From kwrite-devel  Sat May 31 10:53:11 2008
From: Dominik Haumann <dhdev () gmx ! de>
Date: Sat, 31 May 2008 10:53:11 +0000
To: kwrite-devel
Subject: Re: have compare in indenter api
Message-Id: <200805311253.13270.dhdev () gmx ! de>
X-MARC-Message: https://marc.info/?l=kwrite-devel&m=121223122022212

On Friday 30 May 2008, Paul Giannaros wrote:
> I think compare() is better implemented by switching over to
> cursor/ranges in the API and just implemented the == operator for them
> -- I'm fairly sure QtScript lets you do that. That would mean that you
> could just do if(cursor1 == cursor2).
> I'll look into that.

Yes, that would definitely be the best :)

> On Fri, May 30, 2008 at 2:07 PM, Dominik Haumann <dhdev@gmx.de> wrote:
> > Hi Robin & Leo,
> >
> > those helpers are exactly what's needed. I think we need dozens of them
> > :) Just commit it to svn.
> > Btw, is anyone working on switching the API to cursor/range style?
> > Instead of (example):
> >  document.anchor(line, column, char)
> >  document.anchor(cursor, char)
> >
> > Dominik
> >
> > On Tuesday 27 May 2008, Robin Pedersen wrote:
> >> Thanks! I have a feeling I'll end up having a number of helper
> >> functions to suggest, but so far I've not made any suggestions because
> >> I want to be more sure what I actually need.
> >>
> >> The comparison function would certainly be useful in itself. In
> >> addition, a helper function for the "lastAnchor" function that uses
> >> the comparison would also be great (maybe a better name could be
> >> found).
> >>
> >> The "lastAnchor" function is basically an extension of the "anchor"
> >> function currently available in KateScriptDocument. The "anchor"
> >> function provides an easy way to find opening braces, and works with
> >> either '[', '{' or '('. "lastAnchor" finds all, and returns the
> >> "last", i.e. the most recently opened.
> >>
> >>
> >> // Find the last open bracket before the current line.
> >> // Result is a KTextEditor::Cursor object, with an extra attribute,
> >> 'ch' // containing the type of bracket.
> >> function lastAnchor(line)
> >> {
> >>    var anch = document.anchor(line, 0, '(');
> >>    anch.ch = '(';
> >>    var tmp1 = document.anchor(line, 0, '{');
> >>    tmp1.ch = '{';
> >>    var tmp2 = document.anchor(line, 0, '[');
> >>    tmp2.ch = '[';
> >>
> >>    if (compare(tmp1, anch) == 1)
> >>      anch = tmp1;
> >>    if (compare(tmp2, anch) == 1)
> >>      anch = tmp2;
> >>
> >>    return anch;
> >> }
> >>
> >> On Tue, 27 May 2008 20:46:33 +0200, Leo Savernik <l.savernik@aon.at>
> >
> > wrote:
> >> > Am Montag, 26. Mai 2008 schrieb Robin Pedersen:
> >> >> +// Helper function to compare two KTextEditor::Cursor objects.
> >> >> +// Returns 0 if equal, 1 if ca > cb, -1 if ca < cb
> >> >> +function compare(ca, cb)
> >> >> +{
> >> >> +  if (ca.line == cb.line) {
> >> >> +    if (ca.column == cb.column)
> >> >> +      return 0;
> >> >> +    else
> >> >> +      return (ca.column > cb.column) ? 1 : -1;
> >> >> +  }
> >> >> +  return (ca.line > cb.line) ? 1 : -1;
> >> >> +}
> >> >
> >> > I'd like to suggest to provide a built-in compare function for
> >> > cursors in indenter scripts (called compare for simplicity). The
> >> > ruby indenter is the
> >> > first but certainly not the last one in need of such a primitive.
> >> >
> >> > mfg
> >> >     Leo
> >> > _______________________________________________
> >> > KWrite-Devel mailing list
> >> > KWrite-Devel@kde.org
> >> > https://mail.kde.org/mailman/listinfo/kwrite-devel
> >
> > _______________________________________________
> > KWrite-Devel mailing list
> > KWrite-Devel@kde.org
> > https://mail.kde.org/mailman/listinfo/kwrite-devel
>
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