public virtual void VisitMembers(IEnumerable <string> names, Func <string, Type> typeSelector, Func <string, object> valueSelector, int depth)
{
foreach (string name in names)
{
Type type = null;
object value = null;
try
{
// Get the type and value
type = typeSelector(name);
value = valueSelector(name);
// If the type is null try using the runtime type
if (value != null && type == null)
{
type = value.GetType();
}
}
catch (Exception ex)
{
// Set the value as an exception we know about
value = new ObjectVisitorException(null, ex);
}
finally
{
VisitMember(name, type, value, depth);
}
}
}
private static HtmlElement CreateExceptionSpan(ObjectVisitorException exception)
{
HtmlElement span = new HtmlElement("span");
span.AppendChild(HelpersResources.ObjectInfo_PropertyThrewException);
span.AppendChild(HtmlElement.CreateSpan(exception.InnerException.Message, "exception"));
return(span);
}
public override void VisitObjectVisitorException(ObjectVisitorException exception)
{
Values.Add(exception.InnerException.Message);
}
public override void VisitObjectVisitorException(ObjectVisitorException exception)
{
Values.Add(exception.InnerException.Message);
}
private static HtmlElement CreateExceptionSpan(ObjectVisitorException exception) {
HtmlElement span = new HtmlElement("span");
span.AppendChild(HelpersResources.ObjectInfo_PropertyThrewException);
span.AppendChild(HtmlElement.CreateSpan(exception.InnerException.Message, "exception"));
return span;
}
public override void VisitObjectVisitorException(ObjectVisitorException exception) {
Current.AppendChild(CreateExceptionSpan(exception));
}
public virtual void VisitMembers(IEnumerable<string> names, Func<string, Type> typeSelector, Func<string, object> valueSelector, int depth)
{
foreach (string name in names)
{
Type type = null;
object value = null;
try
{
// Get the type and value
type = typeSelector(name);
value = valueSelector(name);
// If the type is null try using the runtime type
if (value != null && type == null)
{
type = value.GetType();
}
}
catch (Exception ex)
{
// Set the value as an exception we know about
value = new ObjectVisitorException(null, ex);
}
finally
{
VisitMember(name, type, value, depth);
}
}
}
public virtual void VisitObjectVisitorException(ObjectVisitorException exception)
{
}
public virtual void Visit(object value, int depth)
{
if (value == null || DBNull.Value.Equals(value))
{
VisitNull();
return;
}
// Check to see if the we've already visited this object
string id;
if (_visited.TryGetValue(value, out id))
{
VisitVisitedObject(id, value);
return;
}
string stringValue = value as string;
if (stringValue != null)
{
VisitStringValue(stringValue);
return;
}
if (TryConvertToString(value, out stringValue))
{
VisitConvertedValue(value, stringValue);
return;
}
// This exceptin occurs when we try to access the property and it fails
// for some reason. The actual exception is wrapped in the ObjectVisitorException
ObjectVisitorException exception = value as ObjectVisitorException;
if (exception != null)
{
VisitObjectVisitorException(exception);
return;
}
// Mark the object as visited
id = CreateObjectId(value);
_visited.Add(value, id);
NameValueCollection nameValueCollection = value as NameValueCollection;
if (nameValueCollection != null)
{
VisitNameValueCollection(nameValueCollection, depth);
return;
}
IDictionary dictionary = value as IDictionary;
if (dictionary != null)
{
VisitDictionary(dictionary, depth);
return;
}
IEnumerable enumerable = value as IEnumerable;
if (enumerable != null)
{
VisitEnumerable(enumerable, depth);
return;
}
VisitComplexObject(value, depth + 1);
}
public virtual void VisitObjectVisitorException(ObjectVisitorException exception)
{
}
public override void VisitObjectVisitorException(ObjectVisitorException exception)
{
Current.AppendChild(CreateExceptionSpan(exception));
}