unlabeled_multi_arg.hpp

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/*****************************************************************************
** Ifdefs
*****************************************************************************/

#ifndef TCLAP_MULTIPLE_UNLABELED_ARGUMENT_H
#define TCLAP_MULTIPLE_UNLABELED_ARGUMENT_H

#include <string>
#include <vector>

#include "multi_arg.hpp"
#include "optional_unlabeled_tracker.hpp"

namespace ecl {

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

        // 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;
        using MultiArg<T>::_alreadySet;
        using MultiArg<T>::toString;

        public:

                UnlabeledMultiArg( const std::string& name,
                                           const std::string& desc,
                                                   bool req,
                                           const std::string& typeDesc,
                                                   bool ignoreable = false,
                                           Visitor* v = NULL );
                UnlabeledMultiArg( const std::string& name,
                                           const std::string& desc,
                                                   bool req,
                                           const std::string& typeDesc,
                                                   CmdLineInterface& parser,
                                                   bool ignoreable = false,
                                           Visitor* v = NULL );

                UnlabeledMultiArg( const std::string& name,
                                                   const std::string& desc,
                                                   bool req,
                                                   Constraint<T>* constraint,
                                                   bool ignoreable = false,
                                                   Visitor* v = NULL );

                UnlabeledMultiArg( const std::string& name,
                                                   const std::string& desc,
                                                   bool req,
                                                   Constraint<T>* constraint,
                                                   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,
                                                                                bool req,
                                                            const std::string& typeDesc,
                                                                                bool ignoreable,
                                                            Visitor* v)
: MultiArg<T>("", name, desc,  req, typeDesc, v)
{
        _ignoreable = ignoreable;
        OptionalUnlabeledTracker::check(true, toString());
}

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


template<class T>
UnlabeledMultiArg<T>::UnlabeledMultiArg(const std::string& name,
                                                        const std::string& desc,
                                                                                bool req,
                                                            Constraint<T>* constraint,
                                                                                bool ignoreable,
                                                            Visitor* v)
: MultiArg<T>("", name, desc,  req, constraint, v)
{
        _ignoreable = ignoreable;
        OptionalUnlabeledTracker::check(true, toString());
}

template<class T>
UnlabeledMultiArg<T>::UnlabeledMultiArg(const std::string& name,
                                                        const std::string& desc,
                                                                                bool req,
                                                            Constraint<T>* constraint,
                                                                                CmdLineInterface& parser,
                                                                                bool ignoreable,
                                                            Visitor* v)
: MultiArg<T>("", name, desc,  req, constraint, v)
{
        _ignoreable = ignoreable;
        OptionalUnlabeledTracker::check(true, toString());
        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


        // always take the first value, regardless of the start string
        _extractValue( args[(*i)] );

        /*
        // continue taking args until we hit the end or a start string
        while ( (unsigned int)(*i)+1 < args.size() &&
                        args[(*i)+1].find_first_of( Arg::flagStartString() ) != 0 &&
            args[(*i)+1].find_first_of( Arg::nameStartString() ) != 0 )
                _extractValue( args[++(*i)] );
        */

        _alreadySet = true;

        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( const_cast<Arg*>(static_cast<const Arg* const>(this)) );
}

}; // namespace ecl

#endif