Search moodle.org's
Developer Documentation

See Release Notes

  • Bug fixes for general core bugs in 4.3.x will end 7 October 2024 (12 months).
  • Bug fixes for security issues in 4.3.x will end 21 April 2025 (18 months).
  • PHP version: minimum PHP 8.0.0 Note: minimum PHP version has increased since Moodle 4.1. PHP 8.2.x is supported too.
<?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['tr@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 ------------------------------------------
> // @width for table, hr, td, th, col ------------------------------------------ > $r['table@width'] =
$r['td@width'] = $r['th@width'] =
> $r['col@width'] =
$r['hr@width'] = new HTMLPurifier_AttrTransform_Length('width'); return $r; } } // vim: et sw=4 sts=4