;;; nndoc.el --- single file access for Gnus
-;; Copyright (C) 1995 Free Software Foundation, Inc.
+;; Copyright (C) 1995,96,97 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
;; Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
;; 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, 675 Mass Ave, Cambridge, MA 02139, USA.
+;; 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:
;;; Code:
(require 'nnheader)
-(require 'rmail)
+(require 'message)
(require 'nnmail)
+(require 'nnoo)
+(eval-when-compile (require 'cl))
-(defvar nndoc-article-type 'guess
+(nnoo-declare nndoc)
+
+(defvoo nndoc-article-type 'guess
"*Type of the file.
-One of `mbox', `babyl', `digest', `news', `rnews', `mmdf',
-`forward', `mime-digest', `standard-digest', `slack-digest', or
-`guess'.")
+One of `mbox', `babyl', `digest', `news', `rnews', `mmdf', `forward',
+`rfc934', `mime-digest', `standard-digest', `slack-digest',
+`clari-briefs' or `guess'.")
+
+(defvoo nndoc-post-type 'mail
+ "*Whether the nndoc group is `mail' or `post'.")
-(defvar nndoc-type-alist
- `((mmdf
+(defvar nndoc-type-alist
+ `((mmdf
(article-begin . "^\^A\^A\^A\^A\n")
(body-end . "^\^A\^A\^A\^A\n"))
(news
(article-begin . "^Path:"))
(rnews
- (article-begin . "^#! *rnews +\\([0-9]\\)+ *\n")
+ (article-begin . "^#! *rnews +\\([0-9]+\\) *\n")
(body-end-function . nndoc-rnews-body-end))
- (mbox
- (article-begin .
- ,(let ((delim (concat "^" rmail-unix-mail-delimiter)))
- (if (string-match "\n\\'" delim)
- (substring delim 0 (match-beginning 0))
- delim)))
+ (mbox
+ (article-begin-function . nndoc-mbox-article-begin)
(body-end-function . nndoc-mbox-body-end))
- (babyl
+ (babyl
(article-begin . "\^_\^L *\n")
(body-end . "\^_")
- (head-begin . "^[0-9].*\n"))
+ (body-begin-function . nndoc-babyl-body-begin)
+ (head-begin-function . nndoc-babyl-head-begin))
(forward
(article-begin . "^-+ Start of forwarded message -+\n+")
- (body-end . "^-+ End of forwarded message -+\n"))
- (slack-digest
- (article-begin . "^------------------------------*[\n \t]+")
- (head-end . "^ ?$")
- (body-begin . "^ ?$")
- (file-end . "^End of")
- (prepare-body . nndoc-prepare-digest-body))
+ (body-end . "^-+ End of forwarded message -+$")
+ (prepare-body-function . nndoc-unquote-dashes))
+ (rfc934
+ (article-begin . "^--.*\n+")
+ (body-end . "^--.*$")
+ (prepare-body-function . nndoc-unquote-dashes))
+ (clari-briefs
+ (article-begin . "^ \\*")
+ (body-end . "^\t------*[ \t]^*\n^ \\*")
+ (body-begin . "^\t")
+ (head-end . "^\t")
+ (generate-head-function . nndoc-generate-clari-briefs-head)
+ (article-transform-function . nndoc-transform-clari-briefs))
(mime-digest
(article-begin . "")
(head-end . "^ ?$")
(body-end . "")
- (file-end . ""))
+ (file-end . "")
+ (subtype digest guess))
(standard-digest
- (first-article . ,(concat "^" (make-string 70 ?-) "\n\n"))
- (article-begin . ,(concat "\n\n" (make-string 30 ?-) "\n\n"))
- (prepare-body . nndoc-prepare-digest-body)
+ (first-article . ,(concat "^" (make-string 70 ?-) "\n\n+"))
+ (article-begin . ,(concat "^\n" (make-string 30 ?-) "\n\n+"))
+ (prepare-body-function . nndoc-unquote-dashes)
+ (body-end-function . nndoc-digest-body-end)
+ (head-end . "^ ?$")
+ (body-begin . "^ ?\n")
+ (file-end . "^End of .*digest.*[0-9].*\n\\*\\*\\|^End of.*Digest *$")
+ (subtype digest guess))
+ (slack-digest
+ (article-begin . "^------------------------------*[\n \t]+")
+ (head-end . "^ ?$")
(body-end-function . nndoc-digest-body-end)
- (file-end . "^End of .* Digest"))
- (guess
- (guess . nndoc-guess-type))
+ (body-begin . "^ ?$")
+ (file-end . "^End of")
+ (prepare-body-function . nndoc-unquote-dashes)
+ (subtype digest guess))
+ (lanl-gov-announce
+ (article-begin . "^\\\\\\\\\n")
+ (head-begin . "^Paper.*:")
+ (head-end . "\\(^\\\\\\\\.*\n\\|-----------------\\)")
+ (body-begin . "")
+ (body-end . "-------------------------------------------------")
+ (file-end . "^Title: Recent Seminal")
+ (generate-head-function . nndoc-generate-lanl-gov-head)
+ (article-transform-function . nndoc-transform-lanl-gov-announce)
+ (subtype preprints guess))
+ (guess
+ (guess . t)
+ (subtype nil))
(digest
- (guess . nndoc-guess-digest-type))
+ (guess . t)
+ (subtype nil))
+ (preprints
+ (guess . t)
+ (subtype nil))
))
\f
-(defvar nndoc-file-begin nil)
-(defvar nndoc-first-article nil)
-(defvar nndoc-article-end nil)
-(defvar nndoc-article-begin nil)
-(defvar nndoc-head-begin nil)
-(defvar nndoc-head-end nil)
-(defvar nndoc-file-end nil)
-(defvar nndoc-body-begin nil)
-(defvar nndoc-body-end-function nil)
-(defvar nndoc-body-end nil)
-(defvar nndoc-dissection-alist nil)
-(defvar nndoc-prepare-body nil)
-
-(defvar nndoc-current-server nil)
-(defvar nndoc-server-alist nil)
-(defvar nndoc-server-variables
- (list
- (list 'nndoc-article-type nndoc-article-type)
- '(nndoc-article-begin nil)
- '(nndoc-article-end nil)
- '(nndoc-head-begin nil)
- '(nndoc-head-end nil)
- '(nndoc-first-article nil)
- '(nndoc-current-buffer nil)
- '(nndoc-group-alist nil)
- '(nndoc-end-of-file nil)
- '(nndoc-body-begin nil)
- '(nndoc-address nil)))
+(defvoo nndoc-file-begin nil)
+(defvoo nndoc-first-article nil)
+(defvoo nndoc-article-end nil)
+(defvoo nndoc-article-begin nil)
+(defvoo nndoc-head-begin nil)
+(defvoo nndoc-head-end nil)
+(defvoo nndoc-file-end nil)
+(defvoo nndoc-body-begin nil)
+(defvoo nndoc-body-end-function nil)
+(defvoo nndoc-body-begin-function nil)
+(defvoo nndoc-head-begin-function nil)
+(defvoo nndoc-body-end nil)
+(defvoo nndoc-dissection-alist nil)
+(defvoo nndoc-prepare-body-function nil)
+(defvoo nndoc-generate-head-function nil)
+(defvoo nndoc-article-transform-function nil)
+(defvoo nndoc-article-begin-function nil)
+
+(defvoo nndoc-status-string "")
+(defvoo nndoc-group-alist nil)
+(defvoo nndoc-current-buffer nil
+ "Current nndoc news buffer.")
+(defvoo nndoc-address nil)
(defconst nndoc-version "nndoc 1.0"
"nndoc version.")
-(defvar nndoc-current-buffer nil
- "Current nndoc news buffer.")
-
-(defvar nndoc-address nil)
-
\f
-(defvar nndoc-status-string "")
-
-(defvar nndoc-group-alist nil)
-
;;; Interface functions
-(defun nndoc-retrieve-headers (articles &optional newsgroup server fetch-old)
+(nnoo-define-basics nndoc)
+
+(deffoo nndoc-retrieve-headers (articles &optional newsgroup server fetch-old)
(when (nndoc-possibly-change-buffer newsgroup server)
(save-excursion
(set-buffer nntp-server-buffer)
(if (stringp (car articles))
'headers
(while articles
- (setq entry (cdr (assq (setq article (pop articles))
- nndoc-dissection-alist)))
- (insert (format "221 %d Article retrieved.\n" article))
- (insert-buffer-substring
- nndoc-current-buffer (car entry) (nth 1 entry))
- (goto-char (point-max))
- (or (= (char-after (1- (point))) ?\n) (insert "\n"))
- (insert (format "Lines: %d\n" (nth 4 entry)))
- (insert ".\n"))
-
- ;; Fold continuation lines.
- (goto-char (point-min))
- (while (re-search-forward "\\(\r?\n[ \t]+\\)+" nil t)
- (replace-match " " t t))
- 'headers)))))
-
-(defun nndoc-open-server (server &optional defs)
- (nnheader-init-server-buffer)
- (if (equal server nndoc-current-server)
- t
- (if nndoc-current-server
- (setq nndoc-server-alist
- (cons (list nndoc-current-server
- (nnheader-save-variables nndoc-server-variables))
- nndoc-server-alist)))
- (let ((state (assoc server nndoc-server-alist)))
- (if state
- (progn
- (nnheader-restore-variables (nth 1 state))
- (setq nndoc-server-alist (delq state nndoc-server-alist)))
- (nnheader-set-init-variables nndoc-server-variables defs)))
- (setq nndoc-current-server server)
- t))
-
-(defun nndoc-close-server (&optional server)
- t)
-
-(defun nndoc-server-opened (&optional server)
- (and (equal server nndoc-current-server)
- nntp-server-buffer
- (buffer-name nntp-server-buffer)))
+ (when (setq entry (cdr (assq (setq article (pop articles))
+ nndoc-dissection-alist)))
+ (insert (format "221 %d Article retrieved.\n" article))
+ (if nndoc-generate-head-function
+ (funcall nndoc-generate-head-function article)
+ (insert-buffer-substring
+ nndoc-current-buffer (car entry) (nth 1 entry)))
+ (goto-char (point-max))
+ (unless (= (char-after (1- (point))) ?\n)
+ (insert "\n"))
+ (insert (format "Lines: %d\n" (nth 4 entry)))
+ (insert ".\n")))
-(defun nndoc-status-message (&optional server)
- nndoc-status-string)
+ (nnheader-fold-continuation-lines)
+ 'headers)))))
-(defun nndoc-request-article (article &optional newsgroup server buffer)
+(deffoo nndoc-request-article (article &optional newsgroup server buffer)
(nndoc-possibly-change-buffer newsgroup server)
(save-excursion
(let ((buffer (or buffer nntp-server-buffer))
beg)
(set-buffer buffer)
(erase-buffer)
- (if (stringp article)
- nil
- (insert-buffer-substring
- nndoc-current-buffer (car entry) (nth 1 entry))
- (insert "\n")
- (setq beg (point))
- (insert-buffer-substring
- nndoc-current-buffer (nth 2 entry) (nth 3 entry))
- (goto-char beg)
- (when nndoc-prepare-body
- (funcall nndoc-prepare-body))
- t))))
-
-(defun nndoc-request-group (group &optional server dont-check)
+ (when entry
+ (if (stringp article)
+ nil
+ (insert-buffer-substring
+ nndoc-current-buffer (car entry) (nth 1 entry))
+ (insert "\n")
+ (setq beg (point))
+ (insert-buffer-substring
+ nndoc-current-buffer (nth 2 entry) (nth 3 entry))
+ (goto-char beg)
+ (when nndoc-prepare-body-function
+ (funcall nndoc-prepare-body-function))
+ (when nndoc-article-transform-function
+ (funcall nndoc-article-transform-function article))
+ t)))))
+
+(deffoo nndoc-request-group (group &optional server dont-check)
"Select news GROUP."
- (save-excursion
- (if (not (nndoc-possibly-change-buffer group server))
- (progn
- (setq nndoc-status-string "No such file or buffer")
- nil)
- (if dont-check
- t
- (save-excursion
- (set-buffer nntp-server-buffer)
- (erase-buffer)
- (let ((number (length nndoc-dissection-alist)))
- (if (zerop number)
- (progn
- (nndoc-close-group group)
- nil)
- (insert (format "211 %d %d %d %s\n" number 1 number group))
- t)))))))
-
-(defun nndoc-close-group (group &optional server)
+ (let (number)
+ (cond
+ ((not (nndoc-possibly-change-buffer group server))
+ (nnheader-report 'nndoc "No such file or buffer: %s"
+ nndoc-address))
+ (dont-check
+ (nnheader-report 'nndoc "Selected group %s" group)
+ t)
+ ((zerop (setq number (length nndoc-dissection-alist)))
+ (nndoc-close-group group)
+ (nnheader-report 'nndoc "No articles in group %s" group))
+ (t
+ (nnheader-insert "211 %d %d %d %s\n" number 1 number group)))))
+
+(deffoo nndoc-request-type (group &optional article)
+ (cond ((not article) 'unknown)
+ (nndoc-post-type nndoc-post-type)
+ (t 'unknown)))
+
+(deffoo nndoc-close-group (group &optional server)
(nndoc-possibly-change-buffer group server)
(and nndoc-current-buffer
(buffer-name nndoc-current-buffer)
(setq nndoc-group-alist (delq (assoc group nndoc-group-alist)
nndoc-group-alist))
(setq nndoc-current-buffer nil)
- (setq nndoc-current-server nil)
+ (nnoo-close-server 'nndoc server)
(setq nndoc-dissection-alist nil)
t)
-(defun nndoc-request-list (&optional server)
+(deffoo nndoc-request-list (&optional server)
nil)
-(defun nndoc-request-newgroups (date &optional server)
+(deffoo nndoc-request-newgroups (date &optional server)
nil)
-(defun nndoc-request-list-newsgroups (&optional server)
+(deffoo nndoc-request-list-newsgroups (&optional server)
nil)
-(defalias 'nndoc-request-post 'nnmail-request-post)
-
\f
;;; Internal functions.
(defun nndoc-possibly-change-buffer (group source)
(let (buf)
- (cond
+ (cond
;; The current buffer is this group's buffer.
((and nndoc-current-buffer
(buffer-name nndoc-current-buffer)
- (eq nndoc-current-buffer
+ (eq nndoc-current-buffer
(setq buf (cdr (assoc group nndoc-group-alist))))))
;; We change buffers by taking an old from the group alist.
- ;; `source' is either a string (a file name) or a buffer object.
+ ;; `source' is either a string (a file name) or a buffer object.
(buf
(setq nndoc-current-buffer buf))
- ;; It's a totally new group.
+ ;; It's a totally new group.
((or (and (bufferp nndoc-address)
(buffer-name nndoc-address))
(and (stringp nndoc-address)
(file-exists-p nndoc-address)
(not (file-directory-p nndoc-address))))
- (setq nndoc-group-alist
- (cons (cons group (setq nndoc-current-buffer
- (get-buffer-create
- (concat " *nndoc " group "*"))))
- nndoc-group-alist))
+ (push (cons group (setq nndoc-current-buffer
+ (get-buffer-create
+ (concat " *nndoc " group "*"))))
+ nndoc-group-alist)
(setq nndoc-dissection-alist nil)
(save-excursion
(set-buffer nndoc-current-buffer)
(buffer-disable-undo (current-buffer))
(erase-buffer)
(if (stringp nndoc-address)
- (insert-file-contents nndoc-address)
+ (nnheader-insert-file-contents nndoc-address)
(insert-buffer-substring nndoc-address)))))
+ ;; Initialize the nndoc structures according to this new document.
(when (and nndoc-current-buffer
(not nndoc-dissection-alist))
(save-excursion
(set-buffer nndoc-current-buffer)
(nndoc-set-delims)
- (nndoc-dissect-buffer))
- t)))
+ (nndoc-dissect-buffer)))
+ (unless nndoc-current-buffer
+ (nndoc-close-server))
+ ;; Return whether we managed to select a file.
+ nndoc-current-buffer))
+
+;;;
+;;; Deciding what document type we have
+;;;
+
+(defun nndoc-set-delims ()
+ "Set the nndoc delimiter variables according to the type of the document."
+ (let ((vars '(nndoc-file-begin
+ nndoc-first-article
+ nndoc-article-end nndoc-head-begin nndoc-head-end
+ nndoc-file-end nndoc-article-begin
+ nndoc-body-begin nndoc-body-end-function nndoc-body-end
+ nndoc-prepare-body-function nndoc-article-transform-function
+ nndoc-generate-head-function nndoc-body-begin-function
+ nndoc-head-begin-function)))
+ (while vars
+ (set (pop vars) nil)))
+ (let (defs)
+ ;; Guess away until we find the real file type.
+ (while (assq 'guess (setq defs (cdr (assq nndoc-article-type
+ nndoc-type-alist))))
+ (setq nndoc-article-type (nndoc-guess-type nndoc-article-type)))
+ ;; Set the nndoc variables.
+ (while defs
+ (set (intern (format "nndoc-%s" (caar defs)))
+ (cdr (pop defs))))))
+
+(defun nndoc-guess-type (subtype)
+ (let ((alist nndoc-type-alist)
+ results result entry)
+ (while (and (not result)
+ (setq entry (pop alist)))
+ (when (memq subtype (or (cdr (assq 'subtype entry)) '(guess)))
+ (goto-char (point-min))
+ (when (numberp (setq result (funcall (intern
+ (format "nndoc-%s-type-p"
+ (car entry))))))
+ (push (cons result entry) results)
+ (setq result nil))))
+ (unless (or result results)
+ (error "Document is not of any recognized type"))
+ (if result
+ (car entry)
+ (cadar (sort results (lambda (r1 r2) (< (car r1) (car r2))))))))
+
+;;;
+;;; Built-in type predicates and functions
+;;;
+
+(defun nndoc-mbox-type-p ()
+ (when (looking-at message-unix-mail-delimiter)
+ t))
+
+(defun nndoc-mbox-article-begin ()
+ (when (re-search-forward (concat "^" message-unix-mail-delimiter) nil t)
+ (goto-char (match-beginning 0))))
+
+(defun nndoc-mbox-body-end ()
+ (let ((beg (point))
+ len end)
+ (when
+ (save-excursion
+ (and (re-search-backward
+ (concat "^" message-unix-mail-delimiter) nil t)
+ (setq end (point))
+ (search-forward "\n\n" beg t)
+ (re-search-backward
+ "^Content-Length:[ \t]*\\([0-9]+\\) *$" end t)
+ (setq len (string-to-int (match-string 1)))
+ (search-forward "\n\n" beg t)
+ (unless (= (setq len (+ (point) len)) (point-max))
+ (and (< len (point-max))
+ (goto-char len)
+ (looking-at message-unix-mail-delimiter)))))
+ (goto-char len))))
+
+(defun nndoc-mmdf-type-p ()
+ (when (looking-at "\^A\^A\^A\^A$")
+ t))
+
+(defun nndoc-news-type-p ()
+ (when (looking-at "^Path:.*\n")
+ t))
+
+(defun nndoc-rnews-type-p ()
+ (when (looking-at "#! *rnews")
+ t))
+
+(defun nndoc-rnews-body-end ()
+ (and (re-search-backward nndoc-article-begin nil t)
+ (forward-line 1)
+ (goto-char (+ (point) (string-to-int (match-string 1))))))
+
+(defun nndoc-babyl-type-p ()
+ (when (re-search-forward "\^_\^L *\n" nil t)
+ t))
+
+(defun nndoc-babyl-body-begin ()
+ (re-search-forward "^\n" nil t)
+ (when (looking-at "\*\*\* EOOH \*\*\*")
+ (let ((next (or (save-excursion
+ (re-search-forward nndoc-article-begin nil t))
+ (point-max))))
+ (unless (re-search-forward "^\n" next t)
+ (goto-char next)
+ (forward-line -1)
+ (insert "\n")
+ (forward-line -1)))))
+
+(defun nndoc-babyl-head-begin ()
+ (when (re-search-forward "^[0-9].*\n" nil t)
+ (when (looking-at "\*\*\* EOOH \*\*\*")
+ (forward-line 1))
+ t))
+
+(defun nndoc-forward-type-p ()
+ (when (and (re-search-forward "^-+ Start of forwarded message -+\n+" nil t)
+ (not (re-search-forward "^Subject:.*digest" nil t))
+ (not (re-search-backward "^From:" nil t 2))
+ (not (re-search-forward "^From:" nil t 2)))
+ t))
+
+(defun nndoc-rfc934-type-p ()
+ (when (and (re-search-forward "^-+ Start of forwarded.*\n+" nil t)
+ (not (re-search-forward "^Subject:.*digest" nil t))
+ (not (re-search-backward "^From:" nil t 2))
+ (not (re-search-forward "^From:" nil t 2)))
+ t))
+
+(defun nndoc-clari-briefs-type-p ()
+ (when (let ((case-fold-search nil))
+ (re-search-forward "^\t[^a-z]+ ([^a-z]+) --" nil t))
+ t))
+
+(defun nndoc-transform-clari-briefs (article)
+ (goto-char (point-min))
+ (when (looking-at " *\\*\\(.*\\)\n")
+ (replace-match "" t t))
+ (nndoc-generate-clari-briefs-head article))
-;; MIME (RFC 1341) digest hack by Ulrik Dickow <dickow@nbi.dk>.
-(defun nndoc-guess-digest-type ()
- (let ((case-fold-search t) ; We match a bit too much, keep it simple.
+(defun nndoc-generate-clari-briefs-head (article)
+ (let ((entry (cdr (assq article nndoc-dissection-alist)))
+ subject from)
+ (save-excursion
+ (set-buffer nndoc-current-buffer)
+ (save-restriction
+ (narrow-to-region (car entry) (nth 3 entry))
+ (goto-char (point-min))
+ (when (looking-at " *\\*\\(.*\\)$")
+ (setq subject (match-string 1))
+ (when (string-match "[ \t]+$" subject)
+ (setq subject (substring subject 0 (match-beginning 0)))))
+ (when
+ (let ((case-fold-search nil))
+ (re-search-forward
+ "^\t\\([^a-z]+\\(,[^(]+\\)? ([^a-z]+)\\) --" nil t))
+ (setq from (match-string 1)))))
+ (insert "From: " "clari@clari.net (" (or from "unknown") ")"
+ "\nSubject: " (or subject "(no subject)") "\n")))
+
+(defun nndoc-mime-digest-type-p ()
+ (let ((case-fold-search t)
boundary-id b-delimiter entry)
- (goto-char (point-min))
- (cond
- ;; MIME digest.
- ((and
- (re-search-forward
- (concat "^Content-Type: *multipart/digest;[ \t\n]*[ \t]"
- "boundary=\"\\([^\"\n]*[^\" \t\n]\\)\"")
- nil t)
- (match-beginning 1))
+ (when (and
+ (re-search-forward
+ (concat "^Content-Type: *multipart/digest;[ \t\n]*[ \t]"
+ "boundary=\"\\([^\"\n]*[^\" \t\n]\\)\"")
+ nil t)
+ (match-beginning 1))
(setq boundary-id (match-string 1)
b-delimiter (concat "\n--" boundary-id "[\n \t]+"))
(setq entry (assq 'mime-digest nndoc-type-alist))
(setcdr entry
(list
(cons 'head-end "^ ?$")
- (cons 'body-begin "^ \n")
+ (cons 'body-begin "^ ?\n")
(cons 'article-begin b-delimiter)
(cons 'body-end-function 'nndoc-digest-body-end)
-; (cons 'body-end
-; (concat "\n--" boundary-id "\\(--\\)?[\n \t]+"))
(cons 'file-end (concat "\n--" boundary-id "--[ \t]*$"))))
- 'mime-digest)
- ((and (re-search-forward (concat "^" (make-string 70 ?-) "\n\n") nil t)
- (re-search-forward
- (concat "\n\n" (make-string 30 ?-) "\n\n") nil t))
- 'standard-digest)
- ;; Stupid digest.
- (t
- 'slack-digest))))
+ t)))
-(defun nndoc-guess-type ()
- "Guess what document type is in the current buffer."
- (goto-char (point-min))
- (cond
- ((looking-at rmail-unix-mail-delimiter)
- 'mbox)
- ((looking-at "\^A\^A\^A\^A$")
- 'mmdf)
- ((looking-at "^Path:.*\n")
- 'rnews)
- ((save-excursion
- (and (re-search-forward "^-+ Start of forwarded message -+\n+" nil t)
- (not (re-search-forward "^Subject:.*digest" nil t))))
- 'forward)
- ((re-search-forward "\^_\^L *\n" nil t)
- 'babyl)
- ((re-search-forward "^Path: .*!" nil t)
- 'news)
- (t
- 'digest)))
+(defun nndoc-standard-digest-type-p ()
+ (when (and (re-search-forward (concat "^" (make-string 70 ?-) "\n\n") nil t)
+ (re-search-forward
+ (concat "\n\n" (make-string 30 ?-) "\n\n") nil t))
+ t))
-(defun nndoc-set-delims ()
- (let ((vars '(nndoc-file-begin
- nndoc-first-article
- nndoc-article-end nndoc-head-begin nndoc-head-end
- nndoc-file-end nndoc-article-begin
- nndoc-body-begin nndoc-body-end-function nndoc-body-end
- nndoc-prepare-body)))
- (while vars
- (set (pop vars) nil)))
- (let* (defs guess)
- ;; Guess away until we find the real file type.
- (while (setq defs (cdr (assq nndoc-article-type nndoc-type-alist))
- guess (assq 'guess defs))
- (setq nndoc-article-type (funcall (cdr guess))))
- (while defs
- (set (intern (format "nndoc-%s" (car (car defs))))
- (cdr (pop defs))))))
+(defun nndoc-digest-body-end ()
+ (and (re-search-forward nndoc-article-begin nil t)
+ (goto-char (match-beginning 0))))
+
+(defun nndoc-slack-digest-type-p ()
+ 0)
+
+(defun nndoc-lanl-gov-announce-type-p ()
+ (when (let ((case-fold-search nil))
+ (re-search-forward "^\\\\\\\\\nPaper: [a-z-]+/[0-9]+" nil t))
+ t))
+
+(defun nndoc-transform-lanl-gov-announce (article)
+ (goto-char (point-max))
+ (when (re-search-backward "^\\\\\\\\ +(\\([^ ]*\\) , *\\([^ ]*\\))" nil t)
+ (replace-match "\n\nGet it at \\1 (\\2)" t nil))
+ ;; (when (re-search-backward "^\\\\\\\\$" nil t)
+ ;; (replace-match "" t t))
+ )
+
+(defun nndoc-generate-lanl-gov-head (article)
+ (let ((entry (cdr (assq article nndoc-dissection-alist)))
+ (e-mail "no address given")
+ subject from)
+ (save-excursion
+ (set-buffer nndoc-current-buffer)
+ (save-restriction
+ (narrow-to-region (car entry) (nth 1 entry))
+ (goto-char (point-min))
+ (when (looking-at "^Paper.*: \\([a-z-]+/[0-9]+\\)")
+ (setq subject (concat " (" (match-string 1) ")"))
+ (when (re-search-forward "^From: \\([^ ]+\\)" nil t)
+ (setq e-mail (match-string 1)))
+ (when (re-search-forward "^Title: \\([^\f]*\\)\nAuthors?: \\(.*\\)"
+ nil t)
+ (setq subject (concat (match-string 1) subject))
+ (setq from (concat (match-string 2) " <" e-mail ">"))))
+ ))
+ (while (and from (string-match "(\[^)\]*)" from))
+ (setq from (replace-match "" t t from)))
+ (insert "From: " (or from "unknown")
+ "\nSubject: " (or subject "(no subject)") "\n")))
+
+
+
+;;;
+;;; Functions for dissecting the documents
+;;;
(defun nndoc-search (regexp)
(prog1
(beginning-of-line)))
(defun nndoc-dissect-buffer ()
+ "Go through the document and partition it into heads/bodies/articles."
(let ((i 0)
(first t)
head-begin head-end body-begin body-end)
;; Go through the file.
(while (if (and first nndoc-first-article)
(nndoc-search nndoc-first-article)
- (nndoc-search nndoc-article-begin))
+ (nndoc-article-begin))
(setq first nil)
- (when nndoc-head-begin
- (nndoc-search nndoc-head-begin))
- (setq head-begin (point))
- (nndoc-search (or nndoc-head-end "^$"))
- (setq head-end (point))
- (nndoc-search (or nndoc-body-begin "^\n"))
- (setq body-begin (point))
- (or (and nndoc-body-end-function
- (funcall nndoc-body-end-function))
- (and nndoc-body-end
- (nndoc-search nndoc-body-end))
- (nndoc-search nndoc-article-begin)
- (progn
- (goto-char (point-max))
- (when nndoc-file-end
- (and (re-search-backward nndoc-file-end nil t)
- (beginning-of-line)))))
- (setq body-end (point))
- (push (list (incf i) head-begin head-end body-begin body-end
- (count-lines body-begin body-end))
- nndoc-dissection-alist)))))
-
-(defun nndoc-prepare-digest-body ()
+ (cond (nndoc-head-begin-function
+ (funcall nndoc-head-begin-function))
+ (nndoc-head-begin
+ (nndoc-search nndoc-head-begin)))
+ (if (or (>= (point) (point-max))
+ (and nndoc-file-end
+ (looking-at nndoc-file-end)))
+ (goto-char (point-max))
+ (setq head-begin (point))
+ (nndoc-search (or nndoc-head-end "^$"))
+ (setq head-end (point))
+ (if nndoc-body-begin-function
+ (funcall nndoc-body-begin-function)
+ (nndoc-search (or nndoc-body-begin "^\n")))
+ (setq body-begin (point))
+ (or (and nndoc-body-end-function
+ (funcall nndoc-body-end-function))
+ (and nndoc-body-end
+ (nndoc-search nndoc-body-end))
+ (nndoc-article-begin)
+ (progn
+ (goto-char (point-max))
+ (when nndoc-file-end
+ (and (re-search-backward nndoc-file-end nil t)
+ (beginning-of-line)))))
+ (setq body-end (point))
+ (push (list (incf i) head-begin head-end body-begin body-end
+ (count-lines body-begin body-end))
+ nndoc-dissection-alist))))))
+
+(defun nndoc-article-begin ()
+ (if nndoc-article-begin-function
+ (funcall nndoc-article-begin-function)
+ (ignore-errors
+ (nndoc-search nndoc-article-begin))))
+
+(defun nndoc-unquote-dashes ()
"Unquote quoted non-separators in digests."
(while (re-search-forward "^- -"nil t)
(replace-match "-" t t)))
-(defun nndoc-digest-body-end ()
- (and (re-search-forward nndoc-article-begin nil t)
- (goto-char (match-beginning 0))))
-
-(defun nndoc-mbox-body-end ()
- (let ((beg (point))
- len end)
- (when
- (save-excursion
- (and (re-search-backward nndoc-article-begin nil t)
- (setq end (point))
- (search-forward "\n\n" beg t)
- (re-search-backward "^Content-Length: \\([0-9]+\\) *$" end t)
- (setq len (string-to-int (match-string 1)))
- (search-forward "\n\n" beg t)
- (or (= (setq len (+ (point) len)) (point-max))
- (and (< len (point-max))
- (goto-char len)
- (looking-at nndoc-article-begin)))))
- (goto-char len))))
-
-(defun nndoc-rnews-body-end ()
- (save-excursion
- (and (re-search-backward nndoc-article-begin nil t)
- (goto-char (+ (point) (string-to-int (match-string 1)))))))
+;;;###autoload
+(defun nndoc-add-type (definition &optional position)
+ "Add document DEFINITION to the list of nndoc document definitions.
+If POSITION is nil or `last', the definition will be added
+as the last checked definition, if t or `first', add as the
+first definition, and if any other symbol, add after that
+symbol in the alist."
+ ;; First remove any old instances.
+ (setq nndoc-type-alist
+ (delq (assq (car definition) nndoc-type-alist)
+ nndoc-type-alist))
+ ;; Then enter the new definition in the proper place.
+ (cond
+ ((or (null position) (eq position 'last))
+ (setq nndoc-type-alist (nconc nndoc-type-alist (list definition))))
+ ((or (eq position t) (eq position 'first))
+ (push definition nndoc-type-alist))
+ (t
+ (let ((list (memq (assq position nndoc-type-alist)
+ nndoc-type-alist)))
+ (unless list
+ (error "No such position: %s" position))
+ (setcdr list (cons definition (cdr list)))))))
(provide 'nndoc)
projects / gnus / blobdiff