X-Git-Url: https://cgit.sxemacs.org/?p=riece;a=blobdiff_plain;f=lisp%2Friece-log.el;h=cbdad44f82750c5cbea132e85351f157a875e18e;hp=71923a45701d49f46ae28df86075efe74c8aa4fd;hb=3f35b389dfd302ac32ed5151d08b7411df6b34bc;hpb=98a36953177f5fefd34296ee9bca8f986232397a

diff --git a/lisp/riece-log.el b/lisp/riece-log.el
index 71923a4..cbdad44 100644
--- a/lisp/riece-log.el
+++ b/lisp/riece-log.el
@@ -1,7 +1,9 @@
 ;;; riece-log.el --- saving irc logs add-on
 ;; Copyright (C) 2003 OHASHI Akira
+;; Copyright (C) 2004 Daiki Ueno
 
 ;; Author: OHASHI Akira <bg66@koka-in.org>
+;;	Daiki Ueno <ueno@unixuser.org>
 ;; Keywords: IRC, riece
 
 ;; This file is part of Riece.
@@ -30,8 +32,8 @@
 
 ;;; Code:
 
-(eval-when-compile (require 'riece-message)
-		   (require 'riece-button))
+(require 'riece-message)
+(require 'riece-button)
 
 (defgroup riece-log nil
   "Save irc log"
@@ -53,7 +55,8 @@
   "*If non-nil, irc messages flash back from log files.
 If integer, flash back only this line numbers. t means all lines."
   :type '(choice (integer :tag "line numbers")
-		 (boolean :tag "flash back or not"))
+		 (const t :tag "of the day")
+		 (const nil :tag "no flashback"))
   :group 'riece-log)
 
 (defcustom riece-log-coding-system nil
@@ -61,11 +64,33 @@ If integer, flash back only this line numbers. t means all lines."
   :type 'symbol
   :group 'riece-log)
 
-(defcustom riece-log-open-directory-function 'find-file
-  "*Function for opening a directory."
-  :type 'function
+(defcustom riece-log-file-name-coding-system
+  (if (boundp 'file-name-coding-system)
+      file-name-coding-system)
+  "*Coding system used for filenames of log files."
+  :type 'symbol
   :group 'riece-log)
 
+(defface riece-log-date-face
+  '((((class color)
+      (background dark))
+     (:foreground "Gray70"))
+    (((class color)
+      (background light))
+     (:foreground "DimGray"))
+    (t
+     (:bold t)))
+  "Face used for displaying \"(YYYY/MM/dd)\" extent."
+  :group 'riece-highlight-faces)
+(defvar riece-log-date-face 'riece-log-date-face)
+
+(defvar riece-log-lock-file nil
+  "Lock file for riece-log.
+It is created if there is at least one instance of Emacs running riece-log.")
+
+(defconst riece-log-file-name-regexp
+  (concat (riece-make-interval-regexp "[0-9]" 8) "\\.txt\\(\\.\\(.*\\)\\)?$"))
+
 (defvar riece-log-enabled nil)
 
 (defconst riece-log-description
@@ -73,72 +98,172 @@ If integer, flash back only this line numbers. t means all lines."
 
 (defun riece-log-display-message-function (message)
   (if riece-log-enabled
-      (let ((file (riece-log-get-file (riece-message-target message)))
-	    (coding-system-for-write riece-log-coding-system))
+      (let ((coding-system-for-write (or riece-log-coding-system
+					 default-buffer-file-coding-system))
+	    (file (riece-log-make-file-name (riece-message-target message)
+					    coding-system-for-write))
+	    file-name-coding-system
+	    default-file-name-coding-system)
 	(unless (file-directory-p (file-name-directory file))
 	  (make-directory (file-name-directory file) t))
 	(write-region (concat (format-time-string "%H:%M") " "
 			      (riece-format-message message))
-		      nil file t 0))))
+		      nil file t 0
+		      riece-log-lock-file))))
+
+(defun riece-log-make-file-name (identity coding-system)
+  (expand-file-name (format "%s.txt.%s"
+			    (format-time-string "%Y%m%d")
+			    coding-system)
+		    (riece-log-directory identity)))
 
-(defun riece-log-get-file (identity)
-  (expand-file-name
-   (concat (format-time-string "%Y%m%d") ".log")
-   (riece-log-get-directory identity)))
+(defun riece-log-list-files (identity time)
+  (let ((directory (riece-log-directory identity))
+	(time-prefix (format-time-string "%Y%m%d" (or time '(0 0))))
+	files)
+    (when (file-directory-p directory)
+      (setq files (nreverse (sort (directory-files
+				   directory t
+				   (concat "^" riece-log-file-name-regexp)
+				   t)
+				  #'string-lessp)))
+      (while (and files
+		  (string-lessp (file-name-nondirectory (car files))
+				time-prefix))
+	(setq files (cdr files)))
+      files)))
 
-(defun riece-log-get-directory (identity)
-  (let ((channel (riece-identity-canonicalize-prefix
-		  (riece-identity-prefix identity)))
+(defun riece-log-directory (identity)
+  (let ((prefix (riece-identity-canonicalize-prefix
+		 (riece-identity-prefix identity)))
 	(server (riece-identity-server identity))
-	(map (assoc (riece-format-identity identity) riece-log-directory-map))
-	name)
-    (cond (map (setq name (cdr map)))
-	  ((string-match riece-strict-channel-regexp channel)
-	   (let ((suffix (match-string 2 channel)))
-	     (setq name (substring channel (match-end 1) (match-beginning 2)))
-	     (when (and (stringp suffix)
-			(string-match "^:\\*\\.\\(.*\\)" suffix))
-	       (setq name (concat name "-" (match-string 1 suffix))))))
-	  (t (setq name "priv")))
-    (if server
-	(expand-file-name name (expand-file-name server riece-log-directory))
-      (expand-file-name name riece-log-directory))))
+	(map (assoc (riece-format-identity identity) riece-log-directory-map)))
+    (if map
+	(expand-file-name (cdr map) riece-log-directory)
+      (expand-file-name (riece-log-encode-file-name prefix)
+			(expand-file-name
+			 (concat "." (riece-log-encode-file-name server))
+			 riece-log-directory)))))
+
+(defun riece-log-encode-file-name (file-name)
+  (if riece-log-file-name-coding-system
+      (setq file-name
+	    (encode-coding-string file-name
+				  riece-log-file-name-coding-system)))
+  (let ((index 0)
+	c)
+    (while (string-match "[^-0-9A-Za-z_\x80-\xFF]" file-name index)
+      (setq c (aref file-name (match-beginning 0)))
+      (if (eq c ?=)
+	  (setq file-name (replace-match "==" nil t file-name)
+		index (1+ (match-end 0)))
+	(setq file-name (replace-match (format "=%02X" c) nil t file-name)
+	      index (+ 2 (match-end 0)))))
+    file-name))
+
+(defun riece-log-decode-file-name (file-name)
+  (let ((index 0))
+    (while (string-match "==\\|=\\([0-7][0-9A-F]\\)" file-name index)
+      (setq file-name (replace-match
+		       (if (eq (aref file-name (1- (match-end 0))) ?=)
+			   "="
+			 (char-to-string
+			  (car (read-from-string
+				(concat "?\\x" (match-string 1 file-name))))))
+		       nil t file-name)
+	    index (1+ (match-beginning 0))))
+    file-name)
+  (if riece-log-file-name-coding-system
+      (setq file-name
+	    (decode-coding-string file-name
+				  riece-log-file-name-coding-system)))
+  file-name)
+
+(defun riece-log-insert (identity lines)
+  "Insert logs for IDENTITY at most LINES.
+If LINES is t, insert today's logs entirely."
+  (let* (file-name-coding-system
+	 default-file-name-coding-system
+	 (files (riece-log-list-files identity
+				      (if (eq lines t) (current-time))))
+	 name coding-system date point)
+    (while (and (or (eq lines t) (> lines 0)) files)
+      (save-restriction
+	(narrow-to-region (point) (point))
+	(if (and (string-match
+		  (concat "^" riece-log-file-name-regexp)
+		  (setq name (file-name-nondirectory (car files))))
+		 (match-beginning 2))
+	    (progn
+	      (setq coding-system
+		    (intern (substring name (match-beginning 2))))
+	      (if (featurep 'xemacs)
+		  (setq coding-system (find-coding-system coding-system))
+		(unless (coding-system-p coding-system)
+		  (setq coding-system nil)))
+	      (if coding-system
+		  (let ((coding-system-for-read coding-system))
+		    (insert-file-contents (car files)))
+		;;don't insert file contents if they use non
+		;;supported coding-system.
+		))
+	  ;;if the filename has no coding-system suffix, decode with
+	  ;;riece-log-coding-system.
+	  (let ((coding-system-for-read riece-log-coding-system))
+	    (insert-file-contents (car files))))
+	;;lines in the file contents are in reversed order.
+	(unless (eq lines t)
+	  (goto-char (point-max))
+	  (setq lines (- (forward-line (- lines))))
+	  (delete-region (point-min) (point)))
+	;;add (YYYY/MM/dd) suffix on each line left in the current buffer.
+	(unless (equal (substring name 0 8) (format-time-string "%Y%m%d"))
+	  (setq date (concat " (" (substring name 0 4) "/"
+			     (substring name 4 6) "/"
+			     (substring name 6 8) ")"))
+	  (while (not (eobp))
+	    (end-of-line)
+	    (setq point (point))
+	    (insert date)
+	    (put-text-property point (point)
+			       'riece-overlay-face 'riece-log-date-face)
+	    (forward-line))
+	  (goto-char (point-min))))
+      (setq files (cdr files)))))
 
 (defun riece-log-flashback (identity)
-  (when (and riece-log-enabled riece-log-flashback)
-    (let ((file (riece-log-get-file identity)))
-      (when (file-exists-p file)
-	(let (string)
-	  (with-temp-buffer
-	    (insert-file-contents file)
-	    (if (not (integerp riece-log-flashback))
-		(goto-char (point-min))
-	      (goto-char (point-max))
-	      (forward-line (- riece-log-flashback)))
-	    (setq string (buffer-substring (point) (point-max))))
-	  (let (buffer-read-only)
-	    (goto-char (point-max))
-	    (insert string)
-	    (goto-char (point-min))
-	    (while (re-search-forward
-		    "^[0-9][0-9]:[0-9][0-9] [<>]\\([^<>]+\\)[<>] " nil t)
-	      (put-text-property (match-beginning 1) (match-end 1)
-				 'riece-identity
-				 (riece-make-identity
-				  (riece-match-string-no-properties 1)
-				  (riece-identity-server identity))))
-	    (if (memq 'riece-button riece-addons)
-		(riece-button-update-buffer))
-	    (goto-char (point-max))
-	    (set-window-point (get-buffer-window (current-buffer))
-			      (point))))))))
-
-(defun riece-log-open-directory (&optional channel)
+  (when riece-log-flashback
+    (riece-insert-info (current-buffer)
+		       (if (eq riece-log-flashback t)
+			   "Recent messages of the day:\n"
+			 (format "Recent messages up to %d lines:\n"
+				 riece-log-flashback)))
+    (let (buffer-read-only
+	  (point (goto-char (point-max))))
+      (insert (with-temp-buffer
+		(riece-log-insert identity riece-log-flashback)
+		(buffer-string)))
+      (goto-char point)
+      (while (re-search-forward
+	      (concat "^" riece-time-prefix-regexp
+		       "\\(<[^>]+>\\|>[^<]+<\\|([^)]+)\\|{[^}]+}\\|=[^=]+=\\)")
+	      nil t)
+	(put-text-property (1+ (match-beginning 1)) (1- (match-end 1))
+			   'riece-identity
+			   (riece-make-identity
+			    (buffer-substring (1+ (match-beginning 1))
+					      (1- (match-end 1)))
+			    (riece-identity-server identity))))
+      (run-hook-with-args 'riece-after-insert-functions
+			  point (goto-char (point-max)))
+      (set-window-point (get-buffer-window (current-buffer))
+			(point)))))
+
+(defun riece-log-dired (&optional channel)
   (interactive)
-  (let ((directory (riece-log-get-directory
-		    (or channel riece-current-channel))))
+  (let ((directory (riece-log-directory (or channel riece-current-channel))))
     (if (file-directory-p directory)
-	(funcall riece-log-open-directory-function directory)
+	(dired directory)
       (error "No log directory"))))
 
 (defun riece-log-requires ()
@@ -146,6 +271,13 @@ If integer, flash back only this line numbers. t means all lines."
       '(riece-button)))
 
 (defun riece-log-insinuate ()
+  (make-directory riece-log-directory t)
+  (setq riece-log-lock-file
+	(expand-file-name (format "!%s-%d-%d"
+				  (riece-log-encode-file-name (system-name))
+				  (user-uid)
+				  (emacs-pid))
+			  riece-log-directory))
   ;; FIXME: Use `riece-after-insert-functions' for trapping change,
   ;; notice, wallops and so on. But must add argument.
   (add-hook 'riece-after-display-message-functions
@@ -155,7 +287,7 @@ If integer, flash back only this line numbers. t means all lines."
 
 (defvar riece-command-mode-map)
 (defun riece-log-enable ()
-  (define-key riece-command-mode-map "\C-cd" 'riece-log-open-directory)
+  (define-key riece-command-mode-map "\C-cd" 'riece-log-dired)
   (setq riece-log-enabled t))
 
 (defun riece-log-disable ()