/*
* SonarQube Java
* Copyright (C) 2012-2016 SonarSource SA
* mailto:contact AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.java.ast.visitors;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Sets;
import org.sonar.java.model.InternalSyntaxToken;
import org.sonar.plugins.java.api.tree.SyntaxToken;
import org.sonar.plugins.java.api.tree.Tree;
import java.util.List;
import java.util.Set;
public class LinesOfCodeVisitor extends SubscriptionVisitor{
private Set<Integer> lines = Sets.newHashSet();
public int linesOfCode(Tree tree) {
lines.clear();
scanTree(tree);
return lines.size();
}
@Override
public List<Tree.Kind> nodesToVisit() {
return ImmutableList.of(Tree.Kind.TOKEN);
}
@Override
public void visitToken(SyntaxToken syntaxToken) {
if (!((InternalSyntaxToken) syntaxToken).isEOF()) {
lines.add(syntaxToken.line());
}
}
}