/*
Calcy - plugin for Launchy
Copyright (C) 2018 Samson Wang

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 3 of the License, 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, see <http://www.gnu.org/licenses/>.
*/

#include "Calculator.h"
#include "exprtk.hpp"

bool Calculator::calculate(const std::string& expr, double& result) {
    typedef exprtk::symbol_table<double> symbol_table_t;
    typedef exprtk::expression<double>     expression_t;
    typedef exprtk::parser<double>             parser_t;

    expression_t expression;
    //expression.register_symbol_table(symbol_table);

    parser_t parser;
    bool ret = parser.compile(expr, expression);
    result = expression.value();

    return ret;
}

