[Pluthon-commits] r280 - trunk/launch/src/org/indt/pluthon/launch/core

[raul at garage.maemo.org]

Author: raul
Date: 2007-10-31 00:52:04 +0200 (Wed, 31 Oct 2007)
New Revision: 280

Added:
   trunk/launch/src/org/indt/pluthon/launch/core/PluthonConsoleLineLinkerTracker.java
Log:
line tracker to link to files with errors

Added: trunk/launch/src/org/indt/pluthon/launch/core/PluthonConsoleLineLinkerTracker.java
===================================================================
--- trunk/launch/src/org/indt/pluthon/launch/core/PluthonConsoleLineLinkerTracker.java	                        (rev 0)
+++ trunk/launch/src/org/indt/pluthon/launch/core/PluthonConsoleLineLinkerTracker.java	2007-10-30 22:52:04 UTC (rev 280)
@@ -0,0 +1,135 @@
+/*******************************************************************************
+ * Copyright (c) 2007 INdT.
+ * 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:
+ *    Raul Fernandes Herbster (raul at embedded.ufcg.edu.br) (UFCG) - initial API and implementation    
+ *******************************************************************************/
+package org.indt.pluthon.launch.core;
+
+import java.io.File;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import org.eclipse.core.internal.resources.Workspace;
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.ResourcesPlugin;
+import org.eclipse.core.runtime.IPath;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Path;
+import org.eclipse.debug.ui.console.FileLink;
+import org.eclipse.debug.ui.console.IConsole;
+import org.eclipse.debug.ui.console.IConsoleLineTracker;
+import org.eclipse.jface.text.BadLocationException;
+import org.eclipse.jface.text.IRegion;
+import org.eclipse.ui.console.IHyperlink;
+import org.python.pydev.editor.actions.PyOpenAction;
+import org.python.pydev.editor.model.ItemPointer;
+import org.python.pydev.editor.model.Location;
+import org.python.pydev.plugin.PydevPlugin;
+
+/**
+ * Line tracker that hyperlinks error lines. Error lines has the following
+ * pattern: 'File "D:\mybad.py" line 3\n n Syntax error'
+ * 
+ * Based on org.python.pydev.debug.ui.PythonConsoleLineTracker.
+ *
+ */
+public class PluthonConsoleLineLinkerTracker implements IConsoleLineTracker {
+
+	private IConsole console; // console we are attached to
+	
+	/** pattern for detecting error lines */
+	static Pattern linePattern = Pattern.compile("\\s*File \\\"([^\\\"]*)\\\", line (\\d*).*");
+
+	/**
+	 * Opens up a file with a given line
+	 */
+	public class ConsoleLink implements IHyperlink {
+
+		ItemPointer pointer;
+
+		public ConsoleLink(ItemPointer pointer) {
+			this.pointer = pointer;
+		}
+
+		public void linkEntered() {}
+		public void linkExited() {}
+
+		public void linkActivated() {
+			PyOpenAction open = new PyOpenAction();
+			open.run(pointer);
+		}
+	}
+
+	public void init(IConsole console) {
+		this.console = console;
+	}
+
+	/**
+	 * Hyperlink error lines to the editor.
+	 *
+	 * Based on org.eclipse.debug.ui.console.IConsoleLineTracker#lineAppended(org.eclipse.jface.text.IRegion)
+	 */
+	public void lineAppended(IRegion line) {
+		int lineOffset = line.getOffset();
+		int lineLength = line.getLength();
+		try {
+			String text = console.getDocument().get(lineOffset, lineLength);
+			Matcher m = linePattern.matcher(text);
+			String fileName = null;
+			String lineNumber = null;
+			int fileStart = -1;
+			// match
+			if (m.matches()) {
+				fileName = m.group(1);
+				lineNumber = m.group(2);
+				fileStart = 2; // The beginning of the line, "File  "
+			}
+			// hyperlink if we found something
+			if (fileName != null) {
+				int num = -1;
+				try {
+					num = lineNumber != null ? Integer.parseInt(lineNumber) : 0;
+				}
+				catch (NumberFormatException e) {
+					num = 0;
+				}
+                IHyperlink link = null;                
+                fileName = replaceFileName(fileName);                                
+				IFile[] files = ResourcesPlugin.getWorkspace().getRoot().findFilesForLocation(new Path(fileName));
+				if (files.length > 0 && files[0].exists())
+					link = new FileLink(files[0], null, -1, -1, num);
+				else {	// files outside of the workspace
+					File realFile = new File(fileName);
+					if (realFile.exists()) {
+						ItemPointer p = new ItemPointer(realFile, new Location(num+1, 0), null);
+						link = new ConsoleLink(p);
+					}
+				}
+				if (link != null)
+					console.addLink(link, lineOffset + fileStart, lineLength - fileStart);
+			}
+		} catch (BadLocationException e) {
+			PydevPlugin.log(IStatus.ERROR, "unexpected error", e);
+		}
+	}
+
+	/**
+	 * NOOP.
+	 * @see org.eclipse.debug.ui.console.IConsoleLineTracker#dispose()
+	 */
+	public void dispose() {
+	}
+	
+	private String replaceFileName(String fileName) {
+		final String REMOTE_LOCATION = ".pluthon";
+		IPath workspaceLocation = ResourcesPlugin.getWorkspace().getRoot().getLocation();
+		String workspaceFileLocation = fileName.substring(fileName.indexOf(REMOTE_LOCATION) + REMOTE_LOCATION.length());		
+		return workspaceLocation.toOSString() + workspaceFileLocation;
+	}
+
+}