1/**************************************************************************/
2/* optimized_translation.h */
3/**************************************************************************/
4/* This file is part of: */
5/* GODOT ENGINE */
6/* https://godotengine.org */
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8/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
9/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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29/**************************************************************************/
30
31#ifndef OPTIMIZED_TRANSLATION_H
32#define OPTIMIZED_TRANSLATION_H
33
34#include "core/string/translation.h"
35
36class OptimizedTranslation : public Translation {
37 GDCLASS(OptimizedTranslation, Translation);
38
39 //this translation uses a sort of modified perfect hash algorithm
40 //it requires hashing strings twice and then does a binary search,
41 //so it's slower, but at the same time it has an extremely high chance
42 //of catching untranslated strings
43
44 //load/store friendly types
45 Vector<int> hash_table;
46 Vector<int> bucket_table;
47 Vector<uint8_t> strings;
48
49 struct Bucket {
50 int size;
51 uint32_t func;
52
53 struct Elem {
54 uint32_t key;
55 uint32_t str_offset;
56 uint32_t comp_size;
57 uint32_t uncomp_size;
58 };
59
60 Elem elem[1];
61 };
62
63 _FORCE_INLINE_ uint32_t hash(uint32_t d, const char *p_str) const {
64 if (d == 0) {
65 d = 0x1000193;
66 }
67 while (*p_str) {
68 d = (d * 0x1000193) ^ uint32_t(*p_str);
69 p_str++;
70 }
71
72 return d;
73 }
74
75protected:
76 bool _set(const StringName &p_name, const Variant &p_value);
77 bool _get(const StringName &p_name, Variant &r_ret) const;
78 void _get_property_list(List<PropertyInfo> *p_list) const;
79 static void _bind_methods();
80
81public:
82 virtual StringName get_message(const StringName &p_src_text, const StringName &p_context = "") const override; //overridable for other implementations
83 virtual StringName get_plural_message(const StringName &p_src_text, const StringName &p_plural_text, int p_n, const StringName &p_context = "") const override;
84 virtual Vector<String> get_translated_message_list() const override;
85 void generate(const Ref<Translation> &p_from);
86
87 OptimizedTranslation() {}
88};
89
90#endif // OPTIMIZED_TRANSLATION_H
91