summaryrefslogtreecommitdiffstats
path: root/c++/src/H5LcreatProp.cpp
blob: 29721c18090244d76cebbdf5028713e1edcfa230 (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
188
189
190
191
192
193
194
195
196
197
198
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * Copyright by The HDF Group.                                               *
 * 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 COPYING file, which can be found at the root of the source code       *
 * distribution tree, or in https://www.hdfgroup.org/licenses.               *
 * If you do not have access to either file, you may request a copy from     *
 * help@hdfgroup.org.                                                        *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

#include <string>

#include "H5Include.h"
#include "H5Exception.h"
#include "H5IdComponent.h"
#include "H5PropList.h"
#include "H5LcreatProp.h"

namespace H5 {

#ifndef DOXYGEN_SHOULD_SKIP_THIS
// This DOXYGEN_SHOULD_SKIP_THIS block is a work-around approach to control
// the order of creation and deletion of the global constants.  See Design Notes
// in "H5PredType.cpp" for information.

// Initialize a pointer for the constant
LinkCreatPropList *LinkCreatPropList::DEFAULT_ = 0;

//--------------------------------------------------------------------------
// Function:    LinkCreatPropList::getConstant
//              Creates a LinkCreatPropList object representing the HDF5 constant
//              H5P_LINK_CREATE, pointed to by LinkCreatPropList::DEFAULT_
// exception    H5::PropListIException
// Description
//              If LinkCreatPropList::DEFAULT_ already points to an allocated
//              object, throw a PropListIException.  This scenario should not
//              happen.
// December, 2016
//--------------------------------------------------------------------------
LinkCreatPropList *
LinkCreatPropList::getConstant()
{
    // Tell the C library not to clean up, H5Library::termH5cpp will call
    // H5close - more dependency if use H5Library::dontAtExit()
    if (!IdComponent::H5dontAtexit_called) {
        (void)H5dont_atexit();
        IdComponent::H5dontAtexit_called = true;
    }

    // If the constant pointer is not allocated, allocate it. Otherwise,
    // throw because it shouldn't be.
    if (DEFAULT_ == 0)
        DEFAULT_ = new LinkCreatPropList(H5P_LINK_CREATE);
    else
        throw PropListIException("LinkCreatPropList::getConstant",
                                 "LinkCreatPropList::getConstant is being invoked on an allocated DEFAULT_");
    return (DEFAULT_);
}

//--------------------------------------------------------------------------
// Function:    LinkCreatPropList::deleteConstants
// Purpose:     Deletes the constant object that LinkCreatPropList::DEFAULT_
//              points to.
// exception    H5::PropListIException
// December, 2016
//--------------------------------------------------------------------------
void
LinkCreatPropList::deleteConstants()
{
    if (DEFAULT_ != 0)
        delete DEFAULT_;
}

//--------------------------------------------------------------------------
// Purpose:     Constant for default property
//--------------------------------------------------------------------------
const LinkCreatPropList &LinkCreatPropList::DEFAULT = *getConstant();

#endif // DOXYGEN_SHOULD_SKIP_THIS

//--------------------------------------------------------------------------
// Function:    Default Constructor
///\brief       Creates a file access property list
// December, 2016
//--------------------------------------------------------------------------
LinkCreatPropList::LinkCreatPropList() : PropList(H5P_LINK_CREATE)
{
}

//--------------------------------------------------------------------------
// Function:    LinkCreatPropList copy constructor
///\brief       Copy constructor: same HDF5 object as \a original
///\param       original - IN: LinkCreatPropList instance to copy
// December, 2016
//--------------------------------------------------------------------------
LinkCreatPropList::LinkCreatPropList(const LinkCreatPropList &original) : PropList(original)
{
}

//--------------------------------------------------------------------------
// Function:    LinkCreatPropList overloaded constructor
///\brief       Creates a file access property list using the id of an
///             existing one.
// December, 2016
//--------------------------------------------------------------------------
LinkCreatPropList::LinkCreatPropList(const hid_t plist_id) : PropList(plist_id)
{
}

//--------------------------------------------------------------------------
// Function:    LinkCreatPropList::setCreateIntermediateGroup
///\brief       Specifies in property list whether to create missing
///             intermediate groups.
///\param       crt_intmd_group - IN: Flag specifying whether to create
///                               intermediate groups upon the creation of an object
///\exception   H5::PropListIException
// April, 2019
//--------------------------------------------------------------------------
void
LinkCreatPropList::setCreateIntermediateGroup(bool crt_intmd_group) const
{
    herr_t ret_value = H5Pset_create_intermediate_group(id, (unsigned)crt_intmd_group);
    // Throw exception if H5Pset_create_intermediate_group returns failure
    if (ret_value < 0) {
        throw PropListIException("setCreateIntermediateGroup", "H5Pset_create_intermediate_group failed");
    }
}

//--------------------------------------------------------------------------
// Function:    LinkCreatPropList::getCreateIntermediateGroup
///\brief       Determines whether property is set to enable creating missing
///             intermediate groups.
///\return      true if creating intermediate groups is enabled, and false, otherwise
///\exception   H5::PropListIException
// April, 2019
//--------------------------------------------------------------------------
bool
LinkCreatPropList::getCreateIntermediateGroup() const
{
    unsigned crt_intmd_group;
    herr_t   ret_value = H5Pget_create_intermediate_group(id, &crt_intmd_group);
    // Throw exception if H5Pget_create_intermediate_group returns failure
    if (ret_value < 0) {
        throw PropListIException("getCreateIntermediateGroup", "H5Pget_create_intermediate_group failed");
    }

    return ((bool)crt_intmd_group);
}

//--------------------------------------------------------------------------
// Function:    LinkCreatPropList::setCharEncoding
///\brief       Sets the character encoding of the string.
///
///\exception   H5::PropListIException
// March, 2018
//--------------------------------------------------------------------------
void
LinkCreatPropList::setCharEncoding(H5T_cset_t encoding) const
{
    herr_t ret_value = H5Pset_char_encoding(id, encoding);
    // Throw exception if H5Pset_char_encoding returns failure
    if (ret_value < 0) {
        throw PropListIException("setCharEncoding", "H5Pset_char_encoding failed");
    }
}

//--------------------------------------------------------------------------
// Function:    LinkCreatPropList::getCharEncoding
///\brief       Gets the character encoding of the string.
///\return      The character encoding
///\exception   H5::PropListIException
// March, 2018
//--------------------------------------------------------------------------
H5T_cset_t
LinkCreatPropList::getCharEncoding() const
{
    H5T_cset_t encoding;
    herr_t     ret_value = H5Pget_char_encoding(id, &encoding);
    // Throw exception if H5Pget_char_encoding returns failure
    if (ret_value < 0) {
        throw PropListIException("getCharEncoding", "H5Pget_char_encoding failed");
    }
    return (encoding);
}

//--------------------------------------------------------------------------
// Function:    LinkCreatPropList destructor
///\brief       Noop destructor
// December, 2016
//--------------------------------------------------------------------------
LinkCreatPropList::~LinkCreatPropList()
{
}

} // namespace H5