internal readonly FileTools.BinaryWriter2 binaryWriter; // the one of the Formatter when multiplexed.
internal ChannelInfos(
SerializationFormatter Formatter,
Stream stream,
#if DEBUG
string NameForDebugging,
#endif
ChannelNumber ChannelNumber
)
{
this.stream = stream;
#if DEBUG
this.NameForDebugging = NameForDebugging;
#endif
this.ChannelNumber = ChannelNumber;
this.streamWriterForText =
Formatter.IsStringFormatter ?
(Formatter.parameters.TheStreamingMode == StreamingModes.SetOfStreams ?
new StreamWriter(stream)
: Formatter.streamWriter)
: null;
this.binaryWriter =
!Formatter.IsStringFormatter ?
(Formatter.parameters.TheStreamingMode == StreamingModes.SetOfStreams ?
new FileTools.BinaryWriter2(stream, Encoding.UTF8)
: Formatter.binaryWriter)
: null;
}
internal override bool ChannelEnterElementAndWriteValue(
ref ChannelInfos channelInfos, Element element
, out bool TheElementHaveAttributes
, TypeCode TypeIndex
, object Value,
bool IsStructure)
{
var et = element.ElementType;
if (et == ElementTypes.PrimitiveValue && !element.typeIndexIsKnown && TypeIndex != TypeCode.String) // No tag for the value primitive types (if not included in an object field or property).
{
SerializationFormatter.WriteValueToBinaryWriter(base.binaryWriter, Value, parameters.CompressIntsAs7Bits, TypeIndex);
TheElementHaveAttributes = false; // useless for this formatter.
return(false);
}
if (et == ElementTypes.SubBranch && IsStructure && !element.typeIndexIsKnown && element.NumberOfElements == null) // No tag for structure types (if not included in an object field or property).
{
TheElementHaveAttributes = false; // useless for this formatter.
return(true);
}
FileTools.BinaryWriter2 bw = base.binaryWriter;
// 1) Element code : byte
{
byte elementCode = unchecked ((byte)et);
if (element.typeIndexIsKnown)
{
elementCode |= (byte)BinaryAttributeCode.HasATypeNumber;
}
if (element.NumberOfElements != null)
{
elementCode |= (byte)BinaryAttributeCode.HasANumberOfElements;
}
bw.Write(elementCode);
}
// 2) typeNumber : 7 bit-compressed int
// Type is written immediately after the tag, if a type attribute is required exists.
if (element.typeIndexIsKnown)
{
bw.Write7BitEncodedInt(element.typeIndex);
}
// 3) Reference InstanceIndex : 7 bit-compressed int
if (et == ElementTypes.Reference)
{
bw.Write7BitEncodedInt(element.InstanceIndex.Value);
}
// 4) NumberOfElements : 7 bit-compressed long
if (et == ElementTypes.SubBranch)
{
if (element.NumberOfElements != null)
{
bw.Write7BitEncodedLong(element.NumberOfElements.Value);
}
}
#if DEBUG
else
if (element.NumberOfElements != null)
{
Debugger.Break();
}
#endif
bool alreadyClosed = element.ElementType != ElementTypes.PrimitiveValue;
if (!alreadyClosed)
{
#if DEBUG
if (Value == null)
{
throw new Exception();
}
#endif
SerializationFormatter.WriteValueToBinaryWriter(bw, Value, parameters.CompressIntsAs7Bits, TypeIndex);
}
TheElementHaveAttributes = false; // useless for this formatter.
return(alreadyClosed);
}
