1 ///////////////////////////////////////////////////////////////////////////////
2 // LameXP - Audio Encoder Front-End
3 // Copyright (C) 2004-2014 LoRd_MuldeR <MuldeR2@GMX.de>
5 // This program is free software; you can redistribute it and/or modify
6 // it under the terms of the GNU General Public License as published by
7 // the Free Software Foundation; either version 2 of the License, or
8 // (at your option) any later version, but always including the *additional*
9 // restrictions defined in the "License.txt" file.
11 // This program is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // You should have received a copy of the GNU General Public License along
17 // with this program; if not, write to the Free Software Foundation, Inc.,
18 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20 // http://www.gnu.org/licenses/gpl-2.0.txt
21 ///////////////////////////////////////////////////////////////////////////////
23 #include "PlaylistImporter.h"
28 #include <QStringList>
37 //Un-escape XML characters
43 g_xmlEscapeSequence
[] =
54 const char *PlaylistImporter::supportedExtensions
= "*.m3u *.m3u8 *.pls *.asx *.wpl";
57 ////////////////////////////////////////////////////////////
59 ////////////////////////////////////////////////////////////
61 bool PlaylistImporter::importPlaylist(QStringList
&fileList
, const QString
&playlistFile
)
63 QFileInfo
file(playlistFile
);
64 QDir
baseDir(file
.canonicalPath());
66 QDir
rootDir(baseDir
);
67 while(rootDir
.cdUp());
69 //Detect playlist type
70 playlist_t playlistType
= isPlaylist(file
.canonicalFilePath());
72 //Exit if not a playlist
73 if(playlistType
== notPlaylist
)
78 QFile
data(playlistFile
);
80 //Open file for reading
81 if(!data
.open(QIODevice::ReadOnly
))
86 //Skip very large files (parsing could take very long)
87 if((file
.size() < 3) || (file
.size() > 524288))
89 qWarning("File is very big. Probably not a Playlist. Rejecting...");
93 //Parse playlist depending on type
97 return parsePlaylist_m3u(data
, fileList
, baseDir
, rootDir
);
100 return parsePlaylist_pls(data
, fileList
, baseDir
, rootDir
);
103 return parsePlaylist_wpl(data
, fileList
, baseDir
, rootDir
);
111 ////////////////////////////////////////////////////////////
113 ////////////////////////////////////////////////////////////
115 PlaylistImporter::playlist_t
PlaylistImporter::isPlaylist(const QString
&fileName
)
117 QFileInfo
file (fileName
);
119 if(file
.suffix().compare("m3u", Qt::CaseInsensitive
) == 0 || file
.suffix().compare("m3u8", Qt::CaseInsensitive
) == 0)
123 else if(file
.suffix().compare("pls", Qt::CaseInsensitive
) == 0)
127 else if(file
.suffix().compare("asx", Qt::CaseInsensitive
) == 0 || file
.suffix().compare("wpl", Qt::CaseInsensitive
) == 0)
137 bool PlaylistImporter::parsePlaylist_m3u(QFile
&data
, QStringList
&fileList
, const QDir
&baseDir
, const QDir
&rootDir
)
139 const QTextCodec
*codec
= QTextCodec::codecForName("System");
140 const bool preferUTF8
= data
.fileName().endsWith(".m3u8", Qt::CaseInsensitive
);
141 bool foundAtLeastOneFile
= false;
148 QByteArray line
= data
.readLine();
152 filePath
[0] = QString(QDir::fromNativeSeparators(QString::fromUtf8(line
.constData(), line
.size()).trimmed()));
153 filePath
[1] = QString(QDir::fromNativeSeparators(codec
->toUnicode(line
.constData(), line
.size()).trimmed()));
154 filePath
[2] = QString(QDir::fromNativeSeparators(QString::fromLatin1(line
.constData(), line
.size()).trimmed()));
158 filePath
[0] = QString(QDir::fromNativeSeparators(codec
->toUnicode(line
.constData(), line
.size()).trimmed()));
159 filePath
[1] = QString(QDir::fromNativeSeparators(QString::fromLatin1(line
.constData(), line
.size()).trimmed()));
160 filePath
[2] = QString(QDir::fromNativeSeparators(QString::fromUtf8(line
.constData(), line
.size()).trimmed()));
163 for(size_t i
= 0; i
< 3; i
++)
165 if(!(filePath
[i
].isEmpty() || filePath
[i
].startsWith("#") || filePath
[i
].contains(QChar(QChar::ReplacementCharacter
))))
167 QFileInfo
filename(filePath
[i
]);
168 filename
.setCaching(false);
169 fixFilePath(filename
, baseDir
, rootDir
);
171 if(filename
.exists() && filename
.isFile())
173 qDebug("Found: \"%s\"", QUTF8(filePath
[i
]));
174 if(isPlaylist(filename
.canonicalFilePath()) == notPlaylist
)
176 fileList
<< filename
.canonicalFilePath();
178 foundAtLeastOneFile
= true;
185 //If we did not find any files yet, try UTF-16 now
186 if(!foundAtLeastOneFile
)
188 const char* codecs
[2] = {"UTF-16LE", "UTF-16BE"};
190 for(size_t i
= 0; i
< 2; i
++)
192 QTextStream
stream(&data
);
193 stream
.setAutoDetectUnicode(false);
194 stream
.setCodec(codecs
[i
]);
197 while(!stream
.atEnd())
199 QString filePath
= stream
.readLine().trimmed();
201 if(!(filePath
.isEmpty() || filePath
.startsWith("#") || filePath
.contains(QChar(QChar::ReplacementCharacter
))))
203 QFileInfo
filename(filePath
);
204 filename
.setCaching(false);
205 fixFilePath(filename
, baseDir
, rootDir
);
207 if(filename
.exists() && filename
.isFile())
209 if(isPlaylist(filename
.canonicalFilePath()) == notPlaylist
)
211 fileList
<< filename
.canonicalFilePath();
213 foundAtLeastOneFile
= true;
218 if(foundAtLeastOneFile
) break;
222 return foundAtLeastOneFile
;
225 bool PlaylistImporter::parsePlaylist_pls(QFile
&data
, QStringList
&fileList
, const QDir
&baseDir
, const QDir
&rootDir
)
227 QRegExp
plsEntry("File(\\d+)=(.+)", Qt::CaseInsensitive
);
228 const QTextCodec
*codec
= QTextCodec::codecForName("System");
229 bool foundAtLeastOneFile
= false;
236 QByteArray line
= data
.readLine();
238 filePath
[0] = QString(QDir::fromNativeSeparators(codec
->toUnicode(line
.constData(), line
.size()).trimmed()));
239 filePath
[1] = QString(QDir::fromNativeSeparators(QString::fromLatin1(line
.constData(), line
.size()).trimmed()));
240 filePath
[2] = QString(QDir::fromNativeSeparators(QString::fromUtf8(line
.constData(), line
.size()).trimmed()));
242 for(size_t i
= 0; i
< 3; i
++)
244 if(!filePath
[i
].contains(QChar(QChar::ReplacementCharacter
)))
246 if(plsEntry
.indexIn(filePath
[i
]) >= 0)
248 QFileInfo
filename(QDir::fromNativeSeparators(plsEntry
.cap(2)).trimmed());
249 filename
.setCaching(false);
250 fixFilePath(filename
, baseDir
, rootDir
);
252 if(filename
.exists() && filename
.isFile())
254 if(isPlaylist(filename
.canonicalFilePath()) == notPlaylist
)
256 fileList
<< filename
.canonicalFilePath();
258 foundAtLeastOneFile
= true;
266 //If we did not find any files yet, try UTF-16 now
267 if(!foundAtLeastOneFile
)
269 const char* codecs
[2] = {"UTF-16LE", "UTF-16BE"};
271 for(size_t i
= 0; i
< 2; i
++)
273 QTextStream
stream(&data
);
274 stream
.setAutoDetectUnicode(false);
275 stream
.setCodec(codecs
[i
]);
278 while(!stream
.atEnd())
280 QString filePath
= stream
.readLine().trimmed();
282 if(!filePath
.contains(QChar(QChar::ReplacementCharacter
)))
284 if(plsEntry
.indexIn(filePath
) >= 0)
286 QFileInfo
filename(QDir::fromNativeSeparators(plsEntry
.cap(2)).trimmed());
287 filename
.setCaching(false);
288 fixFilePath(filename
, baseDir
, rootDir
);
290 if(filename
.exists() && filename
.isFile())
292 if(isPlaylist(filename
.canonicalFilePath()) == notPlaylist
)
294 fileList
<< filename
.canonicalFilePath();
296 foundAtLeastOneFile
= true;
302 if(foundAtLeastOneFile
) break;
306 return foundAtLeastOneFile
;
309 bool PlaylistImporter::parsePlaylist_wpl(QFile
&data
, QStringList
&fileList
, const QDir
&baseDir
, const QDir
&rootDir
)
311 bool foundAtLeastOneFile
= false;
313 QRegExp
skipData("<!--(.+)-->", Qt::CaseInsensitive
);
314 QRegExp
wplEntry("<(media|ref)[^<>]*(src|href)=\"([^\"]+)\"[^<>]*>", Qt::CaseInsensitive
);
316 skipData
.setMinimal(true);
318 QByteArray buffer
= data
.readAll();
319 QString line
= QString::fromUtf8(buffer
.constData(), buffer
.size()).simplified();
324 while((index
= skipData
.indexIn(line
)) >= 0)
326 line
.remove(index
, skipData
.matchedLength());
331 while((offset
= wplEntry
.indexIn(line
, offset
) + 1) > 0)
333 QFileInfo
filename(QDir::fromNativeSeparators(unescapeXml(wplEntry
.cap(3)).trimmed()));
334 filename
.setCaching(false);
335 fixFilePath(filename
, baseDir
, rootDir
);
337 if(filename
.exists() && filename
.isFile())
339 if(isPlaylist(filename
.canonicalFilePath()) == notPlaylist
)
341 fileList
<< filename
.canonicalFilePath();
342 foundAtLeastOneFile
= true;
347 return foundAtLeastOneFile
;
350 void PlaylistImporter::fixFilePath(QFileInfo
&filename
, const QDir
&baseDir
, const QDir
&rootDir
)
352 if(filename
.filePath().startsWith("/"))
354 while(filename
.filePath().startsWith("/"))
356 filename
.setFile(filename
.filePath().mid(1));
358 filename
.setFile(rootDir
.filePath(filename
.filePath()));
361 if(!filename
.isAbsolute())
363 filename
.setFile(baseDir
.filePath(filename
.filePath()));
367 QString
&PlaylistImporter::unescapeXml(QString
&str
)
369 for(int i
= 0; (g_xmlEscapeSequence
[i
].escape
&& g_xmlEscapeSequence
[i
].output
); i
++)
371 str
.replace(g_xmlEscapeSequence
[i
].escape
, g_xmlEscapeSequence
[i
].output
);