command: add commands "addtagid", "cleartagid"

src/command/AllCommands.cxx

@@ -20,6 +20,7 @@
 #include "config.h"
 #include "AllCommands.hxx"
 #include "QueueCommands.hxx"
+#include "TagCommands.hxx"
 #include "PlayerCommands.hxx"
 #include "PlaylistCommands.hxx"
 #include "DatabaseCommands.hxx"
@@ -74,9 +75,11 @@ handle_not_commands(Client &client, int argc, char *argv[]);
 static const struct command commands[] = {
 	{ "add", PERMISSION_ADD, 1, 1, handle_add },
 	{ "addid", PERMISSION_ADD, 1, 2, handle_addid },
+	{ "addtagid", PERMISSION_ADD, 3, 3, handle_addtagid },
 	{ "channels", PERMISSION_READ, 0, 0, handle_channels },
 	{ "clear", PERMISSION_CONTROL, 0, 0, handle_clear },
 	{ "clearerror", PERMISSION_CONTROL, 0, 0, handle_clearerror },
+	{ "cleartagid", PERMISSION_ADD, 1, 2, handle_cleartagid },
 	{ "close", PERMISSION_NONE, -1, -1, handle_close },
 	{ "commands", PERMISSION_NONE, 0, 0, handle_commands },
 	{ "config", PERMISSION_ADMIN, 0, 0, handle_config },

src/command/TagCommands.cxx

@@ -0,0 +1,78 @@
+/*
+ * 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 "TagCommands.hxx"
+#include "CommandError.hxx"
+#include "Client.hxx"
+#include "protocol/ArgParser.hxx"
+#include "protocol/Result.hxx"
+#include "tag/Tag.hxx"
+#include "Partition.hxx"
+
+CommandResult
+handle_addtagid(Client &client, gcc_unused int argc, char *argv[])
+{
+	unsigned song_id;
+	if (!check_unsigned(client, &song_id, argv[1]))
+		return CommandResult::ERROR;
+
+	const char *const tag_name = argv[2];
+	const TagType tag_type = tag_name_parse_i(tag_name);
+	if (tag_type == TAG_NUM_OF_ITEM_TYPES) {
+		command_error(client, ACK_ERROR_ARG,
+			      "Unknown tag type: %s", tag_name);
+		return CommandResult::ERROR;
+	}
+
+	const char *const value = argv[3];
+
+	Error error;
+	if (!client.partition.playlist.AddSongIdTag(song_id, tag_type, value,
+						    error))
+		return print_error(client, error);
+
+	return CommandResult::OK;
+}
+
+CommandResult
+handle_cleartagid(Client &client, int argc, char *argv[])
+{
+	unsigned song_id;
+	if (!check_unsigned(client, &song_id, argv[1]))
+		return CommandResult::ERROR;
+
+	TagType tag_type = TAG_NUM_OF_ITEM_TYPES;
+	if (argc >= 3) {
+		const char *const tag_name = argv[2];
+		tag_type = tag_name_parse_i(tag_name);
+		if (tag_type == TAG_NUM_OF_ITEM_TYPES) {
+			command_error(client, ACK_ERROR_ARG,
+				      "Unknown tag type: %s", tag_name);
+			return CommandResult::ERROR;
+		}
+	}
+
+	Error error;
+	if (!client.partition.playlist.ClearSongIdTag(song_id, tag_type,
+						      error))
+		return print_error(client, error);
+
+	return CommandResult::OK;
+}

src/command/TagCommands.hxx

@@ -0,0 +1,33 @@
+/*
+ * 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_COMMANDS_HXX
+#define MPD_TAG_COMMANDS_HXX
+
+#include "CommandResult.hxx"
+
+class Client;
+
+CommandResult
+handle_addtagid(Client &client, int argc, char *argv[]);
+
+CommandResult
+handle_cleartagid(Client &client, int argc, char *argv[]);
+
+#endif