Add emms-mp3tag and emms-i18n

darcs-hash:20061205065407-1e472-4680607fa20dfb5e818879d67781d1379602d473.gz

1 files changed, 328 insertions, 0 deletions

diff --git a/emms-mp3tag.el b/emms-mp3tag.el
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+++ b/emms-mp3tag.el
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+;;; emms-mp3tag.el ---
+
+;; Copyright 2006 Ye Wenbin
+;;
+;; Author: wenbinye@163.com
+;; Time-stamp: <Ye Wenbin 2006-12-05 14:52:46>
+;; Version: $Id: emms-mp3tag.el,v 1.5 2006/12/05 00:57:14 ywb Exp ywb $
+;; Keywords:
+;; X-URL: not distributed yet
+
+;; 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 2, 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, write to the Free Software
+;; Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+;;; Commentary:
+
+;;
+
+;; Put this file into your load-path and the following into your ~/.emacs:
+;;   (require 'emms-mp3tag)
+
+;;; Code:
+
+(provide 'emms-mp3tag)
+(eval-when-compile
+  (require 'cl))
+(require 'emms)
+(require 'emms-info-mp3info)
+(require 'emms-playlist-mode)
+(require 'emms-i18n)
+(require 'emms-mark)
+(require 'format-spec)
+
+(defvar emms-mp3tag-tags
+  '((info-artist      . "a")
+    (info-title       . "t")
+    (info-album       . "l")
+    (info-tracknumber . "n")
+    (info-year        . "y")
+    (info-genre       . "g")
+    (info-note        . "c")))
+
+(defvar emms-mp3tag-edit-buffer "*EMMS-TAGS*"
+  "Buffer name to edit mp3 tags")
+(defvar emms-mp3tag-log-buffer "*EMMS-LOG*"
+  "Buffer name of mp3tag edit log")
+
+(defvar emms-mp3tag-format
+  `(("default"
+     ,(format "%%m\n%s\n\n"
+              (mapconcat
+               (lambda (tag)
+                 (concat (propertize (format "%-16s = " (symbol-name (car tag)))
+                                     'read-only t 'rear-nonsticky t)
+                         "%" (cdr tag)))
+               (append '((name . "f")) emms-mp3tag-tags) "\n"))
+     emms-mp3tag-default-parser))
+  "The contents of this variable should look like:
+ ((NAME FORMATER PARSER) ...)
+
+The NAME is use to select proper format, and FORMATER should be a
+string or a function. When it is a string, it can use specification
+as:
+ m     --     Track description
+ f     --     Track name
+ a     --     Track info-artist
+ t     --     Track info-title
+ l     --     Track info-album
+ n     --     Track info-tracknumber
+ y     --     Track info-year
+ g     --     Track info-genre
+ c     --     Track info-note
+
+When it is a function, it recept a parameter, the track, and should
+return a string that to insert to `emms-mp3tag-edit-buffer'.
+
+The PARSER is a function to collect all track info in
+`emms-mp3tag-edit-buffer'. It should return the new tracks. If
+the track tag changed, it should add a new property tag-modified
+and set to non-nil. If the track name change, it should set new
+newname to the new file name.
+")
+
+(defvar emms-mp3tag-selected-format
+  (assoc "default" emms-mp3tag-format))
+
+(defun emms-mp3tag-select-format (format)
+  (interactive
+   (list (completing-read "Set edit format to: "
+                          emms-mp3tag-format nil t)))
+  (setq emms-mp3tag-select-format (assoc "default" emms-mp3tag-format)))
+
+(defun emms-mp3tag-format-track (format track)
+  (if (stringp format)
+      (format-spec
+       format
+       (apply 'format-spec-make
+              ?m (emms-propertize (emms-track-force-description track)
+                                  'face 'emms-playlist-track-face
+                                  'emms-track (copy-sequence track))
+              ?f (emms-track-name track)
+              (apply 'append
+                     (mapcar
+                      (lambda (pair)
+                        (list (aref (cdr pair) 0)
+                              (or (emms-track-get track (car pair)) "")))
+                      emms-mp3tag-tags))))
+    (funcall format track)))
+
+(defun emms-mp3tag-track-at (&optional pos)
+  (let ((track (emms-playlist-track-at pos))
+        newtrack)
+    (setq newtrack (copy-sequence track))
+    (emms-track-set newtrack 'position (point-marker))
+    (emms-track-set newtrack 'orig-track track)
+    newtrack))
+
+(defsubst emms-mp3tag-erase-buffer (&optional buf)
+  (let ((inhibit-read-only t))
+    (save-excursion
+      (set-buffer (get-buffer-create buf))
+      (erase-buffer))))
+
+(defun emms-mp3tag-insert-track (track)
+  (cond ((null track) nil)
+        ((not (eq (emms-track-get track 'type) 'file))
+         (emms-mp3tag-log "Track %s is not a local file!" (emms-track-name track)))
+        ((not (file-writable-p (emms-track-name track)))
+         (emms-mp3tag-log "The file %s is not writable" (emms-track-name track)))
+        (t (insert (emms-mp3tag-format-track
+                    (cadr emms-mp3tag-selected-format) track)))))
+
+(defun emms-mp3tag-insert-tracks (tracks)
+  (save-excursion
+    (emms-mp3tag-erase-buffer emms-mp3tag-log-buffer)
+    (emms-mp3tag-erase-buffer emms-mp3tag-edit-buffer)
+    (set-buffer (get-buffer emms-mp3tag-edit-buffer))
+    (mapc 'emms-mp3tag-insert-track tracks)
+    (emms-mp3tag-mode 1)
+    (pop-to-buffer (current-buffer))
+    (goto-char (point-min))
+    (emms-mp3tag-display-log-buffer-maybe)))
+
+(defun emms-mp3tag-edit-track (track)
+  (interactive (list (emms-mp3tag-track-at)))
+  (if (null track)
+      (message "No track at point!")
+    (emms-mp3tag-insert-tracks (list track))))
+
+(defun emms-mp3tag-edit-marked-tracks ()
+  (interactive)
+  (let ((tracks (emms-mark-mapcar-marked-track 'emms-mp3tag-track-at t)))
+    (if (null tracks)
+        (message "No track marked!")
+      (emms-mp3tag-insert-tracks tracks))))
+
+(defun emms-mp3tag-edit ()
+  (interactive)
+  (if (emms-mark-has-markedp)
+      (emms-mp3tag-edit-marked-tracks)
+    (emms-mp3tag-edit-track (emms-mp3tag-track-at))))
+
+(defsubst emms-mp3tag-display-log-buffer-maybe ()
+  (if (> (buffer-size (get-buffer emms-mp3tag-log-buffer)) 0)
+      (display-buffer emms-mp3tag-log-buffer)))
+
+(defvar emms-mp3tag-mode-map
+  (let ((map (make-sparse-keymap)))
+    (define-key map [tab] 'emms-mp3tag-next-field)
+    (define-key map [backtab] 'emms-mp3tag-prev-field)
+    (define-key map "\C-c\C-n" 'emms-mp3tag-next-track)
+    (define-key map "\C-c\C-p" 'emms-mp3tag-prev-track)
+    (define-key map "\C-c\C-c" 'emms-mp3tag-submit)
+    (define-key map "\C-c\C-r" 'emms-mp3tag-replace-all)
+    map))
+(define-key emms-playlist-mode-map "E" 'emms-mp3tag-edit)
+
+(define-minor-mode emms-mp3tag-mode
+  "A minor mode to edit mp3tag.
+\\{emms-mp3tag-mode-map}"
+  :lighter " MP3Tag"
+  :keymap emms-mp3tag-mode-map)
+
+(defun emms-mp3tag-replace-all (name value)
+  (interactive
+   (list (completing-read "Replace tag: "
+                          emms-mp3tag-tags nil t)
+         (read-from-minibuffer "Set tag to: ")))
+  (save-excursion
+    (goto-char (point-min))
+    (while (re-search-forward (concat "^" (regexp-quote name)) nil t)
+      (skip-chars-forward " \t=")
+      (delete-region (point) (line-end-position))
+      (insert value))))
+
+(defun emms-mp3tag-next-field (arg)
+  (interactive "p")
+  (if (> arg 0)
+      (re-search-forward "\\s-*=[ \t]*" nil nil arg)
+    (emms-mp3tag-prev-field (- arg))))
+
+(defun emms-mp3tag-prev-field (arg)
+  (interactive "p")
+  (if (< arg 0)
+      (emms-mp3tag-next-field (- arg))
+    (skip-chars-backward " \t=")
+    (re-search-backward "\\s-*=[ \t]*" nil nil arg)
+    (skip-chars-forward " \t=")))
+
+(defun emms-mp3tag-prev-track ()
+  (interactive)
+  (let ((prev (previous-single-property-change (point)
+                                               'emms-track)))
+    (when (not prev)
+      (error "No previous track"))
+    (when (not (get-text-property prev 'emms-track))
+      (setq prev (or (previous-single-property-change prev 'emms-track)
+                     (point-min))))
+    (when (or (not prev)
+              (not (get-text-property prev 'emms-track)))
+      (error "No previous track"))
+    (goto-char prev)))
+
+(defun emms-mp3tag-next-track ()
+  (interactive)
+  (let ((next (next-single-property-change (point)
+                                           'emms-track)))
+    (when (not next)
+      (error "No next track"))
+    (when (not (get-text-property next 'emms-track))
+      (setq next (next-single-property-change next 'emms-track)))
+    (when (or (not next)
+              (= next (point-max)))
+      (error "No next track"))
+    (goto-char next)))
+
+(defun emms-mp3tag-submit ()
+  (interactive)
+  (let ((tracks (funcall (nth 2 emms-mp3tag-selected-format)))
+        filename exit old pos args val need-sync)
+    (if (not (and tracks (y-or-n-p "Submit changes? ")))
+        (message "Nothing have to do!")
+      (emms-mp3tag-erase-buffer emms-mp3tag-log-buffer)
+      (message "Wait while set tags...")
+      (save-excursion
+        (dolist (track tracks)
+          (when (emms-track-get track 'tag-modified)
+            (setq filename (emms-track-name track)
+                  old (emms-track-get track 'orig-track))
+            (when (emms-track-get track 'newname)
+              (setq filename (emms-track-get track 'newname))
+              (rename-file (emms-track-name track) filename)
+              (emms-track-set old 'name filename)
+              ;; for re-enter this function
+              (setq need-sync t)
+              (emms-track-set track 'newname nil)
+              (emms-track-set track 'name filename))
+            (setq args nil)
+            (dolist (tag emms-mp3tag-tags)
+              (when (setq val (emms-track-get track (car tag)))
+                (emms-track-set old (car tag) val)
+                (setq args (append args (list (concat "-" (cdr tag)) val)))))
+            (unless (zerop (setq exit
+                                 (apply 'call-process emms-info-mp3info-program-name
+                                        nil nil nil
+                                        filename args)))
+              (emms-mp3tag-log "Change tags of %s failed with exit value %d" filename exit))
+            (when (and (setq pos (emms-track-get track 'position))
+                       (marker-position pos))
+              (set-buffer (marker-buffer pos))
+              (goto-char pos)
+              (funcall emms-playlist-update-track-function))
+            (emms-track-set track 'tag-modified nil))))
+      (if (and need-sync (y-or-n-p "You have change some track names, sync the cache? "))
+          (emms-cache-sync))
+      (emms-mp3tag-display-log-buffer-maybe)
+      (message "Set all mp3 tag done!"))))
+
+(defun emms-mp3tag-default-parser ()
+  (let (next tracks track key val)
+    (goto-char (point-min))
+    (if (get-text-property (point) 'emms-track)
+        (setq next (point))
+      (setq next (next-single-property-change (point)
+                                              'emms-track)))
+    (when next
+      (while
+          (progn
+            (goto-char next)
+            (setq track (get-text-property (point) 'emms-track))
+            (forward-line 1)
+            (mapc (lambda (pair)
+                    (when (string-match "\\s-*=\\s-*" pair)
+                      (setq key (intern-soft (substring pair 0 (match-beginning 0)))
+                            val (substring pair (match-end 0)))
+                      (when (and key
+                                 (> (length val) 0)
+                                 (not (string= val (emms-track-get track key))))
+                        (if (eq key 'name)
+                            (emms-track-set track 'newname val)
+                          (emms-track-set track key val))
+                        (emms-track-set track 'tag-modified t))))
+                  (split-string (buffer-substring (point)
+                                                  (or
+                                                   (setq next (next-single-property-change (point) 'emms-track))
+                                                   (point-max)))
+                                "\n"))
+            (if (emms-track-get track 'tag-modified)
+                (push track tracks))
+            next))
+      tracks)))
+
+(defun emms-mp3tag-log (&rest args)
+  (with-current-buffer (get-buffer-create emms-mp3tag-log-buffer)
+    (goto-char (point-max))
+    (insert (apply 'format args) "\n")))
+
+;;; emms-mp3tagedit.el ends here