variablecontainer.cpp

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/* xoreos - A reimplementation of BioWare's Aurora engine
 *
 * xoreos is the legal property of its developers, whose names
 * can be found in the AUTHORS file distributed with this source
 * distribution.
 *
 * xoreos 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 3
 * of the License, or (at your option) any later version.
 *
 * xoreos 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 xoreos. If not, see <http://www.gnu.org/licenses/>.
 */

#include "src/common/error.h"

#include "src/aurora/nwscript/variablecontainer.h"

namespace Aurora {

namespace NWScript {

VariableContainer::VariableContainer() {
}

VariableContainer::~VariableContainer() {
}

bool VariableContainer::hasVariable(const Common::UString &var) const {
    return _variables.find(var) != _variables.end();
}

Variable &VariableContainer::getVariable(const Common::UString &var, Type type) {
    VariableMap::iterator v = _variables.find(var);
    if (v == _variables.end()) {
        std::pair<VariableMap::iterator, bool> result;

        result = _variables.insert(std::make_pair(var, Variable(type)));

        v = result.first;
    }

    return v->second;
}

const Variable &VariableContainer::getVariable(const Common::UString &var) const {
    VariableMap::const_iterator v = _variables.find(var);
    if (v == _variables.end())
        throw Common::Exception("VariableContainer::getVariable(): No such variable \"%s\"", var.c_str());

    return v->second;
}

void VariableContainer::setVariable(const Common::UString &var, const Variable &value) {
    _variables[var] = value;
}

void VariableContainer::removeVariable(const Common::UString &var) {
    VariableMap::iterator v = _variables.find(var);
    if (v != _variables.end())
        _variables.erase(v);
}

void VariableContainer::clearVariables() {
    _variables.clear();
}

} // End of namespace NWScript

} // End of namespace Aurora