DRC | 2ff39b8 | 2011-07-28 08:38:59 +0000 | [diff] [blame^] | 1 | /* $XFree86: xc/lib/X11/lcUniConv/cp1251.h,v 1.1 2000/12/04 18:49:32 dawes Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * CP1251 |
| 5 | */ |
| 6 | #ifdef NEED_TOWC |
| 7 | |
| 8 | static const unsigned short cp1251_2uni[128] = { |
| 9 | /* 0x80 */ |
| 10 | 0x0402, 0x0403, 0x201a, 0x0453, 0x201e, 0x2026, 0x2020, 0x2021, |
| 11 | 0x20ac, 0x2030, 0x0409, 0x2039, 0x040a, 0x040c, 0x040b, 0x040f, |
| 12 | /* 0x90 */ |
| 13 | 0x0452, 0x2018, 0x2019, 0x201c, 0x201d, 0x2022, 0x2013, 0x2014, |
| 14 | 0xfffd, 0x2122, 0x0459, 0x203a, 0x045a, 0x045c, 0x045b, 0x045f, |
| 15 | /* 0xa0 */ |
| 16 | 0x00a0, 0x040e, 0x045e, 0x0408, 0x00a4, 0x0490, 0x00a6, 0x00a7, |
| 17 | 0x0401, 0x00a9, 0x0404, 0x00ab, 0x00ac, 0x00ad, 0x00ae, 0x0407, |
| 18 | /* 0xb0 */ |
| 19 | 0x00b0, 0x00b1, 0x0406, 0x0456, 0x0491, 0x00b5, 0x00b6, 0x00b7, |
| 20 | 0x0451, 0x2116, 0x0454, 0x00bb, 0x0458, 0x0405, 0x0455, 0x0457, |
| 21 | /* 0xc0 */ |
| 22 | 0x0410, 0x0411, 0x0412, 0x0413, 0x0414, 0x0415, 0x0416, 0x0417, |
| 23 | 0x0418, 0x0419, 0x041a, 0x041b, 0x041c, 0x041d, 0x041e, 0x041f, |
| 24 | /* 0xd0 */ |
| 25 | 0x0420, 0x0421, 0x0422, 0x0423, 0x0424, 0x0425, 0x0426, 0x0427, |
| 26 | 0x0428, 0x0429, 0x042a, 0x042b, 0x042c, 0x042d, 0x042e, 0x042f, |
| 27 | /* 0xe0 */ |
| 28 | 0x0430, 0x0431, 0x0432, 0x0433, 0x0434, 0x0435, 0x0436, 0x0437, |
| 29 | 0x0438, 0x0439, 0x043a, 0x043b, 0x043c, 0x043d, 0x043e, 0x043f, |
| 30 | /* 0xf0 */ |
| 31 | 0x0440, 0x0441, 0x0442, 0x0443, 0x0444, 0x0445, 0x0446, 0x0447, |
| 32 | 0x0448, 0x0449, 0x044a, 0x044b, 0x044c, 0x044d, 0x044e, 0x044f, |
| 33 | }; |
| 34 | |
| 35 | static int |
| 36 | cp1251_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n) |
| 37 | { |
| 38 | unsigned char c = *s; |
| 39 | if (c < 0x80) { |
| 40 | *pwc = (ucs4_t) c; |
| 41 | return 1; |
| 42 | } |
| 43 | else { |
| 44 | unsigned short wc = cp1251_2uni[c-0x80]; |
| 45 | if (wc != 0xfffd) { |
| 46 | *pwc = (ucs4_t) wc; |
| 47 | return 1; |
| 48 | } |
| 49 | } |
| 50 | return RET_ILSEQ; |
| 51 | } |
| 52 | #endif /* NEED_TOWC */ |
| 53 | |
| 54 | #ifdef NEED_TOMB |
| 55 | static const unsigned char cp1251_page00[32] = { |
| 56 | 0xa0, 0x00, 0x00, 0x00, 0xa4, 0x00, 0xa6, 0xa7, /* 0xa0-0xa7 */ |
| 57 | 0x00, 0xa9, 0x00, 0xab, 0xac, 0xad, 0xae, 0x00, /* 0xa8-0xaf */ |
| 58 | 0xb0, 0xb1, 0x00, 0x00, 0x00, 0xb5, 0xb6, 0xb7, /* 0xb0-0xb7 */ |
| 59 | 0x00, 0x00, 0x00, 0xbb, 0x00, 0x00, 0x00, 0x00, /* 0xb8-0xbf */ |
| 60 | }; |
| 61 | static const unsigned char cp1251_page04[152] = { |
| 62 | 0x00, 0xa8, 0x80, 0x81, 0xaa, 0xbd, 0xb2, 0xaf, /* 0x00-0x07 */ |
| 63 | 0xa3, 0x8a, 0x8c, 0x8e, 0x8d, 0x00, 0xa1, 0x8f, /* 0x08-0x0f */ |
| 64 | 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, /* 0x10-0x17 */ |
| 65 | 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, /* 0x18-0x1f */ |
| 66 | 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, /* 0x20-0x27 */ |
| 67 | 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, /* 0x28-0x2f */ |
| 68 | 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, /* 0x30-0x37 */ |
| 69 | 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, /* 0x38-0x3f */ |
| 70 | 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 0x40-0x47 */ |
| 71 | 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0x48-0x4f */ |
| 72 | 0x00, 0xb8, 0x90, 0x83, 0xba, 0xbe, 0xb3, 0xbf, /* 0x50-0x57 */ |
| 73 | 0xbc, 0x9a, 0x9c, 0x9e, 0x9d, 0x00, 0xa2, 0x9f, /* 0x58-0x5f */ |
| 74 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x60-0x67 */ |
| 75 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x68-0x6f */ |
| 76 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70-0x77 */ |
| 77 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x78-0x7f */ |
| 78 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x80-0x87 */ |
| 79 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x88-0x8f */ |
| 80 | 0xa5, 0xb4, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */ |
| 81 | }; |
| 82 | static const unsigned char cp1251_page20[48] = { |
| 83 | 0x00, 0x00, 0x00, 0x96, 0x97, 0x00, 0x00, 0x00, /* 0x10-0x17 */ |
| 84 | 0x91, 0x92, 0x82, 0x00, 0x93, 0x94, 0x84, 0x00, /* 0x18-0x1f */ |
| 85 | 0x86, 0x87, 0x95, 0x00, 0x00, 0x00, 0x85, 0x00, /* 0x20-0x27 */ |
| 86 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x28-0x2f */ |
| 87 | 0x89, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x30-0x37 */ |
| 88 | 0x00, 0x8b, 0x9b, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x38-0x3f */ |
| 89 | }; |
| 90 | |
| 91 | static int |
| 92 | cp1251_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n) |
| 93 | { |
| 94 | unsigned char c = 0; |
| 95 | if (wc < 0x0080) { |
| 96 | *r = wc; |
| 97 | return 1; |
| 98 | } |
| 99 | else if (wc >= 0x00a0 && wc < 0x00c0) |
| 100 | c = cp1251_page00[wc-0x00a0]; |
| 101 | else if (wc >= 0x0400 && wc < 0x0498) |
| 102 | c = cp1251_page04[wc-0x0400]; |
| 103 | else if (wc >= 0x2010 && wc < 0x2040) |
| 104 | c = cp1251_page20[wc-0x2010]; |
| 105 | else if (wc == 0x20ac) |
| 106 | c = 0x88; |
| 107 | else if (wc == 0x2116) |
| 108 | c = 0xb9; |
| 109 | else if (wc == 0x2122) |
| 110 | c = 0x99; |
| 111 | if (c != 0) { |
| 112 | *r = c; |
| 113 | return 1; |
| 114 | } |
| 115 | return RET_ILSEQ; |
| 116 | } |
| 117 | #endif /* NEED_TOMB */ |