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+/****************************************************************************
+**
+** Copyright (C) 2010 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial Usage
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+** 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.
+**
+** 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QABSTRACTXMLNODEMODEL_H
+#define QABSTRACTXMLNODEMODEL_H
+
+#include <QtXmlPatterns/QXmlName>
+#include <QtCore/QSharedData>
+#include <QtCore/QScopedPointer>
+
+QT_BEGIN_HEADER
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(XmlPatterns)
+
+/* This file contains the classes QXmlNodeModelIndex, QAbstractXmlNodeModel,
+ * QXmlItem and QPatternist::NodeIndexStorage. */
+
+class QAbstractXmlNodeModel;
+class QAbstractXmlNodeModelPrivate;
+class QAbstractXmlReceiver;
+class QSourceLocation;
+class QUrl;
+class QXmlName;
+class QXmlNodeModelIndex;
+template<typename T> class QAbstractXmlForwardIterator;
+template<typename T> class QVector;
+
+/* The members in the namespace QPatternist are internal, not part of the public API, and
+ * unsupported. Using them leads to undefined behavior. */
+namespace QPatternist
+{
+ class DynamicContext;
+ class Item;
+ class ItemType;
+ class XsdValidatedXmlNodeModel;
+ template<typename TResult, typename TSource, typename TMapper, typename Context> class ItemMappingIterator;
+ template<typename TResult, typename TSource, typename TMapper> class SequenceMappingIterator;
+ typedef QExplicitlySharedDataPointer<ItemType> ItemTypePtr;
+ typedef QExplicitlySharedDataPointer<QAbstractXmlForwardIterator<Item> > ItemIteratorPtr;
+ typedef QVector<QXmlName> QXmlNameVector;
+
+ class NodeIndexStorage
+ {
+ public:
+ typedef qint64 Data;
+
+ /*!
+ \note Changing merely the order of these two members, ptr and data,
+ is a binary incompatible change on Mac Power PC.
+ */
+ union
+ {
+ void *ptr; // Do not use ptr directy, use pointer() instead.
+ Data data;
+ };
+ void *pointer() const
+ {
+ /* Constructing to qptrdiff means we avoid the warning "cast to pointer
+ * from integer of different size."
+ */
+ return (void *)qptrdiff(data);
+ }
+
+ Data additionalData;
+ const QAbstractXmlNodeModel *model;
+
+ /* Implementation is in qabstractxmlnodemodel.cpp. */
+ inline bool operator!=(const NodeIndexStorage &other) const;
+ };
+}
+
+class Q_XMLPATTERNS_EXPORT QXmlNodeModelIndex
+{
+ enum Constants
+ {
+ ForwardAxis = 8192,
+ ReverseAxis = 16384
+ };
+
+public:
+ inline QXmlNodeModelIndex()
+ {
+ reset();
+ }
+
+ inline QXmlNodeModelIndex(const QXmlNodeModelIndex &other) : m_storage(other.m_storage)
+ {
+ }
+
+ bool operator==(const QXmlNodeModelIndex &other) const;
+ bool operator!=(const QXmlNodeModelIndex &other) const;
+
+ typedef QAbstractXmlForwardIterator<QXmlNodeModelIndex> Iterator;
+ typedef QList<QXmlNodeModelIndex> List;
+
+ enum NodeKind
+ {
+ Attribute = 1,
+ Comment = 2,
+ Document = 4,
+ Element = 8,
+ Namespace = 16,
+ ProcessingInstruction = 32,
+ Text = 64
+ };
+
+ enum DocumentOrder
+ {
+ Precedes = -1,
+ Is = 0,
+ Follows = 1
+ };
+
+ enum Axis
+ {
+ AxisChild = 1 | ForwardAxis,
+ AxisDescendant = 2 | ForwardAxis,
+ AxisAttribute = 4 | ForwardAxis,
+ AxisSelf = 8 | ForwardAxis,
+ AxisDescendantOrSelf = 16 | ForwardAxis,
+ AxisFollowingSibling = 32 | ForwardAxis,
+ AxisNamespace = 64 | ForwardAxis,
+ AxisFollowing = 128 | ReverseAxis,
+ AxisParent = 256 | ReverseAxis,
+ AxisAncestor = 512 | ReverseAxis,
+ AxisPrecedingSibling = 1024 | ReverseAxis,
+ AxisPreceding = 2048 | ReverseAxis,
+ AxisAncestorOrSelf = 4096 | ReverseAxis,
+ /* Note that we cannot clash with the values of ForwardAxis and
+ * ReverseAxis. */
+ AxisChildOrTop = 32768 | ForwardAxis,
+ AxisAttributeOrTop = 65536 | ForwardAxis
+ };
+
+ inline qint64 data() const
+ {
+ return m_storage.data;
+ }
+
+ inline void *internalPointer() const
+ {
+ return m_storage.pointer();
+ }
+
+ inline const QAbstractXmlNodeModel *model() const
+ {
+ return m_storage.model;
+ }
+
+ inline qint64 additionalData() const
+ {
+ return m_storage.additionalData;
+ }
+
+ inline bool isNull() const
+ {
+ return !m_storage.model;
+ }
+
+ /* The members below are internal, not part of the public API, and
+ * unsupported. Using them leads to undefined behavior. */
+
+ inline QXmlName name() const;
+ inline QXmlNodeModelIndex root() const;
+ inline QExplicitlySharedDataPointer<QAbstractXmlForwardIterator<QXmlNodeModelIndex> > iterate(const Axis axis) const;
+ inline QExplicitlySharedDataPointer<QAbstractXmlForwardIterator<QPatternist::Item> > sequencedTypedValue() const;
+ inline QUrl documentUri() const;
+ inline QUrl baseUri() const;
+ inline NodeKind kind() const;
+ inline bool isDeepEqual(const QXmlNodeModelIndex &other) const;
+ inline DocumentOrder compareOrder(const QXmlNodeModelIndex &other) const;
+ inline void sendNamespaces(QAbstractXmlReceiver *const receiver) const;
+ inline QVector<QXmlName> namespaceBindings() const;
+ inline QXmlName::NamespaceCode namespaceForPrefix(const QXmlName::PrefixCode prefix) const;
+ inline QString stringValue() const;
+ inline QPatternist::ItemTypePtr type() const;
+ inline bool is(const QXmlNodeModelIndex &other) const;
+
+ inline void reset()
+ {
+ m_storage.data = 0;
+ m_storage.additionalData = 0;
+ m_storage.model = 0;
+ }
+
+private:
+ static inline QXmlNodeModelIndex create(const qint64 d,
+ const QAbstractXmlNodeModel *const nm)
+ {
+ QXmlNodeModelIndex n;
+ n.m_storage.data = d;
+ n.m_storage.model = nm;
+ n.m_storage.additionalData = 0;
+ return n;
+ }
+
+ static inline QXmlNodeModelIndex create(const qint64 data,
+ const QAbstractXmlNodeModel *const nm,
+ const qint64 addData)
+ {
+ QXmlNodeModelIndex n;
+ n.m_storage.data = data;
+ n.m_storage.model = nm;
+ n.m_storage.additionalData = addData;
+ return n;
+ }
+
+ inline QXmlNodeModelIndex(const QPatternist::NodeIndexStorage &storage) : m_storage(storage)
+ {
+ }
+
+ friend class QAbstractXmlNodeModel;
+ friend class QPatternist::Item;
+ friend class QXmlItem;
+ inline operator int() const; // Disable
+
+ QPatternist::NodeIndexStorage m_storage;
+};
+
+Q_XMLPATTERNS_EXPORT uint qHash(const QXmlNodeModelIndex &index);
+
+inline bool qIsForwardIteratorEnd(const QXmlNodeModelIndex &item)
+{
+ return item.isNull();
+}
+
+class Q_XMLPATTERNS_EXPORT QAbstractXmlNodeModel : public QSharedData
+{
+public:
+ enum SimpleAxis
+ {
+ Parent,
+ FirstChild,
+ PreviousSibling,
+ NextSibling
+ };
+
+ typedef QExplicitlySharedDataPointer<QAbstractXmlNodeModel> Ptr;
+ typedef QList<Ptr> List;
+
+ QAbstractXmlNodeModel();
+ virtual ~QAbstractXmlNodeModel();
+
+ virtual QUrl baseUri(const QXmlNodeModelIndex &ni) const = 0;
+ virtual QUrl documentUri(const QXmlNodeModelIndex &ni) const = 0;
+ virtual QXmlNodeModelIndex::NodeKind kind(const QXmlNodeModelIndex &ni) const = 0;
+ virtual QXmlNodeModelIndex::DocumentOrder compareOrder(const QXmlNodeModelIndex &ni1,
+ const QXmlNodeModelIndex &ni2) const = 0;
+ virtual QXmlNodeModelIndex root(const QXmlNodeModelIndex &n) const = 0;
+ virtual QXmlName name(const QXmlNodeModelIndex &ni) const = 0;
+ virtual QString stringValue(const QXmlNodeModelIndex &n) const = 0;
+ virtual QVariant typedValue(const QXmlNodeModelIndex &n) const = 0;
+
+ /* The members below are internal, not part of the public API, and
+ * unsupported. Using them leads to undefined behavior. */
+ virtual QExplicitlySharedDataPointer<QAbstractXmlForwardIterator<QXmlNodeModelIndex> > iterate(const QXmlNodeModelIndex &ni, QXmlNodeModelIndex::Axis axis) const;
+ virtual QPatternist::ItemIteratorPtr sequencedTypedValue(const QXmlNodeModelIndex &ni) const;
+ virtual QPatternist::ItemTypePtr type(const QXmlNodeModelIndex &ni) const;
+ virtual QXmlName::NamespaceCode namespaceForPrefix(const QXmlNodeModelIndex &ni,
+ const QXmlName::PrefixCode prefix) const;
+ virtual bool isDeepEqual(const QXmlNodeModelIndex &ni1,
+ const QXmlNodeModelIndex &ni2) const;
+ virtual void sendNamespaces(const QXmlNodeModelIndex &n,
+ QAbstractXmlReceiver *const receiver) const;
+ virtual QVector<QXmlName> namespaceBindings(const QXmlNodeModelIndex &n) const = 0;
+
+
+ virtual QXmlNodeModelIndex elementById(const QXmlName &NCName) const = 0;
+ virtual QVector<QXmlNodeModelIndex> nodesByIdref(const QXmlName &NCName) const = 0;
+
+ enum NodeCopySetting
+ {
+ InheritNamespaces = 0x1,
+ PreserveNamespaces = 0x2
+ };
+
+ typedef QFlags<NodeCopySetting> NodeCopySettings;
+ virtual void copyNodeTo(const QXmlNodeModelIndex &node,
+ QAbstractXmlReceiver *const receiver,
+ const NodeCopySettings &) const;
+
+ QSourceLocation sourceLocation(const QXmlNodeModelIndex &index) const;
+
+protected:
+
+ virtual QXmlNodeModelIndex nextFromSimpleAxis(SimpleAxis axis, const QXmlNodeModelIndex &origin) const = 0;
+ virtual QVector<QXmlNodeModelIndex> attributes(const QXmlNodeModelIndex &element) const = 0;
+
+ QAbstractXmlNodeModel(QAbstractXmlNodeModelPrivate *d);
+
+ inline QXmlNodeModelIndex createIndex(qint64 data) const
+ {
+ return QXmlNodeModelIndex::create(data, this);
+ }
+
+ inline QXmlNodeModelIndex createIndex(void * pointer,
+ qint64 additionalData = 0) const
+ {
+ return QXmlNodeModelIndex::create(qptrdiff(pointer), this, additionalData);
+ }
+
+ inline QXmlNodeModelIndex createIndex(qint64 data,
+ qint64 additionalData) const
+ {
+ return QXmlNodeModelIndex::create(data, this, additionalData);
+ }
+
+ QScopedPointer<QAbstractXmlNodeModelPrivate> d_ptr;
+private:
+ friend class QPatternist::ItemMappingIterator<QXmlNodeModelIndex, QXmlNodeModelIndex, const QAbstractXmlNodeModel *, QExplicitlySharedDataPointer<QPatternist::DynamicContext> >;
+ friend class QPatternist::SequenceMappingIterator<QXmlNodeModelIndex, QXmlNodeModelIndex, const QAbstractXmlNodeModel *>;
+ friend class QPatternist::XsdValidatedXmlNodeModel;
+
+ inline QExplicitlySharedDataPointer<QAbstractXmlForwardIterator<QXmlNodeModelIndex> > mapToSequence(const QXmlNodeModelIndex &ni,
+ const QExplicitlySharedDataPointer<QPatternist::DynamicContext> &) const;
+
+ static inline bool isIgnorableInDeepEqual(const QXmlNodeModelIndex &n);
+ Q_DISABLE_COPY(QAbstractXmlNodeModel)
+};
+
+Q_DECLARE_TYPEINFO(QXmlNodeModelIndex, Q_MOVABLE_TYPE);
+
+template<typename T> class QAbstractXmlForwardIterator;
+class QVariant;
+class QXmlItemPrivate;
+
+namespace QPatternist
+{
+ class AtomicValue;
+ class VariableLoader;
+ class IteratorBridge;
+ class ToQXmlItemMapper;
+ class ToItemMapper;
+}
+
+class Q_XMLPATTERNS_EXPORT QXmlItem
+{
+public:
+ typedef QAbstractXmlForwardIterator<QXmlItem> Iterator;
+
+ QXmlItem();
+ QXmlItem(const QXmlItem &other);
+ QXmlItem(const QXmlNodeModelIndex &node);
+ QXmlItem(const QVariant &atomicValue);
+ ~QXmlItem();
+ QXmlItem &operator=(const QXmlItem &other);
+
+ bool isNull() const;
+ bool isNode() const;
+ bool isAtomicValue() const;
+
+ QVariant toAtomicValue() const;
+ QXmlNodeModelIndex toNodeModelIndex() const;
+
+private:
+ friend class QPatternist::IteratorBridge;
+ friend class QPatternist::VariableLoader;
+ friend class QPatternist::ToQXmlItemMapper;
+ friend class QPatternist::ToItemMapper;
+ friend class QPatternist::Item;
+
+ inline bool internalIsAtomicValue() const;
+
+ inline QXmlItem(const QPatternist::Item &i);
+
+ union
+ {
+ QPatternist::NodeIndexStorage m_node;
+
+ /* These two sits at the position of NodeIndexStorage::data.
+ * NodeIndexStorage::{additionalData,model} are free. */
+ const QPatternist::AtomicValue *m_atomicValue;
+ QXmlItemPrivate * m_ptr; /* Not currently used. */
+ };
+};
+
+inline bool qIsForwardIteratorEnd(const QXmlItem &item)
+{
+ return item.isNull();
+}
+
+Q_DECLARE_TYPEINFO(QXmlItem, Q_MOVABLE_TYPE);
+
+QT_END_NAMESPACE
+
+Q_DECLARE_METATYPE(QXmlItem) /* This macro must appear after QT_END_NAMESPACE. */
+
+QT_END_HEADER
+
+#endif