1 ;;; riece-misc.el --- miscellaneous functions (not inlined)
2 ;; Copyright (C) 1998-2003 Daiki Ueno
4 ;; Author: Daiki Ueno <ueno@unixuser.org>
6 ;; Keywords: IRC, riece
8 ;; This file is part of Riece.
10 ;; This program is free software; you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation; either version 2, or (at your option)
15 ;; This program is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
23 ;; Boston, MA 02110-1301, USA.
27 (require 'riece-options)
28 (require 'riece-coding)
29 (require 'riece-identity)
30 (require 'riece-version)
31 (require 'riece-channel)
32 (require 'riece-server)
35 (require 'riece-cache)
37 (defun riece-get-buffer-create (name &optional init-major-mode)
38 (let ((buffer (get-buffer name)))
40 (or (null init-major-mode)
41 (eq (with-current-buffer buffer
44 (setq buffer (generate-new-buffer name)))
45 (unless (memq buffer riece-buffer-list)
46 (setq riece-buffer-list (cons buffer riece-buffer-list)))
49 (defun riece-scan-property-region (property start end function)
52 ;; Search for the beginning of the property region.
53 (unless (get-text-property start property)
54 (setq start (next-single-property-change start property nil end)))
57 ;; Search for the end of the property region.
58 (let ((region-end (next-single-property-change start property nil end)))
59 (if (= region-end end)
61 (funcall function start region-end)
62 (setq start region-end)))))
64 (defun riece-insert (buffers string)
65 (unless (listp buffers)
66 (setq buffers (list buffers)))
68 (run-hooks 'riece-before-insert-functions)
69 (with-current-buffer (car buffers)
70 (let ((inhibit-read-only t)
72 (start (goto-char (point-max)))
75 (insert (format-time-string "%H:%M") " " string)
77 (if (and (not (riece-frozen (current-buffer)))
78 (setq window (get-buffer-window (current-buffer)))
79 (not (pos-visible-in-window-p point window)))
80 (save-excursion ;save-selected-window changes
83 (select-window window)
84 (goto-char point) ;select-window changes current point
85 (recenter riece-window-center-line))))
86 (run-hook-with-args 'riece-after-insert-functions start (point))))
87 (setq buffers (cdr buffers))))
89 (defun riece-insert-change (buffer message)
90 (riece-insert buffer (concat riece-change-prefix message)))
92 (defun riece-insert-notice (buffer message)
93 (riece-insert buffer (concat riece-notice-prefix message)))
95 (defun riece-insert-wallops (buffer message)
96 (riece-insert buffer (concat riece-wallops-prefix message)))
98 (defun riece-insert-error (buffer message)
99 (riece-insert buffer (concat riece-error-prefix message)))
101 (defun riece-insert-info (buffer message)
102 (riece-insert buffer (concat riece-info-prefix message)))
104 (defun riece-frozen (buffer)
105 (with-current-buffer buffer
108 (defun riece-own-frozen (buffer)
109 (with-current-buffer buffer
110 (eq riece-freeze 'own)))
112 (defun riece-channel-p (string)
113 "Return t if STRING is a channel.
114 \(i.e. it matches `riece-channel-regexp')"
115 (string-match (concat "^" riece-channel-regexp) string))
117 (defun riece-user-p (string)
118 "Return t if STRING is a user.
119 \(i.e. it matches `riece-user-regexp')"
120 (string-match (concat "^" riece-user-regexp) string))
122 (defun riece-current-nickname ()
123 "Return the current nickname."
124 (riece-with-server-buffer (riece-current-server-name)
125 (if riece-real-nickname
126 (riece-make-identity riece-real-nickname riece-server-name))))
128 (defun riece-split-parameters (string)
129 (if (eq ?: (aref string 0))
130 (list (substring string 1))
133 (while (string-match "^\\([^ ]+\\) +" string)
134 (setq parameters (nconc parameters (list (match-string 1 string)))
135 string (substring string (match-end 0)))
136 (when (and (not (equal "" string)) (eq ?: (aref string 0)))
137 (setq string (substring string 1)
138 parameters (nconc parameters (list string)))
140 (or (equal "" string)
141 (setq parameters (nconc parameters (list string)))))
144 (defun riece-concat-channel-topic (target string)
145 (riece-with-server-buffer (riece-identity-server target)
146 (let ((topic (riece-channel-get-topic (riece-identity-prefix target))))
150 (concat string ": " topic)))))
152 (defun riece-concat-channel-modes (target string)
153 (riece-with-server-buffer (riece-identity-server target)
154 (let ((modes (riece-channel-get-modes (riece-identity-prefix target))))
159 (if (riece-mode-parameter mode)
161 (riece-mode-flag mode)
162 (riece-mode-parameter mode))
163 (char-to-string (riece-mode-flag mode))))
168 (defun riece-concat-message (string message)
169 (if (or (null message)
172 (concat string " (" message ")")))
174 (defun riece-concat-server-name (string)
175 (if (equal riece-server-name "")
177 (let ((server-name (concat " (from " riece-server-name ")")))
178 (put-text-property 0 (length server-name)
179 'riece-server-name riece-server-name
181 (concat string server-name))))
183 (defun riece-concat-user-status (status string)
185 (concat string " [" (mapconcat #'identity status ", ") "]")
188 (defun riece-prefix-user-at-host (prefix)
189 (if (string-match "!" prefix)
190 (substring prefix (match-end 0))
193 (defun riece-prefix-nickname (prefix)
194 (if (string-match "!" prefix)
195 (substring prefix 0 (match-beginning 0))
198 (defun riece-parse-user-at-host (user-at-host)
199 (if (memq (aref user-at-host 0) '(?^ ?= ?~ ?- ?+))
201 (if (memq (aref user-at-host 0) '(?^ ?=))
202 (setq riece-user-at-host-type 'fake)
203 (if (memq (aref user-at-host 0) '(?~ ?-))
204 (setq riece-user-at-host-type 'not-verified)
205 (if (eq (aref user-at-host 0) ?+)
206 (setq riece-user-at-host-type 'ok))))
207 (substring user-at-host 1))
208 (setq riece-user-at-host-type 'ok)
211 (defun riece-strip-user-at-host (user-at-host)
212 (if (memq (aref user-at-host 0) '(?^ ?= ?~ ?- ?+))
213 (substring user-at-host 1)
216 (defun riece-get-users-on-server (server-name)
217 (riece-with-server-buffer server-name
222 (cons (riece-make-identity (symbol-name user) server-name)
224 (riece-cache-hash-obarray riece-user-cache))
227 (defun riece-get-channels-on-server (server-name)
228 (riece-with-server-buffer server-name
233 (cons (riece-make-identity (symbol-name channel) server-name)
235 (riece-cache-hash-obarray riece-channel-cache))
238 (defun riece-get-identities-on-server (server-name)
239 (nconc (riece-get-channels-on-server server-name)
240 (riece-get-users-on-server server-name)))
242 (defun riece-check-channel-commands-are-usable (&optional channel)
243 (unless riece-current-channel
244 (error (substitute-command-keys
245 "Type \\[riece-command-join] to join a channel")))
247 (not (riece-channel-p (riece-identity-prefix
248 riece-current-channel))))
249 (error "Not on a channel")))
251 (provide 'riece-misc)
253 ;;; riece-misc.el ends here