;;; weechat-complete --- completions for weechat.el. ;; -*- lexical-binding: t -*- ;; Copyright (C) 2013 Rüdiger Sonderfeld ;; Parts copied from `erc-pcomplete.el' are ;; Copyright (C) 2002-2004, 2006-2013 Free Software Foundation, Inc. ;; Author: Rüdiger Sonderfeld ;; Moritz Ulrich ;; Aristid Breitkreuz ;; Martin Yrjölä ;; Keywords: irc chat network weechat ;; URL: https://github.com/the-kenny/weechat.el ;; This program 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 of the License, or ;; (at your option) any later version. ;; This program 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 this program. If not, see . ;;; Commentary: ;; Completions for weechat.el. Parts of the code are copied from ;; `erc-pcomplete.el'. ;;; Code: (require 'weechat) (require 'pcomplete) (require 's) (defvar weechat-user-list) (defvar weechat-prompt-end-marker) (defcustom weechat-complete-nick-prefix-and-postfix-alist nil "Alist of nick prefixes and postfixes to use for certain buffers Each element looks like (BUFFER-NAME-REGEXP . (NICK-PREFIX . NICK-POSTFIX). If BUFFER-NAME-REGEXP matches the current buffer, then NICK-PREFIX is pushed to the beginning of each nick in `weechat-user-list' and NICK-POSTFIX is appended to them. One common use case is that a messaging service provides an IRC server (e.g. Flowdock and Gitter), but the mentions have to be prefixed with '@' to be highlighted in the other clients." :type '(alist :key-type regexp :value-type (cons string string)) :group 'weechat) (defcustom weechat-complete-nick-postfix ":" "Postfix to nick completions at the beginning of the prompt. Can be overriden by `weechat-complete-nick-prefix-and-postfix-alist'" :type 'string :group 'weechat) (defcustom weechat-complete-nick-ignore-self t "Wether to ignore yourself when completing at the begginning of the input line Make sure to rebuild each buffer after changing this variable." :type 'boolean :group 'weechat) (defun weechat-pcompletions-at-point () "WeeChat completion data from pcomplete. for use on `completion-at-point-function'. Copied from `erc-pcompletions-at-point'." (when (and (eq major-mode 'weechat-mode) (>= (point) weechat-prompt-end-marker)) (or (let ((pcomplete-default-completion-function #'ignore)) (pcomplete-completions-at-point)) (let ((c (pcomplete-completions-at-point))) (if c (nconc c '(:exclusive no))))))) (defun pcomplete-weechat-setup () "Setup pcomplete for `weechat-mode'." (set (make-local-variable 'pcomplete-ignore-case) t) (set (make-local-variable 'pcomplete-use-paring) nil) (set (make-local-variable 'pcomplete-parse-arguments-function) #'pcomplete-weechat-parse-arguments) (set (make-local-variable 'pcomplete-command-completion-function) #'pcomplete/weechat/complete-command) (set (make-local-variable 'pcomplete-command-name-function) #'pcomplete-weechat-command-name) (set (make-local-variable 'pcomplete-default-completion-function) (lambda () (pcomplete-here (pcomplete-weechat-nicks))))) (defun pcomplete-weechat-parse-arguments () "Return 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. Copied from `pcomplete-erc-parse-arguments'." (let* ((start weechat-prompt-end-marker) (end (point)) args beginnings) (save-excursion (when (< (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))) (defun pcomplete-weechat-command-name () "Return the command name of the first argument. Copied from `pcomplete-erc-command-name'." (if (eq (aref (pcomplete-arg 'first) 0) ?/) (upcase (substring (pcomplete-arg 'first) 1)) "SAY")) (defun pcomplete/weechat/complete-command () "Complete the initial command argument." (pcomplete-here (append (pcomplete-weechat-commands) (pcomplete-weechat-nicks weechat-complete-nick-postfix weechat-complete-nick-ignore-self)))) (defun pcomplete/weechat-mode/WHOIS () (pcomplete-here (pcomplete-weechat-all-nicks))) (defun pcomplete/weechat-mode/QUERY () (pcomplete-here (pcomplete-weechat-all-nicks))) (defun pcomplete/weechat-mode/SAY () (while (pcomplete-here (pcomplete-weechat-nicks)))) (defun pcomplete-weechat-commands () "Return a list of user commands." '("/NICK" "/JOIN" "/PART" "/WHOIS" "/QUERY")) ;; TODO (defun pcomplete-weechat-nicks (&optional postfix ignore-self) "Return a list of nicks in the current channel. POSTFIX is an optional string to append to the nickname. If IGNORE-SELF is non-nil the users nick is ignored." (let* ((users weechat-user-list) (prefix-and-postfix (weechat-complete-nick-prefix-and-postfix-for-current-buffer)) (nick-prefix (car prefix-and-postfix)) (nick-postfix (if prefix-and-postfix (cdr prefix-and-postfix) postfix))) (when ignore-self (setq users (delete (weechat-get-local-var "nick") users))) (mapcar (lambda (nick) (concat nick-prefix nick nick-postfix)) users))) (defun weechat-complete-nick-prefix-and-postfix-for-current-buffer () "Returns the nick-prefix-and-postfix for the current buffer. The format is (nick-prefix . nick-postfix)." (let ((found-nick-prefix-and-postfix nil)) (mapc (lambda (element) (let ((buffer-name-regexp (car element)) (nick-prefix-and-postfix (cdr element))) (when (string-match buffer-name-regexp (buffer-name)) (setq found-nick-prefix-and-postfix nick-prefix-and-postfix)))) weechat-complete-nick-prefix-and-postfix-alist) found-nick-prefix-and-postfix)) (defun pcomplete-weechat-all-nicks () "Return nick list of all weechat buffers." (let (result) (weechat-do-buffers (setq result (cl-union weechat-user-list result :test #'s-equals?))) result)) (weechat-do-buffers (pcomplete-weechat-setup)) (add-hook 'weechat-mode-hook #'pcomplete-weechat-setup) (add-hook 'completion-at-point-functions #'weechat-pcompletions-at-point) (provide 'weechat-complete) ;;; weechat-complete.el ends here