1 ;;; riece-addon.el --- add-on management
2 ;; Copyright (C) 1998-2004 Daiki Ueno
4 ;; Author: Daiki Ueno <ueno@unixuser.org>
6 ;; Keywords: IRC, riece
8 ;; This file is part of Riece.
10 ;; This program is free software; you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation; either version 2, or (at your option)
15 ;; This program is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
28 (require 'riece-options)
29 (require 'riece-compat)
31 (require 'riece-addon-modules)
33 (defgroup riece-addon-list nil
36 :prefix "riece-addon-list-"
39 (defgroup riece-addon-list-faces nil
40 "Faces for riece-addon-list-mode."
42 :prefix "riece-addon-list-"
43 :group 'riece-addon-list)
45 (defface riece-addon-list-enabled-face
46 '((((class color) (background dark))
47 (:foreground "PaleTurquoise" :bold t))
50 "Face used for displaying the enabled addon."
51 :group 'riece-addon-list-faces)
52 (defvar riece-addon-list-enabled-face 'riece-addon-list-enabled-face)
54 (defface riece-addon-list-disabled-face
55 '((((class color) (background dark))
56 (:foreground "PaleTurquoise" :italic t))
59 "Face used for displaying the disabled addon."
60 :group 'riece-addon-list-faces)
61 (defvar riece-addon-list-disabled-face 'riece-addon-list-disabled-face)
63 (defface riece-addon-list-unsupported-face
64 '((((class color) (background dark))
65 (:foreground "PaleTurquoise"))
68 "Face used for displaying the unsupported addon."
69 :group 'riece-addon-list-faces)
70 (defvar riece-addon-list-unsupported-face 'riece-addon-list-unsupported-face)
72 (defface riece-addon-list-uninstalled-face
75 "Face used for displaying the uninstalled addon."
76 :group 'riece-addon-list-faces)
77 (defvar riece-addon-list-uninstalled-face 'riece-addon-list-uninstalled-face)
79 (defface riece-addon-list-unloaded-face
81 (:italic t :inverse-video t)))
82 "Face used for displaying the unloaded addon."
83 :group 'riece-addon-list-faces)
84 (defvar riece-addon-list-unloaded-face 'riece-addon-list-unloaded-face)
86 (defface riece-addon-list-description-face
89 (:foreground "lightyellow"))
92 (:foreground "blue4"))
95 "Face used for displaying the description addon."
96 :group 'riece-addon-list-faces)
97 (defvar riece-addon-list-description-face 'riece-addon-list-description-face)
99 (defcustom riece-addon-list-mark-face-alist
100 '((?+ . riece-addon-list-enabled-face)
101 (?- . riece-addon-list-disabled-face)
102 (?! . riece-addon-list-unsupported-face)
103 (?? . riece-addon-list-uninstalled-face)
104 (? . riece-addon-list-unloaded-face))
105 "An alist mapping marks on riece-addon-list-buffer to faces."
107 :group 'riece-addon-list)
109 (defcustom riece-addon-list-font-lock-keywords
110 '(("^\\([-+! ] [^:]+\\): \\(.*\\)"
111 (1 (cdr (assq (aref (match-string 1) 0)
112 riece-addon-list-mark-face-alist)))
113 (2 riece-addon-list-description-face)))
114 "Default expressions to addon in riece-addon-list-mode."
115 :type '(repeat (list string))
116 :group 'riece-addon-list)
118 (defvar riece-addon-list-mode-map
119 (let ((keymap (make-sparse-keymap)))
120 (define-key keymap "+" 'riece-command-enable-addon)
121 (define-key keymap "-" 'riece-command-disable-addon)
122 (define-key keymap "i" 'riece-command-insinuate-addon)
123 (define-key keymap "u" 'riece-command-uninstall-addon)
124 (define-key keymap "U" 'riece-command-unload-addon)
125 (define-key keymap "n" 'next-line)
126 (define-key keymap "p" 'previous-line)
127 (define-key keymap " " 'scroll-up)
128 (define-key keymap [delete] 'scroll-down)
129 (define-key keymap "q" 'bury-buffer)
132 (defun riece-load-and-build-addon-dependencies (addons)
133 (let ((load-path (cons riece-addon-directory load-path))
136 (require (car addons)) ;error will be reported here
137 (let* ((requires-function
139 (concat (symbol-name (car addons)) "-requires")))
141 (if (and requires-function
142 (fboundp requires-function))
143 (funcall requires-function)))
146 ;; Increment succs' pred count.
147 (if (setq entry (assq (car addons) dependencies))
148 (setcar (cdr entry) (+ (length requires) (nth 1 entry)))
149 (setq dependencies (cons (list (car addons) (length requires))
151 ;; Merge pred's succs.
153 (if (setq entry (assq (car pointer) dependencies))
154 (setcdr (cdr entry) (cons (car addons) (nthcdr 2 entry)))
155 (setq dependencies (cons (list (car pointer) 0 (car addons))
157 (setq pointer (cdr pointer))))
158 (setq addons (cdr addons)))
161 (defun riece-sort-addon-dependencies (dependencies)
162 (let ((pointer dependencies)
165 (if (zerop (nth 1 (car pointer)))
166 (setq dependencies (delq (car pointer) dependencies)
167 queue (cons (car pointer) queue)))
168 (setq pointer (cdr pointer)))
170 (setq addons (cons (cons (car (car queue)) (nthcdr 2 (car queue)))
172 pointer (nthcdr 2 (car queue)))
174 (let* ((entry (assq (car pointer) dependencies))
175 (count (1- (nth 1 entry))))
177 (setq dependencies (delq entry dependencies)
178 queue (nconc queue (list entry)))
179 (setcar (cdr entry) count)))
180 (setq pointer (cdr pointer)))
181 (setq queue (cdr queue)))
183 (error "Circular add-on dependency found: %S" dependencies))
186 (defun riece-resolve-addons (addons)
187 ;; Add files in riece-addon-directory to addons.
188 (if (file-directory-p riece-addon-directory)
193 (unless (file-directory-p
194 (expand-file-name name riece-addon-directory))
195 (intern (file-name-sans-extension name))))
196 (directory-files riece-addon-directory nil "\\`[^.]")))))
198 (setq addons (sort addons (lambda (symbol1 symbol2)
199 (string-lessp (symbol-name symbol1)
200 (symbol-name symbol2)))))
201 (let ((pointer addons))
203 (if (memq (car pointer) (cdr pointer))
204 (setcar pointer nil))
205 (setq pointer (cdr pointer)))
207 ;; Build & resolve dependencies.
208 (riece-sort-addon-dependencies
209 (riece-load-and-build-addon-dependencies addons)))
211 (defun riece-insinuate-addon-1 (addon verbose)
212 (if (get addon 'riece-addon-insinuated)
214 (message "Add-on %S is already insinuated" addon))
216 (funcall (intern (concat (symbol-name addon) "-insinuate")))
217 (put addon 'riece-addon-insinuated t)
219 (message "Add-on %S is insinuated" addon))
220 (unless (get addon 'riece-addon-default-disabled)
221 (riece-enable-addon addon t))))
223 (defun riece-insinuate-addon (addon &optional verbose)
224 (unless (assq addon riece-addon-dependencies)
225 (setq riece-addons (cons addon riece-addons)
226 riece-save-variables-are-dirty t
227 riece-addon-dependencies
228 (riece-resolve-addons
229 (cons addon (mapcar #'car riece-addon-dependencies)))))
230 (let ((pointer riece-addon-dependencies))
232 (unless (get (car (car pointer)) 'riece-addon-insinuated)
233 (riece-insinuate-addon-1 (car (car pointer)) verbose))
234 (if (eq (car (car pointer)) addon)
236 (setq pointer (cdr pointer))))))
238 (defun riece-uninstall-addon (addon &optional verbose)
239 (if (not (get addon 'riece-addon-insinuated))
241 (message "Add-on %S is not insinuated" addon))
242 (let ((entry (assq addon riece-addon-dependencies))
243 (enabled (intern-soft (concat (symbol-name addon) "-enabled")))
244 (uninstall (intern-soft (concat (symbol-name addon) "-uninstall"))))
247 (if (= (length (cdr entry)) 1)
248 (error "%S depends on %S" (car (cdr entry)) addon)
249 (error "%s depend on %S"
250 (mapconcat #'symbol-name (cdr entry) ", ")
254 (symbol-value enabled))
255 (riece-disable-addon addon verbose))
259 (setq riece-addon-dependencies
260 (delq entry riece-addon-dependencies))
261 (remprop addon 'riece-addon-insinuated)
262 (setq riece-addons (delq addon riece-addons)
263 riece-save-variables-are-dirty t
264 riece-addon-dependencies
265 (riece-resolve-addons
266 (delq addon (mapcar #'car riece-addon-dependencies))))))
268 (message "Add-on %S is uninstalled" addon)))))
270 (defun riece-enable-addon (addon &optional verbose)
271 (unless (get addon 'riece-addon-insinuated)
272 (error "Add-on %S is not insinuated" addon))
273 (let ((enabled (intern-soft (concat (symbol-name addon) "-enabled"))))
274 (if (or (null enabled)
275 (not (boundp enabled)))
277 (message "Add-on %S doesn't support enable/disable" addon))
278 (if (symbol-value enabled)
280 (message "Add-on %S is already enabled" addon))
281 (funcall (intern (concat (symbol-name addon) "-enable")))
283 (message "Add-on %S enabled" addon))))))
285 (defun riece-disable-addon (addon &optional verbose)
286 (unless (get addon 'riece-addon-insinuated)
287 (error "Add-on %S is not insinuated" addon))
288 (let ((enabled (intern-soft (concat (symbol-name addon) "-enabled"))))
289 (if (or (null enabled)
290 (not (boundp enabled)))
292 (message "Add-on %S doesn't support enable/disable" addon))
293 (if (symbol-value enabled)
295 (funcall (intern (concat (symbol-name addon) "-disable")))
297 (message "Add-on %S disabled" addon)))
299 (message "Add-on %S is already enabled" addon))))))
301 (put 'riece-addon-list-mode 'font-lock-defaults
302 '(riece-addon-list-font-lock-keywords t))
304 (defun riece-addon-list-mode ()
305 "Major mode for displaying addon list.
306 All normal editing commands are turned off."
307 (kill-all-local-variables)
308 (buffer-disable-undo)
309 (setq major-mode 'riece-addon-list-mode
311 mode-line-buffer-identification
312 (riece-mode-line-buffer-identification '("Riece: %12b"))
315 (use-local-map riece-addon-list-mode-map)
316 (make-local-variable 'font-lock-defaults)
317 (setq font-lock-defaults '(riece-addon-list-font-lock-keywords t))
318 ;; In XEmacs, auto-initialization of font-lock is not effective
319 ;; if buffer-file-name is not set.
320 (font-lock-set-defaults)
321 (run-hooks 'riece-addon-list-mode-hook))
323 (defun riece-command-list-addons ()
325 (set-buffer (riece-get-buffer-create "*AddOn*" 'riece-addon-list-mode))
326 (riece-addon-list-mode)
327 (let ((inhibit-read-only t)
329 (pointer riece-addon-dependencies)
330 module-description-alist
331 description enabled point)
333 (setq description (intern-soft (concat (symbol-name (car (car pointer)))
335 module-description-alist
336 (cons (cons (car (car pointer))
338 (boundp description))
339 (symbol-value description)
341 module-description-alist)
342 pointer (cdr pointer)))
343 (setq pointer riece-addon-modules)
345 (unless (assq (car (car pointer))
346 module-description-alist)
347 (setq module-description-alist
348 (cons (car pointer) module-description-alist)))
349 (setq pointer (cdr pointer)))
351 (riece-kill-all-overlays)
352 (setq pointer (sort module-description-alist
353 (lambda (entry1 entry2)
354 (string-lessp (symbol-name (car entry1))
355 (symbol-name (car entry2))))))
357 (setq enabled (intern-soft (concat (symbol-name (car (car pointer)))
360 (insert (format "%c %S: %s\n"
361 (if (not (featurep (car (car pointer))))
363 (if (not (get (car (car pointer))
364 'riece-addon-insinuated))
368 (if (symbol-value enabled)
372 (cdr (car pointer))))
373 (put-text-property point (point) 'riece-addon (car (car pointer)))
374 (setq pointer (cdr pointer)))
376 Symbols in the leftmost column:
378 + The add-on is enabled.
379 - The add-on is disabled.
380 ! The add-on doesn't support enable/disable operation.
381 ? The add-on is not insinuated.
382 The add-on is not loaded.
384 (insert (substitute-command-keys "
387 `\\[riece-command-enable-addon]' to enable the current add-on.
388 `\\[riece-command-disable-addon]' to disable the current add-on.
390 (goto-char (point-min))
391 (pop-to-buffer (current-buffer))
392 (delete-other-windows)))
394 (defun riece-addon-list-set-point (addon)
395 (let ((point (point-min)))
396 (while (and (not (eq (get-text-property point 'riece-addon) addon))
397 (setq point (next-single-property-change point
402 (defun riece-command-enable-addon (addon)
405 (or (if (eq major-mode 'riece-addon-list-mode)
406 (get-text-property (point) 'riece-addon))
408 (completing-read "Add-on: "
409 (mapcar (lambda (dependency)
410 (list (symbol-name (car dependency))))
411 riece-addon-dependencies)
414 (intern-soft (concat (car pointer)
417 (null (symbol-value enabled)))))
419 (riece-enable-addon addon t)
420 (when (eq major-mode 'riece-addon-list-mode)
421 (riece-command-list-addons)
422 (riece-addon-list-set-point addon)))
424 (defun riece-command-disable-addon (addon)
427 (or (if (eq major-mode 'riece-addon-list-mode)
428 (get-text-property (point) 'riece-addon))
430 (completing-read "Add-on: "
431 (mapcar (lambda (dependency)
432 (list (symbol-name (car dependency))))
433 riece-addon-dependencies)
436 (intern-soft (concat (car pointer)
439 (symbol-value enabled))))
441 (riece-disable-addon addon t)
442 (when (eq major-mode 'riece-addon-list-mode)
443 (riece-command-list-addons)
444 (riece-addon-list-set-point addon)))
446 (defun riece-command-insinuate-addon (addon)
449 (or (if (eq major-mode 'riece-addon-list-mode)
450 (get-text-property (point) 'riece-addon))
452 (completing-read "Add-on: "
453 (mapcar (lambda (dependency)
454 (list (symbol-name (car dependency))))
457 (not (get (car pointer) 'riece-addon-insinuated)))
459 (riece-insinuate-addon addon t)
460 (when (eq major-mode 'riece-addon-list-mode)
461 (riece-command-list-addons)
462 (riece-addon-list-set-point addon)))
464 (defun riece-command-uninstall-addon (addon)
467 (or (if (eq major-mode 'riece-addon-list-mode)
468 (get-text-property (point) 'riece-addon))
470 (completing-read "Add-on: "
471 (mapcar (lambda (dependency)
472 (list (symbol-name (car dependency))))
473 riece-addon-dependencies)
475 (get (car pointer) 'riece-addon-insinuated))
477 (riece-uninstall-addon addon t)
478 (when (eq major-mode 'riece-addon-list-mode)
479 (riece-command-list-addons)
480 (riece-addon-list-set-point addon)))
482 (defun riece-command-unload-addon (addon)
485 (or (if (eq major-mode 'riece-addon-list-mode)
486 (get-text-property (point) 'riece-addon))
488 (completing-read "Add-on: "
489 (mapcar (lambda (dependency)
490 (list (symbol-name (car dependency))))
491 riece-addon-dependencies)
493 (get (car pointer) 'riece-addon-insinuated))
495 (riece-uninstall-addon addon t)
496 (if (get addon 'riece-addon-not-unloadable)
497 (message "Add-on %S is not allowed to unload" addon)
498 (unload-feature addon)
499 (message "Add-on %S is unloaded" addon))
500 (when (eq major-mode 'riece-addon-list-mode)
501 (riece-command-list-addons)
502 (riece-addon-list-set-point addon)))
504 (provide 'riece-addon)
506 ;;; riece-addon.el ends here