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https://github.com/CloverHackyColor/CloverBootloader.git
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132 lines
3.9 KiB
C
132 lines
3.9 KiB
C
/**********************************************************************
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reggnu.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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#include "regint.h"
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#include "oniggnu.h"
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extern void
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re_free_registers(OnigRegion* r)
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{
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/* 0: don't free self */
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onig_region_free(r, 0);
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}
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extern int
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re_adjust_startpos(regex_t* reg, const char* string, int size,
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int startpos, int range)
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{
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if (startpos > 0 && ONIGENC_MBC_MAXLEN(reg->enc) != 1 && startpos < size) {
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UChar *p;
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UChar *s = (UChar* )string + startpos;
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if (range > 0) {
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p = onigenc_get_right_adjust_char_head(reg->enc, (UChar* )string, s);
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}
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else {
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p = ONIGENC_LEFT_ADJUST_CHAR_HEAD(reg->enc, (UChar* )string, s);
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}
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return (int )(p - (UChar* )string);
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}
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return startpos;
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}
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extern int
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re_match(regex_t* reg, const char* str, int size, int pos,
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struct re_registers* regs)
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{
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return onig_match(reg, (UChar* )str, (UChar* )(str + size),
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(UChar* )(str + pos), regs, ONIG_OPTION_NONE);
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}
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extern int
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re_search(regex_t* bufp, const char* string, int size, int startpos, int range,
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struct re_registers* regs)
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{
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return onig_search(bufp, (UChar* )string, (UChar* )(string + size),
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(UChar* )(string + startpos),
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(UChar* )(string + startpos + range),
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regs, ONIG_OPTION_NONE);
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}
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extern int
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re_compile_pattern(const char* pattern, int size, regex_t* reg, char* ebuf)
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{
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int r;
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OnigErrorInfo einfo;
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r = onig_compile(reg, (UChar* )pattern, (UChar* )(pattern + size), &einfo);
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if (r != ONIG_NORMAL) {
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if (IS_NOT_NULL(ebuf))
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(void )onig_error_code_to_str((UChar* )ebuf, r, &einfo);
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}
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return r;
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}
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extern void
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re_free_pattern(regex_t* reg)
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{
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onig_free(reg);
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}
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extern int
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re_alloc_pattern(regex_t** reg)
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{
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*reg = (regex_t* )xmalloc(sizeof(regex_t));
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if (IS_NULL(*reg)) return ONIGERR_MEMORY;
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return onig_reg_init(*reg, ONIG_OPTION_DEFAULT,
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ONIGENC_CASE_FOLD_DEFAULT,
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OnigEncDefaultCharEncoding,
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OnigDefaultSyntax);
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}
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extern void
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re_set_casetable(const char* table)
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{
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onigenc_set_default_caseconv_table((UChar* )table);
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}
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extern void
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re_mbcinit(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 RE_MBCTYPE_ASCII:
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enc = ONIG_ENCODING_ASCII;
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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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