93 lines
2.3 KiB
C++
93 lines
2.3 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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#ifndef MPD_LIGHT_SONG_HXX
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#define MPD_LIGHT_SONG_HXX
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#include "Compiler.h"
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#include <string>
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#include <time.h>
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struct Tag;
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/**
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* A reference to a song file. Unlike the other "Song" classes in the
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* MPD code base, this one consists only of pointers. It is supposed
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* to be as light as possible while still providing all the
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* information MPD has about a song file. This class does not manage
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* any memory, and the pointers become invalid quickly. Only to be
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* used to pass around during well-defined situations.
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*/
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struct LightSong {
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/**
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* If this is not nullptr, then it denotes a prefix for the
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* #uri. To build the full URI, join directory and uri with a
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* slash.
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*/
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const char *directory;
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const char *uri;
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/**
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* The "real" URI, the one to be used for opening the
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* resource. If this attribute is empty, then #uri (and
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* #directory) shall be used.
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*
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* This attribute is used for songs from the database which
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* have a relative URI.
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*/
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std::string real_uri;
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/**
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* Must not be nullptr.
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*/
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const Tag *tag;
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time_t mtime;
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/**
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* Start of this sub-song within the file in milliseconds.
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*/
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unsigned start_ms;
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/**
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* End of this sub-song within the file in milliseconds.
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* Unused if zero.
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*/
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unsigned end_ms;
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gcc_pure
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std::string GetURI() const {
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if (directory == nullptr)
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return std::string(uri);
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std::string result(directory);
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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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gcc_pure
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double GetDuration() const;
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};
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#endif
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