public override bool TryCreate(List <string> lines, CalculationBuilder builder, out CalculationItem item)
{
bool isMatch = (lines.First() == "{");
if (!isMatch)
{
item = null;
return(false);
}
EquationBlock block = new EquationBlock();
int level = 0;
builder.RemoveLines(lines, 1);
for ( ; ;)
{
CalculationItem eq = builder.Create(lines);
block.Equations.Add(eq);
string currentLine = lines.First();
if (currentLine == "}")
{
if (level == 0)
{
break;
}
else
{
level--;
}
}
}
builder.RemoveLines(lines, 1);
item = block;
return(true);
}
public abstract bool TryCreate(List <string> lines, CalculationBuilder builder, out CalculationItem item);