mirror of https://github.com/acidanthera/audk.git
132 lines
3.9 KiB
C
132 lines
3.9 KiB
C
/**********************************************************************
|
|
reggnu.c - Oniguruma (regular expression library)
|
|
**********************************************************************/
|
|
/*-
|
|
* Copyright (c) 2002-2019 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"
|
|
#include "oniggnu.h"
|
|
|
|
extern void
|
|
re_free_registers(OnigRegion* r)
|
|
{
|
|
/* 0: don't free self */
|
|
onig_region_free(r, 0);
|
|
}
|
|
|
|
extern int
|
|
re_adjust_startpos(regex_t* reg, const char* string, int size,
|
|
int startpos, int range)
|
|
{
|
|
if (startpos > 0 && ONIGENC_MBC_MAXLEN(reg->enc) != 1 && startpos < size) {
|
|
UChar *p;
|
|
UChar *s = (UChar* )string + startpos;
|
|
|
|
if (range > 0) {
|
|
p = onigenc_get_right_adjust_char_head(reg->enc, (UChar* )string, s);
|
|
}
|
|
else {
|
|
p = ONIGENC_LEFT_ADJUST_CHAR_HEAD(reg->enc, (UChar* )string, s);
|
|
}
|
|
return (int )(p - (UChar* )string);
|
|
}
|
|
|
|
return startpos;
|
|
}
|
|
|
|
extern int
|
|
re_match(regex_t* reg, const char* str, int size, int pos,
|
|
struct re_registers* regs)
|
|
{
|
|
return onig_match(reg, (UChar* )str, (UChar* )(str + size),
|
|
(UChar* )(str + pos), regs, ONIG_OPTION_NONE);
|
|
}
|
|
|
|
extern int
|
|
re_search(regex_t* bufp, const char* string, int size, int startpos, int range,
|
|
struct re_registers* regs)
|
|
{
|
|
return onig_search(bufp, (UChar* )string, (UChar* )(string + size),
|
|
(UChar* )(string + startpos),
|
|
(UChar* )(string + startpos + range),
|
|
regs, ONIG_OPTION_NONE);
|
|
}
|
|
|
|
extern int
|
|
re_compile_pattern(const char* pattern, int size, regex_t* reg, char* ebuf)
|
|
{
|
|
int r;
|
|
OnigErrorInfo einfo;
|
|
|
|
r = onig_compile(reg, (UChar* )pattern, (UChar* )(pattern + size), &einfo);
|
|
if (r != ONIG_NORMAL) {
|
|
if (IS_NOT_NULL(ebuf))
|
|
(void )onig_error_code_to_str((UChar* )ebuf, r, &einfo);
|
|
}
|
|
|
|
return r;
|
|
}
|
|
|
|
extern void
|
|
re_free_pattern(regex_t* reg)
|
|
{
|
|
onig_free(reg);
|
|
}
|
|
|
|
extern int
|
|
re_alloc_pattern(regex_t** reg)
|
|
{
|
|
*reg = (regex_t* )xmalloc(sizeof(regex_t));
|
|
if (IS_NULL(*reg)) return ONIGERR_MEMORY;
|
|
|
|
return onig_reg_init(*reg, ONIG_OPTION_DEFAULT,
|
|
ONIGENC_CASE_FOLD_DEFAULT,
|
|
OnigEncDefaultCharEncoding,
|
|
OnigDefaultSyntax);
|
|
}
|
|
|
|
extern void
|
|
re_set_casetable(const char* table)
|
|
{
|
|
onigenc_set_default_caseconv_table((UChar* )table);
|
|
}
|
|
|
|
extern void
|
|
re_mbcinit(int mb_code)
|
|
{
|
|
OnigEncoding enc;
|
|
|
|
switch (mb_code) {
|
|
case RE_MBCTYPE_ASCII:
|
|
enc = ONIG_ENCODING_ASCII;
|
|
break;
|
|
}
|
|
|
|
onig_initialize(&enc, 1);
|
|
|
|
onigenc_set_default_encoding(enc);
|
|
}
|