// 20*3+34/2
private static TreeComponent FindExpressions(List <string> list, int position1, out int position)
{
int count = 0;
position = position1;
for (int i = position; i < list.Count; i++)
{
var sTemp = list[i];
if (isOperator(sTemp))
{
i++;
TreeComponent c1 = FindExpressions(list, i, out i);
i++;
TreeComponent c2 = FindExpressions(list, i, out i);
ComplicatedExpression comp = new ComplicatedExpression();
var operation = new OperationComponent();
operation.value = sTemp;
comp._operation = operation;
comp.AddFirstExp(c2);
comp.AddSecondExp(c1);
position = i;
return(comp);
}
else
{
var simple = new SimpleExpression();
TreeComponent varComp;
if (isConstant(list[i]))
{
varComp = new Constant();
var varDig = new Digit();
varDig.value = int.Parse(list[i]);
varComp.Add(varDig);
}
else
{
varComp = new Variable();
var varDig = new Name();
varDig.value = list[i];
varComp.Add(varDig);
}
simple.Add(varComp);
position = i;
return(simple);
}
}
return(null);
}
private static TreeComponent ParseExpression(List <string> list)
{
TreeComponent mainComp = new Expression();
for (int i = 0; i < list.Count; i++)
{
if (isOperator(list[i]))
{
ComplicatedExpression cExp = new ComplicatedExpression();
var operation = new OperationComponent();
operation.value = list[i];
cExp._operation = operation;
i++;
TreeComponent complicated1 = FindExpressions(list, i, out i);
i++;
TreeComponent complicated2 = FindExpressions(list, i, out i);
cExp.AddFirstExp(complicated2);
cExp.AddSecondExp(complicated1);
mainComp.Add(cExp);
Console.WriteLine($"Складний вираз:\n{cExp._firstExp.Operation()}{cExp._operation.Operation()}{cExp._secondExp.Operation()}");
}
else
{
var simple = new SimpleExpression();
TreeComponent varComp;
if (isConstant(list[i]))
{
varComp = new Constant();
var varDig = new Digit();
varDig.value = int.Parse(list[i]);
varComp.Add(varDig);
}
else
{
varComp = new Variable();
var varDig = new Name();
varDig.value = list[i];
varComp.Add(varDig);
}
simple.Add(varComp);
mainComp.Add(simple);
}
}
return(mainComp);
}