ruby-changes:3818
From: ko1@a...
Date: Tue, 29 Jan 2008 12:55:56 +0900 (JST)
Subject: [ruby-changes:3818] naruse - Ruby:r15307 (trunk): * enc/gbk.c: add GBK, CP936 and CP949.
naruse 2008-01-29 12:55:45 +0900 (Tue, 29 Jan 2008)
New Revision: 15307
Added files:
trunk/enc/gbk.c
Log:
* enc/gbk.c: add GBK, CP936 and CP949.
http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/enc/gbk.c?revision=15307&view=markup
http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/enc/gbk.c?r1=15307&r2=15306&diff_format=u
Index: enc/gbk.c
===================================================================
--- enc/gbk.c (revision 0)
+++ enc/gbk.c (revision 15307)
@@ -0,0 +1,192 @@
+/**********************************************************************
+ gbk.c - Oniguruma (regular expression library)
+**********************************************************************/
+/*-
+ * Copyright (c) 2002-2007 K.Kosako <sndgk393 AT ybb DOT ne DOT jp>
+ * 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"
+
+static const int EncLen_gbk[] = {
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1
+};
+
+typedef enum { FAILURE = -2, ACCEPT = -1, S0 = 0, S1 } state_t;
+#define A ACCEPT
+#define F FAILURE
+static const signed char trans[][0x100] = {
+ { /* S0 0 1 2 3 4 5 6 7 8 9 a b c d e f */
+ /* 0 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
+ /* 1 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
+ /* 2 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
+ /* 3 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
+ /* 4 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
+ /* 5 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
+ /* 6 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
+ /* 7 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
+ /* 8 */ A, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ /* 9 */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ /* a */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ /* b */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ /* c */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ /* d */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ /* e */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ /* f */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, F
+ },
+ { /* S1 0 1 2 3 4 5 6 7 8 9 a b c d e f */
+ /* 0 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F,
+ /* 1 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F,
+ /* 2 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F,
+ /* 3 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F,
+ /* 4 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
+ /* 5 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
+ /* 6 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
+ /* 7 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, F,
+ /* 8 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
+ /* 9 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
+ /* a */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
+ /* b */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
+ /* c */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
+ /* d */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
+ /* e */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
+ /* f */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, F
+ }
+};
+#undef A
+#undef F
+
+static int
+gbk_mbc_enc_len(const UChar* p, const UChar* e, OnigEncoding enc ARG_UNUSED)
+{
+ int firstbyte = *p++;
+ state_t s = trans[0][firstbyte];
+#define RETURN(n) \
+ return s == ACCEPT ? ONIGENC_CONSTRUCT_MBCLEN_CHARFOUND(n) : \
+ ONIGENC_CONSTRUCT_MBCLEN_INVALID()
+ if (s < 0) RETURN(1);
+ if (p == e) return ONIGENC_CONSTRUCT_MBCLEN_NEEDMORE(EncLen_gbk[firstbyte]-1);
+ s = trans[s][*p++];
+ RETURN(2);
+#undef RETURN
+}
+
+static OnigCodePoint
+gbk_mbc_to_code(const UChar* p, const UChar* end, OnigEncoding enc)
+{
+ return onigenc_mbn_mbc_to_code(enc, p, end);
+}
+
+static int
+gbk_code_to_mbc(OnigCodePoint code, UChar *buf, OnigEncoding enc)
+{
+ return onigenc_mb2_code_to_mbc(enc, code, buf);
+}
+
+static int
+gbk_mbc_case_fold(OnigCaseFoldType flag, const UChar** pp, const UChar* end,
+ UChar* lower, OnigEncoding enc)
+{
+ return onigenc_mbn_mbc_case_fold(enc, flag,
+ pp, end, lower);
+}
+
+#if 0
+static int
+gbk_is_mbc_ambiguous(OnigCaseFoldType flag,
+ const UChar** pp, const UChar* end, OnigEncoding enc)
+{
+ return onigenc_mbn_is_mbc_ambiguous(enc, flag, pp, end);
+}
+#endif
+
+static int
+gbk_is_code_ctype(OnigCodePoint code, unsigned int ctype, OnigEncoding enc)
+{
+ return onigenc_mb2_is_code_ctype(enc, code, ctype);
+}
+
+#define gbk_islead(c) ((c) < 0xa1 || (c) == 0xff)
+
+static UChar*
+gbk_left_adjust_char_head(const UChar* start, const UChar* s, OnigEncoding enc)
+{
+ /* Assumed in this encoding,
+ mb-trail bytes don't mix with single bytes.
+ */
+ const UChar *p;
+ int len;
+
+ if (s <= start) return (UChar* )s;
+ p = s;
+
+ while (!gbk_islead(*p) && p > start) p--;
+ len = enclen(enc, p, s);
+ if (p + len > s) return (UChar* )p;
+ p += len;
+ return (UChar* )(p + ((s - p) & ~1));
+}
+
+static int
+gbk_is_allowed_reverse_match(const UChar* s, const UChar* end ARG_UNUSED, OnigEncoding enc ARG_UNUSED)
+{
+ const UChar c = *s;
+ if (c <= 0x7e) return TRUE;
+ else return FALSE;
+}
+
+OnigEncodingDefine(gbk, gbk) = {
+ gbk_mbc_enc_len,
+ "GBK", /* name */
+ 2, /* max enc length */
+ 1, /* min enc length */
+ onigenc_is_mbc_newline_0x0a,
+ gbk_mbc_to_code,
+ onigenc_mb2_code_to_mbclen,
+ gbk_code_to_mbc,
+ gbk_mbc_case_fold,
+ onigenc_ascii_apply_all_case_fold,
+ onigenc_ascii_get_case_fold_codes_by_str,
+ onigenc_minimum_property_name_to_ctype,
+ gbk_is_code_ctype,
+ onigenc_not_support_get_ctype_code_range,
+ gbk_left_adjust_char_head,
+ gbk_is_allowed_reverse_match
+};
+ENC_ALIAS("CP936", "GBK");
+ENC_REPLICATE("CP949", "GBK");
Property changes on: enc/gbk.c
___________________________________________________________________
Name: svn:eol-style
+ LF
Name: svn:keywords
+ Authors Id Revision
--
ML: ruby-changes@q...
Info: http://www.atdot.net/~ko1/quickml/