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comparison tools/mkunicode/Unicode-after.cpp @ 395:b78d6d8f2872

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Unicode: remove class, use namespace
author David Demelier <markand@malikania.fr>
date Mon, 28 Sep 2015 15:55:46 +0200
parents 7fe8d4094983
children f083259de5e6
comparison
equal deleted inserted replaced
394:fdceef4be88b 395:b78d6d8f2872
1 void Unicode::encode(char32_t c, char res[5]) noexcept 1 void encode(char32_t c, char res[5]) noexcept
2 { 2 {
3 switch (nbytesPoint(c)) { 3 switch (nbytesPoint(c)) {
4 case 1: 4 case 1:
5 res[0] = c; 5 res[0] = c;
6 res[1] = '\0'; 6 res[1] = '\0';
26 default: 26 default:
27 break; 27 break;
28 } 28 }
29 } 29 }
30 30
31 void Unicode::decode(char32_t &c, const char *res) noexcept 31 void decode(char32_t &c, const char *res) noexcept
32 { 32 {
33 c = 0; 33 c = 0;
34 34
35 switch (nbytesUtf8(res[0])) { 35 switch (nbytesUtf8(res[0])) {
36 case 1: 36 case 1:
53 default: 53 default:
54 break; 54 break;
55 } 55 }
56 } 56 }
57 57
58 int Unicode::nbytesUtf8(char c) noexcept 58 int nbytesUtf8(char c) noexcept
59 { 59 {
60 if ((c & 0xE0) == 0xC0) 60 if ((c & 0xE0) == 0xC0)
61 return 2; 61 return 2;
62 if ((c & 0xF0) == 0xE0) 62 if ((c & 0xF0) == 0xE0)
63 return 3; 63 return 3;
65 return 4; 65 return 4;
66 66
67 return 1; 67 return 1;
68 } 68 }
69 69
70 int Unicode::nbytesPoint(char32_t c) noexcept 70 int nbytesPoint(char32_t c) noexcept
71 { 71 {
72 if (c <= 0x7F) 72 if (c <= 0x7F)
73 return 1; 73 return 1;
74 if (c <= 0x7FF) 74 if (c <= 0x7FF)
75 return 2; 75 return 2;
79 return 4; 79 return 4;
80 80
81 return -1; 81 return -1;
82 } 82 }
83 83
84 int Unicode::length(const std::string &str) 84 int length(const std::string &str)
85 { 85 {
86 int total = 0; 86 int total = 0;
87 87
88 forEach(str, [&] (char32_t) { 88 forEach(str, [&] (char32_t) {
89 ++ total; 89 ++ total;
90 }); 90 });
91 91
92 return total; 92 return total;
93 } 93 }
94 94
95 std::string Unicode::toUtf8(const std::u32string &array) 95 std::string toUtf8(const std::u32string &array)
96 { 96 {
97 std::string res; 97 std::string res;
98 98
99 for (size_t i = 0; i < array.size(); ++i) { 99 for (size_t i = 0; i < array.size(); ++i) {
100 char tmp[5]; 100 char tmp[5];
109 } 109 }
110 110
111 return res; 111 return res;
112 } 112 }
113 113
114 std::u32string Unicode::toUtf32(const std::string &str) 114 std::u32string toUtf32(const std::string &str)
115 { 115 {
116 std::u32string res; 116 std::u32string res;
117 117
118 forEach(str, [&] (char32_t code) { 118 forEach(str, [&] (char32_t code) {
119 res.push_back(code); 119 res.push_back(code);
120 }); 120 });
121 121
122 return res; 122 return res;
123 } 123 }
124
125 } // !unicode