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/*
* Copyright 2000-2014 JetBrains s.r.o.
*
* 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.
*/
/*
* @author max
*/
package com.intellij.tools;
import com.intellij.openapi.actionSystem.AnAction;
import com.intellij.openapi.actionSystem.AnActionEvent;
import com.intellij.openapi.actionSystem.CommonDataKeys;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.fileTypes.LanguageFileType;
import com.intellij.openapi.progress.ProgressIndicator;
import com.intellij.openapi.progress.ProgressManager;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.roots.ContentIterator;
import com.intellij.openapi.roots.ProjectRootManager;
import com.intellij.openapi.ui.Messages;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.psi.PsiComment;
import com.intellij.psi.PsiFile;
import com.intellij.psi.PsiManager;
import com.intellij.psi.PsiRecursiveElementWalkingVisitor;
import java.io.PrintStream;
import java.util.HashMap;
import java.util.LinkedHashSet;
import java.util.Map;
import java.util.Set;
public class ScanSourceCommentsAction extends AnAction {
private static final Logger LOG = Logger.getInstance("#com.intellij.tools.ScanSourceCommentsAction");
@Override
public void actionPerformed(AnActionEvent e) {
final Project p = CommonDataKeys.PROJECT.getData(e.getDataContext());
final String file =
Messages.showInputDialog(p, "Enter path to the file comments will be extracted to", "Comments File Path", Messages.getQuestionIcon());
try {
final PrintStream stream = new PrintStream(file);
stream.println("Comments in " + p.getName());
ProgressManager.getInstance().runProcessWithProgressSynchronously(new Runnable() {
@Override
public void run() {
final ProgressIndicator indicator = ProgressManager.getInstance().getProgressIndicator();
ProjectRootManager.getInstance(p).getFileIndex().iterateContent(new ContentIterator() {
@Override
public boolean processFile(VirtualFile fileOrDir) {
if (fileOrDir.isDirectory()) {
indicator.setText("Extracting comments");
indicator.setText2(fileOrDir.getPresentableUrl());
}
scanCommentsInFile(p, fileOrDir);
return true;
}
});
indicator.setText2("");
int count = 1;
for (CommentDescriptor descriptor : myComments.values()) {
stream.println("#" + count + " ---------------------------------------------------------------");
descriptor.print(stream);
stream.println();
count++;
}
}
}, "Generating Comments", true, p);
stream.close();
}
catch (Throwable e1) {
LOG.error(e1);
Messages.showErrorDialog(p, "Error writing? " + e1.getMessage(), "Problem writing");
}
}
private final Map<String, CommentDescriptor> myComments = new HashMap<String, CommentDescriptor>();
private void commentFound(VirtualFile file, String text) {
String reduced = text.replaceAll("\\s", "");
CommentDescriptor descriptor = myComments.get(reduced);
if (descriptor == null) {
descriptor = new CommentDescriptor(text);
myComments.put(reduced, descriptor);
}
descriptor.addFile(file);
}
private void scanCommentsInFile(final Project project, final VirtualFile vFile) {
if (!vFile.isDirectory() && vFile.getFileType() instanceof LanguageFileType) {
ApplicationManager.getApplication().runReadAction(new Runnable() {
@Override
public void run() {
PsiFile psiFile = PsiManager.getInstance(project).findFile(vFile);
if (psiFile == null) return;
for (PsiFile root : psiFile.getViewProvider().getAllFiles()) {
root.accept(new PsiRecursiveElementWalkingVisitor() {
@Override
public void visitComment(PsiComment comment) {
commentFound(vFile, comment.getText());
}
});
}
}
});
}
}
private class CommentDescriptor {
private final String myText;
private final Set<VirtualFile> myFiles = new LinkedHashSet<VirtualFile>();
public CommentDescriptor(String text) {
myText = text;
}
public void addFile(VirtualFile file) {
myFiles.add(file);
}
public void print(PrintStream out) {
out.println(myText);
int count = myFiles.size();
int i = 0;
for (VirtualFile file : myFiles) {
out.println(file.getPresentableUrl());
count--;
i++;
if (i > 5 && count > 2) break;
}
if (count > 0) {
out.println("And " + count + " more files");
}
}
}
}
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