public void Raw64BytesISegmentTest()
{
var se = new Raw64BytesISegment(new byte[15]);
se.Len.Is(15);
se.Raw64Count.Is(2);
se.LastValueByteCount.Is(7);
}
public void Raw64BytesISegment_FunctionIsCorrectly(string val, ulong[] rawKeys)
{
Raw64BytesISegment rawSegment = BssMapStringKeyResolver.Insance.GetMap1KeySegment(val);
rawSegment.Length.Is(rawKeys.Length);
rawSegment.GetFirstElementReference(out bool isContiguousMemoryArea);
isContiguousMemoryArea.IsTrue();
for (int i = 0; i < rawKeys.Length; i++)
{
rawSegment[i].Is(rawKeys[i]);
}
}
public static BssomFieldOffsetInfo IndexOf(IBssomBuffer buffer, IIndexOfInputSource indexOfInputSource)
{
if (buffer is null)
{
throw new ArgumentNullException(nameof(buffer));
}
if (indexOfInputSource is null)
{
throw new ArgumentNullException(nameof(indexOfInputSource));
}
BssomReader reader = new BssomReader(buffer);
BssomFieldOffsetInfo info = new BssomFieldOffsetInfo();
indexOfInputSource.Reset();
if (!indexOfInputSource.MoveNext())
{
throw BssomSerializationOperationException.InputDataSouceIsEmpty();
}
Next:
byte bssOjectType = reader.SkipBlankCharacterAndReadBssomType();
switch (bssOjectType)
{
case BssomType.Map1:
{
object key = indexOfInputSource.CurrentMapKey();
if (!BssMapKeyResolverProvider.TryGetBssMapKeyResolver(key.GetType(), out IBssMapKeyResolver resolver))
{
throw BssomSerializationTypeFormatterException.BssomMapKeyUnsupportedType(key.GetType());
}
reader.SkipVariableNumber(); //Skip Length
int count = reader.ReadVariableNumber();
Raw64BytesISegment keyISegment = resolver.GetMap1KeySegment(key);
for (int i = 0; i < count; i++)
{
int keyLength = reader.GetMap1KeyLength();
if (keyISegment.DataLen != keyLength)
{
reader.BssomBuffer.Seek(keyLength, BssomSeekOrgin.Current); //Advance Key
reader.SkipObject(); //Skip Value
continue;
}
//determine if the key is equal
bool keyIsEqual = true;
for (int z = 0; z < keyISegment.Length; z++)
{
if (keyISegment[z] != reader.ReadRaw64(ref keyLength))
{
reader.BssomBuffer.Seek(keyLength, BssomSeekOrgin.Current); //Advance remaining keyLength
reader.SkipObject(); //Skip Value
keyIsEqual = false;
break;
}
}
if (keyIsEqual)
{
if (!indexOfInputSource.MoveNext())
{
info.Offset = reader.Position;
info.IsArray1Type = false;
return(info);
}
else
{
goto Next;
}
}
}
if (indexOfInputSource.MoveNext())
{
throw BssomSerializationOperationException.BssomMapIsNull(key);
}
info.Offset = -1;
return(info);
}
case BssomType.Map2:
{
object key = indexOfInputSource.CurrentMapKey();
if (!BssMapKeyResolverProvider.TryGetBssMapKeyResolver(key.GetType(), out IBssMapKeyResolver resolver))
{
throw BssomSerializationTypeFormatterException.BssomMapKeyUnsupportedType(key.GetType());
}
UInt64BytesISegment keyISegment = resolver.GetMap2KeySegment(key);
BssMapHeadPackInfo aprp = BssMapHeadPackInfo.Create(ref reader);
if (aprp.MapHead.ElementCount > 0)
{
ref byte refb = ref reader.BssomBuffer.TryReadFixedRef(aprp.MapHead.RouteLength, out bool haveEnoughSizeAndCanBeFixed);
if (haveEnoughSizeAndCanBeFixed)
{
if (BssMapObjMarshalReader.TrySeek(keyISegment, resolver.KeyType, resolver.KeyIsNativeType, ref aprp, ref reader, ref refb))
{
if (!indexOfInputSource.MoveNext())
{
info.Offset = reader.Position;
info.IsArray1Type = false;
return(info);
}
else
{
goto Next;
}
}
}
else
{
if (BssMapObjMarshalReader.TrySeekSlow(keyISegment, resolver.KeyType, resolver.KeyIsNativeType, ref aprp, ref reader))
{
if (!indexOfInputSource.MoveNext())
{
info.Offset = reader.Position;
info.IsArray1Type = false;
return(info);
}
else
{
goto Next;
}
}
}
}
if (indexOfInputSource.MoveNext())
{
throw BssomSerializationOperationException.BssomMapIsNull(key);
}
info.Offset = -1;
return(info);
}
