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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* Copyright by the Board of Trustees of the University of Illinois. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the files COPYING and Copyright.html. COPYING can be found at the root *
* of the source code distribution tree; Copyright.html can be found at the *
* root level of an installed copy of the electronic HDF5 document set and *
* is linked from the top-level documents page. It can also be found at *
* http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *
* access to either file, you may request a copy from help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* This file contains private information about the H5Q module
*/
#ifndef _H5Qprivate_H
#define _H5Qprivate_H
/* Include package's public header */
#include "H5Qpublic.h"
/* Private headers needed by this file */
#include "H5Tprivate.h"
#include "H5Gprivate.h"
#include "H5Oprivate.h"
/**************************/
/* Library Private Macros */
/**************************/
/****************************/
/* Library Private Typedefs */
/****************************/
/* Data element */
typedef struct H5Q_data_elem_t {
H5T_t *type; /* type */
size_t type_size; /* type size */
void *value; /* value */
} H5Q_data_elem_t;
/* Attribute name */
typedef struct H5Q_attr_name_t {
char *name; /* name */
} H5Q_attr_name_t;
/* Link name */
typedef struct H5Q_link_name_t {
char *name; /* name */
} H5Q_link_name_t;
/* Query */
typedef struct H5Q_t H5Q_t;
/* Combine query */
typedef struct H5Q_combine_t {
H5Q_type_t type; /* type */
H5Q_combine_op_t op; /* op */
H5Q_t *l_query; /* left op query */
H5Q_t *r_query; /* right op query */
} H5Q_combine_t;
/* Select query */
typedef struct H5Q_select_t {
H5Q_type_t type; /* type */
H5Q_match_op_t match_op; /* match op */
union {
H5Q_data_elem_t data_elem;
H5Q_attr_name_t attr_name;
H5Q_link_name_t link_name;
} elem;
} H5Q_select_t;
/* Query */
struct H5Q_t {
hid_t query_id; /* ID of this query, allows to conveniently pass the ID to
* the indexing interface */
unsigned ref_count; /* ref count */
hbool_t is_combined;
union {
H5Q_select_t select;
H5Q_combine_t combine;
} query;
};
/*****************************/
/* Library Private Variables */
/*****************************/
/******************************/
/* Library Private Prototypes */
/******************************/
H5_DLL herr_t H5Q_init(void);
H5_DLL H5Q_t *H5Q_create(H5Q_type_t query_type, H5Q_match_op_t match_op, ...);
H5_DLL herr_t H5Q_close(H5Q_t *query);
H5_DLL H5Q_t *H5Q_combine(H5Q_t *query1, H5Q_combine_op_t combine_op, H5Q_t *query2);
H5_DLL herr_t H5Q_get_type(const H5Q_t *query, H5Q_type_t *query_type);
H5_DLL herr_t H5Q_get_match_op(const H5Q_t *query, H5Q_match_op_t *match_op);
H5_DLL herr_t H5Q_get_components(const H5Q_t *query, H5Q_t **sub_query1, H5Q_t **sub_query2);
H5_DLL herr_t H5Q_get_combine_op(const H5Q_t *query, H5Q_combine_op_t *op_type);
H5_DLL herr_t H5Q_encode(const H5Q_t *query, unsigned char *buf, size_t *nalloc);
H5_DLL H5Q_t *H5Q_decode(const unsigned char **buf);
/* Apply query */
H5_DLL herr_t H5Q_apply_atom(const H5Q_t *query, hbool_t *result, ...);
H5_DLL H5G_t *H5Q_apply(const H5G_loc_t *loc, hid_t loc_id, const H5Q_t *query, unsigned *result, hid_t vcpl_id);
H5_DLL H5G_t *H5Q_apply_multi(size_t loc_count, const H5G_loc_t *locs, hid_t *loc_ids, const H5Q_t *query, unsigned *result, hid_t vcpl_id);
#endif /* _H5Qprivate_H */
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