Re: [Haskell-cafe] access programs own documentation

Except Nomyx is a pure executable[1] and thus won't have a ghc package db entry. [1]: http://hackage.haskell.org/package/Nomyx-0.4.1/Nomyx.cabal * adam vogt [2014-01-12 14:45:48-0500]

Hi Corentin,

One way is to call `ghc-pkg describe Nomyx-0.4.1` and look for the line starting with haddock-html. Or maybe look at how ghc-pkg does it https://github.com/ghc/ghc/blob/master/utils/ghc-pkg/Main.hs.

This can fail sometimes (though perhaps not for documentation), since you can have multiple packages with the same name and version installed, and I don't know how you can get the ABI hash of a dependency into a program.

Regards, Adam

On Sun, Jan 12, 2014 at 1:11 PM, Corentin Dupont wrote:

...

Hi guys, I'd like to access, from within my program, the program own haddock documentation. From the cabal autogen path file, I can access the location of the program's data file, binaries etc. (getBinDir, getLibDir, getDataDir) but not the location of the doc. How to do that? For example on my machine:

datadir = "/home/kau/.cabal/share/i386-linux-ghc-7.6.3/Nomyx-0.4.1"

The documentation is generated in "/home/kau/.cabal/share/doc/i386-linux-ghc-7.6.3/Nomyx-0.4.1", but it depends on the configuration.

Thanks, Corentin

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