/*
* Copyright 2005, Sixth and Red River Software
*
* 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.sixrr.stockmetrics.methodCalculators;
import com.intellij.psi.JavaRecursiveElementVisitor;
import com.intellij.psi.PsiComment;
import com.intellij.psi.PsiElementVisitor;
import com.intellij.psi.PsiMethod;
import com.sixrr.stockmetrics.utils.LineUtil;
public class CommentRatioMethodCalculator extends MethodCalculator {
private int methodNestingDepth = 0;
private int numerator = 0;
private int denominator = 0;
@Override
protected PsiElementVisitor createVisitor() {
return new Visitor();
}
private class Visitor extends JavaRecursiveElementVisitor {
@Override
public void visitMethod(PsiMethod method) {
if (methodNestingDepth == 0) {
numerator = 0;
denominator = 0;
}
denominator = LineUtil.countLines(method);
methodNestingDepth++;
super.visitMethod(method);
methodNestingDepth--;
if (methodNestingDepth == 0) {
if (denominator == 0) {
postMetric(method, 0);
} else {
postMetric(method, numerator, denominator);
}
}
}
@Override
public void visitComment(PsiComment comment) {
super.visitComment(comment);
numerator += LineUtil.countLines(comment);
}
}
}