Files
cantata/devices/deviceoptions.cpp
Craig Drummond b6bd94c236 Update (c) year
2022-01-08 21:24:07 +00:00

430 lines
14 KiB
C++

/*
* Cantata
*
* Copyright (c) 2011-2022 Craig Drummond <craig.p.drummond@gmail.com>
*
* ----
*
* 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; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "deviceoptions.h"
#include "mpd-interface/song.h"
#include "support/configuration.h"
#include <QDir>
#include <QUrl>
#ifndef _MSC_VER
#include <unistd.h>
#endif
static QString cleanPath(const QString &path)
{
/* Unicode uses combining characters to form accented versions of other characters.
* (Exception: Latin-1 table for compatibility with ASCII.)
* Those can be found in the Unicode tables listed at:
* http://en.wikipedia.org/w/index.php?title=Combining_character&oldid=255990982
* Removing those characters removes accents. :) */
QString result = path;
// German umlauts
result.replace(QChar(0x00e4), "ae").replace(QChar(0x00c4), "Ae");
result.replace(QChar(0x00f6), "oe").replace(QChar(0x00d6), "Oe");
result.replace(QChar(0x00fc), "ue").replace(QChar(0x00dc), "Ue");
result.replace(QChar(0x00df), "ss");
// other special cases
result.replace(QChar(0x00C6), "AE");
result.replace(QChar(0x00E6), "ae");
result.replace(QChar(0x00D8), "OE");
result.replace(QChar(0x00F8), "oe");
// normalize in a form where accents are separate characters
result = result.normalized(QString::NormalizationForm_D);
// remove accents from table "Combining Diacritical Marks"
for (int i = 0x0300; i <= 0x036F; i++) {
result.remove(QChar(i));
}
return result;
}
static QString asciiPath(const QString &path)
{
QString result = path;
for (int i = 0; i < result.length(); i++) {
QChar c = result[ i ];
if (c > QChar(0x7f) || QChar(0)==c) {
c = '_';
}
result[ i ] = c;
}
return result;
}
QString vfatPath(const QString &path)
{
QString s = path;
if ('/'==QDir::separator()) {// we are on *nix, \ is a valid character in file or directory names, NOT the dir separator
s.replace('\\', '_');
} else {
s.replace('/', '_'); // on windows we have to replace / instead
}
for (int i = 0; i < s.length(); i++) {
QChar c = s[ i ];
if (c < QChar(0x20) || c == QChar(0x7F) // 0x7F = 127 = DEL control character
|| '*'==c || '?'==c || '<'==c || '>'==c || '|'==c || '"'==c || ':'==c) {
c = '_';
} else if ('['==c) {
c = '(';
} else if (']'==c) {
c = ')';
}
s[ i ] = c;
}
/* beware of reserved device names */
uint len = s.length();
if (3==len || (len > 3 && '.'==s[3])) {
QString l = s.left(3).toLower();
if ("aux"==l || "con"==l || "nul"==l || "prn"==l) {
s = '_' + s;
}
} else if (4==len || (len > 4 && '.'==s[4])) {
QString l = s.left(3).toLower();
QString d = s.mid(3,1);
if (("com"==l || "lpt"==l) &&
("0"==d || "1"==d || "2"==d || "3"==d || "4"==d || "5"==d || "6"==d || "7"==d || "8"==d || "9"==d)) {
s = '_' + s;
}
}
// "clock$" is only allowed WITH extension, according to:
// http://en.wikipedia.org/w/index.php?title=Filename&oldid=303934888#Comparison_of_file_name_limitations
if (0==QString::compare(s, "clock$", Qt::CaseInsensitive)) {
s = '_' + s;
}
/* max path length of Windows API */
s = s.left(255);
/* whitespace at the end of folder/file names or extensions are bad */
len = s.length();
if (' '==s[len-1]) {
s[len-1] = '_';
}
int extensionIndex = s.lastIndexOf('.'); // correct trailing spaces in file name itself
if (s.length()>1 && extensionIndex>0 && ' '==s.at(extensionIndex-1)) {
s[extensionIndex - 1] = '_';
}
for (int i = 1; i < s.length(); i++) {// correct trailing whitespace in folder names
if ((s.at(i) == QDir::separator()) && ' '==s.at(i-1)) {
s[i - 1] = '_';
}
}
return s;
}
static void manipulateThe(QString &str, bool reverse)
{
if (reverse)
{
if (!str.startsWith("the ", Qt::CaseInsensitive)) {
return;
}
QString begin = str.left(3);
str = str.append(", %1").arg(begin);
str = str.mid(4);
return;
}
if(!str.endsWith(", the", Qt::CaseInsensitive)) {
return;
}
QString end = str.right(3);
str = str.prepend("%1 ").arg(end);
str.truncate(str.length() - end.length() - 2);
}
const QLatin1String DeviceOptions::constAlbumArtist("%albumartist%");
const QLatin1String DeviceOptions::constComposer("%composer%");
const QLatin1String DeviceOptions::constAlbumTitle("%album%");
const QLatin1String DeviceOptions::constTrackArtist("%artist%");
const QLatin1String DeviceOptions::constTrackTitle("%title%");
const QLatin1String DeviceOptions::constTrackArtistAndTitle("%artistandtitle%");
const QLatin1String DeviceOptions::constTrackNumber("%track%");
const QLatin1String DeviceOptions::constCdNumber("%discnumber%");
const QLatin1String DeviceOptions::constGenre("%genre%");
const QLatin1String DeviceOptions::constYear("%year%");
#ifdef ENABLE_DEVICES_SUPPORT
DeviceOptions::DeviceOptions(const QString &cvrName)
#else
DeviceOptions::DeviceOptions()
#endif
: scheme(constAlbumArtist+QChar('/')+
constAlbumTitle+QChar('/')+
constTrackNumber+QChar(' ')+
constTrackTitle)
, vfatSafe(true)
, asciiOnly(false)
, ignoreThe(false)
, replaceSpaces(false)
#ifdef ENABLE_DEVICES_SUPPORT
, fixVariousArtists(false)
, transcoderValue(0)
, transcoderWhen(TW_Always)
, useCache(true)
, autoScan(false)
, coverName(cvrName)
, coverMaxSize(0)
#endif
{
}
static const QLatin1String constMpdGroup("mpd");
static const QLatin1String constSchemeKey("scheme");
static const QLatin1String constVFatKey("vfatSafe");
static const QLatin1String constAsciiKey("asciiOnly");
static const QLatin1String constIgnoreTheKey("ignoreThe");
static const QLatin1String constSpacesKey("replaceSpaces");
#ifdef ENABLE_DEVICES_SUPPORT
static const QLatin1String constTransCodecKey("transcoderCodec");
static const QLatin1String constTransValKey("transcoderValue");
static const QLatin1String constTransIfDiffKey("transcoderWhenDifferent");
static const QLatin1String constTransIfLosslessKey("transcoderWhenSourceIsLosssless");
static const QLatin1String constTransWhenKey("transcoderWhen");
#endif
static const QLatin1String constUseCacheKey("useCache");
static const QLatin1String constFixVaKey("fixVariousArtists");
static const QLatin1String constNameKey("name");
static const QLatin1String constCvrFileKey("coverFileName");
static const QLatin1String constCvrMaxKey("coverMaxSize");
static const QLatin1String constVolKey("volumeId");
bool DeviceOptions::isConfigured(const QString &group, bool isMpd)
{
if (Configuration(group).hasEntry(constSchemeKey)) {
return true;
}
if (isMpd) {
return Configuration(constMpdGroup).hasEntry(constSchemeKey);
}
return false;
}
void DeviceOptions::load(const QString &group, bool isMpd)
{
Configuration cfg(group);
if (isMpd && !cfg.hasEntry(constSchemeKey)) {
// Try old [mpd] group...
Configuration mpdGrp(constMpdGroup);
if (mpdGrp.hasEntry(constSchemeKey)) {
scheme=mpdGrp.get(constSchemeKey, scheme);
vfatSafe=mpdGrp.get(constVFatKey, vfatSafe);
asciiOnly=mpdGrp.get(constAsciiKey, asciiOnly);
ignoreThe=mpdGrp.get(constIgnoreTheKey, ignoreThe);
replaceSpaces=mpdGrp.get(constSpacesKey, replaceSpaces);
#ifdef ENABLE_DEVICES_SUPPORT
transcoderCodec=mpdGrp.get(constTransCodecKey, (isMpd ? "lame" : transcoderCodec));
transcoderValue=mpdGrp.get(constTransValKey, (isMpd ? 2 : transcoderValue));
if (mpdGrp.hasEntry(constTransWhenKey)) {
transcoderWhen=(TranscodeWhen)mpdGrp.get(constTransWhenKey, (int)transcoderWhen);
} else {
if (mpdGrp.get(constTransIfLosslessKey, false)) {
transcoderWhen=TW_IfLossess;
} else if (mpdGrp.get(constTransIfDiffKey, false)) {
transcoderWhen=TW_IfDifferent;
} else {
transcoderWhen=TW_Always;
}
}
#endif
// Save these settings into new group, [mpd] is left for other connections...
save(group, true, true, true);
}
} else {
scheme=cfg.get(constSchemeKey, scheme);
vfatSafe=cfg.get(constVFatKey, vfatSafe);
asciiOnly=cfg.get(constAsciiKey, asciiOnly);
ignoreThe=cfg.get(constIgnoreTheKey, ignoreThe);
replaceSpaces=cfg.get(constSpacesKey, replaceSpaces);
#ifdef ENABLE_DEVICES_SUPPORT
if (!isMpd) {
useCache=cfg.get(constUseCacheKey, useCache);
fixVariousArtists=cfg.get(constFixVaKey, fixVariousArtists);
name=cfg.get(constNameKey, name);
coverName=cfg.get(constCvrFileKey, coverName);
coverMaxSize=cfg.get(constCvrMaxKey, coverMaxSize);
volumeId=cfg.get(constVolKey, volumeId);
checkCoverSize();
}
transcoderCodec=cfg.get(constTransCodecKey, (isMpd ? "lame" : transcoderCodec));
transcoderValue=cfg.get(constTransValKey, (isMpd ? 2 : transcoderValue));
if (cfg.hasEntry(constTransWhenKey)) {
transcoderWhen=(TranscodeWhen)cfg.get(constTransWhenKey, (int)transcoderWhen);
} else {
if (cfg.get(constTransIfLosslessKey, false)) {
transcoderWhen=TW_IfLossess;
} else if (cfg.get(constTransIfDiffKey, false)) {
transcoderWhen=TW_IfDifferent;
} else {
transcoderWhen=TW_Always;
}
}
#endif
}
}
void DeviceOptions::save(const QString &group, bool isMpd, bool saveTrans, bool saveFileName) const
{
Configuration cfg(group);
if (saveFileName) {
cfg.set(constSchemeKey, scheme);
cfg.set(constVFatKey, vfatSafe);
cfg.set(constAsciiKey, asciiOnly);
cfg.set(constIgnoreTheKey, ignoreThe);
cfg.set(constSpacesKey, replaceSpaces);
}
#ifdef ENABLE_DEVICES_SUPPORT
if (!isMpd) {
cfg.set(constUseCacheKey, useCache);
cfg.set(constFixVaKey, fixVariousArtists);
cfg.set(constNameKey, name);
cfg.set(constCvrFileKey, coverName);
cfg.set(constCvrMaxKey, coverMaxSize);
cfg.set(constVolKey, volumeId);
}
if (saveTrans) {
cfg.set(constTransCodecKey, transcoderCodec);
cfg.set(constTransValKey, transcoderValue);
cfg.set(constTransWhenKey, (int)transcoderWhen);
}
#else
Q_UNUSED(isMpd)
Q_UNUSED(saveTrans)
#endif
}
QString DeviceOptions::clean(const QString &str) const
{
QString result(str);
if (asciiOnly) {
result = cleanPath(result);
result = asciiPath(result);
}
result=result.simplified();
if (replaceSpaces) {
result.replace(QRegExp("\\s"), "_");
}
if (vfatSafe) {
result = vfatPath(result);
}
result.replace('/', '-');
return result;
}
Song DeviceOptions::clean(const Song &s) const
{
Song copy=s;
if (ignoreThe) {
manipulateThe(copy.albumartist, true);
manipulateThe(copy.artist, true);
}
copy.albumartist=clean(copy.albumartist);
copy.artist=clean(copy.artist);
copy.album=clean(copy.album);
copy.title=clean(copy.title);
for (int i=0; i<Song::constNumGenres && !s.genres[i].isEmpty(); ++i) {
copy.addGenre(clean(s.genres[i]));
}
return copy;
}
QString DeviceOptions::createFilename(const Song &s) const
{
QString path=scheme;
static QStringList ignore;
if (ignore.isEmpty()) {
ignore << QLatin1String("%comment%")
<< QLatin1String("%filetype%")
<< QLatin1String("%ignore%")
<< QLatin1String("%folder%")
<< QLatin1String("%initial%");
}
for (const QString &i: ignore) {
path.replace(i, QLatin1String(""));
}
if (replaceSpaces) {
path.replace(QRegExp("\\s"), "_");
}
Song copy=clean(s);
path.replace(constAlbumArtist, copy.albumArtist());
path.replace(constComposer, copy.composer());
path.replace(constAlbumTitle, copy.album);
path.replace(constTrackArtist, copy.artist);
path.replace(constTrackTitle, copy.title);
path.replace(constTrackArtistAndTitle, clean(copy.displayTitle()));
QString track(QString::number(copy.track));
if (copy.track<10) {
track=QChar('0')+track;
}
path.replace(constTrackNumber, track);
path.replace(constCdNumber, copy.disc<1 ? QLatin1String("") : QString::number(copy.disc));
path.replace(constGenre, copy.genres[0].isEmpty() ? Song::unknown() : copy.genres[0]);
path.replace(constYear, copy.year<1 ? QLatin1String("") : QString::number(copy.year));
// For songs about to be downloaded from streams, we hide the filetype in genre...
if (s.file.startsWith("http:/")) {
if (s.genres[0]==QLatin1String("mp3") || s.genres[0]==QLatin1String("ogg") || s.genres[0]==QLatin1String("flac") || s.genres[0]==QLatin1String("wav")) {
path+='.'+s.genres[0];
} else if (s.genres[0]==QLatin1String("vbr")) {
path+=QLatin1String(".mp3");
} else {
QString f=QUrl(s.file).path();
int extPos=f.lastIndexOf('.');
if (-1!=extPos) {
path+=f.mid(extPos);
}
}
} else {
int extPos=s.file.lastIndexOf('.');
if (-1!=extPos) {
path+=s.file.mid(extPos);
}
}
return path;
}