summaryrefslogtreecommitdiffstats
path: root/c++/src/H5CommonFG.h
blob: 2a2e6cd8e95d9f8666c911855e7824dd4b3ef4e5 (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
// C++ informative line for the emacs editor: -*- C++ -*-
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * 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 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://hdfgroup.org/HDF5/doc/Copyright.html.  If you do not have          *
 * access to either file, you may request a copy from help@hdfgroup.org.     *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

// CommonFG is a protocol class.  Its existence is simply to provide the
// common services that are provided by H5File and Group.  The file or
// group in the context of this class is referred to as 'location'.

#ifndef _CommonFG_H
#define _CommonFG_H

#ifndef H5_NO_NAMESPACE
namespace H5 {
#endif

class Group;
class H5File;
class ArrayType;
class VarLenType;
class H5_DLLCPP CommonFG {
   public:
	// Creates a new group at this location which can be a file
	// or another group.
	Group createGroup(const char* name, size_t size_hint = 0) const;
	Group createGroup(const H5std_string& name, size_t size_hint = 0) const;

	// Opens an existing group in a location which can be a file
	// or another group.
	Group openGroup(const char* name) const;
	Group openGroup(const H5std_string& name) const;

	// Creates a new dataset at this location.
	DataSet createDataSet(const char* name, const DataType& data_type, const DataSpace& data_space, const DSetCreatPropList& create_plist = DSetCreatPropList::DEFAULT) const;
	DataSet createDataSet(const H5std_string& name, const DataType& data_type, const DataSpace& data_space, const DSetCreatPropList& create_plist = DSetCreatPropList::DEFAULT) const;

	// Opens an existing dataset at this location.
	DataSet openDataSet(const char* name) const;
	DataSet openDataSet(const H5std_string& name) const;

	// Retrieves comment for the HDF5 object specified by its name.
	H5std_string getComment(const H5std_string& name) const;
	H5std_string getComment(const char* name, size_t bufsize) const;
	H5std_string getComment(const H5std_string& name, size_t bufsize) const;

	// Removes the comment for the HDF5 object specified by its name.
	void removeComment(const char* name) const;
	void removeComment(const H5std_string& name) const;

	// Sets the comment for an HDF5 object specified by its name.
	void setComment(const char* name, const char* comment) const;
	void setComment(const H5std_string& name, const H5std_string& comment) const;

	// Returns the name of the HDF5 object that the symbolic link points to.
	H5std_string getLinkval(const char* name, size_t size) const;
	H5std_string getLinkval(const H5std_string& name, size_t size) const;

	// Returns the number of objects in this group.
	hsize_t getNumObjs() const;

	// Retrieves the name of an object in this group, given the
	// object's index.
	ssize_t getObjnameByIdx(hsize_t idx, H5std_string& name, size_t size) const;
	H5std_string getObjnameByIdx(hsize_t idx) const;

	// Returns the type of an object in this group, given the
	// object's index.
	H5G_obj_t getObjTypeByIdx(hsize_t idx) const;
	H5G_obj_t getObjTypeByIdx(hsize_t idx, H5std_string& type_name) const;

#ifndef H5_NO_DEPRECATED_SYMBOLS
	// Returns information about an HDF5 object, given by its name,
	// at this location.
	void getObjinfo(const char* name, hbool_t follow_link, H5G_stat_t& statbuf) const;
	void getObjinfo(const H5std_string& name, hbool_t follow_link, H5G_stat_t& statbuf) const;
	void getObjinfo(const char* name, H5G_stat_t& statbuf) const;
	void getObjinfo(const H5std_string& name, H5G_stat_t& statbuf) const;

	// Iterates over the elements of this group - not implemented in
	// C++ style yet.
	int iterateElems(const char* name, int *idx, H5G_iterate_t op, void *op_data);
	int iterateElems(const H5std_string& name, int *idx, H5G_iterate_t op, void *op_data);
#endif /* H5_NO_DEPRECATED_SYMBOLS */

	// Creates a link of the specified type from new_name to current_name;
	// both names are interpreted relative to the specified location id.
	void link(H5L_type_t link_type, const char* curr_name, const char* new_name) const;
	void link(H5L_type_t link_type, const H5std_string& curr_name, const H5std_string& new_name) const;

	// Removes the specified name at this location.
	void unlink(const char* name) const;
	void unlink(const H5std_string& name) const;

	// Mounts the file 'child' onto this location.
	void mount(const char* name, H5File& child, PropList& plist) const;
	void mount(const H5std_string& name, H5File& child, PropList& plist) const;

	// Unmounts the file named 'name' from this parent location.
	void unmount(const char* name) const;
	void unmount(const H5std_string& name) const;

	// Renames an object at this location.
	void move(const char* src, const char* dst) const;
	void move(const H5std_string& src, const H5std_string& dst) const;

	// Opens a generic named datatype in this location.
	DataType openDataType(const char* name) const;
	DataType openDataType(const H5std_string& name) const;

	// Opens a named array datatype in this location.
	ArrayType openArrayType(const char* name) const;
	ArrayType openArrayType(const H5std_string& name) const;

	// Opens a named compound datatype in this location.
	CompType openCompType(const char* name) const;
	CompType openCompType(const H5std_string& name) const;

	// Opens a named enumeration datatype in this location.
	EnumType openEnumType(const char* name) const;
	EnumType openEnumType(const H5std_string& name) const;

	// Opens a named integer datatype in this location.
	IntType openIntType(const char* name) const;
	IntType openIntType(const H5std_string& name) const;

	// Opens a named floating-point datatype in this location.
	FloatType openFloatType(const char* name) const;
	FloatType openFloatType(const H5std_string& name) const;

	// Opens a named string datatype in this location.
	StrType openStrType(const char* name) const;
	StrType openStrType(const H5std_string& name) const;

	// Opens a named variable length datatype in this location.
	VarLenType openVarLenType(const char* name) const;
	VarLenType openVarLenType(const H5std_string& name) const;

#ifndef DOXYGEN_SHOULD_SKIP_THIS
	/// For subclasses, H5File and Group, to return the correct
	/// object id, i.e. file or group id.
	virtual hid_t getLocId() const = 0;

#endif // DOXYGEN_SHOULD_SKIP_THIS

	/// For subclasses, H5File and Group, to throw appropriate exception.
	virtual void throwException(const H5std_string& func_name, const H5std_string& msg) const = 0;

	// Default constructor.
	CommonFG();

	// Noop destructor.
	virtual ~CommonFG();

}; // end of CommonFG declaration

#ifndef H5_NO_NAMESPACE
}
#endif
#endif