[liblouis-liblouisxml] Re: Use of the lou_hyphenate function
- From: "John J. Boyer" <johnjboyer@xxxxxxxxxxxxx>
- To: liblouis-liblouisxml@xxxxxxxxxxxxx
- Date: Sat, 6 Jun 2009 22:36:18 -0500
Your inferences from the liblouisxml code are correct. You definitely
must have a hyphenation table. It is placed after the translation table
name, separated by a comma. For example, en-us-g2.ctb,hyph_en_US.dic
The en-GB-g2.ctb table should work with this hyphenation table as well.
John
On Sat, Jun 06, 2009 at 11:28:07PM +0100, Michael Whapples wrote:
> Not being a C person I haven't given the source code of liblouisxml
> great attention. However I did have a quick look at the very specific
> part of the code you pointed to and this is what I gathered:
>
> * liblouisxml seems to split the text into words before passing it to
> the lou_hyphenate function.
> * Liblouisxml deals with some of the hyphenation itself (eg. if a hyphen
> is already in the word).
> * the rest which I could gather was already known from the liblouis
> documentation.
>
> So going with the first point of single words I tried passing in just
> one word, but still get lou_hyphenate returning 0. I don't seem to get
> any log messages produced from liblouis.
>
> Do you have a minimal example for using lou_hyphenate which I could
> examine? Ideallyh one where it is easy to see what the parameters are
> which are being passed into lou_hyphenate.
>
> Is there anyway I can get details of why liblouis is returning 0?
>
> I still wonder about the table I am using, should en-us-g2.ctb work? I
> was unable to gather this from looking at the liblouisxml source.
>
> Michael Whapples
> On 06/06/09 17:06, John J. Boyer wrote:
> >The lou_hyphenate function is tricky, as is hyphenation in general. For
> >an example of its use look at the hyphenate function in the liblouisxml
> >module transcriber.c.
> >
> >John
> >
> >On Sat, Jun 06, 2009 at 04:26:43PM +0100, Michael Whapples wrote:
> >
> >>Hello,
> >>I have tried to add support for the lou_hyphenate function into my java
> >>bindings, but I seem to only get the value 0 returned (IE. its failing
> >>to complete). Unfortunately I don't know why it fails to complete. I am
> >>using the en-us-g2.ctb translation table as I understand that the
> >>en-GB-g2.ctb table isn't so well developed. I also tried passing in the
> >>following string for translation table to see if specifying a
> >>hyphenation dictionary would help "en-us-g2.ctb,hyph_en_US.dic" but
> >>still no success.
> >>
> >>I guess first thing to check is if I am using a suitable table. If not
> >>what would be a correct value for trantab?
> >>
> >>Also for those java developers what would be your preferred return type,
> >>I plan to have it return a byte array with values as given by
> >>lou_hyphenate in the hyphens parameter. An alternative I can think of is
> >>to return a int array with each value being the index of a 1 value in
> >>the hyphens parameter of lou_hyphenate (IE. by iterating over the return
> >>value you would get each index of the beginning of a syllable, which
> >>could be used on the string you passed into the method).
> >>
> >>Michael Whapples
> >>For a description of the software and to download it go to
> >>http://www.jjb-software.com
> >>
> >
>
> For a description of the software and to download it go to
> http://www.jjb-software.com
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