diff options
Diffstat (limited to 'src/H5Sprivate.h')
| -rw-r--r-- | src/H5Sprivate.h | 78 |
1 files changed, 59 insertions, 19 deletions
diff --git a/src/H5Sprivate.h b/src/H5Sprivate.h index e6619a4..6ca9802 100644 --- a/src/H5Sprivate.h +++ b/src/H5Sprivate.h @@ -51,17 +51,16 @@ typedef struct H5S_pnt_node_t H5S_pnt_node_t; typedef struct H5S_hyper_span_t H5S_hyper_span_t; typedef struct H5S_hyper_span_info_t H5S_hyper_span_info_t; typedef struct H5S_hyper_dim_t H5S_hyper_dim_t; +union H5D_storage_t; /* Point selection iteration container */ typedef struct { - hsize_t elmt_left; /* Number of elements left to iterate over */ H5S_pnt_node_t *curr; /* Pointer to next node to output */ } H5S_point_iter_t; -/* New Hyperslab selection iteration container */ +/* Hyperslab selection iteration container */ typedef struct { /* Common fields for all hyperslab selections */ - hsize_t elmt_left; /* Number of elements left to iterate over */ hssize_t *off; /* Offset in span node (used as position for regular hyperslabs) */ unsigned iter_rank; /* Rank of iterator information */ /* (This should always be the same as the dataspace @@ -82,16 +81,40 @@ typedef struct { /* "All" selection iteration container */ typedef struct { - hsize_t elmt_left; /* Number of elements left to iterate over */ hsize_t offset; /* Next element to output */ } H5S_all_iter_t; +typedef struct H5S_sel_iter_t H5S_sel_iter_t; + +/* 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, hssize_t *coords); +/* 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 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 release iterator for current selection */ +typedef herr_t (*H5S_sel_iter_release_func_t)(H5S_sel_iter_t *iter); + /* Selection iteration container */ -typedef union { - H5S_point_iter_t pnt; /* Point selection iteration information */ - H5S_hyper_iter_t hyp; /* New Hyperslab selection iteration information */ - H5S_all_iter_t all; /* "All" selection iteration information */ -} H5S_sel_iter_t; +struct H5S_sel_iter_t { + /* Information common to all iterators */ + unsigned rank; /* Rank of dataspace the selection iterator is operating on */ + hsize_t *dims; /* Dimensions of dataspace the selection is operating on */ + hsize_t elmt_left; /* Number of elements left to iterate over */ + + /* Information specific to each type of iterator */ + union { + H5S_point_iter_t pnt; /* Point selection iteration information */ + H5S_hyper_iter_t hyp; /* New Hyperslab selection iteration information */ + H5S_all_iter_t all; /* "All" selection iteration information */ + } u; + + /* 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_nelmts_func_t iter_nelmts; /* Method to determine number of elements left in iterator for current selection */ + H5S_sel_iter_next_func_t iter_next; /* Method to move selection iterator to the next element in the selection */ + H5S_sel_iter_release_func_t iter_release; /* Method to release iterator for current selection */ +}; typedef struct H5S_conv_t { H5S_sel_type ftype; @@ -105,14 +128,14 @@ typedef struct H5S_conv_t { /* Read from file to application w/o intermediate scratch buffer */ herr_t (*read)(H5F_t *f, const struct H5O_layout_t *layout, - H5P_genplist_t *dc_plist, const H5O_efl_t *efl, + H5P_genplist_t *dc_plist, const union H5D_storage_t *store, size_t elmt_size, const H5S_t *file_space, const H5S_t *mem_space, hid_t dxpl_id, void *buf/*out*/); /* Write directly from app buffer to file */ herr_t (*write)(H5F_t *f, struct H5O_layout_t *layout, - H5P_genplist_t *dc_plist, const H5O_efl_t *efl, + H5P_genplist_t *dc_plist, const union H5D_storage_t *store, size_t elmt_size, const H5S_t *file_space, const H5S_t *mem_space, hid_t dxpl_id, const void *buf); @@ -161,7 +184,7 @@ H5_DLL htri_t H5S_is_simple(const H5S_t *sdim); H5_DLL herr_t H5S_extent_release(H5S_t *space); H5_DLL int H5S_extend(H5S_t *space, const hsize_t *size); H5_DLL int H5S_set_extent(H5S_t *space, const hsize_t *size); -H5_DLL H5S_t *H5S_create_simple(int rank, const hsize_t dims[/*rank*/], +H5_DLL H5S_t *H5S_create_simple(unsigned rank, const hsize_t dims[/*rank*/], const hsize_t maxdims[/*rank*/]); H5_DLL herr_t H5S_debug(H5F_t *f, hid_t dxpl_id, const void *_mesg, FILE *stream, int indent, int fwidth); @@ -169,17 +192,18 @@ H5_DLL herr_t H5S_debug(H5F_t *f, hid_t dxpl_id, const void *_mesg, FILE *stream /* Operations on selections */ H5_DLL herr_t H5S_select_copy(H5S_t *dst, const H5S_t *src); H5_DLL herr_t H5S_select_deserialize(H5S_t *space, const uint8_t *buf); +H5_DLL H5S_sel_type H5S_get_select_type(const H5S_t *space); H5_DLL htri_t H5S_select_shape_same(const H5S_t *space1, const H5S_t *space2); -H5_DLL herr_t H5S_select_iterate(void *buf, hid_t type_id, H5S_t *space, +H5_DLL herr_t H5S_select_iterate(void *buf, hid_t type_id, const H5S_t *space, H5D_operator_t op, void *operator_data); H5_DLL herr_t H5S_select_fill(void *fill, size_t fill_size, const H5S_t *space, void *buf); H5_DLL herr_t H5S_select_fscat (H5F_t *f, struct H5O_layout_t *layout, - H5P_genplist_t *dc_plist, const H5O_efl_t *efl, size_t elmt_size, + H5P_genplist_t *dc_plist, const union H5D_storage_t *store, size_t elmt_size, const H5S_t *file_space, H5S_sel_iter_t *file_iter, hsize_t nelmts, hid_t dxpl_id, const void *_buf); H5_DLL hsize_t H5S_select_fgath (H5F_t *f, const struct H5O_layout_t *layout, - H5P_genplist_t *dc_plist, const H5O_efl_t *efl, size_t elmt_size, + H5P_genplist_t *dc_plist, const union H5D_storage_t *store, size_t elmt_size, const H5S_t *file_space, H5S_sel_iter_t *file_iter, hsize_t nelmts, hid_t dxpl_id, void *buf); H5_DLL herr_t H5S_select_mscat (const void *_tscat_buf, size_t elmt_size, @@ -189,19 +213,35 @@ H5_DLL hsize_t H5S_select_mgath (const void *_buf, size_t elmt_size, const H5S_t *space, H5S_sel_iter_t *iter, hsize_t nelmts, hid_t dxpl_id, void *_tgath_buf/*out*/); H5_DLL herr_t H5S_select_read(H5F_t *f, const struct H5O_layout_t *layout, - H5P_genplist_t *dc_plist, const H5O_efl_t *efl, size_t elmt_size, + H5P_genplist_t *dc_plist, const union H5D_storage_t *store, size_t elmt_size, const H5S_t *file_space, const H5S_t *mem_space, hid_t dxpl_id, void *buf/*out*/); H5_DLL herr_t H5S_select_write(H5F_t *f, struct H5O_layout_t *layout, - H5P_genplist_t *dc_plist, const H5O_efl_t *efl, size_t elmt_size, + H5P_genplist_t *dc_plist, const union H5D_storage_t *store, size_t elmt_size, const H5S_t *file_space, const H5S_t *mem_space, hid_t dxpl_id, const void *buf/*out*/); - -/* Needed for internal use of selections in H5Fistore code */ +H5_DLL herr_t H5S_select_elements (H5S_t *space, H5S_seloper_t op, + size_t num_elem, const hssize_t **coord); +#ifdef NEW_HYPERSLAB_API +H5_DLL herr_t H5S_select_select (H5S_t *space1, H5S_seloper_t op, H5S_t *space2); +#endif /*NEW_HYPERSLAB_API */ +H5_DLL htri_t H5S_select_valid(const H5S_t *space); +H5_DLL hssize_t H5S_get_select_npoints(const H5S_t *space); H5_DLL herr_t H5S_select_all(H5S_t *space, unsigned rel_prev); +H5_DLL herr_t H5S_select_none(H5S_t *space); H5_DLL herr_t H5S_select_hyperslab (H5S_t *space, H5S_seloper_t op, const hssize_t start[], const hsize_t *stride, const hsize_t count[], const hsize_t *block); +H5_DLL herr_t H5S_hyper_add_span_element(H5S_t *space, unsigned rank, + hssize_t *coords); +H5_DLL herr_t H5S_hyper_reset_scratch(H5S_t *space); + +/* Operations on selection iterators */ +H5_DLL herr_t H5S_select_iter_init(H5S_sel_iter_t *iter, const H5S_t *space, size_t elmt_size); +H5_DLL herr_t H5S_select_iter_coords(const H5S_sel_iter_t *sel_iter, hssize_t *coords); +H5_DLL hsize_t H5S_select_iter_nelmts(const H5S_sel_iter_t *sel_iter); +H5_DLL herr_t H5S_select_iter_next(H5S_sel_iter_t *sel_iter, size_t nelem); +H5_DLL herr_t H5S_select_iter_release(H5S_sel_iter_t *sel_iter); #ifdef H5_HAVE_PARALLEL /* MPI-IO function to read directly from app buffer to file rky980813 */ |