diff -r 000000000000 -r 1918ee327afb src/xmlpatterns/expr/qncnameconstructor_p.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/xmlpatterns/expr/qncnameconstructor_p.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,154 @@
+/****************************************************************************
+**
+** 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_NCNameConstructor_H
+#define Patternist_NCNameConstructor_H
+
+#include "qsinglecontainer_p.h"
+#include "qpatternistlocale_p.h"
+#include "private/qxmlutils_p.h"
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+namespace QPatternist
+{
+    /**
+     * @short Ensures the lexical space of the string value of the Item returned
+     * from its child Expression is an NCName.
+     *
+     * @note It doesn't actually construct an @c xs:NCName. It only ensures the lexical
+     * space is an @c NCName. The atomic value can be of any string type, such as @c xs:untypedAtomic
+     * of @c xs:string.
+     *
+     * @author Frans Englich <frans.englich@nokia.com>
+     * @ingroup Patternist_expressions
+     */
+    class NCNameConstructor : public SingleContainer
+    {
+    public:
+
+        NCNameConstructor(const Expression::Ptr &source);
+
+        virtual Item evaluateSingleton(const DynamicContext::Ptr &) const;
+
+        virtual SequenceType::List expectedOperandTypes() const;
+
+        virtual Expression::Ptr typeCheck(const StaticContext::Ptr &context,
+                                          const SequenceType::Ptr &reqType);
+
+        virtual SequenceType::Ptr staticType() const;
+
+        virtual ExpressionVisitorResult::Ptr accept(const ExpressionVisitor::Ptr &visitor) const;
+
+        /**
+         *  Validates @p lexicalNCName as a processing instruction's target
+         *  name, and raise an error if it's not an @c  NCName.
+         */
+        template<typename TReportContext,
+                 const ReportContext::ErrorCode NameIsXML,
+                 const ReportContext::ErrorCode LexicallyInvalid>
+        static inline
+        void validateTargetName(const QString &lexicalNCName,
+                                const TReportContext &context,
+                                const SourceLocationReflection *const r);
+    private:
+
+        /**
+         * This translation string is put here in order to avoid duplicate messages and
+         * hence reduce work for translators and increase consistency.
+         */
+        static
+        const QString nameIsXML(const QString &lexTarget)
+        {
+            return QtXmlPatterns::tr("The target name in a processing instruction "
+                                     "cannot be %1 in any combination of upper "
+                                     "and lower case. Therefore, is %2 invalid.")
+                .arg(formatKeyword("xml"), formatKeyword(lexTarget));
+        }
+    };
+
+    template<typename TReportContext,
+             const ReportContext::ErrorCode NameIsXML,
+             const ReportContext::ErrorCode LexicallyInvalid>
+    inline
+    void NCNameConstructor::validateTargetName(const QString &lexicalTarget,
+                                               const TReportContext &context,
+                                               const SourceLocationReflection *const r)
+    {
+        Q_ASSERT(context);
+
+        if(QXmlUtils::isNCName(lexicalTarget))
+        {
+            if(QString::compare(QLatin1String("xml"), lexicalTarget, Qt::CaseInsensitive) == 0)
+                context->error(nameIsXML(lexicalTarget), NameIsXML, r);
+        }
+        else
+        {
+            context->error(QtXmlPatterns::tr("%1 is not a valid target name in "
+                                             "a processing instruction. It "
+                                             "must be a %2 value, e.g. %3.")
+                           .arg(formatKeyword(lexicalTarget))
+                           .arg(formatType(context->namePool(),
+                                           BuiltinTypes::xsNCName))
+                           .arg(formatKeyword("my-name.123")),
+                           LexicallyInvalid,
+                           r);
+        }
+    }
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif