public Enumerator(BssMapObjMarshalReader <TKey, TValue> bssReader)
{
bssmapReader = bssReader;
bssaStack = new BssmapAnalysisStack(bssmapReader.Paras.MapHead.MaxDepth);
count = bssmapReader.Paras.MapHead.ElementCount;
state = AutomateState.ReadBranch;
pos = 0;
Current = default;
}
public static unsafe string GetSchemaString(ref BssomReader reader)
{
long positionWithOutMap2TypeHead(ref BssomReader r)
{
return(r.Position - 1);
}
MapSchemaStringBuilder msb = new MapSchemaStringBuilder();
BssMapHead head = BssMapHead.Read(ref reader);
byte nextKeyByteCount = 0;
BssMapRouteToken t = default;
int count = head.ElementCount;
BssmapAnalysisStack stack = new BssmapAnalysisStack(head.MaxDepth);
AutomateState state = AutomateState.ReadBranch;
switch (state)
{
case AutomateState.ReadBranch:
{
t = reader.ReadMapToken();
msb.AppendRouteToken(positionWithOutMap2TypeHead(ref reader) - 1, t);
stack.PushToken(t);
if (t >= BssMapRouteToken.EqualNext1 && t <= BssMapRouteToken.EqualNext8 ||
t >= BssMapRouteToken.EqualLast1 && t <= BssMapRouteToken.EqualLast8)
{
if (t >= BssMapRouteToken.EqualNext1 && t <= BssMapRouteToken.EqualNext8)
{
long position = positionWithOutMap2TypeHead(ref reader);
reader.EnsureType(BssomBinaryPrimitives.FixUInt16);
msb.AppendNextOff(position, reader.ReadUInt16WithOutTypeHead());
}
nextKeyByteCount = BssMapRouteTokenHelper.GetEqualNextOrLastByteCount(t);
goto case AutomateState.ReadKey;
}
else if (t == BssMapRouteToken.EqualNextN || t == BssMapRouteToken.EqualLastN)
{
if (t == BssMapRouteToken.EqualNextN)
{
long position = positionWithOutMap2TypeHead(ref reader);
reader.EnsureType(BssomBinaryPrimitives.FixUInt16);
msb.AppendNextOff(position, reader.ReadUInt16WithOutTypeHead());
}
ulong uint64Val = reader.ReadUInt64WithOutTypeHead();
msb.AppendUInt64Val(positionWithOutMap2TypeHead(ref reader) - 8, uint64Val);
goto case AutomateState.ReadBranch;
}
else if (t >= BssMapRouteToken.LessThen1 && t <= BssMapRouteToken.LessThen8)
{
long position = positionWithOutMap2TypeHead(ref reader);
reader.EnsureType(BssomBinaryPrimitives.FixUInt16);
msb.AppendNextOff(position, reader.ReadUInt16WithOutTypeHead());
nextKeyByteCount = BssMapRouteTokenHelper.GetLessThenByteCount(t);
position = positionWithOutMap2TypeHead(ref reader);
if (nextKeyByteCount == 8)
{
msb.AppendUInt64Val(position, reader.ReadUInt64WithOutTypeHead());
}
else
{
msb.AppendUInt64Val(position, ref reader.BssomBuffer.ReadRef(nextKeyByteCount), nextKeyByteCount);
reader.BssomBuffer.SeekWithOutVerify(nextKeyByteCount, BssomSeekOrgin.Current);
}
goto case AutomateState.ReadBranch;
}
else if (t == BssMapRouteToken.LessElse)
{
goto case AutomateState.ReadBranch;
}
else
{
throw BssomSerializationOperationException.UnexpectedCodeRead((byte)t, reader.Position);
}
}
case AutomateState.ReadKey:
{
if (nextKeyByteCount == 8)
{
ulong uint64Val = reader.ReadUInt64WithOutTypeHead();
msb.AppendUInt64Val(positionWithOutMap2TypeHead(ref reader) - 8, uint64Val);
}
else
{
//Read Raw(lessthan 8 byte)
ref byte ref1 = ref reader.BssomBuffer.ReadRef(nextKeyByteCount);
msb.AppendUInt64Val(positionWithOutMap2TypeHead(ref reader) - nextKeyByteCount, ref ref1, nextKeyByteCount);
reader.BssomBuffer.SeekWithOutVerify(nextKeyByteCount, BssomSeekOrgin.Current);
}
long position = positionWithOutMap2TypeHead(ref reader);
byte keyType = reader.ReadBssomType();
if (keyType == BssomType.NativeCode)
{
msb.AppendKeyType(position, true, reader.ReadBssomType());
}
else
{
msb.AppendKeyType(position, false, keyType);
}
position = positionWithOutMap2TypeHead(ref reader);
reader.EnsureType(BssomBinaryPrimitives.FixUInt32);
msb.AppendValOffset(position, reader.ReadUInt32WithOutTypeHead());
count--;
goto case AutomateState.ReadChildren;
}