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- /*
- * 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 pj_uint32_t
- #endif
- /**
- * This describes the type of individual character specification in
- * #pj_cis_buf_t.
- */
- typedef PJ_CIS_ELEM_TYPE pj_cis_elem_t;
- /**
- * Maximum number of input specification in a buffer.
- * Effectively this means the number of bits in pj_cis_elem_t.
- */
- #define PJ_CIS_MAX_INDEX (sizeof(pj_cis_elem_t) << 3)
- /**
- * The scanner input specification buffer.
- */
- typedef struct pj_cis_buf_t
- {
- pj_cis_elem_t cis_buf[256]; /**< Must be 256 (not 128)! */
- pj_cis_elem_t use_mask; /**< To keep used indexes. */
- } pj_cis_buf_t;
- /**
- * Character input specification.
- */
- typedef struct pj_cis_t
- {
- pj_cis_elem_t *cis_buf; /**< Pointer to buffer. */
- int cis_id; /**< Id. */
- } 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 << (cis)->cis_id))
- /**
- * 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] &= ~(1 << (cis)->cis_id))
- /**
- * 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] & (1 << (cis)->cis_id))
- PJ_END_DECL
- #endif /* __PJLIB_UTIL_SCANNER_CIS_BIT_H__ */
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