tag_file: convert to C++

Makefile.am

@@ -269,7 +269,7 @@ src_mpd_SOURCES = \
 	src/TagPrint.cxx src/TagPrint.hxx \
 	src/TagSave.cxx src/TagSave.hxx \
 	src/tag_handler.c src/tag_handler.h \
-	src/tag_file.c src/tag_file.h \
+	src/TagFile.cxx src/TagFile.hxx \
 	src/tokenizer.c \
 	src/TextFile.cxx src/TextFile.hxx \
 	src/text_input_stream.c \
@@ -1115,7 +1115,7 @@ test_dump_playlist_SOURCES = test/dump_playlist.cxx \
 	src/ConfigFile.cxx src/tokenizer.c src/utils.c src/string_util.c\
 	src/uri.c \
 	src/Song.cxx src/Tag.cxx src/TagNames.c src/TagPool.cxx src/TagSave.cxx \
-	src/tag_handler.c src/tag_file.c \
+	src/tag_handler.c src/TagFile.cxx \
 	src/audio_check.c src/pcm_buffer.c \
 	src/text_input_stream.c \
 	src/cue/cue_parser.c src/cue/cue_parser.h \

src/TagFile.cxx

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2012 The Music Player Daemon Project
+ * Copyright (C) 2003-2013 The Music Player Daemon Project
  * http://www.musicpd.org
  *
  * This program is free software; you can redistribute it and/or modify
@@ -18,9 +18,13 @@
  */
 
 #include "config.h"
-#include "tag_file.h"
+#include "TagFile.hxx"
+
+extern "C" {
 #include "uri.h"
 #include "decoder_list.h"
+}
+
 #include "decoder_plugin.h"
 #include "input_stream.h"
 

src/TagFile.hxx

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2012 The Music Player Daemon Project
+ * Copyright (C) 2003-2013 The Music Player Daemon Project
  * http://www.musicpd.org
  *
  * This program is free software; you can redistribute it and/or modify
@@ -17,8 +17,8 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#ifndef MPD_TAG_FILE_H
-#define MPD_TAG_FILE_H
+#ifndef MPD_TAG_FILE_HXX
+#define MPD_TAG_FILE_HXX
 
 #include "check.h"
 

src/playlist/EmbeddedCuePlaylistPlugin.cxx

@@ -29,9 +29,9 @@
 #include "tag.h"
 #include "tag_handler.h"
 #include "song.h"
+#include "TagFile.hxx"
 
 extern "C" {
-#include "tag_file.h"
 #include "tag_ape.h"
 #include "tag_id3.h"
 #include "cue/cue_parser.h"