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;;; emms-url.el --- Make URL and EMMS work together well
;; Copyright (C) 2006, 2007 Free Software Foundation, Inc.
;; This file is part of EMMS.
;; EMMS 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 2, or (at your option)
;; any later version.
;;
;; EMMS 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 EMMS; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Commentary:
;; These routines sanify input to URL and parse data returned by URL.
;;; Code:
(require 'url)
(defvar emms-url-specials
'((?\ . "%20")
(?\n . "%0D%0A"))
"*An alist of characters which must be represented specially in URLs.
The transformation is the key of the pair.")
(defun emms-escape-url (url)
"Escape specials in URL.
The specials to escape are specified by the `emms-url-specials'
variable."
(apply (function concat)
(mapcar
(lambda (ch)
(let ((repl (assoc ch emms-url-specials)))
(if (null repl)
(char-to-string ch)
(cdr repl))))
(append url nil))))
(defun emms-http-content-coding ()
(and (boundp 'url-http-content-type)
(string-match ";\\s-*charset=\\([^;[:space:]]+\\)"
url-http-content-type)
(intern-soft (downcase (match-string 1 url-http-content-type)))))
(defun emms-http-decode-buffer ()
"Recode the buffer with `url-retrieve's contents. Else the
buffer would contain multibyte chars like \\123\\456."
(let* ((default (or (car default-process-coding-system) 'utf-8))
(coding (or (emms-http-content-coding) default)))
;; (pop-to-buffer (current-buffer))
;; (message "content-type: %s" url-http-content-type)
;; (message "coding: %S [default: %S]" coding default)
(set-buffer-multibyte t)
(decode-coding-region (point-min) (point-max) coding)))
(provide 'emms-url)
;;; emms-url.el ends here
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