GroovX: src/rutz/multivalue.h Source File

00001 
00004 
00005 //
00006 // Copyright (c) 2001-2004 California Institute of Technology
00007 // Copyright (c) 2004-2007 University of Southern California
00008 // Rob Peters <rjpeters at usc dot edu>
00009 //
00010 // created: Wed Aug 22 16:45:38 2001
00011 // commit: $Id: multivalue.h 10065 2007-04-12 05:54:56Z rjpeters $
00012 // $HeadURL: file:///lab/rjpeters/svnrepo/code/trunk/groovx/src/rutz/multivalue.h $
00013 //
00014 // --------------------------------------------------------------------
00015 //
00016 // This file is part of GroovX.
00017 //   [http://ilab.usc.edu/rjpeters/groovx/]
00018 //
00019 // GroovX is free software; you can redistribute it and/or modify it
00020 // under the terms of the GNU General Public License as published by
00021 // the Free Software Foundation; either version 2 of the License, or
00022 // (at your option) any later version.
00023 //
00024 // GroovX is distributed in the hope that it will be useful, but
00025 // WITHOUT ANY WARRANTY; without even the implied warranty of
00026 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00027 // General Public License for more details.
00028 //
00029 // You should have received a copy of the GNU General Public License
00030 // along with GroovX; if not, write to the Free Software Foundation,
00031 // Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
00032 //
00034 
00035 #ifndef GROOVX_RUTZ_MULTIVALUE_H_UTC20050626084020_DEFINED
00036 #define GROOVX_RUTZ_MULTIVALUE_H_UTC20050626084020_DEFINED
00037 
00038 #include "rutz/value.h"
00039 
00040 namespace rutz
00041 {
00043   template <class T>
00044   class multi_value : public rutz::value
00045   {
00046   public:
00047     multi_value(int num);
00048     virtual ~multi_value();
00049 
00051     virtual rutz::fstring value_typename() const = 0;
00052 
00053     virtual void print_to(std::ostream& os) const;
00054     virtual void scan_from(std::istream& is);
00055 
00056   protected:
00058     virtual const T*   const_begin() const = 0;
00060     const T*   const_end()   const { return const_begin() + m_num_values; }
00062     T* mutable_begin()       { return const_cast<T*>(const_begin()); }
00064     T* mutable_end()         { return const_cast<T*>(const_end()); }
00065 
00066   private:
00067     int m_num_values;
00068   };
00069 }
00070 
00071 static const char __attribute__((used)) vcid_groovx_rutz_multivalue_h_utc20050626084020[] = "$Id: multivalue.h 10065 2007-04-12 05:54:56Z rjpeters $ $HeadURL: file:
00072 #endif // !GROOVX_RUTZ_MULTIVALUE_H_UTC20050626084020_DEFINED