| DRC | 2ff39b8 | 2011-07-28 08:38:59 +0000 | [diff] [blame] | 1 | /* $XFree86: xc/lib/X11/lcUniConv/cp1133.h,v 1.3 2000/11/29 17:40:28 dawes Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * IBM-CP1133 |
| 5 | */ |
| 6 | |
| 7 | static const unsigned short cp1133_2uni_1[64] = { |
| 8 | /* 0xa0 */ |
| 9 | 0x00a0, 0x0e81, 0x0e82, 0x0e84, 0x0e87, 0x0e88, 0x0eaa, 0x0e8a, |
| 10 | 0x0e8d, 0x0e94, 0x0e95, 0x0e96, 0x0e97, 0x0e99, 0x0e9a, 0x0e9b, |
| 11 | /* 0xb0 */ |
| 12 | 0x0e9c, 0x0e9d, 0x0e9e, 0x0e9f, 0x0ea1, 0x0ea2, 0x0ea3, 0x0ea5, |
| 13 | 0x0ea7, 0x0eab, 0x0ead, 0x0eae, 0xfffd, 0xfffd, 0xfffd, 0x0eaf, |
| 14 | /* 0xc0 */ |
| 15 | 0x0eb0, 0x0eb2, 0x0eb3, 0x0eb4, 0x0eb5, 0x0eb6, 0x0eb7, 0x0eb8, |
| 16 | 0x0eb9, 0x0ebc, 0x0eb1, 0x0ebb, 0x0ebd, 0xfffd, 0xfffd, 0xfffd, |
| 17 | /* 0xd0 */ |
| 18 | 0x0ec0, 0x0ec1, 0x0ec2, 0x0ec3, 0x0ec4, 0x0ec8, 0x0ec9, 0x0eca, |
| 19 | 0x0ecb, 0x0ecc, 0x0ecd, 0x0ec6, 0xfffd, 0x0edc, 0x0edd, 0x20ad, |
| 20 | }; |
| 21 | static const unsigned short cp1133_2uni_2[16] = { |
| 22 | /* 0xf0 */ |
| 23 | 0x0ed0, 0x0ed1, 0x0ed2, 0x0ed3, 0x0ed4, 0x0ed5, 0x0ed6, 0x0ed7, |
| 24 | 0x0ed8, 0x0ed9, 0xfffd, 0xfffd, 0x00a2, 0x00ac, 0x00a6, 0xfffd, |
| 25 | }; |
| 26 | |
| 27 | static int |
| 28 | cp1133_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n) |
| 29 | { |
| 30 | unsigned char c = *s; |
| 31 | if (c < 0xa0) { |
| 32 | *pwc = (ucs4_t) c; |
| 33 | return 1; |
| 34 | } |
| 35 | else if (c < 0xe0) { |
| 36 | unsigned short wc = cp1133_2uni_1[c-0xa0]; |
| 37 | if (wc != 0xfffd) { |
| 38 | *pwc = (ucs4_t) wc; |
| 39 | return 1; |
| 40 | } |
| 41 | } |
| 42 | else if (c < 0xf0) { |
| 43 | } |
| 44 | else { |
| 45 | unsigned short wc = cp1133_2uni_2[c-0xf0]; |
| 46 | if (wc != 0xfffd) { |
| 47 | *pwc = (ucs4_t) wc; |
| 48 | return 1; |
| 49 | } |
| 50 | } |
| 51 | return RET_ILSEQ; |
| 52 | } |
| 53 | |
| 54 | static const unsigned char cp1133_page00[16] = { |
| 55 | 0xa0, 0x00, 0xfc, 0x00, 0x00, 0x00, 0xfe, 0x00, /* 0xa0-0xa7 */ |
| 56 | 0x00, 0x00, 0x00, 0x00, 0xfd, 0x00, 0x00, 0x00, /* 0xa8-0xaf */ |
| 57 | }; |
| 58 | static const unsigned char cp1133_page0e[96] = { |
| 59 | 0x00, 0xa1, 0xa2, 0x00, 0xa3, 0x00, 0x00, 0xa4, /* 0x80-0x87 */ |
| 60 | 0xa5, 0x00, 0xa7, 0x00, 0x00, 0xa8, 0x00, 0x00, /* 0x88-0x8f */ |
| 61 | 0x00, 0x00, 0x00, 0x00, 0xa9, 0xaa, 0xab, 0xac, /* 0x90-0x97 */ |
| 62 | 0x00, 0xad, 0xae, 0xaf, 0xb0, 0xb1, 0xb2, 0xb3, /* 0x98-0x9f */ |
| 63 | 0x00, 0xb4, 0xb5, 0xb6, 0x00, 0xb7, 0x00, 0xb8, /* 0xa0-0xa7 */ |
| 64 | 0x00, 0x00, 0xa6, 0xb9, 0x00, 0xba, 0xbb, 0xbf, /* 0xa8-0xaf */ |
| 65 | 0xc0, 0xca, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, /* 0xb0-0xb7 */ |
| 66 | 0xc7, 0xc8, 0x00, 0xcb, 0xc9, 0xcc, 0x00, 0x00, /* 0xb8-0xbf */ |
| 67 | 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0x00, 0xdb, 0x00, /* 0xc0-0xc7 */ |
| 68 | 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0x00, 0x00, /* 0xc8-0xcf */ |
| 69 | 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 0xd0-0xd7 */ |
| 70 | 0xf8, 0xf9, 0x00, 0x00, 0xdd, 0xde, 0x00, 0x00, /* 0xd8-0xdf */ |
| 71 | }; |
| 72 | |
| 73 | static int |
| 74 | cp1133_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n) |
| 75 | { |
| 76 | unsigned char c = 0; |
| 77 | if (wc < 0x00a0) { |
| 78 | *r = wc; |
| 79 | return 1; |
| 80 | } |
| 81 | else if (wc >= 0x00a0 && wc < 0x00b0) |
| 82 | c = cp1133_page00[wc-0x00a0]; |
| 83 | else if (wc >= 0x0e80 && wc < 0x0ee0) |
| 84 | c = cp1133_page0e[wc-0x0e80]; |
| 85 | else if (wc == 0x20ad) |
| 86 | c = 0xdf; |
| 87 | if (c != 0) { |
| 88 | *r = c; |
| 89 | return 1; |
| 90 | } |
| 91 | return RET_ILSEQ; |
| 92 | } |