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/*************************************************************************/
/* translation_po.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 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 TRANSLATION_PO_H
#define TRANSLATION_PO_H
//#define DEBUG_TRANSLATION_PO
#include "core/math/expression.h"
#include "core/string/translation.h"
class TranslationPO : public Translation {
GDCLASS(TranslationPO, Translation);
// TLDR: Maps context to a list of source strings and translated strings. In PO terms, maps msgctxt to a list of msgid and msgstr.
// The first key corresponds to context, and the second key (of the contained HashMap) corresponds to source string.
// The value Vector<StringName> in the second map stores the translated strings. Index 0, 1, 2 matches msgstr[0], msgstr[1], msgstr[2]... in the case of plurals.
// Otherwise index 0 matches to msgstr in a singular translation.
// Strings without context have "" as first key.
HashMap<StringName, HashMap<StringName, Vector<StringName>>> translation_map;
int plural_forms = 0; // 0 means no "Plural-Forms" is given in the PO header file. The min for all languages is 1.
String plural_rule;
// Cache temporary variables related to _get_plural_index() to make it faster
Vector<String> equi_tests;
Vector<String> input_name;
mutable Ref<Expression> expr;
mutable Array input_val;
mutable StringName last_plural_key;
mutable StringName last_plural_context;
mutable int last_plural_n = -1; // Set it to an impossible value at the beginning.
mutable int last_plural_mapped_index = 0;
void _cache_plural_tests(const String &p_plural_rule);
int _get_plural_index(int p_n) const;
Vector<String> _get_message_list() const override;
Dictionary _get_messages() const override;
void _set_messages(const Dictionary &p_messages) override;
protected:
static void _bind_methods();
public:
Vector<String> get_translated_message_list() const override;
void get_message_list(List<StringName> *r_messages) const override;
int get_message_count() const override;
void add_message(const StringName &p_src_text, const StringName &p_xlated_text, const StringName &p_context = "") override;
void add_plural_message(const StringName &p_src_text, const Vector<String> &p_plural_xlated_texts, const StringName &p_context = "") override;
StringName get_message(const StringName &p_src_text, const StringName &p_context = "") const override;
StringName get_plural_message(const StringName &p_src_text, const StringName &p_plural_text, int p_n, const StringName &p_context = "") const override;
void erase_message(const StringName &p_src_text, const StringName &p_context = "") override;
void set_plural_rule(const String &p_plural_rule);
int get_plural_forms() const;
String get_plural_rule() const;
#ifdef DEBUG_TRANSLATION_PO
void print_translation_map();
#endif
TranslationPO() {}
};
#endif // TRANSLATION_PO_H
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