private void SerializeType(Type type, object value, TableMemberAttribute attribute)
{
if (type.IsPrimitive)
{
SerializePrimitive(type, value);
}
else if (type.IsEnum)
{
var underlyingType = type.GetEnumUnderlyingType();
SerializeType(underlyingType, value, attribute);
}
else if (type.IsArray)
{
SerializeArray(type, (Array)value, attribute);
}
else if (type.IsClass || type.IsValueType)
{
if (type == typeof(string))
{
SerializeString((string)value, attribute);
}
else
{
SerializeClassOrValueType(type, value);
}
}
else
{
throw new NotImplementedException("Type not implemented");
}
}
private object DeserializeType(Type type, TableMemberAttribute attribute, int segmentLength = -1)
{
if (type.IsPrimitive)
{
return(DeserializePrimitive(type));
}
else if (type.IsEnum)
{
var underlyingType = type.GetEnumUnderlyingType();
return(Enum.ToObject(type, DeserializePrimitive(underlyingType)));
}
else if (type.IsArray)
{
return(DeserializeArray(type, attribute, segmentLength));
}
else if (type.IsClass || type.IsValueType)
{
if (type == typeof(string))
{
return(DeserializeString(attribute));
}
else
{
return(DeserializeClassOrValueType(type));
}
}
else
{
throw new NotImplementedException("Type not implemented");
}
}
private void SerializeMember(object instance, MemberInfo memberInfo, TableMemberAttribute attribute)
{
var type = memberInfo.GetMemberType();
var value = memberInfo.GetValue <object>(instance);
SerializeType(type, value, attribute);
}
private void SerializeArray(Type type, Array array, TableMemberAttribute attribute)
{
var elementType = type.GetElementType();
for (int i = 0; i < array.Length; i++)
{
SerializeType(elementType, array.GetValue(i), attribute);
}
}
private Array DeserializeComplexArray(Type elementType, TableMemberAttribute attribute, int elementCount)
{
Array array = Array.CreateInstance(elementType, elementCount);
for (int i = 0; i < array.Length; i++)
{
array.SetValue(DeserializeType(elementType, attribute), i);
}
return(array);
}
private string DeserializeString(TableMemberAttribute attribute)
{
if (attribute.FixedStringLength == -1)
{
throw new Exception("Fixed string length must be specified");
}
var bytes = mReader.ReadBytes(attribute.FixedStringLength);
var str = string.Empty;
for (int i = 0; i < bytes.Length; i++)
{
if (bytes[i] == 0)
{
break;
}
if (bytes[i] >= 0x80)
{
str += (char)(bytes[i++] | bytes[i] << 8);
}
else
{
str += (char)bytes[i];
}
}
mReader.SeekCurrent(1);
/*
* var bytes = mReader.ReadBytes(attribute.FixedStringLength);
* var str = string.Empty;
* for (int i = 0; i < bytes.Length; i++)
* {
* if (bytes[i] == 0)
* break;
*
* if (bytes[i] >= 0x80)
* {
* str += TextEncoding.GetCharacter((ushort) (bytes[i++] << 8 | bytes[i]));
* }
* else
* {
* str += TextEncoding.GetCharacter(bytes[i]);
* }
* }
*/
return(str);
}
private void DeserializeSegment(object instance, MemberInfo memberInfo, TableMemberAttribute attribute)
{
int segmentLength = ReadSegmentLength();
long segmentEnd = mReader.Position + segmentLength;
DeserializeMember(instance, memberInfo, attribute, segmentLength);
if (mReader.Position < segmentEnd)
{
throw new Exception("Not enough data read from table segment");
}
else if (mReader.Position > segmentEnd)
{
throw new Exception("Read past end of table segment");
}
mReader.Position = AlignmentHelper.Align(mReader.Position, 16);
}
private Array DeserializeArray(Type type, TableMemberAttribute attribute, int segmentLength = -1)
{
var elementType = type.GetElementType();
int elementCount = attribute.FixedArrayLength;
if (elementCount == -1 && attribute.MemberType == TableMemberType.Segment)
{
if (segmentLength == -1)
{
throw new ArgumentOutOfRangeException(nameof(segmentLength), "Segment length should be equal to or more than 0");
}
if (!elementType.IsPrimitive)
{
throw new Exception("A segment with implicit array length must be of a primitive type");
}
int elementSize = Marshal.SizeOf(elementType);
elementCount = segmentLength / elementSize;
}
if (elementType.IsPrimitive)
{
return(DeserializePrimitiveArray(elementType, elementCount));
}
else if (elementType.IsEnum)
{
var array = DeserializePrimitiveArray(elementType.GetEnumUnderlyingType(), elementCount);
var array2 = Array.CreateInstance(elementType, elementCount);
for (int i = 0; i < array.Length; i++)
{
array2.SetValue(Enum.ToObject(elementType, array.GetValue(i)), i);
}
return(array2);
}
else
{
return(DeserializeComplexArray(elementType, attribute, elementCount));
}
}
private void SerializeSegment(object instance, MemberInfo memberInfo, TableMemberAttribute attribute)
{
// save position & write dummy value
mWriter.EnqueuePosition();
mWriter.Write((int)0);
// write segment data
SerializeMember(instance, memberInfo, attribute);
// save end position for calculating segment length & continuing
mWriter.EnqueuePosition();
// seek back to write the segment length
mWriter.SeekBeginToDequeuedPosition();
mWriter.Write((int)((mWriter.PeekEnqueuedPosition() - mWriter.BaseStream.Position) - 4));
// seek back to continue writing
mWriter.SeekBeginToDequeuedPosition();
// write alignment padding
WriteSegmentPadding();
}
private void SerializeVariableLengthStringSegmentPair(object instance, MemberInfo memberInfo,
TableMemberAttribute attribute)
{
// get strings from the field or property
var strings = memberInfo.GetValue <string[]>(instance);
// calculate the size of the index buffer and write it to the stream
int indexBufferSize = strings.Length * sizeof(short);
mWriter.Write(indexBufferSize);
// calculate the size of the string buffer while also writing out the
// start index of each individual string
int stringBufferSize = 0;
foreach (var s in strings)
{
// write the starting index of each string
mWriter.Write((short)stringBufferSize);
foreach (char c in s)
{
if (c >= 0x80)
{
stringBufferSize += 2;
}
else
{
stringBufferSize += 1;
}
}
// 0 terminator
stringBufferSize += 1;
}
// write padding
WriteSegmentPadding();
// write the size of the string buffer
mWriter.Write(stringBufferSize);
foreach (var s in strings)
{
for (var i = 0; i < s.Length; i++)
{
if (s[i] >= 0x80)
{
mWriter.Write((byte)(s[i] & 0x00FF));
mWriter.Write((byte)((s[i] & 0xFF00) >> 8));
}
else
{
mWriter.Write((byte)(s[i] & 0x00FF));
}
}
mWriter.Write((byte)0);
}
// write padding
WriteSegmentPadding();
}
private void SerializeString(string value, TableMemberAttribute attribute)
{
if (attribute.FixedStringLength == -1)
{
throw new Exception("Fixed string length must be specified");
}
var bytes = Encoding.Unicode.GetBytes(value);
int bytesWritten = 0;
for (int i = 0; i < bytes.Length; i++)
{
if (bytesWritten == attribute.FixedStringLength)
{
break;
}
/*
* if (bytes[i] >= 0x80)
* {
* mWriter.Write(bytes[i++]);
* mWriter.Write(bytes[i]);
* bytesWritten += 2;
* }
* else
* {
*/
mWriter.Write(bytes[i++]);
bytesWritten += 1;
//}
}
int leftOver = (attribute.FixedStringLength + 1) - bytesWritten;
while (leftOver > 0)
{
mWriter.Write((byte)0);
leftOver--;
}
/*
* int bytesWritten = 0;
* for (int i = 0; i < value.Length; i++)
* {
* ushort characterCode = TextEncoding.GetCharacterCode(value[i]);
* if (characterCode <= 0x7F)
* {
* mWriter.Write((byte) (characterCode & 0x00FF));
* bytesWritten += 1;
* }
* else
* {
* mWriter.Write((byte) (characterCode & 0xFF00));
* mWriter.Write((byte) (characterCode & 0x00FF));
* bytesWritten += 2;
* }
* }
*
* int leftOver = attribute.FixedStringLength - bytesWritten;
* while (leftOver-- > 0)
* mWriter.Write((byte)0);
*/
}
private void DeserializeVariableLengthStringSegmentPair(object instance, MemberInfo memberInfo, TableMemberAttribute attribute)
{
int segmentLength = ReadSegmentLength();
var indices = mReader.ReadInt16s(segmentLength / sizeof(short));
mReader.Position = AlignmentHelper.Align(mReader.Position, 16);
segmentLength = ReadSegmentLength();
var bytes = mReader.ReadBytes(segmentLength);
mReader.Position = AlignmentHelper.Align(mReader.Position, 16);
var stringBuilder = new StringBuilder(bytes.Length);
var strings = new string[indices.Length];
for (int i = 0; i < strings.Length; i++)
{
int byteIndex = indices[i];
while (true)
{
if (bytes[byteIndex] == 0)
{
break;
}
if (bytes[byteIndex] >= 0x80)
{
stringBuilder.Append((char)(bytes[byteIndex++] | bytes[byteIndex] << 8));
}
else
{
stringBuilder.Append((char)bytes[byteIndex]);
}
byteIndex++;
}
strings[i] = stringBuilder.ToString();
stringBuilder.Clear();
}
memberInfo.SetValue(instance, strings);
}
private void DeserializeMember(object instance, MemberInfo memberInfo, TableMemberAttribute attribute, int segmentLength = -1)
{
var type = memberInfo.GetMemberType();
memberInfo.SetValue(instance, DeserializeType(type, attribute, segmentLength));
}
