Teuchos_StringToIntMap.cpp

00001 // @HEADER
00002 // ***********************************************************************
00003 // 
00004 //                    Teuchos: Common Tools Package
00005 //                 Copyright (2004) Sandia Corporation
00006 // 
00007 // Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
00008 // license for use of this work by or on behalf of the U.S. Government.
00009 // 
00010 // This library is free software; you can redistribute it and/or modify
00011 // it under the terms of the GNU Lesser General Public License as
00012 // published by the Free Software Foundation; either version 2.1 of the
00013 // License, or (at your option) any later version.
00014 //  
00015 // This library is distributed in the hope that it will be useful, but
00016 // WITHOUT ANY WARRANTY; without even the implied warranty of
00017 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00018 // Lesser General Public License for more details.
00019 //  
00020 // You should have received a copy of the GNU Lesser General Public
00021 // License along with this library; if not, write to the Free Software
00022 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
00023 // USA
00024 // Questions? Contact Michael A. Heroux (maherou@sandia.gov) 
00025 // 
00026 // ***********************************************************************
00027 // @HEADER
00028 
00029 #include "Teuchos_StringToIntMap.hpp"
00030 
00031 namespace Teuchos {
00032 
00033 StringToIntMap::StringToIntMap(  const std::string& defaultGroupName, int n, const char* strings[] )
00034   : defaultGroupName_(defaultGroupName)
00035 {
00036   typedef map_t::value_type val_t;
00037   for( int i = 0; i < n; ++i ) {
00038     const bool unique = map_.insert( val_t( strings[i], i ) ).second;
00039     TEST_FOR_EXCEPTION(
00040       !unique, AlreadyExists
00041       ,"Teuchos::StringToIntMap::StringToIntMap(...): "
00042       << "Error, the std::string \"" << strings[i] << "\" is a duplicate for "
00043       << defaultGroupName_ );
00044   }
00045 }
00046 
00047 int StringToIntMap::get( const std::string& option, const std::string& groupName ) const
00048 {
00049   map_t::const_iterator itr = map_.find( option );
00050   TEST_FOR_EXCEPTION(
00051     itr == map_.end(), DoesNotExist
00052     ,"Teuchos::StringToIntMap:::get(\""<<option<<"\",...): "
00053     << "Error, the std::string \"" << option << "\" is not recongnised for "
00054     << ( groupName.length() ? groupName : defaultGroupName_ )
00055     << "; valid selections include " << this->validSelections() << "."
00056     );
00057   return (*itr).second; 
00058 }
00059 
00060 // private
00061 
00062 std::string StringToIntMap::validSelections() const
00063 {
00064   std::ostringstream oss;
00065   oss << "{";
00066   map_t::const_iterator itr = map_.begin();
00067   for( int i = 0; itr != map_.end(); ++itr, ++i ) {
00068     if(i > 0)
00069       oss << ",";
00070     oss << "\""<<itr->first<<"\":"<<itr->second;
00071   }
00072   oss << "}";
00073   return oss.str();
00074 }
00075 
00076 } // end namespace Teuchos

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