public PrefixedExpression(Expression expression, Boolean? common)
{
if (expression == null) throw new ArgumentNullException("expression");
m_expression = expression;
m_common = common;
}
Object ToRectangle(String s)
{
Evaluation.Expression expression = (Evaluation.Expression)ToExpression(s);
Rectangle?rectangle = EvaluationHelper.AsRectangle(null, expression, null);
if (rectangle == null)
{
return(Failure);
}
return(rectangle.Value);
}
Expression BuildExpression(String input)
{
if (input == null) throw new ArgumentNullException("input");
//Quoted strings must be case sensitive & cache is not case sensitive
if (input.IndexOf('"') == -1 && m_expressioncache.Contains(input) == true) return m_expressioncache[input];
List<Token> tokens = m_tokenizer.Tokenize(input);
List<Node> nodes = m_treebuilder.BuildTree(tokens);
List<EvaluationCallback> functions = new List<EvaluationCallback>();
foreach (Node node in nodes) functions.Add(m_compiler.Create(node));
Expression expression = new Expression(input, functions);
if (input.IndexOf('"') == -1) m_expressioncache.Add(expression);
return expression;
}
