From d46e990d5adffa1eb099562d3857c79e379f7ea2 Mon Sep 17 00:00:00 2001
From: Marius Balteanu <marius.balteanu@zitec.com>
Date: Fri, 23 Jan 2026 16:09:34 +0000
Subject: [PATCH] Adds missing files from previous commit (#43643).

git-svn-id: https://svn.redmine.org/redmine/trunk@24359 e93f8b46-1217-0410-a6f0-8f06a7374b81
---
 .../wiki_formatting/syntax_highlight.rb       | 40 ++++++++++++++++++
 .../textile/syntax_highlight_scrubber.rb      | 41 +++++++++++++++++++
 2 files changed, 81 insertions(+)
 create mode 100644 lib/redmine/wiki_formatting/syntax_highlight.rb
 create mode 100644 lib/redmine/wiki_formatting/textile/syntax_highlight_scrubber.rb

diff --git a/lib/redmine/wiki_formatting/syntax_highlight.rb b/lib/redmine/wiki_formatting/syntax_highlight.rb
new file mode 100644
index 000000000..800952e3f
--- /dev/null
+++ b/lib/redmine/wiki_formatting/syntax_highlight.rb
@@ -0,0 +1,40 @@
+# frozen_string_literal: true
+
+# Redmine - project management software
+# Copyright (C) 2006-  Jean-Philippe Lang
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+module Redmine
+  module WikiFormatting
+    module SyntaxHighlight
+      def process(node, text, lang)
+        # original language for extension development
+        node['data-language'] = lang unless node['data-language']
+
+        if Redmine::SyntaxHighlighting.language_supported?(lang)
+          html = Redmine::SyntaxHighlighting.highlight_by_language(text, lang)
+          return if html.nil?
+
+          node.inner_html = html
+          node['class'] = "#{lang} syntaxhl"
+        else
+          # unsupported language, remove the class attribute
+          node.remove_attribute('class')
+        end
+      end
+    end
+  end
+end
diff --git a/lib/redmine/wiki_formatting/textile/syntax_highlight_scrubber.rb b/lib/redmine/wiki_formatting/textile/syntax_highlight_scrubber.rb
new file mode 100644
index 000000000..d5e976cec
--- /dev/null
+++ b/lib/redmine/wiki_formatting/textile/syntax_highlight_scrubber.rb
@@ -0,0 +1,41 @@
+# frozen_string_literal: true
+
+# Redmine - project management software
+# Copyright (C) 2006-  Jean-Philippe Lang
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+module Redmine
+  module WikiFormatting
+    module Textile
+      # Redmine Syntax highlighting for <pre><code class="foo">
+      class SyntaxHighlightScrubber < Loofah::Scrubber
+        include Redmine::WikiFormatting::SyntaxHighlight
+
+        def scrub(node)
+          return unless node.name == 'code'
+          return unless lang = node['class'].presence
+
+          text = node.inner_text
+          if text.start_with?("\n")
+            text = text.sub("\n", "")
+          end
+
+          process node, text, lang
+        end
+      end
+    end
+  end
+end