--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/xmlpatterns/api/qabstractxmlforwarditerator_p.h Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,341 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//
+// 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 QABSTRACTXMLFORWARDITERATOR_H
+#define QABSTRACTXMLFORWARDITERATOR_H
+
+#include <QtCore/QList>
+#include <QtCore/QVector>
+#include <QtCore/QSharedData>
+#include <QtCore/QString>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(XmlPatterns)
+
+template<typename T> class QVector;
+
+/* In this file we in some cases do not use QAbstractXmlForwardIterator's Ptr typedef.
+ * This is a compiler workaround for MS VS 6.0. */
+
+template<typename T>
+inline bool qIsForwardIteratorEnd(const T &unit)
+{
+ return !unit;
+}
+
+/**
+ * @short Helper class for StringSplitter
+ *
+ * Needed by the QAbstractXmlForwardIterator sub-class.
+ *
+ * @relates StringSplitter
+ */
+template<>
+inline bool qIsForwardIteratorEnd(const QString &unit)
+{
+ return unit.isNull();
+}
+
+template<typename T> class QAbstractXmlForwardIterator;
+
+class QAbstractXmlForwardIteratorPrivate;
+
+template<typename T>
+class QAbstractXmlForwardIterator : public QSharedData
+{
+public:
+ typedef QExplicitlySharedDataPointer<QAbstractXmlForwardIterator<T> > Ptr;
+ typedef QList<QExplicitlySharedDataPointer<QAbstractXmlForwardIterator<T> > > List;
+ typedef QVector<QExplicitlySharedDataPointer<QAbstractXmlForwardIterator<T> > > Vector;
+
+ inline QAbstractXmlForwardIterator() : d_ptr(0) {}
+ virtual ~QAbstractXmlForwardIterator() {}
+
+ virtual T next() = 0;
+ virtual T current() const = 0;
+
+ virtual qint64 position() const = 0;
+
+ virtual typename QAbstractXmlForwardIterator<T>::Ptr toReversed();
+ virtual QList<T> toList();
+ virtual typename QAbstractXmlForwardIterator<T>::Ptr copy() const;
+ virtual T last();
+ virtual bool isEmpty();
+ virtual qint64 count();
+ virtual qint64 sizeHint() const;
+
+private:
+ Q_DISABLE_COPY(QAbstractXmlForwardIterator<T>)
+
+ QAbstractXmlForwardIteratorPrivate *d_ptr; /* Currently not used. */
+};
+
+/* The namespace QPatternist and its members are internal, not part of the public API, and
+ * unsupported. Using them leads to undefined behavior. */
+namespace QPatternist
+{
+ class DeduplicateIterator;
+
+ template<typename InputType,
+ typename OutputType,
+ typename Derived,
+ typename ListType = QList<InputType> >
+ class ListIteratorPlatform : public QAbstractXmlForwardIterator<OutputType>
+ {
+ /* This declaration is a workaround for a set of GCC versions on OS X,
+ * amongst others powerpc-apple-darwin8-gcc-4.0.1 (GCC) 4.0.1. In
+ * DeduplicateIterator, it fails to see the protected inheritance. */
+ friend class DeduplicateIterator;
+
+ public:
+ virtual OutputType next()
+ {
+ if(m_position == -1)
+ return OutputType();
+
+ if(m_position == m_list.count())
+ {
+ m_position = -1;
+ m_current = OutputType();
+ return OutputType();
+ }
+
+ m_current = static_cast<const Derived *>(this)->inputToOutputItem(m_list.at(m_position));
+ ++m_position;
+ return m_current;
+ }
+
+ virtual OutputType current() const
+ {
+ return m_current;
+ }
+
+ virtual qint64 position() const
+ {
+ return m_position;
+ }
+
+ virtual qint64 count()
+ {
+ return m_list.count();
+ }
+
+ virtual typename QAbstractXmlForwardIterator<OutputType>::Ptr copy() const
+ {
+ return QExplicitlySharedDataPointer<QAbstractXmlForwardIterator<OutputType> >(new ListIteratorPlatform<InputType, OutputType, Derived, ListType>(m_list));
+ }
+
+ protected:
+ inline ListIteratorPlatform(const ListType &list) : m_list(list)
+ , m_position(0)
+ {
+ }
+
+ const ListType m_list;
+ qint64 m_position;
+ OutputType m_current;
+ };
+
+ template<typename T,
+ typename ListType = QList<T> >
+ class ListIterator : public ListIteratorPlatform<T, T, ListIterator<T, ListType>, ListType>
+ {
+ /*
+ * This declaration is needed for MSVC 2005, 14.00.50727.42 for 80x86.
+ */
+ friend class IteratorVector;
+
+ using ListIteratorPlatform<T, T, ListIterator<T, ListType>, ListType>::m_list;
+
+ static inline QVector<T> toVector(const QVector<T> &vector)
+ {
+ return vector;
+ }
+
+ static inline QVector<T> toVector(const QList<T> &list)
+ {
+ return list.toVector();
+ }
+
+ static inline QList<T> toList(const QVector<T> &vector)
+ {
+ return vector.toList();
+ }
+
+ static inline QList<T> toList(const QList<T> &list)
+ {
+ return list;
+ }
+
+ public:
+ inline ListIterator(const ListType &list) : ListIteratorPlatform<T, T, ListIterator<T, ListType>, ListType>(list)
+ {
+ }
+
+ virtual QList<T> toList()
+ {
+ return toList(m_list);
+ }
+
+ virtual QVector<T> toVector()
+ {
+ return toVector(m_list);
+ }
+
+ private:
+ inline const T &inputToOutputItem(const T &inputType) const
+ {
+ return inputType;
+ }
+ friend class ListIteratorPlatform<T, T, ListIterator<T, ListType>, ListType>;
+
+ // needed for MSVC 2005
+ friend class DeduplicateIterator;
+ };
+
+ template<typename T>
+ inline
+ typename QAbstractXmlForwardIterator<T>::Ptr
+ makeListIterator(const QList<T> &list)
+ {
+ return typename ListIterator<T>::Ptr(new ListIterator<T>(list));
+ }
+
+ template<typename T>
+ inline
+ typename QAbstractXmlForwardIterator<T>::Ptr
+ makeVectorIterator(const QVector<T> &vector)
+ {
+ return typename ListIterator<T, QVector<T> >::Ptr(new ListIterator<T, QVector<T> >(vector));
+ }
+}
+
+template<typename T>
+QList<T> QAbstractXmlForwardIterator<T>::toList()
+{
+ QList<T> result;
+ T item(next());
+
+ while(!qIsForwardIteratorEnd(item))
+ {
+ result.append(item);
+ item = next();
+ }
+
+ return result;
+}
+
+template<typename T>
+qint64 QAbstractXmlForwardIterator<T>::count()
+{
+ qint64 retval = 0;
+
+ while(!qIsForwardIteratorEnd(next()))
+ ++retval;
+
+ return retval;
+}
+
+template<typename T>
+typename QAbstractXmlForwardIterator<T>::Ptr QAbstractXmlForwardIterator<T>::toReversed()
+{
+ T item(next());
+ QList<T> result;
+
+ while(!qIsForwardIteratorEnd(item))
+ {
+ result.prepend(item);
+ item = next();
+ }
+
+ return QExplicitlySharedDataPointer<QAbstractXmlForwardIterator<T> >(new QPatternist::ListIterator<T>(result));
+}
+
+template<typename T>
+T QAbstractXmlForwardIterator<T>::last()
+{
+ T item(next());
+
+ while(!qIsForwardIteratorEnd(item))
+ item = next();
+
+ return item;
+}
+
+template<typename T>
+typename QAbstractXmlForwardIterator<T>::Ptr QAbstractXmlForwardIterator<T>::copy() const
+{
+ Q_ASSERT_X(false, Q_FUNC_INFO,
+ "This function is internal, unsupported, and should never be called.");
+ return typename QAbstractXmlForwardIterator<T>::Ptr();
+}
+
+template<typename T>
+bool QAbstractXmlForwardIterator<T>::isEmpty()
+{
+ return qIsForwardIteratorEnd(next());
+}
+
+template<typename T>
+qint64 QAbstractXmlForwardIterator<T>::sizeHint() const
+{
+ Q_ASSERT_X(false, Q_FUNC_INFO, "This function is currently not expected to be used.");
+ return -1;
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif