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Switch from TinyXML to TinyXML2 #99
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The library TinyXML is considered to be unmaintained and since all future development is focused on TinyXML2 this patch updates urdfdom to use TinyXML2. Signed-off-by: Dmitry Rozhkov <dmitry.rozhkov@linux.intel.com>
The version of TinyXML2 in Ubuntu 14.04-LTS used by TravisCI is from 2012. That's too old. |
Looks like we need to change the CI approach to using Docker containers. @dirk-thomas et. al. have a method using bloom we could likely use. |
@dirk-thomas would these apply to improving this repo's CI? |
Sorry, I don't understand the question. Can you please clarify what you are asking. |
I was asking you to verify that the wiki tutorial I linked to would be the best approach to applying better CI to this repo. The current CI approach is using too old a version of Ubuntu, so we need a Docker container approach. |
This repo doesn't contain a ROS package. It doesn't have a ROS manifest and isn't released into a ROS distro. Therefore |
Alternatively, we could consider installing tinyxml2 from source on Travis CI: rojkov#1 |
Thanks for merging rojkov#1. It seems the build error can be resolved once ros/urdfdom_headers#39 is merged. |
@scpeters Could you retrigger the Travis CI tests? I believe this build error is resolved by ros/urdfdom_headers#39. 🎉 |
@jslee02 started build number 54 |
Thanks for fixing the CI build. This changes the API since there are tinyxml symbols in A question for a subsequent pull request, if we are bumping the major version anyway, is it possible to remove the tinyxml2 symbols from the header file entirely? The answer may be negative, but I just wanted to check while we are making big changes to API. |
What is the status of this PR? I don't have a particularly strong opinion on |
I ended up doing a somewhat detailed evaluation of the situation in ros/urdf#4 (comment) . The short of it is that I think it would be too painful to the whole ecosystem to just remove the tinyxml APIs. Thus, in urdf, we ended up closing ros/urdf#4 and instead merging ros/urdf#9, which adds the tinyxml2 APIs and puts a deprecation warning on the tinyxml APIs. I'd suggest that we do the same thing here, for the same reasons. |
As pointed out in ros/urdf#24, the ecosystem actually doesn't use the public TinXML API (heavily). The only publicly exported TinyXML-related API here are |
I am trying to get a feeling on the very rough timeline for the migration to TinyXML2 for urdfdom. Are we talking an order of a few months? I saw that Debian 10 "buster" was released in July 2019 and that the Ubuntu 19.10 feature freeze was on August 22 2019 in https://wiki.ubuntu.com/EoanErmine/ReleaseSchedule so I imagine the releases after these ones (e.g. Ubuntu 20.04) will be targeted instead. Context : I am looking at packaging urdfdom in conda-forge (see #130 for more details), conda-forge has tinyxml2 but not tinyxml and I would avoid packaging tinyxml if possible, since it is a deprecated project. |
Is this still actively considered? Urdfdom is there last holdout using tinyxml in Homebrew so this PR would help us a lot. |
I believe it's not. There's code conflict now and I haven't been touching ROS for quite some time. It'd be better to close this PR and to resubmit by someone else. |
Closing in favor of #178 |
The library TinyXML is considered to be unmaintained and
since all future development is focused on TinyXML2 this
patch updates urdfdom to use TinyXML2.
depends on ros/urdfdom_headers#35