001/*
002 * SonarQube
003 * Copyright (C) 2009-2017 SonarSource SA
004 * mailto:info AT sonarsource DOT com
005 *
006 * This program is free software; you can redistribute it and/or
007 * modify it under the terms of the GNU Lesser General Public
008 * License as published by the Free Software Foundation; either
009 * version 3 of the License, or (at your option) any later version.
010 *
011 * This program is distributed in the hope that it will be useful,
012 * but WITHOUT ANY WARRANTY; without even the implied warranty of
013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014 * Lesser General Public License for more details.
015 *
016 * You should have received a copy of the GNU Lesser General Public License
017 * along with this program; if not, write to the Free Software Foundation,
018 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
019 */
020package org.sonar.api.batch.fs.internal;
021
022import org.sonar.api.batch.fs.TextPointer;
023
024/**
025 * @since 5.2
026 */
027public class DefaultTextPointer implements TextPointer {
028
029  private final int line;
030  private final int lineOffset;
031
032  public DefaultTextPointer(int line, int lineOffset) {
033    this.line = line;
034    this.lineOffset = lineOffset;
035  }
036
037  @Override
038  public int line() {
039    return line;
040  }
041
042  @Override
043  public int lineOffset() {
044    return lineOffset;
045  }
046
047  @Override
048  public String toString() {
049    return "[line=" + line + ", lineOffset=" + lineOffset + "]";
050  }
051
052  @Override
053  public boolean equals(Object obj) {
054    if (!(obj instanceof DefaultTextPointer)) {
055      return false;
056    }
057    DefaultTextPointer other = (DefaultTextPointer) obj;
058    return other.line == this.line && other.lineOffset == this.lineOffset;
059  }
060
061  @Override
062  public int hashCode() {
063    return 37 * this.line + lineOffset;
064  }
065
066  @Override
067  public int compareTo(TextPointer o) {
068    if (this.line == o.line()) {
069      return Integer.compare(this.lineOffset, o.lineOffset());
070    }
071    return Integer.compare(this.line, o.line());
072  }
073
074}