/*
* Copyright 2014 Basis Technology Corp.
*
* 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 com.basistech.tclre;

import com.google.common.base.MoreObjects;

/**
 * Store information about a capturing pattern.
 */
class RegMatch {
    final int start;
    final int end;

    RegMatch(int start, int end) {
        this.start = start;
        this.end = end;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }

        RegMatch regMatch = (RegMatch)o;

        if (end != regMatch.end) {
            return false;
        }

        return start == regMatch.start;

    }

    @Override
    public int hashCode() {
        int result = start;
        result = 31 * result + end;
        return result;
    }

    @Override
    public String toString() {
        return MoreObjects.toStringHelper(this)
                .add("start", start)
                .add("end", end)
                .toString();
    }
}
