X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=lisp%2Fnndoc.el;h=0da245a7caba1962eb523d2e8a206590165c93e5;hb=dac9f07550d29e8325dfb4d122848173dd660635;hp=f573b2d011b6caf3558ba449ea303cdda95312ec;hpb=30d9f23f0291edcefeca1958befadb992d2982b5;p=elisp%2Fgnus.git- diff --git a/lisp/nndoc.el b/lisp/nndoc.el index f573b2d..0da245a 100644 --- a/lisp/nndoc.el +++ b/lisp/nndoc.el @@ -1,5 +1,5 @@ ;;; nndoc.el --- single file access for Gnus -;; Copyright (C) 1995,96,97,98,99 Free Software Foundation, Inc. +;; Copyright (C) 1995,96,97,98 Free Software Foundation, Inc. ;; Author: Lars Magne Ingebrigtsen ;; Masanobu UMEDA @@ -38,7 +38,7 @@ (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', +`rfc934', `rfc822-forward', `mime-digest', `mime-parts', `standard-digest', `slack-digest', `clari-briefs' or `guess'.") (defvoo nndoc-post-type 'mail @@ -47,7 +47,7 @@ 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 @@ -81,6 +81,12 @@ 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)) (mime-parts (generate-head-function . nndoc-generate-mime-parts-head) (article-transform-function . nndoc-transform-mime-parts)) @@ -137,13 +143,10 @@ from the document.") (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. +;; following items. ARTICLE is an ordinal starting at 1. HEAD-BEGIN, +;; HEAD-END, BODY-BEGIN and BODY-END are positions in the `nndoc' buffer. +;; LINE-COUNT is a count of lines in the body. SUBJECT, MESSAGE-ID and +;; REFERENCES, only present for MIME dissections, are field values. (defvoo nndoc-dissection-alist nil) (defvoo nndoc-prepare-body-function nil) (defvoo nndoc-generate-head-function nil) @@ -155,6 +158,8 @@ from the document.") (defvoo nndoc-current-buffer nil "Current nndoc news buffer.") (defvoo nndoc-address nil) +(defvoo nndoc-mime-header nil) +(defvoo nndoc-mime-subject nil) (defconst nndoc-version "nndoc 1.0" "nndoc version.") @@ -182,7 +187,7 @@ from the document.") (insert-buffer-substring nndoc-current-buffer (car entry) (nth 1 entry))) (goto-char (point-max)) - (unless (eq (char-after (1- (point))) ?\n) + (unless (= (char-after (1- (point))) ?\n) (insert "\n")) (insert (format "Lines: %d\n" (nth 4 entry))) (insert ".\n"))) @@ -284,7 +289,7 @@ from the document.") (setq nndoc-dissection-alist nil) (save-excursion (set-buffer nndoc-current-buffer) - (mm-enable-multibyte) + (buffer-disable-undo (current-buffer)) (erase-buffer) (if (stringp nndoc-address) (nnheader-insert-file-contents nndoc-address) @@ -447,30 +452,38 @@ from the document.") (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)) + (re-search-forward + (concat "\ +^Content-Type:[ \t]*multipart/[a-z]+;\\(.*;\\)*" + "[ \t\n]*[ \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 + (unless (= article 1) + ;; Ensure some MIME-Version. + (goto-char (point-min)) + (search-forward "\n\n") + (let ((case-fold-search nil) + (limit (point))) (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)))) + (or (save-excursion (re-search-forward "^MIME-Version:" limit t)) + (insert "Mime-Version: 1.0\n"))) + ;; Generate default header before entity fields. + (goto-char (point-min)) + (nndoc-generate-mime-parts-head article t))) + +(defun nndoc-generate-mime-parts-head (article &optional body-present) + (let ((entry (cdr (assq (if body-present 1 article) nndoc-dissection-alist)))) + (let ((subject (if body-present + nndoc-mime-subject + (concat "<" (nth 5 entry) ">"))) + (message-id (nth 6 entry)) + (references (nth 7 entry))) + (insert nndoc-mime-header) + (and subject (insert "Subject: " subject "\n")) + (and message-id (insert "Message-ID: " message-id "\n")) + (and references (insert "References: " references "\n"))))) (defun nndoc-clari-briefs-type-p () (when (let ((case-fold-search nil)) @@ -503,6 +516,27 @@ from the document.") (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 "[\n \t]+")) + (setq entry (assq 'mime-digest nndoc-type-alist)) + (setcdr entry + (list + (cons 'head-end "^ ?$") + (cons 'body-begin "^ ?\n") + (cons 'article-begin b-delimiter) + (cons 'body-end-function 'nndoc-digest-body-end) + (cons 'file-end (concat "\n--" boundary-id "--[ \t]*$")))) + t))) + (defun nndoc-standard-digest-type-p () (when (and (re-search-forward (concat "^" (make-string 70 ?-) "\n\n") nil t) (re-search-forward @@ -635,128 +669,92 @@ the header of this entity, and one article per sub-entity." 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. + (message-narrow-to-head) + (let ((case-fold-search t) + (message-id (message-fetch-field "Message-ID")) + (references (message-fetch-field "References"))) + (setq nndoc-mime-header (buffer-substring (point-min) (point-max)) + nndoc-mime-subject (message-fetch-field "Subject")) + (while (string-match "\ +^\\(Subject\\|Message-ID\\|References\\|Lines\\|\ +MIME-Version\\|Content-Type\\|Content-Transfer-Encoding\\|\ +\\):.*\n\\([ \t].*\n\\)*" + nndoc-mime-header) + (setq nndoc-mime-header (replace-match "" t t nndoc-mime-header))) + (widen) + (nndoc-dissect-mime-parts-sub (point-min) (point-max) + nil message-id references)))) + +(defun nndoc-dissect-mime-parts-sub (begin end position message-id references) + "Dissect an entity within a composite MIME message. +The article, which corresponds to a MIME entity, extends from BEGIN to END. 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 (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\\)\\):.*\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))) +The generated article should use MESSAGE-ID and REFERENCES field values." + ;; Note: `case-fold-search' is already `t' from the calling function. + (let ((head-begin begin) + (body-end end) + head-end body-begin type subtype composite comment) + (save-excursion + ;; Gracefully handle a missing body. + (goto-char head-begin) + (if (search-forward "\n\n" body-end t) + (setq head-end (1- (point)) + body-begin (point)) + (setq head-end end + body-begin end)) + ;; Save MIME attributes. + (goto-char head-begin) + (if (re-search-forward "\ +^Content-Type: *\\([^ \t\n/;]+\\)/\\([^ \t\n/;]+\\)" + head-end t) + (setq type (downcase (match-string 1)) + subtype (downcase (match-string 2))) + (setq type "text" + subtype "plain")) + (setq composite (string= type "multipart") + comment (concat position + (when (and position composite) ".") + (when composite "*") + (when (or position composite) " ") + (cond ((string= subtype "plain") type) + ((string= subtype "basic") type) + (t subtype)))) + ;; 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) + comment message-id references) + nndoc-dissection-alist) + ;; Recurse for all sub-entities, if any. + (goto-char head-begin) + (when (re-search-forward + (concat "\ +^Content-Type: *multipart/\\([a-z]+\\);\\(.*;\\)*" + "[ \t\n]*[ \t]boundary=\"?\\([^\"\n]*[^\" \t\n]\\)") + head-end t) + (let ((boundary (concat "\n--" (match-string 3) "\\(--\\)?[ \t]*\n")) + (part-counter 0) + begin end eof-flag) + (goto-char head-end) + (setq eof-flag (not (re-search-forward boundary body-end t))) (while (not eof-flag) - (setq part-begin (point)) - (cond ((re-search-forward boundary-regexp body-end t) + (setq begin (point)) + (cond ((re-search-forward boundary body-end t) (or (not (match-string 1)) (string= (match-string 1) "") (setq eof-flag t)) (forward-line -1) - (setq part-end (point)) + (setq end (point)) (forward-line 1)) - (t (setq part-end body-end + (t (setq 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))))))))) + (nndoc-dissect-mime-parts-sub begin end + (concat position (when position ".") + (format "%d" + (incf part-counter))) + (nnmail-message-id) + message-id))))))) ;;;###autoload (defun nndoc-add-type (definition &optional position)