diff options
Diffstat (limited to 'hl/src/H5DS.c')
| -rw-r--r-- | hl/src/H5DS.c | 290 |
1 files changed, 8 insertions, 282 deletions
diff --git a/hl/src/H5DS.c b/hl/src/H5DS.c index 0615a80..902fb9b 100644 --- a/hl/src/H5DS.c +++ b/hl/src/H5DS.c @@ -1267,7 +1267,7 @@ out: * Parameters: * * hid_t DID; IN: the dataset - * unsigned int dim; IN: the dimension of dset + * unsigned int dim; IN: the dimension of the dataset * int *idx; IN/OUT: input the index to start iterating, output the next index * to visit. If NULL, start at the first position. * H5DS_iterate_t visitor; IN: the visitor function @@ -1303,7 +1303,7 @@ herr_t H5DSiterate_scales(hid_t did, H5DS_iterate_t visitor, void *visitor_data ) { - hid_t scale_id; + hid_t scale_id=0; int rank; hobj_ref_t ref; /* reference to the DS */ hid_t sid; /* space ID */ @@ -1369,14 +1369,18 @@ herr_t H5DSiterate_scales(hid_t did, for(i=j_idx; i<nscales; i++) { /* get the reference */ - ref = ((hobj_ref_t *)buf[dim].p)[j_idx]; + ref = ((hobj_ref_t *)buf[dim].p)[ i ]; /* get the DS id */ if ((scale_id = H5Rdereference(did,H5R_OBJECT,&ref))<0) goto out; if((ret_value=(visitor)(did,dim,scale_id,visitor_data))!=0) + { + /* set the return IDX OUT value at current scale index and break */ + if (idx!=NULL) *idx = i; break; + } } /* i */ } /* if */ @@ -1390,7 +1394,7 @@ herr_t H5DSiterate_scales(hid_t did, goto out; if (H5Aclose(aid)<0) goto out; - if (H5Dclose(scale_id)<0) + if (scale_id && H5Dclose(scale_id)<0) goto out; if (buf) free(buf); @@ -1404,281 +1408,3 @@ out: } -#if 0 -/*------------------------------------------------------------------------- - * Function: H5DSget_nscales - * - * Purpose: get the number of scales linked to the IDX dimension of DNAME - * - * 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: January 13, 2005 - * - * Comments: - * - * Modifications: - * - *------------------------------------------------------------------------- - */ - -herr_t H5DSget_nscales(hid_t did, - unsigned int dim, - int *nscales) -{ - int has_dimlist; - hid_t sid; /* space ID */ - hid_t tid; /* attribute type ID */ - hid_t aid; /* attribute ID */ - int rank; /* rank of dataset */ - hvl_t *buf; /* VL buffer to store in the attribute */ - hobj_ref_t ref; /* reference to the DS */ - int i, n; - -/*------------------------------------------------------------------------- - * the attribute "DIMENSION_LIST" on the >>data<< dataset must exist - *------------------------------------------------------------------------- - */ - /* 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; - - /* DIM range checking */ - if (dim>=(unsigned int )rank) - 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 */ - if (has_dimlist == 0) - goto out; - -/*------------------------------------------------------------------------- - * the attribute exists, open it - *------------------------------------------------------------------------- - */ - - 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,n=0; i<buf[dim].len; i++) - { - ref = ((hobj_ref_t *)buf[dim].p)[i]; - if (ref) n++; - } - /* return value */ - *nscales =n; - - /* 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 */ - - return SUCCESS; - -/* error zone, gracefully close */ -out: - H5E_BEGIN_TRY { - H5Dclose(did); - H5Sclose(sid); - H5Aclose(aid); - H5Tclose(tid); - } H5E_END_TRY; - return FAIL; - -} - -/*------------------------------------------------------------------------- - * Function: H5DSiterate_scales - * - * Purpose: H5DSiterate_scales iterates over the scales attached to dimension dim - * of dataset dset. For each scale in the list, the visitor_data and some - * additional information, specified below, are passed to the visitor function. - * The iteration begins with the idx object in the group and the next element - * to be processed by the operator is returned in idx. If idx is NULL, then the - * iterator starts at zero. - * - * Parameters: - * - * hid_t DID; IN: the dataset - * unsigned int dim; IN: the dimension of dset - * int *idx; IN/OUT: input the index to start iterating, output the next index - * to visit. If NULL, start at the first position. - * H5DS_iterate_t visitor; IN: the visitor function - * void *visitor_data; IN: arbitrary data to pass to the visitor function. - * - * Programmer: pvn@ncsa.uiuc.edu - * - * Date: January 31, 2005 - * - * Comments: - * - * Modifications: - * - *------------------------------------------------------------------------- - */ - -herr_t H5DSiterate_scales(hid_t did, - unsigned int dim, - int *idx, - H5DS_iterate_t visitor, - void *visitor_data ) -{ - hid_t scale_id; - int rank; - hobj_ref_t ref; /* reference to the DS */ - hid_t sid; /* space ID */ - hid_t tid; /* attribute type ID */ - hid_t aid; /* attribute ID */ - hvl_t *buf=NULL; /* VL buffer to store in the attribute */ - herr_t ret_value=0; - int j_idx; - int nscales; - int has_dimlist; - int i; - - /* get the number of scales assotiated with this DIM */ - if (H5DSget_nscales(did,dim,&nscales)<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; - - /* 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) - return SUCCESS; - - 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; - - if ( buf[dim].len > 0 ) - { - if (idx!=NULL) - j_idx = *idx; - else - j_idx=0; - - /* iterate */ - for(i=j_idx; i<nscales; i++) - { - /* get the reference */ - ref = ((hobj_ref_t *)buf[dim].p)[j_idx]; - - /* get the DS id */ - if ((scale_id = H5Rdereference(did,H5R_OBJECT,&ref))<0) - goto out; - - if((ret_value=(visitor)(did,dim,scale_id,visitor_data))==1) - { - /* 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 (H5Dclose(scale_id)<0) - goto out; - if (buf) - free(buf); - return SUCCESS; - } /* if */ - } /* i */ - } /* if */ - - /* 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 (H5Dclose(scale_id)<0) - goto out; - if (buf) - free(buf); - - if (ret_value<0) - goto out; - - } /* if has_dimlist */ - - return 0; - -out: - return FAIL; -} - -#endif - - |