/* * Copyright (c) 2001-2002 Michael David Adams. * All rights reserved. *//* __START_OF_JASPER_LICENSE__ *  * JasPer License Version 2.0 *  * Copyright (c) 1999-2000 Image Power, Inc. * Copyright (c) 1999-2000 The University of British Columbia * Copyright (c) 2001-2003 Michael David Adams *  * 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.\******************************************************************************/#include <jasper/jas_config.h>#ifdef __cplusplusextern "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_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_taginfo_t *jas_taginfo_nonull(jas_taginfo_t *taginfo);/******************************************************************************\* Tag-value parser functions.\******************************************************************************//* Create a tag-value parser for the specified string. */jas_tvparser_t *jas_tvparser_create(const char *s);/* Destroy a tag-value parser. */void jas_tvparser_destroy(jas_tvparser_t *tvparser);/* Get the next tag-value pair. */int jas_tvparser_next(jas_tvparser_t *tvparser);/* Get the tag name for the current tag-value pair. */char *jas_tvparser_gettag(jas_tvparser_t *tvparser);/* Get the value for the current tag-value pair. */char *jas_tvparser_getval(jas_tvparser_t *tvparser);#ifdef __cplusplus}#endif#endif