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<title>[59248] trunk: HTML API: Ensure form closer tokens are reachable.</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/59248">59248</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/59248","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>Bernhard Reiter</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2024-10-17 17:46:31 +0000 (Thu, 17 Oct 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: Ensure form closer tokens are reachable.
Form tag closers have complicated conditions. There was a bug where the HTML Processor would not stop correctly on a FORM tag closer token.
This changeset ensures that that token is reachable.
Developed in https://github.com/WordPress/wordpress-develop/pull/7582
Discussed in https://core.trac.wordpress.org/ticket/61576
Follow-up to <a href="https://core.trac.wordpress.org/changeset/58779">[58779]</a>.
Props jonsurrell.
Fixes <a href="https://core.trac.wordpress.org/ticket/61576">#61576</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>
</ul>
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<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 2024-10-17 17:03:23 UTC (rev 59247)
+++ trunk/src/wp-includes/html-api/class-wp-html-processor.php 2024-10-17 17:46:31 UTC (rev 59248)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -2433,6 +2433,7 @@
</span><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"> $this->state->stack_of_open_elements->remove_node( $node );
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ return true;
</ins><span class="cx" style="display: block; padding: 0 10px"> } else {
</span><span class="cx" style="display: block; padding: 0 10px"> /*
</span><span class="cx" style="display: block; padding: 0 10px"> * > If the stack of open elements does not have a form element in scope,
</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 2024-10-17 17:03:23 UTC (rev 59247)
+++ trunk/tests/phpunit/tests/html-api/wpHtmlProcessor.php 2024-10-17 17:46:31 UTC (rev 59248)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -863,4 +863,23 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 'Found the wrong namespace for the transformed "IMAGE"/"IMG" element.'
</span><span class="cx" style="display: block; padding: 0 10px"> );
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+ /**
+ * Ensures that the processor stops correctly on a FORM tag closer token.
+ *
+ * Form tag closers have complicated conditions. There was a bug where the processor
+ * would not stop correctly on a FORM tag closer token. Ensure this token is reachable.
+ *
+ * @ticket 61576
+ */
+ public function test_ensure_form_tag_closer_token_is_reachable() {
+ $processor = WP_HTML_Processor::create_fragment( '<form></form>' );
+
+ // Advance to </form>.
+ $processor->next_token();
+ $processor->next_token();
+
+ $this->assertSame( 'FORM', $processor->get_tag() );
+ $this->assertTrue( $processor->is_tag_closer() );
+ }
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span></span></pre>
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