QString MetaEngine::Private::detectEncodingAndDecode(const std::string& value) const
{
// For charset autodetection, we could use sophisticated code
// (Mozilla chardet, KHTML's autodetection, QTextCodec::codecForContent),
// but that is probably too much.
// We check for UTF8, Local encoding and ASCII.
// Look like KEncodingDetector class can provide a full implementation for encoding detection.
if (value.empty())
{
return QString();
}
if (isUtf8(value.c_str()))
{
return QString::fromUtf8(value.c_str());
}
// Utf8 has a pretty unique byte pattern.
// Thats not true for ASCII, it is not possible
// to reliably autodetect different ISO-8859 charsets.
// So we can use either local encoding, or latin1.
return QString::fromLocal8Bit(value.c_str());
}
void M3UParser::save(const QList<MediaInfo> & files) {
QTime timeElapsed;
timeElapsed.start();
_stop = false;
qDebug() << __FUNCTION__ << "Playlist:" << _filename;
QString path(QFileInfo(_filename).path());
QFile file(_filename);
if (file.open(QIODevice::WriteOnly)) {
QTextStream stream(&file);
if (isUtf8()) {
stream.setCodec("UTF-8");
} else {
stream.setCodec(QTextCodec::codecForLocale());
}
QString filename;
if (!files.isEmpty()) {
stream << "#EXTM3U\n";
}
foreach (MediaInfo mediaInfo, files) {
if (_stop) {
break;
}
stream << "#EXTINF:";
stream << mediaInfo.lengthSeconds();
stream << ',';
QString artist(mediaInfo.metadataValue(MediaInfo::Artist));
if (!artist.isEmpty()) {
stream << artist;
}
QString title(mediaInfo.metadataValue(MediaInfo::Title));
if (!title.isEmpty()) {
if (!artist.isEmpty()) {
stream << " - ";
}
stream << title;
}
stream << M3U_EOL;
if (mediaInfo.isUrl()) {
stream << mediaInfo.fileName();
} else {
//Try to save the filename as relative instead of absolute
QString filename(TkFile::relativeFilePath(path, mediaInfo.fileName()));
stream << Util::pathToNativeSeparators(filename);
}
stream << M3U_EOL;
}
}
QList<QString> ParserM3u::parse(QString sFilename)
{
QFile file(sFilename);
QString basepath = sFilename.section('/', 0, -2);
clearLocations();
//qDebug() << "ParserM3u: Starting to parse.";
if (file.open(QIODevice::ReadOnly) && !isBinary(sFilename)) {
/* Unfortunately, QT 4.7 does not handle <CR> (=\r or asci value 13) line breaks.
* This is important on OS X where iTunes, e.g., exports M3U playlists using <CR>
* rather that <LF>
*
* Using QFile::readAll() we obtain the complete content of the playlist as a ByteArray.
* We replace any '\r' with '\n' if applicaple
* This ensures that playlists from iTunes on OS X can be parsed
*/
QByteArray ba = file.readAll();
//detect encoding
bool isCRLF_encoded = ba.contains("\r\n");
bool isCR_encoded = ba.contains("\r");
if(isCR_encoded && !isCRLF_encoded)
ba.replace('\r','\n');
QTextStream textstream(ba.constData());
if (isUtf8(ba.constData())) {
textstream.setCodec("UTF-8");
} else {
textstream.setCodec("windows-1252");
}
while(!textstream.atEnd()) {
QString sLine = getFilepath(&textstream, basepath);
if(sLine.isEmpty())
break;
//qDebug() << "ParserM3u: parsed: " << (sLine);
m_sLocations.append(sLine);
}
file.close();
if(m_sLocations.count() != 0)
return m_sLocations;
else
return QList<QString>(); // NULL pointer returned when no locations were found
}
file.close();
return QList<QString>(); //if we get here something went wrong
}
// Construct a dialog box with an optional check box
HistInputDialog::HistInputDialog(FXWindow* w,FXString inp,FXString message,FXString title,FXString label,FXIcon *ic, FXuint browse, FXbool option, FXString optiontext):
DialogBox(w,title,DECOR_TITLE|DECOR_BORDER|DECOR_STRETCHABLE)
{
// Browse type flag
browsetype=browse;
// Buttons
buttons=new FXHorizontalFrame(this,LAYOUT_SIDE_BOTTOM|LAYOUT_FILL_X,0,0,0,0,10,10,5,5);
// Accept
new FXButton(buttons,_("&Accept"),NULL,this,ID_ACCEPT,FRAME_RAISED|FRAME_THICK|LAYOUT_RIGHT,0,0,0,0,20,20);
// Cancel
new FXButton(buttons,_("&Cancel"),NULL,this,ID_CANCEL,FRAME_RAISED|FRAME_THICK|LAYOUT_RIGHT,0,0,0,0,20,20);
// Separator
new FXHorizontalSeparator(this,LAYOUT_SIDE_BOTTOM|LAYOUT_FILL_X|SEPARATOR_GROOVE);
// Optional check box
checkbutton=new FXHorizontalFrame(this,JUSTIFY_RIGHT|LAYOUT_SIDE_BOTTOM|LAYOUT_FILL_X,0,0,0,0,10,10,0,0);
if (option)
new FXCheckButton(checkbutton,optiontext,this,ID_TOGGLE_OPTION);
// Vertical frame
FXVerticalFrame *contents=new FXVerticalFrame(this,LAYOUT_SIDE_TOP|FRAME_NONE|LAYOUT_FILL_X|LAYOUT_FILL_Y);
// Icon and first line
FXMatrix *matrix1 = new FXMatrix(contents,2,MATRIX_BY_COLUMNS|LAYOUT_SIDE_TOP|LAYOUT_FILL_X|LAYOUT_FILL_Y);
new FXLabel(matrix1,"",ic,LAYOUT_CENTER_Y|LAYOUT_FILL_COLUMN|LAYOUT_FILL_ROW);
new FXLabel(matrix1,message,NULL,JUSTIFY_LEFT|LAYOUT_CENTER_Y|LAYOUT_FILL_COLUMN|LAYOUT_FILL_ROW);
new FXLabel(matrix1,label,NULL,LAYOUT_RIGHT|LAYOUT_CENTER_Y|LAYOUT_FILL_COLUMN|LAYOUT_FILL_ROW);
// Label and input field (combo box)
FXMatrix *matrix2 = new FXMatrix(contents,3,MATRIX_BY_COLUMNS|LAYOUT_SIDE_TOP|LAYOUT_FILL_X|LAYOUT_FILL_Y);
new FXLabel(matrix2,label,NULL,LAYOUT_LEFT|LAYOUT_CENTER_Y|LAYOUT_FILL_ROW);
input = new ComboBox(matrix2,40,NULL,0,COMBOBOX_INSERT_LAST|LAYOUT_CENTER_Y|LAYOUT_CENTER_X|LAYOUT_FILL_COLUMN|LAYOUT_FILL_ROW|LAYOUT_FILL_X);
input->setNumVisible(5);
input->setText(inp);
new FXButton(matrix2,_("\tSelect destination..."),filedialogicon,this,ID_BROWSE_PATH,FRAME_RAISED|FRAME_THICK|LAYOUT_RIGHT|LAYOUT_CENTER_Y,0,0,0,0,20,20);
if (!isUtf8(message.text(),message.length()))
new FXLabel(contents,_("=> Warning: file name is not UTF-8 encoded!"),NULL,LAYOUT_LEFT|LAYOUT_CENTER_Y|LAYOUT_FILL_ROW);
// Initial directory for browsing
FXString homelocation=getenv("HOME");
if(homelocation=="")
homelocation=ROOTDIR;
initialdir=homelocation;
}
char * BtStringMgr::upperUTF8(char * text, unsigned int maxlen) const {
size_t max = (maxlen > 0u) ? maxlen : strlen(text);
if (LIKELY(max > 1u)) {
max--;
if (isUtf8(text)) {
strncpy(text, QString::fromUtf8(text).toUpper().toUtf8().constData(), max);
}
else {
strncpy(text, QString::fromLatin1(text).toUpper().toLatin1().constData(), max);
}
text[max] = '\0';
} else if (max == 1u) {
text[0u] = '\0';
} else {
Q_ASSERT(max == 0u);
}
return text;
}
char* MSStringMgr::upperUTF8(char* text, const unsigned int maxlen) {
if (isUtf8(text)) {
const int max = (maxlen>0) ? maxlen : strlen(text);
CFStringRef cfString;
CFMutableStringRef mstr;
cfString = CFStringCreateWithBytes (NULL, (UInt8*)text, max, kCFStringEncodingUTF8, false);
if(!cfString) return text;
mstr = CFStringCreateMutableCopy(NULL, 0, cfString);
CFStringUppercase(mstr, NULL);
CFStringGetBytes (
mstr,
CFRangeMake(0, CFStringGetLength(mstr)),
kCFStringEncodingUTF8,
0,
false,
(UInt8*)text,
max,
NULL
);
CFRelease(cfString);
CFRelease(mstr);
return text;
} else {
char* ret = text;
while (*text) {
*text = toupper(*text);
text++;
}
return ret;
}
return text;
}
void M3UParser::load() {
QTime timeElapsed;
timeElapsed.start();
_stop = false;
QList<MediaInfo> files;
qDebug() << __FUNCTION__ << "Playlist:" << _filename;
//See http://regexlib.com/DisplayPatterns.aspx
//#EXTM3U
static QRegExp rx_extm3u("^#EXTM3U$|^#M3U$");
//#EXTINF:123,Sample title
static QRegExp rx_extinf("^#EXTINF:([-+]?\\d+),(.*)$");
//#EXTINF:Sample title
static QRegExp rx_extinf_title("^#EXTINF:(.*)$");
//#Just a comment
static QRegExp rx_comment("^#.*$");
QFile file(_filename);
if (file.open(QIODevice::ReadOnly)) {
QString path(QFileInfo(_filename).path());
QTextStream stream(&file);
if (isUtf8()) {
stream.setCodec("UTF-8");
} else {
stream.setCodec(QTextCodec::codecForLocale());
}
MediaInfo mediaInfo;
while (!stream.atEnd() && !_stop) {
//Line of text excluding '\n'
QString line(stream.readLine().trimmed());
if (line.isEmpty()) {
//Do nothing
}
else if (rx_extm3u.indexIn(line) != -1) {
//#EXTM3U line, ignored
}
else if (rx_extinf.indexIn(line) != -1) {
//#EXTINF line
QString length(rx_extinf.cap(1));
if (!length.isEmpty()) {
mediaInfo.setLength(length.toInt());
}
QString title(rx_extinf.cap(2));
if (!title.isEmpty()) {
mediaInfo.insertMetadata(MediaInfo::Title, title);
}
}
else if (rx_extinf_title.indexIn(line) != -1) {
QString title(rx_extinf_title.cap(1));
if (!title.isEmpty()) {
mediaInfo.insertMetadata(MediaInfo::Title, title);
}
}
else if (rx_comment.indexIn(line) != -1) {
//# line, comment, ignored
}
else {
bool isUrl = MediaInfo::isUrl(line);
mediaInfo.setUrl(isUrl);
if (isUrl) {
mediaInfo.setFileName(line);
} else {
mediaInfo.setFileName(Util::canonicalFilePath(path, line));
}
//Add file to the list of files
files << mediaInfo;
//Clear the MediaInfo for the next 2 lines from the m3u playlist
mediaInfo.clear();
if (files.size() > FILES_FOUND_LIMIT) {
//Emits the signal every FILES_FOUND_LIMIT files found
emit filesFound(files);
files.clear();
}
}
}
}
file.close();
if (!files.isEmpty()) {
//Emits the signal for the remaining files found (< FILES_FOUND_LIMIT)
emit filesFound(files);
}
//Emits the last signal
emit finished(timeElapsed.elapsed());
}
