--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tracesrv/tracecompiler/src/com.nokia.tracecompiler/src/com/nokia/tracecompiler/engine/source/SourceEngine.java	Fri Oct 08 14:56:39 2010 +0300
@@ -0,0 +1,220 @@
+/*
+* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+* Source engine manages source documents that are opened to Eclipse UI
+*
+*/
+package com.nokia.tracecompiler.engine.source;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+
+import com.nokia.tracecompiler.model.TraceCompilerException;
+import com.nokia.tracecompiler.model.TraceModel;
+import com.nokia.tracecompiler.source.SourceDocumentInterface;
+import com.nokia.tracecompiler.source.SourceDocumentMonitor;
+import com.nokia.tracecompiler.source.SourceDocumentProcessor;
+import com.nokia.tracecompiler.utils.DocumentFactory;
+
+/**
+ * Source engine manages source documents that are opened to Eclipse UI.
+ * 
+ */
+public class SourceEngine implements SourceDocumentProcessor,
+		Iterable<SourceProperties> {
+
+	/**
+	 * Document monitor
+	 */
+	private SourceDocumentMonitor documentMonitor;
+
+	/**
+	 * Trace model listener implementation
+	 */
+	private SourceEngineModelListener modelListener = new SourceEngineModelListener(
+			this);
+
+	/**
+	 * Trace model extension listener
+	 */
+	private SourceEngineModelExtensionListener extensionListener = new SourceEngineModelExtensionListener(
+			this);
+
+	/**
+	 * The callback interfaces are notified about source file changes
+	 */
+	private ArrayList<SourceListener> listeners = new ArrayList<SourceListener>();
+
+	/**
+	 * Running flag
+	 */
+	private boolean running;
+
+	/**
+	 * Trace model
+	 */
+	private TraceModel model;
+
+	/**
+	 * Source list
+	 */
+	private ArrayList<SourceProperties> tempList = new ArrayList<SourceProperties>();
+
+	/**
+	 * Read-only files
+	 */
+	private String[] READ_ONLY = { ".h" //$NON-NLS-1$
+	};
+
+	/**
+	 * Non-source file list
+	 */
+	private ArrayList<String> nonSourceFiles = new ArrayList<String>();
+
+	/**
+	 * Constructor
+	 * 
+	 * @param model
+	 *            the trace model
+	 */
+	public SourceEngine(TraceModel model) {
+		this.model = model;
+	}
+
+	/**
+	 * Starts this engine. Does nothing if already running
+	 * @throws Exception 
+	 */
+	public void start() throws Exception {
+		if (!running) {
+			documentMonitor = DocumentFactory.getDocumentMonitor();
+			documentMonitor.startMonitor(this);
+			running = true;
+			model.addModelListener(modelListener);
+			model.addExtensionListener(extensionListener);
+		}
+	}
+
+	/**
+	 * Shuts down the source engine. Does nothing if already stopped
+	 */
+	public void shutdown() {
+		if (running) {
+			documentMonitor.stopMonitor();
+			documentMonitor = null;
+			running = false;
+			model.removeModelListener(modelListener);
+			model.removeExtensionListener(extensionListener);
+		}
+	}
+
+	/**
+	 * Adds source listener callback interface
+	 * 
+	 * @param listener
+	 *            the new listener
+	 */
+	public void addSourceListener(SourceListener listener) {
+		listeners.add(listener);
+	}
+
+	/**
+	 * Removes a source listener
+	 * 
+	 * @param listener
+	 *            the listener to be removed
+	 */
+	public void removeSourceListener(SourceListener listener) {
+		listeners.remove(listener);
+	}
+
+	/**
+	 * Gets the sources
+	 * 
+	 * @return the sources
+	 */
+	public Iterator<SourceProperties> getSources() {
+		tempList.clear();
+		for (SourceDocumentInterface doc : documentMonitor) {
+			tempList.add((SourceProperties) doc.getOwner());
+		}
+		return tempList.iterator();
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see java.lang.Iterable#iterator()
+	 */
+	public Iterator<SourceProperties> iterator() {
+		return getSources();
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see com.nokia.tracecompiler.source.SourceDocumentProcessor#
+	 *      sourceOpened(com.nokia.tracecompiler.source.SourceDocumentInterface)
+	 */
+	public void sourceOpened(SourceDocumentInterface source) throws TraceCompilerException {
+		SourceProperties properties = new SourceProperties(model,
+				documentMonitor.getFactory(), source);
+		// Headers are marked read-only
+		for (String s : READ_ONLY) {
+			String fileName = properties.getFileName();
+			if (fileName != null && fileName.endsWith(s)) {
+				properties.setReadOnly(true);
+				break;
+			}
+		}
+		properties.sourceOpened();
+		source.setOwner(properties);
+		for (SourceListener l : listeners) {
+			l.sourceOpened(properties);
+		}
+	}
+
+	/**
+	 * Adds a non-source file to this list.
+	 * 
+	 * @param filePath
+	 *            the non-source file path to added
+	 */
+	public void addNonSourceFile(String filePath) {
+		nonSourceFiles.add(filePath);
+	}
+
+	/**
+	 * Removes a non-source file from this list
+	 * 
+	 * @param filePath
+	 *            the non-source file path to be removed
+	 * @return true if removed
+	 */
+	public boolean removeNonSourceFile(String filePath) {
+		boolean retVal = nonSourceFiles.remove(filePath);
+		return retVal;
+	}
+
+	/**
+	 * Gets list of non-source files
+	 * 
+	 * @return the list of non-source file paths
+	 */
+	public ArrayList<String> getNonSourceFiles() {
+		return nonSourceFiles;
+	}
+
+}