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/*
* Copyright (c) 2001-2002 Michael David Adams.
* All rights reserved.
*/
/* __START_OF_JASPER_LICENSE__
*
* JasPer License Version 2.0
*
* Copyright (c) 2001-2006 Michael David Adams
* Copyright (c) 1999-2000 Image Power, Inc.
* Copyright (c) 1999-2000 The University of British Columbia
*
* All rights reserved.
*
* Permission is hereby granted, free of charge, to any person (the
* "User") obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge,
* publish, distribute, and/or sell copies of the Software, and to permit
* persons to whom the Software is furnished to do so, subject to the
* following conditions:
*
* 1. The above copyright notices and this permission notice (which
* includes the disclaimer below) shall be included in all copies or
* substantial portions of the Software.
*
* 2. The name of a copyright holder shall not be used to endorse or
* promote products derived from the Software without specific prior
* written permission.
*
* THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS
* LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER
* THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS
* "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO
* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL
* INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING
* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE
* PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE
* THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY.
* EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS
* BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL
* PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS
* GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE
* ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE
* IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL
* SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES,
* AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL
* SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH
* THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH,
* PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH
* RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY
* EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES.
*
* __END_OF_JASPER_LICENSE__
*/
/*
* Tag/Value Parser
*
* $Id$
*/
#ifndef JAS_TVP_H
#define JAS_TVP_H
/******************************************************************************\
* Includes.
\******************************************************************************/
/* The configuration header file should be included first. */
#include <jasper/jas_config.h>
#ifdef __cplusplus
extern "C" {
#endif
/******************************************************************************\
* Types.
\******************************************************************************/
/* Tag information type. */
typedef struct {
int id;
/* The ID for the tag. */
char *name;
/* The name of the tag. */
} jas_taginfo_t;
/* Tag-value parser type. */
typedef struct {
char *buf;
/* The parsing buffer. */
char *tag;
/* The current tag name. */
char *val;
/* The current value. */
char *pos;
/* The current position in the parsing buffer. */
} jas_tvparser_t;
/******************************************************************************\
* Tag information functions.
\******************************************************************************/
/* Lookup a tag by name. */
JAS_DLLEXPORT jas_taginfo_t *jas_taginfos_lookup(jas_taginfo_t *taginfos, const char *name);
/* This function returns a pointer to the specified taginfo object if it
exists (i.e., the pointer is nonnull); otherwise, a pointer to a dummy
object is returned. This is useful in some situations to avoid checking
for a null pointer. */
JAS_DLLEXPORT jas_taginfo_t *jas_taginfo_nonull(jas_taginfo_t *taginfo);
/******************************************************************************\
* Tag-value parser functions.
\******************************************************************************/
/* Create a tag-value parser for the specified string. */
JAS_DLLEXPORT jas_tvparser_t *jas_tvparser_create(const char *s);
/* Destroy a tag-value parser. */
JAS_DLLEXPORT void jas_tvparser_destroy(jas_tvparser_t *tvparser);
/* Get the next tag-value pair. */
JAS_DLLEXPORT int jas_tvparser_next(jas_tvparser_t *tvparser);
/* Get the tag name for the current tag-value pair. */
JAS_DLLEXPORT char *jas_tvparser_gettag(jas_tvparser_t *tvparser);
/* Get the value for the current tag-value pair. */
JAS_DLLEXPORT char *jas_tvparser_getval(jas_tvparser_t *tvparser);
#ifdef __cplusplus
}
#endif
#endif
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