mpd/src/QueuePrint.cxx
2013-01-06 21:33:58 +01:00

108 lines
2.9 KiB
C++

/*
* 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 "QueuePrint.hxx"
#include "Queue.hxx"
#include "SongFilter.hxx"
#include "SongPrint.hxx"
#include "Mapper.hxx"
#include "Client.hxx"
extern "C" {
#include "song.h"
}
/**
* Send detailed information about a range of songs in the queue to a
* client.
*
* @param client the client which has requested information
* @param start the index of the first song (including)
* @param end the index of the last song (excluding)
*/
static void
queue_print_song_info(Client *client, const struct queue *queue,
unsigned position)
{
song_print_info(client, queue->Get(position));
client_printf(client, "Pos: %u\nId: %u\n",
position, queue->PositionToId(position));
uint8_t priority = queue->GetPriorityAtPosition(position);
if (priority != 0)
client_printf(client, "Prio: %u\n", priority);
}
void
queue_print_info(Client *client, const struct queue *queue,
unsigned start, unsigned end)
{
assert(start <= end);
assert(end <= queue->GetLength());
for (unsigned i = start; i < end; ++i)
queue_print_song_info(client, queue, i);
}
void
queue_print_uris(Client *client, const struct queue *queue,
unsigned start, unsigned end)
{
assert(start <= end);
assert(end <= queue->GetLength());
for (unsigned i = start; i < end; ++i) {
client_printf(client, "%i:", i);
song_print_uri(client, queue->Get(i));
}
}
void
queue_print_changes_info(Client *client, const struct queue *queue,
uint32_t version)
{
for (unsigned i = 0; i < queue->GetLength(); i++) {
if (queue->IsNewerAtPosition(i, version))
queue_print_song_info(client, queue, i);
}
}
void
queue_print_changes_position(Client *client, const struct queue *queue,
uint32_t version)
{
for (unsigned i = 0; i < queue->GetLength(); i++)
if (queue->IsNewerAtPosition(i, version))
client_printf(client, "cpos: %i\nId: %i\n",
i, queue->PositionToId(i));
}
void
queue_find(Client *client, const struct queue *queue,
const SongFilter &filter)
{
for (unsigned i = 0; i < queue->GetLength(); i++) {
const struct song *song = queue->Get(i);
if (filter.Match(*song))
queue_print_song_info(client, queue, i);
}
}