63 lines
2.3 KiB
Java
63 lines
2.3 KiB
Java
package com.bytezone.diskbrowser.appleworks;
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import com.bytezone.diskbrowser.utilities.Utility;
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// -----------------------------------------------------------------------------------//
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class CellFormula
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// -----------------------------------------------------------------------------------//
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{
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private static String[] tokens =
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{ "@Deg", "@Rad", "@Pi", "@True", "@False", "@Not", "@IsBlank", "@IsNA", "@IsError",
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"@Exp", "@Ln", "@Log", "@Cos", "@Sin", "@Tan", "@ACos", "@ASin", "@ATan2",
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"@ATan", "@Mod", "@FV", "@PV", "@PMT", "@Term", "@Rate", "@Round", "@Or", "@And",
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"@Sum", "@Avg", "@Choose", "@Count", "@Error", "@IRR", "@If", "@Int", "@Lookup",
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"@Max", "@Min", "@NA", "@NPV", "@Sqrt", "@Abs", "", "<>", ">=", "<=", "=", ">",
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"<", ",", "^", ")", "-", "+", "/", "*", "(", "-", "+", "..." };
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String value;
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// ---------------------------------------------------------------------------------//
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CellFormula (Cell cell, byte[] buffer, int offset, int length)
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// ---------------------------------------------------------------------------------//
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{
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StringBuilder text = new StringBuilder ();
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for (int i = 0; i < length; i++)
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{
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int value = buffer[offset + i] & 0xFF;
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if (value < 0xFD)
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{
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String token = tokens[value - 0xC0];
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text.append (token);
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if (value == 0xE0 || value == 0xE7)
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i += 3;
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}
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else if (value == 0xFD)
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{
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double d = Utility.getSANEDouble (buffer, offset + i + 1);
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String num = String.format ("%f", d).trim ();
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while (num.endsWith ("0"))
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num = num.substring (0, num.length () - 1);
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if (num.endsWith ("."))
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num = num.substring (0, num.length () - 1);
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text.append (num);
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i += 8;
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}
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else if (value == 0xFE)
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{
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CellAddress address = new CellAddress (buffer, offset + i + 1);
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String cellName =
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Cell.getCellName (cell.row + address.rowRef, cell.column + address.colRef);
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i += 3;
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text.append (cellName);
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}
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else if (value == 0xFF)
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{
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int len = buffer[offset + i + 1] & 0xFF;
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String word = new String (buffer, offset + i + 2, len);
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i += len + 1;
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System.out.println ("Word: " + word);
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}
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}
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value = text.toString ();
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}
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} |