X-Git-Url: http://cgit.sxemacs.org/?p=gnus;a=blobdiff_plain;f=lisp%2Fnndoc.el;h=9c28cb128078604c5c10cf6fa52d1132b23ae6e1;hp=0092ac06aefd7ee6bd50470c0f48a1c14415b104;hb=9ff43b22e07294fa5393fdea5c1e90a86edbe717;hpb=deb6f0bca02ca58c55e75a9cb5965fdc869aec37 diff --git a/lisp/nndoc.el b/lisp/nndoc.el index 0092ac06a..9c28cb128 100644 --- a/lisp/nndoc.el +++ b/lisp/nndoc.el @@ -1,16 +1,17 @@ ;;; nndoc.el --- single file access for Gnus -;; Copyright (C) 1995,96,97,98 Free Software Foundation, Inc. + +;; Copyright (C) 1995-2013 Free Software Foundation, Inc. ;; Author: Lars Magne Ingebrigtsen -;; Masanobu UMEDA +;; Masanobu UMEDA ;; Keywords: news ;; This file is part of GNU Emacs. -;; GNU Emacs is free software; you can redistribute it and/or modify +;; 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. +;; the Free Software Foundation, either version 3 of the License, 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 @@ -18,18 +19,20 @@ ;; 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. +;; along with GNU Emacs. If not, see . ;;; Commentary: +;; For Outlook mail boxes format, see http://mbx2mbox.sourceforge.net/ + ;;; Code: (require 'nnheader) (require 'message) (require 'nnmail) (require 'nnoo) +(require 'gnus-util) +(require 'mm-util) (eval-when-compile (require 'cl)) (nnoo-declare nndoc) @@ -37,8 +40,9 @@ (defvoo nndoc-article-type 'guess "*Type of the file. One of `mbox', `babyl', `digest', `news', `rnews', `mmdf', `forward', -`rfc934', `rfc822-forward', `mime-digest', `standard-digest', -`slack-digest', `clari-briefs' or `guess'.") +`rfc934', `rfc822-forward', `mime-parts', `standard-digest', +`slack-digest', `clari-briefs', `nsmail', `outlook', `oe-dbx', +`mailman', `exim-bounce', or `guess'.") (defvoo nndoc-post-type 'mail "*Whether the nndoc group is `mail' or `post'.") @@ -46,12 +50,21 @@ One of `mbox', `babyl', `digest', `news', `rnews', `mmdf', `forward', (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.") +from the document.") (defvar nndoc-type-alist `((mmdf (article-begin . "^\^A\^A\^A\^A\n") (body-end . "^\^A\^A\^A\^A\n")) + (mime-digest + (article-begin . "") + (head-begin . "^ ?\n") + (head-end . "^ ?$") + (body-end . "") + (file-end . "") + (subtype digest guess)) + (nsmail + (article-begin . "^From - ")) (news (article-begin . "^Path:")) (rnews @@ -65,14 +78,20 @@ from the document.") (body-end . "\^_") (body-begin-function . nndoc-babyl-body-begin) (head-begin-function . nndoc-babyl-head-begin)) - (forward - (article-begin . "^-+ Start of forwarded message -+\n+") - (body-end . "^-+ End of forwarded message -+$") - (prepare-body-function . nndoc-unquote-dashes)) + (mime-parts + (generate-head-function . nndoc-generate-mime-parts-head) + (article-transform-function . nndoc-transform-mime-parts)) + (exim-bounce + (article-begin . "^------ This is a copy of the message, including all the headers. ------\n\n") + (body-end-function . nndoc-exim-bounce-body-end-function)) (rfc934 (article-begin . "^--.*\n+") (body-end . "^--.*$") (prepare-body-function . nndoc-unquote-dashes)) + (mailman + (article-begin . "^--__--__--\n\nMessage:") + (body-end . "^--__--__--$") + (prepare-body-function . nndoc-unquote-dashes)) (clari-briefs (article-begin . "^ \\*") (body-end . "^\t------*[ \t]^*\n^ \\*") @@ -80,12 +99,7 @@ from the document.") (head-end . "^\t") (generate-head-function . nndoc-generate-clari-briefs-head) (article-transform-function . nndoc-transform-clari-briefs)) - (mime-digest - (article-begin . "") - (head-end . "^ ?$") - (body-end . "") - (file-end . "") - (subtype digest guess)) + (standard-digest (first-article . ,(concat "^" (make-string 70 ?-) "\n *\n+")) (article-begin . ,(concat "^\n" (make-string 30 ?-) "\n *\n+")) @@ -103,19 +117,52 @@ from the document.") (file-end . "^End of") (prepare-body-function . nndoc-unquote-dashes) (subtype digest guess)) + (google + (pre-dissection-function . nndoc-decode-content-transfer-encoding) + (article-begin . "^== [0-9]+ of [0-9]+ ==$") + (head-begin . "^Date:") + (head-end . "^$") + (body-end-function . nndoc-digest-body-end) + (body-begin . "^$") + (file-end . "^==============================================================================$") + (prepare-body-function . nndoc-unquote-dashes) + (subtype digest guess)) (lanl-gov-announce (article-begin . "^\\\\\\\\\n") - (head-begin . "^Paper.*:") + (head-begin . "^\\(Paper.*:\\|arXiv:\\)") (head-end . "\\(^\\\\\\\\.*\n\\|-----------------\\)") (body-begin . "") - (body-end . "-------------------------------------------------") - (file-end . "^Title: Recent Seminal") + (body-end . "\\(-------------------------------------------------\\|%-%-%-%-%-%-%-%-%-%-%-%-%-%-\\|%%--%%--%%--%%--%%--%%--%%--%%--\\|%%%---%%%---%%%---%%%---\\)") + (file-end . "\\(^Title: Recent Seminal\\|%%%---%%%---%%%---%%%---\\)") (generate-head-function . nndoc-generate-lanl-gov-head) (article-transform-function . nndoc-transform-lanl-gov-announce) (subtype preprints guess)) + (git + (file-begin . "\n- Log ---.*") + (article-begin . "^commit ") + (head-begin . "^Author: ") + (body-begin . "^$") + (file-end . "\n-----------------------------------------------------------------------") + (article-transform-function . nndoc-transform-git-article) + (header-transform-function . nndoc-transform-git-headers)) (rfc822-forward - (article-begin . "^\n") - (body-end-function . nndoc-rfc822-forward-body-end-function)) + (article-begin . "^\n+") + (body-end-function . nndoc-rfc822-forward-body-end-function) + (generate-head-function . nndoc-rfc822-forward-generate-head) + (generate-article-function . nndoc-rfc822-forward-generate-article)) + (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)) + (forward + (article-begin . "^-+ \\(Start of \\)?forwarded message.*\n+") + (body-end . "^-+ End \\(of \\)?forwarded message.*$") + (prepare-body-function . nndoc-unquote-dashes)) + (mail-in-mail ;; Wild guess on mailer daemon's messages or others + (article-begin-function . nndoc-mail-in-mail-article-begin)) (guess (guess . t) (subtype nil)) @@ -126,11 +173,12 @@ from the document.") (guess . t) (subtype nil)))) - +(defvar nndoc-binary-file-names ".[Dd][Bb][Xx]$" + "Regexp for binary nndoc file names.") + (defvoo nndoc-file-begin nil) (defvoo nndoc-first-article nil) -(defvoo nndoc-article-end nil) (defvoo nndoc-article-begin nil) (defvoo nndoc-head-begin nil) (defvoo nndoc-head-end nil) @@ -140,11 +188,23 @@ from the document.") (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-header-transform-function nil) (defvoo nndoc-article-begin-function nil) +(defvoo nndoc-generate-article-function nil) +(defvoo nndoc-dissection-function nil) +(defvoo nndoc-pre-dissection-function nil) (defvoo nndoc-status-string "") (defvoo nndoc-group-alist nil) @@ -163,8 +223,7 @@ from the document.") (deffoo nndoc-retrieve-headers (articles &optional newsgroup server fetch-old) (when (nndoc-possibly-change-buffer newsgroup server) - (save-excursion - (set-buffer nntp-server-buffer) + (with-current-buffer nntp-server-buffer (erase-buffer) (let (article entry) (if (stringp (car articles)) @@ -172,17 +231,22 @@ from the document.") (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 (= (char-after (1- (point))) ?\n) - (insert "\n")) - (insert (format "Lines: %d\n" (nth 4 entry))) - (insert ".\n"))) - + (let ((start (point))) + (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") + (when nndoc-header-transform-function + (save-excursion + (save-restriction + (narrow-to-region start (point)) + (funcall nndoc-header-transform-function entry))))))) (nnheader-fold-continuation-lines) 'headers))))) @@ -195,8 +259,11 @@ from the document.") (set-buffer buffer) (erase-buffer) (when entry - (if (stringp article) - nil + (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") @@ -208,9 +275,9 @@ from the document.") (funcall nndoc-prepare-body-function)) (when nndoc-article-transform-function (funcall nndoc-article-transform-function article)) - t))))) + t)))))) -(deffoo nndoc-request-group (group &optional server dont-check) +(deffoo nndoc-request-group (group &optional server dont-check info) "Select news GROUP." (let (number) (cond @@ -226,10 +293,15 @@ from the document.") (t (nnheader-insert "211 %d %d %d %s\n" number 1 number group))))) +(deffoo nndoc-retrieve-groups (groups &optional server) + (dolist (group groups) + (nndoc-request-group group server)) + t) + (deffoo nndoc-request-type (group &optional article) (cond ((not article) 'unknown) - (nndoc-post-type nndoc-post-type) - (t 'unknown))) + (nndoc-post-type nndoc-post-type) + (t 'unknown))) (deffoo nndoc-close-group (group &optional server) (nndoc-possibly-change-buffer group server) @@ -244,7 +316,7 @@ from the document.") t) (deffoo nndoc-request-list (&optional server) - nil) + t) (deffoo nndoc-request-newgroups (date &optional server) nil) @@ -278,21 +350,24 @@ from the document.") (concat " *nndoc " group "*")))) nndoc-group-alist) (setq nndoc-dissection-alist nil) - (save-excursion - (set-buffer nndoc-current-buffer) - (buffer-disable-undo (current-buffer)) + (with-current-buffer nndoc-current-buffer (erase-buffer) - (if (stringp nndoc-address) - (nnheader-insert-file-contents nndoc-address) - (insert-buffer-substring nndoc-address)) - (run-hooks 'nndoc-open-document-hook)))) + (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) + (with-current-buffer nndoc-current-buffer (nndoc-set-delims) - (nndoc-dissect-buffer))) + (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. @@ -306,12 +381,17 @@ from the document.") "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-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-header-transform-function nndoc-generate-head-function nndoc-body-begin-function - nndoc-head-begin-function))) + nndoc-head-begin-function + nndoc-generate-article-function + nndoc-dissection-function + nndoc-pre-dissection-function))) (while vars (set (pop vars) nil))) (let (defs) @@ -331,6 +411,9 @@ from the document.") (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)))))) @@ -340,7 +423,7 @@ from the document.") (error "Document is not of any recognized type")) (if result (car entry) - (cadar (sort results 'car-less-than-car))))) + (cadar (last (sort results 'car-less-than-car)))))) ;;; ;;; Built-in type predicates and functions @@ -365,7 +448,7 @@ from the document.") (search-forward "\n\n" beg t) (re-search-backward "^Content-Length:[ \t]*\\([0-9]+\\) *$" end t) - (setq len (string-to-int (match-string 1))) + (setq len (string-to-number (match-string 1))) (search-forward "\n\n" beg t) (unless (= (setq len (+ (point) len)) (point-max)) (and (< len (point-max)) @@ -388,7 +471,23 @@ from the document.") (defun nndoc-rnews-body-end () (and (re-search-backward nndoc-article-begin nil t) (forward-line 1) - (goto-char (+ (point) (string-to-int (match-string 1)))))) + (goto-char (+ (point) (string-to-number (match-string 1)))))) + +(defun nndoc-google-type-p () + (when (re-search-forward "^=3D=3D 1 of [0-9]+ =3D=3D$" nil t) + t)) + +(defun nndoc-decode-content-transfer-encoding () + (let ((encoding + (save-restriction + (message-narrow-to-head) + (message-fetch-field "content-transfer-encoding")))) + (when (and encoding + (search-forward "\n\n" nil t)) + (save-restriction + (narrow-to-region (point) (point-max)) + (mm-decode-content-transfer-encoding + (intern (downcase (mail-header-strip encoding)))))))) (defun nndoc-babyl-type-p () (when (re-search-forward "\^_\^L *\n" nil t) @@ -413,10 +512,9 @@ from the document.") 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))) + (when (and (re-search-forward "^-+ \\(Start of \\)?forwarded message.*\n+" + nil t) + (looking-at "[\r\n]*[a-zA-Z][a-zA-Z0-9-]*:\\|^>?From ")) t)) (defun nndoc-rfc934-type-p () @@ -426,6 +524,10 @@ from the document.") (not (re-search-forward "^From:" nil t 2))) t)) +(defun nndoc-mailman-type-p () + (when (re-search-forward "^--__--__--\n+" nil t) + t)) + (defun nndoc-rfc822-forward-type-p () (save-restriction (message-narrow-to-head) @@ -435,6 +537,59 @@ from the document.") (defun nndoc-rfc822-forward-body-end-function () (goto-char (point-max))) +(defun nndoc-rfc822-forward-generate-article (article &optional head) + (let ((entry (cdr (assq article nndoc-dissection-alist))) + (begin (point)) + encoding) + (with-current-buffer nndoc-current-buffer + (save-restriction + (message-narrow-to-head) + (setq encoding (message-fetch-field "content-transfer-encoding")))) + (insert-buffer-substring nndoc-current-buffer (car entry) (nth 3 entry)) + (when encoding + (save-restriction + (narrow-to-region begin (point-max)) + (mm-decode-content-transfer-encoding + (intern (downcase (mail-header-strip encoding)))))) + (when head + (goto-char begin) + (when (search-forward "\n\n" nil t) + (delete-region (1- (point)) (point-max))))) + t) + +(defun nndoc-rfc822-forward-generate-head (article) + (nndoc-rfc822-forward-generate-article article 'head)) + +(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)) @@ -449,8 +604,7 @@ from the document.") (defun nndoc-generate-clari-briefs-head (article) (let ((entry (cdr (assq article nndoc-dissection-alist))) subject from) - (save-excursion - (set-buffer nndoc-current-buffer) + (with-current-buffer nndoc-current-buffer (save-restriction (narrow-to-region (car entry) (nth 3 entry)) (goto-char (point-min)) @@ -466,25 +620,34 @@ from the document.") (insert "From: " "clari@clari.net (" (or from "unknown") ")" "\nSubject: " (or subject "(no subject)") "\n"))) +(defun nndoc-exim-bounce-type-p () + (and (re-search-forward "^------ This is a copy of the message, including all the headers. ------" nil t) + t)) + +(defun nndoc-exim-bounce-body-end-function () + (goto-char (point-max))) + + (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]\\)\"") + "boundary=\"?\\([^\"\n]*[^\" \t\n]\\)") nil t) (match-beginning 1)) (setq boundary-id (match-string 1) - b-delimiter (concat "\n--" boundary-id "[\n \t]+")) + 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]*$")))) + (cons 'file-end (concat "^--" boundary-id "--[ \t]*$")))) t))) (defun nndoc-standard-digest-type-p () @@ -500,46 +663,194 @@ from the document.") (defun nndoc-slack-digest-type-p () 0) +(defun nndoc-git-type-p () + (and (search-forward "\n- Log ---" nil t) + (search-forward "\ncommit " nil t) + (search-forward "\nAuthor: " nil t))) + +(defun nndoc-transform-git-article (article) + (goto-char (point-min)) + (when (re-search-forward "^Author: " nil t) + (replace-match "From: " t t))) + +(defun nndoc-transform-git-headers (entry) + (goto-char (point-min)) + (when (re-search-forward "^Author: " nil t) + (replace-match "From: " t t)) + (let (subject) + (with-current-buffer nndoc-current-buffer + (goto-char (car entry)) + (when (search-forward "\n\n" nil t) + (setq subject (buffer-substring (point) (line-end-position))))) + (when subject + (goto-char (point-min)) + (forward-line 1) + (insert (format "Subject: %s\n" subject))))) + (defun nndoc-lanl-gov-announce-type-p () (when (let ((case-fold-search nil)) - (re-search-forward "^\\\\\\\\\nPaper: [a-z-]+/[0-9]+" nil t)) + (re-search-forward "^\\\\\\\\\n\\(Paper\\( (\\*cross-listing\\*)\\)?: [a-zA-Z-\\.]+/[0-9]+\\|arXiv:\\)" 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)) - ) + (let ((case-fold-search nil)) + (goto-char (point-max)) + (when (re-search-backward "^\\\\\\\\ +( *\\([^ ]*\\) , *\\([^ ]*\\))" nil t) + (replace-match "\n\nGet it at \\1 (\\2)" t nil)) + (goto-char (point-min)) + (while (re-search-forward "^\\\\\\\\$" nil t) + (replace-match "" t nil)) + (goto-char (point-min)) + (when (re-search-forward "^replaced with revised version +\\(.*[^ ]\\) +" nil t) + (replace-match "Date: \\1 (revised) " t nil)) + (goto-char (point-min)) + (unless (re-search-forward "^From" nil t) + (goto-char (point-min)) + (when (re-search-forward "^Authors?: \\(.*\\)" nil t) + (goto-char (point-min)) + (insert "From: " (match-string 1) "\n"))) + (when (re-search-forward "^arXiv:" nil t) + (replace-match "Paper: arXiv:" 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) + (from "") + subject date) + (with-current-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 ">")))) - )) + (narrow-to-region (car entry) (nth 1 entry)) + (goto-char (point-min)) + (when (looking-at "^\\(Paper.*: \\|arXiv:\\)\\([0-9a-zA-Z-\\./]+\\)") + (setq subject (concat " (" (match-string 2) ")")) + (when (re-search-forward "^From: \\(.*\\)" nil t) + (setq from (concat "<" + (cadr (funcall gnus-extract-address-components + (match-string 1))) ">"))) + (if (re-search-forward "^Date: +\\([^(]*\\)" nil t) + (setq date (match-string 1)) + (when (re-search-forward "^replaced with revised version +\\([^(]*\\)" nil t) + (setq date (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) " " from)))))) (while (and from (string-match "(\[^)\]*)" from)) (setq from (replace-match "" t t from))) (insert "From: " (or from "unknown") - "\nSubject: " (or subject "(no subject)") "\n"))) + "\nSubject: " (or subject "(no subject)") "\n") + (if date (insert "Date: " date)))) -(deffoo nndoc-request-accept-article (group &optional server last) - nil) +(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-to-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-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)) + +(defun nndoc-mail-in-mail-type-p () + (let (found) + (save-excursion + (catch 'done + (while (re-search-forward "\n\n[-A-Za-z0-9]+:" nil t) + (setq found 0) + (forward-line) + (while (looking-at "[ \t]\\|[-A-Za-z0-9]+:") + (if (looking-at "[-A-Za-z0-9]+:") + (setq found (1+ found))) + (forward-line)) + (if (and (> found 0) (looking-at "\n")) + (throw 'done 9999))) + nil)))) + +(defun nndoc-mail-in-mail-article-begin () + (let (point found) + (if (catch 'done + (while (re-search-forward "\n\n\\([-A-Za-z0-9]+:\\)" nil t) + (setq found 0) + (setq point (match-beginning 1)) + (forward-line) + (while (looking-at "[ \t]\\|[-A-Za-z0-9]+:") + (if (looking-at "[-A-Za-z0-9]+:") + (setq found (1+ found))) + (forward-line)) + (if (and (> found 0) (looking-at "\n")) + (throw 'done t))) + nil) + (goto-char point)))) +(deffoo nndoc-request-accept-article (group &optional server last) + nil) ;;; ;;; Functions for dissecting the documents @@ -554,48 +865,60 @@ from the document.") "Go through the document and partition it into heads/bodies/articles." (let ((i 0) (first t) - head-begin head-end body-begin body-end) + art-begin head-begin head-end body-begin body-end) (setq nndoc-dissection-alist nil) - (save-excursion - (set-buffer nndoc-current-buffer) + (with-current-buffer nndoc-current-buffer (goto-char (point-min)) - ;; 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 (>= (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)))))) + ;; Remove blank lines. + (while (eq (following-char) ?\n) + (delete-char 1)) + (when nndoc-pre-dissection-function + (save-excursion + (funcall nndoc-pre-dissection-function))) + (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) + (if art-begin + (goto-char art-begin) + (nndoc-article-begin))) + (setq first nil + art-begin 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)) + (and (nndoc-article-begin) + (setq art-begin (point))) + (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))))) + (setq nndoc-dissection-alist (nreverse nndoc-dissection-alist)))) (defun nndoc-article-begin () (if nndoc-article-begin-function @@ -608,6 +931,190 @@ from the document.") (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) + (with-current-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 + (with-temp-buffer + (insert content-type) + (goto-char (point-min)) + (when (re-search-forward ";[\t\n ]*name=\\([\"']\\|\\([^\t\n\r ]+\\)\\)" + nil t) + (setq subject (or (match-string 2) + (progn + (goto-char (match-beginning 1)) + (condition-case nil + (progn + (forward-sexp 1) + (buffer-substring + (1+ (match-beginning 1)) (1- (point)))) + (error nil))))))) + (when (or (string-match "^ *\\([^ \t\n/;]+\\)/\\([^ \t\n/;]+\\)" + content-type) + ;; Guess Content-Type from the file name extention. + ;; Some mailer sends a part without type like this: + ;; Content-Type: ; name="IMG_3156.JPG" + ;; Content-Disposition: attachment; filename="IMG_3156.JPG" + (let ((tem (message-fetch-field "Content-Disposition")) + (case-fold-search t) + len) + (when (and + (setq tem + (or (and tem + (mail-content-type-get + (mail-header-parse-content-disposition + tem) + 'filename)) + subject)) + (setq tem (file-name-extension tem)) + (require 'mailcap) + (setq content-type + (cdr (assoc (concat "." (downcase tem)) + mailcap-mime-extensions))) + (string-match "^ *\\([^ \t\n/;]+\\)/\\([^ \t\n/;]+\\)" + content-type)) + (save-match-data + (goto-char (point-min)) + (when (re-search-forward "^Content-Type:\\([^;]*\\);" + nil t) + (setq len (- (match-end 1) (match-beginning 1) + (length content-type) 1) + head-end (- head-end len) + body-begin (- body-begin len) + body-end (- body-end len)) + (replace-match (concat "Content-Type: " content-type + ";")))) + t))) + (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 "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-string) + head-end head-begin)) + ;; Fix MIME-Version + (unless (string-match "MIME-Version:" article-insert) + (setq article-insert + (concat article-insert "MIME-Version: 1.0\n"))) + (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. @@ -616,7 +1123,7 @@ 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) + (gnus-alist-pull (car definition) nndoc-type-alist) ;; Then enter the new definition in the proper place. (cond ((or (null position) (eq position 'last))