[liblouis-liblouisxml] Compressing whitespace: was: Re: Re: Calculation of cursorPos
- From: "John J. Boyer" <john.boyer@xxxxxxxxxxxxxxxxx>
- To: liblouis-liblouisxml@xxxxxxxxxxxxx
- Date: Tue, 29 Jan 2013 15:03:34 -0600
This is an altogether different subject. liblouis does not automatically
remove spaces. However most tables contain the lines
repeated \s 0
pass2 $s1-10 @0
This is desirable when handling text.
John
On Tue, Jan 29, 2013 at 06:00:41PM +0000, Ken Perry wrote:
>
> My opinion and this only comes after working with Liblouis on Braille plus
> 18. Is that when you translate to braille the spaces should not just be
> removed. That should be done with a separate function or let the coder deal
> with it on their own. The compressing of the spaces seems to cause a lot of
> bugs and confusion. It also Doesn't allow us to easily support already laid
> out text for example a simple financial table from an email. So I would
> rather the translation just translate. Then as mentioned leave the cursor
> pointing where it should. Then maybe a function called
> removeSpaces(buffer,cursorPos); This way it would be much clearer what
> exactly was going on.
>
> ken
>
> -----Original Message-----
> From: liblouis-liblouisxml-bounce@xxxxxxxxxxxxx
> [mailto:liblouis-liblouisxml-bounce@xxxxxxxxxxxxx] On Behalf Of John J. Boyer
> Sent: Tuesday, January 29, 2013 12:17 PM
> To: liblouis-liblouisxml@xxxxxxxxxxxxx
> Subject: [liblouis-liblouisxml] Re: Calculation of cursorPos
>
> It's an interesting idea. However, it would require that space should
> always be provided for the outputPos array. A possible solution would be
> to use this technique if outputPos is not NULL, but if it is fall back
> on the existing code.
>
> John
>
> On Tue, Jan 29, 2013 at 04:16:34PM +0100, Bert Frees wrote:
> > Hi Jamie,
> >
> > AFAICS your reasoning is correct. But I may be overlooking something too.
> >
> > Bert
> >
> >
> > On 01/29/2013 04:06 PM, James Teh wrote:
> > > outputPos maps input positions to output positions. At the beginning
> > > of the call, cursorPos is the cursor position in the input. Therefore,
> > > unless I'm missing something, the output cursorPos should just be
> > > outputPos[cursorPos]. Is there a reason this isn't the case? This
> > > would simplify the code a great deal and thereby eliminate existing bugs.
> > >
> > > Jamie
> > >
> > > On 30/01/2013 1:03 AM, John J. Boyer wrote:
> > >> I don't understand this question. outputPos is an array. cursorPos is a
> > >> single value. What would be the ideal value of cursorPos? There may be
> > >> differing opinions on this.
> > >>
> > >> John
> > >>
> > >> On Tue, Jan 29, 2013 at 05:53:28PM +1000, James Teh wrote:
> > >>> Hi all, especially John,
> > >>>
> > >>> Currently, there are still some bugs in the calculation of the output
> > >>> cursor position in lou_translate. I can detail these in a separate
> > >>> email
> > >>> if necessary. However, I'm wondering whether it is simpler to just set
> > >>> cursorPos based on outputPos just before returning the translation,
> > >>> rather than having separate code for it. Is there any reason cursorPos
> > >>> is currently determined separately from outputPos? To put it another
> > >>> way, is there any reason that cursorPos should ever be different to
> > >>> outputPos[inputCursorPos], where inputCursorPos is the value of
> > >>> cursorPos when the function was called?
> > >>>
> > >>> Thanks,
> > >>> Jamie
> > >>>
> > >>> --
> > >>> James Teh
> > >>> Director, NV Access Limited
> > >>> Email: jamie@xxxxxxxxxxxx
> > >>> Web site: http://www.nvaccess.org/
> > >>> Phone: +61 7 5667 8372
> > >>> For a description of the software, to download it and links to
> > >>> project pages go to http://www.abilitiessoft.com
> > >>
> > >
> >
> > For a description of the software, to download it and links to
> > project pages go to http://www.abilitiessoft.com
>
> --
> John J. Boyer; President, Chief Software Developer
> Abilitiessoft, Inc.
> http://www.abilitiessoft.com
> Madison, Wisconsin USA
> Developing software for people with disabilities
>
> For a description of the software, to download it and links to
> project pages go to http://www.abilitiessoft.com
> For a description of the software, to download it and links to
> project pages go to http://www.abilitiessoft.com
--
John J. Boyer; President, Chief Software Developer
Abilitiessoft, Inc.
http://www.abilitiessoft.com
Madison, Wisconsin USA
Developing software for people with disabilities
For a description of the software, to download it and links to
project pages go to http://www.abilitiessoft.com
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