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-rw-r--r--src/H5Spkg.h31
1 files changed, 28 insertions, 3 deletions
diff --git a/src/H5Spkg.h b/src/H5Spkg.h
index 8213919..e57650a 100644
--- a/src/H5Spkg.h
+++ b/src/H5Spkg.h
@@ -34,6 +34,13 @@
#define H5S_VALID_MAX 0x01
#define H5S_VALID_PERM 0x02
+/* Flags for serialization of selections */
+#define H5S_SELECT_FLAG_UNLIM 0x01
+#define H5S_SELECT_FLAG_BITS (H5S_SELECT_FLAG_UNLIM)
+
+/* Length of stack-allocated sequences for "project intersect" routines */
+#define H5S_PROJECT_INTERSECT_NSEQS 256
+
/* Initial version of the dataspace information */
#define H5O_SDSPACE_VERSION_1 1
@@ -48,6 +55,10 @@
* and 'size' callbacks for places to change when updating this. */
#define H5O_SDSPACE_VERSION_LATEST H5O_SDSPACE_VERSION_2
+/* Maximum dimension size (highest value that is not a special value e.g.
+ * H5S_UNLIMITED) */
+#define H5S_MAX_SIZE ((hsize_t)(hssize_t)(-2))
+
/*
* Dataspace extent information
@@ -113,6 +124,8 @@ typedef struct {
* are only used for re-gurgitating the original values used to set the
* hyperslab to the application when it queries the hyperslab selection
* information. */
+ int unlim_dim; /* Dimension where selection is unlimited, or -1 if none */
+ hsize_t num_elem_non_unlim; /* # of elements in a "slice" excluding the unlimited dimension */
H5S_hyper_span_info_t *span_lst; /* List of hyperslab span information */
} H5S_hyper_sel_t;
@@ -131,12 +144,18 @@ typedef htri_t (*H5S_sel_is_valid_func_t)(const H5S_t *space);
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 **p);
-/* 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 **p);
+/* Method to create selection from "serialized" form (a byte sequence suitable for storing on disk) */
+typedef herr_t (*H5S_sel_deserialize_func_t)(H5S_t *space, uint32_t version, uint8_t flags,
+ const uint8_t **p);
/* Method to determine 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 linear offset of initial element in selection within dataspace */
typedef herr_t (*H5S_sel_offset_func_t)(const H5S_t *space, hsize_t *offset);
+/* Method to get unlimited dimension of selection (or -1 for none) */
+typedef int (*H5S_sel_unlim_dim_func_t)(const H5S_t *space);
+/* Method to get the number of elements in a slice through the unlimited dimension */
+typedef herr_t (*H5S_sel_num_elem_non_unlim_func_t)(const H5S_t *space,
+ hsize_t *num_elem_non_unlim);
/* 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 */
@@ -166,6 +185,8 @@ typedef struct {
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_offset_func_t offset; /* Method to determine linear offset of initial element in selection within dataspace */
+ H5S_sel_unlim_dim_func_t unlim_dim; /* Method to get unlimited dimension of selection (or -1 for none) */
+ H5S_sel_num_elem_non_unlim_func_t num_elem_non_unlim; /* Method to get the number of elements in a slice through the unlimited dimension */
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" */
@@ -245,10 +266,14 @@ 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,
+H5_DLL herr_t H5S_extent_copy_real(H5S_extent_t *dst, const H5S_extent_t *src,
hbool_t copy_max);
/* Operations on selections */
+H5_DLL herr_t H5S__hyper_project_intersection(const H5S_t *src_space,
+ const H5S_t *dst_space, const H5S_t *src_intersect_space,
+ H5S_t *proj_space);
+H5_DLL herr_t H5S__hyper_subtract(H5S_t *space, H5S_t *subtract_space);
/* Testing functions */
#ifdef H5S_TESTING