cmdXorHandler.h

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/****************************************************************************** 
 * 
 *  file:  XorHandler.h
 * 
 *  Copyright (c) 2003, Michael E. Smoot .
 *  Copyright (c) 2004, Michael E. Smoot, Daniel Aarno.
 *  All rights reverved.
 * 
 *  See the file COPYING in the top directory of this distribution for
 *  more information.
 *  
 *  THE SOFTWARE IS PROVIDED _AS IS_, WITHOUT WARRANTY OF ANY KIND, EXPRESS 
 *  OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 
 *  THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
 *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 
 *  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
 *  DEALINGS IN THE SOFTWARE.  
 *  
 *****************************************************************************/ 

#ifndef DtCmdLine_XORHANDLER_H
#define DtCmdLine_XORHANDLER_H
 

#include "cmdArg.h"
#include <string>
#include <vector>
#include <algorithm>
#include <iostream>

#ifdef DtUSE_UTILITIES_NAMESPACE
namespace DtUSE_UTILITIES_NAMESPACE
{
#endif

namespace DtCmdLine {

   class XorHandler
   {
   protected:

      std::vector< std::vector<Arg*> > _orList;

   public:

      XorHandler( ) {}

      void add( std::vector<Arg*>& ors );

      int check( const Arg* a );

      std::string shortUsage();

      void printLongUsage(std::ostream& os);

      bool contains( const Arg* a );

      std::vector< std::vector<Arg*> >& getXorList(); 

   };


   //BEGIN XOR.cpp
   inline void XorHandler::add( std::vector<Arg*>& ors )
   { 
      _orList.push_back( ors );
   }

   /*
      inline std::string XorHandler::shortUsage()
      {
      std::string out = "";
      for ( int i = 0; (unsigned int)i < _orList.size(); i++ )
      {
      out += " {";
      for ( ArgVectorIterator it = _orList[i].begin(); 
      it != _orList[i].end(); it++ )
      out += (*it)->shortID() + "|";

      out[out.length()-1] = '}';
      }

      return out;
      }

      inline void XorHandler::printLongUsage( std::ostream& os )
      {
      for ( int i = 0; (unsigned int)i < _orList.size(); i++ )
      {
      for ( ArgVectorIterator it = _orList[i].begin(); 
      it != _orList[i].end(); 
      it++ )
      {
      spacePrint( os, (*it)->longID(), 75, 3, 3 );
      spacePrint( os, (*it)->getDescription(), 75, 5, 0 );

      if ( it+1 != _orList[i].end() )
      spacePrint(os, "-- OR --", 75, 9);
      }
      os << std::endl << std::endl;
      }
      }
      */
   inline int XorHandler::check( const Arg* a ) 
   {
      int i;
      for (i = 0; (unsigned int)i < _orList.size(); i++ )
      {
         if ( std::find( _orList[i].begin(), _orList[i].end(), a ) != 
              _orList[i].end() )
         {
            for ( ArgVectorIterator it = _orList[i].begin(); 
                  it != _orList[i].end(); 
                  it++ )   
               if ( a != (*it) )
                  (*it)->xorSet();

            return (int)_orList[i].size();
         }
      }

      if ( a->isRequired() )
         return 1;
      else
         return 0;
   }

   inline bool XorHandler::contains( const Arg* a )
   {
      for ( int i = 0; (unsigned int)i < _orList.size(); i++ )
         for ( ArgVectorIterator it = _orList[i].begin(); 
               it != _orList[i].end(); 
               it++ )   
            if ( a == (*it) )
               return true;

      return false;
   }

   inline std::vector< std::vector<Arg*> >& XorHandler::getXorList() 
   {
      return _orList;
   }



   //END XOR.cpp

} //namespace DtCmdLine

#ifdef DtUSE_UTILITIES_NAMESPACE
}     
#endif

#endif