[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: case-insensitive string<
From: |
Ted Zlatanov |
Subject: |
Re: case-insensitive string< |
Date: |
Mon, 20 Apr 2009 13:37:37 -0500 |
User-agent: |
Gnus/5.110011 (No Gnus v0.11) Emacs/23.0.92 (gnu/linux) |
On Fri, 17 Apr 2009 23:13:54 +0200 Nikolaj Schumacher <me@nschum.de> wrote:
NS> Ted Zlatanov <tzz@lifelogs.com> wrote:
>> Perhaps you can use `sort' with a predicate that uses `compare-strings'?
>> The latter function has a ignore-case parameter, and is implemented in C
>> so should be quite fast.
NS> Thanks. `company-strings' is indeed fast. Unfortunately the return
s/company/compare/
NS> value is odd. It returns a positiv/negative number if different, but t
NS> (instead of 0) when they are equal. That means some work to turn it
NS> into a compatible predicate...
NS> (byte-compile
NS> (lambda (a b)
NS> (let ((v (compare-strings a nil nil b nil nil t)))
NS> (or (eq v t) (< v 0)))))
NS> All this fuss eventually makes it slower... :(
Modifying the C source code is pretty easy, but I would actually submit
this as a feature request on emacs-devel if you're interested. The
right way to solve it may be to add a case-fold-compare global variable
similar to case-fold-search, with the same automatic buffer-local
behavior.
Ted