source: mainline/uspace/srv/net/structures/generic_char_map.h@ 21580dd

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 21580dd was 21580dd, checked in by Lukas Mejdrech <lukas@…>, 15 years ago

Merged with network branch ​svn://svn.helenos.org/HelenOS/branches/network revision 4759; ipc_share_* and ipc_data_* changed to async_*; client connection in module.c returns on IPC_M_PHONE_HUNGUP; * Qemu scripts renamed to net-qe.*; (the dp8390 does not respond)
  • Property mode set to 100644
File size: 5.7 KB
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1/*
2 * Copyright (c) 2009 Lukas Mejdrech
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup net
30 * @{
31 */
32
33/** @file
34 * Character string to generic type map.
35 */
36
37#ifndef __GENERIC_CHAR_MAP_H__
38#define __GENERIC_CHAR_MAP_H__
39
40#include <errno.h>
41#include <unistd.h>
42
43#include "../err.h"
44
45#include "char_map.h"
46#include "generic_field.h"
47
48/** Internal magic value for a&nbsp;map consistency check.
49 */
50#define GENERIC_CHAR_MAP_MAGIC_VALUE 0x12345622
51
52/** Character string to generic type map declaration.
53 * @param[in] name Name of the map.
54 * @param[in] type Inner object type.
55 */
56#define GENERIC_CHAR_MAP_DECLARE( name, type ) \
57 \
58GENERIC_FIELD_DECLARE( name##_items, type ) \
59 \
60typedef struct name name##_t; \
61typedef name##_t * name##_ref; \
62 \
63struct name{ \
64 char_map_t names; \
65 name##_items_t values; \
66 int magic; \
67}; \
68 \
69int name##_add( name##_ref map, const char * name, const size_t length, type * value ); \
70int name##_count( name##_ref map ); \
71void name##_destroy( name##_ref map ); \
72void name##_exclude( name##_ref map, const char * name, const size_t length ); \
73type * name##_find( name##_ref map, const char * name, const size_t length ); \
74int name##_initialize( name##_ref map ); \
75int name##_is_valid( name##_ref map );
76
77/** Character string to generic type map implementation.
78 * Should follow declaration with the same parameters.
79 * @param[in] name Name of the map.
80 * @param[in] type Inner object type.
81 */
82#define GENERIC_CHAR_MAP_IMPLEMENT( name, type ) \
83 \
84GENERIC_FIELD_IMPLEMENT( name##_items, type ) \
85 \
86int name##_add( name##_ref map, const char * name, const size_t length, type * value ){ \
87 ERROR_DECLARE; \
88 \
89 int index; \
90 \
91 if( ! name##_is_valid( map )) return EINVAL; \
92 index = name##_items_add( & map->values, value ); \
93 if( index < 0 ) return index; \
94 if( ERROR_OCCURRED( char_map_add( & map->names, name, length, index ))){ \
95 name##_items_exclude_index( & map->values, index ); \
96 return ERROR_CODE; \
97 } \
98 return EOK; \
99} \
100 \
101int name##_count( name##_ref map ){ \
102 return name##_is_valid( map ) ? name##_items_count( & map->values ) : -1; \
103} \
104 \
105void name##_destroy( name##_ref map ){ \
106 if( name##_is_valid( map )){ \
107 char_map_destroy( & map->names ); \
108 name##_items_destroy( & map->values ); \
109 } \
110} \
111 \
112void name##_exclude( name##_ref map, const char * name, const size_t length ){ \
113 if( name##_is_valid( map )){ \
114 int index; \
115 \
116 index = char_map_exclude( & map->names, name, length ); \
117 if( index != CHAR_MAP_NULL ){ \
118 name##_items_exclude_index( & map->values, index ); \
119 } \
120 } \
121} \
122 \
123type * name##_find( name##_ref map, const char * name, const size_t length ){ \
124 if( name##_is_valid( map )){ \
125 int index; \
126 \
127 index = char_map_find( & map->names, name, length ); \
128 if( index != CHAR_MAP_NULL ){ \
129 return name##_items_get_index( & map->values, index ); \
130 } \
131 } \
132 return NULL; \
133} \
134 \
135int name##_initialize( name##_ref map ){ \
136 ERROR_DECLARE; \
137 \
138 if( ! map ) return EINVAL; \
139 ERROR_PROPAGATE( char_map_initialize( & map->names )); \
140 if( ERROR_OCCURRED( name##_items_initialize( & map->values ))){ \
141 char_map_destroy( & map->names ); \
142 return ERROR_CODE; \
143 } \
144 map->magic = GENERIC_CHAR_MAP_MAGIC_VALUE; \
145 return EOK; \
146} \
147 \
148int name##_is_valid( name##_ref map ){ \
149 return map && ( map->magic == GENERIC_CHAR_MAP_MAGIC_VALUE ); \
150}
151
152#endif
153
154/** @}
155 */
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