tag_id3: convert to C++

src/TagId3.hxx

@@ -0,0 +1,71 @@
+/*
+ * 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
+ * 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_TAG_ID3_HXX
+#define MPD_TAG_ID3_HXX
+
+#include "check.h"
+#include "gcc.h"
+#include "gerror.h"
+
+#include <stdbool.h>
+
+struct tag_handler;
+struct tag;
+
+#ifdef HAVE_ID3TAG
+
+bool
+tag_id3_scan(const char *path_fs,
+	     const struct tag_handler *handler, void *handler_ctx);
+
+struct id3_tag;
+struct tag *tag_id3_import(struct id3_tag *);
+
+/**
+ * Loads the ID3 tags from the file into a libid3tag object.  The
+ * return value must be freed with id3_tag_delete().
+ *
+ * @return NULL on error or if no ID3 tag was found in the file (no
+ * GError will be set)
+ */
+struct id3_tag *
+tag_id3_load(const char *path_fs, GError **error_r);
+
+/**
+ * Import all tags from the provided id3_tag *tag
+ *
+ */
+void
+scan_id3_tag(struct id3_tag *tag,
+	     const struct tag_handler *handler, void *handler_ctx);
+
+#else
+
+static inline bool
+tag_id3_scan(gcc_unused const char *path_fs,
+	     gcc_unused const struct tag_handler *handler,
+	     gcc_unused void *handler_ctx)
+{
+	return false;
+}
+
+#endif
+
+#endif