//returns an equivalent formula that takes into account all
//formulas and coefficients
//i.e. [O2,2H2] results in H4O2
private static Formula CountMolecules(Formula[] formulas, int[] coeff)
{
Formula f = new Formula();
for (int i = 0; i < formulas.Length; i++)
{
//creates new equivalent formula without coefficient
Formula f2 = new Formula(formulas[i]);
//merges the formula into f
f.MergeFormula(f2.Factor(coeff[i]));
}
return(f);
}
//gets a Formula starting from next
//hydrates arent handled
private Formula GetFormula()
{
Formula formula = new Formula();
while (BoundCheck)
{
//end inner formula, return this
if (chars[next] == ')')
{
Next();
return(formula);
}
//start inner formula
else if (chars[next] == '(')
{
Next();
//gets formula
Formula f1 = GetFormula();
//gets the number after the closing parens
//i.e. get 7 from (CO2)7
if (f1 == null)
{
return(null);
}
int n = GetNumber();
//adds it to the main formula
formula.MergeFormula(f1.Factor(n));
}
//start symbol
else if (char.IsUpper(chars[next]))
{
Element e = GetSymbol();
if (e == null)
{
continue;
}
int n = GetNumber();
formula.Add(new NElements(n, e));
//error or end of data
}
else
{
return(null);
}
}
return(formula);
}
//returns an equivalent formula that takes into account all
//formulas and coefficients
//i.e. [O2,2H2] results in H4O2
private static Formula CountMolecules(Formula[] formulas, int[] coeff)
{
Formula f = new Formula();
for(int i = 0; i < formulas.Length; i++) {
//creates new equivalent formula without coefficient
Formula f2 = new Formula(formulas[i]);
//merges the formula into f
f.MergeFormula(f2.Factor(coeff[i]));
}
return f;
}
