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93 lines
4.7 KiB
C++
93 lines
4.7 KiB
C++
/*************************************************************************/
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/* translation_po.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef TRANSLATION_PO_H
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#define TRANSLATION_PO_H
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//#define DEBUG_TRANSLATION_PO
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#include "core/math/expression.h"
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#include "core/string/translation.h"
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class TranslationPO : public Translation {
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GDCLASS(TranslationPO, Translation);
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// TLDR: Maps context to a list of source strings and translated strings. In PO terms, maps msgctxt to a list of msgid and msgstr.
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// The first key corresponds to context, and the second key (of the contained HashMap) corresponds to source string.
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// 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.
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// Otherwise index 0 matches to msgstr in a singular translation.
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// Strings without context have "" as first key.
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HashMap<StringName, HashMap<StringName, Vector<StringName>>> translation_map;
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int plural_forms = 0; // 0 means no "Plural-Forms" is given in the PO header file. The min for all languages is 1.
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String plural_rule;
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// Cache temporary variables related to _get_plural_index() to make it faster
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Vector<String> equi_tests;
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Vector<String> input_name;
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mutable Ref<Expression> expr;
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mutable Array input_val;
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mutable StringName last_plural_key;
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mutable StringName last_plural_context;
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mutable int last_plural_n = -1; // Set it to an impossible value at the beginning.
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mutable int last_plural_mapped_index = 0;
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void _cache_plural_tests(const String &p_plural_rule);
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int _get_plural_index(int p_n) const;
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Vector<String> _get_message_list() const override;
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Dictionary _get_messages() const override;
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void _set_messages(const Dictionary &p_messages) override;
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protected:
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static void _bind_methods();
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public:
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void get_message_list(List<StringName> *r_messages) const override;
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int get_message_count() const override;
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void add_message(const StringName &p_src_text, const StringName &p_xlated_text, const StringName &p_context = "") override;
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void add_plural_message(const StringName &p_src_text, const Vector<String> &p_plural_xlated_texts, const StringName &p_context = "") override;
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StringName get_message(const StringName &p_src_text, const StringName &p_context = "") const override;
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StringName get_plural_message(const StringName &p_src_text, const StringName &p_plural_text, int p_n, const StringName &p_context = "") const override;
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void erase_message(const StringName &p_src_text, const StringName &p_context = "") override;
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void set_plural_rule(const String &p_plural_rule);
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int get_plural_forms() const;
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String get_plural_rule() const;
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#ifdef DEBUG_TRANSLATION_PO
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void print_translation_map();
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#endif
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TranslationPO() {}
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};
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#endif // TRANSLATION_PO_H
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