private string ProcessExpression(StringBuilder expressionBuffer, ViewDataContainer ViewData)
{
if (expressionBuffer.Length > 0)
{
string expression = expressionBuffer.ToString();
expressionBuffer.Clear();
string[] parts = expression.Split(':');
if (!ViewData.TryGet(parts[parts.Length - 1], out string value))
{
throw new Exception("A view expression referred to a key that does not exist in the view data.");
}
for (int i = parts.Length - 2; i >= 0; i--)
{
value = PerformExpressionMethod(parts[i], value);
}
return(value);
}
else
{
throw new Exception("View contained an empty expression.");
}
}
