branch: externals/mpdired
commit ec768308ac026f508cba33c5be3e52b4e894dbfe
Author: Manuel Giraud <man...@ledu-giraud.fr>
Commit: Manuel Giraud <man...@ledu-giraud.fr>
a recursive parser for listall
---
mpdired.el | 72 +++++++++++++++++++++++++++++++++++++++++++++++---------------
1 file changed, 55 insertions(+), 17 deletions(-)
diff --git a/mpdired.el b/mpdired.el
index f6d511cf21..4f2ecf8b64 100644
--- a/mpdired.el
+++ b/mpdired.el
@@ -4,24 +4,61 @@
(defcustom mpdired-port (or (getenv "MPD_PORT") 6600)
"Host for MPD.")
-(defun my-filter (proc string)
- (when (buffer-live-p (process-buffer proc))
- (with-current-buffer (process-buffer proc)
- (let ((moving (= (point) (process-mark proc))))
- (save-excursion
- ;; Insert the text, advancing the process marker.
- (goto-char (process-mark proc))
- (insert string)
- (set-marker (process-mark proc) (point)))
- (if moving (goto-char (process-mark proc)))
- (when (re-search-backward "^OK$" nil t)
- (goto-char (point-min))
- (set-buffer-modified-p nil)
- (message "Fini"))))))
+(defun mpdired--subdir-p (dir-a dir-b)
+ (let ((pos (string-search dir-a dir-b)))
+ (and pos (zerop pos))))
+
+(defvar mpdired--parse-end nil)
+
+(defun mpdired--parse-listall-1 (current accum)
+ ;; Recursively rebuild the directory hierarchy from a "listall"
+ ;; command into a list. In the output, a directory is list which
+ ;; `car' is its name and its `cdr' is the files or other directory
+ ;; it contains.
+ (catch 'exit
+ (while (not (or mpdired--parse-end
+ (setq mpdired--parse-end
+ (re-search-forward "^OK$" (line-end-position) t 1))))
+ ;; Look for file or directory line by line (I'm not interested
+ ;; in playlist)
+ (re-search-forward "^\\(file\\|directory\\): \\(.*\\)$"
(line-end-position) t 1)
+ (let ((type (match-string 1))
+ (new (match-string 2)))
+ (cond ((string= "file" type) (push new accum))
+ ((string= "directory" type)
+ ;; This new directory is either a subdir of the current
+ ;; one or a new directory of the same level of the
+ ;; current one. In this last case we need to go one
+ ;; line backward and quit the loop.
+ (cond ((mpdired--subdir-p current new)
+ (forward-line)
+ (push (mpdired--parse-listall-1 new (list new)) accum))
+ (t (forward-line -1)
+ (throw 'exit t))))))
+ (forward-line)))
+ (reverse accum))
+
+(defun mpdired--parse-listall ()
+ ;; Called from *mpdired-work*
+ (goto-char (point-min))
+ (setq mpdired--parse-end nil)
+ ;; XXX Empty string is the directory name of the toplevel directory.
+ (mpdired--parse-listall-1 "" (list "")))
+
+(defun mpdired-present-listall (contact)
+ ;; Called from *mpdired-work*
+ (let ((out (get-buffer-create (format "*MPDired (%s:%d)*"
+ (car contact) (cadr contact))))
+ (content (mpdired--parse-listall)))
+ (with-current-buffer out
+ (erase-buffer)
+ (dolist (e content)
+ (cond ((stringp e) (insert (format "%s\n" e)))
+ ((consp e) (insert (format ">%s\n" (car e)))))))))
(defun msg-me (process event)
- (princ
- (format "Process: %s had the event '%s'" process event)))
+ (unless (string-search "connection broken" event)
+ (message "Process: %s had the event '%s'" process event)))
(defvar mpdired-process nil)
@@ -31,7 +68,8 @@
(file-exists-p (expand-file-name host)))
(defun mpc-connect ()
- (with-current-buffer (get-buffer-create "*mpc*")
+ (with-current-buffer (get-buffer-create "*mpdired-work*")
+ (setq-local buffer-read-only nil)
(erase-buffer)
(let* ((localp (mpdired-local-p mpdired-host))
(host (if localp (expand-file-name mpdired-host) mpdired-host)))
