/// <summary>
/// Finds the appriopriate decoder within specified category
/// </summary>
/// <param name="o">Object to find the decoder for</param>
/// <param name="category">Category of decoders to consider</param>
/// <returns>An encoder method appropriate for that object or null if not found</returns>
protected virtual BinaryDecoderData GetSpecificDecoder(object o, ConverterCategory category, ConverterCategory[] disallowed = null)
{
BinaryDecoderMethod decoder;
Func <IEnumerable <byte>, object> decoderMethod;
if (disallowed == null)
{
disallowed = new ConverterCategory[] { }
}
;
switch (category)
{
case ConverterCategory.ANY:
return(GetDecoder(o));
case ConverterCategory.CUSTOM:
decoder = GetCustomDecoder(o.GetType());
return((decoder == null && !disallowed.Contains(ConverterCategory.CUSTOM)) ? null : new BinaryDecoderData(decoder.Decoder));
case ConverterCategory.CUSTOM_PREDEFINED:
decoder = GetPredefinedCustomDecoder(o.GetType());
return((decoder == null && !disallowed.Contains(ConverterCategory.CUSTOM_PREDEFINED)) ? null : new BinaryDecoderData(decoder.Decoder));
case ConverterCategory.CUSTOM_FOR_CLASS:
decoderMethod = GetCustomClassEncoder(o);
return((decoderMethod == null && !disallowed.Contains(ConverterCategory.CUSTOM_FOR_CLASS)) ? null : new BinaryDecoderData(decoderMethod));
case ConverterCategory.GLOBAL_FOR_CLASS:
decoderMethod = GetGlobalClassDecoder(o.GetType());
return((decoderMethod == null && !disallowed.Contains(ConverterCategory.GLOBAL_FOR_CLASS)) ? null : new BinaryDecoderData(decoderMethod));
case ConverterCategory.DEFAULT:
decoder = GetDefaultDecoder(o.GetType());
return((decoder == null && !disallowed.Contains(ConverterCategory.DEFAULT)) ? null : new BinaryDecoderData(decoder.Decoder));
case ConverterCategory.DEFAULT_PREDEFINED:
decoder = GetPredefinedDefaultDecoder(o.GetType());
return((decoder == null && !disallowed.Contains(ConverterCategory.DEFAULT_PREDEFINED)) ? null : new BinaryDecoderData(decoder.Decoder));
case ConverterCategory.PRIMITIVE:
if (o.GetType().IsPrimitive&& !disallowed.Contains(ConverterCategory.PRIMITIVE))
{
return(new BinaryDecoderData(PrimitiveTypeDecoder));
}
return(null);
case ConverterCategory.SERIALIZABLE:
if (o.GetType().IsSerializable&& !disallowed.Contains(ConverterCategory.SERIALIZABLE))
{
return(new BinaryDecoderData(SerializableTypeDecoder));
}
return(null);
case ConverterCategory.COMPLEX:
if (!o.GetType().IsPrimitive&& !disallowed.Contains(ConverterCategory.COMPLEX))
{
return(new BinaryDecoderData(ComplexTypeDecoder));
}
return(null);
default:
throw new NotImplementedException("Provided category was not implemented");
}
}
/// <summary>
/// Finds the appropriate decoder for provided object
/// </summary>
/// <param name="o">Object to find the decoder for</param>
/// <returns>An decoder method appropriate for that object</returns>
protected virtual BinaryDecoderData GetDecoder(object o, ConverterCategory[] disallowed = null)
{
Type objectType = o.GetType();
BinaryDecoderMethod decoder;
Func <IEnumerable <byte>, object> decoderMethod;
if (disallowed == null)
{
disallowed = new ConverterCategory[] { }
}
;
// Step 1. Looking for a custom converter added manually to the converters list
decoder = GetCustomDecoder(objectType);
if (decoder != null && !disallowed.Contains(ConverterCategory.CUSTOM))
{
// Found the appropriate decoder
return(new BinaryDecoderData(decoder.Decoder));
}
// Step 2. Looking for a custom converter defined within the converter class
decoder = GetPredefinedCustomDecoder(objectType);
if (decoder != null && !disallowed.Contains(ConverterCategory.CUSTOM_PREDEFINED))
{
// Found the appropriate decoder
return(new BinaryDecoderData(decoder.Decoder));
}
// Step 3. Looking for a custom converter defined within the converted class
decoderMethod = GetCustomClassDecoder(o);
if (decoderMethod != null && !disallowed.Contains(ConverterCategory.CUSTOM_FOR_CLASS))
{
return(new BinaryDecoderData(decoderMethod));
}
// Step 4. Looking for a global converter defined for the class
decoderMethod = GetGlobalClassDecoder(objectType);
if (decoderMethod != null && !disallowed.Contains(ConverterCategory.GLOBAL_FOR_CLASS))
{
return(new BinaryDecoderData(decoderMethod));
}
// Step 5. Looking for a default converter added manually to the converters list
decoder = GetDefaultDecoder(objectType);
if (decoder != null && !disallowed.Contains(ConverterCategory.DEFAULT))
{
return(new BinaryDecoderData(decoder.Decoder));
}
// Step 6. Looking for a default converter defined within the converter class
decoder = GetPredefinedDefaultDecoder(objectType);
if (decoder != null && !disallowed.Contains(ConverterCategory.DEFAULT_PREDEFINED))
{
return(new BinaryDecoderData(decoder.Decoder));
}
// Step 7. Attempting a converter for a primitive type
if (objectType.IsPrimitive && !disallowed.Contains(ConverterCategory.PRIMITIVE))
{
return(new BinaryDecoderData(PrimitiveTypeDecoder, ConverterType.INCLUSIVE_PRIMITIVE));
}
// Step 8. Attempting a converter for a serializable type
if (objectType.IsSerializable && !disallowed.Contains(ConverterCategory.SERIALIZABLE))
{
return(new BinaryDecoderData(SerializableTypeDecoder, ConverterType.INCLUSIVE_SERIALIZABLE));
}
// Step 9. None of the above is valid, apply the default decoder
if (!disallowed.Contains(ConverterCategory.COMPLEX))
{
return(new BinaryDecoderData(ComplexTypeDecoder));
}
return(null);
}
