public Operation Clone()
{
Operation op;
if (this is Addition)
{
op = new Addition();
} else if (this is Soustraction)
{
op = new Soustraction();
}else if (this is Multiplication)
{
op = new Multiplication();
}
else if (this is Division)
{
op = new Division();
}
else
{
op = new sqrt();
}
op.setOperandeA(this.operandeA);
op.setOperandeB(this.operandeB);
return op;
}
public void Analyser(string expression)
{
var pos = expression.LastIndexOf('+');
if (pos == -1) {
pos = expression.LastIndexOf('-');
}
if (pos == -1) { // Valeur
this.Droite = new Atome();
this.Droite.Analyser(expression);
this.Gauche = null;
} else { // Multiplication + Valeur
this.Gauche = new Addition();
this.Gauche.Analyser(expression.Substring(0, pos - 1));
this.Droite = new Atome();
this.Droite.Analyser(expression.Substring(pos + 1));
}
}
public void Analyser(string expression)
{
this.Addition = new Addition();
this.Addition.Analyser(expression.Replace(" ", ""));
}
public void Analyser(string expression)
{
if (expression.StartsWith("(")) {
if (expression.EndsWith(")")) {
this.Addition = new Addition();
this.Addition.Analyser(expression.Substring(1, expression.Length - 2));
this.Constante = null;
} else
throw new Exception("Pas de parenthèse de fin");
} else {
this.Constante = double.Parse(expression);
this.Addition = null;
}
}