org.textmapper.lapg.builder.LiLookaheadPredicate Maven / Gradle / Ivy
/**
* Copyright 2002-2018 Evgeny Gryaznov
*
* 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.textmapper.lapg.builder;
import org.textmapper.lapg.api.InputRef;
import org.textmapper.lapg.api.rule.LookaheadPredicate;
class LiLookaheadPredicate implements LookaheadPredicate {
private final InputRef input;
private final boolean negated;
LiLookaheadPredicate(InputRef input, boolean negated) {
this.input = input;
this.negated = negated;
}
@Override
public InputRef getInput() {
return input;
}
@Override
public boolean isNegated() {
return negated;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
LiLookaheadPredicate that = (LiLookaheadPredicate) o;
return negated == that.negated && input.equals(that.input);
}
@Override
public int hashCode() {
int result = input.hashCode();
result = 31 * result + (negated ? 1 : 0);
return result;
}
}