* riece-rdcc.el (riece-command-dcc-send): Replace whitespace with
[riece] / lisp / riece-rdcc.el
index ee97197..21fab6f 100644 (file)
@@ -60,7 +60,7 @@ session = server.accept
 if session
   total = 0
   File.open(" file ") {|file|
-    while (bytes = file.read(4096))
+    while (bytes = file.read(" block-size "))
       total += bytes.length
       puts(\"#{total}\")
       session.write(bytes)
@@ -86,12 +86,26 @@ puts(\"#{" address " >> 24 & 0xFF}.#{" address " >> 16 & 0xFF}.#{"
   :type 'directory
   :group 'riece-rdcc)
 
+(defcustom riece-rdcc-block-size 4096
+  "Number of bytes sent as a block."
+  :type 'integer
+  :group 'riece-rdcc)
+
 (defvar riece-rdcc-requests nil)
 
 (defvar riece-rdcc-request-user nil)
 (defvar riece-rdcc-request-file nil)
 (defvar riece-rdcc-request-size nil)
 
+(defvar riece-rdcc-temp-file nil)
+(defvar riece-rdcc-received-size nil)
+
+(defvar riece-rdcc-enabled nil)
+
+(defconst riece-rdcc-description
+  "DCC file sending extension implemented in Ruby")
+
+(defvar temporary-file-directory)
 (defvar jka-compr-compression-info-list)
 (defvar jam-zcat-filename-list)
 (defun riece-rdcc-substitute-variables (program variable value)
@@ -137,14 +151,17 @@ puts(\"#{" address " >> 24 & 0xFF}.#{" address " >> 16 & 0xFF}.#{"
                         (apply #'concat
                                (riece-rdcc-substitute-variables
                                 (riece-rdcc-substitute-variables
-                                 riece-rdcc-send-program
-                                 'address
-                                 (if riece-rdcc-server-address
-                                     (concat "'" riece-rdcc-server-address
-                                             "'")
-                                   "nil"))
-                                'file
-                                (concat "'" file "'"))))
+                                 (riece-rdcc-substitute-variables
+                                  riece-rdcc-send-program
+                                  'address
+                                  (if riece-rdcc-server-address
+                                      (concat "'" riece-rdcc-server-address
+                                              "'")
+                                    "nil"))
+                                 'file
+                                 (concat "'" file "'"))
+                                'block-size
+                                (number-to-string riece-rdcc-block-size))))
     (process-send-eof process)
     (save-excursion
       (set-buffer (process-buffer process))
@@ -155,7 +172,10 @@ puts(\"#{" address " >> 24 & 0xFF}.#{" address " >> 16 & 0xFF}.#{"
        (accept-process-output process))
       (if (eq (process-status process) 'run)
          (let ((address (match-string 1))
-               (port (match-string 2)))
+               (port (match-string 2))
+               (filename (file-name-nondirectory file)))
+           (while (string-match "[ \t]+" filename)
+             (setq filename (replace-match "_" nil nil filename)))
            (erase-buffer)
            (make-local-variable 'riece-rdcc-request-size)
            (setq riece-rdcc-request-file file
@@ -166,32 +186,41 @@ puts(\"#{" address " >> 24 & 0xFF}.#{" address " >> 16 & 0xFF}.#{"
            (riece-send-string
             (format "PRIVMSG %s :\1DCC SEND %s %s %s %d\1\r\n"
                     (riece-identity-prefix user)
-                    (file-name-nondirectory file)
+                    filename
                     address port
                     riece-rdcc-request-size)))))))
 
 (defun riece-rdcc-filter (process input)
   (save-excursion
     (set-buffer (process-buffer process))
-    (goto-char (point-max))
+    (erase-buffer)
     (insert input)
-    (message "Receiving %s from %s...(%d/%d)"
+    (let ((coding-system-for-write 'binary)
+         jka-compr-compression-info-list jam-zcat-filename-list)
+      (write-region (point-min) (point-max) riece-rdcc-temp-file t 0))
+    (message "Receiving %s from %s...(%s/%s)"
             (file-name-nondirectory riece-rdcc-request-file)
             riece-rdcc-request-user
-            (1- (point))
-            riece-rdcc-request-size)))
+            (riece-rdcc-format-size
+             (setq riece-rdcc-received-size (+ (buffer-size)
+                                               riece-rdcc-received-size)))
+            (riece-rdcc-format-size riece-rdcc-request-size))))
 
 (defun riece-rdcc-sentinel (process status)
   (save-excursion
     (set-buffer (process-buffer process))
-    (unless (= (buffer-size) riece-rdcc-request-size)
+    (unless (= riece-rdcc-received-size riece-rdcc-request-size)
       (error "Premature end of file"))
     (message "Receiving %s from %s...done"
             (file-name-nondirectory riece-rdcc-request-file)
             riece-rdcc-request-user)
-    (let ((coding-system-for-write 'binary)
-         jka-compr-compression-info-list jam-zcat-filename-list)
-      (write-region (point-min) (point-max) riece-rdcc-request-file)))
+    (condition-case nil
+       (progn
+         (rename-file riece-rdcc-temp-file riece-rdcc-request-file)
+         (delete-directory (file-name-directory riece-rdcc-temp-file)))
+      (file-already-exists
+       (error "Can't save %s.  Temporarily saved in %s"
+             riece-rdcc-request-file riece-rdcc-temp-file))))
   (kill-buffer (process-buffer process)))
 
 (defun riece-rdcc-decode-address (address)
@@ -232,8 +261,9 @@ puts(\"#{" address " >> 24 & 0xFF}.#{" address " >> 16 & 0xFF}.#{"
                     (error "Invalid number"))
                 (nth (1- number) riece-rdcc-requests))))
            (default-name (expand-file-name
-                          (nth 1 request) (or riece-rdcc-save-directory
-                                              default-directory))))
+                          (convert-standard-filename (nth 1 request))
+                          (or riece-rdcc-save-directory
+                              default-directory))))
        (list request
             (expand-file-name
              (read-file-name
@@ -241,13 +271,27 @@ puts(\"#{" address " >> 24 & 0xFF}.#{" address " >> 16 & 0xFF}.#{"
                       (file-name-nondirectory default-name) ") ")
               (file-name-directory default-name)
               default-name))))))
-  (let* (selective-display
+  (let* ((temp-file (expand-file-name
+                    (file-name-nondirectory file)
+                    (expand-file-name (make-temp-name "riece-rdcc")
+                                      (if (featurep 'xemacs)
+                                          (temp-directory)
+                                        temporary-file-directory))))
+        (orig-mode (default-file-modes))
+        selective-display
         (coding-system-for-read 'binary)
         (coding-system-for-write 'binary)
-        (process (open-network-stream
+        process)
+    (unwind-protect
+       (progn
+         (set-default-file-modes 448)
+         ;; This may throw an error.
+         (make-directory (file-name-directory temp-file)))
+      (set-default-file-modes orig-mode))
+    (setq process (open-network-stream
                   "DCC" (generate-new-buffer " *DCC*")
                   (riece-rdcc-decode-address (nth 2 request))
-                  (nth 3 request))))
+                  (nth 3 request)))
     (setq riece-rdcc-requests (delq request riece-rdcc-requests))
     (with-current-buffer (process-buffer process)
       (if (fboundp 'set-buffer-multibyte)
@@ -259,19 +303,36 @@ puts(\"#{" address " >> 24 & 0xFF}.#{" address " >> 16 & 0xFF}.#{"
       (make-local-variable 'riece-rdcc-request-file)
       (setq riece-rdcc-request-file file)
       (make-local-variable 'riece-rdcc-request-size)
-      (setq riece-rdcc-request-size (nth 4 request)))
+      (setq riece-rdcc-request-size (nth 4 request))
+      (make-local-variable 'riece-rdcc-temp-file)
+      (setq riece-rdcc-temp-file temp-file)
+      (make-local-variable 'riece-rdcc-received-size)
+      (setq riece-rdcc-received-size 0))
     (set-process-filter process #'riece-rdcc-filter)
     (set-process-sentinel process #'riece-rdcc-sentinel)))
 
+(defun riece-rdcc-format-size (size)
+  (if (< size 1024)
+      (format "%0.1f" size)
+    (setq size (/ size 1024.0))
+    (if (< size 1024)
+       (format "%0.1fKB" size)
+      (setq size (/ size 1024.0))
+      (if (< size 1024)
+         (format "%0.1fMB" size)
+       (format "%0.1fGB" (/ size 1024.0))))))
+
 (defun riece-handle-dcc-request (prefix target message)
   (let ((case-fold-search t))
-    (when (string-match
-          "SEND \\([^ ]+\\) \\([^ ]+\\) \\([^ ]+\\) \\([^ ]+\\)"
-          message)
-      (let ((file (match-string 1 message))
-           (address (match-string 2 message))
-           (port (string-to-number (match-string 3 message)))
-           (size (string-to-number (match-string 4 message)))
+    (when (and riece-rdcc-enabled
+              (string-match
+               "SEND \\(\\([^ ]+\\)\\|\"\\(.+\\)\"\\) \\([^ ]+\\) \\([^ ]+\\) \\([^ ]+\\)"
+               message))
+      (let ((file (or (match-string 2 message)
+                     (match-string 3 message)))
+           (address (match-string 4 message))
+           (port (string-to-number (match-string 5 message)))
+           (size (string-to-number (match-string 6 message)))
            (buffer (if (riece-channel-p target)
                        (riece-channel-buffer (riece-make-identity
                                               target riece-server-name))))
@@ -279,7 +340,15 @@ puts(\"#{" address " >> 24 & 0xFF}.#{" address " >> 16 & 0xFF}.#{"
        (setq riece-rdcc-requests
              (cons (list user file address port size)
                    riece-rdcc-requests))
-       (riece-insert-change buffer (format "DCC SEND from %s\n" user))
+       (message "%s"
+                (with-current-buffer (window-buffer (selected-window))
+                  (substitute-command-keys
+                   (format
+                    "Type \\[riece-command-dcc-receive] to receive"
+                    user))))
+       (riece-insert-change buffer (format "DCC SEND from %s: %s (%s)\n"
+                                           user file
+                                           (riece-rdcc-format-size size)))
        (riece-insert-change
         (if (and riece-channel-buffer-mode
                  (not (eq buffer riece-channel-buffer)))
@@ -287,11 +356,13 @@ puts(\"#{" address " >> 24 & 0xFF}.#{" address " >> 16 & 0xFF}.#{"
           riece-dialogue-buffer)
         (concat
          (riece-concat-server-name
-          (format "DCC SEND from %s (%s) to %s"
+          (format "DCC SEND from %s (%s) to %s: %s (%s)"
                   user
                   (riece-strip-user-at-host
                    (riece-prefix-user-at-host prefix))
-                  (riece-decode-coding-string target)))
+                  (riece-decode-coding-string target)
+                  file
+                  (riece-rdcc-format-size size)))
          "\n")))
       t)))
 
@@ -301,9 +372,17 @@ puts(\"#{" address " >> 24 & 0xFF}.#{" address " >> 16 & 0xFF}.#{"
 (defvar riece-dialogue-mode-map)
 (defun riece-rdcc-insinuate ()
   (add-to-list 'riece-ctcp-additional-clientinfo "DCC")
-  (add-hook 'riece-ctcp-dcc-request-hook 'riece-handle-dcc-request)
+  (add-hook 'riece-ctcp-dcc-request-hook 'riece-handle-dcc-request))
+
+(defun riece-rdcc-enable ()
   (define-key riece-dialogue-mode-map "\C-ds" 'riece-command-dcc-send)
-  (define-key riece-dialogue-mode-map "\C-dr" 'riece-command-dcc-receive))
+  (define-key riece-dialogue-mode-map "\C-dr" 'riece-command-dcc-receive)
+  (setq riece-rdcc-enabled t))
+
+(defun riece-rdcc-disable ()
+  (define-key riece-dialogue-mode-map "\C-ds" nil)
+  (define-key riece-dialogue-mode-map "\C-dr" nil)
+  (setq riece-rdcc-enabled nil))
 
 (provide 'riece-rdcc)