UnlabeledMultiArg.h

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/****************************************************************************** 
 * 
 *  file:  UnlabeledMultiArg.h
 * 
 *  Copyright (c) 2003, Michael E. Smoot.
 *  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 TCLAP_MULTIPLE_UNLABELED_ARGUMENT_H
#define TCLAP_MULTIPLE_UNLABELED_ARGUMENT_H

#include <string>
#include <vector>

#include <tclap/MultiArg.h>

namespace TCLAP {

template<class T>
class UnlabeledMultiArg : public MultiArg<T>
{

#ifdef TWO_STAGE_NAME_LOOKUP
     //If compiler has two stage name lookup (as gcc >= 3.4 does)
     //this is requried to prevent undef. symbols
     using MultiArg<T>::_ignoreable;
     using MultiArg<T>::_hasBlanks;
     using MultiArg<T>::_extractValue;
     using MultiArg<T>::_typeDesc;
     using MultiArg<T>::_name;
     using MultiArg<T>::_description;
#endif

     public:
          
          UnlabeledMultiArg( const std::string& name,
                               const std::string& desc,
                               const std::string& typeDesc,
                                 bool ignoreable = false,
                               Visitor* v = NULL );
          UnlabeledMultiArg( const std::string& name,
                               const std::string& desc,
                               const std::string& typeDesc,
                                 CmdLineInterface& parser,
                                 bool ignoreable = false,
                               Visitor* v = NULL );
                               
          UnlabeledMultiArg( const std::string& name,
                                 const std::string& desc,
                                 const std::vector<T>& allowed,
                                 bool ignoreable = false,
                                 Visitor* v = NULL );

          UnlabeledMultiArg( const std::string& name, 
                                 const std::string& desc, 
                                 const std::vector<T>& allowed,
                                 CmdLineInterface& parser,
                                 bool ignoreable = false,
                                 Visitor* v = NULL );
                               
          virtual bool processArg(int* i, std::vector<std::string>& args); 

          virtual std::string shortID(const std::string& val="val") const;

          virtual std::string longID(const std::string& val="val") const;

          virtual bool operator==(const Arg& a) const;

          virtual void addToList( std::list<Arg*>& argList ) const;
};

template<class T>
UnlabeledMultiArg<T>::UnlabeledMultiArg(const std::string& name, 
                                            const std::string& desc, 
                                             const std::string& typeDesc,
                                                  bool ignoreable,
                                             Visitor* v)
: MultiArg<T>("", name, desc,  false, typeDesc, v)
{ 
     _ignoreable = ignoreable;
}

template<class T>
UnlabeledMultiArg<T>::UnlabeledMultiArg(const std::string& name, 
                                            const std::string& desc, 
                                             const std::string& typeDesc,
                                                  CmdLineInterface& parser,
                                                  bool ignoreable,
                                             Visitor* v)
: MultiArg<T>("", name, desc,  false, typeDesc, v)
{ 
     _ignoreable = ignoreable;
     parser.add( this );
}


template<class T>
UnlabeledMultiArg<T>::UnlabeledMultiArg(const std::string& name, 
                                            const std::string& desc, 
                                             const std::vector<T>& allowed,
                                                  bool ignoreable,
                                             Visitor* v)
: MultiArg<T>("", name, desc,  false, allowed, v)
{ 
     _ignoreable = ignoreable;
}

template<class T>
UnlabeledMultiArg<T>::UnlabeledMultiArg(const std::string& name, 
                                            const std::string& desc, 
                                             const std::vector<T>& allowed,
                                                  CmdLineInterface& parser,
                                                  bool ignoreable,
                                             Visitor* v)
: MultiArg<T>("", name, desc,  false, allowed, v)
{ 
     _ignoreable = ignoreable;
     parser.add( this );
}


template<class T>
bool UnlabeledMultiArg<T>::processArg(int *i, std::vector<std::string>& args) 
{

     if ( _hasBlanks( args[*i] ) )
          return false;

     // never ignore an unlabeled multi arg

     _extractValue( args[*i] );
     return true;
}

template<class T>
std::string UnlabeledMultiArg<T>::shortID(const std::string& val) const
{
     std::string id = "<" + _typeDesc + "> ...";

     return id;
}

template<class T>
std::string UnlabeledMultiArg<T>::longID(const std::string& val) const
{
     std::string id = "<" + _typeDesc + ">  (accepted multiple times)";

     return id;
}

template<class T>
bool UnlabeledMultiArg<T>::operator==(const Arg& a) const
{
     if ( _name == a.getName() || _description == a.getDescription() )
          return true;
     else
          return false;
}

template<class T>
void UnlabeledMultiArg<T>::addToList( std::list<Arg*>& argList ) const
{
     argList.push_back( (Arg*)this );
}

}

#endif

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