/**
* Resolves internal function names into function indexes.
*
* <p>The name matching is case insensitive.
*
* @return the standard worksheet function index if found, otherwise
* <tt>FUNCTION_INDEX_EXTERNAL</tt>
*/
protected static short lookupIndex(String name) {
short ix = FunctionMetadataRegistry.lookupIndexByName(name.toUpperCase());
if (ix < 0) {
return FUNCTION_INDEX_EXTERNAL;
}
return ix;
}
protected final String lookupName(short index) {
if (index == FunctionMetadataRegistry.FUNCTION_INDEX_EXTERNAL) {
return "#external#";
}
FunctionMetadata fm = FunctionMetadataRegistry.getFunctionByIndex(index);
if (fm == null) {
throw new RuntimeException("bad function index (" + index + ")");
}
return fm.getName();
}
/**
* Used to detect whether a function name found in a formula is one of the standard excel
* functions
*
* <p>The name matching is case insensitive.
*
* @return <code>true</code> if the name specifies a standard worksheet function, <code>false
* </code> if the name should be assumed to be an external function.
*/
public static final boolean isBuiltInFunctionName(String name) {
short ix = FunctionMetadataRegistry.lookupIndexByName(name.toUpperCase());
return ix >= 0;
}
private static Function[] produceFunctions() {
Function[] retval = new Function[368];
retval[0] = new Count();
retval[ID.IF] = new IfFunc();
retval[2] = LogicalFunction.ISNA;
retval[3] = LogicalFunction.ISERROR;
retval[ID.SUM] = AggregateFunction.SUM;
retval[5] = AggregateFunction.AVERAGE;
retval[6] = AggregateFunction.MIN;
retval[7] = AggregateFunction.MAX;
retval[8] = new RowFunc(); // ROW
retval[9] = new Column();
retval[10] = new Na();
retval[11] = new Npv();
retval[12] = AggregateFunction.STDEV;
retval[13] = NumericFunction.DOLLAR;
retval[15] = NumericFunction.SIN;
retval[16] = NumericFunction.COS;
retval[17] = NumericFunction.TAN;
retval[18] = NumericFunction.ATAN;
retval[19] = NumericFunction.PI;
retval[20] = NumericFunction.SQRT;
retval[21] = NumericFunction.EXP;
retval[22] = NumericFunction.LN;
retval[23] = NumericFunction.LOG10;
retval[24] = NumericFunction.ABS;
retval[25] = NumericFunction.INT;
retval[26] = NumericFunction.SIGN;
retval[27] = NumericFunction.ROUND;
retval[28] = new Lookup();
retval[29] = new Index();
retval[31] = TextFunction.MID;
retval[32] = TextFunction.LEN;
retval[33] = new Value();
retval[34] = BooleanFunction.TRUE;
retval[35] = BooleanFunction.FALSE;
retval[36] = BooleanFunction.AND;
retval[37] = BooleanFunction.OR;
retval[38] = BooleanFunction.NOT;
retval[39] = NumericFunction.MOD;
retval[48] = TextFunction.TEXT;
retval[56] = FinanceFunction.PV;
retval[57] = FinanceFunction.FV;
retval[58] = FinanceFunction.NPER;
retval[59] = FinanceFunction.PMT;
retval[63] = NumericFunction.RAND;
retval[64] = new Match();
retval[65] = DateFunc.instance;
retval[66] = new TimeFunc();
retval[67] = CalendarFieldFunction.DAY;
retval[68] = CalendarFieldFunction.MONTH;
retval[69] = CalendarFieldFunction.YEAR;
retval[74] = new Now();
retval[76] = new Rows();
retval[77] = new Columns();
retval[82] = TextFunction.SEARCH;
retval[ID.OFFSET] = new Offset();
retval[82] = TextFunction.SEARCH;
retval[97] = NumericFunction.ATAN2;
retval[98] = NumericFunction.ASIN;
retval[99] = NumericFunction.ACOS;
retval[ID.CHOOSE] = new Choose();
retval[101] = new Hlookup();
retval[102] = new Vlookup();
retval[105] = LogicalFunction.ISREF;
retval[109] = NumericFunction.LOG;
retval[112] = TextFunction.LOWER;
retval[113] = TextFunction.UPPER;
retval[115] = TextFunction.LEFT;
retval[116] = TextFunction.RIGHT;
retval[117] = TextFunction.EXACT;
retval[118] = TextFunction.TRIM;
retval[119] = new Replace();
retval[120] = new Substitute();
retval[124] = TextFunction.FIND;
retval[127] = LogicalFunction.ISTEXT;
retval[128] = LogicalFunction.ISNUMBER;
retval[129] = LogicalFunction.ISBLANK;
retval[130] = new T();
retval[ID.INDIRECT] = null; // Indirect.evaluate has different signature
retval[169] = new Counta();
retval[183] = AggregateFunction.PRODUCT;
retval[184] = NumericFunction.FACT;
retval[190] = LogicalFunction.ISNONTEXT;
retval[197] = NumericFunction.TRUNC;
retval[198] = LogicalFunction.ISLOGICAL;
retval[212] = NumericFunction.ROUNDUP;
retval[213] = NumericFunction.ROUNDDOWN;
retval[220] = new Days360();
retval[221] = new Today();
retval[227] = AggregateFunction.MEDIAN;
retval[228] = new Sumproduct();
retval[229] = NumericFunction.SINH;
retval[230] = NumericFunction.COSH;
retval[231] = NumericFunction.TANH;
retval[232] = NumericFunction.ASINH;
retval[233] = NumericFunction.ACOSH;
retval[234] = NumericFunction.ATANH;
retval[ID.EXTERNAL_FUNC] = null; // ExternalFunction is a FreeREfFunction
retval[261] = new Errortype();
retval[269] = AggregateFunction.AVEDEV;
retval[276] = NumericFunction.COMBIN;
retval[279] = new Even();
retval[285] = NumericFunction.FLOOR;
retval[288] = NumericFunction.CEILING;
retval[298] = new Odd();
retval[300] = NumericFunction.POISSON;
retval[303] = new Sumxmy2();
retval[304] = new Sumx2my2();
retval[305] = new Sumx2py2();
retval[318] = AggregateFunction.DEVSQ;
retval[321] = AggregateFunction.SUMSQ;
retval[325] = AggregateFunction.LARGE;
retval[326] = AggregateFunction.SMALL;
retval[330] = new Mode();
retval[336] = TextFunction.CONCATENATE;
retval[337] = NumericFunction.POWER;
retval[342] = NumericFunction.RADIANS;
retval[343] = NumericFunction.DEGREES;
retval[344] = new Subtotal();
retval[345] = new Sumif();
retval[346] = new Countif();
retval[347] = new Countblank();
retval[359] = new Hyperlink();
retval[362] = MinaMaxa.MAXA;
retval[363] = MinaMaxa.MINA;
for (int i = 0; i < retval.length; i++) {
Function f = retval[i];
if (f == null) {
FunctionMetadata fm = FunctionMetadataRegistry.getFunctionByIndex(i);
if (fm == null) {
continue;
}
retval[i] = new NotImplementedFunction(fm.getName());
}
}
return retval;
}