/// <summary>
/// Dynamically generates a formatter function that will output the public properties of objects of type <typeparamref name = "T" /> as a string.
/// </summary>
/// <typeparam name = "T">The <see cref = "Type" /> targeted by the formatter function.</typeparam>
/// <returns>A formatter function.</returns>
public Func <T, string> CreatePropertiesFormatter <T>(bool includeInternals = false)
{
var write = Formatter <T> .GenerateForAllMembers(includeInternals);
return(t =>
{
var writer = Formatter.CreateWriter();
write(t, writer);
return writer.ToString();
});
}
private static void RegisterDefaults()
{
RegisterDefaultLogEntryFormatters();
// common primitive types
Formatter <bool> .Default = (value, writer) => writer.Write(value);
Formatter <byte> .Default = (value, writer) => writer.Write(value);
Formatter <Int16> .Default = (value, writer) => writer.Write(value);
Formatter <Int32> .Default = (value, writer) => writer.Write(value);
Formatter <Int64> .Default = (value, writer) => writer.Write(value);
Formatter <Guid> .Default = (value, writer) => writer.Write(value);
Formatter <Decimal> .Default = (value, writer) => writer.Write(value);
Formatter <Single> .Default = (value, writer) => writer.Write(value);
Formatter <Double> .Default = (value, writer) => writer.Write(value);
Formatter <DateTime> .Default = (value, writer) => writer.Write(value.ToString("u"));
Formatter <DateTimeOffset> .Default = (value, writer) => writer.Write(value.ToString("u"));
// common complex types
Formatter <KeyValuePair <string, object> > .Default = (pair, writer) =>
{
writer.Write(pair.Key);
TextFormatter.WriteNameValueDelimiter(writer);
pair.Value.FormatTo(writer);
};
Formatter <DictionaryEntry> .Default = (pair, writer) =>
{
writer.Write(pair.Key);
TextFormatter.WriteNameValueDelimiter(writer);
pair.Value.FormatTo(writer);
};
Formatter <ExpandoObject> .Default = (expando, writer) =>
{
TextFormatter.WriteStartObject(writer);
KeyValuePair <string, object>[] pairs = expando.ToArray();
int length = pairs.Length;
for (int i = 0; i < length; i++)
{
KeyValuePair <string, object> pair = pairs[i];
writer.Write(pair.Key);
TextFormatter.WriteNameValueDelimiter(writer);
pair.Value.FormatTo(writer);
if (i < length - 1)
{
TextFormatter.WritePropertyDelimiter(writer);
}
}
TextFormatter.WriteEndObject(writer);
};
Formatter <Type> .Default = (type, writer) =>
{
var typeName = type.Name;
if (type.IsGenericType && !type.IsAnonymous())
{
writer.Write(typeName.Remove(typeName.IndexOf('`')));
writer.Write("<");
var genericArguments = type.GetGenericArguments();
for (int i = 0; i < genericArguments.Length; i++)
{
Formatter <Type> .Default(genericArguments[i], writer);
if (i < genericArguments.Length - 1)
{
writer.Write(",");
}
}
writer.Write(">");
}
else
{
writer.Write(typeName);
}
};
// an additional formatter is needed since typeof(Type) == System.RuntimeType, which is not public
Register(typeof(Type).GetType(),
(obj, writer) => Formatter <Type> .Default((Type)obj, writer));
// supply a formatter for String so that it will not be iterated
Formatter <string> .Default = (s, writer) => writer.Write(s);
// extensions
Formatter <Counter> .Default = Formatter <Counter> .GenerateForAllMembers();
Formatter <Tracing> .Default = Formatter <Tracing> .GenerateForAllMembers();
// Newtonsoft.Json types -- these implement IEnumerable and their default output is not useful, so use their default ToString
TryRegisterDefault("Newtonsoft.Json.Linq.JArray, Newtonsoft.Json", (obj, writer) => writer.Write(obj));
TryRegisterDefault("Newtonsoft.Json.Linq.JObject, Newtonsoft.Json", (obj, writer) => writer.Write(obj));
}