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authorPedro Vicente Nunes <pvn@hdfgroup.org>2005-01-29 05:41:35 (GMT)
committerPedro Vicente Nunes <pvn@hdfgroup.org>2005-01-29 05:41:35 (GMT)
commitf9ad232b420e95536efbcd3bde9513e58d081a12 (patch)
tree98b298e37ff4359b7b6d4a4fdf7b1476a50e31da
parent82e29e9369c589c8b9a5b3e5bb7637abd7144c8c (diff)
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[svn-r9883] Purpose:
added a first batch of dimension scales fix some small bubgs in lite (a close function was not being called ) Description: this batch contains the basic API functions described in the RFC and a minimal test file Solution: Platforms tested: linux solaris 64 AIX windows Misc. update:
-rw-r--r--MANIFEST2
-rw-r--r--hl/src/Dependencies6
-rw-r--r--hl/src/H5DS.c1267
-rw-r--r--hl/src/H5DS.h73
-rw-r--r--hl/src/H5IM.c10
-rw-r--r--hl/src/H5LT.c99
-rw-r--r--hl/src/H5LT.h13
-rw-r--r--hl/src/Makefile.in4
-rw-r--r--hl/test/Dependencies2
-rw-r--r--hl/test/Makefile.in9
10 files changed, 1474 insertions, 11 deletions
diff --git a/MANIFEST b/MANIFEST
index 0832ae0..39fd17b 100644
--- a/MANIFEST
+++ b/MANIFEST
@@ -1553,6 +1553,8 @@
./hl/src/H5LT.h
./hl/src/H5TB.c
./hl/src/H5TB.h
+./hl/src/H5DS.c
+./hl/src/H5DS.h
./hl/test/Dependencies
./hl/test/Makefile.in
./hl/test/test_image.c
diff --git a/hl/src/Dependencies b/hl/src/Dependencies
index db9cde1..ff30d71 100644
--- a/hl/src/Dependencies
+++ b/hl/src/Dependencies
@@ -4,9 +4,9 @@
H5LT.lo: \
$(top_srcdir)/hl/src/H5LT.c \
$(top_srcdir)/hl/src/H5LT.h
-H5TA.lo: \
- $(top_srcdir)/hl/src/H5TA.c \
- $(top_srcdir)/hl/src/H5TA.h \
+H5TB.lo: \
+ $(top_srcdir)/hl/src/H5TB.c \
+ $(top_srcdir)/hl/src/H5TB.h \
$(top_srcdir)/hl/src/H5LT.h
H5IM.lo: \
$(top_srcdir)/hl/src/H5IM.c \
diff --git a/hl/src/H5DS.c b/hl/src/H5DS.c
new file mode 100644
index 0000000..3bec833
--- /dev/null
+++ b/hl/src/H5DS.c
@@ -0,0 +1,1267 @@
+/****************************************************************************
+ * NCSA HDF *
+ * Scientific Data Technologies *
+ * National Center for Supercomputing Applications *
+ * University of Illinois at Urbana-Champaign *
+ * 605 E. Springfield, Champaign IL 61820 *
+ * *
+ * For conditions of distribution and use, see the accompanying *
+ * hdf/COPYING file. *
+ * *
+ ****************************************************************************/
+
+#include "H5DS.h"
+#include "H5LT.h"
+#include <stdlib.h>
+
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5DSset_scale
+ *
+ * Purpose: write the standard attributes for a Dimension Scale dataset;
+ * optionally set its name
+ *
+ * Return: Success: SUCCESS, Failure: FAIL
+ *
+ * Programmer: pvn@ncsa.uiuc.edu
+ *
+ * Date: January 04, 2005
+ *
+ * Comments:
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+
+herr_t H5DSset_scale(hid_t did,
+ char *dimname)
+{
+ int has_dimlist;
+
+/*-------------------------------------------------------------------------
+ * check if the dataset is a dataset wich has references to dimension scales
+ *-------------------------------------------------------------------------
+ */
+
+ /* try to find the attribute "DIMENSION_LIST" on the >>data<< dataset */
+ if ((has_dimlist = H5LT_find_attribute(did,DIMENSION_LIST))<0)
+ return FAIL;
+
+ if (has_dimlist == 1)
+ return FAIL;
+
+/*-------------------------------------------------------------------------
+ * write the standard attributes for a Dimension Scale dataset
+ *-------------------------------------------------------------------------
+ */
+
+ if (H5LT_set_attribute_string(did,"CLASS",DIMENSION_SCALE_CLASS)<0)
+ return FAIL;
+
+ if (dimname!=NULL)
+ {
+ if (H5LT_set_attribute_string(did,"NAME",dimname)<0)
+ return FAIL;
+ }
+
+ return SUCCESS;
+}
+
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5DSattach_scale
+ *
+ * Purpose: attach a DS with DSID to the IDX dimension of the existing
+ * dataset DID
+ *
+ * Return:
+ * Success: SUCCESS: both the DS and the dataset exist
+ * Failure: FAIL: if either one of them does not exist
+ *
+ * Programmer: pvn@ncsa.uiuc.edu
+ *
+ * Date: December 20, 2004
+ *
+ * Comments:
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+
+herr_t H5DSattach_scale(hid_t did,
+ hid_t dsid,
+ unsigned int idx)
+{
+ int has_dimlist;
+ int has_reflist;
+ int is_ds;
+ hssize_t nelmts;
+ hid_t sid; /* space ID */
+ hid_t tid; /* attribute type ID */
+ hid_t aid; /* attribute ID */
+ int rank; /* rank of dataset */
+ hsize_t *dims; /* dimension of the "REFERENCE_LIST" array */
+ ds_list_t dsl; /* attribute data in the DS pointing to the dataset */
+ ds_list_t *dsbuf; /* array of attribute data in the DS pointing to the dataset */
+ hobj_ref_t ref; /* reference to the DS */
+ hvl_t *buf; /* VL buffer to store in the attribute */
+ int i, len;
+
+/*-------------------------------------------------------------------------
+ * verify that the datasets are valid
+ *-------------------------------------------------------------------------
+ */
+ /* the dataset cannot be a DS dataset */
+ if ((H5DSis_scale(did))==1)
+ return FAIL;
+
+/*-------------------------------------------------------------------------
+ * The dataset may or may not have the associated DS attribute
+ * First we try to open to see if it is already there; if not, it is created.
+ * If it exists, the array of references is extended to hold the reference
+ * to the new DS
+ *-------------------------------------------------------------------------
+ */
+
+ /* get dataset space */
+ if ((sid = H5Dget_space(did))<0)
+ goto out;
+
+ /* get rank */
+ if ((rank=H5Sget_simple_extent_ndims(sid))<0)
+ goto out;
+
+ /* close dataset space */
+ if (H5Sclose(sid)<0)
+ goto out;
+
+/*-------------------------------------------------------------------------
+ * two references are created: one to the DS, saved in "DIMENSION_LIST"
+ * and one to the dataset, saved in "REFERENCE_LIST"
+ *-------------------------------------------------------------------------
+ */
+ /* create a reference for the >>DS<< dataset */
+ if (H5Rcreate(&ref,dsid,".",H5R_OBJECT,-1)<0)
+ goto out;
+
+ /* create a reference for the >>data<< dataset */
+ if (H5Rcreate(&dsl.ref,did,".",H5R_OBJECT,-1)<0)
+ goto out;
+
+ /* try to find the attribute "DIMENSION_LIST" on the >>data<< dataset */
+ if ((has_dimlist = H5LT_find_attribute(did,DIMENSION_LIST))<0)
+ return FAIL;
+
+/*-------------------------------------------------------------------------
+ * it does not exist. we create the attribute and its reference data
+ *-------------------------------------------------------------------------
+ */
+ if (has_dimlist == 0)
+ {
+ /* create one entry array */
+ dims = (hsize_t*) malloc (1 * sizeof (hsize_t));
+
+ if (dims == NULL)
+ goto out;
+
+ dims[0] = rank;
+
+ /* space for the attribute */
+ if ((sid = H5Screate_simple(1,dims,NULL))<0)
+ goto out;
+
+ /* create the type for the attribute "DIMENSION_LIST" */
+ if ((tid = H5Tvlen_create(H5T_STD_REF_OBJ))<0)
+ goto out;
+
+ /* create the attribute */
+ if ((aid = H5Acreate(did,DIMENSION_LIST,tid,sid,H5P_DEFAULT))<0)
+ goto out;
+
+ /* allocate and initialize the VL */
+ buf = (hvl_t*)malloc((size_t)rank * sizeof(hvl_t));
+
+ if (buf == NULL)
+ goto out;
+
+ for(i=0; i<rank; i++)
+ {
+ buf[i].len = 0;
+ buf[i].p = NULL;
+ }
+
+ /* store the REF information in the index of the dataset that has the DS */
+ buf[idx].len = 1;
+ buf[idx].p = malloc( 1 * sizeof(hobj_ref_t));
+ ((hobj_ref_t *)buf[idx].p)[0] = ref;
+
+ /* write the attribute with the reference */
+ if (H5Awrite(aid,tid,buf)<0)
+ goto out;
+
+ /* close */
+ if (H5Dvlen_reclaim(tid,sid,H5P_DEFAULT,buf)<0)
+ goto out;
+ if (H5Sclose(sid)<0)
+ goto out;
+ if (H5Tclose(tid)<0)
+ goto out;
+ if (H5Aclose(aid)<0)
+ goto out;
+
+ if (dims)
+ free(dims);
+ if (buf)
+ free(buf);
+
+ }
+
+/*-------------------------------------------------------------------------
+ * the attribute already exists, open it, extend the buffer,
+ * and insert the new reference
+ *-------------------------------------------------------------------------
+ */
+
+ else if ( has_dimlist == 1 )
+ {
+ if ((aid = H5Aopen_name(did,DIMENSION_LIST))<0)
+ goto out;
+
+ if ((tid = H5Aget_type(aid))<0)
+ goto out;
+
+ if ((sid = H5Aget_space(aid))<0)
+ goto out;
+
+ /* allocate and initialize the VL */
+ buf = (hvl_t*)malloc((size_t)rank * sizeof(hvl_t));
+
+ if (buf == NULL)
+ goto out;
+
+ /* read */
+ if (H5Aread(aid,tid,buf)<0)
+ goto out;
+
+ for(i=0; i<rank; i++)
+ {
+ if (idx == (unsigned int)i )
+ {
+ /* we are adding one more DS to this dimension */
+ if ( buf[i].len > 0 )
+ {
+ buf[i].len++;
+ len = buf[i].len;
+ buf[i].p = realloc( buf[i].p, len * sizeof(hobj_ref_t));
+ ((hobj_ref_t *)buf[i].p)[ len-1 ] = ref;
+ }
+ else
+ {
+ /* store the REF information in the index of the dataset that has the DS */
+ buf[idx].len = 1;
+ buf[idx].p = malloc( 1 * sizeof(hobj_ref_t));
+ ((hobj_ref_t *)buf[idx].p)[0] = ref;
+ }
+ }
+ }
+
+ /* write the attribute with the new references */
+ if (H5Awrite(aid,tid,buf)<0)
+ goto out;
+
+ /* close */
+ if (H5Dvlen_reclaim(tid,sid,H5P_DEFAULT,buf)<0)
+ goto out;
+ if (H5Sclose(sid)<0)
+ goto out;
+ if (H5Tclose(tid)<0)
+ goto out;
+ if (H5Aclose(aid)<0)
+ goto out;
+ if (buf)
+ free(buf);
+
+ } /* has_dimlist */
+
+
+
+/*-------------------------------------------------------------------------
+ * save DS info on the >>DS<< dataset
+ *-------------------------------------------------------------------------
+ */
+
+ /* try to find the attribute "REFERENCE_LIST" on the >>DS<< dataset */
+ if ((has_reflist = H5LT_find_attribute(dsid,REFERENCE_LIST))<0)
+ goto out;
+
+/*-------------------------------------------------------------------------
+ * it does not exist. we create the attribute and its reference data
+ *-------------------------------------------------------------------------
+ */
+ if (has_reflist == 0)
+ {
+ /* create one entry array */
+ dims = (hsize_t*) malloc (1 * sizeof (hsize_t));
+
+ if (dims == NULL)
+ goto out;
+
+ dims[0] = 1;
+
+ /* space for the attribute */
+ if ((sid = H5Screate_simple(1,dims,NULL))<0)
+ goto out;
+
+ /* create the compound datatype for the attribute "REFERENCE_LIST" */
+ if ((tid = H5Tcreate(H5T_COMPOUND,sizeof(ds_list_t)))<0)
+ goto out;
+
+ /* insert reference field */
+ if (H5Tinsert(tid,"dataset",HOFFSET(ds_list_t,ref),H5T_STD_REF_OBJ)<0)
+ goto out;
+
+ /* insert dimension idx of the dataset field */
+ if (H5Tinsert(tid,"dimension",HOFFSET(ds_list_t,dim_idx),H5T_NATIVE_INT)<0)
+ goto out;
+
+ /* create the attribute */
+ if ((aid = H5Acreate(dsid,REFERENCE_LIST,tid,sid,H5P_DEFAULT))<0)
+ goto out;
+
+ /* store the IDX information */
+ dsl.dim_idx = idx;
+
+ /* write the attribute with the reference */
+ if (H5Awrite(aid,tid,&dsl)<0)
+ goto out;
+
+ /* close */
+ if (H5Sclose(sid)<0)
+ goto out;
+ if (H5Tclose(tid)<0)
+ goto out;
+ if (H5Aclose(aid)<0)
+ goto out;
+
+ if (dims)
+ free(dims);
+ }
+
+/*-------------------------------------------------------------------------
+ * the "REFERENCE_LIST" array already exists, open it and extend it
+ *-------------------------------------------------------------------------
+ */
+
+ else if ( has_reflist == 1 )
+ {
+ if ((aid = H5Aopen_name(dsid,REFERENCE_LIST))<0)
+ goto out;
+
+ if ((tid = H5Aget_type(aid))<0)
+ goto out;
+
+ /* get and save the old reference(s) */
+ if ((sid = H5Aget_space(aid))<0)
+ goto out;
+
+ if ((nelmts = H5Sget_simple_extent_npoints(sid))<0)
+ goto out;
+
+ nelmts++;
+
+ dsbuf = malloc((size_t)nelmts * sizeof(ds_list_t));
+
+ if (dsbuf == NULL)
+ goto out;
+
+ if (H5Aread(aid,tid,dsbuf)<0)
+ goto out;
+
+ if (H5Sclose(sid)<0)
+ goto out;
+
+ /* the attribute must be deleted, in order to the new one can reflect the changes*/
+ if (H5Adelete(dsid,REFERENCE_LIST)<0)
+ goto out;
+
+ /* store the IDX information (index of the dataset that has the DS) */
+ dsl.dim_idx = idx;
+ dsbuf[nelmts-1] = dsl;
+
+ /* create a new data space for the new references array */
+ if ((sid = H5Screate_simple(1,&nelmts,NULL))<0)
+ goto out;
+
+ /* create the attribute again with the changes of space */
+ if ((aid = H5Acreate(dsid,REFERENCE_LIST,tid,sid,H5P_DEFAULT))<0)
+ goto out;
+
+ /* write the attribute with the new references */
+ if (H5Awrite(aid,tid,dsbuf)<0)
+ goto out;
+
+ /* close */
+ if (H5Sclose(sid)<0)
+ goto out;
+ if (H5Tclose(tid)<0)
+ goto out;
+ if (H5Aclose(aid)<0)
+ goto out;
+
+ if (dsbuf)
+ free(dsbuf);
+
+ } /* has_dimlist */
+
+
+/*-------------------------------------------------------------------------
+ * write the standard attributes for a Dimension Scale dataset
+ *-------------------------------------------------------------------------
+ */
+
+ if ((is_ds=H5DSis_scale(dsid))<0)
+ return FAIL;
+
+ if (is_ds == 0 )
+ {
+ if (H5LT_set_attribute_string(dsid,"CLASS",DIMENSION_SCALE_CLASS)<0)
+ return FAIL;
+ }
+
+ return SUCCESS;
+
+/* error zone, gracefully close */
+out:
+ H5E_BEGIN_TRY {
+ H5Sclose(sid);
+ H5Aclose(aid);
+ H5Tclose(tid);
+ } H5E_END_TRY;
+ return FAIL;
+
+}
+
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5DSdetach_scale
+ *
+ * Purpose: detach a DS with DSID to the IDX dimension of the existing
+ * dataset DID
+ *
+ * Return:
+ * Success: SUCCESS: both the DS and the dataset exist
+ * Failure: FAIL: if either one of them does not exist
+ *
+ * Programmer: pvn@ncsa.uiuc.edu
+ *
+ * Date: December 20, 2004
+ *
+ * Comments:
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+
+herr_t H5DSdetach_scale(hid_t did,
+ hid_t dsid,
+ unsigned int idx)
+{
+ int has_dimlist;
+ int has_reflist;
+ hssize_t nelmts;
+ hid_t dsid_j; /* DS dataset ID in DIMENSION_LIST */
+ hid_t sid; /* space ID */
+ hid_t tid; /* attribute type ID */
+ hid_t aid; /* attribute ID */
+ int rank; /* rank of dataset */
+ ds_list_t *dsbuf; /* array of attribute data in the DS pointing to the dataset */
+ hobj_ref_t ref; /* reference to the DS */
+ hvl_t *buf; /* VL buffer to store in the attribute */
+ unsigned i, j;
+ H5G_stat_t sb1, sb2, sb3, sb4;
+ int found_dset=0, found_ds=0;
+
+/*-------------------------------------------------------------------------
+ * check if the dataset is a DS dataset
+ *-------------------------------------------------------------------------
+ */
+ if ((H5DSis_scale(did))==1)
+ return FAIL;
+
+/*-------------------------------------------------------------------------
+ * Find "DIMENSION_LIST"
+ *-------------------------------------------------------------------------
+ */
+ /* try to find the attribute "DIMENSION_LIST" on the >>data<< dataset */
+ if ((has_dimlist = H5LT_find_attribute(did,DIMENSION_LIST))<0)
+ goto out;
+
+ if (has_dimlist == 0)
+ goto out;
+
+ /* get dataset space */
+ if ((sid = H5Dget_space(did))<0)
+ goto out;
+
+ /* get rank */
+ if ((rank=H5Sget_simple_extent_ndims(sid))<0)
+ goto out;
+
+ /* close dataset space */
+ if (H5Sclose(sid)<0)
+ goto out;
+
+
+/*-------------------------------------------------------------------------
+ * open it, and delete the reference
+ *-------------------------------------------------------------------------
+ */
+
+ else if ( has_dimlist == 1 )
+ {
+ if ((aid = H5Aopen_name(did,DIMENSION_LIST))<0)
+ goto out;
+
+ if ((tid = H5Aget_type(aid))<0)
+ goto out;
+
+ if ((sid = H5Aget_space(aid))<0)
+ goto out;
+
+ /* allocate and initialize the VL */
+ buf = (hvl_t*)malloc((size_t)rank * sizeof(hvl_t));
+
+ if (buf == NULL)
+ goto out;
+
+ /* read */
+ if (H5Aread(aid,tid,buf)<0)
+ goto out;
+
+ for(i=0; i<(unsigned int)rank; i++)
+ {
+ if (idx == i )
+ {
+ /* reset */
+ if ( buf[i].len > 0 )
+ {
+ for(j=0; j<buf[i].len; j++)
+ {
+ /* get the reference */
+ ref = ((hobj_ref_t *)buf[i].p)[j];
+
+ /* get the DS id */
+ if ((dsid_j = H5Rdereference(did,H5R_OBJECT,&ref))<0)
+ goto out;
+
+ /* get info for DS in the parameter list */
+ if (H5Gget_objinfo(dsid,".",TRUE,&sb1)<0)
+ goto out;
+
+ /* get info for this DS */
+ if (H5Gget_objinfo(dsid_j,".",TRUE,&sb2)<0)
+ goto out;
+
+ /* same object, reset */
+ if (sb1.fileno==sb2.fileno && sb1.objno==sb2.objno) {
+ ((hobj_ref_t *)buf[i].p)[j] = 0;
+ found_ds = 1;
+ }
+
+ /* close the dereferenced dataset */
+ if (H5Dclose(dsid_j)<0)
+ goto out;
+ } /* j */
+ } /* if */
+ } /* if */
+ } /* i */
+
+ if (found_ds == 0)
+ goto out;
+
+ /* write the attribute */
+ if (H5Awrite(aid,tid,buf)<0)
+ goto out;
+
+ /* close */
+ if (H5Dvlen_reclaim(tid,sid,H5P_DEFAULT,buf)<0)
+ goto out;
+ if (H5Sclose(sid)<0)
+ goto out;
+ if (H5Tclose(tid)<0)
+ goto out;
+ if (H5Aclose(aid)<0)
+ goto out;
+ if (buf)
+ free(buf);
+
+ } /* has_dimlist */
+
+/*-------------------------------------------------------------------------
+ * save DS info on the >>DS<< dataset
+ *-------------------------------------------------------------------------
+ */
+
+ /* try to find the attribute "REFERENCE_LIST" on the >>DS<< dataset */
+ if ((has_reflist = H5LT_find_attribute(dsid,REFERENCE_LIST))<0)
+ goto out;
+
+/*-------------------------------------------------------------------------
+ * it does not exist
+ *-------------------------------------------------------------------------
+ */
+ if (has_reflist == 0)
+ goto out;
+
+/*-------------------------------------------------------------------------
+ * the "REFERENCE_LIST" array exists, update
+ *-------------------------------------------------------------------------
+ */
+ else if ( has_reflist == 1 )
+ {
+ if ((aid = H5Aopen_name(dsid,REFERENCE_LIST))<0)
+ goto out;
+
+ if ((tid = H5Aget_type(aid))<0)
+ goto out;
+
+ /* get and save the old reference(s) */
+ if ((sid = H5Aget_space(aid))<0)
+ goto out;
+
+ if ((nelmts = H5Sget_simple_extent_npoints(sid))<0)
+ goto out;
+
+ dsbuf = malloc((size_t)nelmts * sizeof(ds_list_t));
+
+ if (dsbuf == NULL)
+ goto out;
+
+ if (H5Aread(aid,tid,dsbuf)<0)
+ goto out;
+
+ for(i=0; i<nelmts; i++)
+ {
+ /* get the reference */
+ ref = dsbuf[i].ref;
+
+ /* get the DS id */
+ if ((dsid_j = H5Rdereference(did,H5R_OBJECT,&ref))<0)
+ goto out;
+
+ /* get info for dataset in the parameter list */
+ if (H5Gget_objinfo(did,".",TRUE,&sb3)<0)
+ goto out;
+
+ /* get info for this DS */
+ if (H5Gget_objinfo(dsid_j,".",TRUE,&sb4)<0)
+ goto out;
+
+ /* same object, reset */
+ if (sb3.fileno==sb4.fileno && sb3.objno==sb4.objno) {
+ dsbuf[i].ref=0;
+ dsbuf[i].dim_idx=-1;
+ found_dset=1;
+ } /* if */
+
+ /* close the dereferenced dataset */
+ if (H5Dclose(dsid_j)<0)
+ goto out;
+ } /* i */
+
+ if (found_dset == 0)
+ goto out;
+
+ /* update on disk */
+ if (H5Awrite(aid,tid,dsbuf)<0)
+ goto out;
+
+ /* close */
+ if (H5Sclose(sid)<0)
+ goto out;
+ if (H5Tclose(tid)<0)
+ goto out;
+ if (H5Aclose(aid)<0)
+ goto out;
+
+ if (dsbuf)
+ free(dsbuf);
+
+ if (found_dset == 0)
+ goto out;
+
+ } /* has_dimlist */
+
+ return SUCCESS;
+
+/* error zone, gracefully close */
+out:
+ H5E_BEGIN_TRY {
+ H5Sclose(sid);
+ H5Aclose(aid);
+ H5Tclose(tid);
+ } H5E_END_TRY;
+ return FAIL;
+
+}
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5DSset_label
+ *
+ * Purpose: set a label for dimension IDX
+ *
+ * Return: Success: SUCCESS, Failure: FAIL
+ *
+ * Programmer: pvn@ncsa.uiuc.edu
+ *
+ * Date: January 11, 2005
+ *
+ * Comments:
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+
+herr_t H5DSset_label(hid_t did,
+ char *label,
+ unsigned int idx)
+{
+ int has_labels;
+ hid_t sid; /* space ID */
+ hid_t tid; /* attribute type ID */
+ hid_t aid; /* attribute ID */
+ int rank; /* rank of dataset */
+ hsize_t dims[1]; /* dimensions of dataset */
+ char **buf=NULL; /* buffer to store in the attribute */
+ unsigned int i;
+
+ /* try to find the attribute "DIMENSION_LABELS" on the >>data<< dataset */
+ if ((has_labels = H5LT_find_attribute(did,DIMENSION_LABELS))<0)
+ return FAIL;
+
+ /* get dataset space */
+ if ((sid = H5Dget_space(did))<0)
+ goto out;
+
+ /* get rank */
+ if ((rank=H5Sget_simple_extent_ndims(sid))<0)
+ goto out;
+
+ /* close dataset space */
+ if (H5Sclose(sid)<0)
+ goto out;
+
+/*-------------------------------------------------------------------------
+ * make the attribute and insert label
+ *-------------------------------------------------------------------------
+ */
+
+ if (has_labels == 0)
+ {
+ dims[0] = rank;
+
+ /* space for the attribute */
+ if ((sid = H5Screate_simple(1,dims,NULL))<0)
+ goto out;
+
+ /* create the datatype */
+ if ((tid = H5Tcopy(H5T_C_S1))<0)
+ goto out;
+ if (H5Tset_size(tid,H5T_VARIABLE)<0)
+ goto out;
+
+ /* create the attribute */
+ if ((aid = H5Acreate(did,DIMENSION_LABELS,tid,sid,H5P_DEFAULT))<0)
+ goto out;
+
+ /* allocate and initialize */
+ buf = (char **)malloc((size_t)rank * sizeof(char *));
+
+ if (buf == NULL)
+ goto out;
+
+ for(i=0; i<(unsigned int)rank; i++)
+ buf[i] = NULL;
+
+ /* store the label information in the required index */
+ buf[idx] = label;
+
+ /* write the attribute with the label */
+ if (H5Awrite(aid,tid,buf)<0)
+ goto out;
+
+ /* close */
+ if (H5Sclose(sid)<0)
+ goto out;
+ if (H5Tclose(tid)<0)
+ goto out;
+ if (H5Aclose(aid)<0)
+ goto out;
+ if (buf)
+ free(buf);
+ }
+
+/*-------------------------------------------------------------------------
+ * just insert label
+ *-------------------------------------------------------------------------
+ */
+
+ else
+ {
+ if ((aid = H5Aopen_name(did,DIMENSION_LABELS))<0)
+ goto out;
+
+ if ((tid = H5Aget_type(aid))<0)
+ goto out;
+
+ if ((sid = H5Aget_space(aid))<0)
+ goto out;
+
+ /* allocate and initialize */
+ buf = (char **)malloc((size_t)rank * sizeof(char *));
+
+ if (buf == NULL)
+ goto out;
+
+ /* read */
+ if (H5Aread(aid,tid,buf)<0)
+ goto out;
+
+ for(i=0; i<(unsigned int)rank; i++)
+ {
+ if (idx == i )
+ {
+ /* store the label information in the required index */
+ buf[idx] = label;
+ }
+ }
+
+ /* write the attribute with the new references */
+ if (H5Awrite(aid,tid,buf)<0)
+ goto out;
+
+ /* close */
+ if (H5Sclose(sid)<0)
+ goto out;
+ if (H5Tclose(tid)<0)
+ goto out;
+ if (H5Aclose(aid)<0)
+ goto out;
+ if (buf)
+ free(buf);
+ }
+
+ return SUCCESS;
+
+ /* error zone, gracefully close */
+out:
+ H5E_BEGIN_TRY {
+ H5Sclose(sid);
+ H5Aclose(aid);
+ H5Tclose(tid);
+ } H5E_END_TRY;
+ return FAIL;
+}
+
+
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5DSget_label
+ *
+ * Purpose: get a label for dimension IDX
+ *
+ * Return: Success: SUCCESS, Failure: FAIL
+ *
+ * Programmer: pvn@ncsa.uiuc.edu
+ *
+ * Date: January 11, 2005
+ *
+ * Comments:
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+
+
+
+herr_t H5DSget_label(hid_t did,
+ char *label,
+ unsigned int idx)
+{
+ int has_labels;
+ hid_t sid; /* space ID */
+ hid_t tid; /* attribute type ID */
+ hid_t aid; /* attribute ID */
+ int rank; /* rank of dataset */
+ char **buf=NULL; /* buffer to store in the attribute */
+ unsigned int i;
+
+ /* try to find the attribute "DIMENSION_LABELS" on the >>data<< dataset */
+ if ((has_labels = H5LT_find_attribute(did,DIMENSION_LABELS))<0)
+ return FAIL;
+
+ if (has_labels == 0)
+ return FAIL;
+
+ /* get dataset space */
+ if ((sid = H5Dget_space(did))<0)
+ goto out;
+
+ /* get rank */
+ if ((rank=H5Sget_simple_extent_ndims(sid))<0)
+ goto out;
+
+ /* close dataset space */
+ if (H5Sclose(sid)<0)
+ goto out;
+
+/*-------------------------------------------------------------------------
+ * make the attribute and insert label
+ *-------------------------------------------------------------------------
+ */
+
+ if (has_labels == 1)
+ {
+ if ((aid = H5Aopen_name(did,DIMENSION_LABELS))<0)
+ goto out;
+
+ if ((tid = H5Aget_type(aid))<0)
+ goto out;
+
+ if ((sid = H5Aget_space(aid))<0)
+ goto out;
+
+ /* allocate and initialize */
+ buf = (char **)malloc((size_t)rank * sizeof(char *));
+
+ if (buf == NULL)
+ goto out;
+
+ /* read */
+ if (H5Aread(aid,tid,buf)<0)
+ goto out;
+
+ for(i=0; i<(unsigned int)rank; i++)
+ {
+ if (idx == i )
+ {
+ /* store the label information in the required index */
+ strcpy(label,buf[idx]);
+ }
+ }
+
+ /* close */
+ if (H5Sclose(sid)<0)
+ goto out;
+ if (H5Tclose(tid)<0)
+ goto out;
+ if (H5Aclose(aid)<0)
+ goto out;
+ if (buf)
+ free(buf);
+ }
+
+
+ return SUCCESS;
+
+ /* error zone, gracefully close */
+out:
+ H5E_BEGIN_TRY {
+ H5Sclose(sid);
+ H5Aclose(aid);
+ H5Tclose(tid);
+ } H5E_END_TRY;
+ return FAIL;
+}
+
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5DSget_scale_name
+ *
+ * Purpose: get the name of a DS
+ *
+ * Return: Success: SUCCESS, Failure: FAIL
+ *
+ * Programmer: pvn@ncsa.uiuc.edu
+ *
+ * Date: January 04, 2005
+ *
+ * Comments:
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+
+herr_t H5DSget_scale_name(hid_t did,
+ char *buf)
+{
+ int has_name;
+
+/*-------------------------------------------------------------------------
+ * check if the dataset is a DS dataset
+ *-------------------------------------------------------------------------
+ */
+ if ((H5DSis_scale(did))<=0)
+ return FAIL;
+
+/*-------------------------------------------------------------------------
+ * check if the DS has a name
+ *-------------------------------------------------------------------------
+ */
+
+ /* try to find the attribute "NAME" on the >>DS<< dataset */
+ if ((has_name = H5LT_find_attribute(did,"NAME"))<0)
+ return FAIL;
+
+ if (has_name == 1)
+ {
+ /* get the attribute */
+ if (H5LT_get_attribute_disk(did,"NAME",buf)<0)
+ return FAIL;
+ }
+
+ return SUCCESS;
+}
+
+
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5DSis_scale
+ *
+ * Purpose: check if the dataset DID is a dimension scale
+ *
+ * Return: 1, is, 0, not, FAIL, error
+ *
+ * Programmer: pvn@ncsa.uiuc.edu
+ *
+ * Date: January 04, 2005
+ *
+ * Comments:
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+
+herr_t H5DSis_scale(hid_t did)
+{
+ hid_t tid; /* attribute type ID */
+ hid_t aid; /* attribute ID */
+ herr_t has_class; /* has the "CLASS" attribute */
+ herr_t is_ds; /* boolean return value */
+ char buf[20];
+
+ /* try to find the attribute "CLASS" on the dataset */
+ if ((has_class = H5LT_find_attribute(did,"CLASS"))<0)
+ return FAIL;
+
+ if (has_class == 0)
+ is_ds = 0;
+
+ else if (has_class == 1 )
+ {
+ if ((aid = H5Aopen_name(did,"CLASS"))<0)
+ goto out;
+
+ if ((tid = H5Aget_type(aid))<0)
+ goto out;
+
+ if (H5Aread(aid,tid,buf)<0)
+ goto out;
+
+ if( strcmp(buf,DIMENSION_SCALE_CLASS)==0)
+ is_ds = 1;
+ else
+ is_ds = 0;
+
+ if (H5Tclose(tid)<0)
+ goto out;
+
+ if (H5Aclose(aid)<0)
+ goto out;
+ }
+
+ return is_ds;
+
+/* error zone, gracefully close */
+out:
+ H5E_BEGIN_TRY {
+ H5Aclose(aid);
+ H5Tclose(tid);
+ } H5E_END_TRY;
+ return FAIL;
+
+}
+
+
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5DShas_scale
+ *
+ * Purpose: check if the dataset DID has associated
+ * valid dimension scales; valid means the dimension scales exist and they
+ * are as many as the dataset rank
+ *
+ * Return: 1, has, 0, not, FAIL, error
+ *
+ * Programmer: pvn@ncsa.uiuc.edu
+ *
+ * Date: January 04, 2005
+ *
+ * Comments:
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+
+herr_t H5DShas_scale(hid_t did)
+{
+ int has_dimlist; /* do we have the "DIMENSION_LIST" attribute */
+ hid_t sid; /* space ID */
+ hid_t dsid; /* DS dataset ID */
+ hid_t dssid; /* DS space ID */
+ hid_t tid; /* attribute type ID */
+ hid_t aid; /* attribute ID */
+ hssize_t dsnelmts; /* size of a dimension scale array */
+ herr_t has_ds; /* boolean return value */
+ int rank; /* rank of dataset */
+ hsize_t dims[H5S_MAX_RANK]; /* dimensions of dataset */
+ hvl_t *buf; /* VL buffer stored in the attribute */
+ hobj_ref_t ref; /* reference to the DS */
+ int i;
+
+ has_ds = 1;
+
+ /* get dataset space */
+ if ((sid = H5Dget_space(did))<0)
+ goto out;
+
+ /* get rank */
+ if ((rank=H5Sget_simple_extent_ndims(sid))<0)
+ goto out;
+
+ /* get dimensions of dataset */
+ if (H5Sget_simple_extent_dims(sid,dims,NULL)<0)
+ goto out;
+
+ /* close the dataspace id */
+ if (H5Sclose(sid)<0)
+ goto out;
+
+ /* try to find the attribute "DIMENSION_LIST" on the >>data<< dataset */
+ if ((has_dimlist = H5LT_find_attribute(did,DIMENSION_LIST))<0)
+ goto out;
+
+ if (has_dimlist == 0)
+ has_ds = 0;
+
+ else if (has_dimlist == 1 )
+ {
+ if ((aid = H5Aopen_name(did,DIMENSION_LIST))<0)
+ goto out;
+
+ if ((tid = H5Aget_type(aid))<0)
+ goto out;
+
+ if ((sid = H5Aget_space(aid))<0)
+ goto out;
+
+ /* allocate and initialize the VL */
+ buf = (hvl_t*)malloc((size_t)rank * sizeof(hvl_t));
+
+ if (buf == NULL)
+ goto out;
+
+ /* read */
+ if (H5Aread(aid,tid,buf)<0)
+ goto out;
+
+/*-------------------------------------------------------------------------
+ * check if we have at least one entry for each dimension
+ *-------------------------------------------------------------------------
+ */
+ for(i=0; i<rank; i++)
+ {
+ if (buf[i].len == 0)
+ has_ds = 0;
+ }
+
+/*-------------------------------------------------------------------------
+ * check if the DSs are valid
+ *-------------------------------------------------------------------------
+ */
+
+ for(i=0; i<rank; i++)
+ {
+ if (buf[i].len)
+ {
+ /* get the reference */
+ ref = ((hobj_ref_t *)buf[i].p)[0];
+
+ /* get the DS id */
+ if ((dsid = H5Rdereference(did,H5R_OBJECT,&ref))<0)
+ goto out;
+
+ /* check information in referenced dataset */
+ if ((dssid = H5Dget_space(dsid))<0)
+ goto out;
+
+ /* get size of the DS array */
+ if ((dsnelmts = H5Sget_simple_extent_npoints(dssid))<0)
+ goto out;
+
+ /* the size of the DS array must match the dimension of the dataset */
+ if (dsnelmts != (hssize_t)dims[i])
+ has_ds = 0;
+
+ /* close the dereferenced dataset */
+ if (H5Dclose(dsid)<0)
+ goto out;
+ if (H5Sclose(dssid)<0)
+ goto out;
+ }
+ }
+
+ /* close */
+ if (H5Dvlen_reclaim(tid,sid,H5P_DEFAULT,buf)<0)
+ goto out;
+ if (H5Sclose(sid)<0)
+ goto out;
+ if (H5Tclose(tid)<0)
+ goto out;
+ if (H5Aclose(aid)<0)
+ goto out;
+ /* free the VL buffer */
+ if (buf)
+ free(buf);
+
+ } /* has_dimlist */
+
+ return has_ds;
+
+/* error zone, gracefully close */
+out:
+ H5E_BEGIN_TRY {
+ H5Sclose(sid);
+ H5Tclose(tid);
+ H5Aclose(aid);
+ } H5E_END_TRY;
+ return FAIL;
+
+}
+
diff --git a/hl/src/H5DS.h b/hl/src/H5DS.h
new file mode 100644
index 0000000..0b4842f
--- /dev/null
+++ b/hl/src/H5DS.h
@@ -0,0 +1,73 @@
+
+/****************************************************************************
+ * NCSA HDF *
+ * Scientific Data Technologies *
+ * National Center for Supercomputing Applications *
+ * University of Illinois at Urbana-Champaign *
+ * 605 E. Springfield, Champaign IL 61820 *
+ * *
+ * For conditions of distribution and use, see the accompanying *
+ * hdf/COPYING file. *
+ * *
+ ****************************************************************************/
+
+
+#ifndef _H5DS_H
+#define _H5DS_H
+
+#include <hdf5.h>
+
+#ifndef TRUE
+#define TRUE 1
+#endif
+
+#define DIMENSION_SCALE_CLASS "DIMENSION_SCALE"
+#define DIMENSION_LIST "DIMENSION_LIST"
+#define REFERENCE_LIST "REFERENCE_LIST"
+#define DIMENSION_LABELS "DIMENSION_LABELS"
+
+
+/* attribute type of a DS dataset */
+typedef struct ds_list_t {
+ hobj_ref_t ref; /* object reference */
+ int dim_idx; /* dimension index of the dataset */
+} ds_list_t;
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+ herr_t H5DSset_scale(hid_t did,
+ char *dimname);
+
+herr_t H5DSattach_scale(hid_t did,
+ hid_t dsid,
+ unsigned int idx);
+
+herr_t H5DSdetach_scale(hid_t did,
+ hid_t dsid,
+ unsigned int idx);
+
+herr_t H5DSset_label(hid_t did,
+ char *label,
+ unsigned int idx);
+
+herr_t H5DSget_label(hid_t did,
+ char *label,
+ unsigned int idx);
+
+herr_t H5DSget_scale_name(hid_t did,
+ char *buf);
+
+
+herr_t H5DSis_scale(hid_t did);
+
+herr_t H5DShas_scale(hid_t did);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/hl/src/H5IM.c b/hl/src/H5IM.c
index 4d5ce75..d1633f0 100644
--- a/hl/src/H5IM.c
+++ b/hl/src/H5IM.c
@@ -537,7 +537,7 @@ herr_t H5IMlink_palette( hid_t loc_id,
hsize_t dim_ref;
int ok_pal;
- /* The image dataset may or not have the attribute "PALETTE"
+ /* The image dataset may or may not have the attribute "PALETTE"
* First we try to open to see if it is already there; if not, it is created.
* If it exists, the array of references is extended to hold the reference
* to the new palette
@@ -946,6 +946,10 @@ herr_t H5IMget_palette_info( hid_t loc_id,
if ( H5Sclose( attr_space_id ) < 0 )
goto out;
+ /* close the dereferenced dataset */
+ if (H5Dclose(pal_id)<0)
+ goto out;
+
free( refbuf );
} /* H5T_REFERENCE */
@@ -1057,6 +1061,10 @@ herr_t H5IMget_palette( hid_t loc_id,
if ( H5Sclose( attr_space_id ) < 0 )
goto out;
+ /* close the dereferenced dataset */
+ if (H5Dclose(pal_id)<0)
+ goto out;
+
free( refbuf );
} /* H5T_REFERENCE */
diff --git a/hl/src/H5LT.c b/hl/src/H5LT.c
index c8ac099..a076058 100644
--- a/hl/src/H5LT.c
+++ b/hl/src/H5LT.c
@@ -16,7 +16,7 @@
/*-------------------------------------------------------------------------
*
- * Private functions
+ * internal functions
*
*-------------------------------------------------------------------------
*/
@@ -2617,6 +2617,12 @@ herr_t H5LTget_attribute( hid_t loc_id,
return 0;
}
+
+/*-------------------------------------------------------------------------
+ * private functions
+ *-------------------------------------------------------------------------
+ */
+
/*-------------------------------------------------------------------------
* Function: H5LT_get_attribute_mem
@@ -2714,3 +2720,94 @@ out:
+
+/*-------------------------------------------------------------------------
+ * Function: H5LT_set_attribute_string
+ *
+ * Purpose: creates and writes an attribute named NAME to the dataset DSET_ID
+ *
+ * Return: FAIL on error, SUCCESS on success
+ *
+ * Programmer: pvn@ncsa.uiuc.edu
+ *
+ * Date: January 04, 2005
+ *
+ * Comments:
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+
+
+herr_t H5LT_set_attribute_string(hid_t dset_id,
+ char *name,
+ char *buf )
+{
+ hid_t tid;
+ hid_t sid;
+ hid_t aid;
+ int has_attr;
+ size_t size;
+
+ /* verify if the attribute already exists */
+ has_attr = H5LT_find_attribute(dset_id,name);
+
+ /* the attribute already exists, delete it */
+ if ( has_attr == 1 )
+ {
+ if ( H5Adelete(dset_id,name)<0)
+ return FAIL;
+ }
+
+/*-------------------------------------------------------------------------
+ * create the attribute type
+ *-------------------------------------------------------------------------
+ */
+ if ((tid = H5Tcopy(H5T_C_S1))<0)
+ return FAIL;
+
+ size = strlen(buf) + 1; /* extra null term */
+
+ if (H5Tset_size(tid,(size_t)size)<0)
+ goto out;
+
+ if (H5Tset_strpad(tid,H5T_STR_NULLTERM)<0)
+ goto out;
+
+ if ((sid = H5Screate(H5S_SCALAR))<0)
+ goto out;
+
+
+/*-------------------------------------------------------------------------
+ * create and write the attribute
+ *-------------------------------------------------------------------------
+ */
+ if ((aid = H5Acreate(dset_id,name,tid,sid,H5P_DEFAULT))<0)
+ goto out;
+
+ if (H5Awrite(aid,tid,buf)<0)
+ goto out;
+
+ if (H5Aclose(aid)<0)
+ goto out;
+
+ if (H5Sclose(sid)<0)
+ goto out;
+
+ if (H5Tclose(tid)<0)
+ goto out;
+
+ return SUCCESS;
+
+ /* error zone, gracefully close */
+out:
+ H5E_BEGIN_TRY {
+ H5Aclose(aid);
+ H5Tclose(tid);
+ H5Sclose(sid);
+ } H5E_END_TRY;
+ return FAIL;
+
+}
+
diff --git a/hl/src/H5LT.h b/hl/src/H5LT.h
index aa4b1b1..bdf7f8f 100644
--- a/hl/src/H5LT.h
+++ b/hl/src/H5LT.h
@@ -17,6 +17,15 @@
#include <hdf5.h>
+
+#ifndef FAIL
+#define FAIL -1
+#endif
+
+#ifndef SUCCESS
+#define SUCCESS 0
+#endif
+
#define TESTING(WHAT) {printf("%-70s", "Testing " WHAT); fflush(stdout);}
#define PASSED() {puts(" PASSED");fflush(stdout);}
#define H5_FAILED() {puts("*FAILED*");fflush(stdout);}
@@ -364,6 +373,10 @@ herr_t H5LT_set_attribute_numerical( hid_t loc_id,
hid_t type_id,
const void *data );
+herr_t H5LT_set_attribute_string(hid_t dset_id,
+ char *name,
+ char *buf );
+
diff --git a/hl/src/Makefile.in b/hl/src/Makefile.in
index 51b2664..e38fc7b 100644
--- a/hl/src/Makefile.in
+++ b/hl/src/Makefile.in
@@ -18,7 +18,7 @@ LIBHDF5=$(top_builddir)/src/libhdf5.la
CLEAN=
## Source and object files for the library (lexicographically)...
-LIB_SRC=H5LT.c H5TB.c H5IM.c
+LIB_SRC=H5LT.c H5TB.c H5IM.c H5DS.c
LIB_OBJ=$(LIB_SRC:.c=.lo)
@@ -26,7 +26,7 @@ LIB_OBJ=$(LIB_SRC:.c=.lo)
MOSTLYCLEAN=
## Public header files (to be installed)...
-PUB_HDR=H5IM.h H5LT.h H5TB.h
+PUB_HDR=H5IM.h H5LT.h H5TB.h H5DS.h
## Other header files (not to be installed)...
PRIVATE_HDR=
diff --git a/hl/test/Dependencies b/hl/test/Dependencies
index 6db6ffb..97bfcb9 100644
--- a/hl/test/Dependencies
+++ b/hl/test/Dependencies
@@ -10,5 +10,5 @@ test_image.lo: \
$(top_srcdir)/hl/src/H5LT.h
test_table.lo: \
$(top_srcdir)/hl/test/test_table.c \
- $(top_srcdir)/hl/src/H5TA.h \
+ $(top_srcdir)/hl/src/H5TB.h \
$(top_srcdir)/hl/src/H5LT.h
diff --git a/hl/test/Makefile.in b/hl/test/Makefile.in
index a44f305..abc31b7 100644
--- a/hl/test/Makefile.in
+++ b/hl/test/Makefile.in
@@ -16,7 +16,7 @@ CPPFLAGS=-I. -I$(srcdir) -I$(top_builddir)/src -I$(top_srcdir)/src -I$(top_srcdi
## executed, generally most specific tests to least specific tests.
RUNTEST=$(LT_RUN)
-TEST_PROGS=test_lite test_image test_table
+TEST_PROGS=test_lite test_image test_table test_ds
## The libh5test.a library provides common support code for the tests. We link
## this library statically because some systems can only link executables to
@@ -40,7 +40,7 @@ CLEAN=*.h5
## other source lists are for the individual tests, the files of which may
## overlap with other tests.
-TEST_SRC=test_lite.c test_image.c test_table.c
+TEST_SRC=test_lite.c test_image.c test_table.c test_ds.c
TEST_OBJ=$(TEST_SRC:.c=.lo)
@@ -60,5 +60,8 @@ test_image: test_image.lo
test_table: test_table.lo
@$(LT_LINK_EXE) $(CFLAGS) -o $@ test_table.lo $(LIBHDF5_HL) $(LIBHDF5) $(LDFLAGS) $(LIBS)
-
+test_ds: test_ds.lo
+ @$(LT_LINK_EXE) $(CFLAGS) -o $@ test_ds.lo $(LIBHDF5_HL) $(LIBHDF5) $(LDFLAGS) $(LIBS)
+
+
@CONCLUDE@