Method SkipMap

csharp/src/Fory/FieldSkipper.cs:372–458

(ReadContext context, TypeMetaFieldType fieldType)

    }

    private static void SkipMap(ReadContext context, TypeMetaFieldType fieldType)
    {
        if (fieldType.Generics.Count != 2)
        {
            throw new InvalidDataException("map field metadata must have key/value types");
        }

        TypeMetaFieldType keyType = fieldType.Generics[0];
        TypeMetaFieldType valueType = fieldType.Generics[1];
        int totalLength = checked((int)context.Reader.ReadVarUInt32());
        int readCount = 0;
        while (readCount < totalLength)
        {
            byte header = context.Reader.ReadUInt8();
            bool trackKeyRef = (header & DictionaryBits.TrackingKeyRef) != 0;
            bool keyNull = (header & DictionaryBits.KeyNull) != 0;
            bool keyDeclared = (header & DictionaryBits.DeclaredKeyType) != 0;
            bool trackValueRef = (header & DictionaryBits.TrackingValueRef) != 0;
            bool valueNull = (header & DictionaryBits.ValueNull) != 0;
            bool valueDeclared = (header & DictionaryBits.DeclaredValueType) != 0;

            if (keyNull || valueNull)
            {
                if (!keyNull)
                {
                    TypeInfo? keyTypeInfo = null;
                    if (!keyDeclared)
                    {
                        keyTypeInfo = context.TypeResolver.ReadAnyTypeInfo(context);
                    }
                    else if (context.Compatible && HasInlineTypeInfo(keyType.TypeId))
                    {
                        keyTypeInfo = context.TypeResolver.ReadAnyTypeInfo(context);
                    }

                    SkipValue(context, keyType, trackKeyRef ? RefMode.Tracking : RefMode.None, keyTypeInfo);
                }

                if (!valueNull)
                {
                    TypeInfo? valueTypeInfo = null;
                    if (!valueDeclared)
                    {
                        valueTypeInfo = context.TypeResolver.ReadAnyTypeInfo(context);
                    }
                    else if (context.Compatible && HasInlineTypeInfo(valueType.TypeId))
                    {
                        valueTypeInfo = context.TypeResolver.ReadAnyTypeInfo(context);
                    }

                    SkipValue(context, valueType, trackValueRef ? RefMode.Tracking : RefMode.None, valueTypeInfo);
                }

                readCount++;
                continue;
            }

            int chunkSize = context.Reader.ReadUInt8();