/*
 * Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */
package openjdk.codetools.jcov.report;

import java.util.Objects;

/**
 * Range of a file lines. Used in filters and in coverage.
 */
public class LineRange implements Comparable<LineRange> {
    private final int first;
    private final int last;

    public LineRange(int first, int last) {
        this.first = first;
        this.last = last;
    }

    public int first() {
        return first;
    }

    public int last() {
        return last;
    }

    public int compare(int line) {
        if (line < first) return -1;
        else if (line > last) return 1;
        return 0;
    }

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

    @Override
    public int hashCode() {
        return Objects.hash(first, last);
    }

    @Override
    public int compareTo(LineRange o) {
        return Integer.compare(first, o.first);
    }

    @Override
    public String toString() {
        return "[" + first + "," + last + "]";
    }
}
