From 90f3ed8450328cdf5677458bde6cab872f547461 Mon Sep 17 00:00:00 2001
From: William Xu <william.xwl@gmail.com>
Date: Fri, 27 Nov 2009 21:54:46 +0800
Subject: emms-cue.el (emms-info-cueinfo): New function for retrieving track
 info.

- (emms-cue-next-track): Replace find-file-noselect with
  emms-insert-file-contents.
- emms-setup.el: Add emms-info-cueinfo to emms-info-functions.
---
 lisp/emms-cue.el   | 29 ++++++++++++++++++++++++++++-
 lisp/emms-setup.el |  3 ++-
 2 files changed, 30 insertions(+), 2 deletions(-)

diff --git a/lisp/emms-cue.el b/lisp/emms-cue.el
index 03d0b28..aefcafd 100644
--- a/lisp/emms-cue.el
+++ b/lisp/emms-cue.el
@@ -28,6 +28,7 @@
 ;;; Code:
 
 (require 'emms-playing-time)
+(require 'emms-info)
 
 (defun emms-cue-next ()
   "Play next track from .cue file."
@@ -57,7 +58,8 @@ When PREVIOUS-P is t, get previous track info instead."
          (name (emms-track-get track 'name))
          (cue (concat (file-name-sans-extension name)".cue")))
     (when (file-exists-p cue)
-      (with-current-buffer (find-file-noselect cue)
+      (with-temp-buffer
+        (emms-insert-file-contents cue)
         (save-excursion
           (if previous-p
               (goto-char (point-max))
@@ -88,6 +90,31 @@ When PREVIOUS-P is t, get previous track info instead."
   "See `emms-cue-next-track'."
   (emms-cue-next-track t))
 
+(defun emms-info-cueinfo (track)
+  "Add track information to TRACK.
+This is a useful element for `emms-info-functions'."
+  (when (and (eq 'file (emms-track-type track))
+             (string-match "\\.\\(ape\\|flac\\)\\'" (emms-track-name track)))
+    (let ((cue (concat (file-name-sans-extension (emms-track-name track))
+                       ".cue")))
+      (when (file-exists-p cue)
+        (with-temp-buffer
+          (emms-insert-file-contents cue)
+          (save-excursion
+            (mapc (lambda (i)
+                    (goto-char (point-min))
+                    (when (let ((case-fold-search t))
+                            (search-forward-regexp 
+                             (concat (car i) " \\(.*\\)") nil t 1))
+                      (emms-track-set track 
+                                      (cdr i)
+                                      (replace-regexp-in-string
+                                       "\\`\"\\|\"\\'" "" (match-string 1)))))
+                  '(("performer" . info-artist)
+                    ("title" . info-album)
+                    ("title" . info-title)
+                    ("rem date" . info-year)))))))))
+
 
 (provide 'emms-cue)
 ;;; emms-cue.el ends here
diff --git a/lisp/emms-setup.el b/lisp/emms-setup.el
index c8cc2ae..a5bd504 100644
--- a/lisp/emms-setup.el
+++ b/lisp/emms-setup.el
@@ -143,7 +143,8 @@ on the edge."
   ;; setup
   (add-hook 'emms-player-started-hook 'emms-last-played-update-current)
   (emms-score 1)
-  (emms-playlist-limit 1))
+  (emms-playlist-limit 1)
+  (add-to-list 'emms-info-functions 'emms-info-cueinfo))
 
 ;;;###autoload
 (defun emms-default-players ()
-- 
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