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.DropColumnDefinition;
public class DropColumnDefinitionParser implements Parser {
@Override
public Object parse(Binding b) {
Binding columnNameBinding = findColumNameBinding(b.getChildren());
return new DropColumnDefinition((String) columnNameBinding.getValue());
}
private Binding findColumNameBinding(Binding[] children) {
for (int i = 0; i < children.length; i++)
if (!(children[i].getRule() instanceof Literal))
return children[i];
return null;
}
}