diff options
Diffstat (limited to 'src/H5Snone.c')
| -rw-r--r-- | src/H5Snone.c | 227 |
1 files changed, 164 insertions, 63 deletions
diff --git a/src/H5Snone.c b/src/H5Snone.c index 1546d0b..672302d 100644 --- a/src/H5Snone.c +++ b/src/H5Snone.c @@ -33,7 +33,6 @@ #include "H5Iprivate.h" /* ID Functions */ #include "H5Spkg.h" /* Dataspace functions */ #include "H5VMprivate.h" /* Vector functions */ -#include "H5Dprivate.h" /****************/ @@ -52,9 +51,6 @@ /* Selection callbacks */ static herr_t H5S__none_copy(H5S_t *dst, const H5S_t *src, hbool_t share_selection); -static herr_t H5S__none_get_seq_list(const H5S_t *space, unsigned flags, - H5S_sel_iter_t *iter, size_t maxseq, size_t maxbytes, - size_t *nseq, size_t *nbytes, hsize_t *off, size_t *len); static herr_t H5S__none_release(H5S_t *space); static htri_t H5S__none_is_valid(const H5S_t *space); static hssize_t H5S__none_serial_size(const H5S_t *space); @@ -66,7 +62,11 @@ static int H5S__none_unlim_dim(const H5S_t *space); static htri_t H5S__none_is_contiguous(const H5S_t *space); static htri_t H5S__none_is_single(const H5S_t *space); static htri_t H5S__none_is_regular(const H5S_t *space); +static htri_t H5S__none_shape_same(const H5S_t *space1, const H5S_t *space2); +static htri_t H5S__none_intersect_block(const H5S_t *space, const hsize_t *start, + const hsize_t *end); static herr_t H5S__none_adjust_u(H5S_t *space, const hsize_t *offset); +static herr_t H5S__none_adjust_s(H5S_t *space, const hssize_t *offset); static herr_t H5S__none_project_scalar(const H5S_t *space, hsize_t *offset); static herr_t H5S__none_project_simple(const H5S_t *space, H5S_t *new_space, hsize_t *offset); static herr_t H5S__none_iter_init(const H5S_t *space, H5S_sel_iter_t *iter); @@ -78,6 +78,8 @@ static hsize_t H5S__none_iter_nelmts(const H5S_sel_iter_t *iter); static htri_t H5S__none_iter_has_next_block(const H5S_sel_iter_t *iter); static herr_t H5S__none_iter_next(H5S_sel_iter_t *sel_iter, size_t nelem); static herr_t H5S__none_iter_next_block(H5S_sel_iter_t *sel_iter); +static herr_t H5S__none_iter_get_seq_list(H5S_sel_iter_t *iter, size_t maxseq, + size_t maxbytes, size_t *nseq, size_t *nbytes, hsize_t *off, size_t *len); static herr_t H5S__none_iter_release(H5S_sel_iter_t *sel_iter); @@ -96,7 +98,6 @@ const H5S_select_class_t H5S_sel_none[1] = {{ /* Methods on selection */ H5S__none_copy, - H5S__none_get_seq_list, H5S__none_release, H5S__none_is_valid, H5S__none_serial_size, @@ -109,7 +110,10 @@ const H5S_select_class_t H5S_sel_none[1] = {{ H5S__none_is_contiguous, H5S__none_is_single, H5S__none_is_regular, + H5S__none_shape_same, + H5S__none_intersect_block, H5S__none_adjust_u, + H5S__none_adjust_s, H5S__none_project_scalar, H5S__none_project_simple, H5S__none_iter_init, @@ -131,6 +135,7 @@ static const H5S_sel_iter_class_t H5S_sel_iter_none[1] = {{ H5S__none_iter_has_next_block, H5S__none_iter_next, H5S__none_iter_next_block, + H5S__none_iter_get_seq_list, H5S__none_iter_release, }}; @@ -332,6 +337,61 @@ H5S__none_iter_next_block(H5S_sel_iter_t H5_ATTR_UNUSED *iter) /*-------------------------------------------------------------------------- NAME + H5S__none_iter_get_seq_list + PURPOSE + Create a list of offsets & lengths for a selection + USAGE + herr_t H5S__none_iter_get_seq_list(iter,maxseq,maxelem,nseq,nelem,off,len) + H5S_sel_iter_t *iter; IN/OUT: Selection iterator describing last + position of interest in selection. + size_t maxseq; IN: Maximum number of sequences to generate + size_t maxelem; IN: Maximum number of elements to include in the + generated sequences + size_t *nseq; OUT: Actual number of sequences generated + size_t *nelem; OUT: Actual number of elements in sequences generated + hsize_t *off; OUT: Array of offsets + size_t *len; OUT: Array of lengths + RETURNS + Non-negative on success/Negative on failure. + DESCRIPTION + Use the selection in the dataspace to generate a list of byte offsets and + lengths for the region(s) selected. Start/Restart from the position in the + ITER parameter. The number of sequences generated is limited by the MAXSEQ + parameter and the number of sequences actually generated is stored in the + NSEQ parameter. + GLOBAL VARIABLES + COMMENTS, BUGS, ASSUMPTIONS + EXAMPLES + REVISION LOG +--------------------------------------------------------------------------*/ +static herr_t +H5S__none_iter_get_seq_list(H5S_sel_iter_t H5_ATTR_UNUSED *iter, + size_t H5_ATTR_UNUSED maxseq, size_t H5_ATTR_UNUSED maxelem, size_t *nseq, + size_t *nelem, hsize_t H5_ATTR_UNUSED *off, size_t H5_ATTR_UNUSED *len) +{ + FUNC_ENTER_STATIC_NOERR + + /* Check args */ + HDassert(iter); + HDassert(maxseq > 0); + HDassert(maxelem > 0); + HDassert(nseq); + HDassert(nelem); + HDassert(off); + HDassert(len); + + /* "none" selections don't generate sequences of bytes */ + *nseq = 0; + + /* They don't use any elements, either */ + *nelem = 0; + + FUNC_LEAVE_NOAPI(SUCCEED) +} /* end H5S__none_iter_get_seq_list() */ + + +/*-------------------------------------------------------------------------- + NAME H5S__none_iter_release PURPOSE Release "none" selection iterator information for a dataspace @@ -797,6 +857,74 @@ H5S__none_is_regular(const H5S_t H5_ATTR_UNUSED *space) /*-------------------------------------------------------------------------- NAME + H5S__none_shape_same + PURPOSE + Check if a two "none" selections are the same shape + USAGE + htri_t H5S__none_shape_same(space1, space2) + const H5S_t *space1; IN: First dataspace to check + const H5S_t *space2; IN: Second dataspace to check + RETURNS + TRUE / FALSE / FAIL + DESCRIPTION + Checks to see if the current selection in each dataspace are the same + shape. + GLOBAL VARIABLES + COMMENTS, BUGS, ASSUMPTIONS + EXAMPLES + REVISION LOG +--------------------------------------------------------------------------*/ +static htri_t +H5S__none_shape_same(const H5S_t H5_ATTR_UNUSED *space1, + const H5S_t H5_ATTR_UNUSED *space2) +{ + FUNC_ENTER_STATIC_NOERR + + /* Check args */ + HDassert(space1); + HDassert(space2); + + FUNC_LEAVE_NOAPI(TRUE) +} /* end H5S__none_shape_same() */ + + +/*-------------------------------------------------------------------------- + NAME + H5S__none_intersect_block + PURPOSE + Detect intersections of selection with block + USAGE + htri_t H5S__none_intersect_block(space, start, end) + const H5S_t *space; IN: Dataspace with selection to use + const hsize_t *start; IN: Starting coordinate for block + const hsize_t *end; IN: Ending coordinate for block + RETURNS + Non-negative TRUE / FALSE on success, negative on failure + DESCRIPTION + Quickly detect intersections with a block + GLOBAL VARIABLES + COMMENTS, BUGS, ASSUMPTIONS + EXAMPLES + REVISION LOG +--------------------------------------------------------------------------*/ +htri_t +H5S__none_intersect_block(const H5S_t H5_ATTR_UNUSED *space, + const hsize_t H5_ATTR_UNUSED *start, const hsize_t H5_ATTR_UNUSED *end) +{ + FUNC_ENTER_STATIC_NOERR + + /* Sanity check */ + HDassert(space); + HDassert(H5S_SEL_NONE == H5S_GET_SELECT_TYPE(space)); + HDassert(start); + HDassert(end); + + FUNC_LEAVE_NOAPI(FALSE) +} /* end H5S__none_intersect_block() */ + + +/*-------------------------------------------------------------------------- + NAME H5S__none_adjust_u PURPOSE Adjust an "none" selection by subtracting an offset @@ -826,6 +954,37 @@ H5S__none_adjust_u(H5S_t H5_ATTR_UNUSED *space, const hsize_t H5_ATTR_UNUSED *of } /* end H5S__none_adjust_u() */ +/*-------------------------------------------------------------------------- + NAME + H5S__none_adjust_s + PURPOSE + Adjust an "none" selection by subtracting an offset + USAGE + herr_t H5S__none_adjust_u(space, offset) + H5S_t *space; IN/OUT: Pointer to dataspace to adjust + const hssize_t *offset; IN: Offset to subtract + RETURNS + Non-negative on success, negative on failure + DESCRIPTION + Moves selection by subtracting an offset from it. + GLOBAL VARIABLES + COMMENTS, BUGS, ASSUMPTIONS + EXAMPLES + REVISION LOG +--------------------------------------------------------------------------*/ +static herr_t +H5S__none_adjust_s(H5S_t H5_ATTR_UNUSED *space, const hssize_t H5_ATTR_UNUSED *offset) +{ + FUNC_ENTER_STATIC_NOERR + + /* Check args */ + HDassert(space); + HDassert(offset); + + FUNC_LEAVE_NOAPI(SUCCEED) +} /* end H5S__none_adjust_s() */ + + /*------------------------------------------------------------------------- * Function: H5S__none_project_scalar * @@ -966,61 +1125,3 @@ done: FUNC_LEAVE_API(ret_value) } /* end H5Sselect_none() */ - -/*-------------------------------------------------------------------------- - NAME - H5S__none_get_seq_list - PURPOSE - Create a list of offsets & lengths for a selection - USAGE - herr_t H5S__none_get_seq_list(space,flags,iter,maxseq,maxelem,nseq,nelem,off,len) - H5S_t *space; IN: Dataspace containing selection to use. - unsigned flags; IN: Flags for extra information about operation - H5S_sel_iter_t *iter; IN/OUT: Selection iterator describing last - position of interest in selection. - size_t maxseq; IN: Maximum number of sequences to generate - size_t maxelem; IN: Maximum number of elements to include in the - generated sequences - size_t *nseq; OUT: Actual number of sequences generated - size_t *nelem; OUT: Actual number of elements in sequences generated - hsize_t *off; OUT: Array of offsets - size_t *len; OUT: Array of lengths - RETURNS - Non-negative on success/Negative on failure. - DESCRIPTION - Use the selection in the dataspace to generate a list of byte offsets and - lengths for the region(s) selected. Start/Restart from the position in the - ITER parameter. The number of sequences generated is limited by the MAXSEQ - parameter and the number of sequences actually generated is stored in the - NSEQ parameter. - GLOBAL VARIABLES - COMMENTS, BUGS, ASSUMPTIONS - EXAMPLES - REVISION LOG ---------------------------------------------------------------------------*/ -static herr_t -H5S__none_get_seq_list(const H5S_t H5_ATTR_UNUSED *space, unsigned H5_ATTR_UNUSED flags, H5S_sel_iter_t H5_ATTR_UNUSED *iter, - size_t H5_ATTR_UNUSED maxseq, size_t H5_ATTR_UNUSED maxelem, size_t *nseq, size_t *nelem, - hsize_t H5_ATTR_UNUSED *off, size_t H5_ATTR_UNUSED *len) -{ - FUNC_ENTER_STATIC_NOERR - - /* Check args */ - HDassert(space); - HDassert(iter); - HDassert(maxseq > 0); - HDassert(maxelem > 0); - HDassert(nseq); - HDassert(nelem); - HDassert(off); - HDassert(len); - - /* "none" selections don't generate sequences of bytes */ - *nseq = 0; - - /* They don't use any elements, either */ - *nelem = 0; - - FUNC_LEAVE_NOAPI(SUCCEED) -} /* end H5S__none_get_seq_list() */ - |