C++ MediaInfo::fileName方法代码示例

void XSPFParser::writeTrack(QXmlStreamWriter & xml, const MediaInfo & mediaInfo) {

	xml.writeStartElement(XSPF_TRACK);

		//Filename
		QUrl url(mediaInfo.fileName());
		writeTextElement(xml, XSPF_LOCATION, url.toEncoded());

		//Unique ID
		//FIXME not implemented yet
		//writeTextElement(xml, XSPF_IDENTIFIER, QString());

		//Artist
		writeTextElement(xml, XSPF_CREATOR, mediaInfo.metadataValue(MediaInfo::Artist));

		//Album
		writeTextElement(xml, XSPF_ALBUM, mediaInfo.metadataValue(MediaInfo::Album));

		//Track number
		writeTextElement(xml, XSPF_TRACKNUM, mediaInfo.metadataValue(MediaInfo::TrackNumber));

		//Title
		writeTextElement(xml, XSPF_TITLE, mediaInfo.metadataValue(MediaInfo::Title));

		//Comment
		writeTextElement(xml, XSPF_ANNOTATION, mediaInfo.metadataValue(MediaInfo::Comment));

		//Length
		writeIntElement(xml, XSPF_DURATION, mediaInfo.lengthMilliseconds());

		//Album art URL
		//FIXME not implemented yet
		//writeTextElement(xml, XSPF_IMAGE, mediaInfo.metadataValue(MediaInfo::AlbumArt));

		//URL of the original web page
		writeTextElement(xml, XSPF_INFO, mediaInfo.metadataValue(MediaInfo::URL));

		xml.writeStartElement(XSPF_EXTENSION);
		xml.writeAttribute(XSPF_APPLICATION, XSPF_QUARKPLAYER_NAMESPACE);
		writeTextElementWithNamespace(xml, XSPF_QUARKPLAYER_NAMESPACE, XSPF_QUARKPLAYER_CUE_START_INDEX, mediaInfo.cueStartIndexFormatted());
		writeTextElementWithNamespace(xml, XSPF_QUARKPLAYER_NAMESPACE, XSPF_QUARKPLAYER_CUE_END_INDEX, mediaInfo.cueEndIndexFormatted());
		writeTextElementWithNamespace(xml, XSPF_QUARKPLAYER_NAMESPACE, XSPF_QUARKPLAYER_YEAR, mediaInfo.metadataValue(MediaInfo::Year));
		writeTextElementWithNamespace(xml, XSPF_QUARKPLAYER_NAMESPACE, XSPF_QUARKPLAYER_GENRE, mediaInfo.metadataValue(MediaInfo::Genre));
		xml.writeEndElement();	//extension

	xml.writeEndElement();	//track
}

//.........这里部分代码省略.........
		QString filename;

		while (!stream.atEnd() && !_stop) {
			//Line of text, don't use trimmed()
			//since CUE sheet files contain indentation spaces
			QString line(stream.readLine());

			if (line.isEmpty()) {
				//Do nothing
			}

			else if (rx_genre.indexIn(line) != -1) {
				genre = rx_genre.cap(1);
			}

			else if (rx_date.indexIn(line) != -1) {
				date = rx_date.cap(1);
			}

			else if (rx_root_performer.indexIn(line) != -1) {
				albumArtist = rx_root_performer.cap(1);
			}

			else if (rx_root_title.indexIn(line) != -1) {
				album = rx_root_title.cap(1);
			}

			else if (rx_file.indexIn(line) != -1) {
				filename = rx_file.cap(1);
			}

			else if (rx_track.indexIn(line) != -1) {
				QString track(rx_track.cap(1));
				mediaInfo.insertMetadata(MediaInfo::TrackNumber, track);
			}

			else if (rx_title.indexIn(line) != -1) {
				QString title(rx_title.cap(1));
				mediaInfo.insertMetadata(MediaInfo::Title, title);
			}

			else if (rx_performer.indexIn(line) != -1) {
				QString performer(rx_performer.cap(1));
				mediaInfo.insertMetadata(MediaInfo::Artist, performer);
			}

			else if (rx_index.indexIn(line) != -1) {
				QString index(rx_index.cap(1));
				mediaInfo.setCueStartIndex(index);

				if (!files.isEmpty()) {
					//Now we know the CUE end index from the previous media
					files.last().setCueEndIndex(index);
				}

				mediaInfo.insertMetadata(MediaInfo::Genre, genre);
				mediaInfo.insertMetadata(MediaInfo::Year, date);
				mediaInfo.insertMetadata(MediaInfo::AlbumArtist, albumArtist);
				mediaInfo.insertMetadata(MediaInfo::Album, album);

				bool isUrl = MediaInfo::isUrl(filename);
				mediaInfo.setUrl(isUrl);
				if (isUrl) {
					mediaInfo.setFileName(filename);
				} else {
					mediaInfo.setFileName(Util::canonicalFilePath(path, filename));
				}

				if (!mediaInfo.fileName().isEmpty()) {
					//Add file to the list of files
					files << mediaInfo;

					//Clear the MediaInfo for the next lines
					mediaInfo.clear();

					if (files.size() > FILES_FOUND_LIMIT) {
						//Emits the signal every FILES_FOUND_LIMIT files found
						emit filesFound(files);
						files.clear();
					}
				}

			}

			else {
				//Syntax error
			}
		}
	}

	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());
}

void XSPFParser::load() {
	QTime timeElapsed;
	timeElapsed.start();

	_stop = false;

	QList<MediaInfo> files;

	qDebug() << __FUNCTION__ << "Playlist:" << _filename;

	QFile file(_filename);
	if (file.open(QIODevice::ReadOnly)) {
		MediaInfo mediaInfo;

		QXmlStreamReader xml(&file);
		while (!xml.atEnd() && !_stop) {
			xml.readNext();

			switch (xml.tokenType()) {

			case QXmlStreamReader::StartElement: {
				QString element(xml.name().toString());

				if (element == XSPF_TRACK) {
					readTrack(xml, mediaInfo);

					if (!mediaInfo.fileName().isEmpty()) {
						//Add file to the list of files
						files << mediaInfo;

						//Clear the MediaInfo
						mediaInfo.clear();

						if (files.size() > FILES_FOUND_LIMIT) {
							//Emits the signal every FILES_FOUND_LIMIT files found
							emit filesFound(files);
							files.clear();
						}
					}
				}

				//Otherwise won't read the track end element
				break;
			}

			}
		}

		if (xml.hasError()) {
			qCritical() << __FUNCTION__ << "Error:" << xml.errorString()
				<< "line:" << xml.lineNumber()
				<< "column:" << xml.columnNumber();
		}
	}

	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());
}