public static long WriteMapHead(ref BssomWriter writer, int valueCount, int maxDepth)
{
DEBUG.Assert(valueCount != 0 && maxDepth != 0);
writer.FillUInt32FixNumber(); //len
writer.WriteVariableNumber(valueCount); //count
writer.WriteVariableNumber(maxDepth); //depth
long routeLenPos = writer.Position;
writer.FillUInt32FixNumber();//routelen
return(routeLenPos);
}
//Serialize IEnumerable<>
public static void SerializeGenericIEnumerable <TElement>(ref BssomWriter writer,
ref BssomSerializeContext context, IEnumerable <TElement> value)
{
if (value == null)
{
writer.WriteNull();
return;
}
IBssomFormatter <TElement> formatter = context.Option.FormatterResolver.GetFormatterWithVerify <TElement>();
writer.WriteArray2Type();
long pos = writer.FillUInt32FixNumber();
if (value.TryGetICollectionCount(out int count))
{
writer.WriteVariableNumber(count);
foreach (TElement item in value)
{
context.CancellationToken.ThrowIfCancellationRequested();
formatter.Serialize(ref writer, ref context, item);
}
writer.WriteBackFixNumber(pos, checked ((int)(writer.Position - pos - BssomBinaryPrimitives.FixUInt32NumberSize)));
}
else
{
count = 0;
long posCount = writer.FillUInt32FixNumber();
foreach (TElement item in value)
{
context.CancellationToken.ThrowIfCancellationRequested();
count++;
formatter.Serialize(ref writer, ref context, item);
}
long cPos = writer.Position;
writer.BufferWriter.Seek(pos);
writer.WriteBackFixNumber(checked ((int)(writer.Position - posCount)));
writer.WriteBackFixNumber(count);
writer.BufferWriter.Seek(cPos);
}
}
private unsafe int WriteKey(byte lastValueByteCount, byte keyType, bool keyIsNativeType, ulong keyBytes)
{
WriteKeyBytes(lastValueByteCount, keyBytes);
if (keyIsNativeType)
{
writer.WriteNativeType(keyType);
}
else
{
writer.WriteBuildInType(keyType);
}
int valueOffset = GetRelativePosition();
writer.FillUInt32FixNumber();
return(valueOffset);
}
//Serialize IList
public static void SerializeIList(ref BssomWriter writer, ref BssomSerializeContext context, IList value)
{
if (value == null)
{
writer.WriteNull();
return;
}
IBssomFormatter <object> formatter = context.Option.FormatterResolver.GetFormatterWithVerify <object>();
writer.WriteArray2Type();
long pos = writer.FillUInt32FixNumber();
writer.WriteVariableNumber(value.Count);
for (int i = 0; i < value.Count; i++)
{
context.CancellationToken.ThrowIfCancellationRequested();
formatter.Serialize(ref writer, ref context, value[i]);
}
writer.WriteBackFixNumber(pos, checked ((int)(writer.Position - pos - BssomBinaryPrimitives.FixUInt32NumberSize)));
}
//Serialize IList<> / IReadOnlyList<>
public static void SerializeGenerIList <TElement>(ref BssomWriter writer, ref BssomSerializeContext context,
IEnumerable <TElement> value)
{
if (value == null)
{
writer.WriteNull();
}
else
{
DEBUG.Assert(value is IList <TElement> || value is IReadOnlyList <TElement>);
IBssomFormatter <TElement> formatter = context.Option.FormatterResolver.GetFormatterWithVerify <TElement>();
writer.WriteArray2Type();
long pos = writer.FillUInt32FixNumber();
if (value is IList <TElement> list)
{
writer.WriteVariableNumber(list.Count);
for (int i = 0; i < list.Count; i++)
{
context.CancellationToken.ThrowIfCancellationRequested();
formatter.Serialize(ref writer, ref context, list[i]);
}
}
else
{
IReadOnlyList <TElement> rels = Unsafe.As <IEnumerable <TElement>, IReadOnlyList <TElement> >(ref value);
writer.WriteVariableNumber(rels.Count);
for (int i = 0; i < rels.Count; i++)
{
context.CancellationToken.ThrowIfCancellationRequested();
formatter.Serialize(ref writer, ref context, rels[i]);
}
}
writer.WriteBackFixNumber(pos, checked ((int)(writer.Position - pos - BssomBinaryPrimitives.FixUInt32NumberSize)));
}
}