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;;; erc-pcomplete.el --- Provides programmable completion for ERC
;; Copyright (C) 2002, 2003, 2004, 2006, 2007, 2008 Free Software Foundation, Inc.
;; Author: Sacha Chua <sacha@free.net.ph>
;; Keywords: comm, convenience
;; URL: http://www.emacswiki.org/cgi-bin/wiki.pl?ErcCompletion
;; This file is part of GNU Emacs.
;; GNU Emacs is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 3, or (at your option)
;; any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Commentary:
;; This file replaces erc-complete.el. It provides nick completion
;; for ERC based on pcomplete. If you do not have pcomplete, you may
;; try to use erc-complete.el.
;;
;; To use, (require 'erc-auto) or (require 'erc-pcomplete), then
;; (erc-pcomplete-mode 1)
;;
;; If you want nickname completions ordered such that the most recent
;; speakers are listed first, set
;; `erc-pcomplete-order-nickname-completions' to `t'.
;;
;; See CREDITS for other contributors.
;;
;;; Code:
(require 'pcomplete)
(require 'erc)
(require 'erc-compat)
(require 'time-date)
(eval-when-compile (require 'cl))
(defgroup erc-pcomplete nil
"Programmable completion for ERC"
:group 'erc)
(defcustom erc-pcomplete-nick-postfix ": "
"*When `pcomplete' is used in the first word after the prompt,
add this string to nicks completed."
:group 'erc-pcomplete
:type 'string)
(defcustom erc-pcomplete-order-nickname-completions t
"If t, channel nickname completions will be ordered such that
the most recent speakers are listed first."
:group 'erc-pcomplete
:type 'boolean)
;;;###autoload (autoload 'erc-completion-mode "erc-pcomplete" nil t)
(define-erc-module pcomplete Completion
"In ERC Completion mode, the TAB key does completion whenever possible."
((add-hook 'erc-mode-hook 'pcomplete-erc-setup)
(add-hook 'erc-complete-functions 'erc-pcomplete)
(erc-buffer-list #'pcomplete-erc-setup))
((remove-hook 'erc-mode-hook 'pcomplete-erc-setup)
(remove-hook 'erc-complete-functions 'erc-pcomplete)))
(defun erc-pcomplete ()
"Complete the nick before point."
(interactive)
(when (> (point) (erc-beg-of-input-line))
(let ((last-command (if (eq last-command 'erc-complete-word)
'pcomplete
last-command)))
(call-interactively 'pcomplete))
t))
;;; Setup function
(defun pcomplete-erc-setup ()
"Setup `erc-mode' to use pcomplete."
(set (make-local-variable 'pcomplete-ignore-case)
t)
(set (make-local-variable 'pcomplete-use-paring)
nil)
(set (make-local-variable 'pcomplete-suffix-list)
'(? ?:))
(set (make-local-variable 'pcomplete-parse-arguments-function)
'pcomplete-parse-erc-arguments)
(set (make-local-variable 'pcomplete-command-completion-function)
'pcomplete/erc-mode/complete-command)
(set (make-local-variable 'pcomplete-command-name-function)
'pcomplete-erc-command-name)
(set (make-local-variable 'pcomplete-default-completion-function)
(lambda () (pcomplete-here (pcomplete-erc-nicks)))))
;;; Programmable completion logic
(defun pcomplete/erc-mode/complete-command ()
(pcomplete-here
(append
(pcomplete-erc-commands)
(pcomplete-erc-nicks erc-pcomplete-nick-postfix t))))
(defvar erc-pcomplete-ctcp-commands
'("ACTION" "CLIENTINFO" "ECHO" "FINGER" "PING" "TIME" "USERINFO" "VERSION"))
(defun pcomplete/erc-mode/CTCP ()
(pcomplete-here (pcomplete-erc-nicks))
(pcomplete-here erc-pcomplete-ctcp-commands))
(defun pcomplete/erc-mode/CLEARTOPIC ()
(pcomplete-here (pcomplete-erc-channels)))
(defun pcomplete/erc-mode/DEOP ()
(while (pcomplete-here (pcomplete-erc-ops))))
(defun pcomplete/erc-mode/DESCRIBE ()
(pcomplete-here (pcomplete-erc-nicks)))
(defun pcomplete/erc-mode/IDLE ()
(while (pcomplete-here (pcomplete-erc-nicks))))
(defun pcomplete/erc-mode/KICK ()
(pcomplete-here (pcomplete-erc-channels))
(pcomplete-here (pcomplete-erc-nicks)))
(defun pcomplete/erc-mode/LOAD ()
(pcomplete-here (pcomplete-entries)))
(defun pcomplete/erc-mode/MODE ()
(pcomplete-here (pcomplete-erc-channels))
(while (pcomplete-here (pcomplete-erc-nicks))))
(defun pcomplete/erc-mode/ME ()
(while (pcomplete-here (pcomplete-erc-nicks))))
(defun pcomplete/erc-mode/SAY ()
(pcomplete-here (pcomplete-erc-nicks))
(pcomplete-here (pcomplete-erc-nicks))
(while (pcomplete-here (pcomplete-erc-nicks))))
(defun pcomplete/erc-mode/MSG ()
(pcomplete-here (append (pcomplete-erc-all-nicks)
(pcomplete-erc-channels)))
(while (pcomplete-here (pcomplete-erc-nicks))))
(defun pcomplete/erc-mode/NAMES ()
(while (pcomplete-here (pcomplete-erc-channels))))
(defalias 'pcomplete/erc-mode/NOTICE 'pcomplete/erc-mode/MSG)
(defun pcomplete/erc-mode/OP ()
(while (pcomplete-here (pcomplete-erc-not-ops))))
(defun pcomplete/erc-mode/PART ()
(pcomplete-here (pcomplete-erc-channels)))
(defalias 'pcomplete/erc-mode/LEAVE 'pcomplete/erc-mode/PART)
(defun pcomplete/erc-mode/QUERY ()
(pcomplete-here (append (pcomplete-erc-all-nicks)
(pcomplete-erc-channels)))
(while (pcomplete-here (pcomplete-erc-nicks)))
)
(defun pcomplete/erc-mode/SOUND ()
(while (pcomplete-here (pcomplete-entries))))
(defun pcomplete/erc-mode/TOPIC ()
(pcomplete-here (pcomplete-erc-channels)))
(defun pcomplete/erc-mode/WHOIS ()
(while (pcomplete-here (pcomplete-erc-nicks))))
(defun pcomplete/erc-mode/UNIGNORE ()
(pcomplete-here (erc-with-server-buffer erc-ignore-list)))
;;; Functions that provide possible completions.
(defun pcomplete-erc-commands ()
"Returns a list of strings of the defined user commands."
(let ((case-fold-search nil))
(mapcar (lambda (x)
(concat "/" (downcase (substring (symbol-name x) 8))))
(apropos-internal "erc-cmd-[A-Z]+"))))
(defun pcomplete-erc-ops ()
"Returns a list of nicks with ops."
(let (ops)
(maphash (lambda (nick cdata)
(if (and (cdr cdata)
(erc-channel-user-op (cdr cdata)))
(setq ops (cons nick ops))))
erc-channel-users)
ops))
(defun pcomplete-erc-not-ops ()
"Returns a list of nicks without ops."
(let (not-ops)
(maphash (lambda (nick cdata)
(if (and (cdr cdata)
(not (erc-channel-user-op (cdr cdata))))
(setq not-ops (cons nick not-ops))))
erc-channel-users)
not-ops))
(defun pcomplete-erc-nicks (&optional postfix ignore-self)
"Returns a list of nicks in the current channel.
Optional argument POSTFIX is something to append to the nickname.
If optional argument IGNORE-SELF is non-nil, don't return the current nick."
(let ((users (if erc-pcomplete-order-nickname-completions
(erc-sort-channel-users-by-activity
(erc-get-channel-user-list))
(erc-get-channel-user-list)))
(nicks nil))
(dolist (user users)
(unless (and ignore-self
(string= (erc-server-user-nickname (car user))
(erc-current-nick)))
(setq nicks (cons (concat (erc-server-user-nickname (car user))
postfix)
nicks))))
(nreverse nicks)))
(defun pcomplete-erc-all-nicks (&optional postfix)
"Returns a list of all nicks on the current server."
(let (nicks)
(erc-with-server-buffer
(maphash (lambda (nick user)
(setq nicks (cons (concat nick postfix) nicks)))
erc-server-users))
nicks))
(defun pcomplete-erc-channels ()
"Returns a list of channels associated with the current server."
(mapcar (lambda (buf) (with-current-buffer buf (erc-default-target)))
(erc-channel-list erc-server-process)))
;;; Functions for parsing
(defun pcomplete-erc-command-name ()
"Returns the command name of the first argument."
(if (eq (elt (pcomplete-arg 'first) 0) ?/)
(upcase (substring (pcomplete-arg 'first) 1))
"SAY"))
(defun pcomplete-parse-erc-arguments ()
"Returns a list of parsed whitespace-separated arguments.
These are the words from the beginning of the line after the prompt
up to where point is right now."
(let* ((start erc-input-marker)
(end (point))
args beginnings)
(save-excursion
(if (< (skip-chars-backward " \t\n" start) 0)
(setq args '("")
beginnings (list end)))
(setq end (point))
(while (< (skip-chars-backward "^ \t\n" start) 0)
(setq beginnings (cons (point) beginnings)
args (cons (buffer-substring-no-properties
(point) end)
args))
(skip-chars-backward " \t\n" start)
(setq end (point))))
(cons args beginnings)))
(provide 'erc-pcomplete)
;;; erc-pcomplete.el ends here
;;
;; Local Variables:
;; indent-tabs-mode: nil
;; End:
;; arch-tag: 32a7703b-be87-45a4-82f3-9eed5a628911
|
