From: filebat Mark <filebat.mark@gmail.com>
To: gebser@mousecar.com
Cc: GNU Emacs List <help-gnu-emacs@gnu.org>
Subject: Re: Retrieve a web page into buffer and insert some text into it.
Date: Sat, 31 Jul 2010 00:32:16 +0800 [thread overview]
Message-ID: <AANLkTi=_36aLxO4sAMC6Je0H+x_5EBvSBC9nV-==LrAm@mail.gmail.com> (raw)
In-Reply-To: <4C52B62E.9060405@mousecar.com>
[-- Attachment #1: Type: text/plain, Size: 4640 bytes --]
(setq case-fold-search t), then re-search-forward is case insensitive.
To leverage your effort, can you post your code for the sample of args
parameter.
On Fri, Jul 30, 2010 at 7:23 PM, ken <gebser@mousecar.com> wrote:
> Thanks, Denny. I got the args working right, so it's basically working.
> So now I'm on to another issue: the re-search-forward function. Again,
> it's a syntax thing.
>
> As the code suggests, I'm looking for the html opening body tag. That
> text could be as simple as "<body>", but could also be:
>
> <
> BodY
> fgcolor="hazel"
> >
>
> I thought this would work:
>
> (re-search-forward "<\s*[bB][oO][dD][yY]\s.*>" nil t)
>
> but apparently "\s" is being treated as a literal and not as
> representing [whitespace]. Also, it doesn't seem that elisp has a
> function for doing a case-insensitive RE search.
>
>
>
> On 07/29/2010 10:37 PM filebat Mark wrote:
> > Hi Ken
> >
> > Yes, the parameter of CBARGS in url-retrieve function is confusing.
> > I also tried this, but it complains of "wrong number of arguments".
> >
> > Let's wait to see whether others have any comment. I will spend some
> > time, when I'm free.
> >
> >
> > On Fri, Jul 30, 2010 at 4:01 AM, ken <gebser@mousecar.com
> > <mailto:gebser@mousecar.com>> wrote:
> >
> >
> > On 07/29/2010 11:22 AM filebat Mark wrote:
> > > Hi Ken
> >
> > Hi, Denny. Thanks for replying
> >
> >
> > > Where do you set the value of url in the second function?
> >
> > It needs to be passed from the first defun, but I don't know the
> syntax
> > for doing that. The url-retrieve function is a little complex in
> terms
> > of its arguments. I think it's stumped even the experts on this
> list.
> >
> >
> > > One big enhancement shall be setting the coding system of the temp
> > > buffer, based on the charset of the html page.
> >
> > Thanks for bringing that up. Yeah, I followed that on your thread.
> I
> > might have to deal with that too. If, after I get the main part of
> my
> > code working how I want it, I find it's having that problem, I'll
> review
> > your emails (which I still have) and perhaps get back to you for
> > some tips.
> >
> >
> > > Regards,
> > > Denny
> >
> > Back at ya!
> > ken
> >
> >
> > >
> > > On Thu, Jul 29, 2010 at 7:46 AM, ken <gebser@mousecar.com
> > <mailto:gebser@mousecar.com>
> > > <mailto:gebser@mousecar.com <mailto:gebser@mousecar.com>>> wrote:
> > >
> > > Lennart suggested I use a different defun, url-copy-file. I
> > tried that
> > > instead, but it didn't work. But then I went back to my
> > original code,
> > > moved a single parenthesis and... it worked... mostly. Here's
> > the code:
> > >
> > > ------------------------ start ---------------------------
> > > load url.el
> > >
> > > (defun www-edit-web-page (url)
> > > "Retrieve web page and load into new buffer for editing.
> > > Automatically insert after <body> tag URL, appropriately
> > html-tagged
> > > URL."
> > > (interactive "sLoad URL: ")
> > > (with-temp-buffer (url-retrieve url 'edit-web-page)))
> > >
> > >
> > > (defun edit-web-page (status)
> > > "Switch to the buffer returned by `url-retreive'.
> > > The buffer should contain the web page sent by the server."
> > > (switch-to-buffer (current-buffer))
> > > (goto-char 0)
> > > (re-search-forward "<body.*>" nil t) ;go to end of <body
> > ...> tag.
> > > ;insert URL into page
> > > (insert "\n<p>From: <a href=\"" url "\">" url "</a>\n
> > </p>\n\n"))
> > >
> > > ------------------------ ende ---------------------------
> > >
> > > This properly fetches the web page and loads it into a new,
> > unsaved
> > > buffer (exactly what I want), but the last line in the second
> > defun
> > > doesn't execute. The error messages are telling me that
> > edit-web-page
> > > doesn't know the value of "url". So how do I pass this
> > variable-- with
> > > its assignment from www-edit-web-page to edit-web-page? (I
> have a
> > > guess, but i'm more a C/bash/blah/blah/blah guy, so elisp is a
> bit
> > > mysterious.)
> > >
> > >
> > >
> > >
> > >
> > >
> > > --
> > > Thanks & Regards
> > >
> > > Denny Zhang
> > >
> >
> >
> >
> >
> > --
> > Thanks & Regards
> >
> > Denny Zhang
> >
>
>
--
Thanks & Regards
Denny Zhang
[-- Attachment #2: Type: text/html, Size: 6506 bytes --]
next prev parent reply other threads:[~2010-07-30 16:32 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-28 15:36 Retrieve a web page into buffer and insert some text into it ken
2010-07-28 15:46 ` Lennart Borgman
2010-07-28 23:46 ` ken
2010-07-29 15:22 ` filebat Mark
2010-07-29 20:01 ` ken
[not found] ` <AANLkTi=7Y3=H1CeY_OvKZWwZp4R1JwpJCJQ20OMHTEKu@mail.gmail.com>
2010-07-30 11:23 ` ken
2010-07-30 16:32 ` filebat Mark [this message]
2010-07-30 16:51 ` filebat Mark
2010-07-30 17:00 ` filebat Mark
2010-07-30 17:12 ` Teemu Likonen
2010-07-31 2:05 ` filebat Mark
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to='AANLkTi=_36aLxO4sAMC6Je0H+x_5EBvSBC9nV-==LrAm@mail.gmail.com' \
--to=filebat.mark@gmail.com \
--cc=gebser@mousecar.com \
--cc=help-gnu-emacs@gnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this external index
https://git.savannah.gnu.org/cgit/emacs.git
https://git.savannah.gnu.org/cgit/emacs/org-mode.git
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.