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;; common definitions and functions
;; Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Jose Antonio Ortega Ruiz
;; Author: Jose A Ortega Ruiz <jao@gnu.org>
;; Keywords: tools
;; This file is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 3, or (at your option)
;; any later version.
;; This file is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to
;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;; Commentary:
;; Aux functions used in other skeletons
;;; Code:
(require 'skeleton)
(defvar jao-company-name nil
"Company name used in copyright notice")
(defvar jao-copyright-file ".copyright"
"Basename of the raw (uncommented) copyright file")
(defvar jao-skels-default-scm nil
"Default SCM system")
(defun jao-prefix (pref) (or pref (concat comment-start " ")))
(defun jao-suffix (suff) (or suff (concat " " comment-end)))
(defun jao-copyright-line (prefix &optional suffix omit-cpy)
"Create a brief copyright notice with given PREFIX and SUFFIX"
(concat (jao-prefix prefix)
(if omit-cpy "" "Copyright ")
"(c) " (format-time-string "%Y") " "
(or jao-company-name (user-full-name))
(jao-suffix suffix) "\n"))
(defun jao-date-line (prefix &optional suffix)
"Create a start date line"
(concat (jao-prefix prefix)
"Start date: " (format-time-string "%a %b %d, %Y %H:%M")
(jao-suffix suffix) "\n"))
(defun jao-author-line (prefix &optional suffix)
"Create an author date line"
(concat (jao-prefix prefix)
"Author: " (user-full-name) " <" user-mail-address "> "
(jao-suffix suffix) "\n"))
(defun jao-cvs-line (prefix &optional suffix)
"Create a CVS ID line"
(concat (jao-prefix prefix) "$" "Id$" (jao-suffix suffix) "\n"))
(defun jao-svn-line (prefix &optional suffix)
"Create a SVN ID line"
(concat (jao-prefix prefix) "X-SVN: $" "Id$" (jao-suffix suffix) "\n"))
(defun jao-arch-line (&optional prefix suffix)
"Create an arch-tag line"
(let ((uuid (shell-command-to-string "uuidgen")))
(concat (jao-prefix prefix) "arch-tag: " uuid (jao-suffix suffix) "\n")))
(defun jao-insert-arch-line ()
(interactive)
(insert (jao-arch-line)))
(defun jao-scm-line (prefix &optional suffix)
"Create an scm line"
(let* ((formats '(("arch" . jao-arch-line)
("svn" . jao-svn-line)
("cvs" . jao-cvs-line)
("none" . (lambda (p f) ""))))
(names (mapcar 'car formats))
(prompt (concat "SCM (" (mapconcat 'identity names ", ") "): "))
(sel (or jao-skels-default-scm
(completing-read prompt formats nil 1)))
(fun (cdr (assoc sel formats))))
(when fun (concat (funcall fun prefix suffix)))))
(defun jao-c&co-line (&optional prefix suffix)
(concat (jao-scm-line prefix suffix) "\n"
(jao-co-line prefix suffix)))
(defun jao-co-line (&optional prefix suffix)
(concat (jao-copyright-line prefix suffix) "\n"
(jao-author-line prefix suffix)
(jao-date-line prefix suffix)))
;; aux functions ---------------------------------------------------------
(defun jao-basename ()
"Get buffer file name without dir nor extension"
(file-name-sans-extension (file-name-nondirectory (buffer-file-name))))
(defun jao-basedir ()
"Base directory"
(file-name-nondirectory
(substring (file-name-directory (buffer-file-name)) 0 -1)))
(defun jao-dir-level (l)
(let ((elems (split-string
(file-name-sans-extension (buffer-file-name)) "/")))
(mapconcat 'identity (nthcdr (- (length elems) (+ 1 l)) elems) "/")))
(defun jao-extension ()
"Find the extension of the currently visited file"
(let ((elems (split-string (file-name-nondirectory (buffer-file-name))
"\\.")))
(nth (- (length elems) 1) elems)))
(defun jao-other-file-name (ext1 ext2)
"Find the complimentary file name of header/source file"
(let ((extension (jao-extension))
(basename (jao-basename)))
(if (string= extension ext1) (concat basename "." ext2)
(concat basename "." ext1))))
(defun jao-insert-commented-file (file-name)
(let* ((start (point))
(end (+ start (cadr (insert-file-contents file-name)))))
(goto-char end)
(comment-region start (point))))
(defun jao-insert-copyright-file ()
(let ((dir (locate-dominating-file (buffer-file-name) jao-copyright-file)))
(when dir
(let ((file (expand-file-name jao-copyright-file dir)))
(when (file-exists-p file)
(jao-insert-commented-file file))))))
(defun jao-provide-skel (regexp skel)
(let ((ex (assoc regexp auto-insert-alist)))
(if ex (setf (cdr ex) skel)
(add-to-list 'auto-insert-alist (cons regexp skel)))))
(defsubst jao-skel-provide (lst)
(mapc (lambda (x) (apply #'jao-provide-skel x)) lst))
(provide 'common-skel)
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