From 8ca6cc32b2c789a3149861159ad258f2cb9491e3 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 28 Apr 2024 14:39:39 +0200
Subject: Adding upstream version 2.11.4.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../Injector/RemoveSpansWithoutAttributes.php      | 95 ++++++++++++++++++++++
 1 file changed, 95 insertions(+)
 create mode 100644 library/vendor/HTMLPurifier/Injector/RemoveSpansWithoutAttributes.php

(limited to 'library/vendor/HTMLPurifier/Injector/RemoveSpansWithoutAttributes.php')

diff --git a/library/vendor/HTMLPurifier/Injector/RemoveSpansWithoutAttributes.php b/library/vendor/HTMLPurifier/Injector/RemoveSpansWithoutAttributes.php
new file mode 100644
index 0000000..42d5144
--- /dev/null
+++ b/library/vendor/HTMLPurifier/Injector/RemoveSpansWithoutAttributes.php
@@ -0,0 +1,95 @@
+<?php
+
+/**
+ * Injector that removes spans with no attributes
+ */
+class HTMLPurifier_Injector_RemoveSpansWithoutAttributes extends HTMLPurifier_Injector
+{
+    /**
+     * @type string
+     */
+    public $name = 'RemoveSpansWithoutAttributes';
+
+    /**
+     * @type array
+     */
+    public $needed = array('span');
+
+    /**
+     * @type HTMLPurifier_AttrValidator
+     */
+    private $attrValidator;
+
+    /**
+     * Used by AttrValidator.
+     * @type HTMLPurifier_Config
+     */
+    private $config;
+
+    /**
+     * @type HTMLPurifier_Context
+     */
+    private $context;
+
+    /**
+     * @type SplObjectStorage
+     */
+    private $markForDeletion;
+
+    public function __construct()
+    {
+        $this->markForDeletion = new SplObjectStorage();
+    }
+
+    public function prepare($config, $context)
+    {
+        $this->attrValidator = new HTMLPurifier_AttrValidator();
+        $this->config = $config;
+        $this->context = $context;
+        return parent::prepare($config, $context);
+    }
+
+    /**
+     * @param HTMLPurifier_Token $token
+     */
+    public function handleElement(&$token)
+    {
+        if ($token->name !== 'span' || !$token instanceof HTMLPurifier_Token_Start) {
+            return;
+        }
+
+        // We need to validate the attributes now since this doesn't normally
+        // happen until after MakeWellFormed. If all the attributes are removed
+        // the span needs to be removed too.
+        $this->attrValidator->validateToken($token, $this->config, $this->context);
+        $token->armor['ValidateAttributes'] = true;
+
+        if (!empty($token->attr)) {
+            return;
+        }
+
+        $nesting = 0;
+        while ($this->forwardUntilEndToken($i, $current, $nesting)) {
+        }
+
+        if ($current instanceof HTMLPurifier_Token_End && $current->name === 'span') {
+            // Mark closing span tag for deletion
+            $this->markForDeletion->attach($current);
+            // Delete open span tag
+            $token = false;
+        }
+    }
+
+    /**
+     * @param HTMLPurifier_Token $token
+     */
+    public function handleEnd(&$token)
+    {
+        if ($this->markForDeletion->contains($token)) {
+            $this->markForDeletion->detach($token);
+            $token = false;
+        }
+    }
+}
+
+// vim: et sw=4 sts=4
-- 
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