1 files changed, 163 insertions, 0 deletions
diff --git a/editor/editor_translation_parser.cpp b/editor/editor_translation_parser.cpp
new file mode 100644
index 0000000000..3f4864ad1e
--- /dev/null
+++ b/editor/editor_translation_parser.cpp
@@ -0,0 +1,163 @@
+/*************************************************************************/
+/*  editor_translation_parser.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 "editor_translation_parser.h"
+
+#include "core/error_macros.h"
+#include "core/os/file_access.h"
+#include "core/script_language.h"
+#include "core/set.h"
+
+EditorTranslationParser *EditorTranslationParser::singleton = nullptr;
+
+Error EditorTranslationParserPlugin::parse_file(const String &p_path, Vector<String> *r_extracted_strings) {
+	if (!get_script_instance())
+		return ERR_UNAVAILABLE;
+
+	if (get_script_instance()->has_method("parse_file")) {
+		Array extracted_strings;
+		get_script_instance()->call("parse_file", p_path, extracted_strings);
+		for (int i = 0; i < extracted_strings.size(); i++) {
+			r_extracted_strings->append(extracted_strings[i]);
+		}
+		return OK;
+	} else {
+		ERR_PRINT("Custom translation parser plugin's \"func parse_file(path, extracted_strings)\" is undefined.");
+		return ERR_UNAVAILABLE;
+	}
+}
+
+void EditorTranslationParserPlugin::get_recognized_extensions(List<String> *r_extensions) const {
+	if (!get_script_instance())
+		return;
+
+	if (get_script_instance()->has_method("get_recognized_extensions")) {
+		Array extensions = get_script_instance()->call("get_recognized_extensions");
+		for (int i = 0; i < extensions.size(); i++) {
+			r_extensions->push_back(extensions[i]);
+		}
+	} else {
+		ERR_PRINT("Custom translation parser plugin's \"func get_recognized_extensions()\" is undefined.");
+	}
+}
+
+void EditorTranslationParserPlugin::_bind_methods() {
+	ClassDB::add_virtual_method(get_class_static(), MethodInfo(Variant::NIL, "parse_file", PropertyInfo(Variant::STRING, "path"), PropertyInfo(Variant::ARRAY, "extracted_strings")));
+	ClassDB::add_virtual_method(get_class_static(), MethodInfo(Variant::ARRAY, "get_recognized_extensions"));
+}
+
+/////////////////////////
+
+void EditorTranslationParser::get_recognized_extensions(List<String> *r_extensions) const {
+	Set<String> extensions;
+	List<String> temp;
+	for (int i = 0; i < standard_parsers.size(); i++) {
+		standard_parsers[i]->get_recognized_extensions(&temp);
+	}
+	for (int i = 0; i < custom_parsers.size(); i++) {
+		custom_parsers[i]->get_recognized_extensions(&temp);
+	}
+	// Remove duplicates.
+	for (int i = 0; i < temp.size(); i++) {
+		extensions.insert(temp[i]);
+	}
+	for (auto E = extensions.front(); E; E = E->next()) {
+		r_extensions->push_back(E->get());
+	}
+}
+
+bool EditorTranslationParser::can_parse(const String &p_extension) const {
+	List<String> extensions;
+	get_recognized_extensions(&extensions);
+	for (int i = 0; i < extensions.size(); i++) {
+		if (p_extension == extensions[i]) {
+			return true;
+		}
+	}
+	return false;
+}
+
+Ref<EditorTranslationParserPlugin> EditorTranslationParser::get_parser(const String &p_extension) const {
+	// Consider user-defined parsers first.
+	for (int i = 0; i < custom_parsers.size(); i++) {
+		List<String> temp;
+		custom_parsers[i]->get_recognized_extensions(&temp);
+		for (int j = 0; j < temp.size(); j++) {
+			if (temp[j] == p_extension) {
+				return custom_parsers[i];
+			}
+		}
+	}
+
+	for (int i = 0; i < standard_parsers.size(); i++) {
+		List<String> temp;
+		standard_parsers[i]->get_recognized_extensions(&temp);
+		for (int j = 0; j < temp.size(); j++) {
+			if (temp[j] == p_extension) {
+				return standard_parsers[i];
+			}
+		}
+	}
+
+	WARN_PRINT("No translation parser available for \"" + p_extension + "\" extension.");
+
+	return nullptr;
+}
+
+void EditorTranslationParser::add_parser(const Ref<EditorTranslationParserPlugin> &p_parser, ParserType p_type) {
+	if (p_type == ParserType::STANDARD) {
+		standard_parsers.push_back(p_parser);
+	} else if (p_type == ParserType::CUSTOM) {
+		custom_parsers.push_back(p_parser);
+	}
+}
+
+void EditorTranslationParser::remove_parser(const Ref<EditorTranslationParserPlugin> &p_parser, ParserType p_type) {
+	if (p_type == ParserType::STANDARD) {
+		standard_parsers.erase(p_parser);
+	} else if (p_type == ParserType::CUSTOM) {
+		custom_parsers.erase(p_parser);
+	}
+}
+
+EditorTranslationParser *EditorTranslationParser::get_singleton() {
+	if (!singleton) {
+		singleton = memnew(EditorTranslationParser);
+	}
+	return singleton;
+}
+
+EditorTranslationParser::EditorTranslationParser() {
+}
+
+EditorTranslationParser::~EditorTranslationParser() {
+	memdelete(singleton);
+	singleton = nullptr;
+}