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-rw-r--r--src/regenc.c876
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diff --git a/src/regenc.c b/src/regenc.c
new file mode 100644
index 0000000..01bfd1d
--- /dev/null
+++ b/src/regenc.c
@@ -0,0 +1,876 @@
+/**********************************************************************
+ regenc.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 "regint.h"
+
+OnigEncoding OnigEncDefaultCharEncoding = ONIG_ENCODING_INIT_DEFAULT;
+
+extern int
+onigenc_init(void)
+{
+ return 0;
+}
+
+extern int
+onig_initialize_encoding(OnigEncoding enc)
+{
+ if (enc->init != 0 && (enc->is_initialized() == 0)) {
+ int r = (enc->init)();
+ return r;
+ }
+
+ return 0;
+}
+
+extern OnigEncoding
+onigenc_get_default_encoding(void)
+{
+ return OnigEncDefaultCharEncoding;
+}
+
+extern int
+onigenc_set_default_encoding(OnigEncoding enc)
+{
+ OnigEncDefaultCharEncoding = enc;
+ return 0;
+}
+
+extern UChar*
+onigenc_get_right_adjust_char_head(OnigEncoding enc, const UChar* start, const UChar* s)
+{
+ UChar* p = ONIGENC_LEFT_ADJUST_CHAR_HEAD(enc, start, s);
+ if (p < s) {
+ p += enclen(enc, p);
+ }
+ return p;
+}
+
+extern UChar*
+onigenc_get_right_adjust_char_head_with_prev(OnigEncoding enc,
+ const UChar* start, const UChar* s, const UChar** prev)
+{
+ UChar* p = ONIGENC_LEFT_ADJUST_CHAR_HEAD(enc, start, s);
+
+ if (p < s) {
+ if (prev) *prev = (const UChar* )p;
+ p += enclen(enc, p);
+ }
+ else {
+ if (prev) *prev = (const UChar* )NULL; /* Sorry */
+ }
+ return p;
+}
+
+extern UChar*
+onigenc_get_prev_char_head(OnigEncoding enc, const UChar* start, const UChar* s)
+{
+ if (s <= start)
+ return (UChar* )NULL;
+
+ return ONIGENC_LEFT_ADJUST_CHAR_HEAD(enc, start, s - 1);
+}
+
+extern UChar*
+onigenc_step_back(OnigEncoding enc, const UChar* start, const UChar* s, int n)
+{
+ while (ONIG_IS_NOT_NULL(s) && n-- > 0) {
+ if (s <= start)
+ return (UChar* )NULL;
+
+ s = ONIGENC_LEFT_ADJUST_CHAR_HEAD(enc, start, s - 1);
+ }
+ return (UChar* )s;
+}
+
+extern UChar*
+onigenc_step(OnigEncoding enc, const UChar* p, const UChar* end, int n)
+{
+ UChar* q = (UChar* )p;
+ while (n-- > 0) {
+ q += ONIGENC_MBC_ENC_LEN(enc, q);
+ }
+ return (q <= end ? q : NULL);
+}
+
+extern int
+onigenc_strlen(OnigEncoding enc, const UChar* p, const UChar* end)
+{
+ int n = 0;
+ UChar* q = (UChar* )p;
+
+ while (q < end) {
+ q += ONIGENC_MBC_ENC_LEN(enc, q);
+ n++;
+ }
+ return n;
+}
+
+extern int
+onigenc_strlen_null(OnigEncoding enc, const UChar* s)
+{
+ int n = 0;
+ UChar* p = (UChar* )s;
+
+ while (1) {
+ if (*p == '\0') {
+ UChar* q;
+ int len = ONIGENC_MBC_MINLEN(enc);
+
+ if (len == 1) return n;
+ q = p + 1;
+ while (len > 1) {
+ if (*q != '\0') break;
+ q++;
+ len--;
+ }
+ if (len == 1) return n;
+ }
+ p += ONIGENC_MBC_ENC_LEN(enc, p);
+ n++;
+ }
+}
+
+extern int
+onigenc_str_bytelen_null(OnigEncoding enc, const UChar* s)
+{
+ UChar* start = (UChar* )s;
+ UChar* p = (UChar* )s;
+
+ while (1) {
+ if (*p == '\0') {
+ UChar* q;
+ int len = ONIGENC_MBC_MINLEN(enc);
+
+ if (len == 1) return (int )(p - start);
+ q = p + 1;
+ while (len > 1) {
+ if (*q != '\0') break;
+ q++;
+ len--;
+ }
+ if (len == 1) return (int )(p - start);
+ }
+ p += ONIGENC_MBC_ENC_LEN(enc, p);
+ }
+}
+
+const UChar OnigEncAsciiToLowerCaseTable[] = {
+ '\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', '\241', '\242', '\243', '\244', '\245', '\246', '\247',
+ '\250', '\251', '\252', '\253', '\254', '\255', '\256', '\257',
+ '\260', '\261', '\262', '\263', '\264', '\265', '\266', '\267',
+ '\270', '\271', '\272', '\273', '\274', '\275', '\276', '\277',
+ '\300', '\301', '\302', '\303', '\304', '\305', '\306', '\307',
+ '\310', '\311', '\312', '\313', '\314', '\315', '\316', '\317',
+ '\320', '\321', '\322', '\323', '\324', '\325', '\326', '\327',
+ '\330', '\331', '\332', '\333', '\334', '\335', '\336', '\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',
+};
+
+#ifdef USE_UPPER_CASE_TABLE
+const UChar OnigEncAsciiToUpperCaseTable[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', '\101', '\102', '\103', '\104', '\105', '\106', '\107',
+ '\110', '\111', '\112', '\113', '\114', '\115', '\116', '\117',
+ '\120', '\121', '\122', '\123', '\124', '\125', '\126', '\127',
+ '\130', '\131', '\132', '\133', '\134', '\135', '\136', '\137',
+ '\140', '\101', '\102', '\103', '\104', '\105', '\106', '\107',
+ '\110', '\111', '\112', '\113', '\114', '\115', '\116', '\117',
+ '\120', '\121', '\122', '\123', '\124', '\125', '\126', '\127',
+ '\130', '\131', '\132', '\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', '\241', '\242', '\243', '\244', '\245', '\246', '\247',
+ '\250', '\251', '\252', '\253', '\254', '\255', '\256', '\257',
+ '\260', '\261', '\262', '\263', '\264', '\265', '\266', '\267',
+ '\270', '\271', '\272', '\273', '\274', '\275', '\276', '\277',
+ '\300', '\301', '\302', '\303', '\304', '\305', '\306', '\307',
+ '\310', '\311', '\312', '\313', '\314', '\315', '\316', '\317',
+ '\320', '\321', '\322', '\323', '\324', '\325', '\326', '\327',
+ '\330', '\331', '\332', '\333', '\334', '\335', '\336', '\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',
+};
+#endif
+
+const unsigned short OnigEncAsciiCtypeTable[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,
+ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
+};
+
+const UChar OnigEncISO_8859_1_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', '\241', '\242', '\243', '\244', '\245', '\246', '\247',
+ '\250', '\251', '\252', '\253', '\254', '\255', '\256', '\257',
+ '\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'
+};
+
+#ifdef USE_UPPER_CASE_TABLE
+const UChar OnigEncISO_8859_1_ToUpperCaseTable[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', '\101', '\102', '\103', '\104', '\105', '\106', '\107',
+ '\110', '\111', '\112', '\113', '\114', '\115', '\116', '\117',
+ '\120', '\121', '\122', '\123', '\124', '\125', '\126', '\127',
+ '\130', '\131', '\132', '\133', '\134', '\135', '\136', '\137',
+ '\140', '\101', '\102', '\103', '\104', '\105', '\106', '\107',
+ '\110', '\111', '\112', '\113', '\114', '\115', '\116', '\117',
+ '\120', '\121', '\122', '\123', '\124', '\125', '\126', '\127',
+ '\130', '\131', '\132', '\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', '\241', '\242', '\243', '\244', '\245', '\246', '\247',
+ '\250', '\251', '\252', '\253', '\254', '\255', '\256', '\257',
+ '\260', '\261', '\262', '\263', '\264', '\265', '\266', '\267',
+ '\270', '\271', '\272', '\273', '\274', '\275', '\276', '\277',
+ '\300', '\301', '\302', '\303', '\304', '\305', '\306', '\307',
+ '\310', '\311', '\312', '\313', '\314', '\315', '\316', '\317',
+ '\320', '\321', '\322', '\323', '\324', '\325', '\326', '\327',
+ '\330', '\331', '\332', '\333', '\334', '\335', '\336', '\337',
+ '\300', '\301', '\302', '\303', '\304', '\305', '\306', '\307',
+ '\310', '\311', '\312', '\313', '\314', '\315', '\316', '\317',
+ '\320', '\321', '\322', '\323', '\324', '\325', '\326', '\367',
+ '\330', '\331', '\332', '\333', '\334', '\335', '\336', '\377',
+};
+#endif
+
+extern void
+onigenc_set_default_caseconv_table(const UChar* table ARG_UNUSED)
+{
+ /* nothing */
+ /* obsoleted. */
+}
+
+extern UChar*
+onigenc_get_left_adjust_char_head(OnigEncoding enc, const UChar* start, const UChar* s)
+{
+ return ONIGENC_LEFT_ADJUST_CHAR_HEAD(enc, start, s);
+}
+
+const OnigPairCaseFoldCodes OnigAsciiLowerMap[] = {
+ { 0x41, 0x61 },
+ { 0x42, 0x62 },
+ { 0x43, 0x63 },
+ { 0x44, 0x64 },
+ { 0x45, 0x65 },
+ { 0x46, 0x66 },
+ { 0x47, 0x67 },
+ { 0x48, 0x68 },
+ { 0x49, 0x69 },
+ { 0x4a, 0x6a },
+ { 0x4b, 0x6b },
+ { 0x4c, 0x6c },
+ { 0x4d, 0x6d },
+ { 0x4e, 0x6e },
+ { 0x4f, 0x6f },
+ { 0x50, 0x70 },
+ { 0x51, 0x71 },
+ { 0x52, 0x72 },
+ { 0x53, 0x73 },
+ { 0x54, 0x74 },
+ { 0x55, 0x75 },
+ { 0x56, 0x76 },
+ { 0x57, 0x77 },
+ { 0x58, 0x78 },
+ { 0x59, 0x79 },
+ { 0x5a, 0x7a }
+};
+
+extern int
+onigenc_ascii_apply_all_case_fold(OnigCaseFoldType flag ARG_UNUSED,
+ OnigApplyAllCaseFoldFunc f, void* arg)
+{
+ OnigCodePoint code;
+ int i, r;
+
+ for (i = 0;
+ i < (int )(sizeof(OnigAsciiLowerMap)/sizeof(OnigPairCaseFoldCodes));
+ i++) {
+ code = OnigAsciiLowerMap[i].to;
+ r = (*f)(OnigAsciiLowerMap[i].from, &code, 1, arg);
+ if (r != 0) return r;
+
+ code = OnigAsciiLowerMap[i].from;
+ r = (*f)(OnigAsciiLowerMap[i].to, &code, 1, arg);
+ if (r != 0) return r;
+ }
+
+ return 0;
+}
+
+extern int
+onigenc_ascii_get_case_fold_codes_by_str(OnigCaseFoldType flag ARG_UNUSED,
+ const OnigUChar* p, const OnigUChar* end ARG_UNUSED,
+ OnigCaseFoldCodeItem items[])
+{
+ if (0x41 <= *p && *p <= 0x5a) {
+ items[0].byte_len = 1;
+ items[0].code_len = 1;
+ items[0].code[0] = (OnigCodePoint )(*p + 0x20);
+ return 1;
+ }
+ else if (0x61 <= *p && *p <= 0x7a) {
+ items[0].byte_len = 1;
+ items[0].code_len = 1;
+ items[0].code[0] = (OnigCodePoint )(*p - 0x20);
+ return 1;
+ }
+ else
+ return 0;
+}
+
+static int
+ss_apply_all_case_fold(OnigCaseFoldType flag ARG_UNUSED,
+ OnigApplyAllCaseFoldFunc f, void* arg)
+{
+ static OnigCodePoint ss[] = { 0x73, 0x73 };
+
+ return (*f)((OnigCodePoint )0xdf, ss, 2, arg);
+}
+
+extern int
+onigenc_apply_all_case_fold_with_map(int map_size,
+ const OnigPairCaseFoldCodes map[],
+ int ess_tsett_flag, OnigCaseFoldType flag,
+ OnigApplyAllCaseFoldFunc f, void* arg)
+{
+ OnigCodePoint code;
+ int i, r;
+
+ r = onigenc_ascii_apply_all_case_fold(flag, f, arg);
+ if (r != 0) return r;
+
+ for (i = 0; i < map_size; i++) {
+ code = map[i].to;
+ r = (*f)(map[i].from, &code, 1, arg);
+ if (r != 0) return r;
+
+ code = map[i].from;
+ r = (*f)(map[i].to, &code, 1, arg);
+ if (r != 0) return r;
+ }
+
+ if (ess_tsett_flag != 0)
+ return ss_apply_all_case_fold(flag, f, arg);
+
+ return 0;
+}
+
+extern int
+onigenc_get_case_fold_codes_by_str_with_map(int map_size,
+ const OnigPairCaseFoldCodes map[],
+ int ess_tsett_flag, OnigCaseFoldType flag ARG_UNUSED,
+ const OnigUChar* p, const OnigUChar* end, OnigCaseFoldCodeItem items[])
+{
+ if (0x41 <= *p && *p <= 0x5a) {
+ items[0].byte_len = 1;
+ items[0].code_len = 1;
+ items[0].code[0] = (OnigCodePoint )(*p + 0x20);
+ if (*p == 0x53 && ess_tsett_flag != 0 && end > p + 1
+ && (*(p+1) == 0x53 || *(p+1) == 0x73)) {
+ /* SS */
+ items[1].byte_len = 2;
+ items[1].code_len = 1;
+ items[1].code[0] = (OnigCodePoint )0xdf;
+ return 2;
+ }
+ else
+ return 1;
+ }
+ else if (0x61 <= *p && *p <= 0x7a) {
+ items[0].byte_len = 1;
+ items[0].code_len = 1;
+ items[0].code[0] = (OnigCodePoint )(*p - 0x20);
+ if (*p == 0x73 && ess_tsett_flag != 0 && end > p + 1
+ && (*(p+1) == 0x73 || *(p+1) == 0x53)) {
+ /* ss */
+ items[1].byte_len = 2;
+ items[1].code_len = 1;
+ items[1].code[0] = (OnigCodePoint )0xdf;
+ return 2;
+ }
+ else
+ return 1;
+ }
+ else if (*p == 0xdf && ess_tsett_flag != 0) {
+ items[0].byte_len = 1;
+ items[0].code_len = 2;
+ items[0].code[0] = (OnigCodePoint )'s';
+ items[0].code[1] = (OnigCodePoint )'s';
+
+ items[1].byte_len = 1;
+ items[1].code_len = 2;
+ items[1].code[0] = (OnigCodePoint )'S';
+ items[1].code[1] = (OnigCodePoint )'S';
+
+ items[2].byte_len = 1;
+ items[2].code_len = 2;
+ items[2].code[0] = (OnigCodePoint )'s';
+ items[2].code[1] = (OnigCodePoint )'S';
+
+ items[3].byte_len = 1;
+ items[3].code_len = 2;
+ items[3].code[0] = (OnigCodePoint )'S';
+ items[3].code[1] = (OnigCodePoint )'s';
+
+ return 4;
+ }
+ else {
+ int i;
+
+ for (i = 0; i < map_size; i++) {
+ if (*p == map[i].from) {
+ items[0].byte_len = 1;
+ items[0].code_len = 1;
+ items[0].code[0] = map[i].to;
+ return 1;
+ }
+ else if (*p == map[i].to) {
+ items[0].byte_len = 1;
+ items[0].code_len = 1;
+ items[0].code[0] = map[i].from;
+ return 1;
+ }
+ }
+ }
+
+ return 0;
+}
+
+
+extern int
+onigenc_not_support_get_ctype_code_range(OnigCtype ctype ARG_UNUSED,
+ OnigCodePoint* sb_out ARG_UNUSED,
+ const OnigCodePoint* ranges[] ARG_UNUSED)
+{
+ return ONIG_NO_SUPPORT_CONFIG;
+}
+
+extern int
+onigenc_is_mbc_newline_0x0a(const UChar* p, const UChar* end)
+{
+ if (p < end) {
+ if (*p == 0x0a) return 1;
+ }
+ return 0;
+}
+
+/* for single byte encodings */
+extern int
+onigenc_ascii_mbc_case_fold(OnigCaseFoldType flag ARG_UNUSED, const UChar** p,
+ const UChar*end ARG_UNUSED, UChar* lower)
+{
+ *lower = ONIGENC_ASCII_CODE_TO_LOWER_CASE(**p);
+
+ (*p)++;
+ return 1; /* return byte length of converted char to lower */
+}
+
+#if 0
+extern int
+onigenc_ascii_is_mbc_ambiguous(OnigCaseFoldType flag,
+ const UChar** pp, const UChar* end)
+{
+ const UChar* p = *pp;
+
+ (*pp)++;
+ return ONIGENC_IS_ASCII_CODE_CASE_AMBIG(*p);
+}
+#endif
+
+extern int
+onigenc_single_byte_mbc_enc_len(const UChar* p ARG_UNUSED)
+{
+ return 1;
+}
+
+extern OnigCodePoint
+onigenc_single_byte_mbc_to_code(const UChar* p, const UChar* end ARG_UNUSED)
+{
+ return (OnigCodePoint )(*p);
+}
+
+extern int
+onigenc_single_byte_code_to_mbclen(OnigCodePoint code ARG_UNUSED)
+{
+ return (code < 0x100 ? 1 : ONIGERR_INVALID_CODE_POINT_VALUE);
+}
+
+extern int
+onigenc_single_byte_code_to_mbc(OnigCodePoint code, UChar *buf)
+{
+ *buf = (UChar )(code & 0xff);
+ return 1;
+}
+
+extern UChar*
+onigenc_single_byte_left_adjust_char_head(const UChar* start ARG_UNUSED,
+ const UChar* s)
+{
+ return (UChar* )s;
+}
+
+extern int
+onigenc_always_true_is_allowed_reverse_match(const UChar* s ARG_UNUSED,
+ const UChar* end ARG_UNUSED)
+{
+ return TRUE;
+}
+
+extern int
+onigenc_always_false_is_allowed_reverse_match(const UChar* s ARG_UNUSED,
+ const UChar* end ARG_UNUSED)
+{
+ return FALSE;
+}
+
+extern OnigCodePoint
+onigenc_mbn_mbc_to_code(OnigEncoding enc, const UChar* p, const UChar* end)
+{
+ int c, i, len;
+ OnigCodePoint n;
+
+ len = enclen(enc, p);
+ n = (OnigCodePoint )(*p++);
+ if (len == 1) return n;
+
+ for (i = 1; i < len; i++) {
+ if (p >= end) break;
+ c = *p++;
+ n <<= 8; n += c;
+ }
+ return n;
+}
+
+extern int
+onigenc_mbn_mbc_case_fold(OnigEncoding enc, OnigCaseFoldType flag ARG_UNUSED,
+ const UChar** pp, const UChar* end ARG_UNUSED,
+ UChar* lower)
+{
+ int len;
+ const UChar *p = *pp;
+
+ if (ONIGENC_IS_MBC_ASCII(p)) {
+ *lower = ONIGENC_ASCII_CODE_TO_LOWER_CASE(*p);
+ (*pp)++;
+ return 1;
+ }
+ else {
+ int i;
+
+ len = enclen(enc, p);
+ for (i = 0; i < len; i++) {
+ *lower++ = *p++;
+ }
+ (*pp) += len;
+ return len; /* return byte length of converted to lower char */
+ }
+}
+
+#if 0
+extern int
+onigenc_mbn_is_mbc_ambiguous(OnigEncoding enc, OnigCaseFoldType flag,
+ const UChar** pp, const UChar* end)
+{
+ const UChar* p = *pp;
+
+ if (ONIGENC_IS_MBC_ASCII(p)) {
+ (*pp)++;
+ return ONIGENC_IS_ASCII_CODE_CASE_AMBIG(*p);
+ }
+
+ (*pp) += enclen(enc, p);
+ return FALSE;
+}
+#endif
+
+extern int
+onigenc_mb2_code_to_mbclen(OnigCodePoint code)
+{
+ if ((code & 0xff00) != 0) return 2;
+ else return 1;
+}
+
+extern int
+onigenc_mb4_code_to_mbclen(OnigCodePoint code)
+{
+ if ((code & 0xff000000) != 0) return 4;
+ else if ((code & 0xff0000) != 0) return 3;
+ else if ((code & 0xff00) != 0) return 2;
+ else return 1;
+}
+
+extern int
+onigenc_mb2_code_to_mbc(OnigEncoding enc, OnigCodePoint code, UChar *buf)
+{
+ UChar *p = buf;
+
+ if ((code & 0xff00) != 0) {
+ *p++ = (UChar )((code >> 8) & 0xff);
+ }
+ *p++ = (UChar )(code & 0xff);
+
+#if 1
+ if (enclen(enc, buf) != (p - buf))
+ return ONIGERR_INVALID_CODE_POINT_VALUE;
+#endif
+ return p - buf;
+}
+
+extern int
+onigenc_mb4_code_to_mbc(OnigEncoding enc, OnigCodePoint code, UChar *buf)
+{
+ UChar *p = buf;
+
+ if ((code & 0xff000000) != 0) {
+ *p++ = (UChar )((code >> 24) & 0xff);
+ }
+ if ((code & 0xff0000) != 0 || p != buf) {
+ *p++ = (UChar )((code >> 16) & 0xff);
+ }
+ if ((code & 0xff00) != 0 || p != buf) {
+ *p++ = (UChar )((code >> 8) & 0xff);
+ }
+ *p++ = (UChar )(code & 0xff);
+
+#if 1
+ if (enclen(enc, buf) != (p - buf))
+ return ONIGERR_INVALID_CODE_POINT_VALUE;
+#endif
+ return p - buf;
+}
+
+extern int
+onigenc_minimum_property_name_to_ctype(OnigEncoding enc, UChar* p, UChar* end)
+{
+ static PosixBracketEntryType PBS[] = {
+ { (UChar* )"Alnum", ONIGENC_CTYPE_ALNUM, 5 },
+ { (UChar* )"Alpha", ONIGENC_CTYPE_ALPHA, 5 },
+ { (UChar* )"Blank", ONIGENC_CTYPE_BLANK, 5 },
+ { (UChar* )"Cntrl", ONIGENC_CTYPE_CNTRL, 5 },
+ { (UChar* )"Digit", ONIGENC_CTYPE_DIGIT, 5 },
+ { (UChar* )"Graph", ONIGENC_CTYPE_GRAPH, 5 },
+ { (UChar* )"Lower", ONIGENC_CTYPE_LOWER, 5 },
+ { (UChar* )"Print", ONIGENC_CTYPE_PRINT, 5 },
+ { (UChar* )"Punct", ONIGENC_CTYPE_PUNCT, 5 },
+ { (UChar* )"Space", ONIGENC_CTYPE_SPACE, 5 },
+ { (UChar* )"Upper", ONIGENC_CTYPE_UPPER, 5 },
+ { (UChar* )"XDigit", ONIGENC_CTYPE_XDIGIT, 6 },
+ { (UChar* )"ASCII", ONIGENC_CTYPE_ASCII, 5 },
+ { (UChar* )"Word", ONIGENC_CTYPE_WORD, 4 },
+ { (UChar* )NULL, -1, 0 }
+ };
+
+ PosixBracketEntryType *pb;
+ int len;
+
+ len = onigenc_strlen(enc, p, end);
+ for (pb = PBS; IS_NOT_NULL(pb->name); pb++) {
+ if (len == pb->len &&
+ onigenc_with_ascii_strncmp(enc, p, end, pb->name, pb->len) == 0)
+ return pb->ctype;
+ }
+
+ return ONIGERR_INVALID_CHAR_PROPERTY_NAME;
+}
+
+extern int
+onigenc_mb2_is_code_ctype(OnigEncoding enc, OnigCodePoint code,
+ unsigned int ctype)
+{
+ if (code < 128)
+ return ONIGENC_IS_ASCII_CODE_CTYPE(code, ctype);
+ else {
+ if (CTYPE_IS_WORD_GRAPH_PRINT(ctype)) {
+ return (ONIGENC_CODE_TO_MBCLEN(enc, code) > 1 ? TRUE : FALSE);
+ }
+ }
+
+ return FALSE;
+}
+
+extern int
+onigenc_mb4_is_code_ctype(OnigEncoding enc, OnigCodePoint code,
+ unsigned int ctype)
+{
+ if (code < 128)
+ return ONIGENC_IS_ASCII_CODE_CTYPE(code, ctype);
+ else {
+ if (CTYPE_IS_WORD_GRAPH_PRINT(ctype)) {
+ return (ONIGENC_CODE_TO_MBCLEN(enc, code) > 1 ? TRUE : FALSE);
+ }
+ }
+
+ return FALSE;
+}
+
+extern int
+onigenc_with_ascii_strncmp(OnigEncoding enc, const UChar* p, const UChar* end,
+ const UChar* sascii /* ascii */, int n)
+{
+ int x, c;
+
+ while (n-- > 0) {
+ if (p >= end) return (int )(*sascii);
+
+ c = (int )ONIGENC_MBC_TO_CODE(enc, p, end);
+ x = *sascii - c;
+ if (x) return x;
+
+ sascii++;
+ p += enclen(enc, p);
+ }
+ return 0;
+}
+
+extern int
+onig_codes_cmp(OnigCodePoint a[], OnigCodePoint b[], int n)
+{
+ int i;
+
+ for (i = 0; i < n; i++) {
+ if (a[i] != b[i])
+ return -1;
+ }
+
+ return 0;
+}
+
+extern int
+onig_codes_byte_at(OnigCodePoint codes[], int at)
+{
+ int index;
+ int b;
+ OnigCodePoint code;
+
+ index = at / 3;
+ b = at % 3;
+ code = codes[index];
+
+ return ((code >> ((2 - b) * 8)) & 0xff);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-31 23:02:01 +0000