134 lines
3.0 KiB
C++
134 lines
3.0 KiB
C++
/*
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* Copyright (C) 2003-2013 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include "QueueSave.hxx"
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#include "Queue.hxx"
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#include "PlaylistError.hxx"
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#include "Song.hxx"
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#include "SongSave.hxx"
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#include "DatabasePlugin.hxx"
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#include "DatabaseGlue.hxx"
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#include "TextFile.hxx"
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#include "util/UriUtil.hxx"
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#include "util/Error.hxx"
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#include "fs/Traits.hxx"
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#include "Log.hxx"
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#include <glib.h>
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#include <stdlib.h>
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#define PRIO_LABEL "Prio: "
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static void
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queue_save_database_song(FILE *fp, int idx, const Song &song)
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{
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const auto uri = song.GetURI();
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fprintf(fp, "%i:%s\n", idx, uri.c_str());
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}
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static void
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queue_save_full_song(FILE *fp, const Song &song)
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{
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song_save(fp, song);
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}
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static void
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queue_save_song(FILE *fp, int idx, const Song &song)
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{
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if (song.IsInDatabase())
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queue_save_database_song(fp, idx, song);
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else
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queue_save_full_song(fp, song);
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}
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void
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queue_save(FILE *fp, const Queue &queue)
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{
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for (unsigned i = 0; i < queue.GetLength(); i++) {
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uint8_t prio = queue.GetPriorityAtPosition(i);
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if (prio != 0)
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fprintf(fp, PRIO_LABEL "%u\n", prio);
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queue_save_song(fp, i, queue.Get(i));
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}
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}
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void
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queue_load_song(TextFile &file, const char *line, Queue &queue)
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{
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if (queue.IsFull())
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return;
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uint8_t priority = 0;
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if (g_str_has_prefix(line, PRIO_LABEL)) {
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priority = strtoul(line + sizeof(PRIO_LABEL) - 1, nullptr, 10);
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line = file.ReadLine();
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if (line == nullptr)
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return;
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}
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const Database *db = nullptr;
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Song *song;
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if (g_str_has_prefix(line, SONG_BEGIN)) {
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const char *uri = line + sizeof(SONG_BEGIN) - 1;
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if (!uri_has_scheme(uri) && !PathTraits::IsAbsoluteUTF8(uri))
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return;
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Error error;
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song = song_load(file, nullptr, uri, error);
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if (song == nullptr) {
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LogError(error);
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return;
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}
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} else {
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char *endptr;
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long ret = strtol(line, &endptr, 10);
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if (ret < 0 || *endptr != ':' || endptr[1] == 0) {
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LogError(playlist_domain,
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"Malformed playlist line in state file");
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return;
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}
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const char *uri = endptr + 1;
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if (uri_has_scheme(uri)) {
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song = Song::NewRemote(uri);
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} else {
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db = GetDatabase();
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if (db == nullptr)
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return;
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song = db->GetSong(uri, IgnoreError());
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if (song == nullptr)
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return;
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}
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}
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queue.Append(song, priority);
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if (db != nullptr)
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db->ReturnSong(song);
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else
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song->Free();
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}
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