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/* $Id: scanner_cis_bitwise.h 3553 2011-05-05 06:14:19Z nanang $ */
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* Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
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* Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#ifndef __PJLIB_UTIL_SCANNER_CIS_BIT_H__
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#define __PJLIB_UTIL_SCANNER_CIS_BIT_H__
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* This describes the type of individual character specification in
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* #pj_cis_buf_t. Basicly the number of bits here
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#ifndef PJ_CIS_ELEM_TYPE
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# define PJ_CIS_ELEM_TYPE pj_uint32_t
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* This describes the type of individual character specification in
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typedef PJ_CIS_ELEM_TYPE pj_cis_elem_t;
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* Maximum number of input specification in a buffer.
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* Effectively this means the number of bits in pj_cis_elem_t.
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#define PJ_CIS_MAX_INDEX (sizeof(pj_cis_elem_t) << 3)
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* The scanner input specification buffer.
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typedef struct pj_cis_buf_t
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pj_cis_elem_t cis_buf[256]; /**< Must be 256 (not 128)! */
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pj_cis_elem_t use_mask; /**< To keep used indexes. */
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* Character input specification.
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typedef struct pj_cis_t
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pj_cis_elem_t *cis_buf; /**< Pointer to buffer. */
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int cis_id; /**< Id. */
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* Set the membership of the specified character.
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* Note that this is a macro, and arguments may be evaluated more than once.
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* @param cis Pointer to character input specification.
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* @param c The character.
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#define PJ_CIS_SET(cis,c) ((cis)->cis_buf[(int)(c)] |= (1 << (cis)->cis_id))
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* Remove the membership of the specified character.
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* Note that this is a macro, and arguments may be evaluated more than once.
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* @param cis Pointer to character input specification.
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* @param c The character to be removed from the membership.
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#define PJ_CIS_CLR(cis,c) ((cis)->cis_buf[(int)c] &= ~(1 << (cis)->cis_id))
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* Check the membership of the specified character.
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* Note that this is a macro, and arguments may be evaluated more than once.
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* @param cis Pointer to character input specification.
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* @param c The character.
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#define PJ_CIS_ISSET(cis,c) ((cis)->cis_buf[(int)c] & (1 << (cis)->cis_id))
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#endif /* __PJLIB_UTIL_SCANNER_CIS_BIT_H__ */