--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/org.eclipse.jface.text/src/org/eclipse/jface/text/formatter/ContextBasedFormattingStrategy.d	Sat Mar 14 18:23:29 2009 +0100
@@ -0,0 +1,99 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2005 IBM Corporation 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:
+ *     IBM Corporation - initial API and implementation
+ * Port to the D programming language:
+ *     Frank Benoit <benoit@tionex.de>
+ *******************************************************************************/
+
+
+module org.eclipse.jface.text.formatter.ContextBasedFormattingStrategy;
+
+import org.eclipse.jface.text.formatter.MultiPassContentFormatter; // packageimport
+import org.eclipse.jface.text.formatter.FormattingContext; // packageimport
+import org.eclipse.jface.text.formatter.IFormattingStrategy; // packageimport
+import org.eclipse.jface.text.formatter.IContentFormatterExtension; // packageimport
+import org.eclipse.jface.text.formatter.IFormattingStrategyExtension; // packageimport
+import org.eclipse.jface.text.formatter.IContentFormatter; // packageimport
+import org.eclipse.jface.text.formatter.FormattingContextProperties; // packageimport
+import org.eclipse.jface.text.formatter.ContentFormatter; // packageimport
+import org.eclipse.jface.text.formatter.IFormattingContext; // packageimport
+
+import java.lang.all;
+import java.util.LinkedList;
+import java.util.Map;
+import java.util.Set;
+
+
+
+/**
+ * Formatting strategy for context based content formatting. Retrieves the preferences
+ * set on the formatting context's {@link FormattingContextProperties#CONTEXT_PREFERENCES}
+ * property and makes them available to subclasses.
+ * <p>
+ *
+ * @since 3.0
+ */
+public abstract class ContextBasedFormattingStrategy : IFormattingStrategy, IFormattingStrategyExtension {
+
+    /** The current preferences for formatting */
+    private Map fCurrentPreferences= null;
+
+    /** The list of preferences for initiated the formatting steps */
+    private const LinkedList fPreferences;
+
+    this(){
+        fPreferences= new LinkedList();
+    }
+
+    /*
+     * @see org.eclipse.jface.text.formatter.IFormattingStrategyExtension#format()
+     */
+    public void format() {
+        fCurrentPreferences= cast(Map)fPreferences.removeFirst();
+    }
+
+    /*
+     * @see org.eclipse.jface.text.formatter.IFormattingStrategy#format(java.lang.String, bool, java.lang.String, int[])
+     */
+    public String format(String content, bool start, String indentation, int[] positions) {
+        return null;
+    }
+
+    /*
+     * @see org.eclipse.jface.text.formatter.IFormattingStrategyExtension#formatterStarts(org.eclipse.jface.text.formatter.IFormattingContext)
+     */
+    public void formatterStarts(IFormattingContext context) {
+        fPreferences.addLast(context.getProperty(stringcast(FormattingContextProperties.CONTEXT_PREFERENCES)));
+    }
+
+    /*
+     * @see IFormattingStrategy#formatterStarts(String)
+     */
+    public void formatterStarts(String indentation) {
+        // Do nothing
+    }
+
+    /*
+     * @see org.eclipse.jface.text.formatter.IFormattingStrategyExtension#formatterStops()
+     */
+    public void formatterStops() {
+        fPreferences.clear();
+
+        fCurrentPreferences= null;
+    }
+
+    /**
+     * Returns the preferences used for the current formatting step.
+     *
+     * @return The preferences for the current formatting step
+     */
+    public final Map getPreferences() {
+        return fCurrentPreferences;
+    }
+}