324 lines
17 KiB
C
324 lines
17 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 COPYING file, which can be found at the root of the source code *
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* distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. *
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* If you do not have access to either file, you may request a copy from *
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* 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 "H5Pprivate.h" /* Property lists */
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#include "H5Tprivate.h" /* Datatypes */
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/* Forward references of package typedefs */
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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_pnt_list_t H5S_pnt_list_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_list_t *pnt_lst; /* Pointer to point list */
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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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hsize_t slab[H5S_MAX_RANK]; /* Cumulative size of each dimension in bytes */
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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 that have been "flattened")
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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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hsize_t loc_off[H5S_MAX_RANK]; /* Byte offset in buffer, for each dimension's current offset */
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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[H5S_MAX_RANK]; /* Dimensions of dataspace the selection is operating on */
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hssize_t sel_off[H5S_MAX_RANK]; /* Selection offset in dataspace */
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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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unsigned flags; /* Flags controlling iterator behavior */
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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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/* Selection iteration operator for internal library callbacks */
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typedef herr_t (*H5S_sel_iter_lib_op_t)(void *elem, const H5T_t *type,
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unsigned ndim, const hsize_t *point, void *op_data);
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/* Describe kind of callback to make */
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typedef enum H5S_sel_iter_op_type_t {
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H5S_SEL_ITER_OP_APP, /* Application callback */
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H5S_SEL_ITER_OP_LIB /* Library internal callback */
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} H5S_sel_iter_op_type_t;
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typedef struct H5S_sel_iter_app_op_t {
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H5D_operator_t op; /* Callback */
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hid_t type_id; /* Type ID to be passed to callback */
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} H5S_sel_iter_app_op_t;
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typedef struct H5S_sel_iter_op_t {
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H5S_sel_iter_op_type_t op_type;
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union {
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H5S_sel_iter_app_op_t app_op; /* Application callback */
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H5S_sel_iter_lib_op_t lib_op; /* Library internal callback */
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} u;
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} H5S_sel_iter_op_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_MODULE
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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_VALID(S) ((*(S)->select.type->is_valid)(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_ADJUST_S(S,O) ((*(S)->select.type->adjust_s)(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_GET_SEQ_LIST(ITER,MAXSEQ,MAXBYTES,NSEQ,NBYTES,OFF,LEN) ((*(ITER)->type->iter_get_seq_list)(ITER,MAXSEQ,MAXBYTES,NSEQ,NBYTES,OFF,LEN))
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#define H5S_SELECT_ITER_RELEASE(ITER) ((*(ITER)->type->iter_release)(ITER))
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#else /* H5S_MODULE */
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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_VALID(S) (H5S_select_valid(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_ADJUST_S(S,O) (H5S_select_adjust_s(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_GET_SEQ_LIST(ITER,MAXSEQ,MAXBYTES,NSEQ,NBYTES,OFF,LEN) (H5S_select_iter_get_seq_list(ITER,MAXSEQ,MAXBYTES,NSEQ,NBYTES,OFF,LEN))
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#define H5S_SELECT_ITER_RELEASE(ITER) (H5S_select_iter_release(ITER))
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#endif /* H5S_MODULE */
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/* Handle these 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_SHAPE_SAME(S1,S2) (H5S_select_shape_same(S1,S2))
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#define H5S_SELECT_INTERSECT_BLOCK(S,START,END) (H5S_select_intersect_block(S,START,END))
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#define H5S_SELECT_RELEASE(S) (H5S_select_release(S))
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#define H5S_SELECT_DESERIALIZE(S,BUF) (H5S_select_deserialize(S,BUF))
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/* Forward declaration of structs used below */
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struct H5O_t;
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struct H5O_loc_t;
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/* Early typedef to avoid circular dependencies */
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typedef struct H5S_t H5S_t;
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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, struct H5O_t *oh, unsigned update_flags, H5S_t *ds);
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H5_DLL herr_t H5S_append(H5F_t *f, struct H5O_t *oh, H5S_t *ds);
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H5_DLL H5S_t *H5S_read(const struct H5O_loc_t *loc);
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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 herr_t H5S_set_extent_simple(H5S_t *space, unsigned rank,
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const hsize_t *dims, const hsize_t *max);
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H5_DLL H5S_t *H5S_create(H5S_class_t type);
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H5_DLL herr_t H5S_get_validated_dataspace(hid_t space_id, const H5S_t **space/*out*/);
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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_version(H5F_t *f, H5S_t *ds);
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H5_DLL herr_t H5S_encode(H5S_t *obj, unsigned char **p, size_t *nalloc);
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H5_DLL H5S_t *H5S_decode(const unsigned char **p);
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H5_DLL herr_t H5S_debug(H5F_t *f, const void *_mesg, FILE *stream, int indent,
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int fwidth);
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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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H5_DLL herr_t H5S_extent_copy(H5S_t *dst, const H5S_t *src);
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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, const H5T_t *type, const H5S_t *space,
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const H5S_sel_iter_op_t *op, void *op_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 hsize_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 int H5S_get_select_unlim_dim(const H5S_t *space);
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H5_DLL herr_t H5S_get_select_num_elem_non_unlim(const H5S_t *space,
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hsize_t *num_elem_non_unlim);
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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 htri_t H5S_select_intersect_block(const H5S_t *space, const hsize_t *start,
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const hsize_t *end);
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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 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_adjust_s(H5S_t *space, const hssize_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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H5_DLL herr_t H5S_select_project_intersection(const H5S_t *src_space,
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const H5S_t *dst_space, const H5S_t *src_intersect_space,
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H5S_t **new_space_ptr, hbool_t share_space);
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H5_DLL herr_t H5S_select_subtract(H5S_t *space, H5S_t *subtract_space);
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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_combine_hyperslab(H5S_t *old_space, H5S_seloper_t op,
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const hsize_t start[], const hsize_t *stride, const hsize_t count[],
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const hsize_t *block, H5S_t **new_space);
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H5_DLL herr_t H5S_hyper_add_span_element(H5S_t *space, unsigned rank,
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const hsize_t *coords);
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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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H5_DLL herr_t H5S_hyper_clip_unlim(H5S_t *space, hsize_t clip_size);
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H5_DLL hsize_t H5S_hyper_get_clip_extent(const H5S_t *clip_space,
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const H5S_t *match_space, hbool_t incl_trail);
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H5_DLL hsize_t H5S_hyper_get_clip_extent_match(const H5S_t *clip_space,
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const H5S_t *match_space, hsize_t match_clip_size, hbool_t incl_trail);
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H5_DLL H5S_t *H5S_hyper_get_unlim_block(const H5S_t *space,
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hsize_t block_index);
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H5_DLL hsize_t H5S_hyper_get_first_inc_block(const H5S_t *space,
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hsize_t clip_size, hbool_t *partial);
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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,
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size_t elmt_size, unsigned flags);
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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_get_seq_list(H5S_sel_iter_t *iter, size_t maxseq,
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size_t maxbytes, size_t *nseq, size_t *nbytes, hsize_t *off, size_t *len);
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H5_DLL herr_t H5S_select_iter_release(H5S_sel_iter_t *sel_iter);
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H5_DLL herr_t H5S_sel_iter_close(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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