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95 lines
2.9 KiB
EmacsLisp
95 lines
2.9 KiB
EmacsLisp
;;; erc-replace.el --- wash and massage messages inserted into the buffer -*- lexical-binding: t; -*-
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;; Copyright (C) 2001-2002, 2004, 2006-2021 Free Software Foundation,
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;; Inc.
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;; Author: Andreas Fuchs <asf@void.at>
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;; Maintainer: Amin Bandali <bandali@gnu.org>
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;; URL: https://www.emacswiki.org/emacs/ErcReplace
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;; Keywords: comm, IRC, client, Internet
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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 of the License, or
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;; (at your option) 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. If not, see <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;; This module allows you to systematically replace text in incoming
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;; messages. Load erc-replace, and customize `erc-replace-alist'.
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;; Then add to your init file:
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;; (require 'erc-replace)
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;; (erc-replace-mode 1)
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;;; Code:
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(require 'erc)
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(defgroup erc-replace nil
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"Replace text from incoming messages"
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:group 'erc)
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(defcustom erc-replace-alist nil
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"Alist describing text to be replaced in incoming messages.
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This is useful for filters.
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The alist has elements of the form (FROM . TO). FROM can be a regular
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expression or a variable, or any sexp, TO can be a string or a
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function to call, or any sexp. If a function, it will be called with
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one argument, the string to be replaced, and it should return a
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replacement string."
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:type '(repeat (cons :tag "Search & Replace"
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(choice :tag "From"
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regexp
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variable
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sexp)
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(choice :tag "To"
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string
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function
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sexp))))
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(defun erc-replace-insert ()
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"Function to run from `erc-insert-modify-hook'.
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It replaces text according to `erc-replace-alist'."
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(mapcar (lambda (elt)
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(goto-char (point-min))
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(let ((from (car elt))
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(to (cdr elt)))
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(unless (stringp from)
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(setq from (eval from t)))
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(while (re-search-forward from nil t)
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(cond ((stringp to)
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(replace-match to))
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((functionp to)
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(replace-match (funcall to (match-string 0))))
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(t
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(eval to t))))))
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erc-replace-alist))
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;;;###autoload(autoload 'erc-replace-mode "erc-replace")
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(define-erc-module replace nil
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"This mode replaces incoming text according to `erc-replace-alist'."
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((add-hook 'erc-insert-modify-hook
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#'erc-replace-insert))
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((remove-hook 'erc-insert-modify-hook
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#'erc-replace-insert)))
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(provide 'erc-replace)
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;;; erc-replace.el ends here
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;;
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;; Local Variables:
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;; generated-autoload-file: "erc-loaddefs.el"
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;; End:
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