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/*
* Copyright (C) 2000 NCSA
* All rights reserved.
*
* Programmer: Quincey Koziol <koziol@ncsa.uiuc.edu>
* Thursday, September 28, 2000
*
* Purpose: This file contains declarations which are visible only within
* the H5S package. Source files outside the H5S package should
* include H5Sprivate.h instead.
*/
#ifndef H5S_PACKAGE
#error "Do not include this file outside the H5S package!"
#endif
#ifndef _H5Spkg_H
#define _H5Spkg_H
#include <H5Sprivate.h>
/*
* Dataspace extent information
*/
/* Simple extent container */
typedef struct H5S_simple_t {
unsigned rank; /* Number of dimensions */
hsize_t *size; /* Current size of the dimensions */
hsize_t *max; /* Maximum size of the dimensions */
#ifdef LATER
hsize_t *perm; /* Dimension permutation array */
#endif /* LATER */
} H5S_simple_t;
/* Extent container */
typedef struct {
H5S_class_t type; /* Type of extent */
union {
H5S_simple_t simple; /* Simple dimensionality information */
} u;
} H5S_extent_t;
/*
* Dataspace selection information
*/
/* Node in point selection list (typedef'd in H5Sprivate.h) */
struct H5S_pnt_node_t {
hssize_t *pnt; /* Pointer to a selected point */
struct H5S_pnt_node_t *next; /* pointer to next point in list */
};
/* Information about point selection list */
typedef struct {
H5S_pnt_node_t *head; /* Pointer to head of point list */
} H5S_pnt_list_t;
/* Information about new-style hyperslab spans */
/* Information a particular hyperslab span */
struct H5S_hyper_span_t {
hssize_t low, high; /* Low & high bounds of span */
hsize_t nelem; /* Number of elements in span (only needed during I/O) */
hsize_t pstride; /* Pseudo-stride from start of previous span (only used during I/O) */
struct H5S_hyper_span_info_t *down; /* Pointer to list of spans in next dimension down */
struct H5S_hyper_span_t *next; /* Pointer to next span in list */
};
/* Information about a list of hyperslab spans */
struct H5S_hyper_span_info_t {
unsigned count; /* Ref. count of number of spans which share this span */
struct H5S_hyper_span_info_t *scratch; /* Scratch pointer (used during copies & as mark during precomputes for I/O) */
struct H5S_hyper_span_t *head; /* Pointer to list of spans in next dimension down */
};
/* Information about one dimension in a hyperslab selection */
typedef struct {
hssize_t start;
hsize_t stride;
hsize_t count;
hsize_t block;
} H5S_hyper_dim_t;
/* Information about new-style hyperslab selection */
typedef struct {
H5S_hyper_dim_t *diminfo; /* ->[rank] of per-dim selection info */
/* diminfo only points to one array, which holds the information
* for one hyperslab selection. Perhaps this might need to be
* expanded into a list of arrays when the H5Sselect_hyperslab's
* restriction to H5S_SELECT_SET is removed. */
H5S_hyper_dim_t *app_diminfo;/* ->[rank] of per-dim selection info */
/* 'diminfo' points to a [potentially] optimized version of the user's
* hyperslab information. 'app_diminfo' points to the actual parameters
* that the application used for setting the hyperslab selection. These
* are only used for re-gurgitating the original values used to set the
* hyperslab to the application when it queries the hyperslab selection
* information. */
H5S_hyper_span_info_t *span_lst; /* List of hyperslab span information */
} H5S_hyper_sel_t;
/* Selection information container */
typedef struct {
H5S_sel_type type; /* Type of selection (list of points or hyperslabs) */
hssize_t *offset; /* Offset within the extent (NULL means a 0 offset) */
hsize_t *order; /* Selection order. (NULL means a specific ordering of points) */
hsize_t num_elem; /* Number of elements in selection */
union {
H5S_pnt_list_t *pnt_lst; /* List of selected points (order is important) */
H5S_hyper_sel_t hslab; /* Info about new-style hyperslab selections */
} sel_info;
} H5S_select_t;
/* Main dataspace structure (typedef'd in H5Sprivate.h) */
struct H5S_t {
H5S_extent_t extent; /* Dataspace extent */
H5S_select_t select; /* Dataspace selection */
};
__DLL__ herr_t H5S_close_simple(H5S_simple_t *simple);
__DLL__ herr_t H5S_release_simple(H5S_simple_t *simple);
__DLL__ herr_t H5S_extent_copy(H5S_extent_t *dst, const H5S_extent_t *src);
__DLL__ herr_t H5S_register(H5S_sel_type cls, const H5S_fconv_t *fconv,
const H5S_mconv_t *mconv);
/* Point select functions */
__DLL__ herr_t H5S_point_add(H5S_t *space, H5S_seloper_t op, size_t num_elem,
const hssize_t **coord);
__DLL__ herr_t H5S_point_release(H5S_t *space);
__DLL__ hsize_t H5S_point_npoints(const H5S_t *space);
__DLL__ herr_t H5S_point_copy(H5S_t *dst, const H5S_t *src);
__DLL__ htri_t H5S_point_select_valid(const H5S_t *space);
__DLL__ hssize_t H5S_point_select_serial_size(const H5S_t *space);
__DLL__ herr_t H5S_point_select_serialize(const H5S_t *space, uint8_t *buf);
__DLL__ herr_t H5S_point_select_deserialize(H5S_t *space, const uint8_t *buf);
__DLL__ herr_t H5S_point_bounds(H5S_t *space, hsize_t *start, hsize_t *end);
__DLL__ htri_t H5S_point_select_contiguous(const H5S_t *space);
__DLL__ htri_t H5S_point_select_single(const H5S_t *space);
__DLL__ htri_t H5S_point_select_regular(const H5S_t *space);
__DLL__ herr_t H5S_select_elements (H5S_t *space, H5S_seloper_t op,
size_t num_elem, const hssize_t **coord);
__DLL__ herr_t H5S_point_select_iterate(void *buf, hid_t type_id, H5S_t *space,
H5D_operator_t op, void *operator_data);
/* "All" select functions */
__DLL__ herr_t H5S_all_release(H5S_t *space);
__DLL__ hsize_t H5S_all_npoints(const H5S_t *space);
__DLL__ herr_t H5S_all_select_serialize(const H5S_t *space, uint8_t *buf);
__DLL__ herr_t H5S_all_select_deserialize(H5S_t *space, const uint8_t *buf);
__DLL__ herr_t H5S_all_bounds(H5S_t *space, hsize_t *start, hsize_t *end);
__DLL__ herr_t H5S_all_read(H5F_t *f, const struct H5O_layout_t *layout,
const struct H5O_pline_t *pline,
const struct H5O_fill_t *fill,
const struct H5O_efl_t *efl, size_t elmt_size,
const H5S_t *file_space, const H5S_t *mem_space,
hid_t dxpl_id, void *buf/*out*/);
__DLL__ herr_t H5S_all_write(H5F_t *f, const struct H5O_layout_t *layout,
const struct H5O_pline_t *pline,
const struct H5O_fill_t *fill,
const struct H5O_efl_t *efl, size_t elmt_size,
const H5S_t *file_space, const H5S_t *mem_space,
hid_t dxpl_id, const void *buf);
__DLL__ herr_t H5S_all_select_iterate(void *buf, hid_t type_id, H5S_t *space,
H5D_operator_t op, void *operator_data);
__DLL__ htri_t H5S_all_opt_possible(const H5S_t *mem_space,
const H5S_t *file_space, const unsigned flags);
/* Hyperslab selection functions */
__DLL__ herr_t H5S_hyper_release(H5S_t *space);
__DLL__ herr_t H5S_hyper_sel_iter_release(H5S_sel_iter_t *sel_iter);
__DLL__ hsize_t H5S_hyper_npoints(const H5S_t *space);
__DLL__ herr_t H5S_hyper_copy(H5S_t *dst, const H5S_t *src);
__DLL__ htri_t H5S_hyper_select_valid(const H5S_t *space);
__DLL__ hssize_t H5S_hyper_select_serial_size(const H5S_t *space);
__DLL__ herr_t H5S_hyper_select_serialize(const H5S_t *space, uint8_t *buf);
__DLL__ herr_t H5S_hyper_select_deserialize(H5S_t *space, const uint8_t *buf);
__DLL__ hssize_t H5S_hyper_span_nblocks(H5S_hyper_span_info_t *spans);
__DLL__ herr_t H5S_hyper_span_blocklist(H5S_hyper_span_info_t *spans, hssize_t start[], hssize_t end[], hsize_t rank, hsize_t *startblock, hsize_t *numblocks, hsize_t **buf);
__DLL__ herr_t H5S_hyper_bounds(H5S_t *space, hsize_t *start, hsize_t *end);
__DLL__ htri_t H5S_hyper_select_contiguous(const H5S_t *space);
__DLL__ htri_t H5S_hyper_select_single(const H5S_t *space);
__DLL__ htri_t H5S_hyper_select_regular(const H5S_t *space);
__DLL__ herr_t H5S_hyper_select_iterate(void *buf, hid_t type_id, H5S_t *space,
H5D_operator_t op, void *operator_data);
/* "None" selection functions */
__DLL__ herr_t H5S_select_none(H5S_t *space);
__DLL__ herr_t H5S_none_select_serialize(const H5S_t *space, uint8_t *buf);
__DLL__ herr_t H5S_none_select_deserialize(H5S_t *space, const uint8_t *buf);
__DLL__ herr_t H5S_none_select_iterate(void *buf, hid_t type_id, H5S_t *space,
H5D_operator_t op, void *operator_data);
#endif
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