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// This file is part of ff3d - http://www.freefem.org/ff3d
// Copyright (C) 2001, 2002, 2003 Stphane Del Pino
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2, or (at your option)
// any later version.
// This program 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 General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software Foundation,
// Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
// $Id: VariableRepository.hpp,v 1.2 2007/05/20 23:02:48 delpinux Exp $
#ifndef VARIABLE_PARSER_REPOSITORY_HPP
#define VARIABLE_PARSER_REPOSITORY_HPP
#include <map>
#include <vector>
#include <ReferenceCounting.hpp>
#include <Variable.hpp>
#include <Stringify.hpp>
#include <ErrorHandler.hpp>
/**
* @file VariableRepository.hpp
* @author Stphane Del Pino
* @date Sat Feb 10 14:57:45 2007
*
* @brief Variable repository during execution
*/
class VariableRepository
: public ThreadStaticBase<VariableRepository>
{
private:
//! The container of variables.
typedef std::map<std::string,ReferenceCounting<Variable> > Container;
std::vector<Container>
__variableList; /**< list of variable per level */
size_t __blockLevel; /**< current level */
VariableRepository(const VariableRepository& vpr);
public:
/**
* Search for a variable according to its name
*
* @param name name of the variable
*
* @return pointer to the variable
*/
ReferenceCounting<Variable> find(const std::string& name) const;
/**
* Search for a variable and returns a pointer to it
*
* @param name name of the variable
*
* @return pointer of the correct type to the variable
*/
template <typename VariableType>
ReferenceCounting<VariableType> findVariable(const std::string& name) const
{
ReferenceCounting<Variable> reference = this->find(name);
Variable* variable = reference;
ASSERT(variable != 0);
VariableType* castedVariable = dynamic_cast<VariableType*>(variable);
if(not(castedVariable)) {
throw ErrorHandler(__FILE__,__LINE__,
"cannot cast "+name
+" of type "+stringify(variable->type()),
ErrorHandler::unexpected);
}
return castedVariable;
}
/**
* Adds the variable @p v to the list
*
* @param v variable to add
*/
void add(ReferenceCounting<Variable> v);
/**
* Remove a variable named @p name
*
* @param name name of the variable to remove
*/
void remove(const std::string& name);
/**
* Begins a new block
*
*/
void beginBlock();
/**
* Ends a new block
*
*/
void endBlock();
/**
* Constructor
*
*/
VariableRepository();
/**
* Destructor
*
*/
~VariableRepository();
};
#endif // VARIABLE_PARSER_REPOSITORY_HPP
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