internal void WritePrimitiveValue(string symbolPath, object value, Type managedType, AdsDatatypeId dataType, int byteSize, AdsBinaryWriter writer, int writerOffset)
{
if (string.IsNullOrEmpty(symbolPath))
{
throw new ArgumentNullException("symbolPath");
}
if (managedType == null)
{
throw new ArgumentNullException("managedType");
}
if (byteSize < 0)
{
throw new ArgumentOutOfRangeException("byteSize");
}
if (writer == null)
{
throw new ArgumentNullException("writer");
}
if (writerOffset < 0)
{
throw new ArgumentOutOfRangeException("writerOffset");
}
Type type = value.GetType();
bool flag2 = PrimitiveTypeConverter.IsPlcOpenType(value.GetType());
if (PrimitiveTypeConverter.IsPlcOpenType(managedType))
{
Type tp = null;
if (PrimitiveTypeConverter.TryGetManagedType(dataType, out tp))
{
managedType = tp;
}
else if (managedType == typeof(LTIME))
{
managedType = typeof(ulong);
dataType = AdsDatatypeId.ADST_UINT64;
}
}
if (managedType != type)
{
try
{
object obj1 = PrimitiveTypeConverter.Convert(value, managedType);
value = obj1;
}
catch (MarshalException exception)
{
throw new ArgumentException($"Cannot convert value type '{value.GetType()}' to symbol type '{managedType}'!", "value", exception);
}
}
writer.BaseStream.Position = writerOffset;
switch (dataType)
{
case AdsDatatypeId.ADST_INT16:
writer.Write((short)value);
return;
case AdsDatatypeId.ADST_INT32:
writer.Write((int)value);
return;
case AdsDatatypeId.ADST_REAL32:
writer.Write((float)value);
return;
case AdsDatatypeId.ADST_REAL64:
writer.Write((double)value);
return;
}
switch (dataType)
{
case AdsDatatypeId.ADST_INT8:
writer.Write((sbyte)value);
return;
case AdsDatatypeId.ADST_UINT8:
writer.Write((byte)value);
return;
case AdsDatatypeId.ADST_UINT16:
writer.Write((ushort)value);
return;
case AdsDatatypeId.ADST_UINT32:
writer.Write((uint)value);
return;
case AdsDatatypeId.ADST_INT64:
writer.Write((long)value);
return;
case AdsDatatypeId.ADST_UINT64:
writer.Write((ulong)value);
return;
}
switch (dataType)
{
case AdsDatatypeId.ADST_STRING:
{
int byteCount = Encoding.Default.GetByteCount("a");
long position = writer.BaseStream.Position;
int length = ((string)value).Length;
if (((length + 1) * byteCount) > byteSize)
{
throw AdsErrorException.Create(AdsErrorCode.DeviceInvalidSize);
}
writer.WritePlcAnsiString((string)value, length);
writer.BaseStream.Position = position + byteSize;
return;
}
case AdsDatatypeId.ADST_WSTRING:
{
int byteCount = Encoding.Unicode.GetByteCount("a");
long position = writer.BaseStream.Position;
int length = ((string)value).Length;
if (((length + 1) * byteCount) > byteSize)
{
throw AdsErrorException.Create(AdsErrorCode.DeviceInvalidSize);
}
writer.WritePlcUnicodeString((string)value, length);
writer.BaseStream.Position = position + byteSize;
return;
}
case AdsDatatypeId.ADST_BIT:
if ((bool)value)
{
writer.Write((byte)1);
return;
}
writer.Write((byte)0);
return;
}
throw new ArgumentException("Unexpected datatype. Cannot convert datatype of symbol to this type.", "type");
}