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(
00034   const std::string& defaultGroupName_in, int n, const char* strings[]
00035   ) : defaultGroupName_(defaultGroupName_in)
00036 {
00037   typedef map_t::value_type val_t;
00038   for( int i = 0; i < n; ++i ) {
00039     const bool unique = map_.insert( val_t( strings[i], i ) ).second;
00040     TEST_FOR_EXCEPTION(
00041       !unique, AlreadyExists
00042       ,"Teuchos::StringToIntMap::StringToIntMap(...): "
00043       << "Error, the std::string \"" << strings[i] << "\" is a duplicate for "
00044       << defaultGroupName_ );
00045   }
00046 }
00047 
00048 int StringToIntMap::get( const std::string& option, const std::string& groupName ) const
00049 {
00050   map_t::const_iterator itr = map_.find( option );
00051   TEST_FOR_EXCEPTION(
00052     itr == map_.end(), DoesNotExist
00053     ,"Teuchos::StringToIntMap:::get(\""<<option<<"\",...): "
00054     << "Error, the std::string \"" << option << "\" is not recongnised for "
00055     << ( groupName.length() ? groupName : defaultGroupName_ )
00056     << "; valid selections include " << this->validSelections() << "."
00057     );
00058   return (*itr).second; 
00059 }
00060 
00061 // private
00062 
00063 std::string StringToIntMap::validSelections() const
00064 {
00065   std::ostringstream oss;
00066   oss << "{";
00067   map_t::const_iterator itr = map_.begin();
00068   for( int i = 0; itr != map_.end(); ++itr, ++i ) {
00069     if(i > 0)
00070       oss << ",";
00071     oss << "\""<<itr->first<<"\":"<<itr->second;
00072   }
00073   oss << "}";
00074   return oss.str();
00075 }
00076 
00077 } // end namespace Teuchos
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