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authornobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2007-12-20 06:47:14 +0000
committernobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2007-12-20 06:47:14 +0000
commite42fac7c061283180cbc630bd930ef16f5074d33 (patch)
tree167dc86084d66099baadaacf342e13f460a990f5 /enc/iso_8859_2.c
parent27fbeb3c4e8803d89fa1d765d7b1fdb49dddece2 (diff)
* enc/iso_8859_{1..16}.c: renamed.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@14355 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'enc/iso_8859_2.c')
-rw-r--r--enc/iso_8859_2.c239
1 files changed, 239 insertions, 0 deletions
diff --git a/enc/iso_8859_2.c b/enc/iso_8859_2.c
new file mode 100644
index 0000000..e12962a
--- /dev/null
+++ b/enc/iso_8859_2.c
@@ -0,0 +1,239 @@
+/**********************************************************************
+ iso8859_2.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"
+
+#define ENC_ISO_8859_2_TO_LOWER_CASE(c) EncISO_8859_2_ToLowerCaseTable[c]
+#define ENC_IS_ISO_8859_2_CTYPE(code,ctype) \
+ ((EncISO_8859_2_CtypeTable[code] & CTYPE_TO_BIT(ctype)) != 0)
+
+static const UChar EncISO_8859_2_ToLowerCaseTable[256] = {
+ '\000', '\001', '\002', '\003', '\004', '\005', '\006', '\007',
+ '\010', '\011', '\012', '\013', '\014', '\015', '\016', '\017',
+ '\020', '\021', '\022', '\023', '\024', '\025', '\026', '\027',
+ '\030', '\031', '\032', '\033', '\034', '\035', '\036', '\037',
+ '\040', '\041', '\042', '\043', '\044', '\045', '\046', '\047',
+ '\050', '\051', '\052', '\053', '\054', '\055', '\056', '\057',
+ '\060', '\061', '\062', '\063', '\064', '\065', '\066', '\067',
+ '\070', '\071', '\072', '\073', '\074', '\075', '\076', '\077',
+ '\100', '\141', '\142', '\143', '\144', '\145', '\146', '\147',
+ '\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157',
+ '\160', '\161', '\162', '\163', '\164', '\165', '\166', '\167',
+ '\170', '\171', '\172', '\133', '\134', '\135', '\136', '\137',
+ '\140', '\141', '\142', '\143', '\144', '\145', '\146', '\147',
+ '\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157',
+ '\160', '\161', '\162', '\163', '\164', '\165', '\166', '\167',
+ '\170', '\171', '\172', '\173', '\174', '\175', '\176', '\177',
+ '\200', '\201', '\202', '\203', '\204', '\205', '\206', '\207',
+ '\210', '\211', '\212', '\213', '\214', '\215', '\216', '\217',
+ '\220', '\221', '\222', '\223', '\224', '\225', '\226', '\227',
+ '\230', '\231', '\232', '\233', '\234', '\235', '\236', '\237',
+ '\240', '\261', '\242', '\263', '\244', '\265', '\266', '\247',
+ '\250', '\271', '\272', '\273', '\274', '\255', '\276', '\277',
+ '\260', '\261', '\262', '\263', '\264', '\265', '\266', '\267',
+ '\270', '\271', '\272', '\273', '\274', '\275', '\276', '\277',
+ '\340', '\341', '\342', '\343', '\344', '\345', '\346', '\347',
+ '\350', '\351', '\352', '\353', '\354', '\355', '\356', '\357',
+ '\360', '\361', '\362', '\363', '\364', '\365', '\366', '\327',
+ '\370', '\371', '\372', '\373', '\374', '\375', '\376', '\337',
+ '\340', '\341', '\342', '\343', '\344', '\345', '\346', '\347',
+ '\350', '\351', '\352', '\353', '\354', '\355', '\356', '\357',
+ '\360', '\361', '\362', '\363', '\364', '\365', '\366', '\367',
+ '\370', '\371', '\372', '\373', '\374', '\375', '\376', '\377'
+};
+
+static const unsigned short EncISO_8859_2_CtypeTable[256] = {
+ 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008,
+ 0x4008, 0x420c, 0x4209, 0x4208, 0x4208, 0x4208, 0x4008, 0x4008,
+ 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008,
+ 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008,
+ 0x4284, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0,
+ 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0,
+ 0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0,
+ 0x78b0, 0x78b0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0,
+ 0x41a0, 0x7ca2, 0x7ca2, 0x7ca2, 0x7ca2, 0x7ca2, 0x7ca2, 0x74a2,
+ 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2,
+ 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2,
+ 0x74a2, 0x74a2, 0x74a2, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x51a0,
+ 0x41a0, 0x78e2, 0x78e2, 0x78e2, 0x78e2, 0x78e2, 0x78e2, 0x70e2,
+ 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2,
+ 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2,
+ 0x70e2, 0x70e2, 0x70e2, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x4008,
+ 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008,
+ 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008,
+ 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008,
+ 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008,
+ 0x0284, 0x34a2, 0x00a0, 0x34a2, 0x00a0, 0x34a2, 0x34a2, 0x00a0,
+ 0x00a0, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x01a0, 0x34a2, 0x34a2,
+ 0x00a0, 0x30e2, 0x00a0, 0x30e2, 0x00a0, 0x30e2, 0x30e2, 0x00a0,
+ 0x00a0, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x00a0, 0x30e2, 0x30e2,
+ 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2,
+ 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2,
+ 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x00a0,
+ 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x30e2,
+ 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2,
+ 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2,
+ 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x00a0,
+ 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x00a0
+};
+
+static int
+mbc_case_fold(OnigCaseFoldType flag,
+ const UChar** pp, const UChar* end, UChar* lower,
+ OnigEncoding enc)
+{
+ const UChar* p = *pp;
+
+ if (*p == 0xdf && (flag & INTERNAL_ONIGENC_CASE_FOLD_MULTI_CHAR) != 0) {
+ *lower++ = 's';
+ *lower = 's';
+ (*pp)++;
+ return 2;
+ }
+
+ *lower = ENC_ISO_8859_2_TO_LOWER_CASE(*p);
+ (*pp)++;
+ return 1; /* return byte length of converted char to lower */
+}
+
+#if 0
+static int
+is_mbc_ambiguous(OnigCaseFoldType flag, const UChar** pp, const UChar* end)
+{
+ int v;
+ const UChar* p = *pp;
+
+ if (*p == 0xdf && (flag & INTERNAL_ONIGENC_CASE_FOLD_MULTI_CHAR) != 0) {
+ (*pp)++;
+ return TRUE;
+ }
+
+ (*pp)++;
+ v = (EncISO_8859_2_CtypeTable[*p] & (BIT_CTYPE_UPPER | BIT_CTYPE_LOWER));
+ if ((v | BIT_CTYPE_LOWER) != 0) {
+ return TRUE;
+ }
+
+ return (v != 0 ? TRUE : FALSE);
+}
+#endif
+
+static const OnigPairCaseFoldCodes CaseFoldMap[] = {
+ { 0xa1, 0xb1 },
+ { 0xa3, 0xb3 },
+ { 0xa5, 0xb5 },
+ { 0xa6, 0xb6 },
+ { 0xa9, 0xb9 },
+ { 0xaa, 0xba },
+ { 0xab, 0xbb },
+ { 0xac, 0xbc },
+ { 0xae, 0xbe },
+ { 0xaf, 0xbf },
+
+ { 0xc0, 0xe0 },
+ { 0xc1, 0xe1 },
+ { 0xc2, 0xe2 },
+ { 0xc3, 0xe3 },
+ { 0xc4, 0xe4 },
+ { 0xc5, 0xe5 },
+ { 0xc6, 0xe6 },
+ { 0xc7, 0xe7 },
+ { 0xc8, 0xe8 },
+ { 0xc9, 0xe9 },
+ { 0xca, 0xea },
+ { 0xcb, 0xeb },
+ { 0xcc, 0xec },
+ { 0xcd, 0xed },
+ { 0xce, 0xee },
+ { 0xcf, 0xef },
+
+ { 0xd0, 0xf0 },
+ { 0xd1, 0xf1 },
+ { 0xd2, 0xf2 },
+ { 0xd3, 0xf3 },
+ { 0xd4, 0xf4 },
+ { 0xd5, 0xf5 },
+ { 0xd6, 0xf6 },
+ { 0xd8, 0xf8 },
+ { 0xd9, 0xf9 },
+ { 0xda, 0xfa },
+ { 0xdb, 0xfb },
+ { 0xdc, 0xfc },
+ { 0xdd, 0xfd },
+ { 0xde, 0xfe }
+};
+
+static int
+apply_all_case_fold(OnigCaseFoldType flag,
+ OnigApplyAllCaseFoldFunc f, void* arg,
+ OnigEncoding enc)
+{
+ return onigenc_apply_all_case_fold_with_map(
+ sizeof(CaseFoldMap)/sizeof(OnigPairCaseFoldCodes), CaseFoldMap, 1,
+ flag, f, arg);
+}
+
+static int
+get_case_fold_codes_by_str(OnigCaseFoldType flag,
+ const OnigUChar* p, const OnigUChar* end,
+ OnigCaseFoldCodeItem items[],
+ OnigEncoding enc)
+{
+ return onigenc_get_case_fold_codes_by_str_with_map(
+ sizeof(CaseFoldMap)/sizeof(OnigPairCaseFoldCodes), CaseFoldMap, 1,
+ flag, p, end, items);
+}
+
+static int
+is_code_ctype(OnigCodePoint code, unsigned int ctype, OnigEncoding enc)
+{
+ if (code < 256)
+ return ENC_IS_ISO_8859_2_CTYPE(code, ctype);
+ else
+ return FALSE;
+}
+
+OnigEncodingType OnigEncodingISO_8859_2 = {
+ onigenc_single_byte_mbc_enc_len,
+ "ISO-8859-2", /* name */
+ 1, /* max enc length */
+ 1, /* min enc length */
+ onigenc_is_mbc_newline_0x0a,
+ onigenc_single_byte_mbc_to_code,
+ onigenc_single_byte_code_to_mbclen,
+ onigenc_single_byte_code_to_mbc,
+ mbc_case_fold,
+ apply_all_case_fold,
+ get_case_fold_codes_by_str,
+ onigenc_minimum_property_name_to_ctype,
+ is_code_ctype,
+ onigenc_not_support_get_ctype_code_range,
+ onigenc_single_byte_left_adjust_char_head,
+ onigenc_always_true_is_allowed_reverse_match
+};