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			89 lines
		
	
	
	
		
			3.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			89 lines
		
	
	
	
		
			3.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*************************************************************************/
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| /*  optimized_translation.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) 2007-2021 Juan Linietsky, Ariel Manzur.                 */
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| /* Copyright (c) 2014-2021 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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| 
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| #ifndef OPTIMIZED_TRANSLATION_H
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| #define OPTIMIZED_TRANSLATION_H
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| 
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| #include "core/string/translation.h"
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| 
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| class OptimizedTranslation : public Translation {
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| 	GDCLASS(OptimizedTranslation, Translation);
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| 
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| 	//this translation uses a sort of modified perfect hash algorithm
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| 	//it requires hashing strings twice and then does a binary search,
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| 	//so it's slower, but at the same time it has an extreemly high chance
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| 	//of catching untranslated strings
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| 
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| 	//load/store friendly types
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| 	Vector<int> hash_table;
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| 	Vector<int> bucket_table;
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| 	Vector<uint8_t> strings;
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| 
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| 	struct Bucket {
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| 		int size;
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| 		uint32_t func;
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| 
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| 		struct Elem {
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| 			uint32_t key;
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| 			uint32_t str_offset;
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| 			uint32_t comp_size;
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| 			uint32_t uncomp_size;
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| 		};
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| 
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| 		Elem elem[1];
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| 	};
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| 
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| 	_FORCE_INLINE_ uint32_t hash(uint32_t d, const char *p_str) const {
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| 		if (d == 0) {
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| 			d = 0x1000193;
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| 		}
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| 		while (*p_str) {
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| 			d = (d * 0x1000193) ^ uint32_t(*p_str);
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| 			p_str++;
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| 		}
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| 
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| 		return d;
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| 	}
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| 
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| protected:
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| 	bool _set(const StringName &p_name, const Variant &p_value);
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| 	bool _get(const StringName &p_name, Variant &r_ret) const;
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| 	void _get_property_list(List<PropertyInfo> *p_list) const;
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| 	static void _bind_methods();
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| 
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| public:
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| 	virtual StringName get_message(const StringName &p_src_text, const StringName &p_context = "") const override; //overridable for other implementations
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| 	virtual 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 generate(const Ref<Translation> &p_from);
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| 
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| 	OptimizedTranslation() {}
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| };
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| 
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| #endif // OPTIMIZED_TRANSLATION_H
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