-;; Copyright (C) 1995,96 Free Software Foundation, Inc.
+;;; nndoc.el --- single file access for Gnus
+;; Copyright (C) 1995,96,97 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
;; Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
(defvoo nndoc-article-type 'guess
"*Type of the file.
One of `mbox', `babyl', `digest', `news', `rnews', `mmdf', `forward',
-`mime-digest', `standard-digest', `slack-digest', `clari-briefs' or
-`guess'.")
+`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
(rnews
(article-begin . "^#! *rnews +\\([0-9]+\\) *\n")
(body-end-function . nndoc-rnews-body-end))
- (mbox
- (article-begin .
- ,(let ((delim (concat "^" message-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 . "\^_")
(body-begin-function . nndoc-babyl-body-begin)
(article-begin . "^-+ Start of forwarded message -+\n+")
(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^ \\*")
(subtype digest guess))
(standard-digest
(first-article . ,(concat "^" (make-string 70 ?-) "\n\n+"))
- (article-begin . ,(concat "\n\n" (make-string 30 ?-) "\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 . "^ ?$")
(body-begin . "^ ?$")
(file-end . "^End of")
(prepare-body-function . nndoc-unquote-dashes)
- (subtype digest)) ;; impossible to really guess?
+ (subtype digest guess))
(lanl-gov-announce
(article-begin . "^\\\\\\\\\n")
(head-begin . "^Paper.*:")
(head-end . "\\(^\\\\\\\\.*\n\\|-----------------\\)")
- (body-begin . "")
- (body-end . "-------------------------------------------------")
+ (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
(guess . t)
(subtype nil))
(digest
(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)
(insert-buffer-substring
nndoc-current-buffer (car entry) (nth 1 entry)))
(goto-char (point-max))
- (or (= (char-after (1- (point))) ?\n) (insert "\n"))
+ (unless (= (char-after (1- (point))) ?\n)
+ (insert "\n"))
(insert (format "Lines: %d\n" (nth 4 entry)))
(insert ".\n")))
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-function
- (funcall nndoc-prepare-body-function))
- (when nndoc-article-transform-function
- (funcall nndoc-article-transform-function article))
- t))))
+ (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."
(let (number)
- (cond
+ (cond
((not (nndoc-possibly-change-buffer group server))
(nnheader-report 'nndoc "No such file or buffer: %s"
nndoc-address))
(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))))
- (push (cons group (setq nndoc-current-buffer
- (get-buffer-create
+ (push (cons group (setq nndoc-current-buffer
+ (get-buffer-create
(concat " *nndoc " group "*"))))
nndoc-group-alist)
(setq nndoc-dissection-alist nil)
(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
(defun nndoc-set-delims ()
"Set the nndoc delimiter variables according to the type of the document."
- (let ((vars '(nndoc-file-begin
- nndoc-first-article
+ (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
(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
+ (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.
(when (memq subtype (or (cdr (assq 'subtype entry)) '(guess)))
(goto-char (point-min))
(when (numberp (setq result (funcall (intern
- (format "nndoc-%s-type-p"
+ (format "nndoc-%s-type-p"
(car entry))))))
(push (cons result entry) results)
(setq result nil))))
(car entry)
(cadar (sort results (lambda (r1 r2) (< (car r1) (car r2))))))))
-;;;
+;;;
;;; Built-in type predicates and functions
;;;
(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 nndoc-article-begin nil t)
+ (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]+\\) *$" end t)
(setq len (string-to-int (match-string 1)))
(search-forward "\n\n" beg t)
- (or (= (setq len (+ (point) len)) (point-max))
- (and (< len (point-max))
- (goto-char len)
- (looking-at nndoc-article-begin)))))
+ (unless (= (setq len (+ (point) len)) (point-max))
+ (and (< len (point-max))
+ (goto-char len)
+ (looking-at message-unix-mail-delimiter)))))
(goto-char len))))
(defun nndoc-mmdf-type-p ()
(defun nndoc-babyl-body-begin ()
(re-search-forward "^\n" nil t)
(when (looking-at "\*\*\* EOOH \*\*\*")
- (re-search-forward "^\n" nil t)))
+ (let ((next (or (save-excursion
+ (re-search-forward nndoc-article-begin nil t))
+ (point-max))))
+ (unless (re-search-forward "^\n" next t)
+ (goto-char next)
+ (forward-line -1)
+ (insert "\n")
+ (forward-line -1)))))
(defun nndoc-babyl-head-begin ()
(when (re-search-forward "^[0-9].*\n" nil t)
(defun nndoc-forward-type-p ()
(when (and (re-search-forward "^-+ Start of forwarded message -+\n+" nil t)
- (not (re-search-forward "^Subject:.*digest" nil t)))
+ (not (re-search-forward "^Subject:.*digest" nil t))
+ (not (re-search-backward "^From:" nil t 2))
+ (not (re-search-forward "^From:" nil t 2)))
+ t))
+
+(defun nndoc-rfc934-type-p ()
+ (when (and (re-search-forward "^-+ Start of forwarded.*\n+" nil t)
+ (not (re-search-forward "^Subject:.*digest" nil t))
+ (not (re-search-backward "^From:" nil t 2))
+ (not (re-search-forward "^From:" nil t 2)))
t))
(defun nndoc-clari-briefs-type-p ()
(defun nndoc-mime-digest-type-p ()
(let ((case-fold-search t)
boundary-id b-delimiter entry)
- (when (and
- (re-search-forward
- (concat "^Content-Type: *multipart/digest;[ \t\n]*[ \t]"
- "boundary=\"\\([^\"\n]*[^\" \t\n]\\)\"")
- nil t)
- (match-beginning 1))
- (setq boundary-id (match-string 1)
- b-delimiter (concat "\n--" boundary-id "[\n \t]+"))
- (setq entry (assq 'mime-digest nndoc-type-alist))
- (setcdr entry
- (list
- (cons 'head-end "^ ?$")
- (cons 'body-begin "^ ?\n")
- (cons 'article-begin b-delimiter)
- (cons 'body-end-function 'nndoc-digest-body-end)
- (cons 'file-end (concat "\n--" boundary-id "--[ \t]*$"))))
- t)))
+ (when (and
+ (re-search-forward
+ (concat "^Content-Type: *multipart/digest;[ \t\n]*[ \t]"
+ "boundary=\"\\([^\"\n]*[^\" \t\n]\\)\"")
+ nil t)
+ (match-beginning 1))
+ (setq boundary-id (match-string 1)
+ b-delimiter (concat "\n--" boundary-id "[\n \t]+"))
+ (setq entry (assq 'mime-digest nndoc-type-alist))
+ (setcdr entry
+ (list
+ (cons 'head-end "^ ?$")
+ (cons 'body-begin "^ ?\n")
+ (cons 'article-begin b-delimiter)
+ (cons 'body-end-function 'nndoc-digest-body-end)
+ (cons 'file-end (concat "\n--" boundary-id "--[ \t]*$"))))
+ t)))
(defun nndoc-standard-digest-type-p ()
(when (and (re-search-forward (concat "^" (make-string 70 ?-) "\n\n") nil t)
- (re-search-forward
+ (re-search-forward
(concat "\n\n" (make-string 30 ?-) "\n\n") nil t))
t))
;; (when (re-search-backward "^\\\\\\\\$" 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")
(setq from (replace-match "" t t from)))
(insert "From: " (or from "unknown")
"\nSubject: " (or subject "(no subject)") "\n")))
-
+
;;;
;; 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)
(cond (nndoc-head-begin-function
(funcall nndoc-head-begin-function))
- (nndoc-head-begin
+ (nndoc-head-begin
(nndoc-search nndoc-head-begin)))
- (if (or (>= (point) (point-max)) (and nndoc-file-end
- (looking-at nndoc-file-end)))
+ (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 "^$"))
(funcall nndoc-body-end-function))
(and nndoc-body-end
(nndoc-search nndoc-body-end))
- (nndoc-search nndoc-article-begin)
+ (nndoc-article-begin)
(progn
(goto-char (point-max))
(when nndoc-file-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)
projects / gnus / blobdiff