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Only try to install packages if they're not installed.
Saves a trip through sudo which is useful when you have a
non-privileged account generating the docs.
Change-Id: I3709aceb15516a45ea2f9510d91c6d2e42c8c349
Signed-off-by: Chris Luke <chrisy@flirble.org>
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Fixes various Doxygen warnings and other structural defects.
Note: This does not attempt to improve the content of the
documentation; only to improve the syntax and structure of it
and in some cases the consistency.
Change-Id: Ib1915f33edbdbc4558c85565de80dce323193906
Signed-off-by: Chris Luke <chrisy@flirble.org>
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Make the struct parser slighty slightly more accomodating of
whitespace in places it has no business being.
Also add missing OS_ID thing to Doxygen makefile.
Change-Id: Id3d198fd926f7a6c2ed40bc2d08907aad5d5ac33
Signed-off-by: Chris Luke <chrisy@flirble.org>
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As a step before Doxygen, extract CLI-related struct initializers
from the code and parse that into a summary of the CLI commands
available with the provided help text, such as it is. At the moment
this only renders this into an indexed Markdown file that Doxygen
then picks up but later we can use this information to enrich the
existing VLIB_CLI_COMMAND macro documentor as well as provide
runtime documentation to VPP that is stored on disk outside the
binary image.
Additionally support a comment block immediately prior to
VLIB_CLI_COMMAND CLI command definitions in the form /*? ... ?*/
that can be used to include long-form documentation without having
it compiled into VPP.
Examples of documenting CLI commands can be found in
vlib/vlib/unix/cli.c which, whilst not perfect, should provide a
starting point. Screen captures of sample output can be seen at
https://chrisy.flirble.org/vpp/doxy-cli-example.png and
https://chrisy.flirble.org/vpp/doxy-cli-index.png .
Next, shift the Doxygen root makefile targets to their own Makefile.
The primary reason for this is that the siphon targets do dependency
tracking which means it needs to generate those dependencies whenever
make is run; that is pointless if we're not going to generate any
documentation. This includes the package dependencies since they since
they sometimes unnecessarily interfere with the code build in some cases
at the moment; later we will look to building a Python venv to host the
Python modules we use.
One final remark: In future we may consider deprecating .long_help
in the VLIB_CLI_COMMAND structure entirely but add perhaps .usage_help.
.short_help would be reserved for a summary of the command function
and .usage_help provide the syntax of that command. These changes would
provide great semantic value to the automaticly generated CLI
documentation. I could also see having .long_help replaced by a
mechanism that reads it from disk at runtime with a rudimentary
Markdown/Doxygen filter so that we can use the same text that is used in
the published documentation.
Change-Id: I80d6fe349b47dce649fa77d21ffec0ddb45c7bbf
Signed-off-by: Chris Luke <chrisy@flirble.org>
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Chris Luke