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https://github.com/Unidata/netcdf-c.git
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fec4cdb230
NCF-42: _Format attribute sometimes being ignored NCF-43: Fixed unsigned long long parsing. NCF-47: Make opendap code properly handle illegal names like "x.y" by supressing them NCF-49: check for uint type NCF-50: properly handle username:pwd embedded in urls.
176 lines
5.5 KiB
C
176 lines
5.5 KiB
C
#ifndef NC_NCGEN_H
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#define NC_NCGEN_H
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/*********************************************************************
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* Copyright 1993, UCAR/Unidata
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* See netcdf/COPYRIGHT file for copying and redistribution conditions.
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* $Header: /upc/share/CVS/netcdf-3/ncgen/ncgen.h,v 1.18 2010/06/01 15:34:53 ed Exp $
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*********************************************************************/
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#ifdef USE_NETCDF4
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#define CLASSICONLY 0
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#else
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#define CLASSICONLY 1
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#endif
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#define MAX_NC_ATTSIZE 20000 /* max size of attribute (for ncgen) */
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#define MAXTRST 5000 /* max size of string value (for ncgen) */
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/* Name of the root group,*/
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/* although prefix construction*/
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/* elides it.*/
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#define ROOTGROUPNAME "root"
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/* Define the possible classes of objects*/
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/* extend the NC_XXX values*/
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#define NC_GRP 100
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#define NC_DIM 101
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#define NC_VAR 102
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#define NC_ATT 103
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#define NC_TYPE 104
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#define NC_ECONST 105
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#define NC_FIELD 106
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#define NC_ARRAY 107
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#define NC_PRIM 108 /*Including NC_STRING */
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#define NC_STRUCT NC_COMPOUND /* alias */
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/* Extend nc types with generic fill value*/
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#define NC_FILLVALUE 31
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/* Must be a better way to do this */
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#ifndef INFINITE
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#define NANF (0.0f/0.0f)
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#define NAN (0.0/0.0)
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#define INFINITEF (1.0f/0.0f)
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#define NEGINFINITEF (-INFINITEF)
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#define INFINITE (1.0/0.0)
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#define NEGINFINITE (-INFINITEF)
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#endif
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/* nc_class is one of:
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NC_GRP NC_DIM NC_VAR NC_ATT NC_TYPE
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*/
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typedef nc_type nc_class;
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/* nc_subclass is one of:
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NC_PRIM NC_OPAQUE NC_ENUM
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NC_FIELD NC_VLEN NC_COMPOUND
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NC_ECONST NC_ARRAY NC_FILLVALUE
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*/
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typedef nc_type nc_subclass;
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/*
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Define data structure
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to hold special attribute values
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for a given variable.
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Global values are kept as
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various C global variables
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*/
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/* Define a bit set for indicating which*/
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/* specials were explicitly specified*/
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#define _STORAGE_FLAG 0x001
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#define _CHUNKSIZES_FLAG 0x002
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#define _FLETCHER32_FLAG 0x004
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#define _DEFLATE_FLAG 0x008
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#define _SHUFFLE_FLAG 0x010
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#define _ENDIAN_FLAG 0x020
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#define _NOFILL_FLAG 0x040
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#define _FILLVALUE_FLAG 0x080
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#define _FORMAT_FLAG 0x100
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struct Kvalues {
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char* name;
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int mode;
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};
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#define NKVALUES 16
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extern struct Kvalues legalkinds[NKVALUES];
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/* Note: non-variable specials (e.g. _Format) are not included in this struct*/
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typedef struct Specialdata {
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int flags;
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Datalist* _Fillvalue;
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int _Storage; /* NC_CHUNKED | NC_CONTIGUOUS*/
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size_t* _ChunkSizes; /* NULL => defaults*/
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int nchunks; /* |_Chunksize| ; 0 => not specified*/
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int _Fletcher32; /* 1=>fletcher32*/
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int _DeflateLevel; /* 0-9 => level*/
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int _Shuffle; /* 0 => false, 1 => true*/
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int _Endianness; /* 1 =>little, 2 => big*/
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int _Fill ; /* 0 => false, 1 => true WATCHOUT: this is inverse of NOFILL*/
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} Specialdata;
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/* Track a set of dimensions*/
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/* (Note: the netcdf type system is deficient here)*/
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typedef struct Dimset {
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int ndims;
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struct Symbol* dimsyms[NC_MAX_VAR_DIMS]; /* Symbol for dimension*/
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} Dimset;
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typedef struct Diminfo {
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int isconstant; /* separate constant from named dimension*/
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size_t unlimitedsize; /* if unlimited */
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size_t declsize; /* 0 => unlimited/unspecified*/
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} Diminfo;
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typedef struct Attrinfo {
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struct Symbol* var; /* NULL => global*/
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} Attrinfo;
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typedef struct Typeinfo {
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struct Symbol* basetype;
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int hasvlen; /* 1 => this type contains a vlen*/
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nc_type typecode;
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unsigned long offset; /* fields in struct*/
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unsigned long alignment;/* fields in struct*/
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Constant econst; /* for enum values*/
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Dimset dimset; /* for NC_VAR/NC_FIELD/NC_ATT*/
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size_t size; /* for opaque, compound, etc.*/
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size_t nelems; /* size in terms of # of datalist constants
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it takes to represent it */
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} Typeinfo;
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typedef struct Varinfo {
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int nattributes; /* |attributes|*/
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List* attributes; /* List<Symbol*>*/
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Specialdata special;
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} Varinfo;
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typedef struct Groupinfo {
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int is_root;
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struct Symbol* unlimiteddim;
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} Groupinfo;
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typedef struct Symbol { /* symbol table entry*/
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struct Symbol* next; /* Linked list of all defined symbols*/
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nc_class objectclass; /* NC_DIM|NC_VLEN|NC_OPAQUE...*/
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nc_class subclass; /* NC_STRUCT|...*/
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char* name;
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struct Symbol* ref; /* ptr to the symbol if is_ref is true*/
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struct Symbol* container; /* The group containing this symbol.*/
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/* for fields or enumids, it is*/
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/* the parent type.*/
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struct Symbol* location; /* current group when symbol was created*/
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List* subnodes; /* sublist for enum or struct or group*/
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int is_prefixed; /* prefix was specified (vs computed).*/
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List* prefix; /* List<Symbol*>*/
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struct Datalist* data; /* shared by variables and attributes*/
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/* Note that we cannot union these because some kinds of symbols*/
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/* use more than one part*/
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Typeinfo typ; /* type info for e.g. var, att, etc.*/
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Varinfo var;
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Attrinfo att;
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Diminfo dim;
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Groupinfo grp;
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/* Misc pieces of info*/
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int lineno; /* at point of creation*/
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int touched; /* for sorting*/
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int is_ref; /* separate name defs from refs*/
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char* lname; /* cached C or FORTRAN name*/
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int ncid; /* from netcdf API: varid, or dimid, or etc.*/
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} Symbol;
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#endif /*!NC_NCGEN_H*/
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