From aa8fb216e6b39827b6b04b48c2c655fa6add5294 Mon Sep 17 00:00:00 2001
From: Alena Laskavaia <elaskavaia.cdt@gmail.com>
Date: Wed, 5 May 2010 19:59:17 +0000
Subject: [PATCH] - Added utility class to share between classes that want to
 open a file for marker

---
 .../cdt/codan/ui/CodanEditorUtility.java      | 111 ++++++++++++++++++
 1 file changed, 111 insertions(+)
 create mode 100644 codan/org.eclipse.cdt.codan.ui/src/org/eclipse/cdt/codan/ui/CodanEditorUtility.java

diff --git a/codan/org.eclipse.cdt.codan.ui/src/org/eclipse/cdt/codan/ui/CodanEditorUtility.java b/codan/org.eclipse.cdt.codan.ui/src/org/eclipse/cdt/codan/ui/CodanEditorUtility.java
new file mode 100644
index 00000000000..48be7a26a16
--- /dev/null
+++ b/codan/org.eclipse.cdt.codan.ui/src/org/eclipse/cdt/codan/ui/CodanEditorUtility.java
@@ -0,0 +1,111 @@
+/*******************************************************************************
+ * $QNXLicenseC:
+ * Copyright 2008, QNX Software Systems. All Rights Reserved.
+ * 
+ * You must obtain a written license from and pay applicable license fees to QNX 
+ * Software Systems before you may reproduce, modify or distribute this software, 
+ * or any work that includes all or part of this software.   Free development 
+ * licenses are available for evaluation and non-commercial purposes.  For more 
+ * information visit http://licensing.qnx.com or email licensing@qnx.com.
+ *  
+ * This file may contain contributions from others.  Please review this entire 
+ * file for other proprietary rights or license notices, as well as the QNX 
+ * Development Suite License Guide at http://licensing.qnx.com/license-guide/ 
+ * for other information.
+ * $
+ *******************************************************************************/
+/*
+ * Created by: Elena Laskavaia
+ * Created on: 2010-05-05
+ * Last modified by: $Author$
+ */
+package org.eclipse.cdt.codan.ui;
+
+import org.eclipse.cdt.core.model.CoreModel;
+import org.eclipse.cdt.core.model.ICElement;
+import org.eclipse.cdt.internal.ui.util.EditorUtility;
+import org.eclipse.core.resources.IMarker;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.runtime.IPath;
+import org.eclipse.core.runtime.Path;
+import org.eclipse.jface.text.BadLocationException;
+import org.eclipse.jface.text.IDocument;
+import org.eclipse.ui.IEditorPart;
+import org.eclipse.ui.PartInitException;
+import org.eclipse.ui.texteditor.ITextEditor;
+
+/**
+ * Utility tools to open editor and highlight the line
+ */
+public class CodanEditorUtility {
+	/**
+	 * @param fileUrl - file "url", like file:/tmp/a.c#22
+	 * @throws PartInitException 
+	 * @throws BadLocationException 
+	 */
+	public static void openFileURL(String fileUrl, IResource markerResource) throws PartInitException, BadLocationException {
+		String file = getFileFromURL(fileUrl);
+		
+		IEditorPart part = openInEditor(file, markerResource);
+		int line = getLineFromURL(fileUrl);
+		revealLine(part, line);
+	}
+
+	/**
+	 * Line is the part the follows # in this URL
+	 * @return -1 if not line found in URL, and line number if there is
+	 */
+	public static int getLineFromURL(String fileUrl) {
+	    String sline = fileUrl.replaceAll(".*#(\\d+)$", "$1"); //$NON-NLS-1$ //$NON-NLS-2$
+		int line = -1;
+		try {
+			line = Integer.parseInt(sline);
+		} catch (NumberFormatException e2) {
+			// no line
+		}
+	    return line;
+    }
+
+	public static String getFileFromURL(String link) {
+		String file = link.replaceFirst("^file:", ""); //$NON-NLS-1$ //$NON-NLS-2$
+		file = file.replaceAll("#\\d+$", ""); //$NON-NLS-1$//$NON-NLS-2$
+		return file;
+	}
+
+	public static void revealLine(IEditorPart part, int line) throws BadLocationException {
+		if (line > 0) {
+			if (part instanceof ITextEditor) {
+				ITextEditor textEditor = (ITextEditor) part;
+				IDocument document = textEditor.getDocumentProvider().getDocument(part.getEditorInput());
+				textEditor.selectAndReveal(document.getLineOffset(line - 1), 0);
+			}
+		}
+	}
+
+	@SuppressWarnings("restriction")
+	public static IEditorPart openInEditor(String file, IResource markerResource) throws PartInitException {
+		IPath pfile = new Path(file);
+		ICElement element = null;
+		if (markerResource != null)
+			CoreModel.getDefault().create(markerResource);
+		IEditorPart part = EditorUtility.openInEditor(pfile, element);
+		return part;
+	}
+
+	public static IEditorPart openInEditor(IMarker marker) throws PartInitException {
+		String href = getLocationHRef(marker);
+		String file = getFileFromURL(href);
+		return openInEditor(file, marker.getResource());
+	}
+
+	public static String getLocationHRef(IMarker marker) {
+		String loc = marker.getResource().getLocationURI().toString();
+		String loc2 = marker.getAttribute(IMarker.LOCATION, ""); //$NON-NLS-1$
+		int line = marker.getAttribute(IMarker.LINE_NUMBER, 0);
+		if (loc2.length() > 0) {
+			loc = "file:" + loc2.replaceAll("[^:]*: ", ""); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
+		}
+		String href = loc + "#" + line; //$NON-NLS-1$
+		return href;
+	}
+}