On Wednesday 12 January 2005 01:01, Nadim Shaikli wrote: > In passing, Gregg has also brought the subject of ignoring some > characters while diff'ing and to that end I suggested we go straight > to 'diff' utility developers (instead of adding this feature to the > overlaying GUI). I then posted this email, > > http://lists.gnu.org/archive/html/help-gnu-utils/2004-12/msg00035.html > That's one reason, why you want to use KDiff3. Look at http://kdiff3.sourceforge.net/doc/preprocessors.html and also read about how KDiff3 treats whitespace. BTW KDiff3 highlights the differences within a line (character by character.)
> > Gregg already gave me much information on how the shaping works, but > > perhaps you can also help. The main difference between vim and KDiff3 is > > that within KDiff3 the internal data is in Unicode-16, whereas in vim it > > is in UTF-8. > > I don't think VIM is the best example to follow - but it's out there :-) > I'm not sure why you are using UTF-16 and what advantage you are getting > out of it (there are all sorts of endian issues involved among others). The internal presentation is actually QString. So Qt handles the endian-problem. Because KDiff3 highlights the differences on a character-by-character basis I thought that the handling could be similar to what vim does. > Here are some links that talk about this topic in more detail that might > help, > > http://www.unicode.org/faq/utf_bom.html > http://czyborra.com/utf/ > http://www.cl.cam.ac.uk/~mgk25/unicode.html > > > So I can't directly use the arabic_shape-function from vim, which is > > difficult for me to use anyway. What I need is a function that takes > > and gets a Unicode-16-string as input and output. And if the output > > string has more or less characters than the input, then I would also > > need an array that tells which character-indices from either string > > correspond to the other string. > > > > Could you please provide that or help me on how to get there? > > We can try (I've never used or looked into UTF-16 in any great detail) - > I'm sure there are those that have tackled similar problems that will > chime-in. > > PS: you might want to subscribe to the developer list. > > http://www.arabeyes.org/mailinglists.php > > Regards, > > - Nadim Done. Cheers, Joachim
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