/usr/include/trilinos/OptionsFromStreamPack_StringToIntMap.hpp is in libtrilinos-dev 10.4.0.dfsg-1ubuntu2.
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// ***********************************************************************
//
// Moocho: Multi-functional Object-Oriented arCHitecture for Optimization
// Copyright (2003) Sandia Corporation
//
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
// license for use of this work by or on behalf of the U.S. Government.
//
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 2.1 of the
// License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA
// Questions? Contact Roscoe A. Bartlett (rabartl@sandia.gov)
//
// ***********************************************************************
// @HEADER
#ifndef STRING_TO_INT_MAP_H
#define STRING_TO_INT_MAP_H
#include "OptionsFromStreamPack_OptionsFromStreamExceptions.hpp"
#include "Teuchos_TestForException.hpp"
namespace OptionsFromStreamPack {
/** \brief Map a string to an enumeration.
*
* The purpose of this class is to simplify mapping a standard string
* to an integer which can be interpreted as an enumeration.
*
* Here is an example of its use.
\verbatim
const int n_opt = 3;
enum MyOptEnum {
OPT_ONE
,OPT_TWO
,OPT_THREE
}; // must be 0, 1,..., n_opt - 1
const char* MyOptStrings[n_opt] = {
"OPT_ONE
,"OPT_TWO"
,"OPT_THREE"
}; // parallels MyOptEnum
StringToIntMap my_enum_map( "opt_map", n_opt, NyOptStrings );
...
switch( (MyEnum)my_enum_map( "OPT_ONE" ) ) {
case OPT_ONE:
// do stuff
case OPT_TWO:
// do stuff
case OPT_THREE:
// do stuff
default:
// ???
}
\endverbatim
*
* The number of strings passed to the constructor must equal the number
* of options in the enumeration. If there are duplicate strings
* (capitalization concidered) then the exception #AlreadyExists# is
* throw. If a string that was not passed in the
* constructor if given to #operator()( const std::string& str )# then
* the exception #DoesNotExist# is thrown.
*
* In the constructor, #name# is used in error messages in the exceptions
* thrown to help make since out of the message.
*
* The default constructor is not defined and not to be called.
*/
class StringToIntMap {
public:
/** \brief . */
class AlreadyExists : public std::logic_error
{public: AlreadyExists(const std::string& what_arg) : std::logic_error(what_arg) {}};
/** \brief . */
class DoesNotExist : public AccessException
{public: DoesNotExist(const std::string& what_arg) : AccessException(what_arg) {}};
/** \brief . */
StringToIntMap( const std::string& name, int n, const char* strings[] );
/** \brief . */
int operator()( const std::string& str ) const;
/** \brief . */
const std::string& name() const;
private:
typedef std::map< std::string, int > map_t; // all share implementation.
std::string name_;
map_t map_;
// not defined and not to be called.
StringToIntMap();
}; // end class StringToIntMap
// ////////////////////////////////////////////
// Inline declarations
inline
const std::string& StringToIntMap::name() const
{
return name_;
}
} // end namespace OptionsFromStreamPack
#endif // STRING_TO_INT_MAP_H
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