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/*********************************************************************
* Copyright 2010, UCAR/Unidata
* See netcdf/COPYRIGHT file for copying and redistribution conditions.
*********************************************************************/
/* $Id$ */
/* $Header$ */
#ifndef NC_URL_H
#define NC_URL_H
#include "nclist.h"
/*! This is an open structure meaning
it is ok to directly access its fields*/
typedef struct NC_URL {
char* url; /* as passed by the caller */
char* base; /*!< without constraints*/
char* protocol;
char* constraint;
char* projection; /*!< without leading '?'*/
char* selection; /*!< with leading '&'*/
char* params;
NClist* parammap;
} NC_URL;
extern int nc_urlparse(const char* s, NC_URL**);
extern void nc_urlfree(NC_URL* nc_url);
/* Replace the constraints */
extern void nc_urlsetconstraints(NC_URL*,const char* constraints);
/* Replace the protocol */
extern void nc_urlsetprotocol(NC_URL*,const char* newprotocol);
/* Construct a complete URL; caller frees returned string */
extern char* nc_urlgeturl(NC_URL*,const char* prefix, const char* suffix, int withconstraints);
extern int nc_urldecodeparams(NC_URL* nc_url);
/*! NULL result => entry not found.
Empty value should be represented as a zero length list */
extern NClist* nc_urllookup(NC_URL*, const char* clientparam);
/* Convenience: search a list for a given string; NULL if not found */
extern const char* nc_urllookupvalue(NClist* list, const char* value);
#endif /*NC_URL_H*/
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