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| Rev | Author | Line No. | Line |
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| 3666 | mejdrech | 1 | /* |
| 2 | * Copyright (c) 2008 Lukas Mejdrech |
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| 3 | * All rights reserved. |
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| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * |
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| 9 | * - Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * - Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * - The name of the author may not be used to endorse or promote products |
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| 15 | * derived from this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | */ |
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| 28 | |||
| 29 | /** @addtogroup net |
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| 3846 | mejdrech | 30 | * @{ |
| 3666 | mejdrech | 31 | */ |
| 32 | |||
| 33 | /** @file |
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| 34 | */ |
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| 35 | |||
| 36 | #ifndef __GENERIC_CHAR_MAP_H__ |
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| 37 | #define __GENERIC_CHAR_MAP_H__ |
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| 38 | |||
| 39 | #include <unistd.h> |
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| 40 | |||
| 3886 | mejdrech | 41 | #include "../err.h" |
| 42 | |||
| 3666 | mejdrech | 43 | #include "char_map.h" |
| 44 | #include "generic_field.h" |
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| 45 | |||
| 46 | #define GENERIC_CHAR_MAP_MAGIC_VALUE 0x12345622 |
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| 47 | |||
| 3846 | mejdrech | 48 | #define GENERIC_CHAR_MAP_DECLARE( name, type ) \ |
| 49 | \ |
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| 50 | GENERIC_FIELD_DECLARE( name##_items, type ) \ |
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| 51 | \ |
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| 52 | typedef struct name name##_t; \ |
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| 53 | typedef name##_t * name##_ref; \ |
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| 54 | \ |
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| 55 | struct name{ \ |
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| 56 | char_map_t names; \ |
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| 57 | name##_items_t values; \ |
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| 58 | int magic; \ |
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| 59 | }; \ |
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| 60 | \ |
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| 61 | int name##_add( name##_ref map, const char * name, const size_t length, type * value ); \ |
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| 62 | int name##_count( name##_ref map ); \ |
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| 63 | void name##_destroy( name##_ref map ); \ |
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| 64 | void name##_exclude( name##_ref map, const char * name, const size_t length ); \ |
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| 65 | type * name##_find( name##_ref map, const char * name, const size_t length ); \ |
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| 66 | type * name##_get_index( name##_ref map, int index ); \ |
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| 67 | int name##_initialize( name##_ref map ); \ |
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| 3666 | mejdrech | 68 | int name##_is_valid( name##_ref map ); |
| 69 | |||
| 3846 | mejdrech | 70 | #define GENERIC_CHAR_MAP_IMPLEMENT( name, type ) \ |
| 71 | \ |
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| 72 | GENERIC_FIELD_IMPLEMENT( name##_items, type ) \ |
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| 73 | \ |
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| 74 | int name##_add( name##_ref map, const char * name, const size_t length, type * value ){ \ |
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| 75 | ERROR_DECLARE; \ |
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| 76 | \ |
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| 77 | int index; \ |
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| 78 | \ |
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| 79 | if( ! name##_is_valid( map )) return EINVAL; \ |
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| 80 | index = name##_items_add( & map->values, value ); \ |
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| 81 | if( index < 0 ) return index; \ |
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| 82 | if( ERROR_OCCURED( char_map_add( & map->names, name, length, index ))){ \ |
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| 83 | name##_items_exclude_index( & map->values, index ); \ |
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| 84 | return ERROR_CODE; \ |
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| 85 | } \ |
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| 86 | return EOK; \ |
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| 87 | } \ |
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| 88 | \ |
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| 89 | int name##_count( name##_ref map ){ \ |
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| 3666 | mejdrech | 90 | return name##_is_valid( map ) ? name##_items_count( & map->values ) : -1; \ |
| 3846 | mejdrech | 91 | } \ |
| 92 | \ |
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| 93 | void name##_destroy( name##_ref map ){ \ |
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| 94 | if( name##_is_valid( map )){ \ |
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| 95 | char_map_destroy( & map->names ); \ |
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| 96 | name##_items_destroy( & map->values ); \ |
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| 97 | } \ |
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| 98 | } \ |
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| 99 | \ |
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| 100 | void name##_exclude( name##_ref map, const char * name, const size_t length ){ \ |
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| 101 | if( name##_is_valid( map )){ \ |
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| 102 | int index; \ |
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| 103 | \ |
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| 104 | index = char_map_exclude( & map->names, name, length ); \ |
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| 105 | if( index != CHAR_MAP_NULL ){ \ |
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| 106 | name##_items_exclude_index( & map->values, index ); \ |
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| 107 | } \ |
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| 108 | } \ |
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| 109 | } \ |
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| 110 | \ |
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| 111 | type * name##_find( name##_ref map, const char * name, const size_t length ){ \ |
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| 112 | if( name##_is_valid( map )){ \ |
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| 113 | int index; \ |
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| 114 | \ |
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| 115 | index = char_map_find( & map->names, name, length ); \ |
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| 116 | if( index != CHAR_MAP_NULL ){ \ |
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| 117 | return name##_items_get_index( & map->values, index ); \ |
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| 118 | } \ |
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| 119 | } \ |
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| 120 | return NULL; \ |
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| 121 | } \ |
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| 122 | \ |
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| 123 | int name##_initialize( name##_ref map ){ \ |
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| 124 | if( ! map ) return EINVAL; \ |
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| 125 | char_map_initialize( & map->names ); \ |
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| 126 | name##_items_initialize( & map->values ); \ |
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| 127 | map->magic = GENERIC_CHAR_MAP_MAGIC_VALUE; \ |
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| 128 | return EOK; \ |
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| 129 | } \ |
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| 130 | \ |
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| 131 | int name##_is_valid( name##_ref map ){ \ |
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| 132 | return map && ( map->magic == GENERIC_CHAR_MAP_MAGIC_VALUE ); \ |
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| 3666 | mejdrech | 133 | } |
| 134 | |||
| 135 | #endif |
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| 136 | |||
| 137 | /** @} |
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| 138 | */ |