mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
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305 lines
12 KiB
C
305 lines
12 KiB
C
/**********************************************************************
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regposix.c - Oniguruma (regular expression library)
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**********************************************************************/
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/*-
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* Copyright (c) 2002-2019 K.Kosako <sndgk393 AT ybb DOT ne DOT jp>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#define regex_t onig_regex_t
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#include "regint.h"
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#undef regex_t
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#include "onigposix.h"
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#define ONIG_C(reg) ((onig_regex_t* )((reg)->onig))
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#define PONIG_C(reg) ((onig_regex_t** )(&(reg)->onig))
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/* #define ENC_STRING_LEN(enc,s,len) len = strlen(s) */
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#define ENC_STRING_LEN(enc,s,len) do { \
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if (ONIGENC_MBC_MINLEN(enc) == 1) { \
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UChar* tmps = (UChar* )(s); \
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while (*tmps != 0) tmps++; \
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len = (int )(tmps - (UChar* )(s));\
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} \
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else { \
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len = onigenc_str_bytelen_null(enc, (UChar* )s); \
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} \
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} while(0)
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typedef struct {
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int onig_err;
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int posix_err;
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} O2PERR;
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static int
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onig2posix_error_code(int code)
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{
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static const O2PERR o2p[] = {
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{ ONIG_MISMATCH, REG_NOMATCH },
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{ ONIG_NO_SUPPORT_CONFIG, REG_EONIG_INTERNAL },
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{ ONIG_ABORT, REG_EONIG_INTERNAL },
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{ ONIGERR_MEMORY, REG_ESPACE },
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{ ONIGERR_MATCH_STACK_LIMIT_OVER, REG_EONIG_INTERNAL },
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{ ONIGERR_RETRY_LIMIT_IN_MATCH_OVER, REG_EONIG_INTERNAL },
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{ ONIGERR_TYPE_BUG, REG_EONIG_INTERNAL },
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{ ONIGERR_PARSER_BUG, REG_EONIG_INTERNAL },
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{ ONIGERR_STACK_BUG, REG_EONIG_INTERNAL },
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{ ONIGERR_UNDEFINED_BYTECODE, REG_EONIG_INTERNAL },
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{ ONIGERR_UNEXPECTED_BYTECODE, REG_EONIG_INTERNAL },
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{ ONIGERR_DEFAULT_ENCODING_IS_NOT_SETTED, REG_EONIG_BADARG },
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{ ONIGERR_SPECIFIED_ENCODING_CANT_CONVERT_TO_WIDE_CHAR, REG_EONIG_BADARG },
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{ ONIGERR_FAIL_TO_INITIALIZE, REG_EONIG_INTERNAL },
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{ ONIGERR_INVALID_ARGUMENT, REG_EONIG_BADARG },
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{ ONIGERR_END_PATTERN_AT_LEFT_BRACE, REG_EBRACE },
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{ ONIGERR_END_PATTERN_AT_LEFT_BRACKET, REG_EBRACK },
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{ ONIGERR_EMPTY_CHAR_CLASS, REG_ECTYPE },
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{ ONIGERR_PREMATURE_END_OF_CHAR_CLASS, REG_ECTYPE },
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{ ONIGERR_END_PATTERN_AT_ESCAPE, REG_EESCAPE },
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{ ONIGERR_END_PATTERN_AT_META, REG_EESCAPE },
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{ ONIGERR_END_PATTERN_AT_CONTROL, REG_EESCAPE },
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{ ONIGERR_META_CODE_SYNTAX, REG_BADPAT },
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{ ONIGERR_CONTROL_CODE_SYNTAX, REG_BADPAT },
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{ ONIGERR_CHAR_CLASS_VALUE_AT_END_OF_RANGE, REG_ECTYPE },
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{ ONIGERR_CHAR_CLASS_VALUE_AT_START_OF_RANGE, REG_ECTYPE },
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{ ONIGERR_UNMATCHED_RANGE_SPECIFIER_IN_CHAR_CLASS, REG_ECTYPE },
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{ ONIGERR_TARGET_OF_REPEAT_OPERATOR_NOT_SPECIFIED, REG_BADRPT },
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{ ONIGERR_TARGET_OF_REPEAT_OPERATOR_INVALID, REG_BADRPT },
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{ ONIGERR_NESTED_REPEAT_OPERATOR, REG_BADRPT },
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{ ONIGERR_UNMATCHED_CLOSE_PARENTHESIS, REG_EPAREN },
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{ ONIGERR_END_PATTERN_WITH_UNMATCHED_PARENTHESIS, REG_EPAREN },
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{ ONIGERR_END_PATTERN_IN_GROUP, REG_BADPAT },
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{ ONIGERR_UNDEFINED_GROUP_OPTION, REG_BADPAT },
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{ ONIGERR_INVALID_POSIX_BRACKET_TYPE, REG_BADPAT },
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{ ONIGERR_INVALID_LOOK_BEHIND_PATTERN, REG_BADPAT },
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{ ONIGERR_INVALID_REPEAT_RANGE_PATTERN, REG_BADPAT },
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{ ONIGERR_TOO_BIG_NUMBER, REG_BADPAT },
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{ ONIGERR_TOO_BIG_NUMBER_FOR_REPEAT_RANGE, REG_BADBR },
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{ ONIGERR_UPPER_SMALLER_THAN_LOWER_IN_REPEAT_RANGE, REG_BADBR },
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{ ONIGERR_EMPTY_RANGE_IN_CHAR_CLASS, REG_ECTYPE },
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{ ONIGERR_MISMATCH_CODE_LENGTH_IN_CLASS_RANGE, REG_ECTYPE },
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{ ONIGERR_TOO_MANY_MULTI_BYTE_RANGES, REG_ECTYPE },
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{ ONIGERR_TOO_SHORT_MULTI_BYTE_STRING, REG_BADPAT },
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{ ONIGERR_TOO_BIG_BACKREF_NUMBER, REG_ESUBREG },
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{ ONIGERR_INVALID_BACKREF, REG_ESUBREG },
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{ ONIGERR_NUMBERED_BACKREF_OR_CALL_NOT_ALLOWED, REG_BADPAT },
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{ ONIGERR_TOO_BIG_WIDE_CHAR_VALUE, REG_EONIG_BADWC },
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{ ONIGERR_TOO_LONG_WIDE_CHAR_VALUE, REG_EONIG_BADWC },
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{ ONIGERR_INVALID_CODE_POINT_VALUE, REG_EONIG_BADWC },
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{ ONIGERR_EMPTY_GROUP_NAME, REG_BADPAT },
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{ ONIGERR_INVALID_GROUP_NAME, REG_BADPAT },
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{ ONIGERR_INVALID_CHAR_IN_GROUP_NAME, REG_BADPAT },
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{ ONIGERR_UNDEFINED_NAME_REFERENCE, REG_BADPAT },
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{ ONIGERR_UNDEFINED_GROUP_REFERENCE, REG_BADPAT },
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{ ONIGERR_MULTIPLEX_DEFINED_NAME, REG_BADPAT },
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{ ONIGERR_MULTIPLEX_DEFINITION_NAME_CALL, REG_BADPAT },
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{ ONIGERR_NEVER_ENDING_RECURSION, REG_BADPAT },
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{ ONIGERR_GROUP_NUMBER_OVER_FOR_CAPTURE_HISTORY, REG_BADPAT },
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{ ONIGERR_INVALID_CHAR_PROPERTY_NAME, REG_BADPAT },
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{ ONIGERR_INVALID_IF_ELSE_SYNTAX, REG_BADPAT },
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{ ONIGERR_INVALID_ABSENT_GROUP_PATTERN, REG_BADPAT },
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{ ONIGERR_INVALID_ABSENT_GROUP_GENERATOR_PATTERN, REG_BADPAT },
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{ ONIGERR_INVALID_CALLOUT_PATTERN, REG_BADPAT },
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{ ONIGERR_INVALID_CALLOUT_NAME, REG_BADPAT },
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{ ONIGERR_UNDEFINED_CALLOUT_NAME, REG_BADPAT },
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{ ONIGERR_INVALID_CALLOUT_BODY, REG_BADPAT },
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{ ONIGERR_INVALID_CALLOUT_TAG_NAME, REG_BADPAT },
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{ ONIGERR_INVALID_CALLOUT_ARG, REG_BADPAT },
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{ ONIGERR_NOT_SUPPORTED_ENCODING_COMBINATION, REG_EONIG_BADARG },
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{ ONIGERR_LIBRARY_IS_NOT_INITIALIZED, REG_EONIG_INTERNAL }
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};
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int i;
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if (code >= 0) return 0;
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for (i = 0; i < (int )(sizeof(o2p) / sizeof(o2p[0])); i++) {
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if (code == o2p[i].onig_err)
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return o2p[i].posix_err;
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}
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return REG_EONIG_INTERNAL; /* but, unknown error code */
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}
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extern int
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regcomp(regex_t* reg, const char* pattern, int posix_options)
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{
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int r, len;
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OnigSyntaxType* syntax = OnigDefaultSyntax;
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OnigOptionType options;
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reg->onig = (void* )0;
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if ((posix_options & REG_EXTENDED) == 0)
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syntax = ONIG_SYNTAX_POSIX_BASIC;
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options = syntax->options;
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if ((posix_options & REG_ICASE) != 0)
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ONIG_OPTION_ON(options, ONIG_OPTION_IGNORECASE);
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if ((posix_options & REG_NEWLINE) != 0) {
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ONIG_OPTION_ON( options, ONIG_OPTION_NEGATE_SINGLELINE);
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ONIG_OPTION_OFF(options, ONIG_OPTION_SINGLELINE);
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}
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reg->comp_options = posix_options;
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ENC_STRING_LEN(OnigEncDefaultCharEncoding, pattern, len);
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r = onig_new(PONIG_C(reg), (UChar* )pattern, (UChar* )(pattern + len),
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options, OnigEncDefaultCharEncoding, syntax,
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(OnigErrorInfo* )NULL);
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if (r != ONIG_NORMAL) {
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return onig2posix_error_code(r);
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}
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reg->re_nsub = ONIG_C(reg)->num_mem;
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return 0;
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}
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extern int
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regexec(regex_t* reg, const char* str, size_t nmatch,
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regmatch_t pmatch[], int posix_options)
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{
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int r, i, len;
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UChar* end;
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regmatch_t* pm;
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OnigOptionType options;
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options = ONIG_OPTION_POSIX_REGION;
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if ((posix_options & REG_NOTBOL) != 0) options |= ONIG_OPTION_NOTBOL;
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if ((posix_options & REG_NOTEOL) != 0) options |= ONIG_OPTION_NOTEOL;
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if (nmatch == 0 || (reg->comp_options & REG_NOSUB) != 0) {
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pm = (regmatch_t* )NULL;
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nmatch = 0;
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}
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else if ((int )nmatch < ONIG_C(reg)->num_mem + 1) {
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pm = (regmatch_t* )xmalloc(sizeof(regmatch_t)
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* (ONIG_C(reg)->num_mem + 1));
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if (pm == NULL)
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return REG_ESPACE;
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}
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else {
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pm = pmatch;
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}
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ENC_STRING_LEN(ONIG_C(reg)->enc, str, len);
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end = (UChar* )(str + len);
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r = onig_search(ONIG_C(reg), (UChar* )str, end, (UChar* )str, end,
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(OnigRegion* )pm, options);
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if (r >= 0) {
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r = 0; /* Match */
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if (pm != pmatch && pm != NULL) {
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xmemcpy(pmatch, pm, sizeof(regmatch_t) * nmatch);
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}
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}
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else if (r == ONIG_MISMATCH) {
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r = REG_NOMATCH;
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for (i = 0; i < (int )nmatch; i++)
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pmatch[i].rm_so = pmatch[i].rm_eo = ONIG_REGION_NOTPOS;
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}
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else {
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r = onig2posix_error_code(r);
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}
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if (pm != pmatch && pm != NULL)
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xfree(pm);
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#if 0
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if (reg->re_nsub > nmatch - 1)
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reg->re_nsub = (nmatch <= 1 ? 0 : nmatch - 1);
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#endif
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return r;
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}
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extern void
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regfree(regex_t* reg)
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{
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onig_free(ONIG_C(reg));
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reg->onig = (void* )0;
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}
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extern void
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reg_set_encoding(int mb_code)
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{
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OnigEncoding enc;
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switch (mb_code) {
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case REG_POSIX_ENCODING_ASCII:
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enc = ONIG_ENCODING_ASCII;
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break;
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case REG_POSIX_ENCODING_UTF16_LE:
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enc = ONIG_ENCODING_UTF16_LE;
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break;
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}
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onig_initialize(&enc, 1);
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onigenc_set_default_encoding(enc);
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}
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extern int
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reg_name_to_group_numbers(regex_t* reg,
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const unsigned char* name, const unsigned char* name_end, int** nums)
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{
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return onig_name_to_group_numbers(ONIG_C(reg), name, name_end, nums);
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}
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typedef struct {
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int (*func)(const unsigned char*, const unsigned char*,int,int*,regex_t*,void*);
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regex_t* reg;
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void* arg;
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} i_wrap;
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static int
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i_wrapper(const UChar* name, const UChar* name_end, int ng, int* gs,
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onig_regex_t* reg ARG_UNUSED, void* arg)
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{
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i_wrap* warg = (i_wrap* )arg;
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return (*warg->func)(name, name_end, ng, gs, warg->reg, warg->arg);
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}
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extern int
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reg_foreach_name(regex_t* reg,
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int (*func)(const unsigned char*, const unsigned char*,int,int*,regex_t*,void*),
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void* arg)
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{
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i_wrap warg;
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warg.func = func;
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warg.reg = reg;
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warg.arg = arg;
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return onig_foreach_name(ONIG_C(reg), i_wrapper, &warg);
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}
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extern int
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reg_number_of_names(regex_t* reg)
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{
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return onig_number_of_names(ONIG_C(reg));
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}
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