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// 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. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#ifndef _H5Attribute_H
#define _H5Attribute_H
#ifndef H5_NO_NAMESPACE
namespace H5 {
#endif
class H5_DLLCPP Attribute : public AbstractDs, public IdComponent {
public:
// Closes this attribute.
virtual void close();
// Gets the name of the file, in which this attribute belongs.
H5std_string getFileName() const;
// Gets the name of this attribute.
ssize_t getName( size_t buf_size, H5std_string& attr_name ) const;
H5std_string getName( size_t buf_size ) const; // returns name, not its length
H5std_string getName() const; // returns name, no argument
// Gets a copy of the dataspace for this attribute.
virtual DataSpace getSpace() const;
// Returns the amount of storage size required for this attribute.
hsize_t getStorageSize() const;
// Reads data from this attribute.
void read( const DataType& mem_type, void *buf ) const;
void read( const DataType& mem_type, H5std_string& strg ) const;
// Writes data to this attribute.
void write(const DataType& mem_type, const void *buf ) const;
void write(const DataType& mem_type, const H5std_string& strg ) const;
// Creates an attribute by way of dereference.
Attribute(H5Object& obj, void* ref);
Attribute(H5File& file, void* ref);
// Returns this class name
virtual H5std_string fromClass () const { return("Attribute"); }
// Creates a copy of an existing attribute using the attribute id
Attribute( const hid_t attr_id );
// Copy constructor: makes a copy of an existing Attribute object.
Attribute( const Attribute& original );
// Default constructor
Attribute();
// Gets the attribute id.
virtual hid_t getId() const;
// Destructor: properly terminates access to this attribute.
virtual ~Attribute();
protected:
// Sets the attribute id.
virtual void p_setId(const hid_t new_id);
private:
hid_t id; // HDF5 attribute id
// This function contains the common code that is used by
// getTypeClass and various API functions getXxxType
// defined in AbstractDs for generic datatype and specific
// sub-types
virtual hid_t p_get_type() const;
// do not inherit H5Object::iterateAttrs
int iterateAttrs() { return 0; }
// do not inherit H5Object::renameAttr
void renameAttr() {}
};
#ifndef H5_NO_NAMESPACE
}
#endif
#endif
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