* riece-server.el (riece-reset-process-buffer): Reset
[riece] / lisp / riece-filter.el
index 5c1b42b..cf32989 100644 (file)
 (require 'riece-misc)
 (require 'riece-server)                        ;riece-close-server
 (require 'riece-identity)
+(require 'riece-debug)
 
 (defun riece-handle-numeric-reply (prefix number name string)
   (let ((base-number (* (/ number 100) 100))
        function)
-    (condition-case nil
-       (require (intern (format "riece-%03d" base-number)))
-      (error))
     (setq function (intern-soft (format "riece-handle-%03d-message" number)))
     (unless (and function
                 (symbol-function function))
             (format "riece-handle-default-%03d-message" base-number))))
     (if (and function
             (symbol-function function))
-       (condition-case error
-           (funcall function prefix number name
-                    (riece-decode-coding-string string))
-         (error
-          (if riece-debug
-              (message "Error in `%S': %S" function error)))))))
-
-(defun riece-default-handle-numeric-reply
-  (client-prefix prefix number name string)
-  (riece-insert
-   (list riece-dialogue-buffer riece-others-buffer)
-   (concat client-prefix
-          (riece-concat-server-name
-           (mapconcat #'identity (riece-split-parameters string) " "))
-          "\n")))
+       (riece-ignore-errors (symbol-name function)
+         (funcall function prefix number name
+                  (riece-decode-coding-string string))))))
 
 (defun riece-handle-message (prefix message string)
   (if (and prefix
   (let ((function (intern-soft (concat "riece-handle-" message "-message")))
        (hook (intern (concat "riece-" message "-hook")))
        (after-hook (intern (concat "riece-after-" message "-hook"))))
-    (unless (condition-case error
-               (run-hook-with-args-until-success hook prefix string)
-             (error
-              (if riece-debug
-                  (message "Error in `%S': %S" hook error))
-              nil))
+    (unless (riece-ignore-errors (symbol-name hook)
+             (run-hook-with-args-until-success hook prefix string))
       (if function
-         (condition-case error
-             (funcall function prefix string)
-           (error
-            (if riece-debug
-                (message "Error in `%S': %S" function error)))))
-      (condition-case error
-         (run-hook-with-args-until-success after-hook prefix string)
-       (error
-        (if riece-debug
-            (message "Error in `%S': %S" after-hook error)))))))
+         (riece-ignore-errors (symbol-name function)
+           (funcall function prefix string)))
+      (riece-ignore-errors (symbol-name after-hook)
+       (run-hook-with-args-until-success after-hook prefix string)))))
+
+;;; stolen (and renamed) from gnus-async.el.
+(defun riece-get-semaphore (semaphore)
+  "Wait until SEMAPHORE is released."
+  (while (/= (length (nconc (symbol-value semaphore) (list nil))) 2)
+    (sleep-for 1)))
+
+(defun riece-release-semaphore (semaphore)
+  "Release SEMAPHORE."
+  (setcdr (symbol-value semaphore) nil))
+
+(defmacro riece-filter-with-semaphore (&rest forms)
+  `(unwind-protect
+       (progn
+        (riece-get-semaphore 'riece-filter-semaphore)
+        ,@forms)
+     (riece-release-semaphore 'riece-filter-semaphore)))
+
+(put 'riece-filter-with-semaphore 'lisp-indent-function 0)
+(put 'riece-filter-with-semaphore 'edebug-form-spec '(body))
+
+(defsubst riece-chomp-string (string)
+  (if (string-match "\r\\'" string)
+      (substring string 0 (match-beginning 0))
+    string))
 
 (defun riece-filter (process input)
-  (save-excursion
-    (set-buffer (process-buffer process))
-    (goto-char riece-read-point)
-    (unless riece-debug
-      (delete-region (riece-line-beginning-position) (point-min))
-      (setq riece-read-point (point)))
-    (insert input)
-    (goto-char (prog1 riece-read-point
-                (setq riece-read-point (point))))
-    (beginning-of-line)
-    (catch 'contiguous
-      (while (not (eobp))
-       (save-excursion
-         (if (looking-at
-              ":\\([^ ]+\\) +\\([0-5][0-9][0-9]\\) +\\([^ ]+\\) +\\(.*\\)\r\n")
-             (riece-handle-numeric-reply
-              (match-string 1)         ;prefix
-              (string-to-number (match-string 2)) ;number
-              (match-string 3)         ;name
-              (match-string 4))                ;reply string
-           (if (looking-at "\\(:\\([^ ]+\\) +\\)?\\([^ ]+\\) +\\(.*\\)\r\n")
-               (riece-handle-message
-                (match-string 2)       ;optional prefix
-                (match-string 3)       ;command
-                (match-string 4))      ;params & trailing
-             (if (looking-at ".*\r\n")
-                 (if riece-debug
-                     (message "Weird message from server: %s"
-                              (buffer-substring (point) (progn
-                                                          (end-of-line)
-                                                          (point)))))
-               (throw 'contiguous nil)))))
-       (forward-line)))))
+  (riece-filter-with-semaphore
+   (save-excursion
+     (set-buffer (process-buffer process))
+     (goto-char riece-read-point)
+     (unless riece-debug
+       (delete-region (riece-line-beginning-position) (point-min))
+       (setq riece-read-point (point)))
+     (insert input)
+     (goto-char (prog1 riece-read-point
+                 (setq riece-read-point (point))))
+     (beginning-of-line)
+     (while (and (not (eobp))
+                (looking-at ".*\n"))   ;the input line is not finished
+       (save-excursion
+        (if (looking-at
+             ":\\([^ ]+\\) +\\([0-5][0-9][0-9]\\) +\\([^ ]+\\) +\\(.*\\)\n")
+            (riece-handle-numeric-reply
+             (match-string 1)          ;prefix
+             (string-to-number (match-string 2)) ;number
+             (match-string 3)          ;name
+             (riece-chomp-string (match-string 4))) ;reply string
+          (if (looking-at "\\(:\\([^ ]+\\) +\\)?\\([^ ]+\\) +\\(.*\\)\n")
+              (riece-handle-message
+               (match-string 2)        ;optional prefix
+               (match-string 3)        ;command
+               (riece-chomp-string (match-string 4))) ;params & trailing
+            (if riece-debug
+                (message "Weird message from server: %s"
+                         (buffer-substring (point) (progn
+                                                     (end-of-line)
+                                                     (point))))))))
+       (forward-line)))))
 
 (eval-when-compile
   (autoload 'riece-exit "riece"))