112 lines
2.4 KiB
C++
112 lines
2.4 KiB
C++
/*
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* Copyright (C) 2003-2014 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 "Song.hxx"
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#include "Directory.hxx"
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#include "tag/Tag.hxx"
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#include "util/VarSize.hxx"
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#include "DetachedSong.hxx"
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#include "LightSong.hxx"
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#include <assert.h>
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#include <string.h>
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#include <stdlib.h>
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inline Song::Song(const char *_uri, size_t uri_length, Directory &_parent)
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:parent(&_parent), mtime(0), start_ms(0), end_ms(0)
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{
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memcpy(uri, _uri, uri_length + 1);
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}
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inline Song::~Song()
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{
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}
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static Song *
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song_alloc(const char *uri, Directory &parent)
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{
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size_t uri_length;
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assert(uri);
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uri_length = strlen(uri);
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assert(uri_length);
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return NewVarSize<Song>(sizeof(Song::uri),
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uri_length + 1,
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uri, uri_length, parent);
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}
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Song *
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Song::NewFrom(DetachedSong &&other, Directory &parent)
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{
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Song *song = song_alloc(other.GetURI(), parent);
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song->tag = std::move(other.WritableTag());
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song->mtime = other.GetLastModified();
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song->start_ms = other.GetStartMS();
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song->end_ms = other.GetEndMS();
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return song;
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}
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Song *
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Song::NewFile(const char *path, Directory &parent)
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{
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return song_alloc(path, parent);
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}
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void
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Song::Free()
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{
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DeleteVarSize(this);
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}
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std::string
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Song::GetURI() const
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{
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assert(*uri);
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if (parent->IsRoot())
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return std::string(uri);
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else {
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const char *path = parent->GetPath();
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std::string result;
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result.reserve(strlen(path) + 1 + strlen(uri));
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result.assign(path);
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result.push_back('/');
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result.append(uri);
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return result;
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}
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}
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LightSong
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Song::Export() const
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{
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LightSong dest;
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dest.directory = parent->IsRoot()
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? nullptr : parent->GetPath();
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dest.uri = uri;
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dest.real_uri = nullptr;
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dest.tag = &tag;
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dest.mtime = mtime;
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dest.start_ms = start_ms;
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dest.end_ms = end_ms;
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return dest;
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}
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