| /**************************************************************************** |
| ** |
| ** 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 QtXmlPatterns module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** GNU Lesser General Public License Usage |
| ** 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. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU General |
| ** Public License version 3.0 as published by the Free Software Foundation |
| ** and appearing in the file LICENSE.GPL included in the packaging of this |
| ** file. Please review the following information to ensure the GNU General |
| ** Public License version 3.0 requirements will be met: |
| ** http://www.gnu.org/copyleft/gpl.html. |
| ** |
| ** Other Usage |
| ** Alternatively, this file may be used in accordance with the terms and |
| ** conditions contained in a signed written agreement between you and Nokia. |
| ** |
| ** |
| ** |
| ** |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| |
| #ifndef QXMLSERIALIZER_P_H |
| #define QXMLSERIALIZER_P_H |
| |
| #include <QtCore/QIODevice> |
| #include <QtCore/QStack> |
| #include <QtCore/QTextCodec> |
| #include <QtXmlPatterns/QXmlQuery> |
| #include <QtXmlPatterns/QXmlNamePool> |
| #include <QtXmlPatterns/QXmlSerializer> |
| |
| #include "qnamepool_p.h" |
| #include "qabstractxmlreceiver_p.h" |
| |
| QT_BEGIN_HEADER |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QXmlSerializerPrivate : public QAbstractXmlReceiverPrivate |
| { |
| public: |
| QXmlSerializerPrivate(const QXmlQuery &q, |
| QIODevice *outputDevice); |
| |
| QStack<QPair<QXmlName, bool> > hasClosedElement; |
| bool isPreviousAtomic; |
| QXmlSerializer::State state; |
| const QPatternist::NamePool::Ptr np; |
| |
| /** |
| * This member worries me a bit. We never use it but nevertheless |
| * it is pushed and pops linear to startElement() and endElement(). |
| * An optimization would be to at least merge it with hasClosedElement, |
| * but even better to push it on demand. That is, namespaceBinding() |
| * pushes it up to the tree depth first when it is needed. |
| */ |
| QStack<QVector<QXmlName> > namespaces; |
| |
| QIODevice * device; |
| const QTextCodec * codec; |
| QTextCodec::ConverterState converterState; |
| /** |
| * Name cache. Since encoding QStrings are rather expensive |
| * operations to do, and we on top of that would have to do |
| * it each time a name appears, we here map names to their |
| * encoded equivalents. |
| * |
| * This means that when writing out large documents, the serialization |
| * of names after a while is reduced to a hash lookup and passing an |
| * existing byte array. |
| * |
| * We use QXmlName::Code as key as opposed to merely QName, because the |
| * prefix is of significance. |
| */ |
| QHash<QXmlName::Code, QByteArray> nameCache; |
| const QXmlQuery query; |
| |
| inline void write(const char c); |
| |
| private: |
| enum Constants |
| { |
| EstimatedTreeDepth = 10, |
| |
| /** |
| * We use a high count to avoid rehashing. We can afford it since we |
| * only allocate one hash for this. |
| */ |
| EstimatedNameCount = 60 |
| }; |
| }; |
| |
| void QXmlSerializerPrivate::write(const char c) |
| { |
| device->putChar(c); |
| } |
| QT_END_NAMESPACE |
| QT_END_HEADER |
| |
| #endif |