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Diffstat (limited to 'tools/codepages.c')
| -rw-r--r-- | tools/codepages.c | 231 |
1 files changed, 231 insertions, 0 deletions
diff --git a/tools/codepages.c b/tools/codepages.c new file mode 100644 index 0000000000..94768860f4 --- /dev/null +++ b/tools/codepages.c @@ -0,0 +1,231 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * + * + * Copyright (C) 2005 by Frank Dischner + * + * All files in this archive are subject to the GNU General Public License. + * See the file COPYING in the source tree root for full license agreement. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include "codepages.h" + +#define MAX_TABLE_SIZE 32768 + +static unsigned short iso_table[MAX_TABLE_SIZE]; + +static const unsigned short iso8859_7_to_uni[] = { + 0x2018, 0x2019, 0x00A3, 0x20AC, 0x20AF, 0x00A6, 0x00A7, /* A1-A7 */ + 0x00A8, 0x00A9, 0x037A, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x2015, /* A8-AF */ + 0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x0384, 0x0385, 0x0386, 0x00B7 /* B0-B7 */ +}; + +static const unsigned short cp1251_to_uni[] = { + 0x0402, 0x0403, 0x201A, 0x0453, 0x201E, 0x2026, 0x2020, 0x2021, /* 80-87 */ + 0x20AC, 0x2030, 0x0409, 0x2039, 0x040A, 0x040C, 0x040B, 0x040F, /* 88-8F */ + 0x0452, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014, /* 90-97 */ + 0x0098, 0x2122, 0x0459, 0x203A, 0x045A, 0x045C, 0x045B, 0x045F, /* 98-9F */ + 0x00A0, 0x040E, 0x045E, 0x0408, 0x00A4, 0x0490, 0x00A6, 0x00A7, /* A0-A7 */ + 0x0401, 0x00A9, 0x0404, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x0407, /* A8-AF */ + 0x00B0, 0x00B1, 0x0406, 0x0456, 0x0491, 0x00B5, 0x00B6, 0x00B7, /* B0-B7 */ + 0x0451, 0x2116, 0x0454, 0x00BB, 0x0458, 0x0405, 0x0455, 0x0457 /* B8-BF */ +}; + +static const unsigned short iso8859_2_to_uni[] = { + 0x0104, 0x02D8, 0x0141, 0x00A4, 0x013D, 0x015A, 0x00A7, /* A1-A7 */ + 0x00A8, 0x0160, 0x015E, 0x0164, 0x0179, 0x00AD, 0x017D, 0x017B, /* A8-AF */ + 0x00B0, 0x0105, 0x02DB, 0x0142, 0x00B4, 0x013E, 0x015B, 0x02C7, /* B0-B7 */ + 0x00B8, 0x0161, 0x015F, 0x0165, 0x017A, 0x02DD, 0x017E, 0x017C, /* B8-BF */ + 0x0154, 0x00C1, 0x00C2, 0x0102, 0x00C4, 0x0139, 0x0106, 0x00C7, /* C0-C7 */ + 0x010C, 0x00C9, 0x0118, 0x00CB, 0x011A, 0x00CD, 0x00CE, 0x010E, /* C8-CF */ + 0x0110, 0x0143, 0x0147, 0x00D3, 0x00D4, 0x0150, 0x00D6, 0x00D7, /* D0-D7 */ + 0x0158, 0x016E, 0x00DA, 0x0170, 0x00DC, 0x00DD, 0x0162, 0x00DF, /* D8-DF */ + 0x0155, 0x00E1, 0x00E2, 0x0103, 0x00E4, 0x013A, 0x0107, 0x00E7, /* E0-E7 */ + 0x010D, 0x00E9, 0x0119, 0x00EB, 0x011B, 0x00ED, 0x00EE, 0x010F, /* E8-EF */ + 0x0111, 0x0144, 0x0148, 0x00F3, 0x00F4, 0x0151, 0x00F6, 0x00F7, /* F0-F7 */ + 0x0159, 0x016F, 0x00FA, 0x0171, 0x00FC, 0x00FD, 0x0163, 0x02D9 /* F8-FF */ +}; + +unsigned short iso_decode(unsigned char *latin1, int cp, int count) +{ + unsigned short ucs = 0; + + /* cp tells us which codepage to convert from */ + switch (cp) { + case 0x01: /* Greek (ISO-8859-7) */ + while (count--) { + /* first convert to unicode */ + if (*latin1 < 0xA1) + ucs = *latin1++; + else if (*latin1 > 0xB7) + ucs = *latin1++ + 0x02D0; + else + ucs = iso8859_7_to_uni[*latin1++ - 0xA1]; + } + break; + + case 0x02: /* Hebrew (ISO-8859-8) */ + while (count--) { + /* first convert to unicode */ + if (*latin1 == 0xAA) { + ucs = 0xD7; + latin1++; + } else if (*latin1 == 0xBA) { + ucs = 0xF7; + latin1++; + } else if (*latin1 == 0xDF) { + ucs = 0x2017; + latin1++; + } else if (*latin1 < 0xC0) + ucs = *latin1++; + else + ucs = *latin1++ + 0x04F0; + } + break; + + case 0x03: /* Russian (CP1251) */ + while (count--) { + /* first convert to unicode */ + if (*latin1 < 0x80) + ucs = *latin1++; + else if (*latin1 > 0xBF) + ucs = *latin1++ + 0x0350; + else + ucs = cp1251_to_uni[*latin1++ - 0x80]; + } + break; + + case 0x04: /* Thai (ISO-8859-11) */ + while (count--) { + /* first convert to unicode */ + if (*latin1 < 0xA1) + ucs = *latin1++; + else + ucs = *latin1++ + 0x0D60; + } + break; + + case 0x05: /* Arabic (ISO-8859-6) */ + while (count--) { + /* first convert to unicode */ + if (*latin1 < 0xAC || *latin1 == 0xAD) + ucs = *latin1++; + else + ucs = *latin1++ + 0x0560; + } + break; + + case 0x06: /* Turkish (ISO-8859-9) */ + while (count--) { + /* first convert to unicode */ + switch (*latin1) { + case 0xD0: + ucs = 0x011E; + break; + case 0xDD: + ucs = 0x0130; + break; + case 0xDE: + ucs = 0x015E; + break; + case 0xF0: + ucs = 0x011F; + break; + case 0xFD: + ucs = 0x0131; + break; + case 0xFE: + ucs = 0x015F; + break; + default: + ucs = *latin1; + break; + } + + latin1++; + } + break; + + case 0x07: /* Latin Extended (ISO-8859-2) */ + while (count--) { + /* first convert to unicode */ + if (*latin1 < 0xA1) + ucs = *latin1++; + else + ucs = iso8859_2_to_uni[*latin1++ - 0xA1]; + } + break; + + default: + break; + } + return ucs; +} + +int writeshort(FILE *f, unsigned short s) +{ + putc(s, f); + return putc(s>>8, f) != EOF; +} + +int main(void) +{ + + int i, j; + unsigned char k; + unsigned short uni; + FILE *of; + + for (i=0; i < MAX_TABLE_SIZE; i++) + iso_table[i] = 0; + + of = fopen("iso.cp", "wb"); + if (!of) return 1; + + for (i=1; i<8; i++) { + + for (j=0; j<128; j++) { + k = (unsigned char)j + 128; + uni = iso_decode(&k, i, 1); + writeshort(of, uni); + } + } + fclose(of); + + of = fopen("932.cp", "wb"); + if (!of) return 1; + for (i=0; i < MAX_TABLE_SIZE; i++) + writeshort(of, cp932_table[i]); + fclose(of); + + of = fopen("936.cp", "wb"); + if (!of) return 1; + for (i=0; i < MAX_TABLE_SIZE; i++) + writeshort(of, cp936_table[i]); + fclose(of); + + of = fopen("949.cp", "wb"); + if (!of) return 1; + for (i=0; i < MAX_TABLE_SIZE; i++) + writeshort(of, cp949_table[i]); + fclose(of); + + of = fopen("950.cp", "wb"); + if (!of) return 1; + for (i=0; i < MAX_TABLE_SIZE; i++) + writeshort(of, cp950_table[i]); + fclose(of); + + return 0; +} |