cmtkCommandLineTypeTraits.h

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/*
//
//  Copyright 1997-2009 Torsten Rohlfing
//  Copyright 2004-2009 SRI International
//
//  This file is part of the Computational Morphometry Toolkit.
//
//  http://www.nitrc.org/projects/cmtk/
//
//  The Computational Morphometry Toolkit is free software: you can
//  redistribute it and/or modify it under the terms of the GNU General Public
//  License as published by the Free Software Foundation, either version 3 of
//  the License, or (at your option) any later version.
//
//  The Computational Morphometry Toolkit 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 General Public License for more details.
//
//  You should have received a copy of the GNU General Public License along
//  with the Computational Morphometry Toolkit.  If not, see
//  <http://www.gnu.org/licenses/>.
//
//  $Revision: 1057 $
//
//  $LastChangedDate: 2009-12-15 16:56:38 -0800 (Tue, 15 Dec 2009) $
//
//  $LastChangedBy: torsten_at_home $
//
*/
#include <cmtkconfig.h>

#include <string>
#include <sstream>

namespace
cmtk
{


template<class T>
class CommandLineTypeTraitsBase
{
public:
  static std::string ValueToString( const T* value )
  {
    std::ostringstream stream;
    stream << *value;
    return stream.str();
  }

  static std::string ValueToStringMinimal( const T* value )
  {
    std::ostringstream stream;
    stream << *value;
    return stream.str();
  }
};

template<class T>
class
CommandLineTypeTraits
  : public CommandLineTypeTraitsBase<T>
{
public:
  static const char* GetName() 
  { 
    return "none"; 
  }
};

template<>
class 
CommandLineTypeTraits<const char*>
  : public CommandLineTypeTraitsBase<const char*>
{
public:
  static const char* GetName() 
  { 
    return "string";
  }

  static std::string ValueToString( const char *const * value )
  {
    std::ostringstream stream;
    if ( value && *value )
      stream << "\"" << *value << "\"";
    else
      stream << "NONE";
    return stream.str();
  }

  static std::string ValueToStringMinimal( const char *const * value )
  {
    std::ostringstream stream;
    if ( value && *value )
      stream << *value;
    return stream.str();
  }
};

template<>
class 
CommandLineTypeTraits<std::string>
  : public CommandLineTypeTraitsBase<std::string>
{
public:
  static const char* GetName() 
  { 
    return "string";
  }
};

template<>
class 
CommandLineTypeTraits< std::vector<std::string> >
  : public CommandLineTypeTraitsBase< std::vector<std::string> >
{
public:
  static const char* GetName() 
  { 
    return "vector<string>";
  }

  static std::string ValueToString( const std::vector<std::string>* value )
  {
    std::ostringstream stream;
    for ( size_t i = 0; i < value->size(); ++i )
      stream << (*value)[i] << " ";
    return stream.str();
  }

  static std::string ValueToStringMinimal( const std::vector<std::string>* value )
  {
    return ValueToString( value );
  }
};

template<>
class 
CommandLineTypeTraits<int>
  : public CommandLineTypeTraitsBase<int>
{
public:
  static const char* GetName() 
  { 
    return "integer";
  }
};

template<>
class 
CommandLineTypeTraits<unsigned int>
  : public CommandLineTypeTraitsBase<unsigned int>
{
public:
  static const char* GetName() 
  { 
    return "integer";
  }
};

template<>
class 
CommandLineTypeTraits<short>
  : public CommandLineTypeTraitsBase<short>
{
public:
  static const char* GetName() 
  { 
    return "integer";
  }
};

template<>
class 
CommandLineTypeTraits<unsigned short>
  : public CommandLineTypeTraitsBase<unsigned short>
{
public:
  static const char* GetName() 
  { 
    return "integer";
  }
};

template<>
class 
CommandLineTypeTraits<signed char>
  : public CommandLineTypeTraitsBase<signed char>
{
public:
  static const char* GetName() 
  { 
    return "integer";
  }
};

template<>
class 
CommandLineTypeTraits<unsigned char> :
  public CommandLineTypeTraitsBase<unsigned char>
{
public:
  static const char* GetName() 
  { 
    return "integer";
  }
};

template<>
class 
CommandLineTypeTraits<float>
  : public CommandLineTypeTraitsBase<float>
{
public:
  static const char* GetName()
  { 
    return "float"; 
  }
};

template<>
class 
CommandLineTypeTraits<double>
  : public CommandLineTypeTraitsBase<double>
{
public:
  static const char* GetName() 
  { 
    return "double"; 
  }
};

template<>
class 
CommandLineTypeTraits<bool>
  : public CommandLineTypeTraitsBase<bool>
{
public:
  static const char* GetName() 
  { 
    return "boolean"; 
  }
};

} // namespace cmtk