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[Emacs-diffs] emacs-26 5472568 1/2: Handle split AnSiT messages for term
From: |
Noam Postavsky |
Subject: |
[Emacs-diffs] emacs-26 5472568 1/2: Handle split AnSiT messages for term.el (Bug#17231) |
Date: |
Thu, 18 Jan 2018 22:27:50 -0500 (EST) |
branch: emacs-26
commit 5472568a3c2338856d25380012ee4398e024c806
Author: Callum Cameron <address@hidden>
Commit: Noam Postavsky <address@hidden>
Handle split AnSiT messages for term.el (Bug#17231)
Check to see if there is an incomplete command at the end of
term-emulate-terminal's input string, and, if so, save it so the whole
command can be processed when the next string arrives.
* lisp/term.el (term-partial-ansi-terminal-message): New variable.
(term-mode): Make it buffer local.
(term-handle-ansi-terminal-messages): Prepend it to the received
message, and set it if a partial message was received.
Copyright-paperwork-exempt: yes
Do not merge to master, it will be solved differently there, see
"Switch term.el to lexical binding, and clean up code a bit".
---
lisp/term.el | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/lisp/term.el b/lisp/term.el
index ca83b4f..e51b766 100644
--- a/lisp/term.el
+++ b/lisp/term.el
@@ -593,6 +593,9 @@ massage the input string, this is your hook. This is
called from
the user command `term-send-input'. `term-simple-send' just sends
the string plus a newline.")
+(defvar term-partial-ansi-terminal-message nil
+ "Keep partial ansi terminal messages for future processing.")
+
(defcustom term-eol-on-send t
"Non-nil means go to the end of the line before sending input.
See `term-send-input'."
@@ -1077,6 +1080,8 @@ Entry to this mode runs the hooks on `term-mode-hook'."
(make-local-variable 'ange-ftp-default-password)
(make-local-variable 'ange-ftp-generate-anonymous-password)
+ (make-local-variable 'term-partial-ansi-terminal-message)
+
;; You may want to have different scroll-back sizes -mm
(make-local-variable 'term-buffer-maximum-size)
@@ -2702,6 +2707,11 @@ See `term-prompt-regexp'."
;;difference ;-) -mm
(defun term-handle-ansi-terminal-messages (message)
+ ;; Handle stored partial message
+ (when term-partial-ansi-terminal-message
+ (setq message (concat term-partial-ansi-terminal-message message))
+ (setq term-partial-ansi-terminal-message nil))
+
;; Is there a command here?
(while (string-match "\eAnSiT.+\n" message)
;; Extract the command code and the argument.
@@ -2754,6 +2764,11 @@ See `term-prompt-regexp'."
(setq ange-ftp-default-user nil)
(setq ange-ftp-default-password nil)
(setq ange-ftp-generate-anonymous-password nil)))))
+ ;; If there is a partial message at the end of the string, store it
+ ;; for future use.
+ (when (string-match "\eAnSiT.+$" message)
+ (setq term-partial-ansi-terminal-message (match-string 0 message))
+ (setq message (replace-match "" t t message)))
message)