reactos/dll/win32/vbscript/regexp.h

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/*
* Copyright 2008 Jacek Caban for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
/*
* Code in this file is based on files:
* js/src/jsregexp.h
* js/src/jsregexp.c
* from Mozilla project, released under LGPL 2.1 or later.
*
* The Original Code is Mozilla Communicator client code, released
* March 31, 1998.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*/
#pragma once
#define REG_FOLD 0x01 /* fold uppercase to lowercase */
#define REG_GLOB 0x02 /* global exec, creates array of matches */
#define REG_MULTILINE 0x04 /* treat ^ and $ as begin and end of line */
#define REG_STICKY 0x08 /* only match starting at lastIndex */
typedef struct RECapture {
ptrdiff_t index; /* start of contents, -1 for empty */
size_t length; /* length of capture */
} RECapture;
typedef struct match_state_t {
const WCHAR *cp;
DWORD match_len;
DWORD paren_count;
RECapture parens[1];
} match_state_t;
typedef BYTE jsbytecode;
typedef struct regexp_t {
WORD flags; /* flags, see jsapi.h's REG_* defines */
size_t parenCount; /* number of parenthesized submatches */
size_t classCount; /* count [...] bitmaps */
struct RECharSet *classList; /* list of [...] bitmaps */
const WCHAR *source; /* locked source string, sans // */
DWORD source_len;
jsbytecode program[1]; /* regular expression bytecode */
} regexp_t;
regexp_t* regexp_new(void*, heap_pool_t*, const WCHAR*, DWORD, WORD, BOOL) DECLSPEC_HIDDEN;
void regexp_destroy(regexp_t*) DECLSPEC_HIDDEN;
HRESULT regexp_execute(regexp_t*, void*, heap_pool_t*, const WCHAR*,
DWORD, match_state_t*) DECLSPEC_HIDDEN;
HRESULT regexp_set_flags(regexp_t**, void*, heap_pool_t*, WORD) DECLSPEC_HIDDEN;
static inline match_state_t* alloc_match_state(regexp_t *regexp,
heap_pool_t *pool, const WCHAR *pos)
{
size_t size = offsetof(match_state_t, parens) + regexp->parenCount*sizeof(RECapture);
match_state_t *ret;
ret = pool ? heap_pool_alloc(pool, size) : heap_alloc(size);
if(!ret)
return NULL;
ret->cp = pos;
return ret;
}