+++ /dev/null
-;;; nndoc.el --- single file access for Gnus
-;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000
-;; Free Software Foundation, Inc.
-
-;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
-;; Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
-;; Keywords: news
-
-;; This file is part of GNU Emacs.
-
-;; GNU Emacs is free software; you can redistribute it and/or modify
-;; it under the terms of the GNU General Public License as published by
-;; the Free Software Foundation; either version 2, or (at your option)
-;; any later version.
-
-;; GNU Emacs is distributed in the hope that it will be useful,
-;; but WITHOUT ANY WARRANTY; without even the implied warranty of
-;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-;; GNU General Public License for more details.
-
-;; You should have received a copy of the GNU General Public License
-;; along with GNU Emacs; see the file COPYING. If not, write to the
-;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-;; Boston, MA 02111-1307, USA.
-
-;;; Commentary:
-
-;; For Outlook mail boxes format, see http://mbx2mbox.sourceforge.net/
-
-;;; Code:
-
-(eval-when-compile (require 'cl))
-
-(require 'nnheader)
-(require 'message)
-(require 'nnmail)
-(require 'nnoo)
-(require 'gnus-util)
-
-(nnoo-declare nndoc)
-
-(defvoo nndoc-article-type 'guess
- "*Type of the file.
-One of `mbox', `babyl', `digest', `news', `rnews', `mmdf', `forward',
-`rfc934', `rfc822-forward', `mime-parts', `standard-digest',
-`slack-digest', `clari-briefs', `nsmail', `outlook', `oe-dbx' or
-`guess'.")
-
-(defvoo nndoc-post-type 'mail
- "*Whether the nndoc group is `mail' or `post'.")
-
-(defvoo nndoc-open-document-hook 'nnheader-ms-strip-cr
- "Hook run after opening a document.
-The default function removes all trailing carriage returns
-from the document.")
-
-(defvar nndoc-type-alist
- `((mmdf
- (article-begin . "^\^A\^A\^A\^A\n")
- (body-end . "^\^A\^A\^A\^A\n"))
- (nsmail
- (article-begin . "^From - "))
- (news
- (article-begin . "^Path:"))
- (rnews
- (article-begin . "^#! *rnews +\\([0-9]+\\) *\n")
- (body-end-function . nndoc-rnews-body-end))
- (mbox
- (article-begin-function . nndoc-mbox-article-begin)
- (body-end-function . nndoc-mbox-body-end))
- (babyl
- (article-begin . "\^_\^L *\n")
- (body-end . "\^_")
- (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.*$")
- (prepare-body-function . nndoc-unquote-dashes))
- (rfc934
- (article-begin . "^--.*\n+")
- (body-end . "^--.*$")
- (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-begin . "^ ?\n")
- (head-end . "^ ?$")
- (body-end . "")
- (file-end . "")
- (subtype digest guess))
- (mime-parts
- (generate-head-function . nndoc-generate-mime-parts-head)
- (article-transform-function . nndoc-transform-mime-parts))
- (standard-digest
- (first-article . ,(concat "^" (make-string 70 ?-) "\n *\n+"))
- (article-begin . ,(concat "^\n" (make-string 30 ?-) "\n *\n+"))
- (prepare-body-function . nndoc-unquote-dashes)
- (body-end-function . nndoc-digest-body-end)
- (head-end . "^ *$")
- (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)
- (body-begin . "^ ?$")
- (file-end . "^End of")
- (prepare-body-function . nndoc-unquote-dashes)
- (subtype digest guess))
- (lanl-gov-announce
- (article-begin . "^\\\\\\\\\n")
- (head-begin . "^Paper.*:")
- (head-end . "\\(^\\\\\\\\.*\n\\|-----------------\\)")
- (body-begin . "")
- (body-end . "-------------------------------------------------")
- (file-end . "^Title: Recent Seminal")
- (generate-head-function . nndoc-generate-lanl-gov-head)
- (article-transform-function . nndoc-transform-lanl-gov-announce)
- (subtype preprints guess))
- (rfc822-forward
- (article-begin . "^\n")
- (body-end-function . nndoc-rfc822-forward-body-end-function))
- (outlook
- (article-begin-function . nndoc-outlook-article-begin)
- (body-end . "\0"))
- (oe-dbx ;; Outlook Express DBX format
- (dissection-function . nndoc-oe-dbx-dissection)
- (generate-head-function . nndoc-oe-dbx-generate-head)
- (generate-article-function . nndoc-oe-dbx-generate-article))
- (guess
- (guess . t)
- (subtype nil))
- (digest
- (guess . t)
- (subtype nil))
- (preprints
- (guess . t)
- (subtype nil))))
-
-(defvar nndoc-binary-file-names ".[Dd][Bb][Xx]$"
- "Regexp for binary nndoc file names.")
-
-\f
-(defvoo nndoc-file-begin nil)
-(defvoo nndoc-first-article 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)
-;; nndoc-dissection-alist is a list of sublists. Each sublist holds the
-;; following items. ARTICLE acts as the association key and is an ordinal
-;; starting at 1. HEAD-BEGIN [0], HEAD-END [1], BODY-BEGIN [2] and BODY-END
-;; [3] are positions in the `nndoc' buffer. LINE-COUNT [4] is a count of
-;; lines in the body. For MIME dissections only, ARTICLE-INSERT [5] and
-;; SUMMARY-INSERT [6] give headers to insert for full article or summary line
-;; generation, respectively. Other headers usually follow directly from the
-;; buffer. Value `nil' means no insert.
-(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-generate-article-function nil)
-(defvoo nndoc-dissection-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.")
-
-\f
-
-;;; Interface functions
-
-(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)
- (erase-buffer)
- (let (article entry)
- (if (stringp (car articles))
- 'headers
- (while articles
- (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 (eq (char-after (1- (point))) ?\n)
- (insert "\n"))
- (insert (format "Lines: %d\n" (nth 4 entry)))
- (insert ".\n")))
-
- (nnheader-fold-continuation-lines)
- 'headers)))))
-
-(deffoo nndoc-request-article (article &optional newsgroup server buffer)
- (nndoc-possibly-change-buffer newsgroup server)
- (save-excursion
- (let ((buffer (or buffer nntp-server-buffer))
- (entry (cdr (assq article nndoc-dissection-alist)))
- beg)
- (set-buffer buffer)
- (erase-buffer)
- (when entry
- (cond
- ((stringp article) nil)
- (nndoc-generate-article-function
- (funcall nndoc-generate-article-function article))
- (t
- (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
- ((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)
- (kill-buffer nndoc-current-buffer))
- (setq nndoc-group-alist (delq (assoc group nndoc-group-alist)
- nndoc-group-alist))
- (setq nndoc-current-buffer nil)
- (nnoo-close-server 'nndoc server)
- (setq nndoc-dissection-alist nil)
- t)
-
-(deffoo nndoc-request-list (&optional server)
- nil)
-
-(deffoo nndoc-request-newgroups (date &optional server)
- nil)
-
-(deffoo nndoc-request-list-newsgroups (&optional server)
- nil)
-
-\f
-;;; Internal functions.
-
-(defun nndoc-possibly-change-buffer (group source)
- (let (buf)
- (cond
- ;; The current buffer is this group's buffer.
- ((and nndoc-current-buffer
- (buffer-name 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.
- (buf
- (setq nndoc-current-buffer buf))
- ;; 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
- (concat " *nndoc " group "*"))))
- nndoc-group-alist)
- (setq nndoc-dissection-alist nil)
- (save-excursion
- (set-buffer nndoc-current-buffer)
- (erase-buffer)
- (if (and (stringp nndoc-address)
- (string-match nndoc-binary-file-names nndoc-address))
- (let ((coding-system-for-read 'binary))
- (mm-insert-file-contents nndoc-address))
- (if (stringp nndoc-address)
- (nnheader-insert-file-contents nndoc-address)
- (insert-buffer-substring nndoc-address))
- (run-hooks 'nndoc-open-document-hook)))))
- ;; 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)
- (if (eq nndoc-article-type 'mime-parts)
- (nndoc-dissect-mime-parts)
- (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-begin-function
- 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
- nndoc-generate-article-function
- nndoc-dissection-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))
- ;; Remove blank lines.
- (while (eq (following-char) ?\n)
- (delete-char 1))
- (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 'car-less-than-car)))))
-
-;;;
-;;; 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)
- (looking-at "[\r\n]*[a-zA-Z][a-zA-Z0-9-]*:"))
- 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-rfc822-forward-type-p ()
- (save-restriction
- (message-narrow-to-head)
- (when (re-search-forward "^Content-Type: *message/rfc822" nil t)
- t)))
-
-(defun nndoc-rfc822-forward-body-end-function ()
- (goto-char (point-max)))
-
-(defun nndoc-mime-parts-type-p ()
- (let ((case-fold-search t)
- (limit (search-forward "\n\n" nil t)))
- (goto-char (point-min))
- (when (and limit
- (re-search-forward
- (concat "\
-^Content-Type:[ \t]*multipart/[a-z]+ *; *\\(\\(\n[ \t]\\)?.*;\\)*"
- "\\(\n[ \t]\\)?[ \t]*boundary=\"?[^\"\n]*[^\" \t\n]")
- limit t))
- t)))
-
-(defun nndoc-transform-mime-parts (article)
- (let* ((entry (cdr (assq article nndoc-dissection-alist)))
- (headers (nth 5 entry)))
- (when headers
- (goto-char (point-min))
- (insert headers))))
-
-(defun nndoc-generate-mime-parts-head (article)
- (let* ((entry (cdr (assq article nndoc-dissection-alist)))
- (headers (nth 6 entry)))
- (save-restriction
- (narrow-to-region (point) (point))
- (insert-buffer-substring
- nndoc-current-buffer (car entry) (nth 1 entry))
- (goto-char (point-max)))
- (when headers
- (insert headers))))
-
-(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))
-
-(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)
- (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 "[ \t]*$"))
- (setq entry (assq 'mime-digest nndoc-type-alist))
- (setcdr entry
- (list
- (cons 'head-begin "^ ?\n")
- (cons 'head-end "^ ?$")
- (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
- (concat "\n\n" (make-string 30 ?-) "\n\n") nil t))
- t))
-
-(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)))
-
-(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")))
-
-(defun nndoc-nsmail-type-p ()
- (when (looking-at "From - ")
- t))
-
-(defun nndoc-outlook-article-begin ()
- (prog1 (re-search-forward "From:\\|Received:" nil t)
- (goto-char (match-beginning 0))))
-
-(defun nndoc-outlook-type-p ()
- ;; FIXME: Is JMF the magic of outlook mailbox? -- ShengHuo.
- (looking-at "JMF"))
-
-(defun nndoc-oe-dbx-type-p ()
- (looking-at (mm-string-as-multibyte "\317\255\022\376")))
-
-(defun nndoc-read-little-endian ()
- (+ (prog1 (char-after) (forward-char 1))
- (lsh (prog1 (char-after) (forward-char 1)) 8)
- (lsh (prog1 (char-after) (forward-char 1)) 16)
- (lsh (prog1 (char-after) (forward-char 1)) 24)))
-
-(defun nndoc-oe-dbx-decode-block ()
- (list
- (nndoc-read-little-endian) ;; this address
- (nndoc-read-little-endian) ;; next address offset
- (nndoc-read-little-endian) ;; blocksize
- (nndoc-read-little-endian))) ;; next address
-
-(defun nndoc-oe-dbx-dissection ()
- (let ((i 0) blk p tp)
- (goto-char 60117) ;; 0x0000EAD4+1
- (setq p (point))
- (unless (eobp)
- (setq blk (nndoc-oe-dbx-decode-block)))
- (while (and blk (> (car blk) 0) (or (zerop (nth 3 blk))
- (> (nth 3 blk) p)))
- (push (list (incf i) p nil nil nil 0) nndoc-dissection-alist)
- (while (and (> (car blk) 0) (> (nth 3 blk) p))
- (goto-char (1+ (nth 3 blk)))
- (setq blk (nndoc-oe-dbx-decode-block)))
- (if (or (<= (car blk) p)
- (<= (nth 1 blk) 0)
- (not (zerop (nth 3 blk))))
- (setq blk nil)
- (setq tp (+ (car blk) (nth 1 blk) 17))
- (if (or (<= tp p) (>= tp (point-max)))
- (setq blk nil)
- (goto-char tp)
- (setq p tp
- blk (nndoc-oe-dbx-decode-block)))))))
-
-(defun nndoc-oe-dbx-generate-article (article &optional head)
- (let ((entry (cdr (assq article nndoc-dissection-alist)))
- (cur (current-buffer))
- (begin (point))
- blk p)
- (with-current-buffer nndoc-current-buffer
- (setq p (car entry))
- (while (> p (point-min))
- (goto-char p)
- (setq blk (nndoc-oe-dbx-decode-block))
- (setq p (point))
- (with-current-buffer cur
- (insert-buffer-substring nndoc-current-buffer p (+ p (nth 2 blk))))
- (setq p (1+ (nth 3 blk)))))
- (goto-char begin)
- (while (re-search-forward "\r$" nil t)
- (delete-backward-char 1))
- (when head
- (goto-char begin)
- (when (search-forward "\n\n" nil t)
- (setcar (cddddr entry) (count-lines (point) (point-max)))
- (delete-region (1- (point)) (point-max))))
- t))
-
-(defun nndoc-oe-dbx-generate-head (article)
- (nndoc-oe-dbx-generate-article article 'head))
-
-(deffoo nndoc-request-accept-article (group &optional server last)
- nil)
-
-;;;
-;;; Functions for dissecting the documents
-;;;
-
-(defun nndoc-search (regexp)
- (prog1
- (re-search-forward regexp nil t)
- (beginning-of-line)))
-
-(defun nndoc-dissect-buffer ()
- "Go through the document and partition it into heads/bodies/articles."
- (let ((i 0)
- (first t)
- head-begin head-end body-begin body-end)
- (setq nndoc-dissection-alist nil)
- (save-excursion
- (set-buffer nndoc-current-buffer)
- (goto-char (point-min))
- ;; Remove blank lines.
- (while (eq (following-char) ?\n)
- (delete-char 1))
- (if nndoc-dissection-function
- (funcall nndoc-dissection-function)
- ;; Find the beginning of the file.
- (when nndoc-file-begin
- (nndoc-search nndoc-file-begin))
- ;; Go through the file.
- (while (if (and first nndoc-first-article)
- (nndoc-search nndoc-first-article)
- (nndoc-article-begin))
- (setq first nil)
- (cond (nndoc-head-begin-function
- (funcall nndoc-head-begin-function))
- (nndoc-head-begin
- (nndoc-search nndoc-head-begin)))
- (if (or (eobp)
- (and nndoc-file-end
- (looking-at nndoc-file-end)))
- (goto-char (point-max))
- (setq head-begin (point))
- (nndoc-search (or nndoc-head-end "^$"))
- (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)))
-
-;; Against compiler warnings.
-(defvar nndoc-mime-split-ordinal)
-
-(defun nndoc-dissect-mime-parts ()
- "Go through a MIME composite article and partition it into sub-articles.
-When a MIME entity contains sub-entities, dissection produces one article for
-the header of this entity, and one article per sub-entity."
- (setq nndoc-dissection-alist nil
- nndoc-mime-split-ordinal 0)
- (save-excursion
- (set-buffer nndoc-current-buffer)
- (nndoc-dissect-mime-parts-sub (point-min) (point-max) nil nil nil)))
-
-(defun nndoc-dissect-mime-parts-sub (head-begin body-end article-insert
- position parent)
- "Dissect an entity, within a composite MIME message.
-The complete message or MIME entity extends from HEAD-BEGIN to BODY-END.
-ARTICLE-INSERT should be added at beginning for generating a full article.
-The string POSITION holds a dotted decimal representation of the article
-position in the hierarchical structure, it is nil for the outer entity.
-PARENT is the message-ID of the parent summary line, or nil for none."
- (let ((case-fold-search t)
- (message-id (nnmail-message-id))
- head-end body-begin summary-insert message-rfc822 multipart-any
- subject content-type type subtype boundary-regexp)
- ;; Gracefully handle a missing body.
- (goto-char head-begin)
- (if (or (and (eq (char-after) ?\n) (or (forward-char 1) t))
- (search-forward "\n\n" body-end t))
- (setq head-end (1- (point))
- body-begin (point))
- (setq head-end body-end
- body-begin body-end))
- (narrow-to-region head-begin head-end)
- ;; Save MIME attributes.
- (goto-char head-begin)
- (setq content-type (message-fetch-field "Content-Type"))
- (when content-type
- (when (string-match
- "^ *\\([^ \t\n/;]+\\)/\\([^ \t\n/;]+\\)" content-type)
- (setq type (downcase (match-string 1 content-type))
- subtype (downcase (match-string 2 content-type))
- message-rfc822 (and (string= type "message")
- (string= subtype "rfc822"))
- multipart-any (string= type "multipart")))
- (when (string-match ";[ \t\n]*name=\\([^ \t\n;]+\\)" content-type)
- (setq subject (match-string 1 content-type)))
- (when (string-match "boundary=\"?\\([^\"\n]*[^\" \t\n]\\)" content-type)
- (setq boundary-regexp (concat "^--"
- (regexp-quote
- (match-string 1 content-type))
- "\\(--\\)?[ \t]*\n"))))
- (unless subject
- (when (or multipart-any (not article-insert))
- (setq subject (message-fetch-field "Subject"))))
- (unless type
- (setq type "text"
- subtype "plain"))
- ;; Prepare the article and summary inserts.
- (unless article-insert
- (setq article-insert (buffer-substring (point-min) (point-max))
- head-end head-begin))
- (setq summary-insert article-insert)
- ;; - summary Subject.
- (setq summary-insert
- (let ((line (concat "Subject: <" position
- (and position multipart-any ".")
- (and multipart-any "*")
- (and (or position multipart-any) " ")
- (cond ((string= subtype "plain") type)
- ((string= subtype "basic") type)
- (t subtype))
- ">"
- (and subject " ")
- subject
- "\n")))
- (if (string-match "Subject:.*\n\\([ \t].*\n\\)*" summary-insert)
- (replace-match line t t summary-insert)
- (concat summary-insert line))))
- ;; - summary Message-ID.
- (setq summary-insert
- (let ((line (concat "Message-ID: " message-id "\n")))
- (if (string-match "Message-ID:.*\n\\([ \t].*\n\\)*" summary-insert)
- (replace-match line t t summary-insert)
- (concat summary-insert line))))
- ;; - summary References.
- (when parent
- (setq summary-insert
- (let ((line (concat "References: " parent "\n")))
- (if (string-match "References:.*\n\\([ \t].*\n\\)*"
- summary-insert)
- (replace-match line t t summary-insert)
- (concat summary-insert line)))))
- ;; Generate dissection information for this entity.
- (push (list (incf nndoc-mime-split-ordinal)
- head-begin head-end body-begin body-end
- (count-lines body-begin body-end)
- article-insert summary-insert)
- nndoc-dissection-alist)
- ;; Recurse for all sub-entities, if any.
- (widen)
- (cond
- (message-rfc822
- (save-excursion
- (nndoc-dissect-mime-parts-sub body-begin body-end nil
- position message-id)))
- ((and multipart-any boundary-regexp)
- (let ((part-counter 0)
- part-begin part-end eof-flag)
- (while (string-match "\
-^\\(Lines\\|Content-\\(Type\\|Transfer-Encoding\\|Disposition\\)\\):.*\n\\([ \t].*\n\\)*"
- article-insert)
- (setq article-insert (replace-match "" t t article-insert)))
- (let ((case-fold-search nil))
- (goto-char body-begin)
- (setq eof-flag (not (re-search-forward boundary-regexp body-end t)))
- (while (not eof-flag)
- (setq part-begin (point))
- (cond ((re-search-forward boundary-regexp body-end t)
- (or (not (match-string 1))
- (string= (match-string 1) "")
- (setq eof-flag t))
- (forward-line -1)
- (setq part-end (point))
- (forward-line 1))
- (t (setq part-end body-end
- eof-flag t)))
- (save-excursion
- (nndoc-dissect-mime-parts-sub
- part-begin part-end article-insert
- (concat position
- (and position ".")
- (format "%d" (incf part-counter)))
- message-id)))))))))
-
-;;;###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.
- (gnus-pull (car definition) 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)
-
-;;; nndoc.el ends here
projects / elisp / gnus.git- / blobdiff