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* nndoc.el (nndoc-mime-digest-type-p): Set proper file-end.

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* nndoc.el: Add several new types.
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ShengHuo ZHU 2002-06-21 18:56:00 +00:00
parent 3e7b2fa787
commit b092f83d7f
2 changed files with 242 additions and 79 deletions
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5
lisp/gnus/ChangeLog
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@ -1,10 +1,13 @@
2002-06-15 ShengHuo ZHU <zsh@cs.rochester.edu>
2002-06-21 ShengHuo ZHU <zsh@cs.rochester.edu>
* nnheader.el (nnheader-file-name-translation-alist): Set the
default value for MS Windows systems.
* gnus-ems.el (nnheader-file-name-translation-alist): Removed.
* nndoc.el (nndoc-mime-digest-type-p): Set proper file-end.
* nndoc.el: Add several new types.
2002-05-16 Juanma Barranquero <lektu@terra.es>
* gnus-art.el (gnus-mime-copy-part): Fix typo.

316
lisp/gnus/nndoc.el
View file

@ -1,9 +1,9 @@
;;; nndoc.el --- single file access for Gnus
;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000
;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
;; Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
;; Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
;; Keywords: news
;; This file is part of GNU Emacs.
@ -25,6 +25,8 @@
;;; Commentary:
;; For Outlook mail boxes format, see http://mbx2mbox.sourceforge.net/
;;; Code:
(require 'nnheader)
@ -41,7 +43,8 @@
"*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' or `guess'.")
`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'.")
@ -55,6 +58,9 @@ from the document.")
`((mmdf
(article-begin . "^\^A\^A\^A\^A\n")
(body-end . "^\^A\^A\^A\^A\n"))
(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))
(nsmail
(article-begin . "^From - "))
(news
@ -70,14 +76,14 @@ 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.*$")
(prepare-body-function . nndoc-unquote-dashes))
(rfc934
(article-begin . "^--.*\n+")
(body-end . "^--.*$")
(prepare-body-function . nndoc-unquote-dashes))
(mailman
(article-begin . "^--__--__--\n\nMessage:")
(body-end . "^--__--__--$")
(prepare-body-function . nndoc-unquote-dashes))
(clari-briefs
(article-begin . "^ \\*")
(body-end . "^\t------*[ \t]^*\n^ \\*")
@ -117,8 +123,8 @@ from the document.")
(head-begin . "^Paper.*:")
(head-end . "\\(^\\\\\\\\.*\n\\|-----------------\\)")
(body-begin . "")
(body-end . "-------------------------------------------------")
(file-end . "^Title: Recent Seminal")
(body-end . "\\(-------------------------------------------------\\|%-%-%-%-%-%-%-%-%-%-%-%-%-%-\\|%%--%%--%%--%%--%%--%%--%%--%%--\\|%%%---%%%---%%%---%%%---\\)")
(file-end . "\\(^Title: Recent Seminal\\|%%%---%%%---%%%---%%%---\\)")
(generate-head-function . nndoc-generate-lanl-gov-head)
(article-transform-function . nndoc-transform-lanl-gov-announce)
(subtype preprints guess))
@ -128,6 +134,16 @@ from the document.")
(outlook
(article-begin-function . nndoc-outlook-article-begin)
(body-end . "\0"))
(oe-dbx ;; Outlook Express DBX format
(dissection-function . nndoc-oe-dbx-dissection)
(generate-head-function . nndoc-oe-dbx-generate-head)
(generate-article-function . nndoc-oe-dbx-generate-article))
(forward
(article-begin . "^-+ \\(Start of \\)?forwarded message.*\n+")
(body-end . "^-+ End \\(of \\)?forwarded message.*$")
(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))
@ -138,6 +154,9 @@ 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)
@ -163,6 +182,8 @@ from the document.")
(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)
@ -213,8 +234,11 @@ 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")
@ -226,7 +250,7 @@ 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)
"Select news GROUP."
@ -246,8 +270,8 @@ from the document.")
(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)
@ -299,10 +323,14 @@ from the document.")
(save-excursion
(set-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))
@ -331,7 +359,9 @@ from the document.")
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-head-begin-function
nndoc-generate-article-function
nndoc-dissection-function)))
(while vars
(set (pop vars) nil)))
(let (defs)
@ -436,11 +466,9 @@ from the document.")
t))
(defun nndoc-forward-type-p ()
(when (and (re-search-forward "^-+ \\(Start of \\)?forwarded message.*\n+"
(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)))
(looking-at "[\r\n]*[a-zA-Z][a-zA-Z0-9-]*:"))
t))
(defun nndoc-rfc934-type-p ()
@ -450,6 +478,10 @@ 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)
@ -520,6 +552,13 @@ 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)
@ -540,7 +579,7 @@ from the document.")
(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]*$"))))
t)))
(defun nndoc-standard-digest-type-p ()
@ -558,35 +597,54 @@ from the document.")
(defun nndoc-lanl-gov-announce-type-p ()
(when (let ((case-fold-search nil))
(re-search-forward "^\\\\\\\\\nPaper: [a-z-]+/[0-9]+" nil t))
(re-search-forward "^\\\\\\\\\nPaper\\( (\\*cross-listing\\*)\\)?: [a-zA-Z-\\.]+/[0-9]+" nil t))
t))
(defun nndoc-transform-lanl-gov-announce (article)
(goto-char (point-max))
(when (re-search-backward "^\\\\\\\\ +(\\([^ ]*\\) , *\\([^ ]*\\))" nil t)
(replace-match "\n\nGet it at \\1 (\\2)" t nil)))
(when (re-search-backward "^\\\\\\\\ +( *\\([^ ]*\\) , *\\([^ ]*\\))" nil t)
(replace-match "\n\nGet it at \\1 (\\2)" t nil))
(goto-char (point-min))
(while (re-search-forward "^\\\\\\\\$" 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"))))
(defun nndoc-generate-lanl-gov-head (article)
(let ((entry (cdr (assq article nndoc-dissection-alist)))
(e-mail "no address given")
subject from)
(from "<no address given>")
subject date)
(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 ">"))))))
(narrow-to-region (car entry) (nth 1 entry))
(goto-char (point-min))
(when (looking-at "^Paper.*: \\([a-zA-Z-\\.]+/[0-9]+\\)")
(setq subject (concat " (" (match-string 1) ")"))
(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))))
(defun nndoc-nsmail-type-p ()
(when (looking-at "From - ")
@ -600,10 +658,106 @@ from the document.")
;; 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$" nil t)
(delete-backward-char 1))
(when head
(goto-char begin)
(when (search-forward "\n\n" nil t)
(setcar (cddddr entry) (count-lines (point) (point-max)))
(delete-region (1- (point)) (point-max))))
t))
(defun nndoc-oe-dbx-generate-head (article)
(nndoc-oe-dbx-generate-article article 'head))
(defun nndoc-mail-in-mail-type-p ()
(let (found)
(save-excursion
(catch 'done
(while (re-search-forward "\n\n[-A-Za-z0-9]+:" nil t)
(setq found 0)
(forward-line)
(while (looking-at "[ \t]\\|[-A-Za-z0-9]+:")
(if (looking-at "[-A-Za-z0-9]+:")
(setq found (1+ found)))
(forward-line))
(if (and (> found 0) (looking-at "\n"))
(throw 'done 9999)))
nil))))
(defun nndoc-mail-in-mail-article-begin ()
(let (point found)
(if (catch 'done
(while (re-search-forward "\n\n\\([-A-Za-z0-9]+:\\)" nil t)
(setq found 0)
(setq point (match-beginning 1))
(forward-line)
(while (looking-at "[ \t]\\|[-A-Za-z0-9]+:")
(if (looking-at "[-A-Za-z0-9]+:")
(setq found (1+ found)))
(forward-line))
(if (and (> found 0) (looking-at "\n"))
(throw 'done t)))
nil)
(goto-char point))))
(deffoo nndoc-request-accept-article (group &optional server last)
nil)
;;;
;;; Functions for dissecting the documents
;;;
@ -625,43 +779,45 @@ from the document.")
;; Remove blank lines.
(while (eq (following-char) ?\n)
(delete-char 1))
;; Find the beginning of the file.
(when nndoc-file-begin
(nndoc-search nndoc-file-begin))
;; Go through the file.
(while (if (and first nndoc-first-article)
(nndoc-search nndoc-first-article)
(nndoc-article-begin))
(setq first nil)
(cond (nndoc-head-begin-function
(funcall nndoc-head-begin-function))
(nndoc-head-begin
(nndoc-search nndoc-head-begin)))
(if (or (eobp)
(and nndoc-file-end
(looking-at nndoc-file-end)))
(goto-char (point-max))
(setq head-begin (point))
(nndoc-search (or nndoc-head-end "^$"))
(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))))))
(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
@ -736,6 +892,10 @@ PARENT is the message-ID of the parent summary line, or nil for none."
(unless article-insert
(setq article-insert (buffer-substring (point-min) (point-max))
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