+(defun notmuch-parts-filter-by-type (parts type)
+ "Given a list of message parts, return a list containing the ones matching
+the given type."
+ (remove-if-not
+ (lambda (part) (notmuch-match-content-type (plist-get part :content-type) type))
+ parts))
+
+;; Helper for parts which are generally not included in the default
+;; JSON output.
+(defun notmuch-get-bodypart-internal (query part-number process-crypto)
+ (let ((args '("show" "--format=raw"))
+ (part-arg (format "--part=%s" part-number)))
+ (setq args (append args (list part-arg)))
+ (if process-crypto
+ (setq args (append args '("--decrypt"))))
+ (setq args (append args (list query)))
+ (with-temp-buffer
+ (let ((coding-system-for-read 'no-conversion))
+ (progn
+ (apply 'call-process (append (list notmuch-command nil (list t nil) nil) args))
+ (buffer-string))))))
+
+(defun notmuch-get-bodypart-content (msg part nth process-crypto)
+ (or (plist-get part :content)
+ (notmuch-get-bodypart-internal (notmuch-id-to-query (plist-get msg :id)) nth process-crypto)))
+
+(defun notmuch-mm-display-part-inline (msg part nth content-type process-crypto)
+ "Use the mm-decode/mm-view functions to display a part in the
+current buffer, if possible."
+ (let ((display-buffer (current-buffer)))
+ (with-temp-buffer
+ (let* ((charset (plist-get part :content-charset))
+ (handle (mm-make-handle (current-buffer) `(,content-type (charset . ,charset)))))
+ ;; If the user wants the part inlined, insert the content and
+ ;; test whether we are able to inline it (which includes both
+ ;; capability and suitability tests).
+ (when (mm-inlined-p handle)
+ (insert (notmuch-get-bodypart-content msg part nth process-crypto))
+ (when (mm-inlinable-p handle)
+ (set-buffer display-buffer)
+ (mm-display-part handle)
+ t))))))
+
+;; Converts a plist of headers to an alist of headers. The input plist should
+;; have symbols of the form :Header as keys, and the resulting alist will have
+;; symbols of the form 'Header as keys.
+(defun notmuch-headers-plist-to-alist (plist)
+ (loop for (key value . rest) on plist by #'cddr
+ collect (cons (intern (substring (symbol-name key) 1)) value)))
+