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comparison foosdk/sdk/pfc/charDownConvert.h @ 1:20d02a178406 default tip

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author Paper <paper@tflc.us>
date Mon, 05 Jan 2026 02:15:46 -0500
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0:e9bb126753e7 1:20d02a178406
1 #pragma once
2 #include "string_base.h"
3 #include "fixed_map.h"
4
5 // This converts to ASCII *and* lowercases for simplified search matching
6 namespace pfc {
7 class CharStorage {
8 public:
9 CharStorage() { }
10 template<typename TSource> CharStorage(const TSource& in) { Import(in); }
11 template<typename TSource> const CharStorage& operator=(const TSource& in) { Import(in); return *this; }
12
13 const char* ptr() const { return m_data; }
14
15 void Import(t_uint32 c) {
16 t_size l = pfc::utf8_encode_char(c, m_data);
17 m_data[l] = 0;
18 }
19 void Import(const char* c) {
20 PFC_ASSERT(strlen(c) < PFC_TABSIZE(m_data));
21 #ifdef _MSC_VER
22 strcpy_s(m_data, c);
23 #else
24 strcpy(m_data, c);
25 #endif
26 }
27
28 char m_data[16] = {};
29 };
30
31 class CharDownConvert {
32 public:
33 CharDownConvert();
34
35 void TransformCharCachedAppend(t_uint32 c, pfc::string_base& out);
36 void TransformStringAppend(pfc::string_base& out, const char* src, size_t len = SIZE_MAX);
37 void TransformStringHere(pfc::string_base& out, const char* src, size_t len = SIZE_MAX);
38 string8 TransformString(const char* src) { pfc::string8 ret; TransformStringAppend(ret, src); return ret; }
39 void TransformString(pfc::string_base& out, const char* src) {
40 out.reset(); TransformStringAppend(out, src);
41 }
42
43 static CharDownConvert& instance();
44
45 struct charMapping_t {
46 uint16_t from, to;
47 };
48 static const charMapping_t* mappings();
49 static size_t numMappings();
50
51 private:
52 fixed_map<uint32_t, CharStorage> m_charConvertMap;
53 };
54 }