1 files changed, 583 insertions, 0 deletions
diff --git a/src/assistant/lib/qhelpdbreader.cpp b/src/assistant/lib/qhelpdbreader.cpp
new file mode 100644
index 000000000..c4735f8b8
--- /dev/null
+++ b/src/assistant/lib/qhelpdbreader.cpp
@@ -0,0 +1,583 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Assistant of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qhelpdbreader_p.h"
+#include "qhelp_global.h"
+
+#include <QtCore/QVariant>
+#include <QtCore/QFile>
+#include <QtSql/QSqlError>
+#include <QtSql/QSqlQuery>
+
+QT_BEGIN_NAMESPACE
+
+QHelpDBReader::QHelpDBReader(const QString &dbName)
+    : QObject(0)
+{
+    initObject(dbName,
+        QHelpGlobal::uniquifyConnectionName(QLatin1String("QHelpDBReader"),
+        this));
+}
+
+QHelpDBReader::QHelpDBReader(const QString &dbName, const QString &uniqueId,
+                           QObject *parent)
+    : QObject(parent)
+{
+    initObject(dbName, uniqueId);
+}
+
+void QHelpDBReader::initObject(const QString &dbName, const QString &uniqueId)
+{
+    m_dbName = dbName;
+    m_uniqueId = uniqueId;
+    m_initDone = false;
+    m_query = 0;
+    m_useAttributesCache = false;
+}
+
+QHelpDBReader::~QHelpDBReader()
+{
+    if (m_initDone) {
+        delete m_query;
+        QSqlDatabase::removeDatabase(m_uniqueId);
+    }
+}
+
+bool QHelpDBReader::init()
+{
+    if (m_initDone)
+        return true;
+
+    if (!QFile::exists(m_dbName))
+        return false;
+
+    QSqlDatabase db = QSqlDatabase::addDatabase(QLatin1String("QSQLITE"), m_uniqueId);
+    db.setDatabaseName(m_dbName);
+    if (!db.open()) {
+        /*: The placeholders are: %1 - The name of the database which cannot be opened
+                                  %2 - The unique id for the connection
+                                  %3 - The actual error string */
+        m_error = tr("Cannot open database '%1' '%2': %3").arg(m_dbName, m_uniqueId, db.lastError().text());
+        QSqlDatabase::removeDatabase(m_uniqueId);
+        return false;
+    }
+
+    m_initDone = true;
+    m_query = new QSqlQuery(db);
+
+    return true;
+}
+
+QString QHelpDBReader::databaseName() const
+{
+    return m_dbName;
+}
+
+QString QHelpDBReader::errorMessage() const
+{
+    return m_error;
+}
+
+QString QHelpDBReader::namespaceName() const
+{
+    if (!m_namespace.isEmpty())
+        return m_namespace;
+    if (m_query) {
+        m_query->exec(QLatin1String("SELECT Name FROM NamespaceTable"));
+        if (m_query->next())
+            m_namespace = m_query->value(0).toString();
+    }
+    return m_namespace;
+}
+
+QString QHelpDBReader::virtualFolder() const
+{
+    if (m_query) {
+        m_query->exec(QLatin1String("SELECT Name FROM FolderTable WHERE Id=1"));
+        if (m_query->next())
+            return m_query->value(0).toString();
+    }
+    return QString();
+}
+
+QList<QStringList> QHelpDBReader::filterAttributeSets() const
+{
+    QList<QStringList> result;
+    if (m_query) {
+        m_query->exec(QLatin1String("SELECT a.Id, b.Name FROM FileAttributeSetTable a, "
+            "FilterAttributeTable b WHERE a.FilterAttributeId=b.Id ORDER BY a.Id"));
+        int oldId = -1;
+        while (m_query->next()) {
+            int id = m_query->value(0).toInt();
+            if (id != oldId) {
+                result.append(QStringList());
+                oldId = id;
+            }
+            result.last().append(m_query->value(1).toString());
+        }
+    }
+    return result;
+}
+
+bool QHelpDBReader::fileExists(const QString &virtualFolder,
+                               const QString &filePath,
+                               const QStringList &filterAttributes) const
+{
+    if (virtualFolder.isEmpty() || filePath.isEmpty() || !m_query)
+        return false;
+
+//SELECT COUNT(a.Name) FROM FileNameTable a, FolderTable b, FileFilterTable c, FilterAttributeTable d WHERE a.FolderId=b.Id AND b.Name='qtdoc' AND a.Name='qstring.html' AND a.FileId=c.FileId AND c.FilterAttributeId=d.Id AND d.Name='qtrefdoc'
+
+    QString query;
+    namespaceName();
+    if (filterAttributes.isEmpty()) {
+        query = QString(QLatin1String("SELECT COUNT(a.Name) FROM FileNameTable a, FolderTable b "
+            "WHERE a.FolderId=b.Id AND b.Name=\'%1\' AND a.Name=\'%2\'")).arg(quote(virtualFolder)).arg(quote(filePath));
+    } else {
+        query = QString(QLatin1String("SELECT COUNT(a.Name) FROM FileNameTable a, FolderTable b, "
+            "FileFilterTable c, FilterAttributeTable d WHERE a.FolderId=b.Id "
+            "AND b.Name=\'%1\' AND a.Name=\'%2\' AND a.FileId=c.FileId AND "
+            "c.FilterAttributeId=d.Id AND d.Name=\'%3\'"))
+            .arg(quote(virtualFolder)).arg(quote(filePath))
+            .arg(quote(filterAttributes.first()));
+        for (int i=1; i<filterAttributes.count(); ++i) {
+            query.append(QString(QLatin1String(" INTERSECT SELECT COUNT(a.Name) FROM FileNameTable a, "
+                "FolderTable b, FileFilterTable c, FilterAttributeTable d WHERE a.FolderId=b.Id "
+                "AND b.Name=\'%1\' AND a.Name=\'%2\' AND a.FileId=c.FileId AND "
+                "c.FilterAttributeId=d.Id AND d.Name=\'%3\'"))
+                .arg(quote(virtualFolder)).arg(quote(filePath))
+                .arg(quote(filterAttributes.at(i))));
+        }
+    }
+    m_query->exec(query);
+    if (m_query->next() && m_query->isValid() && m_query->value(0).toInt())
+        return true;
+    return false;
+}
+
+QByteArray QHelpDBReader::fileData(const QString &virtualFolder,
+                                   const QString &filePath) const
+{
+    QByteArray ba;
+    if (virtualFolder.isEmpty() || filePath.isEmpty() || !m_query)
+        return ba;
+
+    namespaceName();
+    m_query->prepare(QLatin1String("SELECT a.Data FROM FileDataTable a, FileNameTable b, FolderTable c, "
+        "NamespaceTable d WHERE a.Id=b.FileId AND (b.Name=? OR b.Name=?) AND b.FolderId=c.Id "
+        "AND c.Name=? AND c.NamespaceId=d.Id AND d.Name=?"));
+    m_query->bindValue(0, filePath);
+    m_query->bindValue(1, QString(QLatin1String("./") + filePath));
+    m_query->bindValue(2, virtualFolder);
+    m_query->bindValue(3, m_namespace);
+    m_query->exec();
+    if (m_query->next() && m_query->isValid())
+        ba = qUncompress(m_query->value(0).toByteArray());
+    return ba;
+}
+
+QStringList QHelpDBReader::customFilters() const
+{
+    QStringList lst;
+    if (m_query) {
+        m_query->exec(QLatin1String("SELECT Name FROM FilterNameTable"));
+        while (m_query->next())
+            lst.append(m_query->value(0).toString());
+    }
+    return lst;
+}
+
+QStringList QHelpDBReader::filterAttributes(const QString &filterName) const
+{
+    QStringList lst;
+    if (m_query) {
+        if (filterName.isEmpty()) {
+            m_query->prepare(QLatin1String("SELECT Name FROM FilterAttributeTable"));
+        } else {
+            m_query->prepare(QLatin1String("SELECT a.Name FROM FilterAttributeTable a, "
+                "FilterTable b, FilterNameTable c WHERE c.Name=? "
+                "AND c.Id=b.NameId AND b.FilterAttributeId=a.Id"));
+            m_query->bindValue(0, filterName);
+        }
+        m_query->exec();
+        while (m_query->next())
+            lst.append(m_query->value(0).toString());
+    }
+    return lst;
+}
+
+QStringList QHelpDBReader::indicesForFilter(const QStringList &filterAttributes) const
+{
+    QStringList indices;
+    if (!m_query)
+        return indices;
+
+    //SELECT DISTINCT a.Name FROM IndexTable a, IndexFilterTable b, FilterAttributeTable c WHERE a.Id=b.IndexId AND b.FilterAttributeId=c.Id AND c.Name in ('4.2.3', 'qt')
+
+    QString query;
+    if (filterAttributes.isEmpty()) {
+        query = QLatin1String("SELECT DISTINCT Name FROM IndexTable");
+    } else {
+        query = QString(QLatin1String("SELECT DISTINCT a.Name FROM IndexTable a, "
+        "IndexFilterTable b, FilterAttributeTable c WHERE a.Id=b.IndexId "
+        "AND b.FilterAttributeId=c.Id AND c.Name='%1'")).arg(quote(filterAttributes.first()));
+        for (int i=1; i<filterAttributes.count(); ++i) {
+            query.append(QString(QLatin1String(" INTERSECT SELECT DISTINCT a.Name FROM IndexTable a, "
+                "IndexFilterTable b, FilterAttributeTable c WHERE a.Id=b.IndexId "
+                "AND b.FilterAttributeId=c.Id AND c.Name='%1'"))
+                .arg(quote(filterAttributes.at(i))));
+        }
+    }
+
+    m_query->exec(query);
+    while (m_query->next()) {
+        if (!m_query->value(0).toString().isEmpty())
+            indices.append(m_query->value(0).toString());
+    }
+    return indices;
+}
+
+void QHelpDBReader::linksForKeyword(const QString &keyword, const QStringList &filterAttributes,
+                                    QMap<QString, QUrl> &linkMap) const
+{
+    if (!m_query)
+        return;
+
+    QString query;
+    if (filterAttributes.isEmpty()) {
+        query = QString(QLatin1String("SELECT d.Title, f.Name, e.Name, d.Name, a.Anchor "
+            "FROM IndexTable a, FileNameTable d, "
+            "FolderTable e, NamespaceTable f WHERE "
+            "a.FileId=d.FileId AND d.FolderId=e.Id AND a.NamespaceId=f.Id "
+            "AND a.Name='%1'")).arg(quote(keyword));
+    } else if (m_useAttributesCache) {
+        query = QString(QLatin1String("SELECT d.Title, f.Name, e.Name, d.Name, a.Anchor, a.Id "
+            "FROM IndexTable a, "
+            "FileNameTable d, FolderTable e, NamespaceTable f WHERE "
+            "a.FileId=d.FileId AND d.FolderId=e.Id "
+            "AND a.NamespaceId=f.Id AND a.Name='%1'"))
+            .arg(quote(keyword));
+        m_query->exec(query);
+        while (m_query->next()) {
+            if (m_indicesCache.contains(m_query->value(5).toInt())) {
+                linkMap.insertMulti(m_query->value(0).toString(), buildQUrl(m_query->value(1).toString(),
+                    m_query->value(2).toString(), m_query->value(3).toString(),
+                    m_query->value(4).toString()));
+            }
+        }
+        return;
+    } else {
+        query = QString(QLatin1String("SELECT d.Title, f.Name, e.Name, d.Name, a.Anchor "
+            "FROM IndexTable a, IndexFilterTable b, FilterAttributeTable c, "
+            "FileNameTable d, FolderTable e, NamespaceTable f "
+            "WHERE a.FileId=d.FileId AND d.FolderId=e.Id "
+            "AND a.NamespaceId=f.Id AND b.IndexId=a.Id AND b.FilterAttributeId=c.Id "
+            "AND a.Name='%1' AND c.Name='%2'")).arg(quote(keyword))
+            .arg(quote(filterAttributes.first()));
+        for (int i=1; i<filterAttributes.count(); ++i) {
+            query.append(QString(QLatin1String(" INTERSECT SELECT d.Title, f.Name, e.Name, d.Name, a.Anchor "
+                "FROM IndexTable a, IndexFilterTable b, FilterAttributeTable c, "
+                "FileNameTable d, FolderTable e, NamespaceTable f "
+                "WHERE a.FileId=d.FileId AND d.FolderId=e.Id "
+                "AND a.NamespaceId=f.Id AND b.IndexId=a.Id AND b.FilterAttributeId=c.Id "
+                "AND a.Name='%1' AND c.Name='%2'")).arg(quote(keyword))
+                .arg(quote(filterAttributes.at(i))));
+        }
+    }
+
+    QString title;
+    m_query->exec(query);
+    while (m_query->next()) {
+        title = m_query->value(0).toString();
+        if (title.isEmpty()) // generate a title + corresponding path
+            title = keyword + QLatin1String(" : ") + m_query->value(3).toString();
+        linkMap.insertMulti(title, buildQUrl(m_query->value(1).toString(),
+            m_query->value(2).toString(), m_query->value(3).toString(),
+            m_query->value(4).toString()));
+    }
+}
+
+void QHelpDBReader::linksForIdentifier(const QString &id,
+                                       const QStringList &filterAttributes,
+                                       QMap<QString, QUrl> &linkMap) const
+{
+    if (!m_query)
+        return;
+
+    QString query;
+    if (filterAttributes.isEmpty()) {
+        query = QString(QLatin1String("SELECT d.Title, f.Name, e.Name, d.Name, a.Anchor "
+        "FROM IndexTable a, FileNameTable d, FolderTable e, "
+        "NamespaceTable f WHERE a.FileId=d.FileId AND "
+        "d.FolderId=e.Id AND a.NamespaceId=f.Id AND a.Identifier='%1'"))
+        .arg(quote(id));
+    } else if (m_useAttributesCache) {
+        query = QString(QLatin1String("SELECT d.Title, f.Name, e.Name, d.Name, a.Anchor, a.Id "
+            "FROM IndexTable a,"
+            "FileNameTable d, FolderTable e, NamespaceTable f WHERE "
+            "a.FileId=d.FileId AND d.FolderId=e.Id "
+            "AND a.NamespaceId=f.Id AND a.Identifier='%1'"))
+            .arg(quote(id));
+        m_query->exec(query);
+        while (m_query->next()) {
+            if (m_indicesCache.contains(m_query->value(5).toInt())) {
+                linkMap.insertMulti(m_query->value(0).toString(), buildQUrl(m_query->value(1).toString(),
+                    m_query->value(2).toString(), m_query->value(3).toString(),
+                    m_query->value(4).toString()));
+            }
+        }
+        return;
+    } else {
+        query = QString(QLatin1String("SELECT d.Title, f.Name, e.Name, d.Name, a.Anchor "
+            "FROM IndexTable a, IndexFilterTable b, FilterAttributeTable c, "
+            "FileNameTable d, FolderTable e, NamespaceTable f "
+            "WHERE a.FileId=d.FileId AND d.FolderId=e.Id "
+            "AND a.NamespaceId=f.Id AND b.IndexId=a.Id AND b.FilterAttributeId=c.Id "
+            "AND a.Identifier='%1' AND c.Name='%2'")).arg(quote(id))
+            .arg(quote(filterAttributes.first()));
+        for (int i=0; i<filterAttributes.count(); ++i) {
+            query.append(QString(QLatin1String(" INTERSECT SELECT d.Title, f.Name, e.Name, "
+                "d.Name, a.Anchor FROM IndexTable a, IndexFilterTable b, "
+                "FilterAttributeTable c, FileNameTable d, "
+                "FolderTable e, NamespaceTable f WHERE "
+                "a.FileId=d.FileId AND d.FolderId=e.Id AND a.NamespaceId=f.Id "
+                "AND b.IndexId=a.Id AND b.FilterAttributeId=c.Id AND "
+                "a.Identifier='%1' AND c.Name='%2'")).arg(quote(id))
+                .arg(quote(filterAttributes.at(i))));
+        }
+    }
+
+    m_query->exec(query);
+    while (m_query->next()) {
+        linkMap.insertMulti(m_query->value(0).toString(), buildQUrl(m_query->value(1).toString(),
+            m_query->value(2).toString(), m_query->value(3).toString(),
+            m_query->value(4).toString()));
+    }
+}
+
+QUrl QHelpDBReader::buildQUrl(const QString &ns, const QString &folder,
+                              const QString &relFileName, const QString &anchor) const
+{
+    QUrl url;
+    url.setScheme(QLatin1String("qthelp"));
+    url.setAuthority(ns);
+    url.setPath(folder + QLatin1Char('/') + relFileName);
+    url.setFragment(anchor);
+    return url;
+}
+
+QList<QByteArray> QHelpDBReader::contentsForFilter(const QStringList &filterAttributes) const
+{
+    QList<QByteArray> contents;
+    if (!m_query)
+        return contents;
+
+    //SELECT DISTINCT a.Data FROM ContentsTable a, ContentsFilterTable b, FilterAttributeTable c WHERE a.Id=b.ContentsId AND b.FilterAttributeId=c.Id AND c.Name='qt' INTERSECT SELECT DISTINCT a.Data FROM ContentsTable a, ContentsFilterTable b, FilterAttributeTable c WHERE a.Id=b.ContentsId AND b.FilterAttributeId=c.Id AND c.Name='3.3.8';
+
+    QString query;
+    if (filterAttributes.isEmpty()) {
+        query = QLatin1String("SELECT Data from ContentsTable");
+    } else {
+        query = QString(QLatin1String("SELECT a.Data FROM ContentsTable a, "
+            "ContentsFilterTable b, FilterAttributeTable c "
+            "WHERE a.Id=b.ContentsId AND b.FilterAttributeId=c.Id "
+            "AND c.Name='%1'")).arg(quote(filterAttributes.first()));
+        for (int i=1; i<filterAttributes.count(); ++i) {
+            query.append(QString(QLatin1String(" INTERSECT SELECT a.Data FROM ContentsTable a, "
+            "ContentsFilterTable b, FilterAttributeTable c "
+            "WHERE a.Id=b.ContentsId AND b.FilterAttributeId=c.Id "
+            "AND c.Name='%1'")).arg(quote(filterAttributes.at(i))));
+        }
+    }
+
+    m_query->exec(query);
+    while (m_query->next()) {
+        contents.append(m_query->value(0).toByteArray());
+    }
+    return contents;
+}
+
+QUrl QHelpDBReader::urlOfPath(const QString &relativePath) const
+{
+    QUrl url;
+    if (!m_query)
+        return url;
+
+    m_query->exec(QLatin1String("SELECT a.Name, b.Name FROM NamespaceTable a, "
+        "FolderTable b WHERE a.id=b.NamespaceId and a.Id=1"));
+    if (m_query->next()) {
+        QString rp = relativePath;
+        QString anchor;
+        int i = rp.indexOf(QLatin1Char('#'));
+        if (i > -1) {
+            rp = relativePath.left(i);
+            anchor = relativePath.mid(i+1);
+        }
+        url = buildQUrl(m_query->value(0).toString(),
+            m_query->value(1).toString(), rp, anchor);
+    }
+    return url;
+}
+
+QStringList QHelpDBReader::files(const QStringList &filterAttributes,
+                                 const QString &extensionFilter) const
+{
+    QStringList lst;
+    if (!m_query)
+        return lst;
+
+    QString query;
+    QString extension;
+    if (!extensionFilter.isEmpty())
+        extension = QString(QLatin1String("AND b.Name like \'%.%1\'")).arg(extensionFilter);
+
+    if (filterAttributes.isEmpty()) {
+        query = QString(QLatin1String("SELECT a.Name, b.Name FROM FolderTable a, "
+            "FileNameTable b WHERE b.FolderId=a.Id %1"))
+            .arg(extension);
+    } else {
+        query = QString(QLatin1String("SELECT a.Name, b.Name FROM FolderTable a, "
+            "FileNameTable b, FileFilterTable c, FilterAttributeTable d "
+            "WHERE b.FolderId=a.Id AND b.FileId=c.FileId "
+            "AND c.FilterAttributeId=d.Id AND d.Name=\'%1\' %2"))
+            .arg(quote(filterAttributes.first())).arg(extension);
+        for (int i=1; i<filterAttributes.count(); ++i) {
+            query.append(QString(QLatin1String(" INTERSECT SELECT a.Name, b.Name FROM "
+                "FolderTable a, FileNameTable b, FileFilterTable c, "
+                "FilterAttributeTable d WHERE b.FolderId=a.Id AND "
+                "b.FileId=c.FileId AND c.FilterAttributeId=d.Id AND "
+                "d.Name=\'%1\' %2")).arg(quote(filterAttributes.at(i)))
+                .arg(extension));
+        }
+    }
+    m_query->exec(query);
+    while (m_query->next()) {
+        lst.append(m_query->value(0).toString() + QLatin1Char('/')
+            + m_query->value(1).toString());
+    }
+
+    return lst;
+}
+
+QVariant QHelpDBReader::metaData(const QString &name) const
+{
+    QVariant v;
+    if (!m_query)
+        return v;
+
+    m_query->prepare(QLatin1String("SELECT COUNT(Value), Value FROM MetaDataTable "
+        "WHERE Name=?"));
+    m_query->bindValue(0, name);
+    if (m_query->exec() && m_query->next()
+        && m_query->value(0).toInt() == 1)
+        v = m_query->value(1);
+    return v;
+}
+
+QString QHelpDBReader::mergeList(const QStringList &list) const
+{
+    QString str;
+    foreach (const QString &s, list)
+        str.append(QLatin1Char('\'') + quote(s) + QLatin1String("\', "));
+    if (str.endsWith(QLatin1String(", ")))
+        str = str.left(str.length()-2);
+    return str;
+}
+
+QString QHelpDBReader::quote(const QString &string) const
+{
+    QString s = string;
+    s.replace(QLatin1Char('\''), QLatin1String("\'\'"));
+    return s;
+}
+
+QSet<int> QHelpDBReader::indexIds(const QStringList &attributes) const
+{
+    QSet<int> ids;
+
+    if (attributes.isEmpty())
+        return ids;
+
+    QString query = QString(QLatin1String("SELECT a.IndexId FROM IndexFilterTable a, "
+        "FilterAttributeTable b WHERE a.FilterAttributeId=b.Id "
+        "AND b.Name='%1'")).arg(attributes.first());
+    for (int i=0; i<attributes.count(); ++i) {
+        query.append(QString(QLatin1String(" INTERSECT SELECT a.IndexId FROM "
+            "IndexFilterTable a, FilterAttributeTable b WHERE "
+            "a.FilterAttributeId=b.Id AND b.Name='%1'"))
+            .arg(attributes.at(i)));
+    }
+    
+    if (!m_query->exec(query))
+            return ids;
+
+    while (m_query->next())
+        ids.insert(m_query->value(0).toInt());
+    
+    return ids;
+}
+
+bool QHelpDBReader::createAttributesCache(const QStringList &attributes,
+                                          const QSet<int> &indexIds)
+{
+    m_useAttributesCache = false;
+
+    if (attributes.count() < 2) {
+        m_viewAttributes.clear();
+        return true;
+    }
+
+    bool needUpdate = !m_viewAttributes.count();
+
+    foreach (const QString &s, attributes)
+        m_viewAttributes.remove(s);
+
+    if (m_viewAttributes.count() || needUpdate) {
+        m_viewAttributes.clear();
+        m_indicesCache = indexIds;        
+    }
+    foreach (const QString &s, attributes)
+        m_viewAttributes.insert(s);
+    m_useAttributesCache = true;
+    return true;
+}
+
+QT_END_NAMESPACE