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f1506d552e
* For URL paths, the new approach essentially centralizes all information
in the URL into the "#mode=" fragment key and uses that value
to determine the dispatcher for (most) URLs.
* The new approach has the following steps:
1. canonicalize the path if it is a URL.
2. use the mode= fragment key to determine the dispatcher
3. if dispatcher still not determined, then use the mode flags
argument to nc_open/nc_create to determine the dispatcher.
4. if the path points to something readable, attempt to read the
magic number at the front, and use that to determine the dispatcher.
this case may override all previous cases.
* Misc changes.
1. Update documentation
2. Moved some unit tests from libdispatch to unit_test directory.
3. Fixed use of wrong #ifdef macro in test_filter_reg.c
[I think this may fix an previously reported esupport query].
67 lines
2.2 KiB
C
67 lines
2.2 KiB
C
/*
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Copyright (c) 1998-2018 University Corporation for Atmospheric Research/Unidata
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See COPYRIGHT for license information.
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*/
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/*
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Common functionality for reading
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and accessing rc files (e.g. .daprc).
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*/
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#ifndef NCRC_H
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#define NCRC_H
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/* Need these support includes */
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#include "ncuri.h"
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#include "nclist.h"
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#include "ncbytes.h"
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typedef struct NCTriple {
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char* host; /* combined host:port */
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char* key;
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char* value;
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} NCTriple;
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/* collect all the relevant info around the rc file */
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typedef struct NCRCinfo {
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int ignore; /* if 1, then do not use any rc file */
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int loaded; /* 1 => already loaded */
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NClist* triples; /* the rc file triple store fields*/
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char* rcfile; /* specified rcfile; overrides anything else */
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} NCRCinfo;
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/* Collect global state info in one place */
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typedef struct NCRCglobalstate {
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int initialized;
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char* tempdir; /* track a usable temp dir */
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char* home; /* track $HOME for use in creating $HOME/.oc dir */
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NCRCinfo rcinfo; /* Currently only one rc file per session */
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} NCRCglobalstate;
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/* From drc.c */
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extern NCRCglobalstate* ncrc_getglobalstate(void);
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extern void ncrc_freeglobalstate(void);
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/* read and compile the rc file, if any */
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extern int NC_rcload(void);
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extern char* NC_rclookup(const char* key, const char* hostport);
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extern void NC_rcclear(NCRCinfo* info);
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extern int NC_set_rcfile(const char* rcfile);
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extern int NC_rcfile_insert(const char* key, const char* value, const char* hostport);
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/* Obtain the count of number of triples */
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extern size_t NC_rcfile_length(NCRCinfo*);
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/* Obtain the ith triple; return NULL if out of range */
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extern NCTriple* NC_rcfile_ith(NCRCinfo*,size_t);
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/* From dutil.c (Might later move to e.g. nc.h */
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extern int NC__testurl(const char* path, char** basenamep);
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extern int NC_isLittleEndian(void);
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extern char* NC_backslashEscape(const char* s);
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extern char* NC_backslashUnescape(const char* esc);
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extern char* NC_entityescape(const char* s);
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extern int NC_readfile(const char* filename, NCbytes* content);
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extern int NC_writefile(const char* filename, size_t size, void* content);
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extern char* NC_mktmp(const char* base);
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extern int NC_getmodelist(const char* url, NClist** modelistp);
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extern int NC_testmode(const char* path, const char* tag);
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#endif /*NCRC_H*/
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