public virtual Net.Vpc.Upa.Expressions.Expression ParseExpression(string expression)
{
try {
return(parser.Parse(new System.IO.StringReader(expression)));
} catch (Net.Vpc.Upa.Impl.Uql.Parser.Syntax.ParseException e) {
log.TraceEvent(System.Diagnostics.TraceEventType.Error, 100, Net.Vpc.Upa.Impl.FwkConvertUtils.LogMessageExceptionFormatter("Unable to parse Expression : " + expression, e));
throw e;
}
}
public virtual Net.Vpc.Upa.Expressions.Expression EvalString(string expression, object context)
{
if (expression == null)
{
return(null);
}
if ((expression).Length == 0)
{
return(new Net.Vpc.Upa.Expressions.Literal(""));
}
if (IsVarName(expression))
{
return(GetRegistry().GetTypeEvaluator(typeof(Net.Vpc.Upa.Expressions.Var)).EvalObject(new Net.Vpc.Upa.Expressions.Var(expression), this, context));
}
Net.Vpc.Upa.QLExpressionParser parser = Net.Vpc.Upa.UPA.GetBootstrapFactory().CreateObject <Net.Vpc.Upa.QLExpressionParser>(typeof(Net.Vpc.Upa.QLExpressionParser));
Net.Vpc.Upa.Expressions.Expression exprObj = parser.Parse(expression);
return(EvalObject(exprObj, context));
}
