branch: externals/crdt
commit fae016ba25b9118eed12183a4e705a2b938b9e5a
Author: Qiantan Hong <qh...@mit.edu>
Commit: Qiantan Hong <qh...@mit.edu>
Preliminary url support
---
crdt.el | 45 +++++++++++++++++++++++++++++++++++----------
1 file changed, 35 insertions(+), 10 deletions(-)
diff --git a/crdt.el b/crdt.el
index 9878786a71..b04c69c20e 100644
--- a/crdt.el
+++ b/crdt.el
@@ -34,6 +34,7 @@
(require 'cl-lib)
(require 'url)
(require 'color)
+(require 'tramp)
(defconst crdt-version "0.2.5")
(defconst crdt-protocol-version "0.2.5")
@@ -547,7 +548,7 @@ after synchronization is completed."
(with-current-buffer crdt-buffer
,@body)
(unless (process-contact (crdt--session-network-process crdt--session)
:server)
- (setq crdt-buffer (generate-new-buffer (format "crdt - %s" ,name)))
+ (setq crdt-buffer (create-file-buffer (concat (crdt--tramp-prefix
crdt--session) ,name)))
(puthash ,name crdt-buffer (crdt--session-buffer-table crdt--session))
(let ((session crdt--session))
(with-current-buffer crdt-buffer
@@ -1942,17 +1943,12 @@ If SESSION is nil, stop sharing the current session."
(list (crdt--read-session-maybe 'server)))
(crdt--stop-session (or session crdt--session)))
-(defun crdt-copy-url (&optional session-name)
- "Copy the url for the session with SESSION-NAME.
+(defun crdt-copy-url (&optional session)
+ "Copy the url for the SESSION.
Currently this only work if a tuntox proxy is used."
(interactive
- (list (completing-read "Choose a server session: "
- (crdt--get-session-names t) nil t
- (when (and crdt--session (crdt--server-p))
- (crdt--session-name crdt--session)))))
- (let* ((session (if session-name
- (crdt--get-session session-name)
- crdt--session))
+ (list (crdt--read-session-maybe 'server)))
+ (let* ((session (or session crdt--session))
(network-process (crdt--session-network-process session))
(tuntox-process (process-get network-process 'tuntox-process)))
(if tuntox-process
@@ -2676,6 +2672,35 @@ Use CRDT--UNINSTALL-PROCESS-ADVICES to disable those
advices for the rescue."
(crdt--with-buffer-name buffer-name
(process-send-string (get-buffer-process (current-buffer)) string)))
+;;; URL and TRAMP
+
+(defsubst tramp-crdt-file-name-p (filename)
+ "Check if it's a FILENAME for crdt.el."
+ (and (tramp-tramp-file-p filename)
+ (string= (tramp-file-name-method (tramp-dissect-file-name filename))
"crdt")))
+
+(defconst tramp-crdt-file-name-handler-alist '()
+ "Alist of handler functions for Tramp crdt.el method.
+Operations not mentioned here will be handled by the default Emacs
primitives.")
+
+(defun tramp-crdt-file-name-handler (operation &rest args)
+ "Invoke the crdt.el handler for OPERATION and ARGS.
+First arg specifies the OPERATION, second arg is a list of arguments to
+pass to the OPERATION."
+ (if-let ((fn (assoc operation tramp-crdt-file-name-handler-alist)))
+ (save-match-data (apply (cdr fn) args))
+ (tramp-run-real-handler operation args)))
+
+(tramp-register-foreign-file-name-handler #'tramp-crdt-file-name-p
#'tramp-crdt-file-name-handler)
+(add-to-list 'tramp-methods '("crdt"))
+
+(defun crdt--tramp-prefix (session)
+ "Compute TRAMP filename prefix for SESSION."
+ (let ((contact (process-contact (crdt--session-network-process session))))
+ (let ((ipv6-p (string-match-p ":" (car contact)))) ;; poor man's ipv6 test
+ (concat "/crdt:" (when ipv6-p "[") (car contact) (when ipv6-p "]")
+ (if (= (cadr contact) 6530) nil (format "#%s" (cdr contact)))
":/"))))
+
;;; Built-in package integrations
;; Org
