| 1 | /* Copyright 2009, UCAR/Unidata and OPeNDAP, Inc. |
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| 2 | See the COPYRIGHT file for more information. */ |
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| 3 | |
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| 4 | #ifndef OCNODE_H |
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| 5 | #define OCNODE_H |
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| 6 | |
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| 7 | /*! Specifies the Diminfo. */ |
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| 8 | /* Track info purely about declared dimensions. |
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| 9 | More information is included in the Dimdata structure (dim.h) |
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| 10 | */ |
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| 11 | typedef struct OCdiminfo { |
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| 12 | struct OCnode* array; /* defining array node (if known)*/ |
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| 13 | unsigned int arrayindex;/* rank position ofthis dimension in the array*/ |
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| 14 | ocindex_t declsize; /* from DDS*/ |
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| 15 | } OCdiminfo; |
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| 16 | |
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| 17 | /*! Specifies the Arrayinfo.*/ |
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| 18 | typedef struct OCarrayinfo { |
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| 19 | /* The complete set of dimension info applicable to this node*/ |
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| 20 | OClist* dimensions; |
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| 21 | /* convenience (because they are computed so often*/ |
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| 22 | unsigned int rank; /* == |dimensions|*/ |
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| 23 | } OCarrayinfo; |
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| 24 | |
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| 25 | /*! Specifies Attribute info */ |
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| 26 | typedef struct OCattribute { |
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| 27 | char* name; |
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| 28 | OCtype etype; /* type of the attribute */ |
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| 29 | size_t nvalues; |
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| 30 | char** values; /* |values| = nvalues*sizeof(char**)*/ |
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| 31 | } OCattribute; |
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| 32 | |
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| 33 | /*! Specifies the Attinfo.*/ |
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| 34 | /* This is the form as it comes out of the DAS parser*/ |
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| 35 | typedef struct OCattinfo { |
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| 36 | int isglobal; /* is this supposed to be a global attribute set?*/ |
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| 37 | OClist* values; /* oclist<char*>*/ |
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| 38 | } OCattinfo; |
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| 39 | |
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| 40 | /*! Specifies the OCnode. */ |
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| 41 | typedef struct OCnode { |
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| 42 | unsigned int magic; |
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| 43 | OCtype octype; |
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| 44 | OCtype etype; /* essentially the dap type from the dds*/ |
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| 45 | char* name; |
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| 46 | char* fullname; |
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| 47 | struct OCnode* container; /* this node is subnode of container */ |
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| 48 | struct OCnode* root; /* root node of tree containing this node */ |
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| 49 | struct OCtree* tree; /* !NULL iff this is a root node */ |
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| 50 | struct OCnode* datadds; /* correlated datadds node, if any */ |
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| 51 | OCdiminfo dim; /* octype == OC_Dimension*/ |
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| 52 | OCarrayinfo array; /* octype == {OC_Structure, OC_Primitive}*/ |
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| 53 | OCattinfo att; /* octype == OC_Attribute */ |
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| 54 | /* primary edge info*/ |
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| 55 | OClist* subnodes; /*oclist<OCnode*>*/ |
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| 56 | /*int attributed;*/ /* 1 if merge was done*/ |
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| 57 | OClist* attributes; /* oclist<OCattribute*>*/ |
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| 58 | struct OCSKIP {/* Support fast skipping ; in following, 0 => undefined */ |
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| 59 | ocindex_t count; /* no. instances (== dimension cross product); may be indeterminate*/ |
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| 60 | ocoffset_t instancesize;/*size of single instance; may be indeterminate*/ |
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| 61 | ocoffset_t totalsize; /* usually: count*instancesize + overhead; may be indeterminate */ |
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| 62 | ocoffset_t offset; /* mostly for debugging */ |
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| 63 | } skip; |
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| 64 | #ifdef OCIGNORE |
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| 65 | struct {/* do simple index cache */ |
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| 66 | int cacheable; /* is this object cacheable? */ |
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| 67 | int valid; /* is this cache valid */ |
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| 68 | ocindex_t index; /* last index */ |
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| 69 | ocoffset_t offset; /* position of the last indexed instance */ |
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| 70 | } cache; |
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| 71 | #endif |
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| 72 | } OCnode; |
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| 73 | |
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| 74 | #if SIZEOF_SIZE_T == 4 |
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| 75 | #define OCINDETERMINATE ((size_t)0xffffffff) |
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| 76 | #endif |
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| 77 | #if SIZEOF_SIZE_T == 8 |
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| 78 | #define OCINDETERMINATE ((size_t)0xffffffffffffffff) |
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| 79 | #endif |
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| 80 | |
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| 81 | #endif /*OCNODE_H*/ |
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