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jas_tvp.h
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1/*
2 * Copyright (c) 2001-2002 Michael David Adams.
3 * All rights reserved.
4 */
5
6/* __START_OF_JASPER_LICENSE__
7 *
8 * JasPer License Version 2.0
9 *
10 * Copyright (c) 2001-2006 Michael David Adams
11 * Copyright (c) 1999-2000 Image Power, Inc.
12 * Copyright (c) 1999-2000 The University of British Columbia
13 *
14 * All rights reserved.
15 *
16 * Permission is hereby granted, free of charge, to any person (the
17 * "User") obtaining a copy of this software and associated documentation
18 * files (the "Software"), to deal in the Software without restriction,
19 * including without limitation the rights to use, copy, modify, merge,
20 * publish, distribute, and/or sell copies of the Software, and to permit
21 * persons to whom the Software is furnished to do so, subject to the
22 * following conditions:
23 *
24 * 1. The above copyright notices and this permission notice (which
25 * includes the disclaimer below) shall be included in all copies or
26 * substantial portions of the Software.
27 *
28 * 2. The name of a copyright holder shall not be used to endorse or
29 * promote products derived from the Software without specific prior
30 * written permission.
31 *
32 * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS
33 * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER
34 * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS
35 * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
36 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
37 * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO
38 * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL
39 * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING
40 * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
41 * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
42 * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE
43 * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE
44 * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY.
45 * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS
46 * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL
47 * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS
48 * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE
49 * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE
50 * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL
51 * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES,
52 * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL
53 * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH
54 * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH,
55 * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH
56 * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY
57 * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES.
58 *
59 * __END_OF_JASPER_LICENSE__
60 */
61
66
67#ifndef JAS_TVP_H
68#define JAS_TVP_H
69
70/******************************************************************************\
71* Includes.
72\******************************************************************************/
73
74/* The configuration header file should be included first. */
75#include <jasper/jas_config.h>
76
77#ifdef __cplusplus
78 extern "C" {
79#endif
80
85
86/******************************************************************************\
87* Types.
88\******************************************************************************/
89
94 typedef struct {
95
96 int id;
97 /* The ID for the tag. */
98
99 const char *name;
100 /* The name of the tag. */
101
102} jas_taginfo_t;
103
108 typedef struct {
109
110 char *buf;
111 /* The parsing buffer. */
112
113 char *tag;
114 /* The current tag name. */
115
116 const char *val;
117 /* The current value. */
118
119 char *pos;
120 /* The current position in the parsing buffer. */
121
122} jas_tvparser_t;
123
124/******************************************************************************\
125* Tag information functions.
126\******************************************************************************/
127
132JAS_ATTRIBUTE_PURE
133JAS_EXPORT
134 const jas_taginfo_t *jas_taginfos_lookup(const jas_taginfo_t *taginfos,
135 const char *name);
136
147JAS_ATTRIBUTE_PURE
148JAS_EXPORT
149 const jas_taginfo_t *jas_taginfo_nonull(const jas_taginfo_t *taginfo);
150
151/******************************************************************************\
152* Tag-value parser functions.
153\******************************************************************************/
154
159JAS_EXPORT
160 jas_tvparser_t *jas_tvparser_create(const char *s);
161
166JAS_EXPORT
167 void jas_tvparser_destroy(jas_tvparser_t *tvparser);
168
173JAS_EXPORT
174 int jas_tvparser_next(jas_tvparser_t *tvparser);
175
180JAS_ATTRIBUTE_PURE
181JAS_EXPORT
182 const char *jas_tvparser_gettag(const jas_tvparser_t *tvparser);
183
188JAS_ATTRIBUTE_PURE
189JAS_EXPORT
190 const char *jas_tvparser_getval(const jas_tvparser_t *tvparser);
191
195
196#ifdef __cplusplus
197}
198#endif
199
200#endif
jas_tvparser_destroy
JAS_EXPORT void jas_tvparser_destroy(jas_tvparser_t *tvparser)
Destroy a tag-value parser.
Definition jas_tvp.c:109
jas_taginfos_lookup
JAS_ATTRIBUTE_PURE JAS_EXPORT const jas_taginfo_t * jas_taginfos_lookup(const jas_taginfo_t *taginfos, const char *name)
Lookup a tag by name.
Definition jas_tvp.c:214
jas_tvparser_gettag
JAS_ATTRIBUTE_PURE JAS_EXPORT const char * jas_tvparser_gettag(const jas_tvparser_t *tvparser)
Get the tag name for the current tag-value pair.
Definition jas_tvp.c:198
jas_taginfo_nonull
JAS_ATTRIBUTE_PURE JAS_EXPORT const jas_taginfo_t * jas_taginfo_nonull(const jas_taginfo_t *taginfo)
Ensure a nonnull taginfo pointer.
Definition jas_tvp.c:230
jas_tvparser_next
JAS_EXPORT int jas_tvparser_next(jas_tvparser_t *tvparser)
Get the next tag-value pair.
Definition jas_tvp.c:122
jas_tvparser_create
JAS_EXPORT jas_tvparser_t * jas_tvparser_create(const char *s)
Create a tag-value parser for the specified string.
Definition jas_tvp.c:93
jas_tvparser_getval
JAS_ATTRIBUTE_PURE JAS_EXPORT const char * jas_tvparser_getval(const jas_tvparser_t *tvparser)
Get the value for the current tag-value pair.
Definition jas_tvp.c:204
jas_taginfo_t
Tag information type.
Definition jas_tvp.h:94
jas_tvparser_t
Tag-value parser type.
Definition jas_tvp.h:108