/// <summary>
/// Creates formula
/// </summary>
/// <param name="tree">Operation tree</param>
/// <param name="level">Formula level</param>
/// <param name="sizes">Sizes of symbols</param>
/// <returns>The formula</returns>
public MathFormula CreateFormula(ObjectFormulaTree tree, byte level, int[] sizes)
{
MathFormula form = new MathFormula(level, sizes);
MathSymbol sym = new SeriesSymbol(index);
sym.Append(form);
sym = new BracketsSymbol();
sym.Append(form);
form.Last[0] = FormulaCreator.CreateFormula(tree[0], level, sizes);
form.Last[1] = new MathFormula((byte)(level + 1), sizes);
return(form);
}
/// <summary>
/// Creates symbol from string vector and sets it to formula
/// </summary>
/// <param name="f">the formula to set</param>
/// <param name="v">the string vector</param>
/// <param name="b">the begin position of symbol on string vector</param>
/// <param name="e">the end position of symbol on string vector</param>
/// <returns>The symbol</returns>
public static MathSymbol CreateSymbol(MathFormula f, List <byte[]> v, int b, int e)
{
char c = (char)GetByte(v, b);
byte by = GetByte(v, b + 1);
char cb = (char)by;
MathSymbol s = null;
switch (by)
{
case (byte)'1':
if (c == '%')
{
s = new SimpleSymbol('%', (byte)FormulaConstants.Variable, true, "\u03c0");
break;
}
s = new SimpleSymbol(c);
break;
case (byte)'2':
if (c == 'P')
{
s = new BracketsSymbol();
}
else if (c == 'F')
{
s = new FractionSymbol();
}
else if (c == 'A')
{
s = new BinaryFunctionSymbol('A', "atan2");
}
else if (c == 'M')
{
return(new AbsSymbol());
}
else
{
s = new RootSymbol();
}
break;
case (byte)'3':
string ss = "";
ss += c;
if (c == (byte)'*')
{
ss = "\u2219";
}
s = new BinarySymbol(c, false, ss);
break;
case (byte)'4':
s = new SimpleSymbol(c, false, (byte)FormulaConstants.Unary);
break;
case (byte)'5':
s = new SimpleSymbol(c, false, (byte)FormulaConstants.Number);
break;
case (byte)'7':
s = new SeriesSymbol(Int32.Parse(c + ""));
break;
}
s.Append(f);
MathSymbol symb = f.Last;
int j = b + SHIFT;
if (symb.Count > 0)
{
for (int i = 0; i < symb.Count; i++)
{
int m = 0;
for (int k = j; /*k <= e*/; k++)
{
byte bt = GetByte(v, k);
if (bt == BEGIN_SEPARATOR)
{
m++;
}
else if (bt == END_SEPARATOR)
{
m--;
}
if (m == 0)
{
if (symb[i] != null)
{
MathFormula formula = new MathFormula(symb[i].Level,
f.Sizes, v, j + 1, k - 1);
symb[i] = formula;
j = k + 1;
break;
}
}
}
}
}
return(symb);
}
/// <summary>
/// Detects operation
/// </summary>
/// <param name="s">First symbol of the formula</param>
/// <returns>Acceptor of operation</returns>
public override IOperationAcceptor Detect(MathSymbol s)
{
//Double a = 0;
if (s.Symbol == '~')
{
return(new BitwiseOperation());
}
if (s.Symbol == '¬')
{
return(NegationOperation.Object);
}
if (s.Symbol == '-')
{
return(Minus);
}
if (s.Symbol == '\u03B4')
{
return(new DeltaFunction());
}
if (s is SeriesSymbol)
{
SeriesSymbol ss = s as SeriesSymbol;
if (ss.Acceptor is IUnary)
{
return(new ElementaryUnaryOperation(ss.Acceptor as IUnary, ss.Index));
}
return(ss.Acceptor);
}
if (s is TernaryFunctionSymbol)
{
if (s.Symbol == '3')
{
return(TernaryBrackets.Singleton);
}
}
if (s is BinaryFunctionSymbol)
{
if (s.Symbol == '2')
{
return(BinaryBrackets.Singleton);
}
return(ElementaryAtan2.Object);
}
if (s is RootSymbol)
{
return(new ElementaryRoot());
}
if (s is FractionSymbol)
{
return(ElementaryFraction.Object);
}
if (s is BracketsSymbol)
{
return(Brakets);
}
if (s is SubscriptedSymbol)
{
SubscriptedSymbol sym = s as SubscriptedSymbol;
if (table != null)
{
}
return(new ElementaryObjectVariable(sym.Pair, table));
}
if (s.SymbolType == (byte)FormulaConstants.Variable)
{
if (s.Symbol == '%')
{
return(new TranscredentRealConstant('p'));
}
if (s.Symbol == 'e')
{
return(new TranscredentRealConstant('e'));
}
if (s.String.Equals("True"))
{
return(new BooleanConstant(true));
}
if (s.String.Equals("False"))
{
return(new BooleanConstant(false));
}
IOperationAcceptor var = detector.Detect(s);
if (var != null)
{
return(var);
}
else
{
return(null);
}
}
if (s.SymbolType == (byte)FormulaConstants.Number)
{
if (s.Symbol == '?')
{
return(new ElementaryRealConstant(s.DoubleValue));
}
else
{
return(new ElementaryULongConstant(s.ULongValue));
}
}
if (s.SymbolType == (byte)FormulaConstants.Unary & s.Symbol != '\u2211' & !(s.Symbol + "").Equals("'"))
{
string str = s.Symbol + "";
if (str.Equals(str.ToLower()))
{
if (s.Symbol == 'w')
{
return(new TimeOperation());
}
if (s.Symbol == 'o')
{
return(TimeToDoubleOperation.Object);
}
return(new ElementaryFunctionOperation(s.Symbol));
}
return(new ElementaryIntegerOperation(s.Symbol));
}
return(null);
}
/// <summary>
/// Detects operation
/// </summary>
/// <param name="s">First symbol of the formula</param>
/// <returns>Acceptor of operation</returns>
public virtual IOperationAcceptor Detect(MathSymbol s)
{
if (s.Symbol == '~')
{
return(new BitwiseOperation());
}
if (s.Symbol == '¬')
{
return(NegationOperation.Object);
}
if (s.Symbol == '-')
{
return(Minus);
}
if (s is SeriesSymbol)
{
SeriesSymbol ss = s as SeriesSymbol;
if (ss.Acceptor is IUnary)
{
return(new ElementaryUnaryOperation(ss.Acceptor as IUnary, ss.Index));
}
return(ss.Acceptor);
}
if (s is BinaryFunctionSymbol)
{
return(ElementaryAtan2.Object);
}
if (s is RootSymbol)
{
return(new ElementaryRoot());
}
if (s is FractionSymbol)
{
return(ElementaryFraction.Object);
}
if (s is BracketsSymbol)
{
return(Brakets);
}
if (s is AbsSymbol)
{
return(new ElementaryAbs());
}
if (s.SymbolType == (byte)FormulaConstants.Variable)
{
if (s.Symbol == '%')
{
return(new TranscredentRealConstant('p'));
}
if (s.Symbol == 'e')
{
return(new TranscredentRealConstant('e'));
}
return(new ElementaryObjectVariable(s.Symbol));
}
if (s.SymbolType == (byte)FormulaConstants.Number)
{
return(new ElementaryRealConstant(s.DoubleValue));
}
if (s.SymbolType == (byte)FormulaConstants.Unary & s.Symbol != '\u2211' & !(s.Symbol + "").Equals("'"))
{
string str = s.Symbol + "";
if (str.Equals(str.ToLower()))
{
return(new ElementaryFunctionOperation(s.Symbol));
}
return(new ElementaryIntegerOperation(s.Symbol));
}
if (s is SimpleSymbol)
{
SimpleSymbol ss = s as SimpleSymbol;
if (!ss.Bold & !ss.Italic)
{
return(new StringOperationAcceptor(ss.String));
}
}
return(null);
}