You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
40 lines
1.1 KiB
40 lines
1.1 KiB
2 years ago
|
/* Copyright 2018, UCAR/Unidata and OPeNDAP, Inc.
|
||
|
|
See the COPYRIGHT file for more information. */
|
||
|
|
|
||
|
|
#ifndef OCCONSTRAINTS_H
|
||
|
|
#define OCCONSTRAINTS_H 1
|
||
|
|
|
||
|
|
/*! Specifies an OCslice. */
|
||
|
|
typedef struct OCslice {
|
||
|
|
size_t first;
|
||
|
|
size_t count;
|
||
|
|
size_t stride;
|
||
|
|
size_t stop; /* == first + count */
|
||
|
|
size_t declsize; /* from defining dimension, if any.*/
|
||
|
|
} OCslice;
|
||
|
|
|
||
|
|
/*! Specifies a form of path where each element can have a set of associated indices */
|
||
|
|
typedef struct OCpath {
|
||
|
|
NClist* names;
|
||
|
|
NClist* indexsets; /* oclist<oclist<Slice>> */
|
||
|
|
} OCpath;
|
||
|
|
|
||
|
|
/*! Specifies a ProjectionClause. */
|
||
|
|
typedef struct OCprojectionclause {
|
||
|
|
char* target; /* "variable name" as mentioned in the projection */
|
||
|
|
NClist* indexsets; /* oclist<oclist<OCslice>> */
|
||
|
|
struct OCnode* node; /* node with name matching target, if any. */
|
||
|
|
int gridconstraint; /* used only for testing purposes */
|
||
|
|
} OCprojectionclause;
|
||
|
|
|
||
|
|
/*! Selection is the node type for selection expression trees */
|
||
|
|
typedef struct OCselectionclause {
|
||
|
|
int op;
|
||
|
|
char* value;
|
||
|
|
struct OCselectionclause* lhs;
|
||
|
|
NClist* rhs;
|
||
|
|
} OCselectionclause;
|
||
|
|
|
||
|
|
|
||
|
|
#endif /*OCCONSTRAINTS_H*/
|