private bool IsImageRequest(string document)
{
if ((document != null) && (document != String.Empty))
{
Expression parsedExpression;
CallExpression callExpression;
Alphora.Dataphor.DAE.Language.D4.Parser parser = new Alphora.Dataphor.DAE.Language.D4.Parser();
parsedExpression = parser.ParseExpression(document);
//check to see if its a qulifier expression first
QualifierExpression qualifierExpression = parsedExpression as QualifierExpression;
if (qualifierExpression != null)
{
if ((((IdentifierExpression)qualifierExpression.LeftExpression).Identifier) == "Frontend" ||
(((IdentifierExpression)qualifierExpression.LeftExpression).Identifier) == ".Frontend")
{
callExpression = qualifierExpression.RightExpression as CallExpression;
}
else
{
callExpression = parsedExpression as CallExpression;
}
}
else
{
callExpression = parsedExpression as CallExpression;
}
return((callExpression != null) && (callExpression.Identifier == "Image"));
}
return(false);
}
private void StringToAdornExpression(string value)
{
if (value == String.Empty)
{
_orders.Clear();
_constraints.Clear();
_columns.Clear();
}
else
{
Parser parser = new Alphora.Dataphor.DAE.Language.D4.Parser();
AdornExpression expression = (AdornExpression)parser.ParseExpression(value);
_columns = expression.Expressions;
_constraints = expression.Constraints;
_orders = expression.Orders;
_keys = expression.Keys;
}
}
