src/HDFPersist/HDFgroup.cc

   1 using namespace std;
   2 extern "C"
   3 {
   4 #include "hdfi.h"
   5 #include <string.h>
   6 }
   7 #include "HDFgroup.hxx"
   8 #include "HDFexception.hxx"
   9
  10 HDFgroup::HDFgroup(char *name, HDFcontainerObject *father)
  11   : HDFcontainerObject(name)
  12 {
  13   _father = father;
  14   _fid = _father->GetId();
  15   _father->AddSon(this);
  16   _mid = -1;
  17 };
  18
  19 void HDFgroup::CreateOnDisk()
  20 {
  21   if ((_id = HDFgroupCreate(_fid,_name)) < 0)
  22     throw HDFexception("Can't create group");
  23 }
  24
  25 void HDFgroup::OpenOnDisk()
  26 {
  27   if ((_id = HDFgroupOpen(_fid,_name)) < 0)
  28     throw HDFexception("Can't open group");
  29 }
  30
  31 void HDFgroup::CloseOnDisk()
  32 {
  33   hdf_err ret;
  34
  35   if ((ret = HDFgroupClose(_id)) < 0)
  36     throw HDFexception("Can't close group");
  37   _id = -1;
  38 }
  39
  40 HDFcontainerObject *HDFgroup::GetFather()
  41 {
  42   return _father;
  43 }
  44
  45 hdf_object_type HDFgroup::GetObjectType()
  46 {
  47   return HDF_GROUP;
  48 }
  49
  50 int HDFgroup::nInternalObjects()
  51 {
  52   int n = 0;
  53   hdf_err ret;
  54
  55   if ((ret = HDFnObjects(_fid,_name,&n)) < 0)
  56     throw HDFexception("Can't determine the number of internal objects");
  57
  58   return  n;
  59 }
  60
  61 void HDFgroup::InternalObjectIndentify(int rank, char *object_name)
  62 {
  63   hdf_err ret;
  64
  65   if ((ret = HDFobjectIdentify(_fid,_name,rank,object_name)) < 0)
  66     throw HDFexception("Can't identify an internal object");
  67 }
  68
  69 int HDFgroup::ExistInternalObject(char *object_name)
  70 {
  71   int n,i;
  72   int ret = 0;
  73   char name[HDF_NAME_MAX_LEN+1];
  74
  75   n = this->nInternalObjects();
  76   for (i=0;i<n;i++)
  77     {
  78       this->InternalObjectIndentify(i,name);
  79       if (!strcmp(name,object_name))
  80         {
  81           ret = 1;
  82           break;
  83         }
  84     }
  85   return ret;
  86 }
  87
  88 hdf_object_type HDFgroup::InternalObjectType(char *object_name)
  89 {
  90   hdf_object_type type;
  91   hdf_err ret;
  92
  93   if ((ret = HDFobjectType(_id,object_name,&type)) < 0)
  94     throw HDFexception("Can't determine internal object type");
  95
  96   return type;
  97 }
  98
  99 void HDFgroup::FileMount(char *file,hdf_access_mode mode)
 100 {
 101   hdf_err ret;
 102
 103   if (_mid != -1)
 104     throw HDFexception("Can't mount the file");
 105
 106   if ((_mid = HDFfileOpen(file,mode)) < 0)
 107     throw HDFexception("Can't mount the file");
 108
 109   if ((ret = HDFfileMount(_fid,_name,_mid)) < 0)
 110     throw HDFexception("Can't mount the file");
 111 }
 112
 113 void HDFgroup::FileUnMount()
 114 {
 115   hdf_err ret;
 116
 117   if ((ret = HDFfileUmount(_fid,_name)) < 0)
 118         throw HDFexception("Can't unmount the file");
 119
 120   if ((ret = HDFfileClose(_mid)) < 0)
 121         throw HDFexception("Can't unmount the file");
 122
 123   _mid = -1;
 124 }