private void ValidatePropertyInfo(PropertyInfo prop)
{
// Get a possible binary member configuration or use the default one.
BinaryMemberAttribute attrib = prop.GetCustomAttribute <BinaryMemberAttribute>();
bool hasAttrib = attrib != null;
attrib = attrib ?? new BinaryMemberAttribute();
// Property must have getter and setter - if not, throw an exception if it is explicitly decorated.
if (hasAttrib && (prop.GetMethod == null || prop.SetMethod == null))
{
throw new InvalidOperationException($"Getter and setter on property {prop} not found.");
}
// Property must be decorated or getter and setter public.
if (hasAttrib ||
(!Attribute.Explicit && prop.GetMethod?.IsPublic == true && prop.SetMethod?.IsPublic == true))
{
// For properties of enumerable type ElementCount must be specified.
if (prop.PropertyType.IsEnumerable() && attrib.Length <= 0)
{
throw new InvalidOperationException(
$"Property {prop} requires an element count specified with a {nameof(BinaryMemberAttribute)}.");
}
Members.Add(new MemberData(prop, prop.PropertyType, attrib));
}
}
// ---- METHODS (PRIVATE) --------------------------------------------------------------------------------------
private void ValidateFieldInfo(FieldInfo field)
{
// Get a possible binary member configuration or use the default one.
BinaryMemberAttribute attrib = field.GetCustomAttribute <BinaryMemberAttribute>();
bool hasAttrib = attrib != null;
attrib = attrib ?? new BinaryMemberAttribute();
// Field must be decorated or public.
if (hasAttrib || (!Attribute.Explicit && field.IsPublic))
{
// For fields of enumerable type ElementCount must be specified.
if (field.FieldType.IsEnumerable() && attrib.Length <= 0)
{
throw new InvalidOperationException(
$"Field {field} requires an element count specified with a {nameof(BinaryMemberAttribute)}.");
}
// Store member in a deterministic order.
MemberData memberData = new MemberData(field, field.FieldType, attrib);
if (attrib.Order == Int32.MinValue)
{
UnorderedMembers.Add(field.Name, memberData);
}
else
{
OrderedMembers.Add(attrib.Order, memberData);
}
}
}
private void WriteObject(object instance, BinaryMemberAttribute attribute, Type type, object value)
{
if (attribute.Converter == null)
{
if (value == null)
{
return;
}
if (type == typeof(String))
{
Write((String)value, attribute.StringFormat);
}
else if (type.TryGetEnumerableElementType(out Type elementType))
{
foreach (object element in (IEnumerable)value)
{
WriteObject(null, BinaryMemberAttribute.Default, elementType, element);
}
}
else if (type == typeof(Boolean))
{
Write((Boolean)value, attribute.BooleanFormat);
}
else if (type == typeof(Byte))
{
Write((Byte)value);
}
else if (type == typeof(DateTime))
{
Write((DateTime)value, attribute.DateTimeFormat);
}
else if (type == typeof(Decimal))
{
Write((Decimal)value);
}
else if (type == typeof(Double))
{
Write((Double)value);
}
else if (type == typeof(Int16))
{
Write((Int16)value);
}
else if (type == typeof(Int32))
{
Write((Int32)value);
}
else if (type == typeof(Int64))
{
Write((Int64)value);
}
else if (type == typeof(SByte))
{
Write((SByte)value);
}
else if (type == typeof(Single))
{
Write((Single)value);
}
else if (type == typeof(UInt16))
{
Write((UInt16)value);
}
else if (type == typeof(UInt32))
{
Write((UInt32)value);
}
else if (type == typeof(UInt64))
{
Write((UInt32)value);
}
else if (type.GetTypeInfo().IsEnum)
{
WriteEnum(type, value, attribute.Strict);
}
else
{
WriteCustomObject(type, value, Position);
}
}
else
{
// Let a converter do all the work.
IBinaryConverter converter = BinaryConverterCache.GetConverter(attribute.Converter);
converter.Write(this, instance, attribute, value);
}
}
// ---- CONSTRUCTORS & DESTRUCTOR ------------------------------------------------------------------------------
/// <summary>
/// Initializes a new instance of the <see cref="MemberData"/> class for the given <paramref name="memberInfo"/>
/// with the specified <paramref name="attribute"/> configuration.
/// </summary>
/// <param name="memberInfo">The <see cref="MemberData"/> to represent.</param>
/// <param name="type">The type of the value stored by the member.</param>
/// <param name="attribute">The <see cref="BinaryMemberAttribute"/> configuration.</param>
internal MemberData(MemberInfo memberInfo, Type type, BinaryMemberAttribute attribute)
{
MemberInfo = memberInfo;
Type = type;
Attribute = attribute;
}
private object ReadObject(object instance, BinaryMemberAttribute attribute, Type type)
{
if (attribute.Converter == null)
{
if (type == typeof(String))
{
if (attribute.StringFormat == StringDataFormat.Raw)
{
return(ReadString(attribute.Length));
}
else
{
return(ReadString(attribute.StringFormat));
}
}
else if (type.IsEnumerable())
{
throw new InvalidOperationException("Multidimensional arrays cannot be read directly.");
}
else if (type == typeof(Boolean))
{
return(ReadBoolean(attribute.BooleanFormat));
}
else if (type == typeof(Byte))
{
return(ReadByte());
}
else if (type == typeof(DateTime))
{
return(ReadDateTime(attribute.DateTimeFormat));
}
else if (type == typeof(Decimal))
{
return(ReadDecimal());
}
else if (type == typeof(Double))
{
return(ReadDouble());
}
else if (type == typeof(Int16))
{
return(ReadInt16());
}
else if (type == typeof(Int32))
{
return(ReadInt32());
}
else if (type == typeof(Int64))
{
return(ReadInt64());
}
else if (type == typeof(SByte))
{
return(ReadSByte());
}
else if (type == typeof(Single))
{
return(ReadSingle());
}
else if (type == typeof(UInt16))
{
return(ReadUInt16());
}
else if (type == typeof(UInt32))
{
return(ReadUInt32());
}
else if (type == typeof(UInt64))
{
return(ReadUInt64());
}
else if (type.GetTypeInfo().IsEnum)
{
return(ReadEnum(type, attribute.Strict));
}
else
{
return(ReadCustomObject(type, null, Position));
}
}
else
{
// Let a converter do all the work.
IBinaryConverter converter = BinaryConverterCache.GetConverter(attribute.Converter);
return(converter.Read(this, instance, attribute));
}
}
private static void WriteObject(Stream stream, object instance, BinaryMemberAttribute attribute, Type type,
object value, ByteConverter converter)
{
converter = converter ?? ByteConverter.System;
if (attribute.Converter == null)
{
if (value == null)
{
return;
}
else if (type == typeof(String))
{
stream.Write((String)value, attribute.StringFormat, converter: converter);
}
else if (type.TryGetEnumerableElementType(out Type elementType))
{
foreach (object element in (IEnumerable)value)
{
WriteObject(stream, null, BinaryMemberAttribute.Default, elementType, element, converter);
}
}
else if (type == typeof(Boolean))
{
stream.Write((Boolean)value, attribute.BooleanFormat, converter);
}
else if (type == typeof(Byte))
{
stream.Write((Byte)value);
}
else if (type == typeof(DateTime))
{
stream.Write((DateTime)value, attribute.DateTimeFormat, converter);
}
else if (type == typeof(Decimal))
{
stream.Write((Decimal)value);
}
else if (type == typeof(Double))
{
stream.Write((Double)value, converter);
}
else if (type == typeof(Int16))
{
stream.Write((Int16)value, converter);
}
else if (type == typeof(Int32))
{
stream.Write((Int32)value, converter);
}
else if (type == typeof(Int64))
{
stream.Write((Int64)value, converter);
}
else if (type == typeof(SByte))
{
stream.Write((SByte)value);
}
else if (type == typeof(Single))
{
stream.Write((Single)value, converter);
}
else if (type == typeof(UInt16))
{
stream.Write((UInt16)value, converter);
}
else if (type == typeof(UInt32))
{
stream.Write((UInt32)value, converter);
}
else if (type == typeof(UInt64))
{
stream.Write((UInt64)value, converter);
}
else if (type.IsEnum)
{
WriteEnum(stream, type, value, attribute.Strict, converter);
}
else
{
if (stream.CanSeek)
{
WriteCustomObject(stream, type, value, stream.Position, converter);
}
else
{
WriteCustomObject(stream, type, value, -1, converter);
}
}
}
else
{
// Let a binary converter do all the work.
IBinaryConverter binaryConverter = BinaryConverterCache.GetConverter(attribute.Converter);
binaryConverter.Write(stream, instance, attribute, value, converter);
}
}
private static object ReadObject(Stream stream, object instance, BinaryMemberAttribute attribute,
Type type, ByteConverter converter)
{
if (attribute.Converter == null)
{
if (type == typeof(String))
{
if (attribute.StringFormat == StringCoding.Raw)
{
return(stream.ReadString(attribute.Length));
}
else
{
return(stream.ReadString(attribute.StringFormat, converter: converter));
}
}
else if (type.IsEnumerable())
{
throw new InvalidOperationException("Multidimensional arrays cannot be read directly.");
}
else if (type == typeof(Boolean))
{
return(stream.ReadBoolean(attribute.BooleanFormat));
}
else if (type == typeof(Byte))
{
return(stream.Read1Byte());
}
else if (type == typeof(DateTime))
{
return(stream.ReadDateTime(attribute.DateTimeFormat, converter));
}
else if (type == typeof(Decimal))
{
return(stream.ReadDecimal());
}
else if (type == typeof(Double))
{
return(stream.ReadDouble(converter));
}
else if (type == typeof(Int16))
{
return(stream.ReadInt16(converter));
}
else if (type == typeof(Int32))
{
return(stream.ReadInt32(converter));
}
else if (type == typeof(Int64))
{
return(stream.ReadInt64(converter));
}
else if (type == typeof(SByte))
{
return(stream.ReadSByte());
}
else if (type == typeof(Single))
{
return(stream.ReadSingle(converter));
}
else if (type == typeof(UInt16))
{
return(stream.ReadUInt16(converter));
}
else if (type == typeof(UInt32))
{
return(stream.ReadUInt32(converter));
}
else if (type == typeof(UInt64))
{
return(stream.ReadUInt64(converter));
}
else if (type.IsEnum)
{
return(ReadEnum(stream, type, attribute.Strict, converter));
}
else
{
if (stream.CanSeek)
{
return(ReadCustomObject(stream, type, null, stream.Position, converter));
}
else
{
return(ReadCustomObject(stream, type, null, -1, converter));
}
}
}
else
{
// Let a binary converter do all the work.
IBinaryConverter binaryConverter = BinaryConverterCache.GetConverter(attribute.Converter);
return(binaryConverter.Read(stream, instance, attribute, converter));
}
}
