X-Git-Url: https://thelambdalab.xyz/gitweb/index.cgi?p=elpher.git;a=blobdiff_plain;f=elpher.el;h=1d0b1fecf323ab7f491e547a22bf4f74f75dae23;hp=0888870b9553bd77417b483f7f7bb4e61fdff3fb;hb=dd0904213175f960b53fdd42735596d9808b65cd;hpb=643f0bc0617e043190bbcd55579f39902bb1cd91

diff --git a/elpher.el b/elpher.el
index 0888870..1d0b1fe 100644
--- a/elpher.el
+++ b/elpher.el
@@ -92,13 +92,13 @@
       (lambda (s)
         (let ((_xterm-color-render nil))
           (xterm-color-filter s)))
-    'ansi-color-filter-apply)
+    #'ansi-color-filter-apply)
   "A function to filter out ANSI escape sequences.")
 
 (defalias 'elpher-color-apply
   (if (fboundp 'xterm-color-filter)
-      'xterm-color-filter
-    'ansi-color-apply)
+      #'xterm-color-filter
+    #'ansi-color-apply)
   "A function to apply ANSI escape sequences.")
 
 ;;; Global constants
@@ -389,11 +389,6 @@ requiring gopher-over-TLS."
   "Create an ADDRESS object corresponding to the given special address symbol TYPE."
   type)
 
-(defun elpher-make-start-page ()
-  "Create the start page."
-  (elpher-make-page "Elpher Start Page"
-                    (elpher-make-special-address 'start)))
-
 (defun elpher-address-to-url (address)
   "Get string representation of ADDRESS, or nil if ADDRESS is special."
   (if (elpher-address-special-p address)
@@ -493,6 +488,11 @@ If no address is defined, returns 0.  (This is for compatibility with the URL li
   "Create a page with DISPLAY-STRING and ADDRESS."
   (list display-string address))
 
+(defun elpher-make-start-page ()
+  "Create the start page."
+  (elpher-make-page "Elpher Start Page"
+                    (elpher-make-special-address 'start)))
+
 (defun elpher-page-display-string (page)
   "Retrieve the display string corresponding to PAGE."
   (elt page 0))
@@ -600,7 +600,8 @@ previously-visited pages,unless NO-HISTORY is non-nil."
      (unless (eq major-mode 'elpher-mode)
        ;; avoid resetting buffer-local variables
        (elpher-mode))
-     (let ((inhibit-read-only t))
+     (let ((inhibit-read-only t)
+           (ansi-color-context nil)) ;; clean ansi interpreter state
        (setq-local network-security-level
                    (default-value 'network-security-level))
        (erase-buffer)
@@ -677,6 +678,15 @@ ERROR can be either an error object or a string."
   (if (timerp elpher-network-timer)
       (cancel-timer elpher-network-timer)))
 
+(defun elpher-make-network-timer (thunk)
+  "Creates a timer to run the THUNK after `elpher-connection-timeout' seconds.
+This is just a wraper around `run-at-time' which additionally sets the
+buffer-local variable `elpher-network-timer' to allow
+`elpher-process-cleanup' to also clear the timer."
+  (let ((timer (run-at-time elpher-connection-timeout nil thunk)))
+    (setq-local elpher-network-timer timer)
+    timer))
+
 (defun elpher-get-host-response (address default-port query-string response-processor
                                          &optional use-tls force-ipv4)
   "Generic function for retrieving data from ADDRESS.
@@ -713,19 +723,7 @@ the host operating system and the local network capabilities.)"
                                     :hostname host
                                     :keylist
                                     (elpher-get-current-keylist address)))
-               (proc (if socks (socks-open-network-stream "elpher-process" nil host service)
-                       (make-network-process :name "elpher-process"
-                                             :host host
-                                             :family (and force-ipv4 'ipv4)
-                                             :service service
-                                             :buffer nil
-                                             :nowait t
-                                             :tls-parameters
-                                             (and use-tls
-                                                  (cons 'gnutls-x509pki
-                                                        (apply #'gnutls-boot-parameters
-                                                               gnutls-params))))))
-               (timer (run-at-time elpher-connection-timeout nil
+               (timer (elpher-get-network-timer
                                    (lambda ()
                                      (elpher-process-cleanup)
                                      (cond
@@ -747,7 +745,19 @@ the host operating system and the local network capabilities.)"
                                                                  response-processor
                                                                  nil force-ipv4))
                                       (t
-                                       (elpher-network-error address "Connection time-out.")))))))
+                                       (elpher-network-error address "Connection time-out."))))))
+               (proc (if socks (socks-open-network-stream "elpher-process" nil host service)
+                       (make-network-process :name "elpher-process"
+                                             :host host
+                                             :family (and force-ipv4 'ipv4)
+                                             :service service
+                                             :buffer nil
+                                             :nowait t
+                                             :tls-parameters
+                                             (and use-tls
+                                                  (cons 'gnutls-x509pki
+                                                        (apply #'gnutls-boot-parameters
+                                                               gnutls-params)))))))
           (setq elpher-network-timer timer)
           (set-process-coding-system proc 'binary 'binary)
           (set-process-query-on-exit-flag proc nil)
@@ -804,6 +814,7 @@ the host operating system and the local network capabilities.)"
             (if use-tls (apply #'gnutls-negotiate :process proc gnutls-params))
             (funcall (process-sentinel proc) proc "open\n")))
       (error
+       (elpher-process-cleanup)
        (error "Error initiating connection to server")))))
 
 
@@ -1457,7 +1468,6 @@ treatment that a separate function is warranted."
         (insert (propertize display-string 'face 'elpher-unknown)))
       (insert "\n"))))
 
-;; buffer-local
 (defvar elpher--gemini-page-headings nil
   "List of headings on the page.")