/*
* Copyright 2010 NCHOVY
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.krakenapps.sqlparser.parser;
import org.krakenapps.bnf.Binding;
import org.krakenapps.bnf.Literal;
import org.krakenapps.bnf.Parser;
import org.krakenapps.sqlparser.ast.StringDataType;
public class StringDataTypeParser implements Parser {
@Override
public Object parse(Binding b) {
Binding length = findLength(b);
return new StringDataType((Integer) length.getValue());
}
private Binding findLength(Binding b) {
Binding target = null;
for (Binding child : b.getChildren()) {
if (!(child.getRule() instanceof Literal)) {
target = child;
break;
}
}
if (target.getValue() == null)
return target.getChildren()[1];
return target;
}
}