src/xmlpatterns/utils/qnamespacebinding_p.h
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/xmlpatterns/utils/qnamespacebinding_p.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,143 @@
+/****************************************************************************
+**
+** 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 Patternist_NamespaceBinding_H
+#define Patternist_NamespaceBinding_H
+
+template<typename T> class QVector;
+
+#include "qxmlname.h"
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+namespace QPatternist
+{
+    /**
+     * @short Represents a namespace binding: a prefix, and a namespace URI.
+     *
+     * @author Frans Englich <frans.englich@nokia.com>
+     */
+    class NamespaceBinding
+    {
+    public:
+        enum
+        {
+            InvalidCode = -1
+        };
+
+        typedef QVector<NamespaceBinding> Vector;
+
+        inline NamespaceBinding() : m_prefix(InvalidCode),
+                                    m_namespace(InvalidCode)
+        {
+        }
+
+        inline NamespaceBinding(const QXmlName::PrefixCode p,
+                                const QXmlName::NamespaceCode n) : m_prefix(p),
+                                                                m_namespace(n)
+        {
+        }
+
+        inline bool operator==(const NamespaceBinding &other) const
+        {
+            return m_prefix == other.m_prefix &&
+                   m_namespace == other.m_namespace;
+        }
+
+        inline QXmlName::PrefixCode prefix() const
+        {
+            return m_prefix;
+        }
+
+        inline QXmlName::NamespaceCode namespaceURI() const
+        {
+            return m_namespace;
+        }
+
+        inline bool isNull() const
+        {
+            return m_prefix == InvalidCode;
+        }
+
+        /**
+         * @short Constructs a NamespaceBinding whose prefix and namespace is
+         * taken from @p qName.
+         *
+         * The local name in @p qName is ignored. @p qName may not be null.
+         */
+        static inline NamespaceBinding fromQXmlName(const QXmlName qName)
+        {
+            Q_ASSERT(!qName.isNull());
+            return NamespaceBinding(qName.prefix(), qName.namespaceURI());
+        }
+
+    private:
+        QXmlName::PrefixCode      m_prefix;
+        QXmlName::NamespaceCode   m_namespace;
+    };
+
+    /**
+     * @relates NamespaceBinding
+     */
+    static inline uint qHash(const NamespaceBinding nb)
+    {
+        return (nb.prefix() << 16) + nb.namespaceURI();
+    }
+
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif