Build cpp doc on readthedocs with sphinx

[hungpham2511]

TODOs:

• [ ] Create a simple example for the C++ API online.

[jmirabel]

This will take you a lot of effort for not so much. readthedocs does not provide Doxygen support and getting sphinx to generate your C++ documentation is not gonna be easy.

At the moment, getting the documentation is done by:

• cloning the repo (but if you are looking at the API, this is not a big problem) and
• running make doc (this means you have to run cmake).

Is this method a problem ?

[hungpham2511]

This is to serve both the Python and C++ API in the same place. https://toppra.readthedocs.io/en/latest/

I have done something similar before using sphinx via breath (https://breathe.readthedocs.io/en/latest/directives.html). As long as the readthedocs server can run 'doxygen', there should be no problem.

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[hungpham2511]

@jmirabel I am thinking that the doxygen docs build can be uploaded to the same place as the sphinx docs at https://hungpham2511.github.io/toppra/

What do you think?

[jmirabel]

It would be a nice indeed.

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