X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=lisp%2Fnndoc.el;fp=lisp%2Fnndoc.el;h=0000000000000000000000000000000000000000;hb=b369cf058148bbe6dee0154df7bcc2a7c0cc63d0;hp=5c115b74cd7245d6dad019396792c64bcab4fd74;hpb=73430ac519bb1723c621b7b393a1e37c949e4c16;p=elisp%2Fgnus.git- diff --git a/lisp/nndoc.el b/lisp/nndoc.el deleted file mode 100644 index 5c115b7..0000000 --- a/lisp/nndoc.el +++ /dev/null @@ -1,922 +0,0 @@ -;;; nndoc.el --- single file access for Gnus -;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000 -;; Free Software Foundation, Inc. - -;; Author: Lars Magne Ingebrigtsen -;; Masanobu UMEDA -;; 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.") - - -(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.") - - - -;;; 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) - - -;;; 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