/// <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);
for (int i = 0; i < 2; i++)
{
IFormulaCreatorOperation op = tree[i].Operation as IFormulaCreatorOperation;
MathFormula f = op.CreateFormula(tree[i], level, sizes);
MathFormula fp = null;
if (op.OperationPriority < OperationPriority)
{
fp = new MathFormula(level, sizes);
MathSymbol s = new BracketsSymbol();
s.Append(fp);
fp.First[0] = f;
}
else
{
fp = f;
}
form.Add(fp);
if (i == 0)
{
MathSymbol s = new BinarySymbol(symbol);
s.Append(form);
}
}
return(form);
}
/// <summary>
/// Creates formula
/// </summary>
/// <param name="operation">Operation of formula creator</param>
/// <param name="tree">Tree</param>
/// <param name="level">Level</param>
/// <param name="sizes">Sizes</param>
/// <param name="str">Str of binrary</param>
/// <returns>The formula</returns>
public static MathFormula CreateFormula(IFormulaCreatorOperation operation, ObjectFormulaTree tree, byte level, int[] sizes, string str)
{
MathFormula form = new MathFormula(level, sizes);
for (int i = 0; i < str.Length + 1; i++)
{
IFormulaCreatorOperation op = tree[i].Operation as IFormulaCreatorOperation;
MathFormula f = op.CreateFormula(tree[i], level, sizes);
MathFormula fp = null;
if (op.OperationPriority < operation.OperationPriority)
{
fp = new MathFormula(level, sizes);
MathSymbol s = new BracketsSymbol();
s.Append(fp);
fp.First[0] = f;
}
else
{
fp = f;
}
form.Add(fp);
if (i < str.Length)
{
MathSymbol s = new BinarySymbol(str[i]);
s.Append(form);
}
}
return(form);
}
/// <summary>
/// Copies this formula
/// </summary>
/// <returns>the copy</returns>
public virtual MathFormula Copy()
{
form = new MathFormula(level, sizes);
for (int i = 0; i < Count; i++)
{
MathSymbol s = this[i].Copy();
s.Parent = form;
form.Add(s);
}
return(form);
}
/// <summary>
/// Transformation of properties
/// </summary>
/// <param name="formula"></param>
/// <returns></returns>
static public MathFormula TransformPropery(this MathFormula formula)
{
MathFormula form = new MathFormula(formula.Level, formula.Sizes);
int n = formula.Count;
for (int i = 0; i < n; i++)
{
MathSymbol s = formula[i].Copy();
List <MathFormula> c = s.Children;
if (i < n + 2)
{
MathSymbol p = formula[i + 1];
MathSymbol pn = formula[i + 2];
if (p.Symbol == '.')
{
s = new PropertySymbol(s.String, p.String);
}
}
s.Parent = form;
form.Add(s);
}
return(form);
}