db_visitor: delete obsolete header

Makefile.am

@@ -263,7 +263,6 @@ src_mpd_SOURCES = \
 	src/db_error.h \
 	src/db_lock.c src/db_lock.h \
 	src/db_save.c src/db_save.h \
-	src/db_visitor.h \
 	src/DatabasePlugin.hxx \
 	src/DatabaseVisitor.hxx \
 	src/DatabaseSelection.hxx \

src/DatabaseGlue.cxx

@@ -25,7 +25,6 @@ extern "C" {
 #include "database.h"
 #include "db_error.h"
 #include "db_save.h"
-#include "db_visitor.h"
 #include "stats.h"
 #include "conf.h"
 #include "glib_compat.h"

src/Directory.cxx

@@ -26,7 +26,6 @@ extern "C" {
 #include "playlist_vector.h"
 #include "path.h"
 #include "util/list_sort.h"
-#include "db_visitor.h"
 #include "db_lock.h"
 #include "locate.h"
 }

src/db/ProxyDatabasePlugin.cxx

@@ -25,9 +25,6 @@
 
 extern "C" {
 #include "db_error.h"
-#include "db_visitor.h"
-#include "db_save.h"
-#include "db_lock.h"
 #include "conf.h"
 #include "song.h"
 #include "tag.h"

src/db/SimpleDatabasePlugin.cxx

@@ -23,7 +23,6 @@
 
 extern "C" {
 #include "db_error.h"
-#include "db_visitor.h"
 #include "db_save.h"
 #include "db_lock.h"
 #include "conf.h"

src/db_visitor.h

@@ -1,54 +0,0 @@
-/*
- * Copyright (C) 2003-2011 The Music Player Daemon Project
- * http://www.musicpd.org
- *
- * 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 of the License, 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.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#ifndef MPD_DB_VISITOR_H
-#define MPD_DB_VISITOR_H
-
-struct directory;
-struct song;
-struct playlist_metadata;
-
-struct db_visitor {
-	/**
-	 * Visit a directory.  Optional method.
-	 *
-	 * @return true to continue the operation, false on error (set error_r)
-	 */
-	bool (*directory)(const struct directory *directory, void *ctx,
-			  GError **error_r);
-
-	/**
-	 * Visit a song.  Optional method.
-	 *
-	 * @return true to continue the operation, false on error (set error_r)
-	 */
-	bool (*song)(struct song *song, void *ctx, GError **error_r);
-
-	/**
-	 * Visit a playlist.  Optional method.
-	 *
-	 * @param directory the directory the playlist resides in
-	 * @return true to continue the operation, false on error (set error_r)
-	 */
-	bool (*playlist)(const struct playlist_metadata *playlist,
-			 const struct directory *directory, void *ctx,
-			 GError **error_r);
-};
-
-#endif