tidying

src/com/bytezone/diskbrowser/visicalc/AbstractValue.java

@@ -4,7 +4,7 @@ import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
 
-public abstract class AbstractValue implements Value//, Iterable<Value>
+public abstract class AbstractValue implements Value
 {
   protected static final String FMT2 = "| %-9.9s : %-70.70s|%n";
   protected static final String FMT4 = "| %-9.9s : %-50.50s %-8.8s %-10.10s|%n";
@@ -15,7 +15,7 @@ public abstract class AbstractValue implements Value//, Iterable<Value>
   protected final Cell cell;
   protected final String fullText;
 
-  protected ValueType valueType = ValueType.NUMBER;         // could be BOOLEAN
+  protected ValueType valueType;    // = ValueType.NUMBER;         // could be BOOLEAN
   protected double value;
   protected boolean bool;
 
@@ -94,8 +94,11 @@ public abstract class AbstractValue implements Value//, Iterable<Value>
 
   protected String getValueText (Value value)
   {
-    return value.getValueType () == ValueType.NUMBER ? value.getDouble () + ""
-        : value.getBoolean () ? "TRUE" : "FALSE";
+    if (value.getValueType () == ValueType.NUMBER)
+      return value.getDouble () + "";
+    if (value.getValueType () == ValueType.BOOLEAN)
+      return value.getBoolean () ? "TRUE" : "FALSE";
+    return "??*??";
   }
 
   @Override

src/com/bytezone/diskbrowser/visicalc/Average.java

@@ -9,7 +9,6 @@ public class Average extends ValueListFunction
     super (cell, text);
 
     assert text.startsWith ("@AVERAGE(") : text;
-    valueType = ValueType.NUMBER;
   }
 
   @Override

src/com/bytezone/diskbrowser/visicalc/Cell.java

@@ -4,8 +4,6 @@ import java.util.Iterator;
 
 class Cell implements Value, Comparable<Cell>
 {
-  private static final String line = "+----------------------------------------"
-      + "--------------------------------------------+";
   private static final String empty = "                                        ";
 
   private final Address address;

src/com/bytezone/diskbrowser/visicalc/Choose.java

@@ -9,7 +9,6 @@ public class Choose extends ValueListFunction
     super (cell, text);
 
     assert text.startsWith ("@CHOOSE(") : text;
-    valueType = ValueType.NUMBER;
   }
 
   @Override

src/com/bytezone/diskbrowser/visicalc/Condition.java

@@ -12,18 +12,15 @@ class Condition extends AbstractValue implements Iterable<Value>
   private String comparator;
   private String conditionText;
   private String valueText;
-  private final String fullText;
-  //  private Address address; 
 
-  private Expression conditionExpression;
-  private Expression valueExpression;
+  private Value conditionExpression;
+  private Value valueExpression;
 
   public Condition (Cell cell, String text)
   {
     super (cell, text);
 
     valueType = ValueType.BOOLEAN;
-    fullText = text;
 
     for (String comp : comparators)
     {
@@ -44,38 +41,20 @@ class Condition extends AbstractValue implements Iterable<Value>
     }
 
     if (comparator == null)
-    {
-      if (text.startsWith ("@"))
+      if (text.startsWith ("@") || cellAddress.matcher (text).matches ())
       {
         conditionText = text;
-        conditionExpression = new Expression (cell, text);
-        values.add (conditionExpression);
-
-        //        comparator = "=";
-        //
-        //        valueText = "1";
-        //        valueExpression = new Expression (cell, valueText);
-        //        values.add (valueExpression);
-      }
-      else if (cellAddress.matcher (text).matches ())
-      {
-        conditionText = text;
-        conditionExpression = new Expression (cell, text);
-        conditionExpression.valueType = ValueType.BOOLEAN;
+        conditionExpression = new Expression (cell, text).reduce ();
         values.add (conditionExpression);
       }
       else
-      {
-        System.out.println ("No comparator and not a function: " + text);
-        throw new IllegalArgumentException ("No comparator and not a function: " + text);
-      }
-    }
+        throw new IllegalArgumentException (
+            "No comparator and not a function or address: " + text);
   }
 
   @Override
   public void calculate ()
   {
-    //    System.out.printf ("********Calc: %s%n", fullText);
     valueResult = ValueResult.VALID;
 
     conditionExpression.calculate ();
@@ -89,7 +68,6 @@ class Condition extends AbstractValue implements Iterable<Value>
     if (conditionExpression.getValueType () == ValueType.BOOLEAN)
     {
       bool = conditionExpression.getBoolean ();
-      //      System.out.printf ("********Bool: %s%n", bool);
       return;
     }
 
@@ -117,7 +95,6 @@ class Condition extends AbstractValue implements Iterable<Value>
       bool = conditionResult >= expressionResult;
     else
       System.out.printf ("Unexpected comparator result [%s]%n", comparator);
-    //    System.out.printf ("********Bool: %s%n", bool);
   }
 
   @Override
@@ -162,6 +139,7 @@ class Condition extends AbstractValue implements Iterable<Value>
   public String toString ()
   {
     StringBuilder text = new StringBuilder ();
+
     text.append (LINE + "\n");
     text.append (String.format (FMT4, "Predicate", getFullText (), valueType,
         getValueText (this)));
@@ -173,7 +151,7 @@ class Condition extends AbstractValue implements Iterable<Value>
       text.append (String.format (FMT4, "Right", valueText,
           valueExpression.getValueType (), getValueText (valueExpression)));
     }
-    //    text.append (LINE);
+
     return text.toString ();
   }
 }

src/com/bytezone/diskbrowser/visicalc/Count.java

@@ -7,6 +7,7 @@ class Count extends ValueListFunction
   public Count (Cell cell, String text)
   {
     super (cell, text);
+
     assert text.startsWith ("@COUNT(") : text;
   }
 
@@ -14,7 +15,6 @@ class Count extends ValueListFunction
   public void calculate ()
   {
     value = 0;
-    valueType = ValueType.NUMBER;
 
     if (!isRange)
       value = list.size ();

src/com/bytezone/diskbrowser/visicalc/Error.java

@@ -7,6 +7,8 @@ class Error extends ConstantFunction
     super (cell, text);
 
     assert text.startsWith ("@ERROR") : text;
+
     valueResult = ValueResult.ERROR;
+    valueType = ValueType.NUMBER;
   }
 }

src/com/bytezone/diskbrowser/visicalc/Format.java

@@ -65,8 +65,6 @@ public class Format
           val = String.format (rightFormat, val);
         }
 
-        //        System.out.printf ("[%s]%n", val);
-
         if (val.length () > colWidth)
           return OVERFLOW.substring (0, colWidth);
 

src/com/bytezone/diskbrowser/visicalc/If.java

@@ -83,6 +83,7 @@ class If extends Function
   public String toString ()
   {
     StringBuilder text = new StringBuilder ();
+
     text.append (String.format ("%s%n", LINE));
     text.append (String.format (FMT4, getType (), getFullText (), getValueType (),
         getValueText (this)));
@@ -91,6 +92,7 @@ class If extends Function
       attach (text, "true", textTrue, expTrue);
     else
       attach (text, "false", textFalse, expFalse);
+
     return text.toString ();
   }
 }

src/com/bytezone/diskbrowser/visicalc/IsError.java

@@ -7,7 +7,6 @@ class IsError extends BooleanFunction
     super (cell, text);
 
     assert text.startsWith ("@ISERROR(") : text;
-    valueType = ValueType.BOOLEAN;
   }
 
   @Override

src/com/bytezone/diskbrowser/visicalc/IsNa.java

@@ -7,7 +7,6 @@ public class IsNa extends BooleanFunction
     super (cell, text);
 
     assert text.startsWith ("@ISNA(") : text;
-    valueType = ValueType.BOOLEAN;
   }
 
   @Override

src/com/bytezone/diskbrowser/visicalc/Lookup.java

@@ -7,7 +7,6 @@ class Lookup extends ValueListFunction
     super (cell, text);
 
     assert text.startsWith ("@LOOKUP(") : text;
-    valueType = ValueType.NUMBER;
   }
 
   @Override
@@ -33,11 +32,6 @@ class Lookup extends ValueListFunction
     double sourceValue = source.getDouble ();
     Address target = null;
 
-    // is the range horizontal or vertical?
-    Cell firstCell = (Cell) list.get (1);
-    Cell lastCell = (Cell) list.get (list.size () - 1);
-    boolean isVertical = firstCell.getAddress ().columnMatches (lastCell.getAddress ());
-
     for (int i = 1; i < list.size (); i++)        // skip first entry
     {
       Cell cell = (Cell) list.get (i);
@@ -52,11 +46,19 @@ class Lookup extends ValueListFunction
       return;
     }
 
-    Address adjacentAddress = isVertical ? target.nextColumn () : target.nextRow ();
+    Address adjacentAddress = isVertical () ? target.nextColumn () : target.nextRow ();
 
     if (cell.cellExists (adjacentAddress))
       value = cell.getCell (adjacentAddress).getDouble ();
     else
       value = 0;
   }
+
+  // is the range horizontal or vertical?
+  private boolean isVertical ()
+  {
+    Cell firstCell = (Cell) list.get (1);
+    Cell lastCell = (Cell) list.get (list.size () - 1);
+    return firstCell.getAddress ().columnMatches (lastCell.getAddress ());
+  }
 }

src/com/bytezone/diskbrowser/visicalc/Max.java

@@ -7,7 +7,6 @@ class Max extends ValueListFunction
     super (cell, text);
 
     assert text.startsWith ("@MAX(") : text;
-    valueType = ValueType.NUMBER;
   }
 
   @Override

src/com/bytezone/diskbrowser/visicalc/Min.java

@@ -7,7 +7,6 @@ class Min extends ValueListFunction
     super (cell, text);
 
     assert text.startsWith ("@MIN(") : text;
-    valueType = ValueType.NUMBER;
   }
 
   @Override

src/com/bytezone/diskbrowser/visicalc/Na.java

@@ -7,6 +7,8 @@ public class Na extends ConstantFunction
     super (cell, text);
 
     assert text.equals ("@NA") : text;
+
     valueResult = ValueResult.NA;
+    valueType = ValueType.NUMBER;
   }
 }

src/com/bytezone/diskbrowser/visicalc/Npv.java

@@ -9,7 +9,6 @@ public class Npv extends ValueListFunction
     super (cell, text);
 
     assert text.startsWith ("@NPV(") : text;
-    valueType = ValueType.NUMBER;
   }
 
   @Override

src/com/bytezone/diskbrowser/visicalc/Range.java

@@ -1,6 +1,5 @@
 package com.bytezone.diskbrowser.visicalc;
 
-import java.security.InvalidParameterException;
 import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
@@ -9,10 +8,10 @@ import java.util.regex.Pattern;
 
 class Range implements Iterable<Address>
 {
-  private static final Pattern cellAddress = Pattern.compile ("[A-B]?[A-Z][0-9]{1,3}");
+  //  private static final Pattern cellAddress = Pattern.compile ("[A-B]?[A-Z][0-9]{1,3}");
   private static final Pattern rangePattern =
       Pattern.compile ("([A-B]?[A-Z])([0-9]{1,3})\\.\\.\\.([A-B]?[A-Z])([0-9]{1,3})");
-  private static final Pattern addressList = Pattern.compile ("\\(([^,]+(,[^,]+)*)\\)");
+  //  private static final Pattern addressList = Pattern.compile ("\\(([^,]+(,[^,]+)*)\\)");
 
   private Address from, to;
   private final List<Address> range = new ArrayList<Address> ();
@@ -57,7 +56,8 @@ class Range implements Iterable<Address>
         cell.getCell (from);
       }
     else
-      throw new InvalidParameterException ();
+      throw new IllegalArgumentException (
+          "Cannot create range " + from.getText () + ", " + to.getText ());
 
     from = tempFrom;
   }

src/com/bytezone/diskbrowser/visicalc/Sum.java

@@ -7,7 +7,6 @@ class Sum extends ValueListFunction
     super (cell, text);
 
     assert text.startsWith ("@SUM(") : text;
-    valueType = ValueType.NUMBER;
   }
 
   @Override

src/com/bytezone/diskbrowser/visicalc/ValueFunction.java

@@ -12,6 +12,7 @@ public abstract class ValueFunction extends Function
 
     source = cell.getExpressionValue (functionText);
     values.add (source);
+    valueType = ValueType.NUMBER;
   }
 
   @Override

src/com/bytezone/diskbrowser/visicalc/ValueList.java

@@ -7,7 +7,7 @@ import java.util.List;
 public class ValueList implements Iterable<Value>
 {
   private final List<Value> values = new ArrayList<Value> ();
-  private boolean rangeFound;
+  private boolean hasRange;
 
   public ValueList (Cell cell, String text)
   {
@@ -19,7 +19,7 @@ public class ValueList implements Iterable<Value>
 
       if (Range.isRange (parameter))
       {
-        rangeFound = true;
+        hasRange = true;
         for (Address address : new Range (cell, parameter))
           values.add (cell.getCell (address));
       }
@@ -35,7 +35,7 @@ public class ValueList implements Iterable<Value>
 
   public boolean hasRange ()
   {
-    return rangeFound;
+    return hasRange;
   }
 
   public Value get (int index)

src/com/bytezone/diskbrowser/visicalc/ValueListFunction.java

@@ -11,6 +11,7 @@ public abstract class ValueListFunction extends Function
 
     list = new ValueList (cell, functionText);
     isRange = functionText.indexOf ("...") > 0;
+    valueType = ValueType.NUMBER;
 
     for (Value v : list)
       values.add (v);