163 lines
4.1 KiB
C
163 lines
4.1 KiB
C
/*
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Copyright (c) 2006-2020 Chung, Hyung-Hwan. All rights reserved.
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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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THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _HAWK_TRE_H_
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#define _HAWK_TRE_H_
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#include <hawk-cmn.h>
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struct hawk_tre_t
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{
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hawk_gem_t* gem;
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hawk_oow_t re_nsub; /* Number of parenthesized subexpressions. */
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void* value; /* For internal use only. */
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};
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typedef int hawk_tre_off_t;
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typedef struct hawk_tre_match_t hawk_tre_match_t;
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struct hawk_tre_match_t
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{
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hawk_tre_off_t rm_so;
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hawk_tre_off_t rm_eo;
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};
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enum hawk_tre_cflag_t
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{
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HAWK_TRE_EXTENDED = (1 << 0),
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HAWK_TRE_IGNORECASE = (1 << 1),
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HAWK_TRE_NEWLINE = (1 << 2),
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HAWK_TRE_NOSUBREG = (1 << 3),
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HAWK_TRE_LITERAL = (1 << 4),
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HAWK_TRE_RIGHTASSOC = (1 << 5),
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HAWK_TRE_UNGREEDY = (1 << 6),
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/* Disable {n,m} occrrence specifier
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* in the HAWK_TRE_EXTENDED mode.
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* it doesn't affect the BRE's \{\}. */
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HAWK_TRE_NOBOUND = (1 << 7),
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/* Enable non-standard extensions:
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* - Enable (?:text) for no submatch backreference.
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* - Enable perl-like (?...) extensions like (?i)
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* if HAWK_TRE_EXTENDED is also set.
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*/
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HAWK_TRE_NONSTDEXT = (1 << 8)
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};
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enum hawk_tre_eflag_t
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{
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HAWK_TRE_BACKTRACKING = (1 << 0),
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HAWK_TRE_NOTBOL = (1 << 1),
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HAWK_TRE_NOTEOL = (1 << 2)
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};
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#if defined(__cplusplus)
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extern "C" {
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#endif
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HAWK_EXPORT hawk_tre_t* hawk_tre_open (
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hawk_gem_t* gem,
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hawk_oow_t xtnsize
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);
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HAWK_EXPORT void hawk_tre_close (
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hawk_tre_t* tre
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);
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HAWK_EXPORT int hawk_tre_init (
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hawk_tre_t* tre,
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hawk_gem_t* gem
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);
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HAWK_EXPORT void hawk_tre_fini (
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hawk_tre_t* tre
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);
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#if defined(HAWK_HAVE_INLINE)
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static HAWK_INLINE void* hawk_tre_getxtn (hawk_tre_t* tre) { return (void*)(tre + 1); }
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#else
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#define hawk_tre_getxtn(tre) ((void*)((hawk_tre_t*)(tre) + 1))
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#endif
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HAWK_EXPORT int hawk_tre_compx (
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hawk_tre_t* tre,
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const hawk_ooch_t* regex,
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hawk_oow_t n,
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unsigned int* nsubmat,
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int cflags
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);
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HAWK_EXPORT int hawk_tre_comp (
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hawk_tre_t* tre,
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const hawk_ooch_t* regex,
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unsigned int* nsubmat,
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int cflags
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);
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HAWK_EXPORT int hawk_tre_execx (
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hawk_tre_t* tre,
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const hawk_ooch_t* str,
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hawk_oow_t len,
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hawk_tre_match_t* pmatch,
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hawk_oow_t nmatch,
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int eflags,
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hawk_gem_t* errgem
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);
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HAWK_EXPORT int hawk_tre_exec (
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hawk_tre_t* tre,
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const hawk_ooch_t* str,
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hawk_tre_match_t* pmatch,
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hawk_oow_t nmatch,
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int eflags,
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hawk_gem_t* errgem
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);
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HAWK_EXPORT int hawk_tre_execuchars (
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hawk_tre_t* tre,
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const hawk_uch_t* str,
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hawk_oow_t len,
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hawk_tre_match_t* pmatch,
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hawk_oow_t nmatch,
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int eflags,
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hawk_gem_t* errgem
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);
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HAWK_EXPORT int hawk_tre_execbchars (
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hawk_tre_t* tre,
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const hawk_bch_t* str,
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hawk_oow_t len,
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hawk_tre_match_t* pmatch,
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hawk_oow_t nmatch,
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int eflags,
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hawk_gem_t* errgem
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);
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#if defined(__cplusplus)
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}
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#endif
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#endif
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