/usr/include/casacore/casa/OS/IBMDataConversion.h is in casacore-dev 2.2.0-2.
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//# Copyright (C) 1996,1999,2001
//# Associated Universities, Inc. Washington DC, USA.
//#
//# This library is free software; you can redistribute it and/or modify it
//# under the terms of the GNU Library General Public License as published by
//# the Free Software Foundation; either version 2 of the License, or (at your
//# option) any later version.
//#
//# This library is distributed in the hope that it will be useful, but WITHOUT
//# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
//# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
//# License for more details.
//#
//# You should have received a copy of the GNU Library General Public License
//# along with this library; if not, write to the Free Software Foundation,
//# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
//#
//# Correspondence concerning AIPS++ should be addressed as follows:
//# Internet email: aips2-request@nrao.edu.
//# Postal address: AIPS++ Project Office
//# National Radio Astronomy Observatory
//# 520 Edgemont Road
//# Charlottesville, VA 22903-2475 USA
//#
//# $Id$
#ifndef CASA_IBMDATACONVERSION_H
#define CASA_IBMDATACONVERSION_H
//# Includes
#include <casacore/casa/aips.h>
#include <casacore/casa/OS/DataConversion.h>
namespace casacore { //# NAMESPACE CASACORE - BEGIN
// <summary>
// A class with virtual functions to convert IBM format.
// </summary>
// <use visibility=export>
// <reviewed reviewer="Friso Olnon" date="1996/11/06" tests="tDataConversion" demos="">
// </reviewed>
// <synopsis>
// This class is a specialization of the abstract base class
// <linkto class=DataConversion>DataConversion</linkto>.
// It contains functions to convert data from/to the old IBM format
// using the static functions in class <linkto class=IBMConversion>
// IBMConversion</linkto>.
// </synopsis>
// <example>
// See example in class <linkto class=DataConversion>DataConversion</linkto>.
// </example>
// <motivation>
// This class is an addition to <linkto class=IBMConversion>IBMConversion
// </linkto> to be able to use the conversion functions in a polymorphic way.
// </motivation>
// <todo asof="$DATE$">
// <li> Support data type long double.
// </todo>
class IBMDataConversion : public DataConversion
{
public:
// Construct the object.
IBMDataConversion();
virtual ~IBMDataConversion();
// Convert one value from IBM format to local format.
// The from and to buffer should not overlap.
// <note>
// The char version converts from EBCDIC to ASCII, while the
// unsigned char version is a simple copy.
// </note>
// <group>
virtual size_t toLocal (char& to, const void* from) const;
virtual size_t toLocal (unsigned char& to, const void* from) const;
virtual size_t toLocal (short& to, const void* from) const;
virtual size_t toLocal (unsigned short& to, const void* from) const;
virtual size_t toLocal (int& to, const void* from) const;
virtual size_t toLocal (unsigned int& to, const void* from) const;
virtual size_t toLocal (Int64& to, const void* from) const;
virtual size_t toLocal (uInt64& to, const void* from) const;
virtual size_t toLocal (float& to, const void* from) const;
virtual size_t toLocal (double& to, const void* from) const;
// </group>
// Convert nr values from IBM format to local format.
// The from and to buffer should not overlap.
// <note>
// The char version converts from EBCDIC to ASCII, while the
// unsigned char version is a simple copy.
// </note>
// <group>
virtual size_t toLocal (char* to, const void* from,
size_t nr) const;
virtual size_t toLocal (unsigned char* to, const void* from,
size_t nr) const;
virtual size_t toLocal (short* to, const void* from,
size_t nr) const;
virtual size_t toLocal (unsigned short* to, const void* from,
size_t nr) const;
virtual size_t toLocal (int* to, const void* from,
size_t nr) const;
virtual size_t toLocal (unsigned int* to, const void* from,
size_t nr) const;
virtual size_t toLocal (Int64* to, const void* from,
size_t nr) const;
virtual size_t toLocal (uInt64* to, const void* from,
size_t nr) const;
virtual size_t toLocal (float* to, const void* from,
size_t nr) const;
virtual size_t toLocal (double* to, const void* from,
size_t nr) const;
// </group>
// Convert one value from local format to IBM format.
// The from and to buffer should not overlap.
// <note>
// The char version converts from ASCII to EBCDIC, while the
// unsigned char version is a simple copy.
// </note>
// <group>
virtual size_t fromLocal (void* to, char from) const;
virtual size_t fromLocal (void* to, unsigned char from) const;
virtual size_t fromLocal (void* to, short from) const;
virtual size_t fromLocal (void* to, unsigned short from) const;
virtual size_t fromLocal (void* to, int from) const;
virtual size_t fromLocal (void* to, unsigned int from) const;
virtual size_t fromLocal (void* to, Int64 from) const;
virtual size_t fromLocal (void* to, uInt64 from) const;
virtual size_t fromLocal (void* to, float from) const;
virtual size_t fromLocal (void* to, double from) const;
// </group>
// Convert nr values from local format to IBM format.
// The from and to buffer should not overlap.
// <note>
// The char version converts from ASCII to EBCDIC, while the
// unsigned char version is a simple copy.
// </note>
// <group>
virtual size_t fromLocal (void* to, const char* from,
size_t nr) const;
virtual size_t fromLocal (void* to, const unsigned char* from,
size_t nr) const;
virtual size_t fromLocal (void* to, const short* from,
size_t nr) const;
virtual size_t fromLocal (void* to, const unsigned short* from,
size_t nr) const;
virtual size_t fromLocal (void* to, const int* from,
size_t nr) const;
virtual size_t fromLocal (void* to, const unsigned int* from,
size_t nr) const;
virtual size_t fromLocal (void* to, const Int64* from,
size_t nr) const;
virtual size_t fromLocal (void* to, const uInt64* from,
size_t nr) const;
virtual size_t fromLocal (void* to, const float* from,
size_t nr) const;
virtual size_t fromLocal (void* to, const double* from,
size_t nr) const;
// </group>
// Determine if the data for a data type can be simply copied, thus
// if no conversion is needed.
// <group>
virtual Bool canCopy (const char*) const;
virtual Bool canCopy (const unsigned char*) const;
virtual Bool canCopy (const short*) const;
virtual Bool canCopy (const unsigned short*) const;
virtual Bool canCopy (const int*) const;
virtual Bool canCopy (const unsigned int*) const;
virtual Bool canCopy (const Int64*) const;
virtual Bool canCopy (const uInt64*) const;
virtual Bool canCopy (const float*) const;
virtual Bool canCopy (const double*) const;
// </group>
// Get the external size of the data type.
// <group>
virtual unsigned int externalSize (const char*) const;
virtual unsigned int externalSize (const unsigned char*) const;
virtual unsigned int externalSize (const short*) const;
virtual unsigned int externalSize (const unsigned short*) const;
virtual unsigned int externalSize (const int*) const;
virtual unsigned int externalSize (const unsigned int*) const;
virtual unsigned int externalSize (const Int64*) const;
virtual unsigned int externalSize (const uInt64*) const;
virtual unsigned int externalSize (const float*) const;
virtual unsigned int externalSize (const double*) const;
// </group>
};
inline IBMDataConversion::IBMDataConversion()
{}
} //# NAMESPACE CASACORE - END
#endif
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