From 5e01a4852b31d537307994248869caf38b4023cc Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= Date: Tue, 10 May 2016 05:12:17 +0200 Subject: Imported Upstream version 6.0.0 --- enc/gb18030.c | 495 ---------------------------------------------------------- 1 file changed, 495 deletions(-) delete mode 100644 enc/gb18030.c (limited to 'enc/gb18030.c') diff --git a/enc/gb18030.c b/enc/gb18030.c deleted file mode 100644 index 6bbd109..0000000 --- a/enc/gb18030.c +++ /dev/null @@ -1,495 +0,0 @@ -/********************************************************************** - gb18030.c - Oniguruma (regular expression library) -**********************************************************************/ -/*- - * Copyright (c) 2005-2007 KUBO Takehiro - * K.Kosako - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include "regenc.h" - -#if 1 -#define DEBUG_GB18030(arg) -#else -#define DEBUG_GB18030(arg) printf arg -#endif - -enum { - C1, /* one-byte char */ - C2, /* one-byte or second of two-byte char */ - C4, /* one-byte or second or fourth of four-byte char */ - CM /* first of two- or four-byte char or second of two-byte char */ -}; - -static const char GB18030_MAP[] = { - C1, C1, C1, C1, C1, C1, C1, C1, C1, C1, C1, C1, C1, C1, C1, C1, - C1, C1, C1, C1, C1, C1, C1, C1, C1, C1, C1, C1, C1, C1, C1, C1, - C1, C1, C1, C1, C1, C1, C1, C1, C1, C1, C1, C1, C1, C1, C1, C1, - C4, C4, C4, C4, C4, C4, C4, C4, C4, C4, C1, C1, C1, C1, C1, C1, - C2, C2, C2, C2, C2, C2, C2, C2, C2, C2, C2, C2, C2, C2, C2, C2, - C2, C2, C2, C2, C2, C2, C2, C2, C2, C2, C2, C2, C2, C2, C2, C2, - C2, C2, C2, C2, C2, C2, C2, C2, C2, C2, C2, C2, C2, C2, C2, C2, - C2, C2, C2, C2, C2, C2, C2, C2, C2, C2, C2, C2, C2, C2, C2, C1, - C2, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, - CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, - CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, - CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, - CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, - CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, - CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, - CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, CM, C1 -}; - -static int -gb18030_mbc_enc_len(const UChar* p) -{ - if (GB18030_MAP[*p] != CM) - return 1; - p++; - if (GB18030_MAP[*p] == C4) - return 4; - if (GB18030_MAP[*p] == C1) - return 1; /* illegal sequence */ - return 2; -} - -static OnigCodePoint -gb18030_mbc_to_code(const UChar* p, const UChar* end) -{ - return onigenc_mbn_mbc_to_code(ONIG_ENCODING_GB18030, p, end); -} - -static int -gb18030_code_to_mbc(OnigCodePoint code, UChar *buf) -{ - return onigenc_mb4_code_to_mbc(ONIG_ENCODING_GB18030, code, buf); -} - -static int -gb18030_mbc_case_fold(OnigCaseFoldType flag, const UChar** pp, const UChar* end, - UChar* lower) -{ - return onigenc_mbn_mbc_case_fold(ONIG_ENCODING_GB18030, flag, - pp, end, lower); -} - -#if 0 -static int -gb18030_is_mbc_ambiguous(OnigCaseFoldType flag, - const UChar** pp, const UChar* end) -{ - return onigenc_mbn_is_mbc_ambiguous(ONIG_ENCODING_GB18030, flag, pp, end); -} -#endif - -static int -gb18030_is_code_ctype(OnigCodePoint code, unsigned int ctype) -{ - return onigenc_mb4_is_code_ctype(ONIG_ENCODING_GB18030, code, ctype); -} - -enum state { - S_START, - S_one_C2, - S_one_C4, - S_one_CM, - - S_odd_CM_one_CX, - S_even_CM_one_CX, - - /* CMC4 : pair of "CM C4" */ - S_one_CMC4, - S_odd_CMC4, - S_one_C4_odd_CMC4, - S_even_CMC4, - S_one_C4_even_CMC4, - - S_odd_CM_odd_CMC4, - S_even_CM_odd_CMC4, - - S_odd_CM_even_CMC4, - S_even_CM_even_CMC4, - - /* C4CM : pair of "C4 CM" */ - S_odd_C4CM, - S_one_CM_odd_C4CM, - S_even_C4CM, - S_one_CM_even_C4CM, - - S_even_CM_odd_C4CM, - S_odd_CM_odd_C4CM, - S_even_CM_even_C4CM, - S_odd_CM_even_C4CM, -}; - -static UChar* -gb18030_left_adjust_char_head(const UChar* start, const UChar* s) -{ - const UChar *p; - enum state state = S_START; - - DEBUG_GB18030(("----------------\n")); - for (p = s; p >= start; p--) { - DEBUG_GB18030(("state %d --(%02x)-->\n", state, *p)); - switch (state) { - case S_START: - switch (GB18030_MAP[*p]) { - case C1: - return (UChar *)s; - case C2: - state = S_one_C2; /* C2 */ - break; - case C4: - state = S_one_C4; /* C4 */ - break; - case CM: - state = S_one_CM; /* CM */ - break; - } - break; - case S_one_C2: /* C2 */ - switch (GB18030_MAP[*p]) { - case C1: - case C2: - case C4: - return (UChar *)s; - case CM: - state = S_odd_CM_one_CX; /* CM C2 */ - break; - } - break; - case S_one_C4: /* C4 */ - switch (GB18030_MAP[*p]) { - case C1: - case C2: - case C4: - return (UChar *)s; - case CM: - state = S_one_CMC4; - break; - } - break; - case S_one_CM: /* CM */ - switch (GB18030_MAP[*p]) { - case C1: - case C2: - return (UChar *)s; - case C4: - state = S_odd_C4CM; - break; - case CM: - state = S_odd_CM_one_CX; /* CM CM */ - break; - } - break; - - case S_odd_CM_one_CX: /* CM C2 */ /* CM CM */ /* CM CM CM C4 */ - switch (GB18030_MAP[*p]) { - case C1: - case C2: - case C4: - return (UChar *)(s - 1); - case CM: - state = S_even_CM_one_CX; - break; - } - break; - case S_even_CM_one_CX: /* CM CM C2 */ /* CM CM CM */ /* CM CM C4 */ - switch (GB18030_MAP[*p]) { - case C1: - case C2: - case C4: - return (UChar *)s; - case CM: - state = S_odd_CM_one_CX; - break; - } - break; - - case S_one_CMC4: /* CM C4 */ - switch (GB18030_MAP[*p]) { - case C1: - case C2: - return (UChar *)(s - 1); - case C4: - state = S_one_C4_odd_CMC4; /* C4 CM C4 */ - break; - case CM: - state = S_even_CM_one_CX; /* CM CM C4 */ - break; - } - break; - case S_odd_CMC4: /* CM C4 CM C4 CM C4 */ - switch (GB18030_MAP[*p]) { - case C1: - case C2: - return (UChar *)(s - 1); - case C4: - state = S_one_C4_odd_CMC4; - break; - case CM: - state = S_odd_CM_odd_CMC4; - break; - } - break; - case S_one_C4_odd_CMC4: /* C4 CM C4 */ - switch (GB18030_MAP[*p]) { - case C1: - case C2: - case C4: - return (UChar *)(s - 1); - case CM: - state = S_even_CMC4; /* CM C4 CM C4 */ - break; - } - break; - case S_even_CMC4: /* CM C4 CM C4 */ - switch (GB18030_MAP[*p]) { - case C1: - case C2: - return (UChar *)(s - 3); - case C4: - state = S_one_C4_even_CMC4; - break; - case CM: - state = S_odd_CM_even_CMC4; - break; - } - break; - case S_one_C4_even_CMC4: /* C4 CM C4 CM C4 */ - switch (GB18030_MAP[*p]) { - case C1: - case C2: - case C4: - return (UChar *)(s - 3); - case CM: - state = S_odd_CMC4; - break; - } - break; - - case S_odd_CM_odd_CMC4: /* CM CM C4 CM C4 CM C4 */ - switch (GB18030_MAP[*p]) { - case C1: - case C2: - case C4: - return (UChar *)(s - 3); - case CM: - state = S_even_CM_odd_CMC4; - break; - } - break; - case S_even_CM_odd_CMC4: /* CM CM CM C4 CM C4 CM C4 */ - switch (GB18030_MAP[*p]) { - case C1: - case C2: - case C4: - return (UChar *)(s - 1); - case CM: - state = S_odd_CM_odd_CMC4; - break; - } - break; - - case S_odd_CM_even_CMC4: /* CM CM C4 CM C4 */ - switch (GB18030_MAP[*p]) { - case C1: - case C2: - case C4: - return (UChar *)(s - 1); - case CM: - state = S_even_CM_even_CMC4; - break; - } - break; - case S_even_CM_even_CMC4: /* CM CM CM C4 CM C4 */ - switch (GB18030_MAP[*p]) { - case C1: - case C2: - case C4: - return (UChar *)(s - 3); - case CM: - state = S_odd_CM_even_CMC4; - break; - } - break; - - case S_odd_C4CM: /* C4 CM */ /* C4 CM C4 CM C4 CM*/ - switch (GB18030_MAP[*p]) { - case C1: - case C2: - case C4: - return (UChar *)s; - case CM: - state = S_one_CM_odd_C4CM; /* CM C4 CM */ - break; - } - break; - case S_one_CM_odd_C4CM: /* CM C4 CM */ /* CM C4 CM C4 CM C4 CM */ - switch (GB18030_MAP[*p]) { - case C1: - case C2: - return (UChar *)(s - 2); /* |CM C4 CM */ - case C4: - state = S_even_C4CM; - break; - case CM: - state = S_even_CM_odd_C4CM; - break; - } - break; - case S_even_C4CM: /* C4 CM C4 CM */ - switch (GB18030_MAP[*p]) { - case C1: - case C2: - case C4: - return (UChar *)(s - 2); /* C4|CM C4 CM */ - case CM: - state = S_one_CM_even_C4CM; - break; - } - break; - case S_one_CM_even_C4CM: /* CM C4 CM C4 CM */ - switch (GB18030_MAP[*p]) { - case C1: - case C2: - return (UChar *)(s - 0); /*|CM C4 CM C4|CM */ - case C4: - state = S_odd_C4CM; - break; - case CM: - state = S_even_CM_even_C4CM; - break; - } - break; - - case S_even_CM_odd_C4CM: /* CM CM C4 CM */ - switch (GB18030_MAP[*p]) { - case C1: - case C2: - case C4: - return (UChar *)(s - 0); /* |CM CM|C4|CM */ - case CM: - state = S_odd_CM_odd_C4CM; - break; - } - break; - case S_odd_CM_odd_C4CM: /* CM CM CM C4 CM */ - switch (GB18030_MAP[*p]) { - case C1: - case C2: - case C4: - return (UChar *)(s - 2); /* |CM CM|CM C4 CM */ - case CM: - state = S_even_CM_odd_C4CM; - break; - } - break; - - case S_even_CM_even_C4CM: /* CM CM C4 CM C4 CM */ - switch (GB18030_MAP[*p]) { - case C1: - case C2: - case C4: - return (UChar *)(s - 2); /* |CM CM|C4|CM C4 CM */ - case CM: - state = S_odd_CM_even_C4CM; - break; - } - break; - case S_odd_CM_even_C4CM: /* CM CM CM C4 CM C4 CM */ - switch (GB18030_MAP[*p]) { - case C1: - case C2: - case C4: - return (UChar *)(s - 0); /* |CM CM|CM C4 CM C4|CM */ - case CM: - state = S_even_CM_even_C4CM; - break; - } - break; - } - } - - DEBUG_GB18030(("state %d\n", state)); - switch (state) { - case S_START: return (UChar *)(s - 0); - case S_one_C2: return (UChar *)(s - 0); - case S_one_C4: return (UChar *)(s - 0); - case S_one_CM: return (UChar *)(s - 0); - - case S_odd_CM_one_CX: return (UChar *)(s - 1); - case S_even_CM_one_CX: return (UChar *)(s - 0); - - case S_one_CMC4: return (UChar *)(s - 1); - case S_odd_CMC4: return (UChar *)(s - 1); - case S_one_C4_odd_CMC4: return (UChar *)(s - 1); - case S_even_CMC4: return (UChar *)(s - 3); - case S_one_C4_even_CMC4: return (UChar *)(s - 3); - - case S_odd_CM_odd_CMC4: return (UChar *)(s - 3); - case S_even_CM_odd_CMC4: return (UChar *)(s - 1); - - case S_odd_CM_even_CMC4: return (UChar *)(s - 1); - case S_even_CM_even_CMC4: return (UChar *)(s - 3); - - case S_odd_C4CM: return (UChar *)(s - 0); - case S_one_CM_odd_C4CM: return (UChar *)(s - 2); - case S_even_C4CM: return (UChar *)(s - 2); - case S_one_CM_even_C4CM: return (UChar *)(s - 0); - - case S_even_CM_odd_C4CM: return (UChar *)(s - 0); - case S_odd_CM_odd_C4CM: return (UChar *)(s - 2); - case S_even_CM_even_C4CM: return (UChar *)(s - 2); - case S_odd_CM_even_C4CM: return (UChar *)(s - 0); - } - - return (UChar* )s; /* never come here. (escape warning) */ -} - -static int -gb18030_is_allowed_reverse_match(const UChar* s, const UChar* end ARG_UNUSED) -{ - return GB18030_MAP[*s] == C1 ? TRUE : FALSE; -} - -OnigEncodingType OnigEncodingGB18030 = { - gb18030_mbc_enc_len, - "GB18030", /* name */ - 4, /* max enc length */ - 1, /* min enc length */ - onigenc_is_mbc_newline_0x0a, - gb18030_mbc_to_code, - onigenc_mb4_code_to_mbclen, - gb18030_code_to_mbc, - gb18030_mbc_case_fold, - onigenc_ascii_apply_all_case_fold, - onigenc_ascii_get_case_fold_codes_by_str, - onigenc_minimum_property_name_to_ctype, - gb18030_is_code_ctype, - onigenc_not_support_get_ctype_code_range, - gb18030_left_adjust_char_head, - gb18030_is_allowed_reverse_match -}; -- cgit v1.2.3