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