Overview
| Comment: | More efficient UTF-8 -> Codepage 437 conversion |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
84b20a9ce03d361a3efa30022e1836de |
| User & Date: | js on 2017-02-12 22:04:51 |
| Other Links: | manifest | tags |
Context
|
2017-02-12
| ||
| 22:22 | More efficient UTF-8 -> Codepage 850 conversion check-in: 67ffc2f0ea user: js tags: trunk | |
| 22:04 | More efficient UTF-8 -> Codepage 437 conversion check-in: 84b20a9ce0 user: js tags: trunk | |
| 20:05 | More efficient UTF-8 -> ISO-8859-15 conversion check-in: 6bf2b02dc4 user: js tags: trunk | |
Changes
Modified src/encodings/codepage_437.m from [c2c354bb49] to [b928664f9d].
| ︙ | ︙ | |||
13 14 15 16 17 18 19 20 21 22 23 24 25 26 |
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#include "config.h"
#import "OFString.h"
const of_char16_t of_codepage_437_table[] = {
0x00C7, 0x00FC, 0x00E9, 0x00E2, 0x00E4, 0x00E0, 0x00E5, 0x00E7,
0x00EA, 0x00EB, 0x00E8, 0x00EF, 0x00EE, 0x00EC, 0x00C4, 0x00C5,
0x00C9, 0x00E6, 0x00C6, 0x00F4, 0x00F6, 0x00F2, 0x00FB, 0x00F9,
0x00FF, 0x00D6, 0x00DC, 0x00A2, 0x00A3, 0x00A5, 0x20A7, 0x0192,
0x00E1, 0x00ED, 0x00F3, 0x00FA, 0x00F1, 0x00D1, 0x00AA, 0x00BA,
| > > | 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 |
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#include "config.h"
#import "OFString.h"
#import "common.h"
const of_char16_t of_codepage_437_table[] = {
0x00C7, 0x00FC, 0x00E9, 0x00E2, 0x00E4, 0x00E0, 0x00E5, 0x00E7,
0x00EA, 0x00EB, 0x00E8, 0x00EF, 0x00EE, 0x00EC, 0x00C4, 0x00C5,
0x00C9, 0x00E6, 0x00C6, 0x00F4, 0x00F6, 0x00F2, 0x00FB, 0x00F9,
0x00FF, 0x00D6, 0x00DC, 0x00A2, 0x00A3, 0x00A5, 0x20A7, 0x0192,
0x00E1, 0x00ED, 0x00F3, 0x00FA, 0x00F1, 0x00D1, 0x00AA, 0x00BA,
|
| ︙ | ︙ | |||
35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 |
0x03A6, 0x0398, 0x03A9, 0x03B4, 0x221E, 0x03C6, 0x03B5, 0x2229,
0x2261, 0x00B1, 0x2265, 0x2264, 0x2320, 0x2321, 0x00F7, 0x2248,
0x00B0, 0x2219, 0x00B7, 0x221A, 0x207F, 0x00B2, 0x25A0, 0x00A0
};
const size_t of_codepage_437_table_offset =
256 - (sizeof(of_codepage_437_table) / sizeof(*of_codepage_437_table));
bool
of_unicode_to_codepage_437(const of_unichar_t *input, unsigned char *output,
size_t length, bool lossy)
{
for (size_t i = 0; i < length; i++) {
of_unichar_t c = input[i];
if OF_UNLIKELY (c > 0x7F) {
if OF_UNLIKELY (c > 0xFFFF) {
if (lossy) {
output[i] = '?';
continue;
} else
return false;
}
| > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | | < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < > > < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < | < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < | < < < < < < < < < < < < < < < < < < < < < < < | < < < < < < < < < < < < < < < < < < < < < < < < < < < < < | < < < < < | > | < < | 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 |
0x03A6, 0x0398, 0x03A9, 0x03B4, 0x221E, 0x03C6, 0x03B5, 0x2229,
0x2261, 0x00B1, 0x2265, 0x2264, 0x2320, 0x2321, 0x00F7, 0x2248,
0x00B0, 0x2219, 0x00B7, 0x221A, 0x207F, 0x00B2, 0x25A0, 0x00A0
};
const size_t of_codepage_437_table_offset =
256 - (sizeof(of_codepage_437_table) / sizeof(*of_codepage_437_table));
static const char page0[] = {
0xFF, 0xAD, 0x9B, 0x9C, 0x00, 0x9D, 0x00, 0x00,
0x00, 0x00, 0xA6, 0xAE, 0xAA, 0x00, 0x00, 0x00,
0xF8, 0xF1, 0xFD, 0x00, 0x00, 0xE6, 0x00, 0xFA,
0x00, 0x00, 0xA7, 0xAF, 0xAC, 0xAB, 0x00, 0xA8,
0x00, 0x00, 0x00, 0x00, 0x8E, 0x8F, 0x92, 0x80,
0x00, 0x90, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0xA5, 0x00, 0x00, 0x00, 0x00, 0x99, 0x00,
0x00, 0x00, 0x00, 0x00, 0x9A, 0x00, 0x00, 0xE1,
0x85, 0xA0, 0x83, 0x00, 0x84, 0x86, 0x91, 0x87,
0x8A, 0x82, 0x88, 0x89, 0x8D, 0xA1, 0x8C, 0x8B,
0x00, 0xA4, 0x95, 0xA2, 0x93, 0x00, 0x94, 0xF6,
0x00, 0x97, 0xA3, 0x96, 0x81, 0x00, 0x00, 0x98
};
static const uint8_t page0Start = 0xA0;
static const uint16_t page0Size = sizeof(page0) / sizeof(*page0);
static const char page1[] = {
0x9F
};
static const uint8_t page1Start = 0x92;
static const uint16_t page1Size = sizeof(page1) / sizeof(*page1);
static const char page3[] = {
0xE2, 0x00, 0x00, 0x00, 0x00, 0xE9, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xE4, 0x00, 0x00, 0xE8, 0x00, 0x00, 0xEA, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE0, 0x00,
0x00, 0xEB, 0xEE, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0xE3, 0x00, 0x00,
0xE5, 0xE7, 0x00, 0xED
};
static const uint8_t page3Start = 0x93;
static const uint16_t page3Size = sizeof(page3) / sizeof(*page3);
static const char page20[] = {
0xFC, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x9E
};
static const uint8_t page20Start = 0x7F;
static const uint16_t page20Size = sizeof(page20) / sizeof(*page20);
static const char page22[] = {
0xF9, 0xFB, 0x00, 0x00, 0x00, 0xEC, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xEF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF7,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xF0, 0x00, 0x00, 0xF3, 0xF2
};
static const uint8_t page22Start = 0x19;
static const uint16_t page22Size = sizeof(page22) / sizeof(*page22);
static const char page23[] = {
0xA9, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xF4, 0xF5
};
static const uint8_t page23Start = 0x10;
static const uint16_t page23Size = sizeof(page23) / sizeof(*page23);
static const char page25[] = {
0xC4, 0x00, 0xB3, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0xDA, 0x00, 0x00, 0x00,
0xBF, 0x00, 0x00, 0x00, 0xC0, 0x00, 0x00, 0x00,
0xD9, 0x00, 0x00, 0x00, 0xC3, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0xB4, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0xC2, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0xC1, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0xC5, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xCD, 0xBA, 0xD5, 0xD6, 0xC9, 0xB8, 0xB7, 0xBB,
0xD4, 0xD3, 0xC8, 0xBE, 0xBD, 0xBC, 0xC6, 0xC7,
0xCC, 0xB5, 0xB6, 0xB9, 0xD1, 0xD2, 0xCB, 0xCF,
0xD0, 0xCA, 0xD8, 0xD7, 0xCE, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xDF, 0x00, 0x00, 0x00, 0xDC, 0x00, 0x00, 0x00,
0xDB, 0x00, 0x00, 0x00, 0xDD, 0x00, 0x00, 0x00,
0xDE, 0xB0, 0xB1, 0xB2, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xFE
};
static const uint8_t page25Start = 0x00;
static const uint16_t page25Size = sizeof(page25) / sizeof(*page25);
bool
of_unicode_to_codepage_437(const of_unichar_t *input, unsigned char *output,
size_t length, bool lossy)
{
for (size_t i = 0; i < length; i++) {
of_unichar_t c = input[i];
if OF_UNLIKELY (c > 0x7F) {
uint8_t index;
if OF_UNLIKELY (c > 0xFFFF) {
if (lossy) {
output[i] = '?';
continue;
} else
return false;
}
switch (c >> 8) {
CASE_MISSING_IS_ERROR(0)
CASE_MISSING_IS_ERROR(1)
CASE_MISSING_IS_ERROR(3)
CASE_MISSING_IS_ERROR(20)
CASE_MISSING_IS_ERROR(22)
CASE_MISSING_IS_ERROR(23)
CASE_MISSING_IS_ERROR(25)
default:
if (lossy) {
output[i] = '?';
continue;
} else
return false;
}
} else
output[i] = (unsigned char)c;
}
return true;
}
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