Apple-2-Tools/dmolony-DiskBrowser
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NPV

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This commit is contained in:
Denis Molony 2017-03-08 20:18:59 +11:00
parent 65aa71254c
commit 6f9558674f
9 changed files with 89 additions and 71 deletions
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3
src/com/bytezone/diskbrowser/applefile/VisicalcFile.java
View File

@ -20,8 +20,7 @@ public class VisicalcFile extends AbstractFile
StringBuilder text = new StringBuilder ();
text.append ("Visicalc : " + name + "\n");
text.append ("Cells : " + sheet.size () + "\n\n");
text.append ("Visicalc : " + name + "\n\n");
text.append (sheet.getTextDisplay (debug));
return text.toString ();

12
src/com/bytezone/diskbrowser/visicalc/Average.java
View File

@ -20,13 +20,14 @@ public class Average extends Function
for (Address address : range)
{
Cell cell = parent.getCell (address);
if (cell.isValueType (ValueType.NA))
continue;
if (!cell.isValueType (ValueType.VALUE))
{
valueType = cell.getValueType ();
break;
return;
}
total += cell.getValue ();
@ -34,11 +35,12 @@ public class Average extends Function
}
if (totalChecked == 0)
valueType = ValueType.NA;
else
{
value = total / totalChecked;
valueType = ValueType.VALUE;
valueType = ValueType.ERROR;
return;
}
value = total / totalChecked;
valueType = ValueType.VALUE;
}
}

47
src/com/bytezone/diskbrowser/visicalc/Cell.java
View File

@ -132,10 +132,14 @@ class Cell extends AbstractValue implements Comparable<Cell>
// format cell value for output
String getText (int colWidth, char globalFormat)
{
char fmtChar = cellFormat != ' ' ? cellFormat : globalFormat;
switch (cellType)
{
case LABEL:
return Format.justify (label, colWidth, cellFormat);
if (fmtChar == ' ')
fmtChar = 'L';
return Format.justify (label, colWidth, fmtChar);
case REPEATING_CHARACTER:
return Format.justify (repeat, colWidth, ' ');
@ -146,29 +150,23 @@ class Cell extends AbstractValue implements Comparable<Cell>
case VALUE:
if (!isValueType (ValueType.VALUE))
{
char fmt =
cellFormat != ' ' ? cellFormat : globalFormat != ' ' ? globalFormat : 'R';
return Format.justify (value.getText (), colWidth, fmt);
if (fmtChar == ' ')
fmtChar = 'R';
return " " + Format.justify (value.getText (), colWidth - 1, fmtChar);
}
char formatChar = cellFormat != ' ' ? cellFormat : globalFormat;
return " " + Format.format (value, formatChar, colWidth - 1);
return " " + Format.format (value, fmtChar, colWidth - 1);
default:
assert false;
return getText (); // not possible
return "Impossible";
}
}
@Override
public double getValue ()
{
// if (value == null)
// calculate ();
if (cellType != CellType.VALUE)
return 0;
return value.getValue ();
return cellType == CellType.VALUE ? value.getValue () : 0;
}
@Override
@ -188,39 +186,20 @@ class Cell extends AbstractValue implements Comparable<Cell>
if (cellType == CellType.EMPTY)
return "";
assert cellType == CellType.VALUE;
return value.getText ();
}
@Override
public boolean isValueType (ValueType type)
{
// if (cellType == CellType.LABEL || cellType == CellType.REPEATING_CHARACTER)
// return type == ValueType.VALUE;
//
// if (cellType == CellType.EMPTY)
// return type == ValueType.NA;
//
// assert value != null : "bollocks " + address;
// return value.isValueType (type);
return type == getValueType ();
}
public boolean isCellType (CellType type)
{
return cellType == type;
}
@Override
public void calculate ()
{
// if (value != null && value.isValueType (ValueType.VALUE))
// return;
//
// if (expressionText == null)
// expressionText = "";
// value = new Expression (parent, expressionText).reduce ();
if (value != null)
if (cellType == CellType.VALUE)
value.calculate ();
}

5
src/com/bytezone/diskbrowser/visicalc/Count.java
View File

@ -27,11 +27,10 @@ class Count extends Function
if (!cell.isValueType (ValueType.VALUE))
{
valueType = cell.getValueType ();
break;
return;
}
if (cell.getValue () != 0.0)
value++;
value++;
}
}
}

7
src/com/bytezone/diskbrowser/visicalc/Expression.java
View File

@ -194,7 +194,14 @@ class Expression extends AbstractValue implements Iterable<Value>
else if (operator.equals ("*"))
value *= nextValue;
else if (operator.equals ("/"))
{
if (nextValue == 0)
{
valueType = ValueType.ERROR;
return;
}
value /= nextValue;
}
else if (operator.equals ("^"))
value = Math.pow (value, nextValue);
}

36
src/com/bytezone/diskbrowser/visicalc/Format.java
View File

@ -1,10 +1,8 @@
package com.bytezone.diskbrowser.visicalc;
import java.text.DecimalFormat;
public class Format
{
private static final DecimalFormat nf = new DecimalFormat ("#####0.00");
// private static final DecimalFormat nf = new DecimalFormat ("#####0.00");
private Format ()
{
@ -23,9 +21,10 @@ public class Format
case 'R':
case ' ':
// this could be improved
String numberFormat = String.format ("%%%d.5f", colWidth + 6);
String numberFormat = String.format ("%%%d.7f", colWidth + 8);
String val = String.format (numberFormat, actualValue);
val = val.trim ();
while (val.endsWith ("0"))
val = val.substring (0, val.length () - 1);
if (val.endsWith ("."))
@ -33,15 +32,25 @@ public class Format
if (val.startsWith ("0."))
val = val.substring (1);
if (val.length () > colWidth)
val = val.substring (val.length () - colWidth);
if (val.length () > colWidth && val.indexOf ('.') >= 0)
{
val = val.substring (0, colWidth);
}
// System.out.printf ("len:%d fmt: %s%n", val.length (), formatChar);
if (val.startsWith (" ") && formatChar == 'L')
if (formatChar == 'L')
{
String leftFormat = String.format ("%%-%ds", colWidth);
val = String.format (leftFormat, val.trim ());
val = String.format (leftFormat, val);
}
else
{
String rightFormat = String.format ("%%%ds", colWidth);
val = String.format (rightFormat, val);
}
if (val.length () > colWidth)
return ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>".substring (0, colWidth);
return val;
@ -53,8 +62,15 @@ public class Format
return result;
case '$':
String currencyFormat = String.format ("%%%d.%ds", colWidth, colWidth);
return String.format (currencyFormat, nf.format (actualValue));
String currencyFormat = String.format ("%%%d.%df", colWidth + 3, 2);
result = String.format (currencyFormat, actualValue).trim ();
String rightFormat = String.format ("%%%ds", colWidth);
val = String.format (rightFormat, result);
// System.out.println (result);
// System.out.println (val);
if (result.length () > colWidth)
return ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>".substring (0, colWidth);
return val;
case '*':
String graphFormat = String.format ("%%-%d.%ds", colWidth, colWidth);

6
src/com/bytezone/diskbrowser/visicalc/Lookup.java
View File

@ -12,8 +12,10 @@ class Lookup extends Function
super (parent, text);
int pos = text.indexOf (',');
sourceText = text.substring (8, pos);
source = new Expression (parent, sourceText);
rangeText = text.substring (pos + 1, text.length () - 1);
range = new Range (parent, rangeText);
@ -43,7 +45,9 @@ class Lookup extends Function
for (Address address : range)
{
Cell cell = parent.getCell (address);
if (cell != null && cell.getValue () > sourceValue) // past the value
if (cell.isValueType (ValueType.NA))
continue;
if (cell.getValue () > sourceValue) // past the value
break;
target = address;
}

37
src/com/bytezone/diskbrowser/visicalc/Npv.java
View File

@ -2,23 +2,24 @@ package com.bytezone.diskbrowser.visicalc;
public class Npv extends Function
{
// private final String valueText;
// private final String rangeText;
//
// private final Expression valueExp;
private final String valueText;
private final String rangeText;
private final Expression rateExp;
private final Range range;
Npv (Sheet parent, String text)
{
super (parent, text);
range = new Range (parent, text);
int pos = text.indexOf (',');
valueText = text.substring (5, pos);
rangeText = text.substring (pos + 1, text.length () - 1);
// int pos = text.indexOf (',');
// valueText = text.substring (8, pos);
// rangeText = text.substring (pos + 1, text.length () - 1);
//
// valueExp = new Expression (parent, valueText);
rateExp = new Expression (parent, valueText);
range = new Range (parent, rangeText);
values.add (rateExp);
}
@Override
@ -27,8 +28,20 @@ public class Npv extends Function
value = 0;
valueType = ValueType.VALUE;
rateExp.calculate ();
if (!rateExp.isValueType (ValueType.VALUE))
{
valueType = rateExp.getValueType ();
return;
}
double rate = 1 + rateExp.getValue ();
int period = 0;
for (Address address : range)
{
++period;
Cell cell = parent.getCell (address);
if (cell.isValueType (ValueType.NA))
continue;
@ -36,10 +49,10 @@ public class Npv extends Function
if (!cell.isValueType (ValueType.VALUE))
{
valueType = cell.getValueType ();
break;
return;
}
double temp = cell.getValue ();
value += cell.getValue () / Math.pow (rate, period);
}
}
}

7
src/com/bytezone/diskbrowser/visicalc/Sheet.java
View File

@ -8,7 +8,6 @@ import java.util.regex.Matcher;
import java.util.regex.Pattern;
import com.bytezone.diskbrowser.utilities.HexFormatter;
import com.bytezone.diskbrowser.visicalc.Cell.CellType;
public class Sheet
{
@ -177,8 +176,7 @@ public class Sheet
{
Map<Integer, Cell> cells = order == 'R' ? rowOrderCells : columnOrderCells;
for (Cell cell : cells.values ())
if (cell.isCellType (CellType.VALUE))
cell.calculate ();
cell.calculate ();
}
private int getLineLength (byte[] buffer, int offset)
@ -371,8 +369,9 @@ public class Sheet
recalculationOrder == 'R' ? "Row" : "Column"));
text.append (String.format ("Recalculation : %s%n",
recalculation == 'A' ? "Automatic" : "Manual"));
text.append (String.format ("Cells : %d%n", size ()));
if (rowOrderCells.size () > 0)
if (size () > 0)
text.append (String.format ("Range : %s:%s%n%n",
Address.getCellName (minRow + 1, minColumn),
Address.getCellName (maxRow + 1, maxColumn)));