Step.java

/**
 * Copyright 2015 Santhosh Kumar Tekuri
 *
 * The JLibs authors license this file to you 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 jlibs.xml.sax.dog.path;

/**
 * @author Santhosh Kumar T
 */
public class Step extends Predicated{
    public final int axis;
    public final Constraint constraint;

    public Step(int axis, Constraint constraint){
        this.axis = axis;
        this.constraint = constraint;
    }

    @Override
    public String toString(){
        if(predicateSet.predicate==null)
            return String.format("%s::%s", Axis.names[axis], constraint);
        else{
            StringBuilder buff = new StringBuilder();
            for(PositionalPredicate positionPredicate=predicateSet.headPositionalPredicate; positionPredicate!=null; positionPredicate=positionPredicate.next)
                buff.append('[').append(positionPredicate.predicate).append(']');
            return String.format("%s::%s%s[%s]", Axis.names[axis], constraint, buff, predicateSet.predicate);
        }
    }
}