private void Replace(FormulaDecorator f)
{
if (f.Subformula is Var)
{
if (Substring.IsVar && (f.Subformula as Var).Value == Substring.Value)
{
(f.Subformula as Var).Value
= (f.Subformula as Var).Value.Replace(Substring.Value, Replacement.Value);
if (Replacement.IsConst)
{
var fConst = new Const((f.Subformula as Var).Value);
f.Subformula = fConst;
}
}
}
else if (f.Subformula is Const)
{
if (Substring.IsConst && (Replacement.IsConst ||
(f.Subformula as Const).Value == Substring.Value))
{
(f.Subformula as Const).Value
= (f.Subformula as Const).Value.Replace(Substring.Value, Replacement.Value);
if (Replacement.IsVar)
{
var fVar = new Var((f.Subformula as Const).Value);
f.Subformula = fVar;
}
}
else if (Substring.IsConst && Replacement.IsVar)
{
string value = (f.Subformula as Const).Value;
f.Subformula = new Const("");
ReplaceEntries(f, value);
}
}
}
public CharsFreqRemoveAdapter(Const value)
{
cfr = new CharsFreqRemover(value.Value);
}
public ReplaceSubstringDecorator(Var source, Const dest)
{
rv = new ReplaceVisitorAdapter(source, dest);
}
public ConcatDecorator(Const value)
{
ConcatValue = new ConstVar(value);
}
public ReplaceVisitorAdapter(Var source, Const dest)
{
rv = new ReplaceFormulaVisitor
(new ConstVar(source), new ConstVar(dest));
}