hdf5.git - Mirror from: https://github.com/HDFGroup/hdf5.git

	Commit message (Expand)	Author	Age	Files	Lines
*	[svn-r22170] Removed extraneous svn executable properties from non-executable...	Dana Robinson	2012-03-28	1	-0/+0

*	[svn-r16340] Description:	Frank Baker	2009-01-22	1	-1/+1

*	[svn-r12640]	Frank Baker	2006-09-04	1	-0/+16

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 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://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have * * access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ /* * 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" /* Flags to indicate special dataspace features are active */ #define H5S_VALID_MAX 0x01 #define H5S_VALID_PERM 0x02 /* * Dataspace extent information */ /* Extent container */ typedef struct { H5S_class_t type; /* Type of extent */ hsize_t nelem; /* Number of elements in extent */ unsigned rank; /* Number of dimensions */ hsize_t *size; /* Current size of the dimensions */ hsize_t *max; /* Maximum size of the dimensions */ } H5S_extent_t; /* * Dataspace selection information */ /* Node in point selection list (typedef'd in H5Sprivate.h) */ struct H5S_pnt_node_t { hsize_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 { hsize_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 & * to point to the last span in a * list during single element adds) */ struct H5S_hyper_span_t *head; /* Pointer to list of spans in next dimension down */ }; /* Information about new-style hyperslab selection */ typedef struct { hbool_t diminfo_valid; /* Whether the dataset has valid diminfo */ H5S_hyper_dim_t opt_diminfo[H5S_MAX_RANK]; /* per-dim selection info */ H5S_hyper_dim_t app_diminfo[H5S_MAX_RANK]; /* per-dim selection info */ /* 'opt_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 methods */ /* Method to copy a selection */ typedef herr_t (*H5S_sel_copy_func_t)(H5S_t *dst, const H5S_t *src, hbool_t share_selection); /* Method to retrieve a list of offset/length sequences for selection */ typedef herr_t (*H5S_sel_get_seq_list_func_t)(const H5S_t *space, unsigned flags, H5S_sel_iter_t *iter, size_t maxseq, size_t maxbytes, size_t *nseq, size_t *nbytes, hsize_t *off, size_t *len); /* Method to release current selection */ typedef herr_t (*H5S_sel_release_func_t)(H5S_t *space); /* Method to determine if current selection is valid for dataspace */ typedef htri_t (*H5S_sel_is_valid_func_t)(const H5S_t *space); /* Method to determine number of bytes required to store current selection */ typedef hssize_t (*H5S_sel_serial_size_func_t)(const H5S_t *space); /* Method to store current selection in "serialized" form (a byte sequence suitable for storing on disk) */ typedef herr_t (*H5S_sel_serialize_func_t)(const H5S_t *space, uint8_t *buf); /* Method to store create selection from "serialized" form (a byte sequence suitable for storing on disk) */ typedef herr_t (*H5S_sel_deserialize_func_t)(H5S_t *space, const uint8_t *buf); /* Method to determine to smallest n-D bounding box containing the current selection */ typedef herr_t (*H5S_sel_bounds_func_t)(const H5S_t *space, hsize_t *start, hsize_t *end); /* Method to determine if current selection is contiguous */ typedef htri_t (*H5S_sel_is_contiguous_func_t)(const H5S_t *space); /* Method to determine if current selection is a single block */ typedef htri_t (*H5S_sel_is_single_func_t)(const H5S_t *space); /* Method to determine if current selection is "regular" */ typedef htri_t (*H5S_sel_is_regular_func_t)(const H5S_t *space); /* Method to initialize iterator for current selection */ typedef herr_t (*H5S_sel_iter_init_func_t)(H5S_sel_iter_t *sel_iter, const H5S_t *space); /* Selection class information */ typedef struct { H5S_sel_type type; /* Type of selection (all, none, points or hyperslab) */ /* Methods */ H5S_sel_copy_func_t copy; /* Method to make a copy of a selection */ H5S_sel_get_seq_list_func_t get_seq_list; /* Method to retrieve a list of offset/length sequences for selection */ H5S_sel_release_func_t release; /* Method to release current selection */ H5S_sel_is_valid_func_t is_valid; /* Method to determine if current selection is valid for dataspace */ H5S_sel_serial_size_func_t serial_size; /* Method to determine number of bytes required to store current selection */ H5S_sel_serialize_func_t serialize; /* Method to store current selection in "serialized" form (a byte sequence suitable for storing on disk) */ H5S_sel_deserialize_func_t deserialize; /* Method to store create selection from "serialized" form (a byte sequence suitable for storing on disk) */ H5S_sel_bounds_func_t bounds; /* Method to determine to smallest n-D bounding box containing the current selection */ H5S_sel_is_contiguous_func_t is_contiguous; /* Method to determine if current selection is contiguous */ H5S_sel_is_single_func_t is_single; /* Method to determine if current selection is a single block */ H5S_sel_is_regular_func_t is_regular; /* Method to determine if current selection is "regular" */ H5S_sel_iter_init_func_t iter_init; /* Method to initialize iterator for current selection */ } H5S_select_class_t; /* Selection information object */ typedef struct { const H5S_select_class_t *type; /* Pointer to selection's class info */ hssize_t offset[H5S_MAX_RANK]; /* Offset within the extent */ 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 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 */ }; /* Selection iteration methods */ /* Method to retrieve the current coordinates of iterator for current selection */ typedef herr_t (*H5S_sel_iter_coords_func_t)(const H5S_sel_iter_t *iter, hsize_t *coords); /* Method to retrieve the current block of iterator for current selection */ typedef herr_t (*H5S_sel_iter_block_func_t)(const H5S_sel_iter_t *iter, hsize_t *start, hsize_t *end); /* Method to determine number of elements left in iterator for current selection */ typedef hsize_t (*H5S_sel_iter_nelmts_func_t)(const H5S_sel_iter_t *iter); /* Method to determine if there are more blocks left in the current selection */ typedef htri_t (*H5S_sel_iter_has_next_block_func_t)(const H5S_sel_iter_t *iter); /* Method to move selection iterator to the next element in the selection */ typedef herr_t (*H5S_sel_iter_next_func_t)(H5S_sel_iter_t *iter, size_t nelem); /* Method to move selection iterator to the next block in the selection */ typedef herr_t (*H5S_sel_iter_next_block_func_t)(H5S_sel_iter_t *iter); /* Method to release iterator for current selection */ typedef herr_t (*H5S_sel_iter_release_func_t)(H5S_sel_iter_t *iter); /* Selection iteration class */ typedef struct H5S_sel_iter_class_t { H5S_sel_type type; /* Type of selection (all, none, points or hyperslab) */ /* Methods on selections */ H5S_sel_iter_coords_func_t iter_coords; /* Method to retrieve the current coordinates of iterator for current selection */ H5S_sel_iter_block_func_t iter_block; /* Method to retrieve the current block of iterator for current selection */ H5S_sel_iter_nelmts_func_t iter_nelmts; /* Method to determine number of elements left in iterator for current selection */ H5S_sel_iter_has_next_block_func_t iter_has_next_block; /* Method to query if there is another block left in the selection */ H5S_sel_iter_next_func_t iter_next; /* Method to move selection iterator to the next element in the selection */ H5S_sel_iter_next_block_func_t iter_next_block; /* Method to move selection iterator to the next block in the selection */ H5S_sel_iter_release_func_t iter_release; /* Method to release iterator for current selection */ } H5S_sel_iter_class_t; /* * All selection class methods. */ H5_DLLVAR const H5S_select_class_t H5S_sel_all[1]; /* * Hyperslab selection class methods. */ H5_DLLVAR const H5S_select_class_t H5S_sel_hyper[1]; /* * None selection class methods. */ H5_DLLVAR const H5S_select_class_t H5S_sel_none[1]; /* * Pointer selection class methods. */ H5_DLLVAR const H5S_select_class_t H5S_sel_point[1]; /* Extent functions */ H5_DLL herr_t H5S_extent_release(H5S_extent_t *extent); H5_DLL herr_t H5S_extent_copy(H5S_extent_t *dst, const H5S_extent_t *src); /* Operations on selections */ /* Testing functions */ #ifdef H5S_TESTING H5_DLL htri_t H5S_select_shape_same_test(hid_t sid1, hid_t sid2); H5_DLL htri_t H5S_get_rebuild_status_test(hid_t space_id); #endif /* H5S_TESTING */ #endif /*_H5Spkg_H*/