GroovX: src/rutz/multivalue.cc Source File

00001 
00003 
00004 //
00005 // Copyright (c) 2001-2004 California Institute of Technology
00006 // Copyright (c) 2004-2007 University of Southern California
00007 // Rob Peters <rjpeters at usc dot edu>
00008 //
00009 // created: Wed Aug 22 16:58:56 2001
00010 // commit: $Id: multivalue.cc 10065 2007-04-12 05:54:56Z rjpeters $
00011 // $HeadURL: file:///lab/rjpeters/svnrepo/code/trunk/groovx/src/rutz/multivalue.cc $
00012 //
00013 // --------------------------------------------------------------------
00014 //
00015 // This file is part of GroovX.
00016 //   [http://ilab.usc.edu/rjpeters/groovx/]
00017 //
00018 // GroovX is free software; you can redistribute it and/or modify it
00019 // under the terms of the GNU General Public License as published by
00020 // the Free Software Foundation; either version 2 of the License, or
00021 // (at your option) any later version.
00022 //
00023 // GroovX is distributed in the hope that it will be useful, but
00024 // WITHOUT ANY WARRANTY; without even the implied warranty of
00025 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00026 // General Public License for more details.
00027 //
00028 // You should have received a copy of the GNU General Public License
00029 // along with GroovX; if not, write to the Free Software Foundation,
00030 // Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
00031 //
00033 
00034 #ifndef GROOVX_RUTZ_MULTIVALUE_CC_UTC20050626084019_DEFINED
00035 #define GROOVX_RUTZ_MULTIVALUE_CC_UTC20050626084019_DEFINED
00036 
00037 #include "rutz/multivalue.h"
00038 
00039 #include "rutz/error.h"
00040 
00041 #include <istream>
00042 #include <ostream>
00043 
00044 #include "rutz/trace.h"
00045 #include "rutz/debug.h"
00046 GVX_DBG_REGISTER
00047 
00048 template <class T>
00049 rutz::multi_value<T>::multi_value(int num) : m_num_values(num) {}
00050 
00051 template <class T>
00052 rutz::multi_value<T>::~multi_value() {}
00053 
00054 template <class T>
00055 void rutz::multi_value<T>::print_to(std::ostream& os) const
00056 {
00057 GVX_TRACE("rutz::multi_value<T>::print_to");
00058   const T* dat = const_begin();
00059   const T* end = const_end();
00060 
00061   while (dat < end)
00062     {
00063       os << *dat;
00064       if (++dat < end)
00065         os << ' ';
00066     }
00067 }
00068 
00069 template <class T>
00070 void rutz::multi_value<T>::scan_from(std::istream& is)
00071 {
00072 GVX_TRACE("rutz::multi_value<T>::scan_from");
00073 
00074   if (is.fail())
00075     throw rutz::error("istream started out in fail state", SRC_POS);
00076   if (is.eof())
00077     throw rutz::error("istream started out in eof state", SRC_POS);
00078 
00079   T* dat = mutable_begin();
00080   T* end = mutable_end();
00081 
00082   while (dat < end)
00083     {
00084       is >> *dat;
00085       dbg_eval_nl(3, *dat);
00086       ++dat;
00087       if (dat < end)
00088         {
00089           if (is.fail() || is.eof())
00090             throw rutz::error("stream underflow "
00091                               "while scanning a multi-value", SRC_POS);
00092         }
00093       else
00094         {
00095           if (is.fail() && !is.eof())
00096             throw rutz::error("stream error "
00097                               "while scanning a multi-value", SRC_POS);
00098         }
00099     }
00100 }
00101 
00102 template class rutz::multi_value<int>;
00103 template class rutz::multi_value<double>;
00104 
00105 static const char __attribute__((used)) vcid_groovx_rutz_multivalue_cc_utc20050626084019[] = "$Id: multivalue.cc 10065 2007-04-12 05:54:56Z rjpeters $ $HeadURL: file:
00106 #endif // !GROOVX_RUTZ_MULTIVALUE_CC_UTC20050626084019_DEFINED