summaryrefslogtreecommitdiffstats
path: root/c++/src/H5Group.cpp
blob: 95bce03b95b9ff7fc268ea2e95cbc8a4196eea11 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
  * Copyright by the Board of Trustees of the University of Illinois.         *
  * All rights reserved.                                                      *
  *                                                                           *
  * This file is part of HDF5.  The full HDF5 copyright notice, including     *
  * terms governing use, modification, and redistribution, is contained in    *
  * the files COPYING and Copyright.html.  COPYING can be found at the root   *
  * of the source code distribution tree; Copyright.html can be found at the  *
  * root level of an installed copy of the electronic HDF5 document set and   *
  * is linked from the top-level documents page.  It can also be found at     *
  * http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html.  If you do not have     *
  * access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
  * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

#include <string>
#ifdef OLD_HEADER_FILENAME
#include <iostream.h>
#else
#include <iostream>
#endif

#include "H5Include.h"
#include "H5Exception.h"
#include "H5IdComponent.h"
#include "H5PropList.h"
#include "H5Object.h"
#include "H5AbstractDs.h"
#include "H5FaccProp.h"
#include "H5FcreatProp.h"
#include "H5DcreatProp.h"
#include "H5DxferProp.h"
#include "H5DataSpace.h"
#include "H5DataSet.h"
#include "H5CommonFG.h"
#include "H5Group.h"
#include "H5File.h"
#include "H5Alltypes.h"

#ifndef H5_NO_NAMESPACE
namespace H5 {
#endif

//--------------------------------------------------------------------------
// Function:	Group default constructor
///\brief	Default constructor: creates a stub Group.
// Programmer	Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
Group::Group() : H5Object() {}

//--------------------------------------------------------------------------
// Function:	Group copy constructor
///\brief	Copy constructor: makes a copy of the original Group object.
///\param	original - IN: Original group to copy
// Programmer	Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
Group::Group( const Group& original ) : H5Object( original ) {}

//--------------------------------------------------------------------------
// Function:	Group::getLocId
///\brief	Returns the id of this group.
///\return	Id of this group
// Programmer	Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
hid_t Group::getLocId() const
{
   return( getId() );
}

//--------------------------------------------------------------------------
// Function:	Group overloaded constructor
///\brief	Creates a Group object using the id of an existing group.
///\param	group_id - IN: Id of an existing group
// Programmer	Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
Group::Group( const hid_t group_id ) : H5Object( group_id ) {}

//--------------------------------------------------------------------------
// Function:	Group::Reference
///\brief	Creates a reference to an HDF5 object or a dataset region.
///\param	name - IN: Name of the object to be referenced
///\param	dataspace - IN: Dataspace with selection
///\param	ref_type - IN: Type of reference; default to \c H5R_DATASET_REGION
///\return	A reference
///\exception	H5::ReferenceIException
// Programmer	Binh-Minh Ribler - May, 2004
//--------------------------------------------------------------------------
void* Group::Reference(const char* name, DataSpace& dataspace, H5R_type_t ref_type) const
{
   return(p_reference(name, dataspace.getId(), ref_type));
}

//--------------------------------------------------------------------------
// Function:	Group::Reference
///\brief	This is an overloaded function, provided for your convenience.
///		It differs from the above function in that it only creates
///		a reference to an HDF5 object, not to a dataset region.
///\param	name - IN: Name of the object to be referenced
///\return	A reference
///\exception	H5::ReferenceIException
///\par Description
//		This function passes H5R_OBJECT and -1 to the protected 
//		function for it to pass to the C API H5Rcreate
//		to create a reference to the named object.
// Programmer	Binh-Minh Ribler - May, 2004
//--------------------------------------------------------------------------
void* Group::Reference(const char* name) const
{
   return(p_reference(name, -1, H5R_OBJECT));
}

//--------------------------------------------------------------------------
// Function:	Group::getObjType
///\brief	Retrieves the type of object that an object reference points to.
///\param		ref      - IN: Reference to query
///\param		ref_type - IN: Type of reference to query
// Return	An object type, which can be one of the following:
//			H5G_LINK Object is a symbolic link.  
//			H5G_GROUP Object is a group.  
//			H5G_DATASET   Object is a dataset.  
//			H5G_TYPE Object is a named datatype 
// Exception	H5::ReferenceIException
// Programmer	Binh-Minh Ribler - May, 2004
//--------------------------------------------------------------------------
H5G_obj_t Group::getObjType(void *ref, H5R_type_t ref_type) const
{
   return(p_get_obj_type(ref, ref_type));
}

//--------------------------------------------------------------------------
// Function:	Group::getRegion
///\brief	Retrieves a dataspace with the region pointed to selected.
///\param	ref      - IN: Reference to get region of
///\param	ref_type - IN: Type of reference to get region of - default
///\return	DataSpace instance
///\exception	H5::ReferenceIException
// Programmer	Binh-Minh Ribler - May, 2004
//--------------------------------------------------------------------------
DataSpace Group::getRegion(void *ref, H5R_type_t ref_type) const
{
   DataSpace dataspace(p_get_region(ref, ref_type));
   return(dataspace);
}

//--------------------------------------------------------------------------
// Function:	Group::throwException
///\brief	Throws H5::GroupIException.
///\param	func_name - Name of the function where failure occurs
///\param	msg       - Message describing the failure
///\exception	H5::GroupIException
// Description
//		This function is used in CommonFG implementation so that
//		proper exception can be thrown for file or group.  The
//		argument func_name is a member of CommonFG and "Group::"
//		will be inserted to indicate the function called is an
//		implementation of Group.
// Programmer	Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
void Group::throwException(const string func_name, const string msg) const
{
   string full_name = func_name;
   full_name.insert(0, "Group::");
   throw GroupIException(full_name, msg);
}

//--------------------------------------------------------------------------
// Function:	Group destructor
///\brief	Properly terminates access to this group.
// Programmer	Binh-Minh Ribler - 2000
// Modification
//              Replaced resetIdComponent with decRefCount to use new ID
//              reference counting mechanisms by Quincey Koziol, June 1, 2004
//--------------------------------------------------------------------------
Group::~Group()
{  
   // The group id will be closed properly
    try {
        decRefCount();
    }
    catch (Exception close_error) { 
        cerr << "Group::~Group - " << close_error.getDetailMsg() << endl;
    }

}  

#ifndef H5_NO_NAMESPACE
} // end namespace
#endif