/* * Copyright (C) 2000 NCSA * All rights reserved. * * Programmer: Quincey Koziol * 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 /* * 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); __DLL__ herr_t H5S_point_select_fill(const void *fill, size_t fill_size, H5S_t *space, void *buf); /* "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__ herr_t H5S_all_select_fill(const void *fill, size_t fill_size, H5S_t *space, void *buf); __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); __DLL__ herr_t H5S_hyper_select_fill(const void *fill, size_t fill_size, H5S_t *space, void *buf); /* "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