text: 
  /****************************************************************************** 
   * 
   *  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 "MultiArg.h"
  #include "OptionalUnlabeledTracker.h"
  
  namespace TCLAP {
  
  /**
   * Just like a MultiArg, except that the arguments are unlabeled.  Basically,
   * this Arg will slurp up everything that hasn't been matched to another 
   * Arg.
   */
  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:
          
          /**
           * Constructor.  
           * \param name - The name of the Arg. Note that this is used for
           * identification, not as a long flag.
           * \param desc - A description of what the argument is for or
           * does.
           * \param req - Whether the argument is required on the command
           *  line.
           * \param typeDesc - A short, human readable description of the
           * type that this object expects.  This is used in the generation
           * of the USAGE statement.  The goal is to be helpful to the end user
           * of the program.
           * \param ignoreable - Whether or not this argument can be ignored
           * using the "--" flag.
           * \param v - An optional visitor.  You probably should not
           * use this unless you have a very good reason.
           */
          UnlabeledMultiArg( const std::string& name,
                             const std::string& desc,
                             bool req,
                             const std::string& typeDesc,
                             bool ignoreable = false,
                             Visitor* v = NULL );
          /**
           * Constructor.  
           * \param name - The name of the Arg. Note that this is used for
           * identification, not as a long flag.
           * \param desc - A description of what the argument is for or
           * does.
           * \param req - Whether the argument is required on the command
           *  line.
           * \param typeDesc - A short, human readable description of the
           * type that this object expects.  This is used in the generation
           * of the USAGE statement.  The goal is to be helpful to the end user
           * of the program.
           * \param parser - A CmdLine parser object to add this Arg to
           * \param ignoreable - Whether or not this argument can be ignored
           * using the "--" flag.
           * \param v - An optional visitor.  You probably should not
           * use this unless you have a very good reason.
           */
          UnlabeledMultiArg( const std::string& name,
                             const std::string& desc,
                             bool req,
                             const std::string& typeDesc,
                             CmdLineInterface& parser,
                             bool ignoreable = false,
                             Visitor* v = NULL );
                           
          /**
           * Constructor.  
           * \param name - The name of the Arg. Note that this is used for
           * identification, not as a long flag.
           * \param desc - A description of what the argument is for or
           * does.
           * \param req - Whether the argument is required on the command
           *  line.
           * \param constraint - A pointer to a Constraint object used
           * to constrain this Arg.
           * \param ignoreable - Whether or not this argument can be ignored
           * using the "--" flag.
           * \param v - An optional visitor.  You probably should not
           * use this unless you have a very good reason.
           */
          UnlabeledMultiArg( const std::string& name,
                             const std::string& desc,
                             bool req,
                             Constraint<T>* constraint,
                             bool ignoreable = false,
                             Visitor* v = NULL );
  
          /**
           * Constructor.  
           * \param name - The name of the Arg. Note that this is used for
           * identification, not as a long flag.
           * \param desc - A description of what the argument is for or
           * does.
           * \param req - Whether the argument is required on the command
           *  line.
           * \param constraint - A pointer to a Constraint object used
           * to constrain this Arg.
           * \param parser - A CmdLine parser object to add this Arg to
           * \param ignoreable - Whether or not this argument can be ignored
           * using the "--" flag.
           * \param v - An optional visitor.  You probably should not
           * use this unless you have a very good reason.
           */
          UnlabeledMultiArg( const std::string& name, 
                             const std::string& desc, 
                             bool req,
                             Constraint<T>* constraint,
                             CmdLineInterface& parser,
                             bool ignoreable = false,
                             Visitor* v = NULL );
                           
          /**
           * Handles the processing of the argument.
           * This re-implements the Arg version of this method to set the
           * _value of the argument appropriately.  It knows the difference
           * between labeled and unlabeled.
           * \param i - Pointer the the current argument in the list.
           * \param args - Mutable list of strings. Passed from main().
           */
          virtual bool processArg(int* i, std::vector<std::string>& args); 
  
          /**
           * Returns the a short id string.  Used in the usage.
           * \param val - value to be used.
           */
          virtual std::string shortID(const std::string& val="val") const;
  
          /**
           * Returns the a long id string.  Used in the usage.
           * \param val - value to be used.
           */
          virtual std::string longID(const std::string& val="val") const;
  
          /**
           * Opertor ==.
           * \param a - The Arg to be compared to this.
           */
          virtual bool operator==(const Arg& a) const;
  
          /**
           * Pushes this to back of list rather than front.
           * \param argList - The list this should be added to.
           */
          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
  {
      static_cast<void>(val); // Ignore input, don't warn
      return std::string("<") + _typeDesc + "> ...";
  }
  
  template<class T>
  std::string UnlabeledMultiArg<T>::longID(const std::string& val) const
  {
      static_cast<void>(val); // Ignore input, don't warn
      return std::string("<") + _typeDesc + ">  (accepted multiple times)";
  }
  
  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)) );
  }
  
  }
  
  #endif
  