elisp-vcs/dvc/lisp/tla-bconfig.el
2009-10-10 08:02:43 +02:00

152 lines
4.6 KiB
EmacsLisp

;;; tla-bconfig.el --- mode for input file of GNU arch's build-config
;; Copyright (C) 2005 Free Software Foundation, Inc.
;; Author: Masatake YAMATO <jet@gyve.org>
;; Keywords:
;; 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 2, 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., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Commentary:
;;
;;; Code:
(eval-and-compile
(require 'tla)
(require 'easymenu))
(defvar tla-bconfig-font-lock-keywords
'(("#.*$" . 'dvc-comment)
("\\(\\./[^ \n\t]*\\)[ \t]+\\(.*\\)"
(1 'dvc-local-directory) (2 'tla-archive-name)))
"Keywords in tla-bconfig mode.")
(defvar tla-bconfig-mode-map
(let ((map (make-sparse-keymap)))
(define-key map "\t" 'tla-bconfig-insert-contents)
(define-key map " " 'tla-bconfig-insert-contents)
(define-key map "." 'tla-bconfig-insert-contents-dot)
;;
(define-key map "\C-c\t" 'tla-insert-location)
(define-key map "\C-c " 'tla-insert-location)
;;
(define-key map "\C-c/" 'tla-bconfig-insert-directory)
(define-key map "\C-c." 'tla-bconfig-insert-directory)
(define-key map "\C-c\C-c" 'tla-build-config)
(define-key map "\C-c\C-v" 'tla-cat-config)
map)
"Keymap used in `tla-bconfig-mode'.")
(easy-menu-define tla-bconfig-mode-menu tla-bconfig-mode-map
"`tla-bconfig-mode' menu"
`("Build-Config"
["Insert Directory" tla-bconfig-insert-directory t]
["Insert Name" tla-insert-location t]
"--"
["Run cat-config" tla-cat-config t]
["Run build-config" tla-build-config t]))
(defun tla-bconfig-insert-directory ()
"Read a directory relative from tla's tree root, and insert it."
(interactive)
(let* ((base-dir (tla-tree-root))
(dir (dvc-read-directory-name "Directory: " base-dir)))
(when dir
(insert "./"
(directory-file-name
(substring (expand-file-name dir)
(length (expand-file-name base-dir))))))))
(defun tla-bconfig-insert-contents (n)
"Insert a directory or tla name depending on the point position."
(interactive "p")
(cond
;; In comment: Insert self.
((nth 4 (parse-partial-sexp (point) (point-min)))
(self-insert-command n))
;; Beginning of line: Insert a directory.
((bolp)
(tla-bconfig-insert-directory))
;; filename + space + X
;; If X is still empty, insert a tla name at ?.
((save-excursion
(beginning-of-line)
(and (re-search-forward "\\(\\./[^ \t\n]*\\)[ \t]+\\(.*\\)"
(line-end-position)
t)
(match-beginning 2)))
(goto-char (match-beginning 2))
(when (eq 0 (length (match-string 2)))
(tla-insert-location)))
;; filename
;; Insert tab, then insert a tla name.
((save-excursion
(beginning-of-line)
(and (re-search-forward "\\(\\./[^ \t\n]*\\)"
(line-end-position)
t)
(match-end 1)))
(goto-char (match-end 1))
(insert "\t")
(tla-insert-location))
;; In other case insert self.
(t (self-insert-command n))))
(defun tla-bconfig-insert-contents-dot (n)
""
(interactive "p")
(if (bolp)
(tla-bconfig-insert-contents n)
(self-insert-command n)))
(defvar tla-bconfig-mode-syntax-table
(let ((st (make-syntax-table)))
(modify-syntax-entry ?# "<" st)
(modify-syntax-entry ?\n ">" st)
st)
"Syntax table used in tla-bconfig mode.")
;;;###autoload
(defun tla-bconfig-mode ()
"Major mode to edit GNU arch's build config files."
(interactive)
(kill-all-local-variables)
(set-syntax-table tla-bconfig-mode-syntax-table)
(use-local-map tla-bconfig-mode-map)
(set (make-local-variable 'font-lock-defaults)
'(tla-bconfig-font-lock-keywords t))
(set (make-local-variable 'comment-start) "#")
(setq major-mode 'tla-bconfig-mode
mode-name "tla-bconfig")
(run-hooks 'tla-bconfig-mode-hook))
;;;###autoload
(add-to-list 'auto-mode-alist '("\\.arch$" . tla-bconfig-mode))
(provide 'tla-bconfig)
;; Local Variables:
;; End:
;; tla-bconfig.el ends here