Doxygen Integration

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Doxygen Integration#

2025-05-07

3 min read time

What#

doxysphinx is a package that handles integration of Doxygen and Sphinx documentation.

doxysphinx allows displaying Doxygen documentation in the Sphinx documentation.

rocm-docs-core applies some additional formatting and styling on top of this to stay in line with our themes.

Since doxysphinx automatically integrates the Doxygen documentation, developers only have to update the documentation strings in the source code if they are formatted for Doxygen.

For more information on doxysphinx, see the GitHub repository or the doxysphinx documentation.

How#

Some examples of how to use doxysphinx with rocm-docs-core are included below.

Assuming Doxygen documentation is already configured correctly, several changes must be made to the configuration file (conf.py) located in the docs folder and the requirements files (requirements.in and requirements.txt) located in the sphinx folder.

For the configuration file:

  • Include the rocm_docs.doxygen extension in the extensions list.

  • Include the path to the Doxygen configuration in doxygen_root. For ROCm projects, this value is usually doxygen.

  • Set doxysphinx_enabled to True.

  • Define a doxygen_project dictionary and set a name and path. For ROCm projects, the value of path is usually doxygen/xml.

For the requirements files:

  • Specify the api_reference in the requirements.in (example: rocm-docs-core[api_reference]==0.36.0)

  • Use pip-tools to compile the requirements.in

    • pip install pip-tools

    • pip-compile requirements.in --resolver=backtracking

Then add the Doxygen output to the table of contents (_toc.yml.in).

Optionally, specify custom style sheets to use in the Doxygen configuration (Doxyfile). These style sheets are a part of rocm-docs-core.

  • HTML_HEADER

  • HTML_FOOTER

  • HTML_STYLESHEET

  • HTML_EXTRA_STYLESHEET

When building the documentation with the API reference enabled, the console output will also make configuration recommendations to make documentation builds succeed. If documentation builds are still failing, please follow the recommendations.

This project has Demo Doxygen Docs here. See the source code for details.

The tests folder in the rocm-docs-core project on GitHub also has example configuration files.

See this PR for a simple example of adding a Doxygen code snippet.

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