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authorWilliam Xu <william.xwl@gmail.com>2008-06-17 14:43:45 +0900
committerWilliam Xu <william.xwl@gmail.com>2008-06-17 14:43:45 +0900
commit67f5263943276faee0de53d947b6191205ae7a43 (patch)
tree0e67fe4722894a3d4dc9806fc506617c8a0c8a7d /emms-url.el
parent964d7c3b354b66d0fba6f4eb7c2e058c2bfe2d59 (diff)
*.el -> lisp/*.el: Move lisp files into "lisp/" subdirectory.
Diffstat (limited to 'emms-url.el')
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diff --git a/emms-url.el b/emms-url.el
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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 3, 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)
-(require 'emms-compat)
-
-(defvar emms-url-specials-entire
- '((?\ . "%20")
- (?\n . "%0D%0A"))
- "*An alist of characters which must be represented specially in URLs.
-The transformation is the key of the pair.
-
-This is used by `emms-url-quote-entire'.")
-
-(defun emms-url-quote-entire (url)
- "Escape specials conservatively in an entire URL.
-
-The specials to escape are specified by the `emms-url-specials-entire'
-variable.
-
-If you want to escape parts of URLs thoroughly, then use
-`emms-url-quote' instead."
- (apply (function concat)
- (mapcar
- (lambda (ch)
- (let ((repl (assoc ch emms-url-specials-entire)))
- (if (null repl)
- (char-to-string ch)
- (cdr repl))))
- (append url nil))))
-
-(defun emms-url-quote (s &optional safe)
- "Replace special characters in S using the `%xx' escape.
-This is useful for escaping parts of URLs, but not entire URLs.
-
-Characters in [a-zA-Z_.-/] and SAFE(default is \"\") will never be
-quoted.
-e.g.,
- (emms-url-quote \"abc def\") => \"abc%20def\"."
- (if (not (stringp s))
- ""
- (or safe (setq safe ""))
- (save-match-data
- (let ((re (if (string-match "]" safe)
- ;; `]' should be placed at the beginning inside []
- (format "[]a-zA-Z_.-/%s]"
- (emms-replace-regexp-in-string "]" "" safe))
- (format "[a-zA-Z_.-/%s]" safe))))
- (mapconcat
- (lambda (c)
- (let ((s1 (char-to-string c)))
- (if (string-match re s1)
- s1
- (format "%%%02x" c))))
- (string-to-list (encode-coding-string s 'utf-8))
- "")))))
-
-(defun emms-url-quote-plus (s &optional safe)
- "Run (emms-url-quote s \" \"), then replace ` ' with `+'."
- (emms-replace-regexp-in-string
- " " "+" (emms-url-quote s (concat safe " "))))
-
-(defun emms-http-content-coding ()
- (save-match-data
- (and (boundp 'url-http-content-type)
- (stringp 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 (&optional buffer)
- "Recode the buffer with `url-retrieve's contents. Else the
-buffer would contain multibyte chars like \\123\\456."
- (with-current-buffer (or buffer (current-buffer))
- (let* ((default (or (car default-process-coding-system) 'utf-8))
- (coding (or (emms-http-content-coding) default)))
- (when coding
- ;; (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