netcdf-c/include/ncuri.h

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/* Copyright 2009, UCAR/Unidata and OPeNDAP, Inc.
See the COPYRIGHT file for more information. */
#ifndef NCURI_H
#define NCURI_H
/*! This is an open structure meaning
it is ok to directly access its fields*/
typedef struct NCURI {
char* uri; /* as passed by the caller */
char* params; /* all params */
char** paramlist; /*!<null terminated list */
char* constraint; /*!< projection+selection */
char* projection; /*!< without leading '?'*/
char* selection; /*!< with leading '&'*/
char* strings; /* first char of strings is always '\0' */
/* Following all point into the strings field */
char* protocol;
char* user; /* from user:password@ */
char* password; /* from user:password@ */
char* host; /*!< host*/
char* port; /*!< host */
char* file; /*!< file */
} NCURI;
extern int ncuriparse(const char* s, NCURI** ncuri);
extern void ncurifree(NCURI* ncuri);
/* Replace the constraints */
extern void ncurisetconstraints(NCURI*,const char* constraints);
/* Construct a complete NC URI; caller frees returned string */
/* Define flags to control what is included */
#define NCURICONSTRAINTS 1
#define NCURIUSERPWD 2
#define NCURIPREFIXPARAMS 4
#define NCURISUFFIXPARAMS 8
#define NCURIPARAMS NCURIPREFIXPARAMS
#define NCURIENCODE 16 /* If output should be encoded */
#define NCURISTD (NCURICONSTRAINTS|NCURIUSERPWD)
extern char* ncuribuild(NCURI*,const char* prefix, const char* suffix, int flags);
/* Param Management */
extern int ncuridecodeparams(NCURI* ncuri);
extern int ncurisetparams(NCURI* ncuri,const char*);
/*! 0 result => entry not found; 1=>found; result holds value (may be null).
In any case, the result is imutable and should not be free'd.
*/
extern int ncurilookup(NCURI*, const char* param, const char** result);
extern char* ncuriencode(char* s, char* allowable);
extern char* ncuridecode(char* s);
extern char* ncuridecodeonly(char* s, char*);
#endif /*NCURI_H*/