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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.cpp,v 1.2 2007/05/20 23:02:48 delpinux Exp $
#include <VariableRepository.hpp>
#include <ReferenceCounting.hpp>
#include <Variable.hpp>
#include <Stringify.hpp>
#include <ErrorHandler.hpp>
ReferenceCounting<Variable> VariableRepository::
find(const std::string& name) const
{
Container::const_iterator i;
size_t level=0;
for (; level<=__blockLevel;++level) {
i = __variableList[level].find(name);
if (i != __variableList[level].end()) break;
}
if (level>__blockLevel) return 0;
if (i == __variableList[level].end()) return 0;
else {
return i->second;
}
}
void VariableRepository::
add(ReferenceCounting<Variable> v)
{
if (find(v->name())) {
throw ErrorHandler (__FILE__,__LINE__,
"variable "+v->name()+" already declared",
ErrorHandler::unexpected);
}
__variableList[__blockLevel][v->name()]=v;
}
void VariableRepository::
remove(const std::string& name)
{
Container::const_iterator i;
size_t level=0;
for (; level<=__blockLevel;++level) {
i = __variableList[level].find(name);
if (i != __variableList[level].end()) break;
}
if ((i != __variableList[level].end()) and (level>__blockLevel)) {
__variableList[level].erase(name);
} else {
const std::string errorMsg
= "cannot erase variable "+name
+", since it is not declared";
throw ErrorHandler(__FILE__,__LINE__,
errorMsg,
ErrorHandler::unexpected);
}
}
void VariableRepository::
beginBlock()
{
__blockLevel++;
__variableList.push_back(Container());
}
void VariableRepository::
endBlock()
{
ASSERT(__blockLevel>0);
__variableList[__blockLevel].clear();
__blockLevel--;
__variableList.pop_back();
}
VariableRepository::
VariableRepository()
: __blockLevel(0)
{
__variableList.push_back(Container());
}
VariableRepository::
~VariableRepository()
{
;
}
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