394 lines
8.8 KiB
C++
394 lines
8.8 KiB
C++
/*
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* Cantata
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*
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* Copyright (c) 2011-2013 Craig Drummond <craig.p.drummond@gmail.com>
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*
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*/
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/*
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* Copyright (c) 2008 Sander Knopper (sander AT knopper DOT tk) and
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* Roeland Douma (roeland AT rullzer DOT com)
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*
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* This file is part of QtMPC.
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*
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* QtMPC 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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* QtMPC 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
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* along with QtMPC. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <cmath>
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#include "config.h"
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#include "song.h"
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#include "mpdparseutils.h"
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#include "musiclibraryitemalbum.h"
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#include "localize.h"
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#include <QMap>
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#include <QFileInfo>
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#include <QStringList>
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const QString Song::constCddaProtocol("cdda:/");
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// When displaying albums, we use the 1st track's year as the year of the album.
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// The map below stores the mapping from artist+album to year.
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// This way the grouped view can find this quickly...
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static QMap<QString, quint16> albumYears;
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void Song::storeAlbumYear(const Song &s)
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{
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albumYears.insert(s.albumKey(), s.year);
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}
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int Song::albumYear(const Song &s)
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{
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QMap<QString, quint16>::ConstIterator it=albumYears.find(s.albumKey());
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return it==albumYears.end() ? s.year : it.value();
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}
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const quint16 Song::constNullKey(0xFFFF);
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Song::Song()
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: id(-1)
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// , pos(0)
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, disc(0)
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, priority(0)
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, time(0)
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, track(0)
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, year(0)
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, type(Standard)
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, guessed(false)
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, size(0)
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, key(constNullKey)
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{
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}
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Song & Song::operator=(const Song &s)
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{
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id = s.id;
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file = s.file;
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time = s.time;
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album = s.album;
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artist = s.artist;
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albumartist = s.albumartist;
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title = s.title;
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track = s.track;
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// pos = s.pos;
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disc = s.disc;
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priority = s.priority;
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year = s.year;
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genre = s.genre;
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name = s.name;
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size = s.size;
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key = s.key;
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type = s.type;
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guessed = s.guessed;
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return *this;
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}
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bool Song::operator==(const Song &o) const
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{
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return 0==compareTo(o);
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}
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bool Song::operator<(const Song &o) const
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{
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return compareTo(o)<0;
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}
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int Song::compareTo(const Song &o) const
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{
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if (SingleTracks==type) {
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int compare=artistSong().localeAwareCompare(artistSong());
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if (0!=compare) {
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return compare<0;
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}
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}
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int compare=albumArtist().localeAwareCompare(o.albumArtist());
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if (0!=compare) {
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return compare;
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}
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compare=album.localeAwareCompare(o.album);
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if (0!=compare) {
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return compare;
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}
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if (disc!=o.disc) {
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return disc<o.disc ? -1 : 1;
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}
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if (type!=o.type) {
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return type<o.type ? -1 : 1;
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}
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if (track!=o.track) {
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return track<o.track ? -1 : 1;
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}
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if (year!=o.year) {
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return year<o.year ? -1 : 1;
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}
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compare=title.localeAwareCompare(o.title);
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if (0!=compare) {
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return compare;
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}
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compare=name.compare(o.name);
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if (0!=compare) {
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return compare;
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}
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compare=genre.compare(o.genre);
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if (0!=compare) {
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return compare;
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}
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if (time!=o.time) {
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return time<o.time ? -1 : 1;
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}
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return file.compare(o.file);
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}
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bool Song::isEmpty() const
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{
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return (artist.isEmpty() && album.isEmpty() && title.isEmpty() && name.isEmpty()) || file.isEmpty();
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}
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void Song::guessTags()
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{
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if (isEmpty() && !isStream()) {
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guessed=true;
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QStringList parts = file.split("/");
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if (3==parts.length()) {
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title=parts.at(2);
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album=parts.at(1);
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artist=parts.at(0);
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} else if (!parts.isEmpty()) {
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title=parts.at(parts.length()-1);
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}
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if (!title.isEmpty()) {
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int dot=title.lastIndexOf('.');
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if (dot==title.length()-4) {
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title=title.left(dot);
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}
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int space=title.indexOf(' ');
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if ( (1==space && title[space-1].isDigit()) ||
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(2==space && title[space-2].isDigit() && title[space-1].isDigit()) ) {
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track=title.left(space).toInt();
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title=title.mid(space+1);
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while (!title.isEmpty() && (title[0]==' ' || title[0]=='-')) {
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title=title.mid(1);
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}
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}
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}
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}
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}
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void Song::revertGuessedTags()
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{
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title=artist=album=i18n("Unknown");
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}
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void Song::fillEmptyFields()
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{
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QString unknown=i18n("Unknown");
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if (artist.isEmpty()) {
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artist = unknown;
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}
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if (album.isEmpty()) {
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album = unknown;
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}
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if (title.isEmpty()) {
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title = unknown;
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}
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if (genre.isEmpty()) {
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genre = unknown;
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}
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}
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void Song::setKey()
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{
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static quint16 currentKey=0;
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static QMap<QString, quint16> keys;
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if (isStream() && !isCantataStream()) {
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key=0;
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return;
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}
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QString songKey(albumKey());
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QMap<QString, quint16>::ConstIterator it=keys.find(songKey);
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if (it!=keys.end()) {
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key=it.value();
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} else {
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currentKey++; // Key 0 is for streams, so we need to increment before setting...
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keys.insert(songKey, currentKey);
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key=currentKey;
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}
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}
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bool Song::isUnknown() const
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{
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QString unknown=i18n("Unknown");
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return (artist.isEmpty() || artist==unknown) && (album.isEmpty() || album==unknown) && (title.isEmpty() || title==unknown);
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}
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void Song::clear()
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{
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id = -1;
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file.clear();
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time = 0;
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album.clear();
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artist.clear();
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title.clear();
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track = 0;
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// pos = 0;
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disc = 0;
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year = 0;
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genre.clear();
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name.clear();
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size = 0;
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type = Standard;
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}
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QString Song::formattedTime(quint32 seconds)
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{
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static const quint32 constHour=60*60;
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if (seconds>constHour) {
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return MPDParseUtils::formatDuration(seconds);
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}
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QString result(QString::number(floor(seconds / 60.0))+QChar(':'));
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if (seconds % 60 < 10) {
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result += "0";
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}
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return result+QString::number(seconds % 60);
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}
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/*
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* Genarate a string with song info.
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* Currently in this format:
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* artist - [album -][#.] song
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*/
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QString Song::format()
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{
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QString s = artist + " - ";
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if (!album.isEmpty()) {
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s += album + " - ";
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}
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if (track != 0) {
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s += QString::number(track) + ". ";
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}
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s += title;
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return s;
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}
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QString Song::entryName() const
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{
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if (title.isEmpty()) {
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return file;
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}
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return i18nc("Song\nArtist\nAlbum", "%1\n%2\n%3").arg(title).arg(artist).arg(album);
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}
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QString Song::artistSong() const
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{
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return artist+QLatin1String(" - ")+title;
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}
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QString Song::trackAndTitleStr(bool addArtist) const
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{
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return (track>9 ? QString::number(track) : (QChar('0')+QString::number(track)))
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+QChar(' ')+(addArtist ? artistSong() : title);
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}
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void Song::updateSize(const QString &dir) const
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{
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if (size<=0) {
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size=QFileInfo(dir+file).size();
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}
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}
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bool Song::isVariousArtists(const QString &str)
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{
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return QLatin1String("Various Artists")==str || i18n("Various Artists")==str;
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}
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bool Song::fixVariousArtists()
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{
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if (isVariousArtists()) {
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artist.replace(" - ", ", ");
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title=artistSong();
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artist=albumartist;
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return true;
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}
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return false;
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}
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bool Song::revertVariousArtists()
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{
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if (artist==albumartist) { // Then real artist is embedded in track title...
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int sepPos=title.indexOf(QLatin1String(" - "));
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if (sepPos>0 && sepPos<title.length()-3) {
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artist=title.left(sepPos);
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title=title.mid(sepPos+3);
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return true;
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}
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}
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return false;
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}
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bool Song::setAlbumArtist()
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{
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if (!artist.isEmpty() && albumartist.isEmpty()) {
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albumartist=artist;
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return true;
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}
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return false;
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}
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QString Song::capitalize(const QString &s)
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{
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if (s.isEmpty()) {
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return s;
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}
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QStringList words = s.split(' ', QString::SkipEmptyParts);
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for (int i = 0; i < words.count(); i++) {
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QString word = words[i]; //.toLower();
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int j = 0;
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while ( ('('==word[j] || '['==word[j] || '{'==word[j]) && j < word.length()) {
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j++;
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}
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word[j] = word[j].toUpper();
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words[i] = word;
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}
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return words.join(" ");
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}
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bool Song::capitalise()
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{
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QString origArtist=artist;
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QString origAlbumArtist=albumartist;
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QString origAlbum=album;
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QString origTitle=title;
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artist=capitalize(artist);
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albumartist=capitalize(albumartist);
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album=capitalize(album);
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title=capitalize(title);
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return artist!=origArtist || albumartist!=origAlbumArtist || album!=origAlbum || title!=origTitle;
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}
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