emacs: add more part handling functions

[notmuch] / emacs / notmuch-show.el

diff --git a/emacs/notmuch-show.el b/emacs/notmuch-show.el
index 3a60d4308470c5643975741d21912c4ac49d89bc..e08497d98b089486efd792c702182c2808d984dc 100644 (file)
--- a/emacs/notmuch-show.el
+++ b/emacs/notmuch-show.el
@@ -280,6 +280,48 @@ current buffer, if possible."
              t)
          nil)))))
 
+(defun notmuch-show-insert-part-multipart/alternative (msg part content-type nth depth declared-type)
+  (let ((inner-parts (plist-get part :content)))
+    (notmuch-show-insert-part-header nth declared-type content-type nil)
+    ;; In most cases, multipart/alternative is used to provide both
+    ;; text/plain and text/html (or multipart/related with text/html
+    ;; and image/*) parts. We might allow the user to express a
+    ;; preference about which part to show, but for the moment we just
+    ;; choose the first. This is usually the text/plain part.
+    (notmuch-show-insert-bodypart msg (car inner-parts) depth)
+    (mapc (lambda (inner-part)
+           (let ((inner-type (concat (plist-get inner-part :content-type) " (not shown)")))
+             (notmuch-show-insert-part-header (plist-get inner-part :id) inner-type inner-type nil)))
+         (cdr inner-parts)))
+  t)
+
+(defun notmuch-show-insert-part-multipart/* (msg part content-type nth depth declared-type)
+  (let ((inner-parts (plist-get part :content)))
+    (notmuch-show-insert-part-header nth declared-type content-type nil)
+    ;; Show all of the parts.
+    (mapc (lambda (inner-part)
+           (notmuch-show-insert-bodypart msg inner-part depth))
+         inner-parts))
+  t)
+
+(defun notmuch-show-insert-part-message/rfc822 (msg part content-type nth depth declared-type)
+  (let* ((message-part (plist-get part :content))
+        (inner-parts (plist-get message-part :content)))
+    (notmuch-show-insert-part-header nth declared-type content-type nil)
+    ;; Override `notmuch-message-headers' to force `From' to be
+    ;; displayed.
+    (let ((notmuch-message-headers '("From" "Subject" "To" "Cc" "Date")))
+      (notmuch-show-insert-headers (plist-get part :headers)))
+    ;; Blank line after headers to be compatible with the normal
+    ;; message display.
+    (insert "\n")
+
+    ;; Show all of the parts.
+    (mapc (lambda (inner-part)
+           (notmuch-show-insert-bodypart msg inner-part depth))
+         inner-parts))
+  t)
+
 (defun notmuch-show-insert-part-text/plain (msg part content-type nth depth declared-type)
   (let ((start (point)))
     ;; If this text/plain part is not the first part in the message,
@@ -948,7 +990,7 @@ any effects from previous calls to
 
 The given command will be executed with the raw contents of the
 current email message as stdin. Anything printed by the command
-to stdout or stderr will appear in the *Messages* buffer.
+to stdout or stderr will appear in the *notmuch-pipe* buffer.
 
 When invoked with a prefix argument, the command will receive all
 open messages in the current thread (formatted as an mbox) rather
@@ -964,7 +1006,18 @@ than only the current message."
       (setq shell-command
            (concat notmuch-command " show --format=raw "
                    (shell-quote-argument (notmuch-show-get-message-id)) " | " command)))
-    (start-process-shell-command "notmuch-pipe-command" "*notmuch-pipe*" shell-command)))
+    (let ((buf (get-buffer-create (concat "*notmuch-pipe*"))))
+      (with-current-buffer buf
+       (setq buffer-read-only nil)
+       (erase-buffer)
+       (let ((exit-code (call-process-shell-command shell-command nil buf)))
+         (goto-char (point-max))
+         (set-buffer-modified-p nil)
+         (setq buffer-read-only t)
+         (unless (zerop exit-code)
+           (switch-to-buffer-other-window buf)
+           (message (format "Command '%s' exited abnormally with code %d"
+                            shell-command exit-code))))))))
 
 (defun notmuch-show-add-tags-worker (current-tags add-tags)
   "Add to `current-tags' with any tags from `add-tags' not