sticker: convert to C++

1 files changed, 166 insertions, 0 deletions

diff --git a/src/SongSticker.cxx b/src/SongSticker.cxx
new file mode 100644
index 00000000..b32ef9d4
--- /dev/null
+++ b/src/SongSticker.cxx
@@ -0,0 +1,166 @@
+/*
+ * 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.
+ */
+
+#include "config.h"
+#include "SongSticker.hxx"
+#include "StickerDatabase.hxx"
+#include "song.h"
+#include "directory.h"
+
+#include <glib.h>
+
+#include <assert.h>
+#include <string.h>
+
+char *
+sticker_song_get_value(const struct song *song, const char *name)
+{
+	char *uri, *value;
+
+	assert(song != NULL);
+	assert(song_in_database(song));
+
+	uri = song_get_uri(song);
+	value = sticker_load_value("song", uri, name);
+	g_free(uri);
+
+	return value;
+}
+
+bool
+sticker_song_set_value(const struct song *song,
+		       const char *name, const char *value)
+{
+	char *uri;
+	bool ret;
+
+	assert(song != NULL);
+	assert(song_in_database(song));
+
+	uri = song_get_uri(song);
+	ret = sticker_store_value("song", uri, name, value);
+	g_free(uri);
+
+	return ret;
+}
+
+bool
+sticker_song_delete(const struct song *song)
+{
+	char *uri;
+	bool ret;
+
+	assert(song != NULL);
+	assert(song_in_database(song));
+
+	uri = song_get_uri(song);
+	ret = sticker_delete("song", uri);
+	g_free(uri);
+
+	return ret;
+}
+
+bool
+sticker_song_delete_value(const struct song *song, const char *name)
+{
+	char *uri;
+	bool success;
+
+	assert(song != NULL);
+	assert(song_in_database(song));
+
+	uri = song_get_uri(song);
+	success = sticker_delete_value("song", uri, name);
+	g_free(uri);
+
+	return success;
+}
+
+struct sticker *
+sticker_song_get(const struct song *song)
+{
+	char *uri;
+	struct sticker *sticker;
+
+	assert(song != NULL);
+	assert(song_in_database(song));
+
+	uri = song_get_uri(song);
+	sticker = sticker_load("song", uri);
+	g_free(uri);
+
+	return sticker;
+}
+
+struct sticker_song_find_data {
+	struct directory *directory;
+	const char *base_uri;
+	size_t base_uri_length;
+
+	void (*func)(struct song *song, const char *value,
+		     gpointer user_data);
+	gpointer user_data;
+};
+
+static void
+sticker_song_find_cb(const char *uri, const char *value, gpointer user_data)
+{
+	struct sticker_song_find_data *data =
+		(struct sticker_song_find_data *)user_data;
+	struct song *song;
+
+	if (memcmp(uri, data->base_uri, data->base_uri_length) != 0)
+		/* should not happen, ignore silently */
+		return;
+
+	song = directory_lookup_song(data->directory,
+				     uri + data->base_uri_length);
+	if (song != NULL)
+		data->func(song, value, data->user_data);
+}
+
+bool
+sticker_song_find(struct directory *directory, const char *name,
+		  void (*func)(struct song *song, const char *value,
+			       gpointer user_data),
+		  gpointer user_data)
+{
+	struct sticker_song_find_data data;
+	data.directory = directory;
+	data.func = func;
+	data.user_data = user_data;
+
+	char *allocated;
+	data.base_uri = directory_get_path(directory);
+	if (*data.base_uri != 0)
+		/* append slash to base_uri */
+		data.base_uri = allocated =
+			g_strconcat(data.base_uri, "/", NULL);
+	else
+		/* searching in root directory - no trailing slash */
+		allocated = NULL;
+
+	data.base_uri_length = strlen(data.base_uri);
+
+	bool success = sticker_find("song", data.base_uri, name,
+				    sticker_song_find_cb, &data);
+	g_free(allocated);
+
+	return success;
+}