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Geant4/externals/g4tools/include/toolx/hdf5/atb

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  1 // Copyright (C) 2010, Guy Barrand. All rights reserved.
  2 // See the file tools.license for terms.
  3 
  4 #ifndef toolx_hdf5_atb
  5 #define toolx_hdf5_atb
  6 
  7 // The below is internal methods in the HDF5 lib.
  8 
  9 #include "hdf5_h"
 10 
 11 #include <cstring>
 12 
 13 namespace toolx {
 14 namespace hdf5 {
 15 
 16 inline herr_t H5LT_get_attribute_mem(hid_t obj_id,const char *attr_name,hid_t mem_type_id,void *data ) {
 17   hid_t attr_id;
 18   if ( ( attr_id = ::H5Aopen_name( obj_id, attr_name ) ) < 0 )  return -1;
 19   if ( ::H5Aread( attr_id, mem_type_id, data ) < 0 ) {
 20     ::H5Aclose( attr_id );
 21     return -1;
 22   }
 23   if ( ::H5Aclose( attr_id ) < 0 )  return -1;
 24   return 0;
 25 }
 26 
 27 inline herr_t find_attr( hid_t loc_id, const char *name, void *op_data) {
 28   int ret = 0;
 29   char *attr_name = (char*)op_data;
 30   if( ::strcmp( name, attr_name ) == 0 ) ret = 1;
 31   (void)loc_id;
 32   return ret;
 33 }
 34 
 35 inline herr_t H5LT_find_attribute( hid_t loc_id, const char* attr_name ) {
 36   unsigned int attr_num;
 37   attr_num = 0;
 38   return toolx_H5Aiterate( loc_id, &attr_num, find_attr, (void *)attr_name );
 39 }
 40 
 41 inline herr_t H5LT_get_attribute_disk( hid_t loc_id,const char *attr_name,void *attr_out ) {
 42   hid_t      attr_id;
 43   if ( ( attr_id = ::H5Aopen_name( loc_id, attr_name ) ) < 0 )  return -1;
 44 
 45   hid_t      attr_type;
 46   if ( (attr_type = ::H5Aget_type( attr_id )) < 0 ) {
 47     ::H5Tclose( attr_type );
 48     ::H5Aclose( attr_id );
 49     return -1;
 50   }
 51 
 52   if ( ::H5Aread( attr_id, attr_type, attr_out ) < 0 ) {
 53     ::H5Tclose( attr_type );
 54     ::H5Aclose( attr_id );
 55     return -1;
 56   }
 57 
 58   if ( ::H5Tclose( attr_type )  < 0 ) {
 59     ::H5Tclose( attr_type );
 60     ::H5Aclose( attr_id );
 61     return -1;
 62   }
 63 
 64   if ( ::H5Aclose( attr_id ) < 0 )  return -1;
 65 
 66   return 0;
 67 
 68 }
 69 
 70 }}
 71 
 72 #endif