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Diffstat (limited to 'core/string/compressed_translation.h')
| -rw-r--r-- | core/string/compressed_translation.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/core/string/compressed_translation.h b/core/string/compressed_translation.h new file mode 100644 index 0000000000..efb3535362 --- /dev/null +++ b/core/string/compressed_translation.h @@ -0,0 +1,89 @@ +/*************************************************************************/ +/* compressed_translation.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 COMPRESSED_TRANSLATION_H +#define COMPRESSED_TRANSLATION_H + +#include "core/string/translation.h" + +class PHashTranslation : public Translation { + GDCLASS(PHashTranslation, Translation); + + //this translation uses a sort of modified perfect hash algorithm + //it requires hashing strings twice and then does a binary search, + //so it's slower, but at the same time it has an extreemly high chance + //of catching untranslated strings + + //load/store friendly types + Vector<int> hash_table; + Vector<int> bucket_table; + Vector<uint8_t> strings; + + struct Bucket { + int size; + uint32_t func; + + struct Elem { + uint32_t key; + uint32_t str_offset; + uint32_t comp_size; + uint32_t uncomp_size; + }; + + Elem elem[1]; + }; + + _FORCE_INLINE_ uint32_t hash(uint32_t d, const char *p_str) const { + if (d == 0) { + d = 0x1000193; + } + while (*p_str) { + d = (d * 0x1000193) ^ uint32_t(*p_str); + p_str++; + } + + return d; + } + +protected: + bool _set(const StringName &p_name, const Variant &p_value); + bool _get(const StringName &p_name, Variant &r_ret) const; + void _get_property_list(List<PropertyInfo> *p_list) const; + static void _bind_methods(); + +public: + virtual StringName get_message(const StringName &p_src_text, const StringName &p_context = "") const override; //overridable for other implementations + virtual StringName get_plural_message(const StringName &p_src_text, const StringName &p_plural_text, int p_n, const StringName &p_context = "") const override; + void generate(const Ref<Translation> &p_from); + + PHashTranslation() {} +}; + +#endif // COMPRESSED_TRANSLATION_H |