godot/modules/gdscript/editor/gdscript_translation_parser_plugin.h

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/*  gdscript_translation_parser_plugin.h                                 */
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/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
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#ifndef GDSCRIPT_TRANSLATION_PARSER_PLUGIN_H
#define GDSCRIPT_TRANSLATION_PARSER_PLUGIN_H

#include "editor/editor_translation_parser.h"
#include "modules/regex/regex.h"

class GDScriptEditorTranslationParserPlugin : public EditorTranslationParserPlugin {
	GDCLASS(GDScriptEditorTranslationParserPlugin, EditorTranslationParserPlugin);

	// Regex and search patterns that are used to match translation strings.
	const String text = "((?:[^\"\\\\]|\\\\[\\s\\S])*(?:\"[\\s\\\\]*\\+[\\s\\\\]*\"(?:[^\"\\\\]|\\\\[\\s\\S])*)*)";
	const String tr_pattern = "tr[\\s\\\\]*\\([\\s\\\\]*\"" + text + "\"(?:[\\s\\\\]*,[\\s\\\\]*\"" + text + "\")?[\\s\\\\]*\\)";
	const String trn_pattern = "tr_n[\\s\\\\]*\\([\\s\\\\]*\"" + text + "\"[\\s\\\\]*,[\\s\\\\]*\"" + text + "\".*?(?:\"" + text + "\"[\\s\\\\]*)?\\)";
	RegEx regex;
	Vector<String> patterns;
	Vector<String> file_dialog_patterns;

	void _parse_file_dialog(const String &p_source_code, Vector<String> *r_output);
	void _get_captured_strings(const Array &p_results, Vector<String> *r_output);
	void _handle_tr_pattern(const String &p_source_code, const String &p_pattern, Vector<Vector<String>> *r_ids_ctx_plural);

public:
	virtual Error parse_file(const String &p_path, Vector<String> *r_ids, Vector<Vector<String>> *r_ids_ctx_plural) override;
	virtual void get_recognized_extensions(List<String> *r_extensions) const override;

	GDScriptEditorTranslationParserPlugin();
};

#endif // GDSCRIPT_TRANSLATION_PARSER_PLUGIN_H