mpd/src/QueueCommands.cxx

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/*
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* Copyright (C) 2003-2013 The Music Player Daemon Project
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* 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 "QueueCommands.hxx"
#include "CommandError.hxx"
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#include "DatabaseQueue.hxx"
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#include "SongFilter.hxx"
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#include "Playlist.hxx"
#include "PlaylistPrint.hxx"
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#include "ClientFile.hxx"
#include "ClientInternal.hxx"
#include "protocol/ArgParser.hxx"
#include "protocol/Result.hxx"
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#include "ls.hxx"
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extern "C" {
#include "uri.h"
}
#include <string.h>
enum command_return
handle_add(Client *client, G_GNUC_UNUSED int argc, char *argv[])
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{
char *uri = argv[1];
enum playlist_result result;
if (strncmp(uri, "file:///", 8) == 0) {
const char *path = uri + 7;
GError *error = NULL;
if (!client_allow_file(client, path, &error))
return print_error(client, error);
result = playlist_append_file(&client->playlist,
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client->player_control,
path,
NULL);
return print_playlist_result(client, result);
}
if (uri_has_scheme(uri)) {
if (!uri_supported_scheme(uri)) {
command_error(client, ACK_ERROR_NO_EXIST,
"unsupported URI scheme");
return COMMAND_RETURN_ERROR;
}
result = playlist_append_uri(&client->playlist,
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client->player_control,
uri, NULL);
return print_playlist_result(client, result);
}
GError *error = NULL;
return AddFromDatabase(client->partition,
uri, nullptr, &error)
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? COMMAND_RETURN_OK
: print_error(client, error);
}
enum command_return
handle_addid(Client *client, int argc, char *argv[])
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{
char *uri = argv[1];
unsigned added_id;
enum playlist_result result;
if (strncmp(uri, "file:///", 8) == 0) {
const char *path = uri + 7;
GError *error = NULL;
if (!client_allow_file(client, path, &error))
return print_error(client, error);
result = playlist_append_file(&client->playlist,
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client->player_control,
path,
&added_id);
} else {
if (uri_has_scheme(uri) && !uri_supported_scheme(uri)) {
command_error(client, ACK_ERROR_NO_EXIST,
"unsupported URI scheme");
return COMMAND_RETURN_ERROR;
}
result = playlist_append_uri(&client->playlist,
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client->player_control,
uri, &added_id);
}
if (result != PLAYLIST_RESULT_SUCCESS)
return print_playlist_result(client, result);
if (argc == 3) {
unsigned to;
if (!check_unsigned(client, &to, argv[2]))
return COMMAND_RETURN_ERROR;
result = playlist_move_id(&client->playlist,
client->player_control,
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added_id, to);
if (result != PLAYLIST_RESULT_SUCCESS) {
enum command_return ret =
print_playlist_result(client, result);
playlist_delete_id(&client->playlist,
client->player_control,
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added_id);
return ret;
}
}
client_printf(client, "Id: %u\n", added_id);
return COMMAND_RETURN_OK;
}
enum command_return
handle_delete(Client *client, G_GNUC_UNUSED int argc, char *argv[])
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{
unsigned start, end;
enum playlist_result result;
if (!check_range(client, &start, &end, argv[1]))
return COMMAND_RETURN_ERROR;
result = playlist_delete_range(&client->playlist,
client->player_control,
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start, end);
return print_playlist_result(client, result);
}
enum command_return
handle_deleteid(Client *client, G_GNUC_UNUSED int argc, char *argv[])
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{
unsigned id;
enum playlist_result result;
if (!check_unsigned(client, &id, argv[1]))
return COMMAND_RETURN_ERROR;
result = playlist_delete_id(&client->playlist,
client->player_control, id);
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return print_playlist_result(client, result);
}
enum command_return
handle_playlist(Client *client,
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G_GNUC_UNUSED int argc, G_GNUC_UNUSED char *argv[])
{
playlist_print_uris(client, &client->playlist);
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return COMMAND_RETURN_OK;
}
enum command_return
handle_shuffle(G_GNUC_UNUSED Client *client,
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G_GNUC_UNUSED int argc, G_GNUC_UNUSED char *argv[])
{
unsigned start = 0, end = client->playlist.queue.GetLength();
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if (argc == 2 && !check_range(client, &start, &end, argv[1]))
return COMMAND_RETURN_ERROR;
playlist_shuffle(&client->playlist, client->player_control,
start, end);
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return COMMAND_RETURN_OK;
}
enum command_return
handle_clear(G_GNUC_UNUSED Client *client,
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G_GNUC_UNUSED int argc, G_GNUC_UNUSED char *argv[])
{
playlist_clear(&client->playlist, client->player_control);
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return COMMAND_RETURN_OK;
}
enum command_return
handle_plchanges(Client *client, G_GNUC_UNUSED int argc, char *argv[])
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{
uint32_t version;
if (!check_uint32(client, &version, argv[1]))
return COMMAND_RETURN_ERROR;
playlist_print_changes_info(client, &client->playlist, version);
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return COMMAND_RETURN_OK;
}
enum command_return
handle_plchangesposid(Client *client, G_GNUC_UNUSED int argc, char *argv[])
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{
uint32_t version;
if (!check_uint32(client, &version, argv[1]))
return COMMAND_RETURN_ERROR;
playlist_print_changes_position(client, &client->playlist, version);
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return COMMAND_RETURN_OK;
}
enum command_return
handle_playlistinfo(Client *client, int argc, char *argv[])
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{
unsigned start = 0, end = G_MAXUINT;
bool ret;
if (argc == 2 && !check_range(client, &start, &end, argv[1]))
return COMMAND_RETURN_ERROR;
ret = playlist_print_info(client, &client->playlist, start, end);
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if (!ret)
return print_playlist_result(client,
PLAYLIST_RESULT_BAD_RANGE);
return COMMAND_RETURN_OK;
}
enum command_return
handle_playlistid(Client *client, int argc, char *argv[])
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{
if (argc >= 2) {
unsigned id;
if (!check_unsigned(client, &id, argv[1]))
return COMMAND_RETURN_ERROR;
bool ret = playlist_print_id(client, &client->playlist, id);
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if (!ret)
return print_playlist_result(client,
PLAYLIST_RESULT_NO_SUCH_SONG);
} else {
playlist_print_info(client, &client->playlist, 0, G_MAXUINT);
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}
return COMMAND_RETURN_OK;
}
static enum command_return
handle_playlist_match(Client *client, int argc, char *argv[],
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bool fold_case)
{
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SongFilter filter;
if (!filter.Parse(argc - 1, argv + 1, fold_case)) {
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command_error(client, ACK_ERROR_ARG, "incorrect arguments");
return COMMAND_RETURN_ERROR;
}
playlist_print_find(client, &client->playlist, filter);
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return COMMAND_RETURN_OK;
}
enum command_return
handle_playlistfind(Client *client, int argc, char *argv[])
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{
return handle_playlist_match(client, argc, argv, false);
}
enum command_return
handle_playlistsearch(Client *client, int argc, char *argv[])
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{
return handle_playlist_match(client, argc, argv, true);
}
enum command_return
handle_prio(Client *client, int argc, char *argv[])
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{
unsigned priority;
if (!check_unsigned(client, &priority, argv[1]))
return COMMAND_RETURN_ERROR;
if (priority > 0xff) {
command_error(client, ACK_ERROR_ARG,
"Priority out of range: %s", argv[1]);
return COMMAND_RETURN_ERROR;
}
for (int i = 2; i < argc; ++i) {
unsigned start_position, end_position;
if (!check_range(client, &start_position, &end_position,
argv[i]))
return COMMAND_RETURN_ERROR;
enum playlist_result result =
playlist_set_priority(&client->playlist,
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client->player_control,
start_position, end_position,
priority);
if (result != PLAYLIST_RESULT_SUCCESS)
return print_playlist_result(client, result);
}
return COMMAND_RETURN_OK;
}
enum command_return
handle_prioid(Client *client, int argc, char *argv[])
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{
unsigned priority;
if (!check_unsigned(client, &priority, argv[1]))
return COMMAND_RETURN_ERROR;
if (priority > 0xff) {
command_error(client, ACK_ERROR_ARG,
"Priority out of range: %s", argv[1]);
return COMMAND_RETURN_ERROR;
}
for (int i = 2; i < argc; ++i) {
unsigned song_id;
if (!check_unsigned(client, &song_id, argv[i]))
return COMMAND_RETURN_ERROR;
enum playlist_result result =
playlist_set_priority_id(&client->playlist,
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client->player_control,
song_id, priority);
if (result != PLAYLIST_RESULT_SUCCESS)
return print_playlist_result(client, result);
}
return COMMAND_RETURN_OK;
}
enum command_return
handle_move(Client *client, G_GNUC_UNUSED int argc, char *argv[])
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{
unsigned start, end;
int to;
enum playlist_result result;
if (!check_range(client, &start, &end, argv[1]))
return COMMAND_RETURN_ERROR;
if (!check_int(client, &to, argv[2]))
return COMMAND_RETURN_ERROR;
result = playlist_move_range(&client->playlist, client->player_control,
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start, end, to);
return print_playlist_result(client, result);
}
enum command_return
handle_moveid(Client *client, G_GNUC_UNUSED int argc, char *argv[])
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{
unsigned id;
int to;
enum playlist_result result;
if (!check_unsigned(client, &id, argv[1]))
return COMMAND_RETURN_ERROR;
if (!check_int(client, &to, argv[2]))
return COMMAND_RETURN_ERROR;
result = playlist_move_id(&client->playlist, client->player_control,
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id, to);
return print_playlist_result(client, result);
}
enum command_return
handle_swap(Client *client, G_GNUC_UNUSED int argc, char *argv[])
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{
unsigned song1, song2;
enum playlist_result result;
if (!check_unsigned(client, &song1, argv[1]))
return COMMAND_RETURN_ERROR;
if (!check_unsigned(client, &song2, argv[2]))
return COMMAND_RETURN_ERROR;
result = playlist_swap_songs(&client->playlist, client->player_control,
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song1, song2);
return print_playlist_result(client, result);
}
enum command_return
handle_swapid(Client *client, G_GNUC_UNUSED int argc, char *argv[])
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{
unsigned id1, id2;
enum playlist_result result;
if (!check_unsigned(client, &id1, argv[1]))
return COMMAND_RETURN_ERROR;
if (!check_unsigned(client, &id2, argv[2]))
return COMMAND_RETURN_ERROR;
result = playlist_swap_songs_id(&client->playlist,
client->player_control,
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id1, id2);
return print_playlist_result(client, result);
}