Replace CMarkup with TinyXML2

[tomspilman]

Torsion used an XML parser/writer library called CMarkup which is not open source:

http://www.firstobject.com/dn_markstlplat.htm

I've omitted that from this code base and we need to replace it with something equivalently simple, easy to use, and open source.

I suggest we use TinyXML2:

https://github.com/leethomason/tinyxml2

This fix is critical to getting Torsion running again.

[tomspilman]

Another option now that I think of it is contacting the developers of CMarkup and seeing if they would allow us to use it as part of this open source project.

Could be they go for that and i can add the original code back in.

I will try reaching out to them tomorrow and report back.

[dottools]

Doesn't hurt to ask. I haven't used CMarkup before so I don't know what advantages it has over TinyXML or TinyXML2.

[tomspilman]

Back when I wrote it CMarkup was the best XML library out there. No clue now.

[Azaezel]

Fars it goes, the t3d side's already bundling https://github.com/GarageGames/Torque3D/tree/development/Engine/lib/tinyxml so yeah, a switch over would cut down on the dependency hunting...

[tomspilman]

Well we still want to maintain our own dependencies in this repo separate from T3D/2D, but there might be some benefit to having XML parser compatibility with the engines.

But really if the CMarkup guys let us use their product here i'd rather do that because it works fine without any code changes to Torsion. So less chance of bugs to start with.

[Azaezel]

Fair enough. Do look forward to seeing where this goes at any rate.

[dchau28]

Any update on this? What version of CMarkup is being used by Torsion?

[tomspilman]

Any update on this?

No update... I personally don't have time to go integrate TinyXML2.

What version of CMarkup is being used by Torsion?

It was a really old version... 7.1. It was very robust when I used it originally and I doubt anything would be broken by using the newest release. The only issue with it is that it isn't open source.