/// <summary>
/// 写入一个未知类型的值。
/// </summary>
/// <param name="value">未知类型的值</param>
public void DirectWrite(object value)
{
valueCopyer.DirectWrite(value);
dataWriter.OnWriteValue(key, valueCopyer);
}
public bool Filter(ValueCopyer valueCopyer)
{
var basicType = valueCopyer.TypeCode;
if (typeof(TMode) == typeof(JsonSerializeModes.ReferenceMode))
{
if (basicType == TypeCode.Object && (Options & (JsonFormatterOptions.MultiReferencingNull | JsonFormatterOptions.LoopReferencingNull)) != 0 && valueCopyer.Value is IDataReader dataReader)
{
var reference = GetReference(dataReader);
if (reference != null && ((Options & JsonFormatterOptions.MultiReferencingNull) != 0 || IsLoopReferencing(reference)))
{
valueCopyer.DirectWrite(null);
basicType = TypeCode.Empty;
}
}
}
if ((Options & JsonFormatterOptions.IgnoreNull) != 0 && basicType == TypeCode.Empty)
{
return(false);
}
if ((Options & JsonFormatterOptions.IgnoreZero) != 0)
{
switch (basicType)
{
case TypeCode.SByte:
return(valueCopyer.ReadSByte() != 0);
case TypeCode.Int16:
return(valueCopyer.ReadInt16() != 0);
case TypeCode.Int32:
return(valueCopyer.ReadInt32() != 0);
case TypeCode.Int64:
return(valueCopyer.ReadInt64() != 0);
case TypeCode.Byte:
return(valueCopyer.ReadByte() != 0);
case TypeCode.UInt16:
return(valueCopyer.ReadUInt16() != 0);
case TypeCode.UInt32:
return(valueCopyer.ReadUInt32() != 0);
case TypeCode.UInt64:
return(valueCopyer.ReadUInt64() != 0);
case TypeCode.Single:
return(valueCopyer.ReadSingle() != 0);
case TypeCode.Double:
return(valueCopyer.ReadDouble() != 0);
case TypeCode.Decimal:
return(valueCopyer.ReadDecimal() != 0);
}
}
if ((Options & JsonFormatterOptions.IgnoreEmptyString) != 0 &&
basicType == TypeCode.String &&
valueCopyer.ReadString() == string.Empty)
{
return(false);
}
return(true);
}
private bool Filter(ValueCopyer valueCopyer)
{
var basicType = valueCopyer.GetBasicType();
if ((options & JsonFormatterOptions.MultiReferencingNull) != 0 && (basicType == BasicTypes.Array || basicType == BasicTypes.Object))
{
var dataReader = (IDataReader)valueCopyer.Value;
var objectId = GetObjectId(dataReader);
if (objectId != -1)
{
valueCopyer.DirectWrite(null);
basicType = BasicTypes.Null;
}
}
if ((options & JsonFormatterOptions.IgnoreNull) != 0)
{
if (basicType == BasicTypes.Null)
{
return(false);
}
}
if ((options & JsonFormatterOptions.IgnoreZero) != 0)
{
switch (valueCopyer.GetBasicType())
{
case BasicTypes.SByte:
return(valueCopyer.ReadSByte() != 0);
case BasicTypes.Int16:
return(valueCopyer.ReadInt16() != 0);
case BasicTypes.Int32:
return(valueCopyer.ReadInt32() != 0);
case BasicTypes.Int64:
return(valueCopyer.ReadInt64() != 0);
case BasicTypes.Byte:
return(valueCopyer.ReadByte() != 0);
case BasicTypes.UInt16:
return(valueCopyer.ReadUInt16() != 0);
case BasicTypes.UInt32:
return(valueCopyer.ReadUInt32() != 0);
case BasicTypes.UInt64:
return(valueCopyer.ReadUInt64() != 0);
case BasicTypes.Single:
return(valueCopyer.ReadSingle() != 0);
case BasicTypes.Double:
return(valueCopyer.ReadDouble() != 0);
case BasicTypes.Decimal:
return(valueCopyer.ReadDecimal() != 0);
}
}
if ((options & JsonFormatterOptions.IgnoreEmptyString) != 0)
{
switch (valueCopyer.GetBasicType())
{
case BasicTypes.String:
return(valueCopyer.ReadString() != "");
}
}
return(true);
}
public void Invoke <TElement>()
{
if (FastObjectRW <TElement> .IsFastObjectInterface)
{
var objectRW = FastObjectRW <TElement> .Create();
var map = stackalloc int[objectRW.Count];
Map = map;
for (int i = 0; i < DbDataReader.FieldCount; i++)
{
var index = objectRW.GetOrdinal(DbDataReader.GetName(i));
if (index >= 0)
{
map[index] = i + 1;
}
}
if (DataWriter.ContentType == typeof(TElement[]))
{
ref var appendingInfo = ref GenericAppendingInfo <TElement> .ArrayAppendingInfo;
var elements = new TElement[appendingInfo.MostClosestMeanCommonlyUsedLength];
int offset = 0;
while (DbDataReader.Read())
{
if (offset >= elements.Length)
{
Array.Resize(ref elements, offset * 2 + 1);
}
objectRW.Initialize();
objectRW.OnWriteAll(this);
elements[offset] = objectRW.content;
++offset;
}
if (elements.Length != offset)
{
Array.Resize(ref elements, offset);
}
appendingInfo.AddUsedLength(offset);
DataWriter.Content = elements;
Result = true;
}
else
{
ref var appendingInfo = ref GenericAppendingInfo <TElement> .OtherAppendingInfo;
var copyer = new ValueCopyer();
DataWriter.Initialize(appendingInfo.MostClosestMeanCommonlyUsedLength);
int offset = 0;
while (DbDataReader.Read())
{
objectRW.Initialize();
objectRW.OnWriteAll(this);
copyer.DirectWrite(objectRW.content);
DataWriter.OnWriteValue(offset, copyer);
++offset;
}
appendingInfo.AddUsedLength(offset);
Result = true;
}
private bool Filter(ValueCopyer valueCopyer)
{
var basicType = valueCopyer.TypeCode;
if ((options & (JsonFormatterOptions.MultiReferencingNull | JsonFormatterOptions.LoopReferencingException | JsonFormatterOptions.LoopReferencingNull)) != 0 &&
basicType == TypeCode.Object &&
valueCopyer.Value is IDataReader reader &&
ContainsOrSaveReference(reader))
{
valueCopyer.DirectWrite(null);
basicType = TypeCode.Empty;
}
if ((options & JsonFormatterOptions.IgnoreNull) != 0 &&
basicType == TypeCode.Empty)
{
return(false);
}
if ((options & JsonFormatterOptions.IgnoreZero) != 0)
{
switch (basicType)
{
case TypeCode.SByte:
return(valueCopyer.ReadSByte() != 0);
case TypeCode.Int16:
return(valueCopyer.ReadInt16() != 0);
case TypeCode.Int32:
return(valueCopyer.ReadInt32() != 0);
case TypeCode.Int64:
return(valueCopyer.ReadInt64() != 0);
case TypeCode.Byte:
return(valueCopyer.ReadByte() != 0);
case TypeCode.UInt16:
return(valueCopyer.ReadUInt16() != 0);
case TypeCode.UInt32:
return(valueCopyer.ReadUInt32() != 0);
case TypeCode.UInt64:
return(valueCopyer.ReadUInt64() != 0);
case TypeCode.Single:
return(valueCopyer.ReadSingle() != 0);
case TypeCode.Double:
return(valueCopyer.ReadDouble() != 0);
case TypeCode.Decimal:
return(valueCopyer.ReadDecimal() != 0);
}
}
if ((options & JsonFormatterOptions.IgnoreEmptyString) != 0 &&
basicType == TypeCode.String &&
valueCopyer.ReadString() == string.Empty)
{
return(false);
}
return(true);
}