netcdf-c/oc2/ocuri.h

60 lines
2.0 KiB
C

/* Copyright 2009, UCAR/Unidata and OPeNDAP, Inc.
See the COPYRIGHT file for more information. */
#ifndef OCURI_H
#define OCURI_H
/*! This is an open structure meaning
it is ok to directly access its fields*/
typedef struct OCURI {
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 */
} OCURI;
extern int ocuriparse(const char* s, OCURI** ocuri);
extern void ocurifree(OCURI* ocuri);
/* Replace the constraints */
extern void ocurisetconstraints(OCURI*,const char* constraints);
/* Construct a complete OC URI; caller frees returned string */
/* Define flags to control what is included */
#define OCURICONSTRAINTS 1
#define OCURIUSERPWD 2
#define OCURIPREFIXPARAMS 4
#define OCURISUFFIXPARAMS 8
#define OCURIPARAMS OCURIPREFIXPARAMS
#define OCURIENCODE 16 /* If output should be encoded */
#define OCURISTD (OCURICONSTRAINTS|OCURIUSERPWD)
extern char* ocuribuild(OCURI*,const char* prefix, const char* suffix, int flags);
/* Param Management */
extern int ocuridecodeparams(OCURI* ocuri);
extern int ocurisetparams(OCURI* ocuri,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 ocurilookup(OCURI*, const char* param, const char** result);
extern char* ocuriencode(char* s, char* allowable);
extern char* ocuridecode(char* s);
extern char* ocuridecodeonly(char* s, char*);
#endif /*OCURI_H*/