(require 'mm-view)
(require 'mm-decode)
(require 'json)
-(eval-when-compile (require 'cl))
+(require 'cl)
(defvar notmuch-command "notmuch"
"Command to run the notmuch binary.")
(defvar notmuch-search-history nil
"Variable to store notmuch searches history.")
-(defcustom notmuch-saved-searches nil
+(defcustom notmuch-saved-searches '(("inbox" . "tag:inbox")
+ ("unread" . "tag:unread"))
"A list of saved searches to display."
:type '(alist :key-type string :value-type string)
:group 'notmuch-hello)
-(defvar notmuch-folders nil
- "Deprecated name for what is now known as `notmuch-saved-searches'.")
+(defcustom notmuch-archive-tags '("-inbox")
+ "List of tag changes to apply to a message or a thread when it is archived.
-(defun notmuch-saved-searches ()
- "Common function for querying the notmuch-saved-searches variable.
+Tags starting with \"+\" (or not starting with either \"+\" or
+\"-\") in the list will be added, and tags starting with \"-\"
+will be removed from the message or thread being archived.
-We do this as a function to support the old name of the
-variable (`notmuch-folders') as well as for the default value if
-the user hasn't set this variable with the old or new value."
- (if notmuch-saved-searches
- notmuch-saved-searches
- (if notmuch-folders
- notmuch-folders
- '(("inbox" . "tag:inbox")
- ("unread" . "tag:unread")))))
+For example, if you wanted to remove an \"inbox\" tag and add an
+\"archived\" tag, you would set:
+ (\"-inbox\" \"+archived\")"
+ :type '(repeat string)
+ :group 'notmuch-search
+ :group 'notmuch-show)
(defun notmuch-version ()
"Return a string with the notmuch version number."
"[No Subject]"
subject)))
+(defun notmuch-escape-boolean-term (term)
+ "Escape a boolean term for use in a query.
+
+The caller is responsible for prepending the term prefix and a
+colon. This performs minimal escaping in order to produce
+user-friendly queries."
+
+ (save-match-data
+ (if (or (equal term "")
+ (string-match "[ ()]\\|^\"" term))
+ ;; Requires escaping
+ (concat "\"" (replace-regexp-in-string "\"" "\"\"" term t t) "\"")
+ term)))
+
(defun notmuch-id-to-query (id)
"Return a query that matches the message with id ID."
- (concat "id:\"" (replace-regexp-in-string "\"" "\"\"" id t t) "\""))
+ (concat "id:" (notmuch-escape-boolean-term id)))
;;
(defun notmuch-common-do-stash (text)
"Common function to stash text in kill ring, and display in minibuffer."
- (kill-new text)
- (message "Stashed: %s" text))
+ (if text
+ (progn
+ (kill-new text)
+ (message "Stashed: %s" text))
+ ;; There is nothing to stash so stash an empty string so the user
+ ;; doesn't accidentally paste something else somewhere.
+ (kill-new "")
+ (message "Nothing to stash!")))
;;
(or (plist-get part :content)
(notmuch-get-bodypart-internal (notmuch-id-to-query (plist-get msg :id)) nth process-crypto)))
+;; Workaround: The call to `mm-display-part' below triggers a bug in
+;; Emacs 24 if it attempts to use the shr renderer to display an HTML
+;; part with images in it (demonstrated in 24.1 and 24.2 on Debian and
+;; Fedora 17, though unreproducable in other configurations).
+;; `mm-shr' references the variable `gnus-inhibit-images' without
+;; first loading gnus-art, which defines it, resulting in a
+;; void-variable error. Hence, we advise `mm-shr' to ensure gnus-art
+;; is loaded.
+(if (>= emacs-major-version 24)
+ (defadvice mm-shr (before load-gnus-arts activate)
+ (require 'gnus-art nil t)
+ (ad-disable-advice 'mm-shr 'before 'load-gnus-arts)))
+
(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."
(put-text-property pos next 'face (cons face cur))
(setq pos next)))))
+(defun notmuch-pop-up-error (msg)
+ "Pop up an error buffer displaying MSG.
+
+This will accumulate error messages in the errors buffer until
+the user dismisses it."
+
+ (let ((buf (get-buffer-create "*Notmuch errors*")))
+ (with-current-buffer buf
+ (view-mode-enter nil #'kill-buffer)
+ (let ((inhibit-read-only t))
+ (goto-char (point-max))
+ (unless (bobp)
+ (insert "\n"))
+ (insert msg)
+ (unless (bolp)
+ (insert "\n"))))
+ (pop-to-buffer buf)))
+
+(defun notmuch-check-async-exit-status (proc msg)
+ "If PROC exited abnormally, pop up an error buffer and signal an error.
+
+This is a wrapper around `notmuch-check-exit-status' for
+asynchronous process sentinels. PROC and MSG must be the
+arguments passed to the sentinel."
+ (let ((exit-status
+ (case (process-status proc)
+ ((exit) (process-exit-status proc))
+ ((signal) msg))))
+ (when exit-status
+ (notmuch-check-exit-status exit-status (process-command proc)))))
+
+(defun notmuch-check-exit-status (exit-status command &optional output err-file)
+ "If EXIT-STATUS is non-zero, pop up an error buffer and signal an error.
+
+If EXIT-STATUS is non-zero, pop up a notmuch error buffer
+describing the error and signal an Elisp error. EXIT-STATUS must
+be a number indicating the exit status code of a process or a
+string describing the signal that terminated the process (such as
+returned by `call-process'). COMMAND must be a list giving the
+command and its arguments. OUTPUT, if provided, is a string
+giving the output of command. ERR-FILE, if provided, is the name
+of a file containing the error output of command. OUTPUT and the
+contents of ERR-FILE will be included in the error message."
+
+ (cond
+ ((eq exit-status 0) t)
+ ((eq exit-status 20)
+ (notmuch-pop-up-error "Error: Version mismatch.
+Emacs requested an older output format than supported by the notmuch CLI.
+You may need to restart Emacs or upgrade your notmuch Emacs package.")
+ (error "notmuch CLI version mismatch"))
+ ((eq exit-status 21)
+ (notmuch-pop-up-error "Error: Version mismatch.
+Emacs requested a newer output format than supported by the notmuch CLI.
+You may need to restart Emacs or upgrade your notmuch package.")
+ (error "notmuch CLI version mismatch"))
+ (t
+ (notmuch-pop-up-error
+ (concat
+ (format "Error invoking notmuch. %s exited with %s%s.\n"
+ (mapconcat #'identity command " ")
+ ;; Signal strings look like "Terminated", hence the
+ ;; colon.
+ (if (integerp exit-status) "status " "signal: ")
+ exit-status)
+ (when err-file
+ (concat "Error:\n"
+ (with-temp-buffer
+ (insert-file-contents err-file)
+ (if (eobp)
+ "(no error output)\n"
+ (buffer-string)))))
+ (when (and output (not (equal output "")))
+ (format "Output:\n%s" output))))
+ ;; Mimic `process-lines'
+ (error "%s exited with status %s" (car command) exit-status))))
+
+(defun notmuch-call-notmuch-json (&rest args)
+ "Invoke `notmuch-command' with `args' and return the parsed JSON output.
+
+The returned output will represent objects using property lists
+and arrays as lists. If notmuch exits with a non-zero status,
+this will pop up a buffer containing notmuch's output and signal
+an error."
+
+ (with-temp-buffer
+ (let ((err-file (make-temp-file "nmerr")))
+ (unwind-protect
+ (let ((status (apply #'call-process
+ notmuch-command nil (list t err-file) nil args)))
+ (notmuch-check-exit-status status (cons notmuch-command args)
+ (buffer-string) err-file)
+ (goto-char (point-min))
+ (let ((json-object-type 'plist)
+ (json-array-type 'list)
+ (json-false 'nil))
+ (json-read)))
+ (delete-file err-file)))))
+
;; Compatibility functions for versions of emacs before emacs 23.
;;
;; Both functions here were copied from emacs 23 with the following copyright:
;; Incremental JSON parsing
+;; These two variables are internal variables to the parsing
+;; routines. They are always used buffer local but need to be declared
+;; globally to avoid compiler warnings.
+
+(defvar notmuch-json-parser nil
+ "Internal incremental JSON parser object: local to the buffer being parsed.")
+
+(defvar notmuch-json-state nil
+ "State of the internal JSON parser: local to the buffer being parsed.")
+
(defun notmuch-json-create-parser (buffer)
"Return a streaming JSON parser that consumes input from BUFFER.
(with-current-buffer (notmuch-json-buffer jp)
;; Disallow terminators
(setf (notmuch-json-allow-term jp) nil)
- (or (notmuch-json-scan-to-value jp)
- (if (/= (char-after) ?\[)
- (signal 'json-readtable-error (list "expected '['"))
- (forward-char)
- (push ?\] (notmuch-json-term-stack jp))
- ;; Expect a value or terminator next
- (setf (notmuch-json-next jp) 'expect-value
- (notmuch-json-allow-term jp) t)
- t))))
+ ;; Save "next" so we can restore it if there's a syntax error
+ (let ((saved-next (notmuch-json-next jp)))
+ (or (notmuch-json-scan-to-value jp)
+ (if (/= (char-after) ?\[)
+ (progn
+ (setf (notmuch-json-next jp) saved-next)
+ (signal 'json-readtable-error (list "expected '['")))
+ (forward-char)
+ (push ?\] (notmuch-json-term-stack jp))
+ ;; Expect a value or terminator next
+ (setf (notmuch-json-next jp) 'expect-value
+ (notmuch-json-allow-term jp) t)
+ t)))))
(defun notmuch-json-read (jp)
"Parse the value at point in JP's buffer.
(unless (eobp)
(signal 'json-error (list "Trailing garbage following JSON data")))))
+(defun notmuch-json-parse-partial-list (result-function error-function results-buf)
+ "Parse a partial JSON list from current buffer.
+
+This function consumes a JSON list from the current buffer,
+applying RESULT-FUNCTION in buffer RESULT-BUFFER to each complete
+value in the list. It operates incrementally and should be
+called whenever the buffer has been extended with additional
+data.
+
+If there is a syntax error, this will attempt to resynchronize
+with the input and will apply ERROR-FUNCTION in buffer
+RESULT-BUFFER to any input that was skipped.
+
+It sets up all the needed internal variables: the caller just
+needs to call it with point in the same place that the parser
+left it."
+ (let (done)
+ (unless (local-variable-p 'notmuch-json-parser)
+ (set (make-local-variable 'notmuch-json-parser)
+ (notmuch-json-create-parser (current-buffer)))
+ (set (make-local-variable 'notmuch-json-state) 'begin))
+ (while (not done)
+ (condition-case nil
+ (case notmuch-json-state
+ ((begin)
+ ;; Enter the results list
+ (if (eq (notmuch-json-begin-compound
+ notmuch-json-parser) 'retry)
+ (setq done t)
+ (setq notmuch-json-state 'result)))
+ ((result)
+ ;; Parse a result
+ (let ((result (notmuch-json-read notmuch-json-parser)))
+ (case result
+ ((retry) (setq done t))
+ ((end) (setq notmuch-json-state 'end))
+ (otherwise (with-current-buffer results-buf
+ (funcall result-function result))))))
+ ((end)
+ ;; Any trailing data is unexpected
+ (notmuch-json-eof notmuch-json-parser)
+ (setq done t)))
+ (json-error
+ ;; Do our best to resynchronize and ensure forward
+ ;; progress
+ (let ((bad (buffer-substring (line-beginning-position)
+ (line-end-position))))
+ (forward-line)
+ (with-current-buffer results-buf
+ (funcall error-function "%s" bad))))))
+ ;; Clear out what we've parsed
+ (delete-region (point-min) (point))))
+
+
+
+
(provide 'notmuch-lib)
;; Local Variables: