1 ;;; lsdb.el --- the Lovely Sister Database
3 ;; Copyright (C) 2002 Daiki Ueno
5 ;; Author: Daiki Ueno <ueno@unixuser.org>
6 ;; Keywords: adress book
8 ;; This file is part of the Lovely Sister Database.
10 ;; This program is free software; you can redistribute it and/or
11 ;; modify it under the terms of the GNU General Public License as
12 ;; published by the Free Software Foundation; either version 2, or (at
13 ;; your option) any later version.
15 ;; This program is distributed in the hope that it will be useful, but
16 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 ;; General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with this program; 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 ;;; (autoload 'lsdb-gnus-insinuate "lsdb")
29 ;;; (autoload 'lsdb-gnus-insinuate-message "lsdb")
30 ;;; (add-hook 'gnus-startup-hook 'lsdb-gnus-insinuate)
31 ;;; (add-hook 'message-setup-hook
33 ;;; (define-key message-mode-map "\M-\t" 'lsdb-complete-name)))
34 ;;; (add-hook 'gnus-summary-mode-hook
36 ;;; (define-key gnus-summary-mode-map ":" 'lsdb-toggle-buffer)))
38 ;;; For Wanderlust, put the following lines into your ~/.wl:
40 ;;; (lsdb-wl-insinuate)
41 ;;; (add-hook 'wl-draft-mode-hook
43 ;;; (define-key wl-draft-mode-map "\M-\t" 'lsdb-complete-name)))
44 ;;; (add-hook 'wl-summary-mode-hook
46 ;;; (define-key wl-summary-mode-map ":" 'lsdb-wl-toggle-buffer)))
48 ;;; For Mew, put the following lines into your ~/.mew:
49 ;;; (autoload 'lsdb-mew-insinuate "lsdb")
50 ;;; (add-hook 'mew-init-hook 'lsdb-mew-insinuate)
51 ;;; (add-hook 'mew-draft-mode-hook
53 ;;; (define-key mew-draft-header-map "\M-I" 'lsdb-complete-name)))
54 ;;; (add-hook 'mew-summary-mode-hook
56 ;;; (define-key mew-summary-mode-map ":" 'lsdb-toggle-buffer)))
65 ;;;_* USER CUSTOMIZATION VARIABLES:
67 "The Lovely Sister Database."
71 (defcustom lsdb-file (expand-file-name "~/.lsdb")
72 "The name of the Lovely Sister Database file."
76 (defcustom lsdb-file-coding-system (find-coding-system 'iso-2022-jp)
77 "Coding system for `lsdb-file'."
81 (defcustom lsdb-sender-headers
83 "List of headers to search for senders."
87 (defcustom lsdb-recipients-headers
88 "Resent-To\\|Resent-Cc\\|Reply-To\\|To\\|Cc\\|Bcc"
89 "List of headers to search for recipients."
93 (defcustom lsdb-interesting-header-alist
94 '(("Organization" nil organization)
95 ("\\(X-\\)?User-Agent\\|X-Mailer\\|X-Newsreader" nil user-agent)
96 ("\\(X-\\)?ML-Name" nil mailing-list)
97 ("List-Id" "\\(.*\\)[ \t]+<[^>]+>\\'" mailing-list "\\1")
98 ("X-Sequence" "\\(.*\\)[ \t]+[0-9]+\\'" mailing-list "\\1")
99 ("Delivered-To" "mailing list[ \t]+\\([^@]+\\)@.*" mailing-list "\\1")
100 ("\\(X-URL\\|X-URI\\)" nil www)
101 ("X-Attribution\\|X-cite-me" nil attribution)
102 ("X-Face" nil x-face))
103 "Alist of headers we are interested in.
104 The format of elements of this list should be
105 (FIELD-NAME REGEXP ENTRY STRING)
106 where the last three elements are optional."
110 (defcustom lsdb-entry-type-alist
112 (creation-date 2 ?. t)
113 (last-modified 3 ?. t)
121 "Alist of entry types for presentation.
122 The format of elements of this list should be
123 (ENTRY SCORE [CLASS READ-ONLY])
124 where the last two elements are optional.
125 Possible values for CLASS are `?.' and '?,'. If CLASS is `?.', the
126 entry takes a unique value which is overridden by newly assigned one
127 by `lsdb-mode-edit-entry' or such a command. If CLASS is `?,', the
128 entry can have multiple values separated by commas.
129 If the fourth element READ-ONLY is non-nil, it is assumed that the
130 entry cannot be modified."
134 (defcustom lsdb-decode-field-body-function #'lsdb-decode-field-body
135 "Field body decoder."
139 (defcustom lsdb-canonicalize-full-name-function
140 #'lsdb-canonicalize-spaces-and-dots
141 "Way to canonicalize full name."
145 (defcustom lsdb-lookup-full-name-functions
146 '(lsdb-lookup-full-name-from-address-cache)
147 "List of functions to pick up the existing full-name of the sender.
148 The sender is passed to each function as the argument."
152 (defcustom lsdb-update-record-functions
153 '(lsdb-update-address-cache)
154 "List of functions called after a record is updated.
155 The updated record is passed to each function as the argument."
159 (defcustom lsdb-secondary-hash-tables
160 '(lsdb-address-cache)
161 "List of the hash tables for reverse lookup"
165 (defcustom lsdb-window-max-height 7
166 "Maximum number of lines used to display LSDB record."
170 (defcustom lsdb-x-face-command-alist
171 '((pbm "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | pnmscale 0.5")
172 (xpm "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | pnmscale 0.5 | ppmtoxpm"))
173 "An alist from an image type to a command to be executed to display an X-Face header.
174 The command will be executed in a sub-shell asynchronously.
175 The compressed face will be piped to this command."
179 (defcustom lsdb-insert-x-face-function
180 (if (static-if (featurep 'xemacs)
182 (and (>= emacs-major-version 21)
183 (fboundp 'image-type-available-p)
184 (or (image-type-available-p 'pbm)
185 (image-type-available-p 'xpm))))
186 #'lsdb-insert-x-face-asynchronously)
187 "Function to display X-Face."
191 (defcustom lsdb-print-record-hook '(lsdb-expose-x-face)
192 "A hook called after a record is displayed."
196 (defcustom lsdb-display-records-sort-predicate nil
197 "A predicate to sort records."
201 (defcustom lsdb-pop-up-windows t
202 "Non-nil means LSDB should make new windows to display records."
206 (defgroup lsdb-edit-form nil
207 "A mode for editing forms."
210 (defcustom lsdb-edit-form-mode-hook nil
211 "Hook run in `lsdb-edit-form-mode' buffers."
212 :group 'lsdb-edit-form
215 (defcustom lsdb-shell-file-name "/bin/sh"
216 "File name to load inferior shells from.
217 Bourne shell or its equivalent \(not tcsh) is needed for \"2>\"."
221 (defcustom lsdb-shell-command-switch "-c"
222 "Switch used to have the shell execute its command line argument."
227 (defface lsdb-header-face
228 '((t (:underline t)))
229 "Face for the file header line in `lsdb-mode'."
231 (defvar lsdb-header-face 'lsdb-header-face)
233 (defface lsdb-field-name-face
234 '((((class color) (background dark))
235 (:foreground "PaleTurquoise" :bold t))
237 "Face for the message header line in `lsdb-mode'."
239 (defvar lsdb-field-name-face 'lsdb-field-name-face)
241 (defface lsdb-field-body-face
242 '((((class color) (background dark))
243 (:foreground "turquoise" :italic t))
245 "Face for the message header line in `lsdb-mode'."
247 (defvar lsdb-field-body-face 'lsdb-field-body-face)
249 (defconst lsdb-font-lock-keywords
251 (0 lsdb-header-face))
253 (0 lsdb-field-body-face))
254 ("^\t\\([^\t:]+:\\)[ \t]*\\(.*\\)$"
255 (1 lsdb-field-name-face)
256 (2 lsdb-field-body-face))))
258 (put 'lsdb-mode 'font-lock-defaults '(lsdb-font-lock-keywords t))
260 ;;;_* CODE - no user customizations below
261 ;;;_. Internal Variables
262 (defvar lsdb-hash-table nil
263 "Internal hash table to hold LSDB records.")
265 (defvar lsdb-address-cache nil
266 "The reverse lookup table for `lsdb-hash-table'.
267 It represents address to full-name mapping.")
269 (defvar lsdb-buffer-name "*LSDB*"
270 "Buffer name to display LSDB record.")
272 (defvar lsdb-hash-tables-are-dirty nil
273 "Flag to indicate whether the internal hash tables need to be saved.")
275 (defvar lsdb-known-entry-names
277 "An obarray used to complete an entry name.")
279 (defvar lsdb-temp-buffer-show-function
280 #'lsdb-temp-buffer-show-function
281 "Non-nil means call as function to display a help buffer.
282 The function is called with one argument, the buffer to be displayed.
283 Overrides `temp-buffer-show-function'.")
285 ;;;_. Hash Table Emulation
286 (if (and (fboundp 'make-hash-table)
287 (subrp (symbol-function 'make-hash-table)))
289 (defalias 'lsdb-puthash 'puthash)
290 (defalias 'lsdb-gethash 'gethash)
291 (defalias 'lsdb-remhash 'remhash)
292 (defalias 'lsdb-maphash 'maphash)
293 (defalias 'lsdb-hash-table-size 'hash-table-size)
294 (defalias 'lsdb-hash-table-count 'hash-table-count)
295 (defalias 'lsdb-make-hash-table 'make-hash-table))
296 (defun lsdb-puthash (key value hash-table)
297 "Hash KEY to VALUE in HASH-TABLE."
298 ;; Obarray is regarded as an open hash table, as a matter of
299 ;; fact, rehashing doesn't make sense.
301 (when (> (car hash-table)
302 (* (length (nth 1 hash-table)) 0.7))
303 (setq new-obarray (make-vector (* (length (nth 1 hash-table)) 2) 0))
306 (set (intern (symbol-name symbol) new-obarray)
307 (symbol-value symbol)))
309 (setcdr hash-table (list new-obarray)))
310 (set (intern key (nth 1 hash-table)) value)
311 (setcar hash-table (1+ (car hash-table)))))
312 (defun lsdb-gethash (key hash-table &optional default)
313 "Find hash value for KEY in HASH-TABLE.
314 If there is no corresponding value, return DEFAULT (which defaults to nil)."
315 (let ((symbol (intern-soft key (nth 1 hash-table))))
317 (symbol-value symbol)
319 (defun lsdb-remhash (key hash-table)
320 "Remove the entry for KEY from HASH-TABLE.
321 Do nothing if there is no entry for KEY in HASH-TABLE."
322 (unintern key (nth 1 hash-table))
323 (setcar hash-table (1- (car hash-table))))
324 (defun lsdb-maphash (function hash-table)
325 "Map FUNCTION over entries in HASH-TABLE, calling it with two args,
326 each key and value in HASH-TABLE.
328 FUNCTION may not modify HASH-TABLE, with the one exception that FUNCTION
329 may remhash or puthash the entry currently being processed by FUNCTION."
332 (funcall function (symbol-name symbol) (symbol-value symbol)))
334 (defun lsdb-hash-table-size (hash-table)
335 "Return the size of HASH-TABLE.
336 This is the current number of slots in HASH-TABLE, whether occupied or not."
337 (length (nth 1 hash-table)))
338 (defalias 'lsdb-hash-table-count 'car)
339 (defun lsdb-make-hash-table (&rest args)
340 "Return a new empty hash table object."
341 (list 0 (make-vector (or (plist-get args :size) 29) 0))))
343 ;;;_. Hash Table Reader/Writer
344 (defconst lsdb-secondary-hash-table-start-format
347 (defsubst lsdb-secondary-hash-table-start (hash-table)
348 (format lsdb-secondary-hash-table-start-format hash-table))
353 ;; In XEmacs, hash tables can also be created by the lisp reader
354 ;; using structure syntax.
355 (read-from-string "#s(hash-table)")
356 (defalias 'lsdb-read 'read))
358 (defun lsdb-read (&optional marker)
359 "Read one Lisp expression as text from MARKER, return as Lisp object."
362 (if (looking-at "^#s(")
364 (buffer-disable-undo)
365 (insert-buffer-substring (marker-buffer marker) marker)
366 (goto-char (point-min))
368 (let ((object (read (current-buffer)))
370 (if (eq 'hash-table (car object))
373 (lsdb-make-hash-table
374 :size (plist-get (cdr object) 'size)
376 data (plist-get (cdr object) 'data))
378 (lsdb-puthash (pop data) (pop data) hash-table))
382 (defun lsdb-load-hash-tables ()
383 "Read the contents of `lsdb-file' into the internal hash tables."
384 (let ((buffer (find-file-noselect lsdb-file))
389 (goto-char (point-min))
390 (re-search-forward "^#s(")
391 (goto-char (match-beginning 0))
392 (setq lsdb-hash-table (lsdb-read (point-marker)))
393 ;; Load the secondary hash tables following.
394 (setq tables lsdb-secondary-hash-tables)
396 (if (re-search-forward
397 (concat "^" (lsdb-secondary-hash-table-start
400 (set (car tables) (lsdb-read (point-marker))))
401 (setq tables (cdr tables))))
402 (kill-buffer buffer))))
404 (defun lsdb-insert-hash-table (hash-table)
405 (insert "#s(hash-table size "
406 ;; Reduce the actual size of the close hash table, because
407 ;; XEmacs doesn't have a distinction between index-size and
409 (number-to-string (lsdb-hash-table-count hash-table))
410 " test equal data (")
413 (insert (prin1-to-string key) " " (prin1-to-string value) " "))
417 (defun lsdb-save-hash-tables ()
418 "Write the records within the internal hash tables into `lsdb-file'."
419 (let ((coding-system-for-write lsdb-file-coding-system)
421 (with-temp-file lsdb-file
422 (if (and (or (featurep 'mule)
423 (featurep 'file-coding))
424 lsdb-file-coding-system)
425 (let ((coding-system-name
426 (if (symbolp lsdb-file-coding-system)
427 (symbol-name lsdb-file-coding-system)
429 (static-if (featurep 'xemacs)
430 (symbol-name (coding-system-name
431 lsdb-file-coding-system))))))
432 (if coding-system-name
433 (insert ";;; -*- coding: " coding-system-name " -*-\n"))))
434 (lsdb-insert-hash-table lsdb-hash-table)
435 ;; Save the secondary hash tables following.
436 (setq tables lsdb-secondary-hash-tables)
438 (insert "\n" (lsdb-secondary-hash-table-start
440 (lsdb-insert-hash-table (symbol-value (car tables)))
441 (setq tables (cdr tables))))))
443 ;;;_. Mail Header Extraction
444 (defun lsdb-fetch-field-bodies (regexp)
446 (goto-char (point-min))
447 (let ((case-fold-search t)
449 (while (re-search-forward (concat "^\\(" regexp "\\):[ \t]*")
451 (push (funcall lsdb-decode-field-body-function
452 (buffer-substring (point) (std11-field-end))
455 (nreverse field-bodies))))
457 (defun lsdb-canonicalize-spaces-and-dots (string)
458 (while (string-match " +\\|[\f\t\n\r\v]+\\|\\." string)
459 (setq string (replace-match " " nil t string)))
462 (defun lsdb-extract-address-components (string)
463 (let ((components (std11-extract-address-components string)))
464 (if (and (nth 1 components)
465 ;; When parsing a group address,
466 ;; std11-extract-address-components is likely to return
467 ;; the ("GROUP" "") form.
468 (not (equal (nth 1 components) "")))
470 (list (funcall lsdb-canonicalize-full-name-function
473 (list (nth 1 components) (nth 1 components))))))
475 ;; stolen (and renamed) from nnheader.el
476 (defun lsdb-decode-field-body (field-body field-name
477 &optional mode max-column)
478 (let ((multibyte enable-multibyte-characters))
481 (set-buffer-multibyte t)
482 (mime-decode-field-body field-body
483 (if (stringp field-name)
484 (intern (capitalize field-name))
487 (set-buffer-multibyte multibyte))))
489 ;;;_. Record Management
490 (defun lsdb-rebuild-secondary-hash-tables (&optional force)
491 (let ((tables lsdb-secondary-hash-tables))
493 (when (or force (not (symbol-value (car tables))))
494 (set (car tables) (lsdb-make-hash-table :test 'equal))
498 'lsdb-update-record-functions
501 (setq lsdb-hash-tables-are-dirty t))
502 (setq tables (cdr tables)))))
504 (defun lsdb-maybe-load-hash-tables ()
505 (unless lsdb-hash-table
506 (if (file-exists-p lsdb-file)
507 (lsdb-load-hash-tables)
508 (setq lsdb-hash-table (lsdb-make-hash-table :test 'equal)))
509 (lsdb-rebuild-secondary-hash-tables)))
511 ;;;_ : Fallback Lookup Functions
512 ;;;_ , #1 Address Cache
513 (defun lsdb-lookup-full-name-from-address-cache (sender)
514 (lsdb-gethash (nth 1 sender) lsdb-address-cache))
516 (defun lsdb-update-address-cache (record)
517 (let ((net (cdr (assq 'net record))))
519 (lsdb-puthash (pop net) (car record) lsdb-address-cache))))
521 ;;;_ , #2 Iterate on the All Records (very slow)
522 (defun lsdb-lookup-full-name-by-fuzzy-matching (sender)
525 "\\`\\(.+\\)[ \t]+\\(/[ \t]+\\|(\\([^)]+\\))\\)"
527 (if (match-beginning 3)
528 (list (match-string 1 (car sender))
529 (match-string 3 (car sender)))
530 (list (match-string 1 (car sender))
531 (substring (car sender) (match-end 0))))
532 (list (car sender))))
533 (case-fold-search t))
538 (if (or (string-match
539 (concat "\\<" (regexp-quote (car names)) "\\>")
545 (mapconcat #'identity
546 (nreverse (split-string (car names)))
550 ;; Don't assume that we are using address cache.
551 (member (nth 1 sender) (cdr (assq 'net value))))
553 (setq names (cdr names))))
556 ;;;_ : Update Records
557 (defun lsdb-update-record (sender &optional interesting)
558 (let ((old (lsdb-gethash (car sender) lsdb-hash-table))
559 (new (cons (cons 'net (list (nth 1 sender)))
564 ;; Look for the existing record from the reverse hash table.
565 ;; If it is found, regsiter the current full-name as AKA.
568 (run-hook-with-args-until-success
569 'lsdb-lookup-full-name-functions
572 (setq old (lsdb-gethash full-name lsdb-hash-table)
573 new (cons (list 'aka (car sender)) new))
574 (setcar sender full-name)))
576 (setq new (cons (cons 'creation-date (format-time-string "%Y-%m-%d"))
578 (setq merged (lsdb-merge-record-entries old new)
579 record (cons (car sender) merged))
580 (unless (equal merged old)
581 (let ((entry (assq 'last-modified (cdr record)))
582 (last-modified (format-time-string "%Y-%m-%d")))
584 (setcdr entry last-modified)
585 (setcdr record (cons (cons 'last-modified last-modified)
587 (lsdb-puthash (car record) (cdr record)
589 (run-hook-with-args 'lsdb-update-record-functions record)
590 (setq lsdb-hash-tables-are-dirty t))
593 (defun lsdb-update-records ()
594 (lsdb-maybe-load-hash-tables)
595 (let (senders recipients interesting alist records bodies entry)
597 (std11-narrow-to-header)
599 (delq nil (mapcar #'lsdb-extract-address-components
600 (lsdb-fetch-field-bodies
601 lsdb-sender-headers)))
603 (delq nil (mapcar #'lsdb-extract-address-components
604 (lsdb-fetch-field-bodies
605 lsdb-recipients-headers))))
606 (setq alist lsdb-interesting-header-alist)
611 (if (nth 1 (car alist))
612 (and (string-match (nth 1 (car alist))
614 (replace-match (nth 3 (car alist))
617 (lsdb-fetch-field-bodies (car (car alist))))))
619 (setq entry (or (nth 2 (car alist))
622 (if (eq ?. (nth 2 (assq entry lsdb-entry-type-alist)))
626 (setq alist (cdr alist))))
628 (setq records (list (lsdb-update-record (pop senders) interesting))))
629 (setq alist (nconc senders recipients))
631 (setq records (cons (lsdb-update-record (pop alist)) records)))
634 (defun lsdb-merge-record-entries (old new)
635 (setq old (copy-sequence old))
637 (let ((entry (assq (car (car new)) old))
640 (setq old (nconc old (list (car new))))
641 (if (listp (cdr entry))
643 (setq list (cdr (car new)) pointer list)
645 (if (member (car pointer) (cdr entry))
646 (setq list (delq (car pointer) list)))
647 (setq pointer (cdr pointer)))
648 (setcdr entry (nconc (cdr entry) list)))
649 (setcdr entry (cdr (car new))))))
650 (setq new (cdr new)))
653 ;;;_. Display Management
654 (defun lsdb-fit-window-to-buffer (&optional window)
655 (save-selected-window
657 (select-window window))
658 (unless (pos-visible-in-window-p (point-max))
659 (enlarge-window (- lsdb-window-max-height (window-height))))
660 (shrink-window-if-larger-than-buffer)
661 (let ((height (window-height)))
662 (if (> height lsdb-window-max-height)
663 (shrink-window (- height lsdb-window-max-height)))
664 (set-window-start window (point-min)))))
666 (defun lsdb-temp-buffer-show-function (buffer)
667 (when lsdb-pop-up-windows
668 (save-selected-window
669 (let ((window (or (get-buffer-window lsdb-buffer-name)
671 (select-window (get-largest-window))
672 (split-window-vertically)))))
673 (set-window-buffer window buffer)
674 (lsdb-fit-window-to-buffer window)))))
676 (defun lsdb-display-record (record)
677 "Display only one RECORD, then shrink the window as possible."
678 (let ((temp-buffer-show-function lsdb-temp-buffer-show-function))
679 (lsdb-display-records (list record))))
681 (defun lsdb-display-records (records)
682 (with-output-to-temp-buffer lsdb-buffer-name
683 (set-buffer standard-output)
685 (sort (copy-sequence records)
686 (or lsdb-display-records-sort-predicate
687 (lambda (record1 record2)
688 (string-lessp (car record1) (car record2))))))
691 (narrow-to-region (point) (point))
692 (lsdb-print-record (car records)))
693 (goto-char (point-max))
694 (setq records (cdr records)))
697 (defsubst lsdb-entry-score (entry)
698 (or (nth 1 (assq (car entry) lsdb-entry-type-alist)) 0))
700 (defun lsdb-insert-entry (entry)
701 (let ((entry-name (capitalize (symbol-name (car entry)))))
702 (intern entry-name lsdb-known-entry-names)
703 (if (>= (lsdb-entry-score entry) 0)
704 (insert "\t" entry-name ": "
705 (if (listp (cdr entry))
707 #'identity (cdr entry)
708 (if (eq ?, (nth 2 (assq (car entry)
709 lsdb-entry-type-alist)))
715 (defun lsdb-print-record (record)
716 (insert (car record) "\n")
718 (sort (copy-sequence (cdr record))
719 (lambda (entry1 entry2)
720 (> (lsdb-entry-score entry1) (lsdb-entry-score entry2))))))
722 (lsdb-insert-entry (car entries))
723 (setq entries (cdr entries))))
724 (add-text-properties (point-min) (point-max)
725 (list 'lsdb-record record))
726 (run-hooks 'lsdb-print-record-hook))
729 (defvar lsdb-last-completion nil)
730 (defvar lsdb-last-candidates nil)
731 (defvar lsdb-last-candidates-pointer nil)
733 ;;;_ : Matching Highlight
734 (defvar lsdb-last-highlight-overlay nil)
736 (defun lsdb-complete-name-highlight (start end)
737 (make-local-hook 'pre-command-hook)
738 (add-hook 'pre-command-hook 'lsdb-complete-name-highlight-update nil t)
741 (search-forward lsdb-last-completion end)
742 (setq lsdb-last-highlight-overlay
743 (make-overlay (match-beginning 0) (match-end 0)))
744 (overlay-put lsdb-last-highlight-overlay 'face
745 (or (find-face 'isearch-secondary)
746 (find-face 'isearch-lazy-highlight-face)
749 (defun lsdb-complete-name-highlight-update ()
750 (unless (eq 'this-command 'lsdb-complete-name)
751 (if lsdb-last-highlight-overlay
752 (delete-overlay lsdb-last-highlight-overlay))
753 (remove-hook 'pre-command-hook
754 'lsdb-complete-name-highlight-update t)))
756 ;;;_ : Name Completion
757 (defun lsdb-complete-name ()
758 "Complete the user full-name or net-address before point"
760 (lsdb-maybe-load-hash-tables)
763 (re-search-backward "\\(\\`\\|[\n:,]\\)[ \t]*")
764 (goto-char (match-end 0))
768 (completion-ignore-case t))
769 (unless (eq last-command this-command)
770 (setq lsdb-last-candidates nil
771 lsdb-last-candidates-pointer nil
772 lsdb-last-completion (buffer-substring start (point))
773 pattern (concat "\\<" (regexp-quote lsdb-last-completion)))
776 (let ((net (cdr (assq 'net value))))
777 (if (string-match pattern key)
778 (setq lsdb-last-candidates
779 (nconc lsdb-last-candidates
780 (mapcar (lambda (address)
781 (if (equal key address)
783 (concat key " <" address ">")))
786 (if (string-match pattern (car net))
787 (push (car net) lsdb-last-candidates))
788 (setq net (cdr net))))))
790 ;; Sort candidates by the position where the pattern occurred.
791 (setq lsdb-last-candidates
792 (sort lsdb-last-candidates
793 (lambda (cand1 cand2)
794 (< (if (string-match pattern cand1)
796 (if (string-match pattern cand2)
797 (match-beginning 0)))))))
798 (unless lsdb-last-candidates-pointer
799 (setq lsdb-last-candidates-pointer lsdb-last-candidates))
800 (when lsdb-last-candidates-pointer
801 (delete-region start (point))
802 (insert (pop lsdb-last-candidates-pointer))
803 (lsdb-complete-name-highlight start (point)))))
805 ;;;_. Major Mode (`lsdb-mode') Implementation
806 ;;;_ : Modeline Buffer Identification
807 (defconst lsdb-pointer-xpm
809 static char * lsdb_pointer_xpm[] = {
831 (static-if (featurep 'xemacs)
833 (defvar lsdb-xemacs-modeline-left-extent
834 (copy-extent modeline-buffer-id-left-extent))
836 (defvar lsdb-xemacs-modeline-right-extent
837 (copy-extent modeline-buffer-id-right-extent))
839 (defun lsdb-modeline-buffer-identification (line)
840 "Decorate 1st element of `mode-line-buffer-identification' LINE.
841 Modify whole identification by side effect."
842 (let ((id (car line)) chopped)
843 (if (and (stringp id) (string-match "^LSDB:" id))
845 (setq chopped (substring id 0 (match-end 0))
846 id (substring id (match-end 0)))
853 (list (vector 'xpm :data lsdb-pointer-xpm)))
854 (list (vector 'string :data chopped))))))
855 (set-glyph-face glyph 'modeline-buffer-id)
856 (cons lsdb-xemacs-modeline-left-extent glyph))
857 (cons lsdb-xemacs-modeline-right-extent id))
863 (defun lsdb-modeline-buffer-identification (line)
864 "Decorate 1st element of `mode-line-buffer-identification' LINE.
865 Modify whole identification by side effect."
866 (let ((id (copy-sequence (car line)))
868 (if (image-type-available-p 'xpm)
869 (create-image lsdb-pointer-xpm 'xpm t :ascent 'center))))
871 (stringp id) (string-match "^LSDB:" id))
872 (add-text-properties 0 (length id)
874 'rear-nonsticky (list 'display))
879 (defalias 'lsdb-modeline-buffer-identification 'identity))))
881 (defvar lsdb-mode-map
882 (let ((keymap (make-sparse-keymap)))
883 (define-key keymap "a" 'lsdb-mode-add-entry)
884 (define-key keymap "d" 'lsdb-mode-delete-entry)
885 (define-key keymap "e" 'lsdb-mode-edit-entry)
886 (define-key keymap "l" 'lsdb-mode-load)
887 (define-key keymap "s" 'lsdb-mode-save)
888 (define-key keymap "q" 'lsdb-mode-quit-window)
889 (define-key keymap "g" 'lsdb-mode-lookup)
890 (define-key keymap "p" 'lsdb-mode-previous-record)
891 (define-key keymap "n" 'lsdb-mode-next-record)
892 (define-key keymap " " 'scroll-up)
893 (define-key keymap [delete] 'scroll-down)
894 (define-key keymap "\177" 'scroll-down)
895 (define-key keymap [backspace] 'scroll-down)
899 (defvar lsdb-modeline-string "")
901 (define-derived-mode lsdb-mode fundamental-mode "LSDB"
902 "Major mode for browsing LSDB records."
903 (setq buffer-read-only t)
904 (static-if (featurep 'xemacs)
905 ;; In XEmacs, setting `font-lock-defaults' only affects on
906 ;; `find-file-hooks'.
907 (font-lock-set-defaults)
908 (set (make-local-variable 'font-lock-defaults)
909 '(lsdb-font-lock-keywords t)))
910 (make-local-hook 'post-command-hook)
911 (add-hook 'post-command-hook 'lsdb-modeline-update nil t)
912 (make-local-variable 'lsdb-modeline-string)
913 (setq mode-line-buffer-identification
914 (lsdb-modeline-buffer-identification
915 '("LSDB: " lsdb-modeline-string)))
916 (lsdb-modeline-update)
917 (force-mode-line-update))
919 (defun lsdb-modeline-update ()
921 (get-text-property (if (eobp) (point-min) (point)) 'lsdb-record))
925 (setq net (car (cdr (assq 'net (cdr record)))))
926 (if (equal net (car record))
927 (setq lsdb-modeline-string net)
928 (setq lsdb-modeline-string (concat (car record) " <" net ">"))))
929 (setq lsdb-modeline-string ""))))
931 (defun lsdb-narrow-to-record ()
932 "Narrow to the current record."
933 (let ((end (next-single-property-change (point) 'lsdb-record nil
936 (previous-single-property-change (point) 'lsdb-record nil (point-min))
938 (goto-char (point-min))))
940 (defun lsdb-current-record ()
941 "Return the current record name."
942 (let ((record (get-text-property (point) 'lsdb-record)))
944 (error "There is nothing to follow here"))
947 (defun lsdb-current-entry ()
948 "Return the current entry name.
949 If the point is not on a entry line, it prompts to select a entry in
953 (if (looking-at "^[^\t]")
954 (let ((record (lsdb-current-record))
955 (completion-ignore-case t))
957 "Which entry to modify: "
958 (mapcar (lambda (entry)
959 (list (capitalize (symbol-name (car entry)))))
962 (re-search-backward "^\t\\([^\t][^:]+\\):")
965 (defun lsdb-mode-add-entry (entry-name)
966 "Add an entry on the current line."
968 (let ((completion-ignore-case t))
969 (list (completing-read "Entry name: " lsdb-known-entry-names))))
971 (unless (symbolp entry-name)
972 (setq entry-name (intern (downcase entry-name))))
973 (when (assq entry-name (cdr (lsdb-current-record)))
974 (error "The entry already exists"))
975 (let ((marker (point-marker)))
977 nil "Editing the entry."
981 (set-buffer lsdb-buffer-name)
983 (let ((record (lsdb-current-record))
984 (inhibit-read-only t)
986 (setcdr record (cons (cons ',entry-name form) (cdr record)))
987 (lsdb-puthash (car record) (cdr record)
989 (run-hook-with-args 'lsdb-update-record-functions record)
990 (setq lsdb-hash-tables-are-dirty t)
991 (beginning-of-line 2)
995 (lsdb-insert-entry (cons ',entry-name form))
997 (list 'lsdb-record record)))))))))
999 (defun lsdb-mode-delete-entry (&optional entry-name dont-update)
1000 "Delete the entry on the current line."
1002 (let ((record (lsdb-current-record))
1005 (setq entry-name (lsdb-current-entry)))
1006 (setq entry (assq (intern (downcase entry-name)) (cdr record)))
1009 (setcdr record (delq entry (cdr record)))
1010 (lsdb-puthash (car record) (cdr record)
1012 (run-hook-with-args 'lsdb-update-record-functions record)
1013 (setq lsdb-hash-tables-are-dirty t))
1015 (lsdb-narrow-to-record)
1016 (let ((case-fold-search t)
1017 (inhibit-read-only t)
1019 (goto-char (point-min))
1020 (if (re-search-forward
1021 (concat "^\t" (or entry-name
1022 (lsdb-current-entry))
1025 (delete-region (match-beginning 0)
1026 (if (re-search-forward
1027 "^\t[^\t][^:]+:" nil t)
1031 (defun lsdb-mode-edit-entry ()
1032 "Edit the entry on the current line."
1034 (let* ((record (lsdb-current-record))
1035 (entry-name (intern (downcase (lsdb-current-entry))))
1036 (entry (assq entry-name (cdr record)))
1037 (marker (point-marker)))
1039 (cdr entry) "Editing the entry."
1041 (unless (equal form ',(cdr entry))
1043 (set-buffer lsdb-buffer-name)
1045 (let* ((record (lsdb-current-record))
1046 (entry (assq ',entry-name (cdr record)))
1047 (inhibit-read-only t)
1050 (run-hook-with-args 'lsdb-update-record-functions record)
1051 (setq lsdb-hash-tables-are-dirty t)
1052 (lsdb-mode-delete-entry (symbol-name ',entry-name) t)
1054 (add-text-properties
1057 (lsdb-insert-entry (cons ',entry-name form))
1059 (list 'lsdb-record record)))))))))
1061 (defun lsdb-mode-save (&optional dont-ask)
1062 "Save LSDB hash table into `lsdb-file'."
1064 (if (not lsdb-hash-tables-are-dirty)
1065 (message "(No changes need to be saved)")
1066 (when (or (interactive-p)
1068 (y-or-n-p "Save the LSDB now?"))
1069 (lsdb-save-hash-tables)
1070 (setq lsdb-hash-tables-are-dirty nil)
1071 (message "The LSDB was saved successfully."))))
1073 (defun lsdb-mode-load ()
1074 "Load LSDB hash table from `lsdb-file'."
1076 (let (lsdb-secondary-hash-tables)
1077 (lsdb-load-hash-tables))
1078 (message "Rebuilding secondary hash tables...")
1079 (lsdb-rebuild-secondary-hash-tables t)
1080 (message "Rebuilding secondary hash tables...done"))
1082 (defun lsdb-mode-quit-window (&optional kill window)
1083 "Quit the current buffer.
1084 It partially emulates the GNU Emacs' of `quit-window'."
1087 (setq window (selected-window)))
1088 (let ((buffer (window-buffer window)))
1089 (unless (save-selected-window
1090 (select-window window)
1092 (delete-window window))
1094 (kill-buffer buffer)
1095 (bury-buffer buffer))))
1097 (defun lsdb-hide-buffer ()
1098 "Hide the LSDB window."
1099 (let ((window (get-buffer-window lsdb-buffer-name)))
1101 (lsdb-mode-quit-window nil window))))
1103 (defun lsdb-show-buffer ()
1104 "Show the LSDB window."
1105 (if (get-buffer lsdb-buffer-name)
1106 (if lsdb-temp-buffer-show-function
1107 (let ((lsdb-pop-up-windows t))
1108 (funcall lsdb-temp-buffer-show-function lsdb-buffer-name))
1109 (pop-to-buffer lsdb-buffer-name))))
1111 (defun lsdb-toggle-buffer (&optional arg)
1112 "Toggle hiding of the LSDB window.
1113 If given a negative prefix, always show; if given a positive prefix,
1116 (list (if current-prefix-arg
1117 (prefix-numeric-value current-prefix-arg)
1119 (unless arg ;called noninteractively?
1124 (not (get-buffer-window lsdb-buffer-name))))
1128 (get-buffer-window lsdb-buffer-name)))
1129 (lsdb-hide-buffer))))
1131 (defun lsdb-lookup-records (regexp &optional entry-name)
1132 "Return the all records in the LSDB matching the REGEXP.
1133 If the optional 2nd argument ENTRY-NAME is given, matching only
1134 performed against the entry field."
1139 (unless (symbolp entry-name)
1140 (setq entry-name (intern (downcase entry-name))))
1142 (let ((entry (cdr (assq entry-name value)))
1144 (unless (listp entry)
1145 (setq entry (list entry)))
1146 (while (and (not found) entry)
1147 (if (string-match regexp (pop entry))
1150 (push (cons key value) records)))))
1152 (if (string-match regexp key)
1153 (push (cons key value) records))))
1157 (defvar lsdb-mode-lookup-history nil)
1159 (defun lsdb-mode-lookup (regexp &optional entry-name)
1160 "Display the all records in the LSDB matching the REGEXP.
1161 If the optional 2nd argument ENTRY-NAME is given, matching only
1162 performed against the entry field."
1164 (let* ((completion-ignore-case t)
1166 (if current-prefix-arg
1167 (completing-read "Entry name: "
1168 lsdb-known-entry-names))))
1170 (read-from-minibuffer
1172 (format "Search records `%s' regexp: " entry-name)
1173 "Search records regexp: ")
1174 nil nil nil 'lsdb-mode-lookup-history)
1176 (lsdb-maybe-load-hash-tables)
1177 (let ((records (lsdb-lookup-records regexp entry-name)))
1179 (lsdb-display-records records))))
1182 (defalias 'lsdb 'lsdb-mode-lookup)
1184 (defun lsdb-mode-next-record (&optional arg)
1185 "Go to the next record."
1187 (unless arg ;called noninteractively?
1190 (lsdb-mode-previous-record (- arg))
1192 (goto-char (next-single-property-change
1193 (point) 'lsdb-record nil (point-max)))
1194 (setq arg (1- arg)))))
1196 (defun lsdb-mode-previous-record (&optional arg)
1197 "Go to the previous record."
1199 (unless arg ;called noninteractively?
1202 (lsdb-mode-next-record (- arg))
1204 (goto-char (previous-single-property-change
1205 (point) 'lsdb-record nil (point-min)))
1206 (setq arg (1- arg)))))
1208 ;;;_ : Edit Forms -- stolen (and renamed) from gnus-eform.el
1209 (defvar lsdb-edit-form-buffer "*LSDB edit form*")
1210 (defvar lsdb-edit-form-done-function nil)
1211 (defvar lsdb-previous-window-configuration nil)
1213 (defvar lsdb-edit-form-mode-map
1214 (let ((keymap (make-sparse-keymap)))
1215 (set-keymap-parent keymap emacs-lisp-mode-map)
1216 (define-key keymap "\C-c\C-c" 'lsdb-edit-form-done)
1217 (define-key keymap "\C-c\C-k" 'lsdb-edit-form-exit)
1219 "Edit form's keymap.")
1221 (defun lsdb-edit-form-mode ()
1222 "Major mode for editing forms.
1223 It is a slightly enhanced emacs-lisp-mode.
1225 \\{lsdb-edit-form-mode-map}"
1227 (kill-all-local-variables)
1228 (setq major-mode 'lsdb-edit-form-mode
1229 mode-name "LSDB Edit Form")
1230 (use-local-map lsdb-edit-form-mode-map)
1231 (make-local-variable 'lsdb-edit-form-done-function)
1232 (make-local-variable 'lsdb-previous-window-configuration)
1233 (run-hooks 'lsdb-edit-form-mode-hook))
1235 (defun lsdb-edit-form (form documentation exit-func)
1236 "Edit FORM in a new buffer.
1237 Call EXIT-FUNC on exit. Display DOCUMENTATION in the beginning
1239 (let ((window-configuration
1240 (current-window-configuration)))
1241 (switch-to-buffer (get-buffer-create lsdb-edit-form-buffer))
1242 (lsdb-edit-form-mode)
1243 (setq lsdb-previous-window-configuration window-configuration
1244 lsdb-edit-form-done-function exit-func)
1246 (insert documentation)
1249 (goto-char (point-min))
1253 (insert ";; Type `C-c C-c' after you've finished editing.\n")
1256 (pp form (current-buffer))
1260 (defun lsdb-edit-form-done ()
1261 "Update changes and kill the current buffer."
1263 (goto-char (point-min))
1264 (let ((form (condition-case nil
1265 (read (current-buffer))
1267 (func lsdb-edit-form-done-function))
1268 (lsdb-edit-form-exit)
1269 (funcall func form)))
1271 (defun lsdb-edit-form-exit ()
1272 "Kill the current buffer."
1274 (let ((window-configuration lsdb-previous-window-configuration))
1275 (kill-buffer (current-buffer))
1276 (set-window-configuration window-configuration)))
1278 ;;;_. Interface to Semi-gnus
1280 (defun lsdb-gnus-insinuate ()
1281 "Call this function to hook LSDB into Semi-gnus."
1282 (add-hook 'gnus-article-prepare-hook 'lsdb-gnus-update-record)
1283 (add-hook 'gnus-save-newsrc-hook 'lsdb-mode-save))
1285 (defvar gnus-current-headers)
1286 (defun lsdb-gnus-update-record ()
1287 (let ((entity gnus-current-headers)
1290 (set-buffer-multibyte nil)
1291 (buffer-disable-undo)
1292 (mime-insert-entity entity)
1293 (setq records (lsdb-update-records))
1295 (lsdb-display-record (car records))))))
1297 ;;;_. Interface to Wanderlust
1299 (defun lsdb-wl-insinuate ()
1300 "Call this function to hook LSDB into Wanderlust."
1301 (add-hook 'wl-message-redisplay-hook 'lsdb-wl-update-record)
1302 (add-hook 'wl-summary-exit-hook 'lsdb-hide-buffer)
1303 (add-hook 'wl-summary-toggle-disp-off-hook 'lsdb-hide-buffer)
1304 (add-hook 'wl-summary-toggle-disp-folder-on-hook 'lsdb-hide-buffer)
1305 (add-hook 'wl-summary-toggle-disp-folder-off-hook 'lsdb-hide-buffer)
1306 (add-hook 'wl-summary-toggle-disp-folder-message-resumed-hook
1307 'lsdb-wl-show-buffer)
1308 (add-hook 'wl-exit-hook 'lsdb-mode-save)
1309 (add-hook 'wl-save-hook 'lsdb-mode-save))
1312 (autoload 'wl-message-get-original-buffer "wl-message"))
1313 (defun lsdb-wl-update-record ()
1315 (set-buffer (wl-message-get-original-buffer))
1316 (let ((records (lsdb-update-records)))
1318 (let ((lsdb-temp-buffer-show-function
1319 #'lsdb-wl-temp-buffer-show-function))
1320 (lsdb-display-record (car records)))))))
1322 (defun lsdb-wl-toggle-buffer (&optional arg)
1323 "Toggle hiding of the LSDB window for Wanderlust.
1324 If given a negative prefix, always show; if given a positive prefix,
1327 (list (if current-prefix-arg
1328 (prefix-numeric-value current-prefix-arg)
1330 (let ((lsdb-temp-buffer-show-function
1331 #'lsdb-wl-temp-buffer-show-function))
1332 (lsdb-toggle-buffer arg)))
1334 (defun lsdb-wl-show-buffer ()
1335 (when lsdb-pop-up-windows
1336 (let ((lsdb-temp-buffer-show-function
1337 #'lsdb-wl-temp-buffer-show-function))
1338 (lsdb-show-buffer))))
1340 (defvar wl-current-summary-buffer)
1341 (defvar wl-message-buffer)
1342 (defun lsdb-wl-temp-buffer-show-function (buffer)
1343 (when lsdb-pop-up-windows
1344 (save-selected-window
1345 (let ((window (or (get-buffer-window lsdb-buffer-name)
1349 (if (buffer-live-p wl-current-summary-buffer)
1350 (set-buffer wl-current-summary-buffer))
1351 (get-buffer-window wl-message-buffer))
1352 (get-largest-window)))
1353 (split-window-vertically)))))
1354 (set-window-buffer window buffer)
1355 (lsdb-fit-window-to-buffer window)))))
1357 ;;;_. Interface to Mew written by Hideyuki SHIRAI <shirai@rdmg.mgcs.mei.co.jp>
1359 (autoload 'mew-sinfo-get-disp-msg "mew")
1360 (autoload 'mew-current-get-fld "mew")
1361 (autoload 'mew-current-get-msg "mew")
1362 (autoload 'mew-frame-id "mew")
1363 (autoload 'mew-cache-hit "mew"))
1366 (defun lsdb-mew-insinuate ()
1367 "Call this function to hook LSDB into Mew."
1368 (add-hook 'mew-message-hook 'lsdb-mew-update-record)
1369 (add-hook 'mew-summary-toggle-disp-msg-hook
1371 (unless (mew-sinfo-get-disp-msg)
1372 (lsdb-hide-buffer))))
1373 (add-hook 'mew-suspend-hook 'lsdb-hide-buffer)
1374 (add-hook 'mew-quit-hook 'lsdb-mode-save)
1375 (add-hook 'kill-emacs-hook 'lsdb-mode-save))
1377 (defun lsdb-mew-update-record ()
1378 (let* ((fld (mew-current-get-fld (mew-frame-id)))
1379 (msg (mew-current-get-msg (mew-frame-id)))
1380 (cache (mew-cache-hit fld msg 'must-hit))
1384 (make-local-variable 'lsdb-decode-field-body-function)
1385 (setq lsdb-decode-field-body-function
1387 (set-text-properties 0 (length body) nil body)
1389 (when (setq records (lsdb-update-records))
1390 (lsdb-display-record (car records))))))
1392 ;;;_. Interface to MU-CITE
1394 (autoload 'mu-cite-get-value "mu-cite"))
1396 (defun lsdb-mu-attribution (address)
1397 "Extract attribute information from LSDB."
1399 (lsdb-lookup-records (concat "\\<" address "\\>") 'net)))
1401 (cdr (assq 'attribution (cdr (car records)))))))
1403 (defun lsdb-mu-set-attribution (attribution address)
1404 "Add attribute information to LSDB."
1406 (lsdb-lookup-records (concat "\\<" address "\\>") 'net))
1409 (setq entry (assq 'attribution (cdr (car records))))
1411 (setcdr entry attribution)
1412 (setcdr (car records) (cons (cons 'attribution attribution)
1413 (cdr (car records))))
1414 (lsdb-puthash (car (car records)) (cdr (car records))
1416 (run-hook-with-args 'lsdb-update-record-functions (car records))
1417 (setq lsdb-hash-tables-are-dirty t)))))
1419 (defun lsdb-mu-get-prefix-method ()
1420 "A mu-cite method to return a prefix from LSDB or \">\".
1421 If an `attribution' value is found in LSDB, the value is returned.
1422 Otherwise \">\" is returned."
1423 (or (lsdb-mu-attribution (mu-cite-get-value 'address))
1426 (defvar minibuffer-allow-text-properties)
1428 (defvar lsdb-mu-history nil)
1430 (defun lsdb-mu-get-prefix-register-method ()
1431 "A mu-cite method to return a prefix from LSDB or register it.
1432 If an `attribution' value is found in LSDB, the value is returned.
1433 Otherwise the function requests a prefix from a user. The prefix will
1434 be registered to LSDB if the user wants it."
1435 (let ((address (mu-cite-get-value 'address)))
1436 (or (lsdb-mu-attribution address)
1437 (let* (minibuffer-allow-text-properties
1438 (result (read-string "Citation name? "
1439 (or (mu-cite-get-value 'x-attribution)
1440 (mu-cite-get-value 'full-name))
1442 (if (and (not (string-equal result ""))
1443 (y-or-n-p (format "Register \"%s\"? " result)))
1444 (lsdb-mu-set-attribution result address))
1447 (defun lsdb-mu-get-prefix-register-verbose-method ()
1448 "A mu-cite method to return a prefix using LSDB.
1450 In this method, a user must specify a prefix unconditionally. If an
1451 `attribution' value is found in LSDB, the value is used as a initial
1452 value to input the prefix. The prefix will be registered to LSDB if
1454 (let* ((address (mu-cite-get-value 'address))
1455 (attribution (lsdb-mu-attribution address))
1456 minibuffer-allow-text-properties
1457 (result (read-string "Citation name? "
1459 (mu-cite-get-value 'x-attribution)
1460 (mu-cite-get-value 'full-name))
1462 (if (and (not (string-equal result ""))
1463 (not (string-equal result attribution))
1464 (y-or-n-p (format "Register \"%s\"? " result)))
1465 (lsdb-mu-set-attribution result address))
1468 (defvar mu-cite-methods-alist)
1470 (defun lsdb-mu-insinuate ()
1471 (add-hook 'mu-cite-instantiation-hook
1473 (setq mu-cite-methods-alist
1475 mu-cite-methods-alist
1478 #'lsdb-mu-get-prefix-method)
1479 (cons 'lsdb-prefix-register
1480 #'lsdb-mu-get-prefix-register-method)
1481 (cons 'lsdb-prefix-register-verbose
1482 #'lsdb-mu-get-prefix-register-verbose-method)))))))
1484 ;;;_. X-Face Rendering
1485 (defvar lsdb-x-face-cache
1486 (lsdb-make-hash-table :test 'equal))
1488 (defun lsdb-x-face-available-image-type ()
1489 (static-if (featurep 'xemacs)
1492 (and (>= emacs-major-version 21)
1493 (fboundp 'image-type-available-p)
1494 (if (image-type-available-p 'pbm)
1496 (if (image-type-available-p 'xpm)
1499 (defun lsdb-expose-x-face ()
1500 (let* ((record (get-text-property (point-min) 'lsdb-record))
1501 (x-face (cdr (assq 'x-face (cdr record))))
1503 (when (and lsdb-insert-x-face-function
1505 (goto-char (point-min))
1507 (put-text-property 0 1 'invisible t delimiter) ;hide "\r"
1513 (funcall lsdb-insert-x-face-function (pop x-face)))
1515 'lsdb-record record))))
1517 (defun lsdb-insert-x-face-image (data type marker)
1518 (static-if (featurep 'xemacs)
1520 (set-buffer (marker-buffer marker))
1522 (let* ((inhibit-read-only t)
1524 (glyph (make-glyph (vector type :data data))))
1525 (set-extent-begin-glyph
1526 (make-extent (point) (point))
1529 (set-buffer (marker-buffer marker))
1531 (let* ((inhibit-read-only t)
1533 (image (create-image data type t :ascent 'center))
1534 (record (get-text-property (point) 'lsdb-record)))
1535 (put-text-property (point) (progn
1536 (insert-image image)
1538 'lsdb-record record)))))
1540 (defun lsdb-insert-x-face-asynchronously (x-face)
1541 (let* ((type (lsdb-x-face-available-image-type))
1542 (shell-file-name lsdb-shell-file-name)
1543 (shell-command-switch lsdb-shell-command-switch)
1544 (process-connection-type nil)
1545 (cached (cdr (assq type (lsdb-gethash x-face lsdb-x-face-cache))))
1546 (marker (point-marker))
1549 (lsdb-insert-x-face-image cached type marker)
1551 (start-process-shell-command
1552 "lsdb-x-face-command" (generate-new-buffer " *lsdb work*")
1554 (nth 1 (assq type lsdb-x-face-command-alist))
1555 "; } 2> /dev/null")))
1556 (process-send-string process (concat x-face "\n"))
1557 (process-send-eof process)
1558 (set-process-sentinel
1560 `(lambda (process string)
1562 (when (and (buffer-live-p (marker-buffer ,marker))
1563 (equal string "finished\n"))
1565 (with-current-buffer (process-buffer process)
1566 (set-buffer-multibyte nil)
1568 (lsdb-insert-x-face-image data ',type ,marker)
1569 (lsdb-puthash ,x-face (list (cons ',type data))
1570 lsdb-x-face-cache)))
1571 (kill-buffer (process-buffer process))))))))
1576 (product-provide 'lsdb
1577 (product-define "LSDB" nil '(0 5)))
1579 ;;;_* Local emacs vars.
1580 ;;; The following `outline-layout' local variable setting:
1581 ;;; - closes all topics from the first topic to just before the third-to-last,
1582 ;;; - shows the children of the third to last (config vars)
1583 ;;; - and the second to last (code section),
1584 ;;; - and closes the last topic (this local-variables section).
1586 ;;;outline-layout: (0 : -1 -1 0)
1589 ;;; lsdb.el ends here