/// <summary>
/// Appends new symbol to this object
/// </summary>
/// <param name="symbol">the symbol to append</param>
public void Append(MathSymbol symbol)
{
MathSymbol s = Next;
if (s != null)
{
s.Insert(symbol);
return;
}
parent.InsertObject(symbol);
}
/// <summary>
/// Creates Element from symbol
/// </summary>
/// <param name="symbol">The symbol</param>
/// <param name="document">The doucument</param>
/// <param name="creator">Creator</param>
/// <returns>The element</returns>
public static XElement CreateElement(MathSymbol symbol,
IXmlSymbolCreator creator)
{
XElement e = creator.CreateElement(symbol);
for (int i = 0; i < symbol.Count; i++)
{
XElement el = MathFormula.CreateElement(symbol[i], creator);
e.Add(el);
}
return(e);
}
/// <summary>
/// Appends the symbol to formula
/// </summary>
/// <param name="formula">Formula the formula to append</param>
/// <returns>Next inserted object</returns>
public MathFormula Append(MathFormula formula)
{
try
{
MathSymbol symbol = (MathSymbol)Clone();
symbol.SetToFormula(formula);
formula.Add(symbol);
symbol.parent = formula;
}
finally
{
}
return(formula);
}
/// <summary>
/// Wraps this symbol by brackets
/// </summary>
/// <returns>Next symbol</returns>
public MathSymbol Wrap(string prohibited)
{
sym = Next;
if (ShouldWrapped)
{
Insert(Bra);
Append(Ket);
}
if (HasChildren)
{
for (int i = 0; i < Count; i++)
{
this[i].Wrap(prohibited);
}
}
return(sym);
}
/// <summary>
/// Checks whether children contains the symbol
/// </summary>
/// <param name="s">the symbol</param>
/// <returns>the result of checking</returns>
public bool Contains(MathSymbol s)
{
if (s == this)
{
return(true);
}
if (HasChildren)
{
for (int i = 0; i < Count; i++)
{
if (this[i].Contains(s))
{
return(true);
}
}
}
return(false);
}
/// <summary>
/// Craeates symbol from Xml element
/// </summary>
/// <param name="e">The element</param>
/// <param name="creator">The creator</param>
/// <returns>The symbol</returns>
public static MathSymbol CreateSymbol(XElement e, IXmlSymbolCreator creator)
{
MathSymbol s = creator.CreateSymbol(e);
IEnumerable <XElement> l = e.GetElementsByTagName("F");
List <MathFormula> list = new List <MathFormula>();
foreach (XElement el in l)
{
if (el.Parent != e)
{
continue;
}
MathFormula f = MathFormula.CreateFormula(el, creator);
list.Add(f);
}
s.Children = list;
return(s);
}
/// <summary>
/// Inserts symbol
/// </summary>
/// <param name="formula">The formula to insert</param>
/// <param name="previosSymbol">The previos symbol</param>
/// <returns>Inserted object</returns>
public object InsertBefore(MathFormula formula, MathSymbol previosSymbol)
{
try
{
MathSymbol symbol = (MathSymbol)Clone();
symbol.SetToFormula(formula);
int n = formula.IndexOf(previosSymbol);
formula.Insert(n, symbol);
symbol.parent = formula;
if (symbol is BracketsSymbol)
{
return(symbol[0]);
}
return(symbol.NextObject);
}
finally
{
}
}
private static void getOperationIndexes(MathFormula formula, List <int> list)
{
for (int i = 0; i < formula.Count; i++)
{
MathSymbol s = formula[i];
for (int j = 0; j < s.Count; j++)
{
getOperationIndexes(s[j], list);
}
if (!(s is SeriesSymbol))
{
continue;
}
SeriesSymbol ss = s as SeriesSymbol;
int ind = ss.index;
if (!list.Contains(ind))
{
list.Add(ind);
}
}
}
/// <summary>
/// Makes copy of the symbol
/// </summary>
/// <returns>the copy</returns>
public MathSymbol Copy()
{
try
{
sym = Clone() as MathSymbol;
if (children != null)
{
sym.children = new List <MathFormula>();
for (int i = 0; i < Count; i++)
{
if (this[i] != null)
{
sym.children.Add(this[i].Copy());
}
}
}
sym.doubleValue = doubleValue;
return(sym);
}
finally
{
}
}
/// <summary>
/// Sets operations to formula
/// </summary>
/// <param name="formula">The formula</param>
/// <param name="table">Table of operations</param>
public static void SetOperations(MathFormula formula, Dictionary <int, IOperationAcceptor> table)
{
for (int i = 0; i < formula.Count; i++)
{
MathSymbol s = formula[i];
for (int j = 0; j < s.Count; j++)
{
SetOperations(s[j], table);
}
if (!(s is SeriesSymbol))
{
continue;
}
SeriesSymbol ss = s as SeriesSymbol;
int ind = ss.index;
ss.acceptor = null;
if (!table.ContainsKey(ind))
{
throw new Exception("Operation with index " + ind + " does not exist");
}
IOperationAcceptor acc = table[ind];
ss.acceptor = acc;
}
}
/// <summary>
/// Resets auxiliary variables
/// </summary>
public void Zero()
{
sym = null;
sym1 = null;
}
/// <summary>
/// Insetrs symbol before this symbol
/// </summary>
/// <param name="symbol">The symbol</param>
/// <param name="inserted">Inserted symbol</param>
/// <returns>The inserted object</returns>
public static object InsertObject(MathSymbol symbol, MathSymbol inserted)
{
return(inserted.InsertBefore(symbol.Parent, symbol));
}
/// <summary>
/// Transformation of string representation of double values
/// </summary>
/// <returns>the transformation result</returns>
public MathSymbol TranNumber()
{
string str = "";
sym = Next;
if (type != (byte)FormulaConstants.Number)
{
if (symbol != '.' | !s.Equals("."))
{
return(sym);
}
}
str += symbol;
if (HasChildren)
{
if (str.Length > 2)
{
if (str[1] == 'x')
{
ulong a = Hex(str);
ulong b = a >> 32;
if (b == 0)
{
doubleValue = a;
symbol = '?';
return(sym);
}
ulongValue = a;
symbol = '$';
return(sym);
}
}
if (!MathFormula.Resources.ContainsKey("."))
{
str = str.Replace('.', DecimalSep[0]);
}
if (double.TryParse(str, out doubleValue))
{
symbol = '?';
}
return(sym);
}
MathFormula f = new MathFormula((byte)0);
while (true)
{
try
{
if (sym == null)
{
if (str.Length > 2)
{
if (str[1] == 'x')
{
ulong a = Hex(str);
ulong b = a >> 32;
if (b == 0)
{
doubleValue = a;
symbol = '?';
return(sym);
}
ulongValue = a;
symbol = '$';
return(sym);
}
}
str = str.Replace('.', DecimalSep[0]);
if (double.TryParse(str, out doubleValue))
{
symbol = '?';
}
return(sym);
}
if ((sym.type != (byte)FormulaConstants.Number) & (sym.symbol != '.'))
{
if (str.Length > 2)
{
if ((str[1] == 'x'))
{
ulong a = Hex(str);
ulong b = a >> 32;
if (b == 0)
{
doubleValue = a;
symbol = '?';
return(sym);
}
ulongValue = a;
symbol = '$';
return(sym);
}
}
str = str.Replace('.', DecimalSep[0]);
doubleValue = Double.Parse(str);
symbol = '?';
return(sym);
}
if (sym.HasChildren)
{
children[0] = sym.children[0];
str = str.Replace('.', DecimalSep[0]);
doubleValue = Double.Parse(str);
sym.Remove();
return(Next);
}
else
{
str += sym.symbol;
if (str.Equals(".."))
{
return(sym);
}
sym1 = sym.Next;
sym.Remove();
sym = sym1;
}
}
finally
{
//throw new Exception(ERRORS[4] + ex.getMessage());
}
}
}
/// <summary>
/// Replaces this symbol
/// </summary>
/// <param name="s">the symbol to replace</param>
public void Replace(MathSymbol s)
{
Append(s);
Remove();
}
/// <summary>
/// Inserts symbol before this object
/// </summary>
/// <param name="symbol">the symbol to insert</param>
public void Insert(MathSymbol symbol)
{
InsertObject(this, symbol);
}
/// <summary>
/// Checks whether the symbol is same
/// </summary>
/// <param name="sym">Symbol</param>
/// <returns>True if same and false otherwise</returns>
public virtual bool IsSame(MathSymbol sym)
{
return(false);
}
