From: "Brian Schröder" <ruby@...>
Date: 2004-10-05T06:09:33+09:00
Subject: Re: Coding assistance for Emacs

Tassilo Horn wrote:
> Hi,
> 
> I'm doing my first stept with Ruby now. I really enjoy it. But I'm
> missing some editor assistance. 
> 
> I use Ruby 1.8.2 preview2, Emacs, ruby-mode.el 1.74, inf-ruby.el. 
> 
> How can I get code completion and other fancy things making coding
> faster? 
> 
> On ruby-lang.org I've found rtags which perhaps could be something I'm
> looking for. Is it included in the current CVS Ruby or do I have to get
> it elsewhere?
> 
> And is there any documentation for inf-ruby/ruby-mode beside the
> sources?
> 
> Much thanks in advance,
> 
> Tassilo 

My ruby xemacs setup. Has hide-show of functions [f4,f5,f6,f7] 
automatically chmod +x, ruby-xmp [m-f10], ri lookup of keyword at point 
[f1]. And some more.

Regards,

Brian


(require 'ruby-mode)
;;; Execute Ruby Command with f3
(define-key ruby-mode-map [f3] 'ruby-load-file)

(defun ruby-xmp-region (reg-start reg-end)
   "Pipe the region through Ruby's xmp utility and replace the region 
with the result."
   (interactive "r")
   (shell-command-on-region reg-start reg-end
			   "ruby -r xmp -n -e 'xmp($_, \"%l\t\t# %r\n\")'" t))

(global-set-key [(meta f10)] 'ruby-xmp-region)


(defun ruby-custom-setup ()
   (add-to-list 'hs-special-modes-alist
							 '(ruby-mode
								 "\\(def\\|do\\)"
								 "end"
								 "#"
								 (lambda (arg) (ruby-end-of-block))
								 nil
								 ))
   (hs-minor-mode t)
)

(add-hook 'ruby-mode-hook
   '(lambda ()
     (define-key ruby-mode-map "\M-q" 'jw-rb-fill-comment-region) ))

(add-hook 'ruby-mode-hook 'ruby-custom-setup)

; Chmod of scripts to u+x
(add-hook 'after-save-hook
           '(lambda ()
              (progn
                (and (save-excursion
                       (save-restriction
                         (widen)
                         (goto-char (point-min))
                         (save-match-data
                           (looking-at "^#!"))))
                     (shell-command (concat "chmod u+x " buffer-file-name))
                     (message (concat "Saved as script: " buffer-file-name))
                     ))))

;JeffreyRadcliffe -- Here is a method which calls the interpreter on the 
entire buffer, putting the output in another window:
(defun ruby-eval-buffer () (interactive)
	"Evaluate the buffer with ruby."
	(shell-command-on-region (point-min) (point-max) "ruby"))

   (defun ruby-xmp-region (reg-start reg-end)
     "Pipe the region through Ruby's xmp utility and replace
      the region with the result."
;PragDave -- This li'l beaut runs Gotoken's xmp processor on a region. 
This adds the results of evaluating each line to the end of that line. 
It's how I add values to code examples in my e-mail. Here it's bound to 
M-F10
     (interactive "r")
     (shell-command-on-region reg-start reg-end
              "ruby -r xmp -n -e 'xmp($_, \"%l\t\t# %r\n\")'" t))

(global-set-key [(control f10)] 'ruby-xmp-region)

(global-set-key [dead-tilde] "~")

(setq ri-ruby-script "/home/bschroed/.xemacs/ri-emacs.rb")
(autoload 'ri "/home/bschroed/.xemacs/ri-ruby.el" nil t)
;;
;;  You may want to bind the ri command to a key.
;;  For example to bind it to F1 in ruby-mode:
;;
(add-hook 'ruby-mode-hook (lambda () (local-set-key 'f1 'ri)))

-- 
Brian Schr�der
http://ruby.brian-schroeder.de/