Bug 208944 - start of Flexible File System.

core/org.eclipse.cdt.core/plugin.xml

@@ -704,5 +704,14 @@
          <simple name="appName"/>
       </processType>
    </extension>
+   <extension
+         point="org.eclipse.core.filesystem.filesystems">
+      <filesystem
+            scheme="ffs">
+         <run
+               class="org.eclipse.cdt.internal.core.ffs.FFSFileSystem">
+         </run>
+      </filesystem>
+   </extension>
 
 </plugin>

core/org.eclipse.cdt.core/src/org/eclipse/cdt/internal/core/ffs/FFSFileSystem.java

@@ -0,0 +1,88 @@
+/**********************************************************************
+ * Copyright (c) 2007 QNX Software Systems and others.
+ * 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 - Initial API and implementation
+ **********************************************************************/
+
+package org.eclipse.cdt.internal.core.ffs;
+
+import java.io.File;
+import java.net.URI;
+import java.net.URISyntaxException;
+
+import org.eclipse.cdt.core.CCorePlugin;
+import org.eclipse.core.filesystem.EFS;
+import org.eclipse.core.filesystem.IFileStore;
+import org.eclipse.core.filesystem.IFileTree;
+import org.eclipse.core.filesystem.provider.FileSystem;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IPath;
+import org.eclipse.core.runtime.IProgressMonitor;
+
+/**
+ * @author Doug Schaefer
+ *
+ * This is the virtual file system. It maps URIs to files in underlying file systems.
+ * In doing so, it allows the hierarchical structure of URIs to be different.
+ * In particular, you can add files from one location to another and excludes files
+ * and directories from the tree.
+ */
+public class FFSFileSystem extends FileSystem {
+
+	public FFSFileSystem() {
+	}
+	
+	public IFileStore getStore(URI uri) {
+		try {
+			URI realURI = new URI(getScheme(), uri.getSchemeSpecificPart(), uri.getFragment());
+			return EFS.getStore(realURI);
+		} catch (URISyntaxException e) {
+			CCorePlugin.log(e);
+		} catch (CoreException e) {
+			CCorePlugin.log(e);
+		}
+
+		return EFS.getNullFileSystem().getStore(uri);
+	}
+
+	public int attributes() {
+		// TODO what attributes should we support?
+		return 0;
+	}
+
+	public boolean canDelete() {
+		return true;
+	}
+
+	public boolean canWrite() {
+		return true;
+	}
+
+	public IFileTree fetchFileTree(IFileStore root, IProgressMonitor monitor) {
+		try {
+			// TODO obviously
+			return EFS.getNullFileSystem().fetchFileTree(root, monitor);
+		} catch (CoreException e) {
+			CCorePlugin.log(e);
+			return null;
+		}
+	}
+
+	public IFileStore fromLocalFile(File file) {
+		return EFS.getLocalFileSystem().fromLocalFile(file);
+	}
+
+	public IFileStore getStore(IPath path) {
+		return EFS.getLocalFileSystem().getStore(path);
+	}
+
+	public boolean isCaseSensitive() {
+		return EFS.getLocalFileSystem().isCaseSensitive();
+	}
+
+}

core/org.eclipse.cdt.ui/plugin.xml

@@ -2274,5 +2274,13 @@
             id="org.eclipse.cdt.ui.provider1">
       </provider>
    </extension>
+   <extension
+         point="org.eclipse.ui.ide.filesystemSupport">
+      <filesystemContributor
+            class="org.eclipse.cdt.internal.ui.ffs.FFSFileSystemContributor"
+            label="Flexible File System"
+            scheme="ffs">
+      </filesystemContributor>
+   </extension>
  
  </plugin>

core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/ffs/FFSFileSystemContributor.java

@@ -0,0 +1,48 @@
+/**********************************************************************
+ * Copyright (c) 2007 QNX Software Systems and others.
+ * 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 - Initial API and implementation
+ **********************************************************************/
+
+package org.eclipse.cdt.internal.ui.ffs;
+
+import java.io.File;
+import java.net.URI;
+
+import org.eclipse.core.filesystem.EFS;
+import org.eclipse.core.filesystem.IFileInfo;
+import org.eclipse.core.runtime.Path;
+import org.eclipse.swt.widgets.DirectoryDialog;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.ui.ide.fileSystem.FileSystemContributor;
+
+/**
+ * @author Doug Schaefer
+ *
+ */
+public class FFSFileSystemContributor extends FileSystemContributor {
+
+	public URI browseFileSystem(String initialPath, Shell shell) {
+		DirectoryDialog dialog = new DirectoryDialog(shell);
+		dialog.setMessage("Select Project Location");
+
+		if (!initialPath.equals("")) { //$NON-NLS-1$
+			IFileInfo info = EFS.getLocalFileSystem().getStore(new Path(initialPath)).fetchInfo();
+			if (info != null && info.exists()) {
+				dialog.setFilterPath(initialPath);
+			}
+		}
+
+		String selectedDirectory = dialog.open();
+		if (selectedDirectory == null) {
+			return null;
+		}
+		return new File(selectedDirectory).toURI();
+	}
+
+}