+++ /dev/null
-;;; mml.el --- A package for parsing and validating MML documents
-;; Copyright (C) 1998,99 Free Software Foundation, Inc.
-
-;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
-;; 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:
-
-;;; Code:
-
-(require 'mm-util)
-(require 'mm-bodies)
-(require 'mm-encode)
-(require 'mm-decode)
-
-(eval-and-compile
- (autoload 'message-make-message-id "message"))
-
-(defvar mml-generate-multipart-alist
- '(("signed" . rfc2015-generate-signed-multipart)
- ("encrypted" . rfc2015-generate-encrypted-multipart))
- "*Alist of multipart generation functions.
-
-Each entry has the form (NAME . FUNCTION), where
-NAME: is a string containing the name of the part (without the
-leading \"/multipart/\"),
-FUNCTION: is a Lisp function which is called to generate the part.
-
-The Lisp function has to supply the appropriate MIME headers and the
-contents of this part.")
-
-(defvar mml-syntax-table
- (let ((table (copy-syntax-table emacs-lisp-mode-syntax-table)))
- (modify-syntax-entry ?\\ "/" table)
- (modify-syntax-entry ?< "(" table)
- (modify-syntax-entry ?> ")" table)
- (modify-syntax-entry ?@ "w" table)
- (modify-syntax-entry ?/ "w" table)
- (modify-syntax-entry ?= " " table)
- (modify-syntax-entry ?* " " table)
- (modify-syntax-entry ?\; " " table)
- (modify-syntax-entry ?\' " " table)
- table))
-
-(defvar mml-boundary-function 'mml-make-boundary
- "A function called to suggest a boundary.
-The function may be called several times, and should try to make a new
-suggestion each time. The function is called with one parameter,
-which is a number that says how many times the function has been
-called for this message.")
-
-(defun mml-parse ()
- "Parse the current buffer as an MML document."
- (goto-char (point-min))
- (let ((table (syntax-table)))
- (unwind-protect
- (progn
- (set-syntax-table mml-syntax-table)
- (mml-parse-1))
- (set-syntax-table table))))
-
-(defun mml-parse-1 ()
- "Parse the current buffer as an MML document."
- (let (struct tag point contents charsets warn)
- (while (and (not (eobp))
- (not (looking-at "<#/multipart")))
- (cond
- ((looking-at "<#multipart")
- (push (nconc (mml-read-tag) (mml-parse-1)) struct))
- ((looking-at "<#external")
- (push (nconc (mml-read-tag) (list (cons 'contents (mml-read-part))))
- struct))
- (t
- (if (looking-at "<#part")
- (setq tag (mml-read-tag))
- (setq tag (list 'part '(type . "text/plain"))
- warn t))
- (setq point (point)
- contents (mml-read-part)
- charsets (mm-find-mime-charset-region point (point)))
- (if (< (length charsets) 2)
- (push (nconc tag (list (cons 'contents contents)))
- struct)
- (let ((nstruct (mml-parse-singlepart-with-multiple-charsets
- tag point (point))))
- (when (and warn
- (not
- (y-or-n-p
- (format
- "Warning: Your message contains %d parts. Really send? "
- (length nstruct)))))
- (error "Edit your message to use only one charset"))
- (setq struct (nconc nstruct struct)))))))
- (unless (eobp)
- (forward-line 1))
- (nreverse struct)))
-
-(defun mml-parse-singlepart-with-multiple-charsets (orig-tag beg end)
- (save-excursion
- (narrow-to-region beg end)
- (goto-char (point-min))
- (let ((current (mm-mime-charset (char-charset (following-char))))
- charset struct space newline paragraph)
- (while (not (eobp))
- (cond
- ;; The charset remains the same.
- ((or (eq (setq charset (mm-mime-charset
- (char-charset (following-char)))) 'us-ascii)
- (eq charset current)))
- ;; The initial charset was ascii.
- ((eq current 'us-ascii)
- (setq current charset
- space nil
- newline nil
- paragraph nil))
- ;; We have a change in charsets.
- (t
- (push (append
- orig-tag
- (list (cons 'contents
- (buffer-substring-no-properties
- beg (or paragraph newline space (point))))))
- struct)
- (setq beg (or paragraph newline space (point))
- current charset
- space nil
- newline nil
- paragraph nil)))
- ;; Compute places where it might be nice to break the part.
- (cond
- ((memq (following-char) '(? ?\t))
- (setq space (1+ (point))))
- ((eq (following-char) ?\n)
- (setq newline (1+ (point))))
- ((and (eq (following-char) ?\n)
- (not (bobp))
- (eq (char-after (1- (point))) ?\n))
- (setq paragraph (point))))
- (forward-char 1))
- ;; Do the final part.
- (unless (= beg (point))
- (push (append orig-tag
- (list (cons 'contents
- (buffer-substring-no-properties
- beg (point)))))
- struct))
- struct)))
-
-(defun mml-read-tag ()
- "Read a tag and return the contents."
- (let (contents name elem val)
- (forward-char 2)
- (setq name (buffer-substring-no-properties
- (point) (progn (forward-sexp 1) (point))))
- (skip-chars-forward " \t\n")
- (while (not (looking-at ">"))
- (setq elem (buffer-substring-no-properties
- (point) (progn (forward-sexp 1) (point))))
- (skip-chars-forward "= \t\n")
- (setq val (buffer-substring-no-properties
- (point) (progn (forward-sexp 1) (point))))
- (when (string-match "^\"\\(.*\\)\"$" val)
- (setq val (match-string 1 val)))
- (push (cons (intern elem) val) contents)
- (skip-chars-forward " \t\n"))
- (forward-char 1)
- (skip-chars-forward " \t\n")
- (cons (intern name) (nreverse contents))))
-
-(defun mml-read-part ()
- "Return the buffer up till the next part, multipart or closing part or multipart."
- (let ((beg (point)))
- ;; If the tag ended at the end of the line, we go to the next line.
- (when (looking-at "[ \t]*\n")
- (forward-line 1))
- (if (re-search-forward
- "<#\\(/\\)?\\(multipart\\|part\\|external\\)." nil t)
- (prog1
- (buffer-substring-no-properties beg (match-beginning 0))
- (if (or (not (match-beginning 1))
- (equal (match-string 2) "multipart"))
- (goto-char (match-beginning 0))
- (when (looking-at "[ \t]*\n")
- (forward-line 1))))
- (buffer-substring-no-properties beg (goto-char (point-max))))))
-
-(defvar mml-boundary nil)
-(defvar mml-base-boundary "-=-=")
-(defvar mml-multipart-number 0)
-
-(defun mml-generate-mime ()
- "Generate a MIME message based on the current MML document."
- (let ((cont (mml-parse))
- (mml-multipart-number 0))
- (if (not cont)
- nil
- (with-temp-buffer
- (if (and (consp (car cont))
- (= (length cont) 1))
- (mml-generate-mime-1 (car cont))
- (mml-generate-mime-1 (nconc (list 'multipart '(type . "mixed"))
- cont)))
- (buffer-string)))))
-
-(defun mml-generate-mime-1 (cont)
- (cond
- ((eq (car cont) 'part)
- (let (coded encoding charset filename type)
- (setq type (or (cdr (assq 'type cont)) "text/plain"))
- (if (member (car (split-string type "/")) '("text" "message"))
- (with-temp-buffer
- (cond
- ((cdr (assq 'buffer cont))
- (insert-buffer-substring (cdr (assq 'buffer cont))))
- ((and (setq filename (cdr (assq 'filename cont)))
- (not (equal (cdr (assq 'nofile cont)) "yes")))
- (mm-insert-file-contents filename))
- (t
- (save-restriction
- (narrow-to-region (point) (point))
- (insert (cdr (assq 'contents cont)))
- ;; Remove quotes from quoted tags.
- (goto-char (point-min))
- (while (re-search-forward
- "<#!+/?\\(part\\|multipart\\|external\\)" nil t)
- (delete-region (+ (match-beginning 0) 2)
- (+ (match-beginning 0) 3))))))
- (setq charset (mm-encode-body))
- (setq encoding (mm-body-encoding charset
- (cdr (assq 'encoding cont))))
- (setq coded (buffer-string)))
- (mm-with-unibyte-buffer
- (cond
- ((cdr (assq 'buffer cont))
- (insert-buffer-substring (cdr (assq 'buffer cont))))
- ((and (setq filename (cdr (assq 'filename cont)))
- (not (equal (cdr (assq 'nofile cont)) "yes")))
- (let ((coding-system-for-read mm-binary-coding-system))
- (mm-insert-file-contents filename nil nil nil nil t)))
- (t
- (insert (cdr (assq 'contents cont)))))
- (setq encoding (mm-encode-buffer type)
- coded (buffer-string))))
- (mml-insert-mime-headers cont type charset encoding)
- (insert "\n")
- (insert coded)))
- ((eq (car cont) 'external)
- (insert "Content-Type: message/external-body")
- (let ((parameters (mml-parameter-string
- cont '(expiration size permission)))
- (name (cdr (assq 'name cont))))
- (when name
- (setq name (mml-parse-file-name name))
- (if (stringp name)
- (mml-insert-parameter
- (mail-header-encode-parameter "name" name)
- "access-type=local-file")
- (mml-insert-parameter
- (mail-header-encode-parameter
- "name" (file-name-nondirectory (nth 2 name)))
- (mail-header-encode-parameter "site" (nth 1 name))
- (mail-header-encode-parameter
- "directory" (file-name-directory (nth 2 name))))
- (mml-insert-parameter
- (concat "access-type="
- (if (member (nth 0 name) '("ftp@" "anonymous@"))
- "anon-ftp"
- "ftp")))))
- (when parameters
- (mml-insert-parameter-string
- cont '(expiration size permission))))
- (insert "\n\n")
- (insert "Content-Type: " (cdr (assq 'type cont)) "\n")
- (insert "Content-ID: " (message-make-message-id) "\n")
- (insert "Content-Transfer-Encoding: "
- (or (cdr (assq 'encoding cont)) "binary"))
- (insert "\n\n")
- (insert (or (cdr (assq 'contents cont))))
- (insert "\n"))
- ((eq (car cont) 'multipart)
- (let* ((type (or (cdr (assq 'type cont)) "mixed"))
- (handler (assoc type mml-generate-multipart-alist)))
- (if handler
- (funcall (cdr handler) cont)
- ;; No specific handler. Use default one.
- (let ((mml-boundary (mml-compute-boundary cont)))
- (insert (format "Content-Type: multipart/%s; boundary=\"%s\"\n"
- type mml-boundary))
- (setq cont (cddr cont))
- (while cont
- (insert "\n--" mml-boundary "\n")
- (mml-generate-mime-1 (pop cont)))
- (insert "\n--" mml-boundary "--\n")))))
- (t
- (error "Invalid element: %S" cont))))
-
-(defun mml-compute-boundary (cont)
- "Return a unique boundary that does not exist in CONT."
- (let ((mml-boundary (funcall mml-boundary-function
- (incf mml-multipart-number))))
- ;; This function tries again and again until it has found
- ;; a unique boundary.
- (while (not (catch 'not-unique
- (mml-compute-boundary-1 cont))))
- mml-boundary))
-
-(defun mml-compute-boundary-1 (cont)
- (let (filename)
- (cond
- ((eq (car cont) 'part)
- (with-temp-buffer
- (cond
- ((cdr (assq 'buffer cont))
- (insert-buffer-substring (cdr (assq 'buffer cont))))
- ((and (setq filename (cdr (assq 'filename cont)))
- (not (equal (cdr (assq 'nofile cont)) "yes")))
- (mm-insert-file-contents filename))
- (t
- (insert (cdr (assq 'contents cont)))))
- (goto-char (point-min))
- (when (re-search-forward (concat "^--" (regexp-quote mml-boundary))
- nil t)
- (setq mml-boundary (funcall mml-boundary-function
- (incf mml-multipart-number)))
- (throw 'not-unique nil))))
- ((eq (car cont) 'multipart)
- (mapcar 'mml-compute-boundary-1 (cddr cont))))
- t))
-
-(defun mml-make-boundary (number)
- (concat (make-string (% number 60) ?=)
- (if (> number 17)
- (format "%x" number)
- "")
- mml-base-boundary))
-
-(defun mml-make-string (num string)
- (let ((out ""))
- (while (not (zerop (decf num)))
- (setq out (concat out string)))
- out))
-
-(defun mml-insert-mime-headers (cont type charset encoding)
- (let (parameters disposition description)
- (setq parameters
- (mml-parameter-string
- cont '(name access-type expiration size permission)))
- (when (or charset
- parameters
- (not (equal type "text/plain")))
- (when (consp charset)
- (error
- "Can't encode a part with several charsets."))
- (insert "Content-Type: " type)
- (when charset
- (insert "; " (mail-header-encode-parameter
- "charset" (symbol-name charset))))
- (when parameters
- (mml-insert-parameter-string
- cont '(name access-type expiration size permission)))
- (insert "\n"))
- (setq parameters
- (mml-parameter-string
- cont '(filename creation-date modification-date read-date)))
- (when (or (setq disposition (cdr (assq 'disposition cont)))
- parameters)
- (insert "Content-Disposition: " (or disposition "inline"))
- (when parameters
- (mml-insert-parameter-string
- cont '(filename creation-date modification-date read-date)))
- (insert "\n"))
- (unless (eq encoding '7bit)
- (insert (format "Content-Transfer-Encoding: %s\n" encoding)))
- (when (setq description (cdr (assq 'description cont)))
- (insert "Content-Description: "
- (mail-encode-encoded-word-string description) "\n"))))
-
-(defun mml-parameter-string (cont types)
- (let ((string "")
- value type)
- (while (setq type (pop types))
- (when (setq value (cdr (assq type cont)))
- ;; Strip directory component from the filename parameter.
- (when (eq type 'filename)
- (setq value (file-name-nondirectory value)))
- (setq string (concat string "; "
- (mail-header-encode-parameter
- (symbol-name type) value)))))
- (when (not (zerop (length string)))
- string)))
-
-(defun mml-insert-parameter-string (cont types)
- (let (value type)
- (while (setq type (pop types))
- (when (setq value (cdr (assq type cont)))
- ;; Strip directory component from the filename parameter.
- (when (eq type 'filename)
- (setq value (file-name-nondirectory value)))
- (mml-insert-parameter
- (mail-header-encode-parameter
- (symbol-name type) value))))))
-
-(defvar ange-ftp-path-format)
-(defvar efs-path-regexp)
-(defun mml-parse-file-name (path)
- (if (if (boundp 'efs-path-regexp)
- (string-match efs-path-regexp path)
- (if (boundp 'ange-ftp-path-format)
- (string-match (car ange-ftp-path-format))))
- (list (match-string 1 path) (match-string 2 path)
- (substring path (1+ (match-end 2))))
- path))
-
-(defun mml-insert-buffer (buffer)
- "Insert BUFFER at point and quote any MML markup."
- (save-restriction
- (narrow-to-region (point) (point))
- (insert-buffer-substring buffer)
- (mml-quote-region (point-min) (point-max))
- (goto-char (point-max))))
-
-;;;
-;;; Transforming MIME to MML
-;;;
-
-(defun mime-to-mml ()
- "Translate the current buffer (which should be a message) into MML."
- ;; First decode the head.
- (save-restriction
- (message-narrow-to-head)
- (mail-decode-encoded-word-region (point-min) (point-max)))
- (let ((handles (mm-dissect-buffer t)))
- (goto-char (point-min))
- (search-forward "\n\n" nil t)
- (delete-region (point) (point-max))
- (if (stringp (car handles))
- (mml-insert-mime handles)
- (mml-insert-mime handles t))
- (mm-destroy-parts handles)))
-
-(defun mml-to-mime ()
- "Translate the current buffer from MML to MIME."
- (message-encode-message-body)
- (save-restriction
- (message-narrow-to-headers-or-head)
- (mail-encode-encoded-word-buffer)))
-
-(defun mml-insert-mime (handle &optional no-markup)
- (let (textp buffer)
- ;; Determine type and stuff.
- (unless (stringp (car handle))
- (unless (setq textp (equal (mm-handle-media-supertype handle)
- "text"))
- (save-excursion
- (set-buffer (setq buffer (generate-new-buffer " *mml*")))
- (mm-insert-part handle))))
- (unless no-markup
- (mml-insert-mml-markup handle buffer textp))
- (cond
- ((stringp (car handle))
- (mapcar 'mml-insert-mime (cdr handle))
- (insert "<#/multipart>\n"))
- (textp
- (let ((text (mm-get-part handle))
- (charset (mail-content-type-get
- (mm-handle-type handle) 'charset)))
- (insert (mm-decode-string text charset)))
- (goto-char (point-max)))
- (t
- (insert "<#/part>\n")))))
-
-(defun mml-insert-mml-markup (handle &optional buffer nofile)
- "Take a MIME handle and insert an MML tag."
- (if (stringp (car handle))
- (insert "<#multipart type=" (mm-handle-media-subtype handle)
- ">\n")
- (insert "<#part type=" (mm-handle-media-type handle))
- (dolist (elem (append (cdr (mm-handle-type handle))
- (cdr (mm-handle-disposition handle))))
- (insert " " (symbol-name (car elem)) "=\"" (cdr elem) "\""))
- (when (mm-handle-disposition handle)
- (insert " disposition=" (car (mm-handle-disposition handle))))
- (when buffer
- (insert " buffer=\"" (buffer-name buffer) "\""))
- (when nofile
- (insert " nofile=yes"))
- (when (mm-handle-description handle)
- (insert " description=\"" (mm-handle-description handle) "\""))
- (insert ">\n")))
-
-(defun mml-insert-parameter (&rest parameters)
- "Insert PARAMETERS in a nice way."
- (dolist (param parameters)
- (insert ";")
- (let ((point (point)))
- (insert " " param)
- (when (> (current-column) 71)
- (goto-char point)
- (insert "\n ")
- (end-of-line)))))
-
-;;;
-;;; Mode for inserting and editing MML forms
-;;;
-
-(defvar mml-mode-map
- (let ((map (make-sparse-keymap))
- (main (make-sparse-keymap)))
- (define-key map "f" 'mml-attach-file)
- (define-key map "b" 'mml-attach-buffer)
- (define-key map "e" 'mml-attach-external)
- (define-key map "q" 'mml-quote-region)
- (define-key map "m" 'mml-insert-multipart)
- (define-key map "p" 'mml-insert-part)
- (define-key map "v" 'mml-validate)
- (define-key map "P" 'mml-preview)
- (define-key map "n" 'mml-narrow-to-part)
- (define-key main "\M-m" map)
- main))
-
-(easy-menu-define
- mml-menu mml-mode-map ""
- '("MML"
- ("Attach"
- ["File" mml-attach-file t]
- ["Buffer" mml-attach-buffer t]
- ["External" mml-attach-external t])
- ("Insert"
- ["Multipart" mml-insert-multipart t]
- ["Part" mml-insert-part t])
- ["Narrow" mml-narrow-to-part t]
- ["Quote" mml-quote-region t]
- ["Validate" mml-validate t]
- ["Preview" mml-preview t]))
-
-(defvar mml-mode nil
- "Minor mode for editing MML.")
-
-(defun mml-mode (&optional arg)
- "Minor mode for editing MML.
-
-\\{mml-mode-map}"
- (interactive "P")
- (if (not (set (make-local-variable 'mml-mode)
- (if (null arg) (not mml-mode)
- (> (prefix-numeric-value arg) 0))))
- nil
- (set (make-local-variable 'mml-mode) t)
- (unless (assq 'mml-mode minor-mode-alist)
- (push `(mml-mode " MML") minor-mode-alist))
- (unless (assq 'mml-mode minor-mode-map-alist)
- (push (cons 'mml-mode mml-mode-map)
- minor-mode-map-alist)))
- (run-hooks 'mml-mode-hook))
-
-;;;
-;;; Helper functions for reading MIME stuff from the minibuffer and
-;;; inserting stuff to the buffer.
-;;;
-
-(defun mml-minibuffer-read-file (prompt)
- (let ((file (read-file-name prompt nil nil t)))
- ;; Prevent some common errors. This is inspired by similar code in
- ;; VM.
- (when (file-directory-p file)
- (error "%s is a directory, cannot attach" file))
- (unless (file-exists-p file)
- (error "No such file: %s" file))
- (unless (file-readable-p file)
- (error "Permission denied: %s" file))
- file))
-
-(defun mml-minibuffer-read-type (name &optional default)
- (let* ((default (or default
- (mm-default-file-encoding name)
- ;; Perhaps here we should check what the file
- ;; looks like, and offer text/plain if it looks
- ;; like text/plain.
- "application/octet-stream"))
- (string (completing-read
- (format "Content type (default %s): " default)
- (mapcar
- 'list
- (delete-duplicates
- (nconc
- (mapcar (lambda (m) (cdr m))
- mailcap-mime-extensions)
- (apply
- 'nconc
- (mapcar
- (lambda (l)
- (delq nil
- (mapcar
- (lambda (m)
- (let ((type (cdr (assq 'type (cdr m)))))
- (if (equal (cadr (split-string type "/"))
- "*")
- nil
- type)))
- (cdr l))))
- mailcap-mime-data)))
- :test 'equal)))))
- (if (not (equal string ""))
- string
- default)))
-
-(defun mml-minibuffer-read-description ()
- (let ((description (read-string "One line description: ")))
- (when (string-match "\\`[ \t]*\\'" description)
- (setq description nil))
- description))
-
-(defun mml-quote-region (beg end)
- "Quote the MML tags in the region."
- (interactive "r")
- (save-excursion
- (save-restriction
- ;; Temporarily narrow the region to defend from changes
- ;; invalidating END.
- (narrow-to-region beg end)
- (goto-char (point-min))
- ;; Quote parts.
- (while (re-search-forward
- "<#/?!*\\(multipart\\|part\\|external\\)" nil t)
- ;; Insert ! after the #.
- (goto-char (+ (match-beginning 0) 2))
- (insert "!")))))
-
-(defun mml-insert-tag (name &rest plist)
- "Insert an MML tag described by NAME and PLIST."
- (when (symbolp name)
- (setq name (symbol-name name)))
- (insert "<#" name)
- (while plist
- (let ((key (pop plist))
- (value (pop plist)))
- (when value
- ;; Quote VALUE if it contains suspicious characters.
- (when (string-match "[\"\\~/* \t\n]" value)
- (setq value (prin1-to-string value)))
- (insert (format " %s=%s" key value)))))
- (insert ">\n"))
-
-(defun mml-insert-empty-tag (name &rest plist)
- "Insert an empty MML tag described by NAME and PLIST."
- (when (symbolp name)
- (setq name (symbol-name name)))
- (apply #'mml-insert-tag name plist)
- (insert "<#/" name ">\n"))
-
-;;; Attachment functions.
-
-(defun mml-attach-file (file &optional type description)
- "Attach a file to the outgoing MIME message.
-The file is not inserted or encoded until you send the message with
-`\\[message-send-and-exit]' or `\\[message-send]'.
-
-FILE is the name of the file to attach. TYPE is its content-type, a
-string of the form \"type/subtype\". DESCRIPTION is a one-line
-description of the attachment."
- (interactive
- (let* ((file (mml-minibuffer-read-file "Attach file: "))
- (type (mml-minibuffer-read-type file))
- (description (mml-minibuffer-read-description)))
- (list file type description)))
- (mml-insert-empty-tag 'part 'type type 'filename file
- 'disposition "attachment" 'description description))
-
-(defun mml-attach-buffer (buffer &optional type description)
- "Attach a buffer to the outgoing MIME message.
-See `mml-attach-file' for details of operation."
- (interactive
- (let* ((buffer (read-buffer "Attach buffer: "))
- (type (mml-minibuffer-read-type buffer "text/plain"))
- (description (mml-minibuffer-read-description)))
- (list buffer type description)))
- (mml-insert-empty-tag 'part 'type type 'buffer buffer
- 'disposition "attachment" 'description description))
-
-(defun mml-attach-external (file &optional type description)
- "Attach an external file into the buffer.
-FILE is an ange-ftp/efs specification of the part location.
-TYPE is the MIME type to use."
- (interactive
- (let* ((file (mml-minibuffer-read-file "Attach external file: "))
- (type (mml-minibuffer-read-type file))
- (description (mml-minibuffer-read-description)))
- (list file type description)))
- (mml-insert-empty-tag 'external 'type type 'name file
- 'disposition "attachment" 'description description))
-
-(defun mml-insert-multipart (&optional type)
- (interactive (list (completing-read "Multipart type (default mixed): "
- '(("mixed") ("alternative") ("digest") ("parallel")
- ("signed") ("encrypted"))
- nil nil "mixed")))
- (or type
- (setq type "mixed"))
- (mml-insert-empty-tag "multipart" 'type type)
- (forward-line -1))
-
-(defun mml-preview (&optional raw)
- "Display current buffer with Gnus, in a new buffer.
-If RAW, don't highlight the article."
- (interactive "P")
- (let ((buf (current-buffer)))
- (switch-to-buffer (get-buffer-create
- (concat (if raw "*Raw MIME preview of "
- "*MIME preview of ") (buffer-name))))
- (erase-buffer)
- (insert-buffer buf)
- (if (re-search-forward
- (concat "^" (regexp-quote mail-header-separator) "\n") nil t)
- (replace-match "\n"))
- (mml-to-mime)
- (unless raw
- (run-hooks 'gnus-article-decode-hook)
- (let ((gnus-newsgroup-name "dummy"))
- (gnus-article-prepare-display)))
- (fundamental-mode)
- (setq buffer-read-only t)
- (goto-char (point-min))))
-
-(defun mml-validate ()
- "Validate the current MML document."
- (interactive)
- (mml-parse))
-
-(provide 'mml)
-
-;;; mml.el ends here