Added database support to read real valued signals

com.minres.scviewer.database.vcd/src/com/minres/scviewer/database/vcd/IVCDDatabaseBuilder.java

@@ -34,26 +34,44 @@ public interface IVCDDatabaseBuilder {
 	 *
 	 * @param netName the net name
 	 * @param i the index of the net, -1 if a new one, otherwise the id if the referenced
-	 * @param width the width
-	 * @return the integer
+	 * @param width the width, -1 equals real, 0... is a bit vector
+	 * @return the net id
 	 */
 	public Integer newNet(String netName, int i, int width) ;
 
 	/**
 	 * Gets the net width.
 	 *
-	 * @param intValue the int value
-	 * @return the net width
+	 * @param intValue the net id
+	 * @return the net width, -1 means a real-valued net
 	 */
-	public int getNetWidth(int intValue);
+	public int getNetWidth(int netId);
 
 	/**
 	 * Append transition.
 	 *
-	 * @param signalId the int value
+	 * @param netId the int value
 	 * @param currentTime the current time in ps
 	 * @param decodedValues the decoded values
 	 */
-	public void appendTransition(int signalId, long currentTime, BitVector decodedValues);
+	public void appendTransition(int netId, long currentTime, char decodedValue);
+
+	/**
+	 * Append transition.
+	 *
+	 * @param netId the int value
+	 * @param currentTime the current time in ps
+	 * @param decodedValues the decoded values
+	 */
+	public void appendTransition(int netId, long currentTime, BitVector decodedValue);
+
+	/**
+	 * Append transition.
+	 *
+	 * @param netId the int value
+	 * @param currentTime the current time in ps
+	 * @param decodedValue the decoded values
+	 */
+	public void appendTransition(int netId, long currentTime, double decodedValue);
 
 }