C++ QStringRef::contains方法代码示例

// ### the name and behavior of this function is dubious
QmlJS::AST::Node *SemanticInfo::declaringMemberNoProperties(int cursorPosition) const
{
    AST::Node *node = rangeAt(cursorPosition);

    if (UiObjectDefinition *objectDefinition = cast<UiObjectDefinition*>(node)) {
        const QStringRef name = objectDefinition->qualifiedTypeNameId->name;
        if (!name.isEmpty() && name.at(0).isLower()) {
            QList<AST::Node *> path = rangePath(cursorPosition);
            if (path.size() > 1)
                return path.at(path.size() - 2);
        } else if (name.contains(QLatin1String("GradientStop"))) {
            QList<AST::Node *> path = rangePath(cursorPosition);
            if (path.size() > 2)
                return path.at(path.size() - 3);
        }
    } else if (UiObjectBinding *objectBinding = cast<UiObjectBinding*>(node)) {
        const QStringRef name = objectBinding->qualifiedTypeNameId->name;
        if (name.contains(QLatin1String("Gradient"))) {
            QList<AST::Node *> path = rangePath(cursorPosition);
            if (path.size() > 1)
                return path.at(path.size() - 2);
        }
    }

    return node;
}

/*!
    \internal
    Parses \a pattern.
    Allowed is f.ex.:
             qt.core.io.debug      FullText, QtDebugMsg
             qt.core.*             LeftFilter, all types
             *.io.warning          RightFilter, QtWarningMsg
             *.core.*              MidFilter
 */
void QLoggingRule::parse(const QStringRef &pattern)
{
    QStringRef p;

    // strip trailing ".messagetype"
    if (pattern.endsWith(QLatin1String(".debug"))) {
        p = QStringRef(pattern.string(), pattern.position(),
                       pattern.length() - 6); // strlen(".debug")
        messageType = QtDebugMsg;
    } else if (pattern.endsWith(QLatin1String(".info"))) {
        p = QStringRef(pattern.string(), pattern.position(),
                       pattern.length() - 5); // strlen(".info")
        messageType = QtInfoMsg;
    } else if (pattern.endsWith(QLatin1String(".warning"))) {
        p = QStringRef(pattern.string(), pattern.position(),
                       pattern.length() - 8); // strlen(".warning")
        messageType = QtWarningMsg;
    } else if (pattern.endsWith(QLatin1String(".critical"))) {
        p = QStringRef(pattern.string(), pattern.position(),
                       pattern.length() - 9); // strlen(".critical")
        messageType = QtCriticalMsg;
    } else {
        p = pattern;
    }

    if (!p.contains(QLatin1Char('*'))) {
        flags = FullText;
    } else {
        if (p.endsWith(QLatin1Char('*'))) {
            flags |= LeftFilter;
            p = QStringRef(p.string(), p.position(), p.length() - 1);
        }
        if (p.startsWith(QLatin1Char('*'))) {
            flags |= RightFilter;
            p = QStringRef(p.string(), p.position() + 1, p.length() - 1);
        }
        if (p.contains(QLatin1Char('*'))) // '*' only supported at start/end
            flags = 0;
    }

    category = p.toString();
}

QLinearGradient PropertyReader::parseGradient(const QString &propertyName,  bool *isBound) const
{
    if (!m_doc)
        return QLinearGradient();

    *isBound = false;

    for (UiObjectMemberList *members = m_ast->members; members; members = members->next) {
        UiObjectMember *member = members->member;

        if (UiObjectBinding* objectBinding = cast<UiObjectBinding *>(member)) {
            UiObjectInitializer *initializer = objectBinding->initializer;
            const QString astValue = cleanupSemicolon(textAt(m_doc,
                                                             initializer->lbraceToken,
                                                             initializer->rbraceToken));
            const QString objectPropertyName = objectBinding->qualifiedId->name.toString();
            const QStringRef typeName = objectBinding->qualifiedTypeNameId->name;
            if (objectPropertyName == propertyName && typeName.contains(QLatin1String("Gradient"))) {
                QLinearGradient gradient;
                QVector<QGradientStop> stops;

                for (UiObjectMemberList *members = initializer->members; members; members = members->next) {
                    UiObjectMember *member = members->member;
                    if (UiObjectDefinition *objectDefinition = cast<UiObjectDefinition *>(member)) {
                        PropertyReader localParser(m_doc, objectDefinition->initializer);
                        if (localParser.hasProperty(QLatin1String("color")) && localParser.hasProperty(QLatin1String("position"))) {
                            QColor color = QmlJS::toQColor(localParser.readProperty(QLatin1String("color")).toString());
                            qreal position = localParser.readProperty(QLatin1String("position")).toReal();
                            if (localParser.isBindingOrEnum(QLatin1String("color")) || localParser.isBindingOrEnum(QLatin1String("position")))
                                *isBound = true;
                            stops.append( QPair<qreal, QColor>(position, color));
                        }
                    }
                }

                gradient.setStops(stops);
                return gradient;
            }
        }
    }
    return QLinearGradient();
}

QString HtmlNoteReader::metaContent(const QString &html, const QString &name)
{
    if(html.isEmpty())
        return QString();

    QString content = html;
    QTime time; // avoid forever loop
    time.start();
    int metaIdx = 0;
    int endIdx = 0;
    // find the meta elements in the html files and read the uuid
    while(metaIdx != -1 && time.elapsed() < 1500)
    {
        metaIdx = content.indexOf("<meta",endIdx+1);

        if(metaIdx==-1)
            break;

        endIdx = content.indexOf(">",metaIdx+1);
#if QT_VERSION >= 0x040800 // Qt Version > 4.8
        QStringRef metaLine = content.midRef(metaIdx,endIdx-metaIdx+1); // e.g. <meta name="qrichtext" content="1" />
#else
        QString metaLine = content.mid(metaIdx,endIdx-metaIdx+1); // e.g. <meta name="qrichtext" content="1" />
#endif
        if(metaLine.contains(name))
        {
            int idx = metaLine.lastIndexOf('\"');
            int beforeIdx = metaLine.lastIndexOf('\"',idx-1);
            if(idx != -1 || beforeIdx != -1)
            {
                #if QT_VERSION >= 0x040800 // Qt Version > 4.8
                return metaLine.toString().mid(beforeIdx +1,(idx-beforeIdx+1) -2); // +1 and -1 to take the content between the " "
                #else
                return metaLine.mid(beforeIdx +1,(idx-beforeIdx+1) -2); // +1 and -1 to take the content between the " "
                #endif
            }
        }
    }
    return QString();
}

XBMCVideoChecker::XBMCVideoChecker(const std::string & address, uint16_t port, bool grabVideo, bool grabPhoto, bool grabAudio, bool grabMenu, bool grabScreensaver, bool enable3DDetection) :
	QObject(),
	_address(QString::fromStdString(address)),
	_port(port),
	_activePlayerRequest(R"({"id":666,"jsonrpc":"2.0","method":"Player.GetActivePlayers"})"),
	_currentPlayingItemRequest(R"({"id":667,"jsonrpc":"2.0","method":"Player.GetItem","params":{"playerid":%1,"properties":["file"]}})"),
	_checkScreensaverRequest(R"({"id":668,"jsonrpc":"2.0","method":"XBMC.GetInfoBooleans","params":{"booleans":["System.ScreenSaverActive"]}})"),
	_getStereoscopicMode(R"({"jsonrpc":"2.0","method":"GUI.GetProperties","params":{"properties":["stereoscopicmode"]},"id":669})"),
	_getXbmcVersion(R"({"jsonrpc":"2.0","method":"Application.GetProperties","params":{"properties":["version"]},"id":670})"),
	_socket(),
	_grabVideo(grabVideo),
	_grabPhoto(grabPhoto),
	_grabAudio(grabAudio),
	_grabMenu(grabMenu),
	_grabScreensaver(grabScreensaver),
	_enable3DDetection(enable3DDetection),
	_previousScreensaverMode(false),
	_previousGrabbingMode(GRABBINGMODE_INVALID),
	_previousVideoMode(VIDEO_2D),
	_xbmcVersion(0)
{
	// setup socket
	connect(&_socket, SIGNAL(readyRead()), this, SLOT(receiveReply()));
	connect(&_socket, SIGNAL(disconnected()), this, SLOT(disconnected()));
	connect(&_socket, SIGNAL(connected()), this, SLOT(connected()));
	connect(&_socket, SIGNAL(error(QAbstractSocket::SocketError)), this, SLOT(connectionError(QAbstractSocket::SocketError)));
}

void XBMCVideoChecker::start()
{
	reconnect();
}

void XBMCVideoChecker::receiveReply()
{
	// expect that the reply is received as a single message. Probably oke considering the size of the expected reply
	QString reply(_socket.readAll());

	std::cout << "Message from XBMC: " << reply.toStdString() << std::endl;

	if (reply.contains("\"method\":\"Player.OnPlay\""))
	{
		// send a request for the current player state
		_socket.write(_activePlayerRequest.toUtf8());
		return;
	}
	else if (reply.contains("\"method\":\"Player.OnStop\""))
	{
		// the player has stopped
		setGrabbingMode(_grabMenu ? GRABBINGMODE_MENU : GRABBINGMODE_OFF);
		setVideoMode(VIDEO_2D);
	}
	else if (reply.contains("\"method\":\"GUI.OnScreensaverActivated\""))
	{
		setScreensaverMode(!_grabScreensaver);
	}
	else if (reply.contains("\"method\":\"GUI.OnScreensaverDeactivated\""))
	{
		setScreensaverMode(false);
	}
	else if (reply.contains("\"id\":666"))
	{
		// Result of Player.GetActivePlayers

		// always start a new video in 2D mode
		emit videoMode(VIDEO_2D);

		if (reply.contains("video"))
		{
			// video is playing
			setGrabbingMode(_grabVideo ? GRABBINGMODE_VIDEO : GRABBINGMODE_OFF);

			// we need to get the filename
			// first retrieve the playerid
			QString key = "\"playerid\":";
			QRegExp regex(key + "(\\d+)");
			int pos = regex.indexIn(reply);
			if (pos > 0)
			{
				// now request info of the playing item
				QStringRef idText(&reply, pos + key.length(), regex.matchedLength() - key.length());
				_socket.write(_currentPlayingItemRequest.arg(idText.toString()).toUtf8());
			}
		}
		else if (reply.contains("picture"))
		{
			// picture viewer is playing
			setGrabbingMode(_grabPhoto ? GRABBINGMODE_PHOTO : GRABBINGMODE_OFF);
		}
		else if (reply.contains("audio"))
		{
			// audio is playing
			setGrabbingMode(_grabAudio ? GRABBINGMODE_AUDIO : GRABBINGMODE_OFF);
		}
		else
		{
			// Nothing is playing.
			setGrabbingMode(_grabMenu ? GRABBINGMODE_MENU : GRABBINGMODE_OFF);
		}
	}
//.........这里部分代码省略.........