[liblouis-liblouisxml] Re: Hyphenation, I think I have got it, but may have found more bugs
- From: "John J. Boyer" <johnjboyer@xxxxxxxxxxxxx>
- To: liblouis-liblouisxml@xxxxxxxxxxxxx
- Date: Tue, 9 Jun 2009 06:31:59 -0500
Michael,
Again, thanks for finding the bugs! I am working on the lou_checkhyphens
tool, so I'll soon be able tr track them down.
John
On Tue, Jun 09, 2009 at 11:54:55AM +0100, Michael Whapples wrote:
> Hello,
> After looking at the liblouisxml code a bit more and a bit of thinking I
> believe I now have worked out the hyphenation problems I was having, it
> seems to work both for mode=0 and mode=1 now. When I say working, it
> gives what seems sensible although possibly at times I might personally
> add another potential hyphenation point if I were doing it manually. My
> work containing this working code has been committed to mercurial on
> http://bitbucket.org/mwhapples/jlouis should anyone wish to look at it.
>
> Unfortunately I think I have found a few more bugs (I suppose this is
> what comes of trying to create full bindings for a library).
>
> The first is that when I use mode=1 sometimes my application (Test.java)
> was crashing with a load of glib errors and messages I didn't
> understand. The other time I had come across these sorts of errors was
> when I passed the wrong size arrays to liblouis in some of the other
> function calls. So I guessed that may be it was something to do with the
> difference in size of the translated text I passed in and the back
> translated text lou_hyphenate would create to perform the hyphenation,
> and sure enough when I set the array size of hyphens to twice the size
> of inlen, all these errors have gone away. The docs say that hyphens
> should be of size inlen.
>
> Secondly I previously reported getting values other than '0' and '1' in
> hyphens, I believe these may be occurring around contractions and only
> seems to happen for mode=1. Could this be due to the values in each byte
> for the back translated hyphens being combined (eg. added together) when
> translation is done back for the calling app? If this is the case may be
> that's why sometimes I would personally find one more potential
> hyphenation point than liblouis.
>
> Michael Whapples
> For a description of the software and to download it go to
> http://www.jjb-software.com
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