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<title>[57326] trunk: HTML API: Support PARAM, SOURCE, and TRACK tags.</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="https://core.trac.wordpress.org/changeset/57326">57326</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"https://core.trac.wordpress.org/changeset/57326","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>dmsnell</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2024-01-23 01:49:06 +0000 (Tue, 23 Jan 2024)</dd>
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<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>HTML API: Support PARAM, SOURCE, and TRACK tags.

Adds support for the following HTML elements to the HTML Processor:

 - PARAM, SOURCE, TRACK

Previously these elements were not supported and the HTML Processor would bail when encountering them. Now, with this patch applied, it will proceed to parse an HTML document when encountering those tags.

Props jonsurrell, dmsnell
Fixes <a href="https://core.trac.wordpress.org/ticket/60283">#60283</a></pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpincludeshtmlapiclasswphtmlprocessorphp">trunk/src/wp-includes/html-api/class-wp-html-processor.php</a></li>
<li><a href="#trunktestsphpunittestshtmlapiwpHtmlProcessorphp">trunk/tests/phpunit/tests/html-api/wpHtmlProcessor.php</a></li>
<li><a href="#trunktestsphpunittestshtmlapiwpHtmlProcessorBreadcrumbsphp">trunk/tests/phpunit/tests/html-api/wpHtmlProcessorBreadcrumbs.php</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunksrcwpincludeshtmlapiclasswphtmlprocessorphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/wp-includes/html-api/class-wp-html-processor.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/html-api/class-wp-html-processor.php        2024-01-22 19:40:18 UTC (rev 57325)
+++ trunk/src/wp-includes/html-api/class-wp-html-processor.php  2024-01-23 01:49:06 UTC (rev 57326)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -106,7 +106,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">  *  - Heading elements: H1, H2, H3, H4, H5, H6, HGROUP.
</span><span class="cx" style="display: block; padding: 0 10px">  *  - Links: A.
</span><span class="cx" style="display: block; padding: 0 10px">  *  - Lists: DD, DL, DT, LI, OL, LI.
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- *  - Media elements: AUDIO, CANVAS, EMBED, FIGCAPTION, FIGURE, IMG, MAP, PICTURE, VIDEO.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ *  - Media elements: AUDIO, CANVAS, EMBED, FIGCAPTION, FIGURE, IMG, MAP, PARAM, PICTURE, SOURCE, VIDEO, TRACK.
</ins><span class="cx" style="display: block; padding: 0 10px">  *  - Paragraph: BR, P.
</span><span class="cx" style="display: block; padding: 0 10px">  *  - Phrasing elements: AREA, ABBR, BDI, BDO, CITE, DATA, DEL, DFN, INS, MARK, OUTPUT, Q, SAMP, SUB, SUP, TIME, VAR.
</span><span class="cx" style="display: block; padding: 0 10px">  *  - Sectioning elements: ARTICLE, ASIDE, HR, NAV, SECTION.
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -982,6 +982,15 @@
</span><span class="cx" style="display: block; padding: 0 10px">                                $this->insert_html_element( $this->state->current_token );
</span><span class="cx" style="display: block; padding: 0 10px">                                $this->state->frameset_ok = false;
</span><span class="cx" style="display: block; padding: 0 10px">                                return true;
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+                       /*
+                        * > A start tag whose tag name is one of: "param", "source", "track"
+                        */
+                       case '+PARAM':
+                       case '+SOURCE':
+                       case '+TRACK':
+                               $this->insert_html_element( $this->state->current_token );
+                               return true;
</ins><span class="cx" style="display: block; padding: 0 10px">                 }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                /*
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1027,7 +1036,6 @@
</span><span class="cx" style="display: block; padding: 0 10px">                        case 'OBJECT':
</span><span class="cx" style="display: block; padding: 0 10px">                        case 'OPTGROUP':
</span><span class="cx" style="display: block; padding: 0 10px">                        case 'OPTION':
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        case 'PARAM':
</del><span class="cx" style="display: block; padding: 0 10px">                         case 'PLAINTEXT':
</span><span class="cx" style="display: block; padding: 0 10px">                        case 'RB':
</span><span class="cx" style="display: block; padding: 0 10px">                        case 'RP':
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1036,7 +1044,6 @@
</span><span class="cx" style="display: block; padding: 0 10px">                        case 'SARCASM':
</span><span class="cx" style="display: block; padding: 0 10px">                        case 'SCRIPT':
</span><span class="cx" style="display: block; padding: 0 10px">                        case 'SELECT':
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        case 'SOURCE':
</del><span class="cx" style="display: block; padding: 0 10px">                         case 'STYLE':
</span><span class="cx" style="display: block; padding: 0 10px">                        case 'SVG':
</span><span class="cx" style="display: block; padding: 0 10px">                        case 'TABLE':
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1049,7 +1056,6 @@
</span><span class="cx" style="display: block; padding: 0 10px">                        case 'THEAD':
</span><span class="cx" style="display: block; padding: 0 10px">                        case 'TITLE':
</span><span class="cx" style="display: block; padding: 0 10px">                        case 'TR':
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        case 'TRACK':
</del><span class="cx" style="display: block; padding: 0 10px">                         case 'XMP':
</span><span class="cx" style="display: block; padding: 0 10px">                                $this->last_error = self::ERROR_UNSUPPORTED;
</span><span class="cx" style="display: block; padding: 0 10px">                                throw new WP_HTML_Unsupported_Exception( "Cannot process {$tag_name} element." );
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1712,8 +1718,8 @@
</span><span class="cx" style="display: block; padding: 0 10px">                        'HR' === $tag_name ||
</span><span class="cx" style="display: block; padding: 0 10px">                        'IMG' === $tag_name ||
</span><span class="cx" style="display: block; padding: 0 10px">                        'INPUT' === $tag_name ||
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                        'KEYGEN' === $tag_name || // Obsolete but still treated as void.
</ins><span class="cx" style="display: block; padding: 0 10px">                         'LINK' === $tag_name ||
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        'KEYGEN' === $tag_name || // Obsolete but still treated as void.
</del><span class="cx" style="display: block; padding: 0 10px">                         'META' === $tag_name ||
</span><span class="cx" style="display: block; padding: 0 10px">                        'PARAM' === $tag_name || // Obsolete but still treated as void.
</span><span class="cx" style="display: block; padding: 0 10px">                        'SOURCE' === $tag_name ||
</span></span></pre></div>
<a id="trunktestsphpunittestshtmlapiwpHtmlProcessorphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/tests/phpunit/tests/html-api/wpHtmlProcessor.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/html-api/wpHtmlProcessor.php    2024-01-22 19:40:18 UTC (rev 57325)
+++ trunk/tests/phpunit/tests/html-api/wpHtmlProcessor.php      2024-01-23 01:49:06 UTC (rev 57326)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -206,6 +206,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">                        'KEYGEN' => array( 'KEYGEN' ),
</span><span class="cx" style="display: block; padding: 0 10px">                        'LINK'   => array( 'LINK' ),
</span><span class="cx" style="display: block; padding: 0 10px">                        'META'   => array( 'META' ),
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                        'PARAM'  => array( 'PARAM' ),
</ins><span class="cx" style="display: block; padding: 0 10px">                         'SOURCE' => array( 'SOURCE' ),
</span><span class="cx" style="display: block; padding: 0 10px">                        'TRACK'  => array( 'TRACK' ),
</span><span class="cx" style="display: block; padding: 0 10px">                        'WBR'    => array( 'WBR' ),
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -264,7 +265,6 @@
</span><span class="cx" style="display: block; padding: 0 10px">                        'OBJECT'    => array( 'OBJECT' ),
</span><span class="cx" style="display: block; padding: 0 10px">                        'OPTGROUP'  => array( 'OPTGROUP' ),
</span><span class="cx" style="display: block; padding: 0 10px">                        'OPTION'    => array( 'OPTION' ),
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        'PARAM'     => array( 'PARAM' ),
</del><span class="cx" style="display: block; padding: 0 10px">                         'PLAINTEXT' => array( 'PLAINTEXT' ),
</span><span class="cx" style="display: block; padding: 0 10px">                        'RB'        => array( 'RB' ),
</span><span class="cx" style="display: block; padding: 0 10px">                        'RP'        => array( 'RP' ),
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -273,7 +273,6 @@
</span><span class="cx" style="display: block; padding: 0 10px">                        'SARCASM'   => array( 'SARCASM' ),
</span><span class="cx" style="display: block; padding: 0 10px">                        'SCRIPT'    => array( 'SCRIPT' ),
</span><span class="cx" style="display: block; padding: 0 10px">                        'SELECT'    => array( 'SELECT' ),
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        'SOURCE'    => array( 'SOURCE' ),
</del><span class="cx" style="display: block; padding: 0 10px">                         'STYLE'     => array( 'STYLE' ),
</span><span class="cx" style="display: block; padding: 0 10px">                        'SVG'       => array( 'SVG' ),
</span><span class="cx" style="display: block; padding: 0 10px">                        'TABLE'     => array( 'TABLE' ),
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -286,7 +285,6 @@
</span><span class="cx" style="display: block; padding: 0 10px">                        'THEAD'     => array( 'THEAD' ),
</span><span class="cx" style="display: block; padding: 0 10px">                        'TITLE'     => array( 'TITLE' ),
</span><span class="cx" style="display: block; padding: 0 10px">                        'TR'        => array( 'TR' ),
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        'TRACK'     => array( 'TRACK' ),
</del><span class="cx" style="display: block; padding: 0 10px">                         'XMP'       => array( 'XMP' ),
</span><span class="cx" style="display: block; padding: 0 10px">                );
</span><span class="cx" style="display: block; padding: 0 10px">        }
</span></span></pre></div>
<a id="trunktestsphpunittestshtmlapiwpHtmlProcessorBreadcrumbsphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/tests/phpunit/tests/html-api/wpHtmlProcessorBreadcrumbs.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/html-api/wpHtmlProcessorBreadcrumbs.php 2024-01-22 19:40:18 UTC (rev 57325)
+++ trunk/tests/phpunit/tests/html-api/wpHtmlProcessorBreadcrumbs.php   2024-01-23 01:49:06 UTC (rev 57326)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -199,7 +199,6 @@
</span><span class="cx" style="display: block; padding: 0 10px">                        'RTC', // Neutralized.
</span><span class="cx" style="display: block; padding: 0 10px">                        'SCRIPT',
</span><span class="cx" style="display: block; padding: 0 10px">                        'SELECT',
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        'SOURCE',
</del><span class="cx" style="display: block; padding: 0 10px">                         'STYLE',
</span><span class="cx" style="display: block; padding: 0 10px">                        'SVG',
</span><span class="cx" style="display: block; padding: 0 10px">                        'TABLE',
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -212,7 +211,6 @@
</span><span class="cx" style="display: block; padding: 0 10px">                        'THEAD',
</span><span class="cx" style="display: block; padding: 0 10px">                        'TITLE',
</span><span class="cx" style="display: block; padding: 0 10px">                        'TR',
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        'TRACK',
</del><span class="cx" style="display: block; padding: 0 10px">                         'XMP', // Deprecated, use PRE instead.
</span><span class="cx" style="display: block; padding: 0 10px">                );
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span></span></pre>
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