;;; 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.
;; This add-on saves irc logs for every channel.
;; To use, add the following line to your ~/.riece/init.el:
-;; (add-to-list 'riece-addons 'riece-log t)
+;; (add-to-list 'riece-addons 'riece-log)
;;; Code:
-(eval-when-compile (require 'riece-message))
+(require 'riece-message)
+(require 'riece-button)
(defgroup riece-log nil
"Save irc log"
"*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
+ "*Coding system used for log files."
+ :type 'symbol
+ :group 'riece-log)
+
+(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)
+
+(defcustom riece-log-open-directory-function 'find-file
+ "*Function for opening a directory."
+ :type 'function
+ :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.")
+
+(defvar riece-log-enabled nil)
+
+(defconst riece-log-description
+ "Saving IRC logs")
+
(defun riece-log-display-message-function (message)
- (let ((open-bracket
- (funcall riece-message-make-open-bracket-function message))
- (close-bracket
- (funcall riece-message-make-close-bracket-function message))
- (name
- (funcall riece-message-make-name-function message))
- (file (riece-log-get-file (riece-message-target message))))
- (unless (file-directory-p (file-name-directory file))
- (make-directory (file-name-directory file) t))
- (with-temp-buffer
- (insert (concat (format-time-string "%H:%M") " "
- open-bracket name close-bracket
- " " (riece-message-text message) "\n"))
- (write-region (point-min) (point-max) file t 0))))
+ (if riece-log-enabled
+ (let ((file (riece-log-get-file (riece-message-target message)))
+ (coding-system-for-write riece-log-coding-system)
+ 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
+ riece-log-lock-file))))
(defun riece-log-get-file (identity)
(expand-file-name
- (concat (format-time-string "%Y%m%d") ".log")
+ (concat (format-time-string "%Y%m%d") ".txt")
(riece-log-get-directory identity)))
+(defun riece-log-get-files (identity)
+ (let ((directory (riece-log-get-directory identity)))
+ (if (file-directory-p directory)
+ (nreverse (sort (directory-files directory t
+ (concat "^"
+ (riece-make-interval-regexp "[0-9]" 8)
+ "\\.txt$")
+ t)
+ #'string-lessp)))))
+
(defun riece-log-get-directory (identity)
- (let ((channel (riece-identity-prefix identity))
- (server (riece-identity-server identity)))
- (let ((map (assoc channel riece-log-directory-map)))
- (if map
- (expand-file-name (cdr map) riece-log-directory)
- (if (string-match (concat riece-channel-regexp
- "\\([^:]+\\)\\(:\\*\\.\\(.*\\)\\)?") channel)
- (let ((name (match-string 1 channel))
- (suffix (match-string 3 channel)))
- (let ((name (if suffix (concat name "-" suffix) name)))
- (if server
- (expand-file-name
- name
- (expand-file-name server riece-log-directory))
- (expand-file-name name riece-log-directory))))
- riece-log-directory)))))
+ (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)))
+ (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."
+ (if (eq lines t)
+ (let* (file-name-coding-system
+ default-file-name-coding-system
+ (file (riece-log-get-file identity)))
+ (if (file-exists-p file)
+ (insert-file-contents file)))
+ (let* (file-name-coding-system
+ default-file-name-coding-system
+ (files (riece-log-get-files identity))
+ (lines (- lines))
+ name date point)
+ (while (and (< lines 0) files)
+ (if (and (file-exists-p (car files))
+ (string-match (concat (riece-make-interval-regexp "[0-9]" 8)
+ "\\.txt$")
+ (setq name (file-name-nondirectory
+ (car files)))))
+ (save-restriction
+ (narrow-to-region (point) (point))
+ (insert-file-contents (car files))
+ (goto-char (point-max))
+ (setq lines (forward-line lines))
+ (delete-region (point-min) (point))
+ (unless (equal name (format-time-string "%Y%m%d.txt"))
+ (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 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-max))
- (set-window-point (get-buffer-window (current-buffer))
- (point))))))))
+ (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-open-directory (&optional channel)
(interactive)
- (if channel
- (find-file (riece-log-get-directory channel))
- (find-file riece-log-directory)))
+ (let ((directory (riece-log-get-directory
+ (or channel riece-current-channel))))
+ (if (file-directory-p directory)
+ (funcall riece-log-open-directory-function directory)
+ (error "No log directory"))))
+
+(defun riece-log-requires ()
+ (if (memq 'riece-button riece-addons)
+ '(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
(add-hook 'riece-channel-buffer-create-functions
'riece-log-flashback))
+(defvar riece-command-mode-map)
+(defun riece-log-enable ()
+ (define-key riece-command-mode-map "\C-cd" 'riece-log-open-directory)
+ (setq riece-log-enabled t))
+
+(defun riece-log-disable ()
+ (define-key riece-command-mode-map "\C-cd" nil)
+ (setq riece-log-enabled nil))
+
(provide 'riece-log)
;;; riece-log.el ends here