1 files changed, 110 insertions, 0 deletions
diff --git a/codan/org.eclipse.cdt.codan.examples/src/org/eclipse/cdt/codan/examples/checkers/GrepChecker.java b/codan/org.eclipse.cdt.codan.examples/src/org/eclipse/cdt/codan/examples/checkers/GrepChecker.java
new file mode 100644
index 00000000000..5829ce0da27
--- /dev/null
+++ b/codan/org.eclipse.cdt.codan.examples/src/org/eclipse/cdt/codan/examples/checkers/GrepChecker.java
@@ -0,0 +1,110 @@
+/*******************************************************************************
+ * 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, "Found "
+								+ 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");
+	}
+}