Ted Smith ted...@gmail.com writes:
I've never really hacked emacs lisp seriously, nor do I have much
expertise in other lisps, so I doubt I'd be able to do it. If you think
it would be simple for a beginner and were willing to hold my hand a
bit, I could give it a shot, though...
Sure. So, you can see the basic structure of a defun from looking
around, but if you need a more information on that, see the intro to
emacs lisp.
http://www.gnu.org/software/emacs/emacs-lisp-intro/html_node/defun.html
For simplicity, we'll assume that all the weblogs we're publishing to
are WordPress. There are some differences between how weblogger.el
interacts with different weblog engines, but we won't let that bother us
for the moment.
Let's create a new key binding to publish to all configured weblogs in
weblogger-config-alist. (Later we may want to be able to set up a way
to only publish to some of those, but, for now, let's keep it simple.)
Find the line reading
(define-key map \C-c\C-e 'weblogger-toggle-edit-body)
And add
(define-key map (kbd C-c C-m) 'weblogger-publish-to-all-weblogs)
(I'm switching to kbd here because it seems to provide a little better
cross-emacsen support.)
For information on key binding conventions, what is acceptable and what
isn't, see
http://www.gnu.org/software/emacs/elisp/html_node/Key-Binding-Conventions.html
Now we need to write the weblogger-publish-to-all-weblogs function:
(defun weblogger-publish-to-all-weblogs ()
Publish to all weblogs in weblog-config-alist.
(interactive)
(let ((entry (weblogger-entry-buffer-to-struct))
weblogger-config-name weblogger-server-url
weblogger-server-username weblogger-server-password
weblogger-weblog-id)
(mapc (lambda (config)
(weblogger-switch-configuration (car config))
(weblogger-api-new-entry entry t))
weblogger-config-alist)))
If you're reading this email in Emacs, you can put the point right
after the last parenthesis and hit “C-x C-e” to evaluate and load it.
Otherwise, you can copy-paste the above function into your *scratch*
buffer and use “C-x C-e” to evaluate it.
Notes on this function:
1. (interactive)
This is required to tell Emacs that this function is interactive an
should be made available to keystrokes.
2. (let ((entry (weblogger-entry-buffer-to-struct)) …
Call the function weblogger-entry-buffer-to-struct and store the
result in the temporary variable named “entry”.
3. (let (…
weblogger-config-name weblogger-server-url
weblogger-server-username weblogger-server-password
weblogger-weblog-id)
Temporarily bind these variables to nil. Their old values will be
restored once we're out of let's scope.
4. (mapc …
weblogger-config-alist)
mapc will iterate over each item in the variable
weblogger-config-alist and pass it as an argument to the lambda
function I've elided here. This variable looks like this on my
system:
((blogger test http://www.blogger.com/api; hexm...@gmail.com
2462596)
(wp_test http://www.winkyfrown.com/wordpress/xmlrpc.php; hexmode
1)
(movable_type http://www.winkyfrown.com/cgi-bin/mt/mt-xmlrpc.cgi;
hexmode 1)
(wordpress http://hexmode.wordpress.com/xmlrpc.php; hexmode
1647614)
(default http://www.openweblog.com/interface/blogger/; hexmode
hexmode))
On the first call, the lambda function will get
(blogger test http://www.blogger.com/api; hexm...@gmail.com
2462596)
in its config argument. On the second call,
(wp_test http://www.winkyfrown.com/wordpress/xmlrpc.php; hexmode
1)
and so on.
5. (lambda (config)
(weblogger-switch-configuration (car config))
(weblogger-api-new-entry entry t))
The lambda just creates an anonymous function and returns it to mapc
for use. This function is pretty simple, it just switches the
configuration. Note that (car config) just returns the first element
of config (blogger test, wp_test, etc) which then gets passed to
weblogger-switch-configuration.
Behind the scenes, weblogger-switch-configuration is changing those
variables we temporarily bound to nil back in step 3.
weblogger-api-new-entry takes the entry we stored in step 2 and
published it. The t indicates that the entry should be published and
not saved as a draft (t and nil are Emacs Lisp's booleans).
6. I've split out some functionality from weblogger-select-configuration
(an interactive function) and put it in a utility function. You'll
need this as well:
(defun weblogger-switch-configuration (config)
Switch the configuration.
(let ((conf (cdr (assoc config weblogger-config-alist
(setq weblogger-config-name config
weblogger-server-url (nth 0 conf)
weblogger-server-username (nth 1 conf)
weblogger-server-password (nth 2 conf)
weblogger-weblog-id (nth 3 conf
I've tested the
