottom' => 'caption-side:bottom;' 
		) // not supported by IE
 );
		
		// @align for img -------------------------------------------------
		$r ['img@align'] = new HTMLPurifier_AttrTransform_EnumToCSS ( 'align', array (
				'left' => 'float:left;',
				'right' => 'float:right;',
				'top' => 'vertical-align:top;',
				'middle' => 'vertical-align:middle;',
				'bottom' => 'vertical-align:baseline;' 
		) );
		
		// @align for table -----------------------------------------------
		$r ['table@align'] = new HTMLPurifier_AttrTransform_EnumToCSS ( 'align', array (
				'left' => 'float:left;',
				'center' => 'margin-left:auto;margin-right:auto;',
				'right' => 'float:right;' 
		) );
		
		// @align for hr -----------------------------------------------
		$r ['hr@align'] = new HTMLPurifier_AttrTransform_EnumToCSS ( 'align', array (
				// we use both text-align and margin because these work
				// for different browsers (IE and Firefox, respectively)
				// and the melange makes for a pretty cross-compatible
				// solution
				'left' => 'margin-left:0;margin-right:auto;text-align:left;',
				'center' => 'margin-left:auto;margin-right:auto;text-align:center;',
				'right' => 'margin-left:auto;margin-right:0;text-align:right;' 
		) );
		
		// @align for h1, h2, h3, h4, h5, h6, p, div ----------------------
		// {{{
		$align_lookup = array ();
		$align_values = array (
				'left',
				'right',
				'center',
				'justify' 
		);
		foreach ( $align_values as $v ) {
			$align_lookup [$v] = "text-align:$v;";
		}
		// }}}
		$r ['h1@align'] = $r ['h2@align'] = $r ['h3@align'] = $r ['h4@align'] = $r ['h5@align'] = $r ['h6@align'] = $r ['p@align'] = $r ['div@align'] = new HTMLPurifier_AttrTransform_EnumToCSS ( 'align', $align_lookup );
		
		// @bgcolor for table, tr, td, th ---------------------------------
		$r ['table@bgcolor'] = $r ['td@bgcolor'] = $r ['th@bgcolor'] = new HTMLPurifier_AttrTransform_BgColor ();
		
		// @border for img ------------------------------------------------
		$r ['img@border'] = new HTMLPurifier_AttrTransform_Border ();
		
		// @clear for br --------------------------------------------------
		$r ['br@clear'] = new HTMLPurifier_AttrTransform_EnumToCSS ( 'clear', array (
				'left' => 'clear:left;',
				'right' => 'clear:right;',
				'all' => 'clear:both;',
				'none' => 'clear:none;' 
		) );
		
		// @height for td, th ---------------------------------------------
		$r ['td@height'] = $r ['th@height'] = new HTMLPurifier_AttrTransform_Length ( 'height' );
		
		// @hspace for img ------------------------------------------------
		$r ['img@hspace'] = new HTMLPurifier_AttrTransform_ImgSpace ( 'hspace' );
		
		// @noshade for hr ------------------------------------------------
		// this transformation is not precise but often good enough.
		// different browsers use different styles to designate noshade
		$r ['hr@noshade'] = new HTMLPurifier_AttrTransform_BoolToCSS ( 'noshade', 'color:#808080;background-color:#808080;border:0;' );
		
		// @nowrap for td, th ---------------------------------------------
		$r ['td@nowrap'] = $r ['th@nowrap'] = new HTMLPurifier_AttrTransform_BoolToCSS ( 'nowrap', 'white-space:nowrap;' );
		
		// @size for hr --------------------------------------------------
		$r ['hr@size'] = new HTMLPurifier_AttrTransform_Length ( 'size', 'height' );
		
		// @type for li, ol, ul -------------------------------------------
		// {{{
		$ul_types = array (
				'disc' => 'list-style-type:disc;',
				'square' => 'list-style-type:square;',
				'circle' => 'list-style-type:circle;' 
		);
		$ol_types = array (
				'1' => 'list-style-type:decimal;',
				'i' => 'list-style-type:lower-roman;',
				'I' => 'list-style-type:upper-roman;',
				'a' => 'list-style-type:lower-alpha;',
				'A' => 'list-style-type:upper-alpha;' 
		);
		$li_types = $ul_types + $ol_types;
		// }}}
		
		$r ['ul@type'] = new HTMLPurifier_AttrTransform_EnumToCSS ( 'type', $ul_types );
		$r ['ol@type'] = new HTMLPurifier_AttrTransform_EnumToCSS ( 'type', $ol_types, true );
		$r ['li@type'] = new HTMLPurifier_AttrTransform_EnumToCSS ( 'type', $li_types, true );
		
		// @vspace for img ------------------------------------------------
		$r ['img@vspace'] = new HTMLPurifier_AttrTransform_ImgSpace ( 'vspace' );
		
		// @width for hr, td, th ------------------------------------------
		$r ['td@width'] = $r ['th@width'] = $r ['hr@width'] = new HTMLPurifier_AttrTransform_Length ( 'width' );
		
		return $r;
	}
}

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