| Tristan Matthews | 0a329cc | 2013-07-17 13:20:14 -0400 | [diff] [blame] | 1 | /* $Id$ */ |
| 2 | /* |
| 3 | * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com) |
| 4 | * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 | */ |
| 20 | #ifndef __PJLIB_UTIL_SCANNER_CIS_BIT_H__ |
| 21 | #define __PJLIB_UTIL_SCANNER_CIS_BIT_H__ |
| 22 | |
| 23 | #include <pj/types.h> |
| 24 | |
| 25 | PJ_BEGIN_DECL |
| 26 | |
| 27 | /** |
| 28 | * This describes the type of individual character specification in |
| 29 | * #pj_cis_buf_t. Basicly the number of bits here |
| 30 | */ |
| 31 | #ifndef PJ_CIS_ELEM_TYPE |
| 32 | # define PJ_CIS_ELEM_TYPE int |
| 33 | #endif |
| 34 | |
| 35 | /** |
| 36 | * This describes the type of individual character specification in |
| 37 | * #pj_cis_buf_t. |
| 38 | */ |
| 39 | typedef PJ_CIS_ELEM_TYPE pj_cis_elem_t; |
| 40 | |
| 41 | /** pj_cis_buf_t is not used when uint back-end is used. */ |
| 42 | typedef int pj_cis_buf_t; |
| 43 | |
| 44 | /** |
| 45 | * Character input specification. |
| 46 | */ |
| 47 | typedef struct pj_cis_t |
| 48 | { |
| 49 | PJ_CIS_ELEM_TYPE cis_buf[256]; /**< Internal buffer. */ |
| 50 | } pj_cis_t; |
| 51 | |
| 52 | |
| 53 | /** |
| 54 | * Set the membership of the specified character. |
| 55 | * Note that this is a macro, and arguments may be evaluated more than once. |
| 56 | * |
| 57 | * @param cis Pointer to character input specification. |
| 58 | * @param c The character. |
| 59 | */ |
| 60 | #define PJ_CIS_SET(cis,c) ((cis)->cis_buf[(int)(c)] = 1) |
| 61 | |
| 62 | /** |
| 63 | * Remove the membership of the specified character. |
| 64 | * Note that this is a macro, and arguments may be evaluated more than once. |
| 65 | * |
| 66 | * @param cis Pointer to character input specification. |
| 67 | * @param c The character to be removed from the membership. |
| 68 | */ |
| 69 | #define PJ_CIS_CLR(cis,c) ((cis)->cis_buf[(int)c] = 0) |
| 70 | |
| 71 | /** |
| 72 | * Check the membership of the specified character. |
| 73 | * Note that this is a macro, and arguments may be evaluated more than once. |
| 74 | * |
| 75 | * @param cis Pointer to character input specification. |
| 76 | * @param c The character. |
| 77 | */ |
| 78 | #define PJ_CIS_ISSET(cis,c) ((cis)->cis_buf[(int)c]) |
| 79 | |
| 80 | |
| 81 | |
| 82 | PJ_END_DECL |
| 83 | |
| 84 | #endif /* __PJLIB_UTIL_SCANNER_CIS_BIT_H__ */ |