From: Richard Stallman <rms@gnu.org>
Cc: monnier@iro.umontreal.ca, emacs-devel@gnu.org
Subject: Re: request for review: Doing direct file I/O in Emacs Lisp
Date: Tue, 11 May 2004 08:22:55 -0400 [thread overview]
Message-ID: <E1BNWHf-00083w-1o@fencepost.gnu.org> (raw)
In-Reply-To: <uoeowcgzr.fsf@ID-87814.user.dfncis.de> (message from Oliver Scholz on Mon, 10 May 2004 19:46:32 +0200)
FWIW ? while working on an RTF reader I found it very annoying that I
have to insert the entire RTF file into a buffer, then tokenize it
character-wise, then delete that parts of the buffer that are
recognized as markup, applying text properties to the remaining text
as appropriate.
Being able to fetch characters from a stream, and deal with them
through several layers of abstraction, and then inserting the actual
text with properties into a buffer would be much nicer and cleaner.
I expect this would be much slower, because you'd need to have Lisp
code that handles characters one by one. Parsing them in the buffer
is much faster, when you can use one call to skip-chars-forward and
one call to buffer-substring to process a whole token at once, without
ever needing a Lisp-level loop to process the token's characters one
by one.
Also, character set detection works more reliably on the entire file.
next prev parent reply other threads:[~2004-05-11 12:22 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-05-10 5:59 request for review: Doing direct file I/O in Emacs Lisp John Wiegley
2004-05-10 6:52 ` Kim F. Storm
2004-05-10 8:27 ` David Kastrup
2004-05-10 14:21 ` Stefan Monnier
2004-05-10 15:59 ` David Kastrup
2004-05-10 16:36 ` Stefan Monnier
2004-05-10 17:00 ` David Kastrup
2004-05-10 17:22 ` Stefan Monnier
2004-05-11 9:23 ` John Wiegley
2004-05-11 10:22 ` David Kastrup
2004-05-10 9:38 ` Andreas Schwab
2004-05-10 11:29 ` Eli Zaretskii
2004-05-10 11:23 ` Andreas Schwab
2004-05-10 15:04 ` Eli Zaretskii
2004-05-10 14:19 ` Stefan Monnier
2004-05-10 17:46 ` Oliver Scholz
2004-05-10 18:21 ` Stefan Monnier
2004-05-10 22:40 ` Oliver Scholz
2004-05-11 12:22 ` Richard Stallman [this message]
2004-05-10 17:54 ` Richard Stallman
2004-05-11 9:20 ` John Wiegley
2004-05-12 19:41 ` Richard Stallman
2004-05-13 7:59 ` Kai Grossjohann
2004-05-14 9:21 ` Richard Stallman
2004-05-14 10:42 ` Kai Grossjohann
2004-05-15 8:53 ` Richard Stallman
2004-05-15 16:27 ` Kai Grossjohann
2004-05-16 13:20 ` Richard Stallman
2004-05-14 21:43 ` John Wiegley
2004-05-15 18:33 ` Richard Stallman
2004-05-15 21:36 ` John Wiegley
2004-05-15 22:13 ` David Kastrup
2004-05-16 6:41 ` Eli Zaretskii
2004-05-16 17:46 ` David Kastrup
2004-05-17 11:04 ` Richard Stallman
2004-05-13 22:50 ` John Wiegley
2004-05-14 21:02 ` Richard Stallman
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