Convert syntax highlighters into a resource

2 files changed, 140 insertions, 0 deletions

diff --git a/scene/resources/syntax_highlighter.cpp b/scene/resources/syntax_highlighter.cpp
new file mode 100644
index 0000000000..7b78a89c1b
--- /dev/null
+++ b/scene/resources/syntax_highlighter.cpp
@@ -0,0 +1,77 @@
+/*************************************************************************/
+/*  syntax_highlighter.cpp                                               */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#include "syntax_highlighter.h"
+
+#include "core/script_language.h"
+#include "scene/gui/text_edit.h"
+
+Dictionary SyntaxHighlighter::get_line_syntax_highlighting(int p_line) {
+	return call("_get_line_syntax_highlighting", p_line);
+}
+
+void SyntaxHighlighter::update_cache() {
+	call("_update_cache");
+}
+
+String SyntaxHighlighter::_get_name() const {
+	ScriptInstance *si = get_script_instance();
+	if (si && si->has_method("_get_name")) {
+		return si->call("_get_name");
+	}
+	return "Unamed";
+}
+
+Array SyntaxHighlighter::_get_supported_languages() const {
+	ScriptInstance *si = get_script_instance();
+	if (si && si->has_method("_get_supported_languages")) {
+		return si->call("_get_supported_languages");
+	}
+	return Array();
+}
+
+void SyntaxHighlighter::set_text_edit(TextEdit *p_text_edit) {
+	text_edit = p_text_edit;
+}
+
+TextEdit *SyntaxHighlighter::get_text_edit() {
+	return text_edit;
+}
+
+void SyntaxHighlighter::_bind_methods() {
+	ClassDB::bind_method(D_METHOD("_get_line_syntax_highlighting", "p_line"), &SyntaxHighlighter::_get_line_syntax_highlighting);
+	ClassDB::bind_method(D_METHOD("_update_cache"), &SyntaxHighlighter::_update_cache);
+	ClassDB::bind_method(D_METHOD("get_text_edit"), &SyntaxHighlighter::get_text_edit);
+
+	BIND_VMETHOD(MethodInfo(Variant::STRING, "_get_name"));
+	BIND_VMETHOD(MethodInfo(Variant::ARRAY, "_get_supported_languages"));
+	BIND_VMETHOD(MethodInfo(Variant::DICTIONARY, "_get_line_syntax_highlighting", PropertyInfo(Variant::INT, "p_line")));
+	BIND_VMETHOD(MethodInfo("_update_cache"));
+}
diff --git a/scene/resources/syntax_highlighter.h b/scene/resources/syntax_highlighter.h
new file mode 100644
index 0000000000..201bcb03e1
--- /dev/null
+++ b/scene/resources/syntax_highlighter.h
@@ -0,0 +1,63 @@
+/*************************************************************************/
+/*  syntax_highlighter.h                                                 */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef SYNTAX_HIGHLIGHTER_H
+#define SYNTAX_HIGHLIGHTER_H
+
+#include "core/resource.h"
+
+class TextEdit;
+
+class SyntaxHighlighter : public Resource {
+	GDCLASS(SyntaxHighlighter, Resource)
+
+protected:
+	TextEdit *text_edit;
+
+	static void _bind_methods();
+
+public:
+	Dictionary get_line_syntax_highlighting(int p_line);
+	virtual Dictionary _get_line_syntax_highlighting(int p_line) { return Dictionary(); }
+
+	void update_cache();
+	virtual void _update_cache() {}
+
+	virtual String _get_name() const;
+	virtual Array _get_supported_languages() const;
+
+	void set_text_edit(TextEdit *p_text_edit);
+	TextEdit *get_text_edit();
+
+	SyntaxHighlighter() {}
+	virtual ~SyntaxHighlighter() {}
+};
+
+#endif