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Diffstat (limited to 'source/lib/kanji.c')
| -rw-r--r-- | source/lib/kanji.c | 895 |
1 files changed, 895 insertions, 0 deletions
diff --git a/source/lib/kanji.c b/source/lib/kanji.c new file mode 100644 index 00000000000..0af476eb157 --- /dev/null +++ b/source/lib/kanji.c @@ -0,0 +1,895 @@ +/* + Unix SMB/Netbios implementation. + Version 1.9. + Kanji Extensions + Copyright (C) Andrew Tridgell 1992-1994 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + + Adding for Japanese language by <fujita@ainix.isac.co.jp> 1994.9.5 + and extend coding system to EUC/SJIS/JIS/HEX at 1994.10.11 + and add all jis codes sequence type at 1995.8.16 + Notes: Hexadecimal code by <ohki@gssm.otuka.tsukuba.ac.jp> +*/ +#ifdef KANJI + +#define _KANJI_C_ +#include "includes.h" + +/* coding system keep in */ +int coding_system = SJIS_CODE; + +/* jis si/so sequence */ +char jis_kso = JIS_KSO; +char jis_ksi = JIS_KSI; +char hex_tag = HEXTAG; + +/******************************************************************* + SHIFT JIS functions +********************************************************************/ +/******************************************************************* + search token from S1 separated any char of S2 + S1 contain SHIFT JIS chars. +********************************************************************/ +char * +sj_strtok (char *s1, const char *s2) +{ + static char *s = NULL; + char *q; + if (!s1) { + if (!s) { + return NULL; + } + s1 = s; + } + for (q = s1; *s1; ) { + if (is_shift_jis (*s1)) { + s1 += 2; + } else if (is_kana (*s1)) { + s1++; + } else { + char *p = strchr (s2, *s1); + if (p) { + if (s1 != q) { + s = s1 + 1; + *s1 = '\0'; + return q; + } + q = s1 + 1; + } + s1++; + } + } + s = NULL; + if (*q) { + return q; + } + return NULL; +} + +/******************************************************************* + search string S2 from S1 + S1 contain SHIFT JIS chars. +********************************************************************/ +char * +sj_strstr (const char *s1, const char *s2) +{ + register int len = strlen ((char *) s2); + if (!*s2) + return (char *) s1; + for (;*s1;) { + if (*s1 == *s2) { + if (strncmp (s1, s2, len) == 0) + return (char *) s1; + } + if (is_shift_jis (*s1)) { + s1 += 2; + } else { + s1++; + } + } + return 0; +} + +/******************************************************************* + Search char C from beginning of S. + S contain SHIFT JIS chars. +********************************************************************/ +char * +sj_strchr (const char *s, int c) +{ + for (; *s; ) { + if (*s == c) + return (char *) s; + if (is_shift_jis (*s)) { + s += 2; + } else { + s++; + } + } + return 0; +} + +/******************************************************************* + Search char C end of S. + S contain SHIFT JIS chars. +********************************************************************/ +char * +sj_strrchr (const char *s, int c) +{ + register char *q; + + for (q = 0; *s; ) { + if (*s == c) { + q = (char *) s; + } + if (is_shift_jis (*s)) { + s += 2; + } else { + s++; + } + } + return q; +} + +/******************************************************************* + Code conversion +********************************************************************/ +/* convesion buffer */ +static char cvtbuf[1024]; + +/******************************************************************* + EUC <-> SJIS +********************************************************************/ +static int +euc2sjis (register int hi, register int lo) +{ + if (hi & 1) + return ((hi / 2 + (hi < 0xdf ? 0x31 : 0x71)) << 8) | + (lo - (lo >= 0xe0 ? 0x60 : 0x61)); + else + return ((hi / 2 + (hi < 0xdf ? 0x30 : 0x70)) << 8) | (lo - 2); +} + +static int +sjis2euc (register int hi, register int lo) +{ + if (lo >= 0x9f) + return ((hi * 2 - (hi >= 0xe0 ? 0xe0 : 0x60)) << 8) | (lo + 2); + else + return ((hi * 2 - (hi >= 0xe0 ? 0xe1 : 0x61)) << 8) | + (lo + (lo >= 0x7f ? 0x60 : 0x61)); +} + +/******************************************************************* + Convert FROM contain SHIFT JIS codes to EUC codes + return converted buffer +********************************************************************/ +static char * +sj_to_euc (const char *from, BOOL overwrite) +{ + register char *out; + char *save; + + save = (char *) from; + for (out = cvtbuf; *from;) { + if (is_shift_jis (*from)) { + int code = sjis2euc ((int) from[0] & 0xff, (int) from[1] & 0xff); + *out++ = (code >> 8) & 0xff; + *out++ = code; + from += 2; + } else if (is_kana (*from)) { + *out++ = euc_kana; + *out++ = *from++; + } else { + *out++ = *from++; + } + } + *out = 0; + if (overwrite) { + strcpy((char *) save, (char *) cvtbuf); + return (char *) save; + } else { + return cvtbuf; + } +} + +/******************************************************************* + Convert FROM contain EUC codes to SHIFT JIS codes + return converted buffer +********************************************************************/ +static char * +euc_to_sj (const char *from, BOOL overwrite) +{ + register char *out; + char *save; + + save = (char *) from; + for (out = cvtbuf; *from; ) { + if (is_euc (*from)) { + int code = euc2sjis ((int) from[0] & 0xff, (int) from[1] & 0xff); + *out++ = (code >> 8) & 0xff; + *out++ = code; + from += 2; + } else if (is_euc_kana (*from)) { + *out++ = from[1]; + from += 2; + } else { + *out++ = *from++; + } + } + *out = 0; + if (overwrite) { + strcpy(save, (char *) cvtbuf); + return save; + } else { + return cvtbuf; + } +} + +/******************************************************************* + JIS7,JIS8,JUNET <-> SJIS +********************************************************************/ +static int +sjis2jis (register int hi, register int lo) +{ + if (lo >= 0x9f) + return ((hi * 2 - (hi >= 0xe0 ? 0x160 : 0xe0)) << 8) | (lo - 0x7e); + else + return ((hi * 2 - (hi >= 0xe0 ? 0x161 : 0xe1)) << 8) | + (lo - (lo >= 0x7f ? 0x20 : 0x1f)); +} + +static int +jis2sjis (register int hi, register int lo) +{ + if (hi & 1) + return ((hi / 2 + (hi < 0x5f ? 0x71 : 0xb1)) << 8) | + (lo + (lo >= 0x60 ? 0x20 : 0x1f)); + else + return ((hi / 2 + (hi < 0x5f ? 0x70 : 0xb0)) << 8) | (lo + 0x7e); +} + +/******************************************************************* + Convert FROM contain JIS codes to SHIFT JIS codes + return converted buffer +********************************************************************/ +static char * +jis8_to_sj (const char *from, BOOL overwrite) +{ + register char *out; + register int shifted; + char *save; + + shifted = _KJ_ROMAN; + save = (char *) from; + for (out = cvtbuf; *from;) { + if (is_esc (*from)) { + if (is_so1 (from[1]) && is_so2 (from[2])) { + shifted = _KJ_KANJI; + from += 3; + } else if (is_si1 (from[1]) && is_si2 (from[2])) { + shifted = _KJ_ROMAN; + from += 3; + } else { /* sequence error */ + goto normal; + } + } else { + normal: + switch (shifted) { + default: + case _KJ_ROMAN: + *out++ = *from++; + break; + case _KJ_KANJI: + { + int code = jis2sjis ((int) from[0] & 0xff, (int) from[1] & 0xff); + *out++ = (code >> 8) & 0xff; + *out++ = code; + from += 2; + } + break; + } + } + } + *out = 0; + if (overwrite) { + strcpy (save, (char *) cvtbuf); + return save; + } else { + return cvtbuf; + } +} + +/******************************************************************* + Convert FROM contain SHIFT JIS codes to JIS codes + return converted buffer +********************************************************************/ +static char * +sj_to_jis8 (const char *from, BOOL overwrite) +{ + register char *out; + register int shifted; + char *save; + + shifted = _KJ_ROMAN; + save = (char *) from; + for (out = cvtbuf; *from; ) { + if (is_shift_jis (*from)) { + int code; + switch (shifted) { + case _KJ_ROMAN: /* to KANJI */ + *out++ = jis_esc; + *out++ = jis_so1; + *out++ = jis_kso; + shifted = _KJ_KANJI; + break; + } + code = sjis2jis ((int) from[0] & 0xff, (int) from[1] & 0xff); + *out++ = (code >> 8) & 0xff; + *out++ = code; + from += 2; + } else { + switch (shifted) { + case _KJ_KANJI: /* to ROMAN/KANA */ + *out++ = jis_esc; + *out++ = jis_si1; + *out++ = jis_ksi; + shifted = _KJ_ROMAN; + break; + } + *out++ = *from++; + } + } + switch (shifted) { + case _KJ_KANJI: /* to ROMAN/KANA */ + *out++ = jis_esc; + *out++ = jis_si1; + *out++ = jis_ksi; + shifted = _KJ_ROMAN; + break; + } + *out = 0; + if (overwrite) { + strcpy (save, (char *) cvtbuf); + return save; + } else { + return cvtbuf; + } +} + +/******************************************************************* + Convert FROM contain 7 bits JIS codes to SHIFT JIS codes + return converted buffer +********************************************************************/ +static char * +jis7_to_sj (const char *from, BOOL overwrite) +{ + register char *out; + register int shifted; + char *save; + + shifted = _KJ_ROMAN; + save = (char *) from; + for (out = cvtbuf; *from;) { + if (is_esc (*from)) { + if (is_so1 (from[1]) && is_so2 (from[2])) { + shifted = _KJ_KANJI; + from += 3; + } else if (is_si1 (from[1]) && is_si2 (from[2])) { + shifted = _KJ_ROMAN; + from += 3; + } else { /* sequence error */ + goto normal; + } + } else if (is_so (*from)) { + shifted = _KJ_KANA; /* to KANA */ + from++; + } else if (is_si (*from)) { + shifted = _KJ_ROMAN; /* to ROMAN */ + from++; + } else { + normal: + switch (shifted) { + default: + case _KJ_ROMAN: + *out++ = *from++; + break; + case _KJ_KANJI: + { + int code = jis2sjis ((int) from[0] & 0xff, (int) from[1] & 0xff); + *out++ = (code >> 8) & 0xff; + *out++ = code; + from += 2; + } + break; + case _KJ_KANA: + *out++ = ((int) from[0]) + 0x80; + break; + } + } + } + *out = 0; + if (overwrite) { + strcpy (save, (char *) cvtbuf); + return save; + } else { + return cvtbuf; + } +} + +/******************************************************************* + Convert FROM contain SHIFT JIS codes to 7 bits JIS codes + return converted buffer +********************************************************************/ +static char * +sj_to_jis7 (const char *from, BOOL overwrite) +{ + register char *out; + register int shifted; + char *save; + + shifted = _KJ_ROMAN; + save = (char *) from; + for (out = cvtbuf; *from; ) { + if (is_shift_jis (*from)) { + int code; + switch (shifted) { + case _KJ_KANA: + *out++ = jis_si; /* to ROMAN and through down */ + case _KJ_ROMAN: /* to KANJI */ + *out++ = jis_esc; + *out++ = jis_so1; + *out++ = jis_kso; + shifted = _KJ_KANJI; + break; + } + code = sjis2jis ((int) from[0] & 0xff, (int) from[1] & 0xff); + *out++ = (code >> 8) & 0xff; + *out++ = code; + from += 2; + } else if (is_kana (from[0])) { + switch (shifted) { + case _KJ_KANJI: /* to ROMAN */ + *out++ = jis_esc; + *out++ = jis_si1; + *out++ = jis_ksi; + case _KJ_ROMAN: /* to KANA */ + *out++ = jis_so; + shifted = _KJ_KANA; + break; + } + *out++ = ((int) *from++) - 0x80; + } else { + switch (shifted) { + case _KJ_KANA: + *out++ = jis_si; /* to ROMAN */ + shifted = _KJ_ROMAN; + break; + case _KJ_KANJI: /* to ROMAN */ + *out++ = jis_esc; + *out++ = jis_si1; + *out++ = jis_ksi; + shifted = _KJ_ROMAN; + break; + } + *out++ = *from++; + } + } + switch (shifted) { + case _KJ_KANA: + *out++ = jis_si; /* to ROMAN */ + break; + case _KJ_KANJI: /* to ROMAN */ + *out++ = jis_esc; + *out++ = jis_si1; + *out++ = jis_ksi; + break; + } + *out = 0; + if (overwrite) { + strcpy (save, (char *) cvtbuf); + return save; + } else { + return cvtbuf; + } +} + +/******************************************************************* + Convert FROM contain 7 bits JIS(junet) codes to SHIFT JIS codes + return converted buffer +********************************************************************/ +static char * +junet_to_sj (const char *from, BOOL overwrite) +{ + register char *out; + register int shifted; + char *save; + + shifted = _KJ_ROMAN; + save = (char *) from; + for (out = cvtbuf; *from;) { + if (is_esc (*from)) { + if (is_so1 (from[1]) && is_so2 (from[2])) { + shifted = _KJ_KANJI; + from += 3; + } else if (is_si1 (from[1]) && is_si2 (from[2])) { + shifted = _KJ_ROMAN; + from += 3; + } else if (is_juk1(from[1]) && is_juk2 (from[2])) { + shifted = _KJ_KANA; + from += 3; + } else { /* sequence error */ + goto normal; + } + } else { + normal: + switch (shifted) { + default: + case _KJ_ROMAN: + *out++ = *from++; + break; + case _KJ_KANJI: + { + int code = jis2sjis ((int) from[0] & 0xff, (int) from[1] & 0xff); + *out++ = (code >> 8) & 0xff; + *out++ = code; + from += 2; + } + break; + case _KJ_KANA: + *out++ = ((int) from[0]) + 0x80; + break; + } + } + } + *out = 0; + if (overwrite) { + strcpy (save, (char *) cvtbuf); + return save; + } else { + return cvtbuf; + } +} + +/******************************************************************* + Convert FROM contain SHIFT JIS codes to 7 bits JIS(junet) codes + return converted buffer +********************************************************************/ +static char * +sj_to_junet (const char *from, BOOL overwrite) +{ + register char *out; + register int shifted; + char *save; + + shifted = _KJ_ROMAN; + save = (char *) from; + for (out = cvtbuf; *from; ) { + if (is_shift_jis (*from)) { + int code; + switch (shifted) { + case _KJ_KANA: + case _KJ_ROMAN: /* to KANJI */ + *out++ = jis_esc; + *out++ = jis_so1; + *out++ = jis_so2; + shifted = _KJ_KANJI; + break; + } + code = sjis2jis ((int) from[0] & 0xff, (int) from[1] & 0xff); + *out++ = (code >> 8) & 0xff; + *out++ = code; + from += 2; + } else if (is_kana (from[0])) { + switch (shifted) { + case _KJ_KANJI: /* to ROMAN */ + case _KJ_ROMAN: /* to KANA */ + *out++ = jis_esc; + *out++ = junet_kana1; + *out++ = junet_kana2; + shifted = _KJ_KANA; + break; + } + *out++ = ((int) *from++) - 0x80; + } else { + switch (shifted) { + case _KJ_KANA: + case _KJ_KANJI: /* to ROMAN */ + *out++ = jis_esc; + *out++ = jis_si1; + *out++ = jis_si2; + shifted = _KJ_ROMAN; + break; + } + *out++ = *from++; + } + } + switch (shifted) { + case _KJ_KANA: + case _KJ_KANJI: /* to ROMAN */ + *out++ = jis_esc; + *out++ = jis_si1; + *out++ = jis_si2; + break; + } + *out = 0; + if (overwrite) { + strcpy (save, (char *) cvtbuf); + return save; + } else { + return cvtbuf; + } +} + +/******************************************************************* + HEX <-> SJIS +********************************************************************/ +/* ":xx" -> a byte */ +static char * +hex_to_sj (const char *from, BOOL overwrite) +{ + char *sp, *dp; + + sp = (char *) from; + dp = cvtbuf; + while (*sp) { + if (*sp == hex_tag && isxdigit (sp[1]) && isxdigit (sp[2])) { + *dp++ = (hex2bin (sp[1])<<4) | (hex2bin (sp[2])); + sp += 3; + } else + *dp++ = *sp++; + } + *dp = '\0'; + if (overwrite) { + strcpy ((char *) from, (char *) cvtbuf); + return (char *) from; + } else { + return cvtbuf; + } +} + +/******************************************************************* + kanji/kana -> ":xx" +********************************************************************/ +static char * +sj_to_hex (const char *from, BOOL overwrite) +{ + unsigned char *sp, *dp; + + sp = (unsigned char*) from; + dp = (unsigned char*) cvtbuf; + while (*sp) { + if (is_kana(*sp)) { + *dp++ = hex_tag; + *dp++ = bin2hex (((*sp)>>4)&0x0f); + *dp++ = bin2hex ((*sp)&0x0f); + sp++; + } else if (is_shift_jis (*sp) && is_shift_jis2 (sp[1])) { + *dp++ = hex_tag; + *dp++ = bin2hex (((*sp)>>4)&0x0f); + *dp++ = bin2hex ((*sp)&0x0f); + sp++; + *dp++ = hex_tag; + *dp++ = bin2hex (((*sp)>>4)&0x0f); + *dp++ = bin2hex ((*sp)&0x0f); + sp++; + } else + *dp++ = *sp++; + } + *dp = '\0'; + if (overwrite) { + strcpy ((char *) from, (char *) cvtbuf); + return (char *) from; + } else { + return cvtbuf; + } +} + +/******************************************************************* + kanji/kana -> ":xx" +********************************************************************/ +static char * +sj_to_cap (const char *from, BOOL overwrite) +{ + unsigned char *sp, *dp; + + sp = (unsigned char*) from; + dp = (unsigned char*) cvtbuf; + while (*sp) { + if (*sp >= 0x80) { + *dp++ = hex_tag; + *dp++ = bin2hex (((*sp)>>4)&0x0f); + *dp++ = bin2hex ((*sp)&0x0f); + sp++; + } else { + *dp++ = *sp++; + } + } + *dp = '\0'; + if (overwrite) { + strcpy ((char *) from, (char *) cvtbuf); + return (char *) from; + } else { + return cvtbuf; + } +} + +/******************************************************************* + sj to sj +********************************************************************/ +static char * +sj_to_sj (const char *from, BOOL overwrite) +{ + if (!overwrite) { + strcpy (cvtbuf, (char *) from); + return cvtbuf; + } else { + return (char *) from; + } +} + +/************************************************************************ + conversion: + _dos_to_unix _unix_to_dos +************************************************************************/ + +char* (*_dos_to_unix) (const char *str, BOOL overwrite) = sj_to_sj; +char* (*_unix_to_dos) (const char *str, BOOL overwrite) = sj_to_sj; + +static int +setup_string_function (int codes) +{ + switch (codes) { + default: + case SJIS_CODE: + _dos_to_unix = sj_to_sj; + _unix_to_dos = sj_to_sj; + + break; + + case EUC_CODE: + _dos_to_unix = sj_to_euc; + _unix_to_dos = euc_to_sj; + break; + + case JIS7_CODE: + _dos_to_unix = sj_to_jis7; + _unix_to_dos = jis7_to_sj; + break; + + case JIS8_CODE: + _dos_to_unix = sj_to_jis8; + _unix_to_dos = jis8_to_sj; + break; + + case JUNET_CODE: + _dos_to_unix = sj_to_junet; + _unix_to_dos = junet_to_sj; + break; + + case HEX_CODE: + _dos_to_unix = sj_to_hex; + _unix_to_dos = hex_to_sj; + break; + + case CAP_CODE: + _dos_to_unix = sj_to_cap; + _unix_to_dos = hex_to_sj; + break; + } + return codes; +} + +/* + * Interpret coding system. + */ +int +interpret_coding_system (char *str, int def) +{ + int codes = def; + + if (strequal (str, "sjis")) { + codes = SJIS_CODE; + } else if (strequal (str, "euc")) { + codes = EUC_CODE; + } else if (strequal (str, "cap")) { + codes = CAP_CODE; + hex_tag = HEXTAG; + } else if (strequal (str, "hex")) { + codes = HEX_CODE; + hex_tag = HEXTAG; + } else if (strncasecmp (str, "hex", 3)) { + codes = HEX_CODE; + hex_tag = (str[3] ? str[3] : HEXTAG); + } else if (strequal (str, "j8bb")) { + codes = JIS8_CODE; + jis_kso = 'B'; + jis_ksi = 'B'; + } else if (strequal (str, "j8bj") || strequal (str, "jis8")) { + codes = JIS8_CODE; + jis_kso = 'B'; + jis_ksi = 'J'; + } else if (strequal (str, "j8bh")) { + codes = JIS8_CODE; + jis_kso = 'B'; + jis_ksi = 'H'; + } else if (strequal (str, "j8@b")) { + codes = JIS8_CODE; + jis_kso = '@'; + jis_ksi = 'B'; + } else if (strequal (str, "j8@j")) { + codes = JIS8_CODE; + jis_kso = '@'; + jis_ksi = 'J'; + } else if (strequal (str, "j8@h")) { + codes = JIS8_CODE; + jis_kso = '@'; + jis_ksi = 'H'; + } else if (strequal (str, "j7bb")) { + codes = JIS7_CODE; + jis_kso = 'B'; + jis_ksi = 'B'; + } else if (strequal (str, "j7bj") || strequal (str, "jis7")) { + codes = JIS7_CODE; + jis_kso = 'B'; + jis_ksi = 'J'; + } else if (strequal (str, "j7bh")) { + codes = JIS7_CODE; + jis_kso = 'B'; + jis_ksi = 'H'; + } else if (strequal (str, "j7@b")) { + codes = JIS7_CODE; + jis_kso = '@'; + jis_ksi = 'B'; + } else if (strequal (str, "j7@j")) { + codes = JIS7_CODE; + jis_kso = '@'; + jis_ksi = 'J'; + } else if (strequal (str, "j7@h")) { + codes = JIS7_CODE; + jis_kso = '@'; + jis_ksi = 'H'; + } else if (strequal (str, "jubb")) { + codes = JUNET_CODE; + jis_kso = 'B'; + jis_ksi = 'B'; + } else if (strequal (str, "jubj") || strequal (str, "junet")) { + codes = JUNET_CODE; + jis_kso = 'B'; + jis_ksi = 'J'; + } else if (strequal (str, "jubh")) { + codes = JUNET_CODE; + jis_kso = 'B'; + jis_ksi = 'H'; + } else if (strequal (str, "ju@b")) { + codes = JUNET_CODE; + jis_kso = '@'; + jis_ksi = 'B'; + } else if (strequal (str, "ju@j")) { + codes = JUNET_CODE; + jis_kso = '@'; + jis_ksi = 'J'; + } else if (strequal (str, "ju@h")) { + codes = JUNET_CODE; + jis_kso = '@'; + jis_ksi = 'H'; + } + return setup_string_function (codes); +} +#else +int kanji_dummy_procedure(void) +{return 0;} +#endif /* KANJI */ |