protected void Validate(ExprItem exprItem)
{
if (exprItem == null) throw new ArgumentNullException(string.Format(
CommonStrings.XMustNotBeNull, "exprItem"));
const string methodName = "Validate";
try
{
System.Reflection.MethodInfo method = this.GetType().GetMethod(methodName,
System.Reflection.BindingFlags.ExactBinding | System.Reflection.BindingFlags.NonPublic
| System.Reflection.BindingFlags.Instance, Type.DefaultBinder,
new Type[] { exprItem.GetType() },
new System.Reflection.ParameterModifier[0]);
if (method != null)
{
if (method != lastExprItemMethodRead || exprItem != lastExprItem)
{
lastExprItemMethodRead = method;
lastExprItem = exprItem;
method.Invoke(this, new Object[] { exprItem });
}
else
{
string message = string.Format(CommonStrings.LoopingMethodTerminated,
methodName, exprItem.GetType().ToString());
System.Diagnostics.Debug.WriteLine(message);
throw new ApplicationException(message);
}
}
else
{
string message = string.Format(CommonStrings.MethodXNotImplementedForParamTypeY,
methodName, exprItem.GetType().ToString());
System.Diagnostics.Debug.WriteLine(message);
throw new ApplicationException(message);
}
}
catch (Exception ex)
{
if (ex.InnerException != null)
if (ex.InnerException is ApplicationException && ex.InnerException.InnerException != null
&& ex.InnerException.Message == ex.InnerException.InnerException.Message)
throw new ApplicationException(ex.InnerException.Message, ex.InnerException.InnerException);
else
throw new ApplicationException(ex.InnerException.Message, ex.InnerException);
else
throw new ApplicationException(ex.Message, ex);
}
}
private void WriteXml(ExprItem exprItem)
{
if (exprItem == null) throw new ArgumentNullException(string.Format(CommonStrings.XIsNull, "exprItem"));
const string methodName = "WriteXml";
try
{
System.Reflection.MethodInfo method = this.GetType().GetMethod(methodName,
System.Reflection.BindingFlags.ExactBinding | System.Reflection.BindingFlags.NonPublic
| System.Reflection.BindingFlags.Instance, Type.DefaultBinder,
new Type[] { exprItem.GetType() },
new System.Reflection.ParameterModifier[0]);
if (method != null)
{
// Avoid StackOverflow exceptions by executing only if the method and visitable
// are different from the last parameters used.
if (method != lastMethodWriteXmlExprItem || exprItem != lastExprItemWrite)
{
lastMethodWriteXmlExprItem = method;
lastExprItemWrite = exprItem;
method.Invoke(this, new Object[] { exprItem });
}
else
{
string message = string.Format(CommonStrings.LoopingMethodTerminated,
methodName, exprItem.GetType().ToString());
System.Diagnostics.Debug.WriteLine(message);
throw new ApplicationException(message);
}
}
else
{
string message = string.Format(CommonStrings.MethodXNotImplementedForParamTypeY,
methodName, exprItem.GetType().ToString());
System.Diagnostics.Debug.WriteLine(message);
throw new ApplicationException(message);
}
}
catch (System.Reflection.TargetInvocationException ex)
{
if (ex.InnerException != null)
throw new ApplicationException(ex.InnerException.Message, ex.InnerException);
else
throw new ApplicationException(ex.Message, ex);
}
}
