static StaticExtensionFormulaEditor()
{
"orderby".AddAdditionalFormula();
"where".AddAdditionalFormula();
"average".AddAdditionalFormula();
"IndexOf".AddAdditionalFormula();
MathSymbolFactory.Sizes = new int[] { 15, 11, 9, 6 };
loadFormulaResources();
ObjectFormulaTree.Creator =
new FormulaArrayObjectCreator(ElementaryFunctionsCreator.Object);
ElementaryFunctionOperation.InitDeri();
ElementaryIntegerOperation.Prepare();
ParallelCount = 0;
}
/// <summary>
/// Chooses symbol from string
/// </summary>
/// <param name="str">The string</param>
/// <param name="b">The begin position</param>
/// <param name="e">The end position</param>
/// <returns>The chosen symbol</returns>
public override MathSymbol ChooseSymbol(string str, int b, int e)
{
char c = str[b];
char by = str[b + 1];
char cb = (char)by;
if ((c == '\u2221') & (by == '|'))
{
string s1 = "";
int ii = b + 2;
for (; ii < str.Length; ii++)
{
if (str[ii] == '|')
{
break;
}
s1 += str[ii];
}
++ii;
return(new FieldSymbol(s1));
}
if ((c == '\u2220') & (by == '|'))
{
string s1 = "";
int ii = b + 2;
for (; ii < str.Length; ii++)
{
if (str[ii] == '|')
{
break;
}
s1 += str[ii];
}
++ii;
string s2 = "";
for (; ii < str.Length; ii++)
{
if (str[ii] == '|')
{
break;
}
s2 += str[ii];
}
return(new SubscriptedSymbol(s1, s2));
}
switch (by)
{
case '0':
{
return(new SimpleSymbol(c, 0x0, false, false));
}
case '1':
if (c == '%')
{
return(new SimpleSymbol('%', (byte)FormulaConstants.Variable, true, "\u03c0"));
//break;
}
return(new SimpleSymbol(c));
//break;
case '2':
if (c == 'P')
{
return(new BracketsSymbol());
}
else if (c == 'F')
{
return(new FractionSymbol());
}
else if (c == 'A')
{
return(new BinaryFunctionSymbol('A', "atan2"));
}
else if (c == 'Q')
{
return(new RootSymbol());
}
else if (c == 'A')
{
return(new BinaryFunctionSymbol('A', "atan2"));
}
break;
case '3':
string ss = "";
ss += c;
if (c == (byte)'*')
{
ss = "\u2219";
}
if (c == '\u2266')
{
ss = "<<";
}
if (c == '\u2267')
{
ss = ">>";
}
if (c == '\u2216')
{
ss = "AND";
}
if (c == '\u8835')
{
ss = "=>";
}
if (c == '\u2217')
{
ss = "OR";
}
if (108 == (byte)c)
{
ss = "LIKE";
}
if (c == '%')
{
ss = "%";
}
b += 2;
return(new BinarySymbol(c, false, ss));
//break;
case '4':
string comp = c + "";
if (!comp.Equals(comp.ToLower()))
{
return(new SimpleSymbol(c, (byte)FormulaConstants.Unary, false, ElementaryIntegerOperation.GetString(c)));
}
return(new SimpleSymbol(c, false, (byte)FormulaConstants.Unary));
case '5':
return(new SimpleSymbol(c, false, (byte)FormulaConstants.Number));
//break;
case '7':
return(new SeriesSymbol(Int32.Parse(c + "")));
//break;
case '8':
return(new IndexedSymbol(c));
case '9':
return(new PoweredIndexedSymbol(c));
}
return(null);
}
