internal static DxfClass FromBuffer(DxfCodePairBufferReader buffer, DxfAcadVersion version)
{
var cls = new DxfClass();
// version R13 has varying values for the leading 0 code pair
var pair = buffer.Peek();
Debug.Assert(pair.Code == 0);
if (version <= DxfAcadVersion.R13)
{
cls.ClassDxfRecordName = pair.StringValue;
}
else
{
// swallow (0, CLASS)
Debug.Assert(pair.StringValue == ClassText);
}
buffer.Advance();
while (buffer.ItemsRemain)
{
pair = buffer.Peek();
if (pair.Code == 0)
{
break;
}
buffer.Advance();
switch (pair.Code)
{
case 1:
if (version <= DxfAcadVersion.R13)
{
cls.CppClassName = pair.StringValue;
}
else
{
cls.ClassDxfRecordName = pair.StringValue;
}
break;
case 2:
if (version <= DxfAcadVersion.R13)
{
cls.ApplicationName = pair.StringValue;
}
else
{
cls.CppClassName = pair.StringValue;
}
break;
case 3:
if (version >= DxfAcadVersion.R14)
{
cls.ApplicationName = pair.StringValue;
}
break;
case 90:
if (version <= DxfAcadVersion.R13)
{
cls.ClassVersionNumber = pair.IntegerValue;
}
else
{
cls.ProxyCapabilities = new DxfProxyCapabilities(pair.IntegerValue);
}
break;
case 91:
cls.InstanceCount = pair.IntegerValue;
break;
case 280:
cls.WasClassLoadedWithFile = !DxfCommonConverters.BoolShort(pair.ShortValue);
break;
case 281:
cls.IsEntity = DxfCommonConverters.BoolShort(pair.ShortValue);
break;
}
}
return(cls);
}
protected static short BoolShort(bool b)
{
return(DxfCommonConverters.BoolShort(b));
}
private static short BoolShort(bool?b)
{
return(DxfCommonConverters.BoolShort(b ?? false));
}
protected static bool BoolShort(short s)
{
return(DxfCommonConverters.BoolShort(s));
}
private static bool BoolShort(short?s)
{
return(DxfCommonConverters.BoolShort(s ?? 0));
}
