unofficial mirror of emacs-devel@gnu.org 
 help / color / mirror / code / Atom feed
blob 20a91b7a30df1a9b5fa353244fef213dc3fc826f 4589 bytes (raw)
name: lisp/erc/erc-xdcc.el 	 # note: path name is non-authoritative(*)

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
 
;;; erc-xdcc.el --- XDCC file-server support for ERC

;; Copyright (C) 2003-2004, 2006-2019 Free Software Foundation, Inc.

;; Author: Mario Lang <mlang@delysid.org>
;; Keywords: comm, processes

;; 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 of the License, 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.  If not, see <https://www.gnu.org/licenses/>.

;;; Commentary:

;; This file provides a very simple XDCC file server for ERC.

;;; Code:

(require 'erc-dcc)

(defcustom erc-xdcc-files nil
  "List of files to offer via XDCC.
Your friends should issue \"/ctcp yournick XDCC list\" to see this."
  :group 'erc-dcc
  :type '(repeat file))

(defcustom erc-xdcc-verbose-flag t
  "Report XDCC CTCP requests in the server buffer."
  :group 'erc-dcc
  :type 'boolean)

(defcustom erc-xdcc-handler-alist
  '(("help" . erc-xdcc-help)
    ("list" . erc-xdcc-list)
    ("send" . erc-xdcc-send))
  "Sub-command handler alist for XDCC CTCP queries."
  :group 'erc-dcc
  :type '(alist :key-type (string :tag "Sub-command") :value-type function))

(defcustom erc-xdcc-help-text
  '(("Hey " nick ", wondering how this works?  Pretty easy.")
    ("Available commands: XDCC ["
     (mapconcat 'car erc-xdcc-handler-alist "|") "]")
    ("Type \"/ctcp " (erc-current-nick)
     " XDCC list\" to see the list of offered files, then type \"/ctcp "
     (erc-current-nick) " XDCC send #\" to get a particular file number."))
  "Help text sent in response to XDCC help command.
A list of messages, each consisting of strings and expressions, expressions
being evaluated and should return strings."
  :group 'erc-dcc
  :type '(repeat (repeat :tag "Message" (choice string sexp))))

;;;###autoload(autoload 'erc-xdcc-mode "erc-xdcc")
(define-erc-module xdcc nil
  "Act as an XDCC file-server."
  nil nil)

;;;###autoload
(defun erc-xdcc-add-file (file)
  "Add a file to `erc-xdcc-files'."
  (interactive "fFilename to add to XDCC: ")
  (if (file-exists-p file)
      (add-to-list 'erc-xdcc-files file)))

(defun erc-xdcc-reply (proc nick msg)
  (process-send-string proc
   (format "PRIVMSG %s :%s\n" nick msg)))

;; CTCP query handlers

(defvar erc-ctcp-query-XDCC-hook '(erc-xdcc)
  "Hook called whenever a CTCP XDCC message is received.")

(defun erc-xdcc (proc nick login host to query)
  "Handle incoming CTCP XDCC queries."
  (when erc-xdcc-verbose-flag
    (erc-display-message nil 'notice proc
     (format "XDCC %s (%s@%s) sends %S" nick login host query)))
  (let* ((args (cdr (delete "" (split-string query " "))))
	 (handler (cdr (assoc (downcase (car args)) erc-xdcc-handler-alist))))
    (if (and handler (functionp handler))
	(funcall handler proc nick login host (cdr args))
      (erc-xdcc-reply
       proc nick
       (format "Unknown XDCC sub-command, try \"/ctcp %s XDCC help\""
	       (erc-current-nick))))))

(defun erc-xdcc-help (proc nick login host args)
  "Send basic help information to NICK."
  (mapc
   (lambda (msg)
     (erc-xdcc-reply proc nick
      (mapconcat (lambda (elt) (if (stringp elt) elt (eval elt))) msg "")))
   erc-xdcc-help-text))

(defun erc-xdcc-list (proc nick login host args)
  "Show the contents of `erc-xdcc-files' via privmsg to NICK."
  (if (null erc-xdcc-files)
      (erc-xdcc-reply proc nick "No files offered, sorry")
    (erc-xdcc-reply proc nick "Num  Filename")
    (erc-xdcc-reply proc nick "---  -------------")
    (let ((n 0))
      (dolist (file erc-xdcc-files)
	(erc-xdcc-reply proc nick
	 (format "%02d.  %s"
		 (setq n (1+ n))
		 (erc-dcc-file-to-name file)))))))

(defun erc-xdcc-send (proc nick login host args)
  "Send a file to NICK."
  (let ((n (string-to-number (car args)))
	(len (length erc-xdcc-files)))
    (cond
     ((= len 0)
      (erc-xdcc-reply proc nick "No files offered, sorry"))
     ((or (< n 1) (> n len))
      (erc-xdcc-reply proc nick (format "%d out of range" n)))
     (t (erc-dcc-send-file nick (nth (1- n) erc-xdcc-files) proc)))))

(provide 'erc-xdcc)

;;; erc-xdcc.el ends here
;;
;; Local Variables:
;; generated-autoload-file: "erc-loaddefs.el"
;; indent-tabs-mode: t
;; tab-width: 8
;; End:

debug log:

solving 20a91b7a30 ...
found 20a91b7a30 in https://git.savannah.gnu.org/cgit/emacs.git

(*) Git path names are given by the tree(s) the blob belongs to.
    Blobs themselves have no identifier aside from the hash of its contents.^

Code repositories for project(s) associated with this public inbox

	https://git.savannah.gnu.org/cgit/emacs.git

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).