mirror of
https://github.com/HDFGroup/hdf5.git
synced 2025-02-17 16:10:24 +08:00
3550004b20
Revise dataspace encode/decode routines to make them work better with
future virtual dataset feature.
Tested on:
Mac OSX/64 10.10.2 (amazon) w/serial
(h5committest forthcoming)
282 lines
15 KiB
C
282 lines
15 KiB
C
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Copyright by The HDF Group. *
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* Copyright by the Board of Trustees of the University of Illinois. *
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* All rights reserved. *
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* *
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* This file is part of HDF5. The full HDF5 copyright notice, including *
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* terms governing use, modification, and redistribution, is contained in *
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* the files COPYING and Copyright.html. COPYING can be found at the root *
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* of the source code distribution tree; Copyright.html can be found at the *
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* root level of an installed copy of the electronic HDF5 document set and *
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* is linked from the top-level documents page. It can also be found at *
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* http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *
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* access to either file, you may request a copy from help@hdfgroup.org. *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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/*
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* This file contains private information about the H5S module
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*/
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#ifndef _H5Sprivate_H
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#define _H5Sprivate_H
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/* Include package's public header */
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#include "H5Spublic.h"
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/* Public headers needed by this file */
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#include "H5Dpublic.h" /* Datasets */
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/* Private headers needed by this file */
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#include "H5private.h" /* Generic Functions */
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#include "H5Fprivate.h" /* Files */
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#include "H5Gprivate.h" /* Groups */
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#include "H5Oprivate.h" /* Object headers */
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#include "H5Pprivate.h" /* Property lists */
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/* Flags for H5S_find */
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#define H5S_CONV_PAR_IO_POSSIBLE 0x0001
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/* The storage options are mutually exclusive */
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/* (2-bits reserved for storage type currently) */
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#define H5S_CONV_STORAGE_COMPACT 0x0000 /* i.e. '0' */
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#define H5S_CONV_STORAGE_CONTIGUOUS 0x0002 /* i.e. '1' */
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#define H5S_CONV_STORAGE_CHUNKED 0x0004 /* i.e. '2' */
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#define H5S_CONV_STORAGE_MASK 0x0006
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/* Flags for "get_seq_list" methods */
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#define H5S_GET_SEQ_LIST_SORTED 0x0001
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/* Forward references of package typedefs */
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typedef struct H5S_t H5S_t;
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typedef struct H5S_extent_t H5S_extent_t;
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typedef struct H5S_pnt_node_t H5S_pnt_node_t;
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typedef struct H5S_hyper_span_t H5S_hyper_span_t;
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typedef struct H5S_hyper_span_info_t H5S_hyper_span_info_t;
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/* Information about one dimension in a hyperslab selection */
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typedef struct H5S_hyper_dim_t {
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hsize_t start;
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hsize_t stride;
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hsize_t count;
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hsize_t block;
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} H5S_hyper_dim_t;
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/* Point selection iteration container */
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typedef struct {
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H5S_pnt_node_t *curr; /* Pointer to next node to output */
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} H5S_point_iter_t;
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/* Hyperslab selection iteration container */
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typedef struct {
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/* Common fields for all hyperslab selections */
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hsize_t off[H5S_MAX_RANK]; /* Offset in span node (used as position for regular hyperslabs) */
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unsigned iter_rank; /* Rank of iterator information */
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/* (This should always be the same as the dataspace
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* rank, except for regular hyperslab selections in
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* which there are contiguous regions in the lower
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* dimensions which have been "flattened" out
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*/
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hbool_t diminfo_valid; /* Whether the dimension information is valid */
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/* "Flattened" regular hyperslab selection fields */
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H5S_hyper_dim_t diminfo[H5S_MAX_RANK]; /* "Flattened" regular selection information */
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hsize_t size[H5S_MAX_RANK]; /* "Flattened" dataspace extent information */
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hssize_t sel_off[H5S_MAX_RANK]; /* "Flattened" selection offset information */
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hbool_t flattened[H5S_MAX_RANK]; /* Whether this dimension has been flattened */
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/* Irregular hyperslab selection fields */
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H5S_hyper_span_info_t *spans; /* Pointer to copy of the span tree */
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H5S_hyper_span_t *span[H5S_MAX_RANK];/* Array of pointers to span nodes */
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} H5S_hyper_iter_t;
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/* "All" selection iteration container */
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typedef struct {
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hsize_t elmt_offset; /* Next element to output */
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hsize_t byte_offset; /* Next byte to output */
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} H5S_all_iter_t;
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/* Forward declaration of selection iteration class */
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struct H5S_sel_iter_class_t;
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/* Selection iteration container */
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typedef struct H5S_sel_iter_t {
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/* Selection class */
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const struct H5S_sel_iter_class_t *type; /* Selection iteration class info */
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/* Information common to all iterators */
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unsigned rank; /* Rank of dataspace the selection iterator is operating on */
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hsize_t *dims; /* Dimensions of dataspace the selection is operating on */
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hsize_t elmt_left; /* Number of elements left to iterate over */
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size_t elmt_size; /* Size of elements to iterate over */
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/* Information specific to each type of iterator */
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union {
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H5S_point_iter_t pnt; /* Point selection iteration information */
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H5S_hyper_iter_t hyp; /* New Hyperslab selection iteration information */
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H5S_all_iter_t all; /* "All" selection iteration information */
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} u;
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} H5S_sel_iter_t;
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/* If the module using this macro is allowed access to the private variables, access them directly */
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#ifdef H5S_PACKAGE
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#define H5S_GET_EXTENT_TYPE(S) ((S)->extent.type)
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#define H5S_GET_EXTENT_NDIMS(S) ((S)->extent.rank)
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#define H5S_GET_EXTENT_NPOINTS(S) ((S)->extent.nelem)
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#define H5S_GET_SELECT_NPOINTS(S) ((S)->select.num_elem)
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#define H5S_GET_SELECT_TYPE(S) ((S)->select.type->type)
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#define H5S_SELECT_GET_SEQ_LIST(S,FLAGS,ITER,MAXSEQ,MAXBYTES,NSEQ,NBYTES,OFF,LEN) ((*(S)->select.type->get_seq_list)(S,FLAGS,ITER,MAXSEQ,MAXBYTES,NSEQ,NBYTES,OFF,LEN))
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#define H5S_SELECT_VALID(S) ((*(S)->select.type->is_valid)(S))
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#define H5S_SELECT_RELEASE(S) ((*(S)->select.type->release)(S))
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#define H5S_SELECT_SERIAL_SIZE(S) ((*(S)->select.type->serial_size)(S))
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#define H5S_SELECT_SERIALIZE(S,BUF) ((*(S)->select.type->serialize)(S,BUF))
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#define H5S_SELECT_BOUNDS(S,START,END) ((*(S)->select.type->bounds)(S,START,END))
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#define H5S_SELECT_OFFSET(S, OFFSET) ((*(S)->select.type->offset)(S, OFFSET))
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#define H5S_SELECT_IS_CONTIGUOUS(S) ((*(S)->select.type->is_contiguous)(S))
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#define H5S_SELECT_IS_SINGLE(S) ((*(S)->select.type->is_single)(S))
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#define H5S_SELECT_IS_REGULAR(S) ((*(S)->select.type->is_regular)(S))
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#define H5S_SELECT_ADJUST_U(S,O) ((*(S)->select.type->adjust_u)(S, O))
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#define H5S_SELECT_PROJECT_SCALAR(S,O) ((*(S)->select.type->project_scalar)(S, O))
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#define H5S_SELECT_PROJECT_SIMPLE(S,NS, O) ((*(S)->select.type->project_simple)(S, NS, O))
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#define H5S_SELECT_ITER_COORDS(ITER,COORDS) ((*(ITER)->type->iter_coords)(ITER,COORDS))
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#define H5S_SELECT_ITER_BLOCK(ITER,START,END) ((*(ITER)->type->iter_block)(ITER,START,END))
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#define H5S_SELECT_ITER_NELMTS(ITER) ((*(ITER)->type->iter_nelmts)(ITER))
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#define H5S_SELECT_ITER_HAS_NEXT_BLOCK(ITER) ((*(ITER)->type->iter_has_next_block)(ITER))
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#define H5S_SELECT_ITER_NEXT(ITER,NELEM)((*(ITER)->type->iter_next)(ITER,NELEM))
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#define H5S_SELECT_ITER_NEXT_BLOCK(ITER) ((*(ITER)->type->iter_next_block)(ITER))
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#define H5S_SELECT_ITER_RELEASE(ITER) ((*(ITER)->type->iter_release)(ITER))
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#else /* H5S_PACKAGE */
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#define H5S_GET_EXTENT_TYPE(S) (H5S_get_simple_extent_type(S))
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#define H5S_GET_EXTENT_NDIMS(S) (H5S_get_simple_extent_ndims(S))
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#define H5S_GET_EXTENT_NPOINTS(S) (H5S_get_simple_extent_npoints(S))
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#define H5S_GET_SELECT_NPOINTS(S) (H5S_get_select_npoints(S))
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#define H5S_GET_SELECT_TYPE(S) (H5S_get_select_type(S))
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#define H5S_SELECT_GET_SEQ_LIST(S,FLAGS,ITER,MAXSEQ,MAXBYTES,NSEQ,NBYTES,OFF,LEN) (H5S_select_get_seq_list(S,FLAGS,ITER,MAXSEQ,MAXBYTES,NSEQ,NBYTES,OFF,LEN))
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#define H5S_SELECT_VALID(S) (H5S_select_valid(S))
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#define H5S_SELECT_RELEASE(S) (H5S_select_release(S))
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#define H5S_SELECT_SERIAL_SIZE(S) (H5S_select_serial_size(S))
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#define H5S_SELECT_SERIALIZE(S,BUF) (H5S_select_serialize(S,BUF))
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#define H5S_SELECT_BOUNDS(S,START,END) (H5S_get_select_bounds(S,START,END))
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#define H5S_SELECT_OFFSET(S, OFFSET) (H5S_get_select_offset(S, OFFSET))
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#define H5S_SELECT_IS_CONTIGUOUS(S) (H5S_select_is_contiguous(S))
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#define H5S_SELECT_IS_SINGLE(S) (H5S_select_is_single(S))
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#define H5S_SELECT_IS_REGULAR(S) (H5S_select_is_regular(S))
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#define H5S_SELECT_ADJUST_U(S,O) (H5S_select_adjust_u(S, O))
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#define H5S_SELECT_PROJECT_SCALAR(S,O) (H5S_select_project_scalar)(S, O))
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#define H5S_SELECT_PROJECT_SIMPLE(S,NS,O) (H5S_select_project_simple)(S, NS, O))
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#define H5S_SELECT_ITER_COORDS(ITER,COORDS) (H5S_select_iter_coords(ITER,COORDS))
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#define H5S_SELECT_ITER_BLOCK(ITER,START,END) (H5S_select_iter_block(ITER,START,END))
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#define H5S_SELECT_ITER_NELMTS(ITER) (H5S_select_iter_nelmts(ITER))
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#define H5S_SELECT_ITER_HAS_NEXT_BLOCK(ITER) (H5S_select_iter_has_next_block(ITER))
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#define H5S_SELECT_ITER_NEXT(ITER,NELEM)(H5S_select_iter_next(ITER,NELEM))
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#define H5S_SELECT_ITER_NEXT_BLOCK(ITER) (H5S_select_iter_next_block(ITER))
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#define H5S_SELECT_ITER_RELEASE(ITER) (H5S_select_iter_release(ITER))
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#endif /* H5S_PACKAGE */
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/* Handle these two callbacks in a special way, since they have prologs that need to be executed */
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#define H5S_SELECT_COPY(DST,SRC,SHARE) (H5S_select_copy(DST,SRC,SHARE))
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#define H5S_SELECT_DESERIALIZE(S,BUF) (H5S_select_deserialize(S,BUF))
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/* Operations on dataspaces */
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H5_DLL H5S_t *H5S_copy(const H5S_t *src, hbool_t share_selection, hbool_t copy_max);
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H5_DLL herr_t H5S_close(H5S_t *ds);
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H5_DLL H5S_class_t H5S_get_simple_extent_type(const H5S_t *ds);
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H5_DLL hssize_t H5S_get_simple_extent_npoints(const H5S_t *ds);
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H5_DLL hsize_t H5S_get_npoints_max(const H5S_t *ds);
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H5_DLL hbool_t H5S_has_extent(const H5S_t *ds);
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H5_DLL int H5S_get_simple_extent_ndims(const H5S_t *ds);
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H5_DLL int H5S_get_simple_extent_dims(const H5S_t *ds, hsize_t dims[]/*out*/,
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hsize_t max_dims[]/*out*/);
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H5_DLL herr_t H5S_write(H5F_t *f, hid_t dxpl_id, H5O_t *oh, unsigned update_flags,
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H5S_t *ds);
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H5_DLL herr_t H5S_append(H5F_t *f, hid_t dxpl_id, struct H5O_t *oh, H5S_t *ds);
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H5_DLL H5S_t *H5S_read(const struct H5O_loc_t *loc, hid_t dxpl_id);
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H5_DLL htri_t H5S_set_extent(H5S_t *space, const hsize_t *size);
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H5_DLL herr_t H5S_set_extent_real(H5S_t *space, const hsize_t *size);
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H5_DLL H5S_t *H5S_create(H5S_class_t type);
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H5_DLL H5S_t *H5S_create_simple(unsigned rank, const hsize_t dims[/*rank*/],
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const hsize_t maxdims[/*rank*/]);
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H5_DLL herr_t H5S_set_latest_version(H5S_t *ds);
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H5_DLL herr_t H5S_debug(H5F_t *f, hid_t dxpl_id, const void *_mesg, FILE *stream,
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int indent, int fwidth);
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#ifndef H5_NO_DEPRECATED_SYMBOLS
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H5_DLL int H5S_extend(H5S_t *space, const hsize_t *size);
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#endif /* H5_NO_DEPRECATED_SYMBOLS */
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/* Operations on dataspace extents */
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H5_DLL hsize_t H5S_extent_nelem(const H5S_extent_t *ext);
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H5_DLL int H5S_extent_get_dims(const H5S_extent_t *ext, hsize_t dims[], hsize_t max_dims[]);
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H5_DLL htri_t H5S_extent_equal(const H5S_t *ds1, const H5S_t *ds2);
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/* Operations on selections */
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H5_DLL herr_t H5S_select_deserialize(H5S_t **space, const uint8_t **p);
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H5_DLL H5S_sel_type H5S_get_select_type(const H5S_t *space);
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H5_DLL herr_t H5S_select_iterate(void *buf, hid_t type_id, const H5S_t *space,
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H5D_operator_t op, void *operator_data);
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H5_DLL herr_t H5S_select_fill(const void *fill, size_t fill_size,
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const H5S_t *space, void *buf);
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H5_DLL htri_t H5S_select_valid(const H5S_t *space);
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H5_DLL hssize_t H5S_get_select_npoints(const H5S_t *space);
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H5_DLL herr_t H5S_get_select_bounds(const H5S_t *space, hsize_t *start, hsize_t *end);
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H5_DLL herr_t H5S_get_select_offset(const H5S_t *space, hsize_t *offset);
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H5_DLL herr_t H5S_select_offset(H5S_t *space, const hssize_t *offset);
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H5_DLL herr_t H5S_select_copy(H5S_t *dst, const H5S_t *src, hbool_t share_selection);
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H5_DLL htri_t H5S_select_shape_same(const H5S_t *space1, const H5S_t *space2);
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H5_DLL herr_t H5S_select_construct_projection(const H5S_t *base_space,
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H5S_t **new_space_ptr, unsigned new_space_rank, const void *buf,
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void const **adj_buf_ptr, hsize_t element_size);
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H5_DLL herr_t H5S_select_release(H5S_t *ds);
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H5_DLL herr_t H5S_select_get_seq_list(const H5S_t *space, unsigned flags,
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H5S_sel_iter_t *iter, size_t maxseq, size_t maxbytes,
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size_t *nseq, size_t *nbytes, hsize_t *off, size_t *len);
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H5_DLL hssize_t H5S_select_serial_size(const H5S_t *space);
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H5_DLL herr_t H5S_select_serialize(const H5S_t *space, uint8_t **p);
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H5_DLL htri_t H5S_select_is_contiguous(const H5S_t *space);
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H5_DLL htri_t H5S_select_is_single(const H5S_t *space);
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H5_DLL htri_t H5S_select_is_regular(const H5S_t *space);
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H5_DLL herr_t H5S_select_adjust_u(H5S_t *space, const hsize_t *offset);
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H5_DLL herr_t H5S_select_project_scalar(const H5S_t *space, hsize_t *offset);
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H5_DLL herr_t H5S_select_project_simple(const H5S_t *space, H5S_t *new_space, hsize_t *offset);
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/* Operations on all selections */
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H5_DLL herr_t H5S_select_all(H5S_t *space, hbool_t rel_prev);
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/* Operations on none selections */
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H5_DLL herr_t H5S_select_none(H5S_t *space);
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/* Operations on point selections */
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H5_DLL herr_t H5S_select_elements(H5S_t *space, H5S_seloper_t op,
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size_t num_elem, const hsize_t *coord);
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/* Operations on hyperslab selections */
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H5_DLL herr_t H5S_select_hyperslab (H5S_t *space, H5S_seloper_t op, const hsize_t start[],
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const hsize_t *stride, const hsize_t count[], const hsize_t *block);
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H5_DLL herr_t H5S_hyper_add_span_element(H5S_t *space, unsigned rank,
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hsize_t *coords);
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H5_DLL herr_t H5S_hyper_reset_scratch(H5S_t *space);
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H5_DLL herr_t H5S_hyper_convert(H5S_t *space);
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#ifdef LATER
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H5_DLL htri_t H5S_hyper_intersect (H5S_t *space1, H5S_t *space2);
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#endif /* LATER */
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H5_DLL htri_t H5S_hyper_intersect_block (H5S_t *space, hsize_t *start, hsize_t *end);
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H5_DLL herr_t H5S_hyper_adjust_s(H5S_t *space, const hssize_t *offset);
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H5_DLL htri_t H5S_hyper_normalize_offset(H5S_t *space, hssize_t *old_offset);
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H5_DLL herr_t H5S_hyper_denormalize_offset(H5S_t *space, const hssize_t *old_offset);
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/* Operations on selection iterators */
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H5_DLL herr_t H5S_select_iter_init(H5S_sel_iter_t *iter, const H5S_t *space, size_t elmt_size);
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H5_DLL herr_t H5S_select_iter_coords(const H5S_sel_iter_t *sel_iter, hsize_t *coords);
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H5_DLL hsize_t H5S_select_iter_nelmts(const H5S_sel_iter_t *sel_iter);
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H5_DLL herr_t H5S_select_iter_next(H5S_sel_iter_t *sel_iter, size_t nelem);
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H5_DLL herr_t H5S_select_iter_release(H5S_sel_iter_t *sel_iter);
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#ifdef H5_HAVE_PARALLEL
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H5_DLL herr_t H5S_mpio_space_type(const H5S_t *space, size_t elmt_size,
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/* out: */ MPI_Datatype *new_type,
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int *count,
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hbool_t *is_derived_type,
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hbool_t do_permute,
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hsize_t **permute_map,
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hbool_t * is_permuted);
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#endif /* H5_HAVE_PARALLEL */
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#endif /* _H5Sprivate_H */
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