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/* $Id$ */
/*
* Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
* Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __PJLIB_UTIL_SCANNER_CIS_BIT_H__
#define __PJLIB_UTIL_SCANNER_CIS_BIT_H__
#include <pj/types.h>
PJ_BEGIN_DECL
/**
* This describes the type of individual character specification in
* #pj_cis_buf_t. Basicly the number of bits here
*/
#ifndef PJ_CIS_ELEM_TYPE
# define PJ_CIS_ELEM_TYPE int
#endif
/**
* This describes the type of individual character specification in
* #pj_cis_buf_t.
*/
typedef PJ_CIS_ELEM_TYPE pj_cis_elem_t;
/** pj_cis_buf_t is not used when uint back-end is used. */
typedef int pj_cis_buf_t;
/**
* Character input specification.
*/
typedef struct pj_cis_t
{
PJ_CIS_ELEM_TYPE cis_buf[256]; /**< Internal buffer. */
} pj_cis_t;
/**
* Set the membership of the specified character.
* Note that this is a macro, and arguments may be evaluated more than once.
*
* @param cis Pointer to character input specification.
* @param c The character.
*/
#define PJ_CIS_SET(cis,c) ((cis)->cis_buf[(int)(c)] = 1)
/**
* Remove the membership of the specified character.
* Note that this is a macro, and arguments may be evaluated more than once.
*
* @param cis Pointer to character input specification.
* @param c The character to be removed from the membership.
*/
#define PJ_CIS_CLR(cis,c) ((cis)->cis_buf[(int)c] = 0)
/**
* Check the membership of the specified character.
* Note that this is a macro, and arguments may be evaluated more than once.
*
* @param cis Pointer to character input specification.
* @param c The character.
*/
#define PJ_CIS_ISSET(cis,c) ((cis)->cis_buf[(int)c])
PJ_END_DECL
#endif /* __PJLIB_UTIL_SCANNER_CIS_BIT_H__ */
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