internal static Action <T, TextWriter> CreateFormatDelegate <T>(MemberInfo[] forMembers)
{
var accessors = forMembers.GetMemberAccessors <T>();
if (Formatter <T> .TypeIsValueTuple)
{
return(FormatValueTuple);
}
if (Formatter <T> .TypeIsException)
{
// filter out internal values from the Data dictionary, since they're intended to be surfaced in other ways
var dataAccessor = accessors.SingleOrDefault(a => a.Member.Name == "Data");
if (dataAccessor != null)
{
var originalGetData = dataAccessor.GetValue;
dataAccessor.GetValue = e => ((IDictionary)originalGetData(e))
.Cast <DictionaryEntry>()
.ToDictionary(de => de.Key, de => de.Value);
}
// replace the default stack trace with the full stack trace when present
var stackTraceAccessor = accessors.SingleOrDefault(a => a.Member.Name == "StackTrace");
if (stackTraceAccessor != null)
{
stackTraceAccessor.GetValue = e =>
{
var ex = e as Exception;
return(ex.StackTrace);
};
}
}
return(FormatObject);
void FormatObject(T target, TextWriter writer)
{
Formatter.PlainTextFormatter.WriteStartObject(writer);
if (!Formatter <T> .TypeIsAnonymous)
{
Formatter <Type> .FormatTo(typeof(T), writer);
Formatter.PlainTextFormatter.WriteEndHeader(writer);
}
for (var i = 0; i < accessors.Length; i++)
{
var accessor = accessors[i];
if (accessor.Ignore)
{
continue;
}
object value;
try
{
value = accessor.GetValue(target);
}
catch (Exception exception)
{
value = exception;
}
Formatter.PlainTextFormatter.WriteStartProperty(writer);
writer.Write(accessor.Member.Name);
Formatter.PlainTextFormatter.WriteNameValueDelimiter(writer);
value.FormatTo(writer);
Formatter.PlainTextFormatter.WriteEndProperty(writer);
if (i < accessors.Length - 1)
{
Formatter.PlainTextFormatter.WritePropertyDelimiter(writer);
}
}
Formatter.PlainTextFormatter.WriteEndObject(writer);
}
void FormatValueTuple(T target, TextWriter writer)
{
Formatter.PlainTextFormatter.WriteStartTuple(writer);
for (var i = 0; i < accessors.Length; i++)
{
try
{
var accessor = accessors[i];
if (accessor.Ignore)
{
continue;
}
var value = accessor.GetValue(target);
value.FormatTo(writer);
Formatter.PlainTextFormatter.WriteEndProperty(writer);
if (i < accessors.Length - 1)
{
Formatter.PlainTextFormatter.WritePropertyDelimiter(writer);
}
}
catch (Exception)
{
}
}
Formatter.PlainTextFormatter.WriteEndTuple(writer);
}
}
