mirror of
https://github.com/dmolony/DiskBrowser.git
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130 lines
2.7 KiB
Java
130 lines
2.7 KiB
Java
package com.bytezone.diskbrowser.visicalc;
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import java.util.Iterator;
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// http://www.bricklin.com/history/refcard1.htm
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// Functions:
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// @AVERAGE
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// @NPV
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// @LOOKUP(v,range)
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// @NA
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// @ERROR
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// @PI
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// @ABS
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// @INT
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// @EXP
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// @SQRT
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// @LN
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// @LOG10
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// @SIN
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// @ASIN
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// @COS
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// @ACOS
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// @TAN
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// @ATAN
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abstract class Function extends AbstractValue implements Iterable<Value>
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{
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protected final Sheet parent;
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protected String functionName;
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protected String functionText;
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protected String fullText;
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static Function getInstance (Sheet parent, String text)
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{
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if (text.charAt (0) != '@')
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{
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System.out.printf ("Unknown function: [%s]%n", text);
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return new Error (parent, "@ERROR");
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}
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if (text.startsWith ("@ABS("))
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return new Abs (parent, text);
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if (text.startsWith ("@AND("))
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return new And (parent, text);
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if (text.startsWith ("@AVERAGE("))
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return new Average (parent, text);
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if (text.startsWith ("@COUNT("))
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return new Count (parent, text);
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if (text.startsWith ("@CHOOSE("))
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return new Choose (parent, text);
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if (text.startsWith ("@ERROR"))
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return new Error (parent, text);
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if (text.startsWith ("@IF("))
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return new If (parent, text);
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if (text.startsWith ("@INT("))
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return new Int (parent, text);
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if (text.startsWith ("@ISERROR("))
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return new IsError (parent, text);
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if (text.startsWith ("@ISNA("))
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return new IsNa (parent, text);
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if (text.startsWith ("@LOOKUP("))
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return new Lookup (parent, text);
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if (text.startsWith ("@MIN("))
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return new Min (parent, text);
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if (text.startsWith ("@MAX("))
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return new Max (parent, text);
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if (text.equals ("@NA"))
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return new Na (parent, text);
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if (text.startsWith ("@NPV("))
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return new Npv (parent, text);
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if (text.startsWith ("@OR("))
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return new Or (parent, text);
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if (text.startsWith ("@PI"))
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return new Pi (parent, text);
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if (text.startsWith ("@SUM("))
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return new Sum (parent, text);
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System.out.printf ("Unknown function: [%s]%n", text);
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return new Error (parent, "@ERROR");
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}
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Function (Sheet parent, String text)
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{
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super ("Function");
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this.parent = parent;
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fullText = text;
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// get function's parameter string
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int pos = text.indexOf ('(');
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if (pos >= 0)
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{
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functionName = text.substring (0, pos);
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functionText = text.substring (pos + 1, text.length () - 1);
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}
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else
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{
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functionName = "";
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functionText = "";
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}
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}
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@Override
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public Iterator<Value> iterator ()
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{
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return values.iterator ();
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}
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@Override
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public String toString ()
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{
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return String.format ("Function: %s %s", functionName, functionText);
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}
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} |