diff options
Diffstat (limited to 'src/H5Sprivate.h')
| -rw-r--r-- | src/H5Sprivate.h | 111 |
1 files changed, 49 insertions, 62 deletions
diff --git a/src/H5Sprivate.h b/src/H5Sprivate.h index de7f838..1412ea3 100644 --- a/src/H5Sprivate.h +++ b/src/H5Sprivate.h @@ -40,11 +40,15 @@ #define H5S_CONV_STORAGE_CHUNKED 0x0004 /* i.e. '2' */ #define H5S_CONV_STORAGE_MASK 0x0006 +/* Flags for H5S_select_get_seq_list() */ +#define H5S_GET_SEQ_LIST_SORTED 0x0001 + /* Forward references of common typedefs */ typedef struct H5S_t H5S_t; 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; /* Point selection iteration container */ typedef struct { @@ -54,10 +58,24 @@ typedef struct { /* New 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 + * rank, except for regular hyperslab selections in + * which there are contiguous regions in the lower + * dimensions which have been "flattened" out + */ + + /* "Flattened" regular hyperslab selection fields */ + H5S_hyper_dim_t *diminfo; /* "Flattened" regular selection information */ + hsize_t *size; /* "Flattened" dataspace extent information */ + hssize_t *sel_off; /* "Flattened" selection offset information */ + + /* Irregular hyperslab selection fields */ H5S_hyper_span_info_t *spans; /* Pointer to copy of the span tree */ - H5S_hyper_span_t **span; /* Array of pointers to span nodes */ - hssize_t *off; /* Offset in span node (position for regular hyperslabs) */ + H5S_hyper_span_t **span;/* Array of pointers to span nodes */ } H5S_hyper_iter_t; /* "All" selection iteration container */ @@ -73,59 +91,9 @@ typedef union { H5S_all_iter_t all; /* "All" selection iteration information */ } H5S_sel_iter_t; -/* - * Data space conversions usually take place in two halves. One half - * transfers data points between memory and a data type conversion array - * where the points are contiguous, and the other half transfers points - * between the type conversion array and the file. - */ -typedef struct H5S_fconv_t { - /* Identification */ - const char *name; - H5S_sel_type type; - - /* Initialize file element numbering information */ - herr_t (*init)(const H5S_t *space, size_t elmt_size, H5S_sel_iter_t *iter); - - /* Determine optimal number of elements to transfer */ - hsize_t (*avail)(const H5S_t *file_space, const H5S_sel_iter_t *file_iter, - hsize_t max); - - /* Gather elements from disk to type conversion buffer */ - hsize_t (*gath)(H5F_t *f, const struct H5O_layout_t *layout, - H5P_genplist_t *dc_plist, size_t elmt_size, - const H5S_t *file_space, H5S_sel_iter_t *file_iter, - hsize_t nelmts, hid_t dxpl_id, void *tconv_buf/*out*/); - - /* Scatter elements from type conversion buffer to disk */ - herr_t (*scat)(H5F_t *f, const struct H5O_layout_t *layout, - H5P_genplist_t *dc_plist, size_t elmt_size, - const H5S_t *file_space, H5S_sel_iter_t *file_iter, - hsize_t nelmts, hid_t dxpl_id, const void *tconv_buf); -} H5S_fconv_t; - -typedef struct H5S_mconv_t { - /* Identification */ - const char *name; - H5S_sel_type type; - - /* Initialize memory element numbering information */ - herr_t (*init)(const H5S_t *space, size_t elmt_size, H5S_sel_iter_t *iter); - - /* Gather elements from app buffer to type conversion buffer */ - hsize_t (*gath)(const void *buf, size_t elmt_size, - const H5S_t *mem_space, H5S_sel_iter_t *mem_iter, - hsize_t nelmts, void *tconv_buf/*out*/); - - /* Scatter elements from type conversion buffer to application buffer */ - herr_t (*scat)(const void *tconv_buf, size_t elmt_size, - const H5S_t *mem_space, H5S_sel_iter_t *mem_iter, - hsize_t nelmts, void *buf/*out*/); -} H5S_mconv_t; - typedef struct H5S_conv_t { - const H5S_fconv_t *f; - const H5S_mconv_t *m; + H5S_sel_type ftype; + H5S_sel_type mtype; /* * If there is no data type conversion then it might be possible to @@ -167,14 +135,6 @@ typedef struct H5S_conv_t { #endif } H5S_conv_t; -/* Conversion information for the various data space selection types */ -__DLLVAR__ const H5S_fconv_t H5S_POINT_FCONV[]; -__DLLVAR__ const H5S_mconv_t H5S_POINT_MCONV[]; -__DLLVAR__ const H5S_fconv_t H5S_ALL_FCONV[]; -__DLLVAR__ const H5S_mconv_t H5S_ALL_MCONV[]; -__DLLVAR__ const H5S_fconv_t H5S_HYPER_FCONV[]; -__DLLVAR__ const H5S_mconv_t H5S_HYPER_MCONV[]; - /* We get the declaration of H5G_entry_t from the H5Oprivate.h file */ __DLL__ H5S_t *H5S_create(H5S_class_t type); @@ -215,10 +175,37 @@ __DLL__ htri_t H5S_select_regular(const H5S_t *space); __DLL__ htri_t H5S_select_shape_same(const H5S_t *space1, const H5S_t *space2); __DLL__ herr_t H5S_select_iterate(void *buf, hid_t type_id, H5S_t *space, H5D_operator_t op, void *operator_data); +__DLL__ herr_t H5S_select_iter_init(const H5S_t *space, size_t elmt_size, + H5S_sel_iter_t *iter); __DLL__ herr_t H5S_sel_iter_release(const H5S_t *space, H5S_sel_iter_t *sel_iter); __DLL__ herr_t H5S_select_fill(void *fill, size_t fill_size, const H5S_t *space, void *buf); +__DLL__ herr_t H5S_select_get_seq_list(unsigned flags, const H5S_t *space,H5S_sel_iter_t *iter, + size_t elem_size, size_t maxseq, size_t maxbytes, + size_t *nseq, size_t *nbytes, hsize_t *off, size_t *len); +__DLL__ hsize_t H5S_select_favail(const H5S_t *space, const H5S_sel_iter_t *iter, + hsize_t max); +__DLL__ herr_t H5S_select_fscat (H5F_t *f, const struct H5O_layout_t *layout, + H5P_genplist_t *dc_plist, 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); +__DLL__ hsize_t H5S_select_fgath (H5F_t *f, const struct H5O_layout_t *layout, + H5P_genplist_t *dc_plist, size_t elmt_size, const H5S_t *file_space, + H5S_sel_iter_t *file_iter, hsize_t nelmts, hid_t dxpl_id, + void *buf); +__DLL__ herr_t H5S_select_mscat (const void *_tscat_buf, size_t elmt_size, + const H5S_t *space, H5S_sel_iter_t *iter, hsize_t nelmts, + hid_t dxpl_id, void *_buf/*out*/); +__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*/); +__DLL__ herr_t H5S_select_read(H5F_t *f, const struct H5O_layout_t *layout, + H5P_genplist_t *dc_plist, 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_select_write(H5F_t *f, const struct H5O_layout_t *layout, + H5P_genplist_t *dc_plist, 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 */ __DLL__ herr_t H5S_select_all(H5S_t *space); |