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// C++ informative line for the emacs editor: -*- C++ -*-
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#ifndef _H5Object_H
#define _H5Object_H
#include "H5Classes.h" // constains forward class declarations
// H5Object is a baseclass. It has these subclasses:
// Group, AbstractDs, and DataType.
// AbstractDs, in turn, has subclasses DataSet and Attribute.
// DataType, in turn, has several specific datatypes as subclasses.
#ifndef H5_NO_NAMESPACE
namespace H5 {
#endif
class H5_DLLCPP H5Object; // forward declaration for UserData4Aiterate
// Define the operator function pointer for H5Aiterate().
typedef void (*attr_operator_t)( H5Object& loc/*in*/,
const string attr_name/*in*/,
void *operator_data/*in,out*/);
class UserData4Aiterate { // user data for attribute iteration
public:
unsigned int* idx;
attr_operator_t op;
void* opData;
H5Object* object;
};
// The above part is being moved into Iterator, but not completed
class H5_DLLCPP H5Object : public IdComponent {
public:
// Copy constructor: makes copy of an H5Object object.
H5Object( const H5Object& original );
// Flushes all buffers associated with this object to disk
void flush( H5F_scope_t scope ) const;
// Creates an attribute for a group, dataset, or named datatype.
// PropList is currently not used, so always be default.
Attribute createAttribute( const char* name, const DataType& type, const DataSpace& space, const PropList& create_plist = PropList::DEFAULT ) const;
Attribute createAttribute( const string& name, const DataType& type, const DataSpace& space, const PropList& create_plist = PropList::DEFAULT ) const;
// Opens an attribute given its name.
Attribute openAttribute( const char* name ) const;
Attribute openAttribute( const string& name ) const;
// Opens an attribute given its index.
Attribute openAttribute( const unsigned int idx ) const;
// Iterate user's function over the attributes of this object
int iterateAttrs( attr_operator_t user_op, unsigned* idx = NULL, void* op_data = NULL );
// Determines the number of attributes attached to this object.
int getNumAttrs() const;
// Removes the named attribute from this object.
void removeAttr( const char* name ) const;
void removeAttr( const string& name ) const;
// Creates a reference to a named Hdf5 object in this object.
void* Reference(const char* name) const;
// Creates a reference to a dataset region in this object.
void* Reference(const char* name, DataSpace& dataspace, H5R_type_t ref_type = H5R_DATASET_REGION) const;
virtual ~H5Object();
protected:
// Default constructor
H5Object();
// Creates a copy of an existing object giving the object id
H5Object( const hid_t object_id );
}; /* end class H5Object */
#ifndef H5_NO_NAMESPACE
}
#endif
#endif
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