Fixed inconsitencies

com.minres.scviewer.database/src/com/minres/scviewer/database/BitVector.java

@@ -0,0 +1,56 @@
+package com.minres.scviewer.database;
+
+public class BitVector {
+
+	public static final char VALUE_X = 'X';
+	public static final char VALUE_Z = 'Z';
+	public static final char VALUE_1 = '1';
+	public static final char VALUE_0 = '0';
+
+	private final int width;
+	
+	private char[] value;
+	
+	public BitVector(int netWidth) {
+		this.width=netWidth;
+		value = new char[netWidth];
+		for(int i=0; i<netWidth; i++) value[i]='0';
+	}
+
+	public void setValue(int i, char value) {
+		this.value[i]=value;
+	}
+
+	public char[] getValue() {
+		return value;
+	}
+
+	public void setValue(char[] value) {
+		this.value = value;
+	}
+
+	public int getWidth() {
+		return width;
+	}
+
+	public String toString(){
+		return new String(value);
+	}
+	
+	public String toHexString(){
+		int resWidth=(width-1)/4+1;
+		char[] res = new char[resWidth];
+		for(int i=resWidth-1; i>=0; i--){
+			int digit=0;
+			for(int j=3; j>=0; j--){
+				if(value[4*i+j]==VALUE_X ||value[4*i+j]==VALUE_Z ){
+					res[i]=VALUE_X;
+				}
+				if(value[4*i+j]==VALUE_1)
+					digit+=1<<(3-j);
+				res[i]=Character.forDigit(digit, 16); //((digit < 10) ? '0' + digit : 'a' + digit -10)
+			}
+		}
+		return new String(res);		
+	}
+}

com.minres.scviewer.database/src/com/minres/scviewer/database/ISignalChangeMulti.java

@@ -1,7 +1,8 @@
 package com.minres.scviewer.database;
 
+
 public interface ISignalChangeMulti extends ISignalChange {
 	
-	public String getValue();
+	public BitVector getValue();
 
 }

com.minres.scviewer.database/src/com/minres/scviewer/database/ITx.java

@@ -13,7 +13,7 @@ package com.minres.scviewer.database;
 import java.util.Collection;
 import java.util.List;
 
-public interface ITx {
+public interface ITx extends Comparable<ITx>{
 
 	public Long getId();
 	

com.minres.scviewer.database/src/com/minres/scviewer/database/ITxStream.java

@@ -11,12 +11,13 @@
 package com.minres.scviewer.database;
 
 import java.util.List;
+import java.util.NavigableSet;
 
 public interface  ITxStream extends IWaveform {
 
 	public List<ITxGenerator> getGenerators();
 
-	public List<ITx> getTransactions();
+	public NavigableSet<ITx> getTransactions();
 
 	public ITx getTransactionById(long id);
 

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

@@ -1,5 +1,7 @@
 package com.minres.scviewer.database.vcd;
 
+import com.minres.scviewer.database.BitVector;
+
 // TODO: Auto-generated Javadoc
 /**
  * The Interface ITraceBuilder.

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

@@ -7,6 +7,7 @@ import java.util.List;
 import java.util.Stack;
 import java.util.Vector;
 
+import com.minres.scviewer.database.BitVector;
 import com.minres.scviewer.database.EventTime;
 import com.minres.scviewer.database.HierNode;
 import com.minres.scviewer.database.ISignal;
@@ -54,8 +55,8 @@ public class VCDDb extends HierNode implements IWaveformDb, IVCDDatabaseBuilder
 	 * @see com.minres.scviewer.database.ITrDb#getStreamByName(java.lang.String)
 	 */
 	@Override
-	public ITxStream getStreamByName(String name) {
-		return null;
+	public IWaveform getStreamByName(String name) {
+		return waveformLookup.get(name);
 	}
 
 	/* (non-Javadoc)
@@ -163,7 +164,7 @@ public class VCDDb extends HierNode implements IWaveformDb, IVCDDatabaseBuilder
 			VCDSignalChangeSingle change = new VCDSignalChangeSingle(time, decodedValues.getValue()[0]);
 			((VCDSignal<ISignalChangeSingle>)signal).addSignalChange(change);
 		} else {
-			VCDSignalChangeMulti change = new VCDSignalChangeMulti(time, new String(decodedValues.getValue()));
+			VCDSignalChangeMulti change = new VCDSignalChangeMulti(time, decodedValues);
 			((VCDSignal<VCDSignalChangeMulti>)signal).addSignalChange(change);			
 		}
 		maxTime= Math.max(maxTime, fCurrentTime);

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

@@ -3,6 +3,8 @@ package com.minres.scviewer.database.vcd;
 import java.io.*;
 import java.util.*;
 
+import com.minres.scviewer.database.BitVector;
+
 class VCDFileParser {
 	private StreamTokenizer tokenizer;
 	private IVCDDatabaseBuilder traceBuilder;

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

@@ -1,27 +1,28 @@
 package com.minres.scviewer.database.vcd;
 
+import com.minres.scviewer.database.BitVector;
 import com.minres.scviewer.database.EventTime;
 import com.minres.scviewer.database.ISignalChangeMulti;
 import com.minres.scviewer.database.SignalChange;
 
 public class VCDSignalChangeMulti extends SignalChange implements ISignalChangeMulti, Cloneable  {
 
-	private String value;
+	private BitVector value;
 	
 	public VCDSignalChangeMulti(EventTime time) {
 		super(time);
 	}
 
-	public VCDSignalChangeMulti(EventTime time, String value) {
+	public VCDSignalChangeMulti(EventTime time, BitVector decodedValues) {
 		super(time);
-		this.value=value;
+		this.value=decodedValues;
 	}
 
-	public String getValue() {
+	public BitVector getValue() {
 		return value;
 	}
 	
-	public void setValue(String value) {
+	public void setValue(BitVector value) {
 		this.value = value;
 	}