/*
* Redberry: symbolic tensor computations.
*
* Copyright (c) 2010-2012:
* Stanislav Poslavsky <stvlpos@mail.ru>
* Bolotin Dmitriy <bolotin.dmitriy@gmail.com>
*
* This file is part of Redberry.
*
* Redberry 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.
*
* Redberry 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 Redberry. If not, see <http://www.gnu.org/licenses/>.
*/
package cc.redberry.core.parser;
import cc.redberry.core.number.ComplexElement;
import cc.redberry.core.tensor.Tensor;
import cc.redberry.core.tensor.TensorNumber;
/**
*
* @author Dmitry Bolotin, Stanislav Poslavsky.
*/
public class ParserTensorNumber implements TensorParser {
public static final ParserTensorNumber INSTANCE = new ParserTensorNumber();
private ParserTensorNumber() {
}
private final static int parserID = 9999;
public Tensor parse(String expression, cc.redberry.core.parser.Parser parser) {
ComplexElement value;
try {
value = (ComplexElement) cc.redberry.core.number.parser.Parser.parse(expression);
} catch (NumberFormatException e) {
return null;
}
return new TensorNumber(value);
}
public int getPriority() {
return parserID;
}
}