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authorJörg Frings-Fürst <debian@jff-webhosting.net>2016-05-10 05:12:17 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2016-05-10 05:12:17 +0200
commit5e01a4852b31d537307994248869caf38b4023cc (patch)
tree769c60020afcb58437477f348dca58fb0c789f64 /src/regposix.c
parent766e109fd638ef1eac33717b52e04a351da46483 (diff)
Imported Upstream version 6.0.0upstream/6.0.0
Diffstat (limited to 'src/regposix.c')
-rw-r--r--src/regposix.c306
1 files changed, 306 insertions, 0 deletions
diff --git a/src/regposix.c b/src/regposix.c
new file mode 100644
index 0000000..bbe52dc
--- /dev/null
+++ b/src/regposix.c
@@ -0,0 +1,306 @@
+/**********************************************************************
+ regposix.c - Oniguruma (regular expression library)
+**********************************************************************/
+/*-
+ * Copyright (c) 2002-2008 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.
+ */
+
+#define regex_t onig_regex_t
+#include "regint.h"
+#undef regex_t
+#include "onigposix.h"
+
+#define ONIG_C(reg) ((onig_regex_t* )((reg)->onig))
+#define PONIG_C(reg) ((onig_regex_t** )(&(reg)->onig))
+
+/* #define ENC_STRING_LEN(enc,s,len) len = strlen(s) */
+#define ENC_STRING_LEN(enc,s,len) do { \
+ if (ONIGENC_MBC_MINLEN(enc) == 1) { \
+ UChar* tmps = (UChar* )(s); \
+ while (*tmps != 0) tmps++; \
+ len = tmps - (UChar* )(s); \
+ } \
+ else { \
+ len = onigenc_str_bytelen_null(enc, (UChar* )s); \
+ } \
+} while(0)
+
+typedef struct {
+ int onig_err;
+ int posix_err;
+} O2PERR;
+
+static int
+onig2posix_error_code(int code)
+{
+ static const O2PERR o2p[] = {
+ { ONIG_MISMATCH, REG_NOMATCH },
+ { ONIG_NO_SUPPORT_CONFIG, REG_EONIG_INTERNAL },
+ { ONIGERR_MEMORY, REG_ESPACE },
+ { ONIGERR_MATCH_STACK_LIMIT_OVER, REG_EONIG_INTERNAL },
+ { ONIGERR_TYPE_BUG, REG_EONIG_INTERNAL },
+ { ONIGERR_PARSER_BUG, REG_EONIG_INTERNAL },
+ { ONIGERR_STACK_BUG, REG_EONIG_INTERNAL },
+ { ONIGERR_UNDEFINED_BYTECODE, REG_EONIG_INTERNAL },
+ { ONIGERR_UNEXPECTED_BYTECODE, REG_EONIG_INTERNAL },
+ { ONIGERR_DEFAULT_ENCODING_IS_NOT_SETTED, REG_EONIG_BADARG },
+ { ONIGERR_SPECIFIED_ENCODING_CANT_CONVERT_TO_WIDE_CHAR, REG_EONIG_BADARG },
+ { ONIGERR_FAIL_TO_INITIALIZE, REG_EONIG_INTERNAL },
+ { ONIGERR_INVALID_ARGUMENT, REG_EONIG_BADARG },
+ { ONIGERR_END_PATTERN_AT_LEFT_BRACE, REG_EBRACE },
+ { ONIGERR_END_PATTERN_AT_LEFT_BRACKET, REG_EBRACK },
+ { ONIGERR_EMPTY_CHAR_CLASS, REG_ECTYPE },
+ { ONIGERR_PREMATURE_END_OF_CHAR_CLASS, REG_ECTYPE },
+ { ONIGERR_END_PATTERN_AT_ESCAPE, REG_EESCAPE },
+ { ONIGERR_END_PATTERN_AT_META, REG_EESCAPE },
+ { ONIGERR_END_PATTERN_AT_CONTROL, REG_EESCAPE },
+ { ONIGERR_META_CODE_SYNTAX, REG_BADPAT },
+ { ONIGERR_CONTROL_CODE_SYNTAX, REG_BADPAT },
+ { ONIGERR_CHAR_CLASS_VALUE_AT_END_OF_RANGE, REG_ECTYPE },
+ { ONIGERR_CHAR_CLASS_VALUE_AT_START_OF_RANGE, REG_ECTYPE },
+ { ONIGERR_UNMATCHED_RANGE_SPECIFIER_IN_CHAR_CLASS, REG_ECTYPE },
+ { ONIGERR_TARGET_OF_REPEAT_OPERATOR_NOT_SPECIFIED, REG_BADRPT },
+ { ONIGERR_TARGET_OF_REPEAT_OPERATOR_INVALID, REG_BADRPT },
+ { ONIGERR_NESTED_REPEAT_OPERATOR, REG_BADRPT },
+ { ONIGERR_UNMATCHED_CLOSE_PARENTHESIS, REG_EPAREN },
+ { ONIGERR_END_PATTERN_WITH_UNMATCHED_PARENTHESIS, REG_EPAREN },
+ { ONIGERR_END_PATTERN_IN_GROUP, REG_BADPAT },
+ { ONIGERR_UNDEFINED_GROUP_OPTION, REG_BADPAT },
+ { ONIGERR_INVALID_POSIX_BRACKET_TYPE, REG_BADPAT },
+ { ONIGERR_INVALID_LOOK_BEHIND_PATTERN, REG_BADPAT },
+ { ONIGERR_INVALID_REPEAT_RANGE_PATTERN, REG_BADPAT },
+ { ONIGERR_TOO_BIG_NUMBER, REG_BADPAT },
+ { ONIGERR_TOO_BIG_NUMBER_FOR_REPEAT_RANGE, REG_BADBR },
+ { ONIGERR_UPPER_SMALLER_THAN_LOWER_IN_REPEAT_RANGE, REG_BADBR },
+ { ONIGERR_EMPTY_RANGE_IN_CHAR_CLASS, REG_ECTYPE },
+ { ONIGERR_MISMATCH_CODE_LENGTH_IN_CLASS_RANGE, REG_ECTYPE },
+ { ONIGERR_TOO_MANY_MULTI_BYTE_RANGES, REG_ECTYPE },
+ { ONIGERR_TOO_SHORT_MULTI_BYTE_STRING, REG_BADPAT },
+ { ONIGERR_TOO_BIG_BACKREF_NUMBER, REG_ESUBREG },
+ { ONIGERR_INVALID_BACKREF, REG_ESUBREG },
+ { ONIGERR_NUMBERED_BACKREF_OR_CALL_NOT_ALLOWED, REG_BADPAT },
+ { ONIGERR_TOO_BIG_WIDE_CHAR_VALUE, REG_EONIG_BADWC },
+ { ONIGERR_TOO_LONG_WIDE_CHAR_VALUE, REG_EONIG_BADWC },
+ { ONIGERR_INVALID_CODE_POINT_VALUE, REG_EONIG_BADWC },
+ { ONIGERR_EMPTY_GROUP_NAME, REG_BADPAT },
+ { ONIGERR_INVALID_GROUP_NAME, REG_BADPAT },
+ { ONIGERR_INVALID_CHAR_IN_GROUP_NAME, REG_BADPAT },
+ { ONIGERR_UNDEFINED_NAME_REFERENCE, REG_BADPAT },
+ { ONIGERR_UNDEFINED_GROUP_REFERENCE, REG_BADPAT },
+ { ONIGERR_MULTIPLEX_DEFINED_NAME, REG_BADPAT },
+ { ONIGERR_MULTIPLEX_DEFINITION_NAME_CALL, REG_BADPAT },
+ { ONIGERR_NEVER_ENDING_RECURSION, REG_BADPAT },
+ { ONIGERR_GROUP_NUMBER_OVER_FOR_CAPTURE_HISTORY, REG_BADPAT },
+ { ONIGERR_INVALID_CHAR_PROPERTY_NAME, REG_BADPAT },
+ { ONIGERR_NOT_SUPPORTED_ENCODING_COMBINATION, REG_EONIG_BADARG },
+ { ONIGERR_LIBRARY_IS_NOT_INITIALIZED, REG_EONIG_INTERNAL }
+ };
+
+ int i;
+
+ if (code >= 0) return 0;
+
+ for (i = 0; i < (int )(sizeof(o2p) / sizeof(o2p[0])); i++) {
+ if (code == o2p[i].onig_err)
+ return o2p[i].posix_err;
+ }
+
+ return REG_EONIG_INTERNAL; /* but, unknown error code */
+}
+
+extern int
+regcomp(regex_t* reg, const char* pattern, int posix_options)
+{
+ int r, len;
+ OnigSyntaxType* syntax = OnigDefaultSyntax;
+ OnigOptionType options;
+
+ if ((posix_options & REG_EXTENDED) == 0)
+ syntax = ONIG_SYNTAX_POSIX_BASIC;
+
+ options = syntax->options;
+ if ((posix_options & REG_ICASE) != 0)
+ ONIG_OPTION_ON(options, ONIG_OPTION_IGNORECASE);
+ if ((posix_options & REG_NEWLINE) != 0) {
+ ONIG_OPTION_ON( options, ONIG_OPTION_NEGATE_SINGLELINE);
+ ONIG_OPTION_OFF(options, ONIG_OPTION_SINGLELINE);
+ }
+
+ reg->comp_options = posix_options;
+
+ ENC_STRING_LEN(OnigEncDefaultCharEncoding, pattern, len);
+ r = onig_new(PONIG_C(reg), (UChar* )pattern, (UChar* )(pattern + len),
+ options, OnigEncDefaultCharEncoding, syntax,
+ (OnigErrorInfo* )NULL);
+ if (r != ONIG_NORMAL) {
+ return onig2posix_error_code(r);
+ }
+
+ reg->re_nsub = ONIG_C(reg)->num_mem;
+ return 0;
+}
+
+extern int
+regexec(regex_t* reg, const char* str, size_t nmatch,
+ regmatch_t pmatch[], int posix_options)
+{
+ int r, i, len;
+ UChar* end;
+ regmatch_t* pm;
+ OnigOptionType options;
+
+ options = ONIG_OPTION_POSIX_REGION;
+ if ((posix_options & REG_NOTBOL) != 0) options |= ONIG_OPTION_NOTBOL;
+ if ((posix_options & REG_NOTEOL) != 0) options |= ONIG_OPTION_NOTEOL;
+
+ if (nmatch == 0 || (reg->comp_options & REG_NOSUB) != 0) {
+ pm = (regmatch_t* )NULL;
+ nmatch = 0;
+ }
+ else if ((int )nmatch < ONIG_C(reg)->num_mem + 1) {
+ pm = (regmatch_t* )xmalloc(sizeof(regmatch_t)
+ * (ONIG_C(reg)->num_mem + 1));
+ if (pm == NULL)
+ return REG_ESPACE;
+ }
+ else {
+ pm = pmatch;
+ }
+
+ ENC_STRING_LEN(ONIG_C(reg)->enc, str, len);
+ end = (UChar* )(str + len);
+ r = onig_search(ONIG_C(reg), (UChar* )str, end, (UChar* )str, end,
+ (OnigRegion* )pm, options);
+
+ if (r >= 0) {
+ r = 0; /* Match */
+ if (pm != pmatch && pm != NULL) {
+ xmemcpy(pmatch, pm, sizeof(regmatch_t) * nmatch);
+ }
+ }
+ else if (r == ONIG_MISMATCH) {
+ r = REG_NOMATCH;
+ for (i = 0; i < (int )nmatch; i++)
+ pmatch[i].rm_so = pmatch[i].rm_eo = ONIG_REGION_NOTPOS;
+ }
+ else {
+ r = onig2posix_error_code(r);
+ }
+
+ if (pm != pmatch && pm != NULL)
+ xfree(pm);
+
+#if 0
+ if (reg->re_nsub > nmatch - 1)
+ reg->re_nsub = (nmatch <= 1 ? 0 : nmatch - 1);
+#endif
+
+ return r;
+}
+
+extern void
+regfree(regex_t* reg)
+{
+ onig_free(ONIG_C(reg));
+}
+
+
+extern void
+reg_set_encoding(int mb_code)
+{
+ OnigEncoding enc;
+
+ switch (mb_code) {
+ case REG_POSIX_ENCODING_ASCII:
+ enc = ONIG_ENCODING_ASCII;
+ break;
+ case REG_POSIX_ENCODING_EUC_JP:
+ enc = ONIG_ENCODING_EUC_JP;
+ break;
+ case REG_POSIX_ENCODING_SJIS:
+ enc = ONIG_ENCODING_SJIS;
+ break;
+ case REG_POSIX_ENCODING_UTF8:
+ enc = ONIG_ENCODING_UTF8;
+ break;
+ case REG_POSIX_ENCODING_UTF16_BE:
+ enc = ONIG_ENCODING_UTF16_BE;
+ break;
+ case REG_POSIX_ENCODING_UTF16_LE:
+ enc = ONIG_ENCODING_UTF16_LE;
+ break;
+
+ default:
+ return ;
+ break;
+ }
+
+ onig_initialize(0, 0);
+ onig_initialize_encoding(enc);
+
+ onigenc_set_default_encoding(enc);
+}
+
+extern int
+reg_name_to_group_numbers(regex_t* reg,
+ const unsigned char* name, const unsigned char* name_end, int** nums)
+{
+ return onig_name_to_group_numbers(ONIG_C(reg), name, name_end, nums);
+}
+
+typedef struct {
+ int (*func)(const unsigned char*, const unsigned char*,int,int*,regex_t*,void*);
+ regex_t* reg;
+ void* arg;
+} i_wrap;
+
+static int
+i_wrapper(const UChar* name, const UChar* name_end, int ng, int* gs,
+ onig_regex_t* reg ARG_UNUSED, void* arg)
+{
+ i_wrap* warg = (i_wrap* )arg;
+
+ return (*warg->func)(name, name_end, ng, gs, warg->reg, warg->arg);
+}
+
+extern int
+reg_foreach_name(regex_t* reg,
+ int (*func)(const unsigned char*, const unsigned char*,int,int*,regex_t*,void*),
+ void* arg)
+{
+ i_wrap warg;
+
+ warg.func = func;
+ warg.reg = reg;
+ warg.arg = arg;
+
+ return onig_foreach_name(ONIG_C(reg), i_wrapper, &warg);
+}
+
+extern int
+reg_number_of_names(regex_t* reg)
+{
+ return onig_number_of_names(ONIG_C(reg));
+}