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//# Copyright (C) 2011
//# 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: STLIO.h 21331 2013-03-26 15:08:06Z gervandiepen $
#ifndef CASA_STLIO_H
#define CASA_STLIO_H
//# Includes
#include <casacore/casa/aips.h>
#include <casacore/casa/iostream.h>
#include <casacore/casa/Logging/LogIO.h>
#include <vector>
#include <set>
#include <list>
#include <map>
namespace casacore { //# NAMESPACE CASACORE - BEGIN
//# Forward Declarations
class AipsIO;
// <summary>
// Input/output operators for STL-like containers.
// </summary>
// <use visibility=export>
// <reviewed reviewer="Paul Shannon" date="1995/02/21" tests="" demos="">
// </reviewed>
// <prerequisite>
// <li> STL container concept
// </prerequisite>
// <synopsis>
// The function <src>showContainer</src> makes it possible to show
// any STL-like container (having forward iterators) on an ostream.
// This include casacore classes like Array, IPosition, and Block, but
// also STL classes like vector. The separator, prefix, and postfix
// can be defined at will (they default to , [ ]).
//
// The function <src>showDataIter</src> is similar to
// <src>showContainer</src>, but uses iterators directly.
// </synopsis>
// <example>
// <srcblock>
// IPosition shape (3,10,10,3);
// showContainer (cout, shape);
// </srcblock>
//
// <motivation>
// Effortless input/output is clearly a big win.
// </motivation>
//
// <group name="Container IO">
// Write out an ascii representation of any container using the
// given begin and end iterator.
// An arbitrary separator, prefix, and postfix can be given.
// E.g. for separator ', ' the output looks like [1, 2, 3].
template<class ITER> void showDataIter (ostream&,
ITER begin, const ITER& end,
const char* separator=",",
const char* prefix="[",
const char* postfix="]");
// Write out an ascii representation of any container having a
// forward iterator.
// Note that a multi-dimensional Array object is linearized.
// An arbitrary separator, prefix, and postfix can be given.
// E.g. for separator ', ' the output looks like [1, 2, 3].
template<class CONTAINER> void showContainer (ostream& os, const CONTAINER& c,
const char* separator=",",
const char* prefix="[",
const char* postfix="]")
{ showDataIter (os, c.begin(), c.end(), separator, prefix, postfix); }
// Write a std::pair.
template <typename T, typename U>
inline ostream& operator<< (ostream& os, const std::pair<T,U>& p)
{
os << '<' << p.first << ',' << p.second << '>';
return os;
}
// Write the contents of a vector enclosed in square brackets, using a comma
// as separator.
template<typename T>
inline ostream& operator<<(ostream& os, const std::vector<T>& v)
{
showContainer (os, v, ",", "[", "]");
return os;
}
// Write the contents of a set enclosed in square brackets, using a comma
// as separator.
template<typename T>
inline ostream& operator<<(ostream& os, const std::set<T>& v)
{
showContainer (os, v, ",", "[", "]");
return os;
}
// Write the contents of a list enclosed in square brackets, using a comma
// as separator.
template<typename T>
inline ostream& operator<<(ostream& os, const std::list<T>& v)
{
showContainer (os, v, ",", "[", "]");
return os;
}
// Print the contents of a map enclosed in braces, using a comma
// as separator.
template<typename T, typename U>
inline ostream& operator<<(ostream& os, const std::map<T,U>& m)
{
showContainer (os, m, ", ", "{", "}");
return os;
}
// Print the contents of a container on LogIO.
// <group>
template<typename T>
inline LogIO& operator<<(LogIO &os, const std::vector<T> &a)
{ os.output() << a; return os; }
template<typename T>
inline LogIO& operator<<(LogIO &os, const std::set<T> &a)
{ os.output() << a; return os; }
template<typename T>
inline LogIO& operator<<(LogIO &os, const std::list<T> &a)
{ os.output() << a; return os; }
template<typename T, typename U>
inline LogIO& operator<<(LogIO& os, const std::map<T,U>& a)
{ os.output() << a; return os; }
// </group>
// Read or write the contents of an STL vector from/to AipsIO.
// The container is written in the same way as Block,
// thus can be read back that way and vice-versa.
// <group>
template<typename T>
AipsIO& operator>> (AipsIO& ios, std::vector<T>&);
template<typename T>
AipsIO& operator<< (AipsIO& ios, const std::vector<T>&);
// </group>
} //# NAMESPACE CASACORE - END
#ifndef CASACORE_NO_AUTO_TEMPLATES
#include <casacore/casa/BasicSL/STLIO.tcc>
#endif //# CASACORE_NO_AUTO_TEMPLATES
#endif
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