diff options
author | pixel <pixel> | 2006-01-31 17:02:38 +0000 |
---|---|---|
committer | pixel <pixel> | 2006-01-31 17:02:38 +0000 |
commit | 6daac4eb3604736e20e8af5733f698eb144f0c2a (patch) | |
tree | 7a684f120b20e0aae0ecbedcaad480cdae581200 /MSVC/iconv/cp1258.h | |
parent | 6634b5d65d21b826830d7601178453a0a3084e8d (diff) |
Way too much changes - all over.
Diffstat (limited to 'MSVC/iconv/cp1258.h')
-rw-r--r-- | MSVC/iconv/cp1258.h | 275 |
1 files changed, 275 insertions, 0 deletions
diff --git a/MSVC/iconv/cp1258.h b/MSVC/iconv/cp1258.h new file mode 100644 index 0000000..c1bf93a --- /dev/null +++ b/MSVC/iconv/cp1258.h @@ -0,0 +1,275 @@ +/* + * Copyright (C) 1999-2001 Free Software Foundation, Inc. + * This file is part of the GNU LIBICONV Library. + * + * The GNU LIBICONV Library is free software; you can redistribute it + * and/or modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * The GNU LIBICONV Library is distributed in the hope that it will be + * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with the GNU LIBICONV Library; see the file COPYING.LIB. + * If not, write to the Free Software Foundation, Inc., 59 Temple Place - + * Suite 330, Boston, MA 02111-1307, USA. + */ + +/* + * CP1258 + */ + +#include "flushwc.h" +#include "vietcomb.h" + +static const unsigned char cp1258_comb_table[] = { + 0xcc, 0xec, 0xde, 0xd2, 0xf2, +}; + +static const unsigned short cp1258_2uni[128] = { + /* 0x80 */ + 0x20ac, 0xfffd, 0x201a, 0x0192, 0x201e, 0x2026, 0x2020, 0x2021, + 0x02c6, 0x2030, 0xfffd, 0x2039, 0x0152, 0xfffd, 0xfffd, 0xfffd, + /* 0x90 */ + 0xfffd, 0x2018, 0x2019, 0x201c, 0x201d, 0x2022, 0x2013, 0x2014, + 0x02dc, 0x2122, 0xfffd, 0x203a, 0x0153, 0xfffd, 0xfffd, 0x0178, + /* 0xa0 */ + 0x00a0, 0x00a1, 0x00a2, 0x00a3, 0x00a4, 0x00a5, 0x00a6, 0x00a7, + 0x00a8, 0x00a9, 0x00aa, 0x00ab, 0x00ac, 0x00ad, 0x00ae, 0x00af, + /* 0xb0 */ + 0x00b0, 0x00b1, 0x00b2, 0x00b3, 0x00b4, 0x00b5, 0x00b6, 0x00b7, + 0x00b8, 0x00b9, 0x00ba, 0x00bb, 0x00bc, 0x00bd, 0x00be, 0x00bf, + /* 0xc0 */ + 0x00c0, 0x00c1, 0x00c2, 0x0102, 0x00c4, 0x00c5, 0x00c6, 0x00c7, + 0x00c8, 0x00c9, 0x00ca, 0x00cb, 0x0300, 0x00cd, 0x00ce, 0x00cf, + /* 0xd0 */ + 0x0110, 0x00d1, 0x0309, 0x00d3, 0x00d4, 0x01a0, 0x00d6, 0x00d7, + 0x00d8, 0x00d9, 0x00da, 0x00db, 0x00dc, 0x01af, 0x0303, 0x00df, + /* 0xe0 */ + 0x00e0, 0x00e1, 0x00e2, 0x0103, 0x00e4, 0x00e5, 0x00e6, 0x00e7, + 0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x0301, 0x00ed, 0x00ee, 0x00ef, + /* 0xf0 */ + 0x0111, 0x00f1, 0x0323, 0x00f3, 0x00f4, 0x01a1, 0x00f6, 0x00f7, + 0x00f8, 0x00f9, 0x00fa, 0x00fb, 0x00fc, 0x01b0, 0x20ab, 0x00ff, +}; + +/* In the CP1258 to Unicode direction, the state contains a buffered + character, or 0 if none. */ + +static int +cp1258_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n) +{ + unsigned char c = *s; + unsigned short wc; + unsigned short last_wc; + if (c < 0x80) { + wc = c; + } else { + wc = cp1258_2uni[c-0x80]; + if (wc == 0xfffd) + return RET_ILSEQ; + } + last_wc = conv->istate; + if (last_wc) { + if (wc >= 0x0300 && wc < 0x0340) { + /* See whether last_wc and wc can be combined. */ + unsigned int k; + unsigned int i1, i2; + switch (wc) { + case 0x0300: k = 0; break; + case 0x0301: k = 1; break; + case 0x0303: k = 2; break; + case 0x0309: k = 3; break; + case 0x0323: k = 4; break; + default: abort(); + } + i1 = viet_comp_table[k].idx; + i2 = i1 + viet_comp_table[k].len-1; + if (last_wc >= viet_comp_table_data[i1].base + && last_wc <= viet_comp_table_data[i2].base) { + unsigned int i; + for (;;) { + i = (i1+i2)>>1; + if (last_wc == viet_comp_table_data[i].base) + break; + if (last_wc < viet_comp_table_data[i].base) { + if (i1 == i) + goto not_combining; + i2 = i; + } else { + if (i1 != i) + i1 = i; + else { + i = i2; + if (last_wc == viet_comp_table_data[i].base) + break; + goto not_combining; + } + } + } + last_wc = viet_comp_table_data[i].composed; + /* Output the combined character. */ + conv->istate = 0; + *pwc = (ucs4_t) last_wc; + return 1; + } + } + not_combining: + /* Output the buffered character. */ + conv->istate = 0; + *pwc = (ucs4_t) last_wc; + return 0; /* Don't advance the input pointer. */ + } + if (wc >= 0x0041 && wc <= 0x01b0) { + /* wc is a possible match in viet_comp_table_data. Buffer it. */ + conv->istate = wc; + return RET_TOOFEW(1); + } else { + /* Output wc immediately. */ + *pwc = (ucs4_t) wc; + return 1; + } +} + +#define cp1258_flushwc normal_flushwc + +static const unsigned char cp1258_page00[88] = { + 0xc0, 0xc1, 0xc2, 0x00, 0xc4, 0xc5, 0xc6, 0xc7, /* 0xc0-0xc7 */ + 0xc8, 0xc9, 0xca, 0xcb, 0x00, 0xcd, 0xce, 0xcf, /* 0xc8-0xcf */ + 0x00, 0xd1, 0x00, 0xd3, 0xd4, 0x00, 0xd6, 0xd7, /* 0xd0-0xd7 */ + 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0x00, 0x00, 0xdf, /* 0xd8-0xdf */ + 0xe0, 0xe1, 0xe2, 0x00, 0xe4, 0xe5, 0xe6, 0xe7, /* 0xe0-0xe7 */ + 0xe8, 0xe9, 0xea, 0xeb, 0x00, 0xed, 0xee, 0xef, /* 0xe8-0xef */ + 0x00, 0xf1, 0x00, 0xf3, 0xf4, 0x00, 0xf6, 0xf7, /* 0xf0-0xf7 */ + 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0x00, 0x00, 0xff, /* 0xf8-0xff */ + /* 0x0100 */ + 0x00, 0x00, 0xc3, 0xe3, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ + 0xd0, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ +}; +static const unsigned char cp1258_page01[104] = { + 0x00, 0x00, 0x8c, 0x9c, 0x00, 0x00, 0x00, 0x00, /* 0x50-0x57 */ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x58-0x5f */ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x60-0x67 */ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x68-0x6f */ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70-0x77 */ + 0x9f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x78-0x7f */ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x80-0x87 */ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x88-0x8f */ + 0x00, 0x00, 0x83, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x98-0x9f */ + 0xd5, 0xf5, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa0-0xa7 */ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xdd, /* 0xa8-0xaf */ + 0xfd, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xb0-0xb7 */ +}; +static const unsigned char cp1258_page02[32] = { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x88, 0x00, /* 0xc0-0xc7 */ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xc8-0xcf */ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xd0-0xd7 */ + 0x00, 0x00, 0x00, 0x00, 0x98, 0x00, 0x00, 0x00, /* 0xd8-0xdf */ +}; +static const unsigned char cp1258_page03[40] = { + 0xcc, 0xec, 0x00, 0xde, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ + 0x00, 0xd2, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x18-0x1f */ + 0x00, 0x00, 0x00, 0xf2, 0x00, 0x00, 0x00, 0x00, /* 0x20-0x27 */ +}; +static const unsigned char cp1258_page20[48] = { + 0x00, 0x00, 0x00, 0x96, 0x97, 0x00, 0x00, 0x00, /* 0x10-0x17 */ + 0x91, 0x92, 0x82, 0x00, 0x93, 0x94, 0x84, 0x00, /* 0x18-0x1f */ + 0x86, 0x87, 0x95, 0x00, 0x00, 0x00, 0x85, 0x00, /* 0x20-0x27 */ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x28-0x2f */ + 0x89, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x30-0x37 */ + 0x00, 0x8b, 0x9b, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x38-0x3f */ +}; + +static int +cp1258_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n) +{ + unsigned char c = 0; + if (wc < 0x0080) { + *r = wc; + return 1; + } + else if (wc >= 0x00a0 && wc < 0x00c0) + c = wc; + else if (wc >= 0x00c0 && wc < 0x0118) + c = cp1258_page00[wc-0x00c0]; + else if (wc >= 0x0150 && wc < 0x01b8) + c = cp1258_page01[wc-0x0150]; + else if (wc >= 0x02c0 && wc < 0x02e0) + c = cp1258_page02[wc-0x02c0]; + else if (wc >= 0x0300 && wc < 0x0328) + c = cp1258_page03[wc-0x0300]; + else if (wc >= 0x0340 && wc < 0x0342) /* deprecated Vietnamese tone marks */ + c = cp1258_page03[wc-0x0340]; + else if (wc >= 0x2010 && wc < 0x2040) + c = cp1258_page20[wc-0x2010]; + else if (wc == 0x20ab) + c = 0xfe; + else if (wc == 0x20ac) + c = 0x80; + else if (wc == 0x2122) + c = 0x99; + if (c != 0) { + *r = c; + return 1; + } + /* Try canonical decomposition. */ + { + /* Binary search through viet_decomp_table. */ + unsigned int i1 = 0; + unsigned int i2 = sizeof(viet_decomp_table)/sizeof(viet_decomp_table[0])-1; + if (wc >= viet_decomp_table[i1].composed + && wc <= viet_decomp_table[i2].composed) { + unsigned int i; + for (;;) { + /* Here i2 - i1 > 0. */ + i = (i1+i2)>>1; + if (wc == viet_decomp_table[i].composed) + break; + if (wc < viet_decomp_table[i].composed) { + if (i1 == i) + return RET_ILUNI; + /* Here i1 < i < i2. */ + i2 = i; + } else { + /* Here i1 <= i < i2. */ + if (i1 != i) + i1 = i; + else { + /* Here i2 - i1 = 1. */ + i = i2; + if (wc == viet_decomp_table[i].composed) + break; + else + return RET_ILUNI; + } + } + } + /* Found a canonical decomposition. */ + wc = viet_decomp_table[i].base; + /* wc is one of 0x0020, 0x0041..0x005a, 0x0061..0x007a, 0x00a5, 0x00a8, + 0x00c2, 0x00c5..0x00c7, 0x00ca, 0x00cf, 0x00d3, 0x00d4, 0x00d6, + 0x00d8, 0x00da, 0x00dc, 0x00e2, 0x00e5..0x00e7, 0x00ea, 0x00ef, + 0x00f3, 0x00f4, 0x00f6, 0x00f8, 0x00fc, 0x0102, 0x0103, 0x01a0, + 0x01a1, 0x01af, 0x01b0. */ + if (wc < 0x0100) + c = wc; + else if (wc < 0x0118) + c = cp1258_page00[wc-0x00c0]; + else + c = cp1258_page01[wc-0x0150]; + if (n < 2) + return RET_TOOSMALL; + r[0] = c; + r[1] = cp1258_comb_table[viet_decomp_table[i].comb1]; + return 2; + } + } + return RET_ILUNI; +} |