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/*******************************************************************************
* Copyright (c) 2009,2010 QNX Software Systems
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* QNX Software Systems (Alena Laskavaia) - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.codan.examples.checkers;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.Collection;
import java.util.Iterator;
import org.eclipse.cdt.codan.core.model.AbstractCheckerWithProblemPreferences;
import org.eclipse.cdt.codan.core.model.IProblem;
import org.eclipse.cdt.codan.core.model.IProblemWorkingCopy;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
/**
* This is sample of non AST checker integration. This one is not
* external checker because it does not actually call other process, but it
* can easily made into one.
*
* This checker is parametrized by the search strings
*/
public class GrepChecker extends AbstractCheckerWithProblemPreferences {
private static final String PARAM_STRING_LIST = "searchlist";
public synchronized boolean processResource(IResource resource) {
if (!shouldProduceProblems(resource))
return false;
if (resource instanceof IFile) {
IFile file = (IFile) resource;
processFile(file);
return false;
}
return true;
}
void processFile(IFile file) {
Collection<IProblem> refProblems = getRuntime().getCheckersRegistry().getRefProblems(this);
for (Iterator<IProblem> iterator = refProblems.iterator(); iterator.hasNext();) {
IProblem checkerProblem = iterator.next();
IProblem problem = getProblemById(checkerProblem.getId(), file);
if (shouldProduceProblem(problem, file.getLocation())) {
// do something
Object[] values = (Object[]) getPreference(problem, PARAM_STRING_LIST);
if (values.length == 0)
continue; // nothing to do
externalRun(file, values, problem);
}
}
}
/**
* @param file
* @param checkerProblem
* @param values
* @param problem
* @return
*/
private void externalRun(IFile file, Object[] values, IProblem problem) {
try {
InputStream is = file.getContents();
BufferedReader bis = new BufferedReader(new InputStreamReader(is));
String line;
int iline = 0;
while ((line = bis.readLine()) != null) {
iline++;
for (int i = 0; i < values.length; i++) {
String str = (String) values[i];
if (line.contains(str)) {
reportProblem(problem.getId(), file, iline, str);
}
}
}
bis.close();
} catch (IOException e) {
// ignore
} catch (CoreException e) {
// ignore
}
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.cdt.codan.core.model.AbstractCheckerWithProblemPreferences
* #initPreferences(org.eclipse.cdt.codan.core.model.IProblemWorkingCopy)
*/
@Override
public void initPreferences(IProblemWorkingCopy problem) {
super.initPreferences(problem);
addListPreference(problem, PARAM_STRING_LIST, "Search strings", "Search string");
}
}
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