--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/xmlpatterns/expr/qqnameconstructor_p.h Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,182 @@
+/****************************************************************************
+**
+** 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_QNameConstructor_H
+#define Patternist_QNameConstructor_H
+
+#include "qsinglecontainer_p.h"
+#include "qbuiltintypes_p.h"
+#include "qpatternistlocale_p.h"
+#include "qxpathhelper_p.h"
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+namespace QPatternist
+{
+ /**
+ * @short Creates an @c xs:QName value from a lexical QName using
+ * statically known namespace bindings.
+ *
+ * @see QQNameValue
+ * @see QXmlUtils
+ * @author Frans Englich <frans.englich@nokia.com>
+ * @ingroup Patternist_expressions
+ */
+ class QNameConstructor : public SingleContainer
+ {
+ public:
+
+ QNameConstructor(const Expression::Ptr &source,
+ const NamespaceResolver::Ptr &nsResolver);
+
+ virtual Item evaluateSingleton(const DynamicContext::Ptr &) const;
+
+ virtual SequenceType::List expectedOperandTypes() const;
+
+ virtual SequenceType::Ptr staticType() const;
+
+ virtual ExpressionVisitorResult::Ptr accept(const ExpressionVisitor::Ptr &visitor) const;
+
+ /**
+ * Expands @p lexicalQName, which is a lexical representation of a QName such as "x:body", into
+ * a QName using @p nsResolver to supply the namespace bindings.
+ *
+ * If @p lexicalQName is lexically invalid @p InvalidQName is raised via @p context, or if
+ * no namespace binding does not exists for a prefix(if any) in @p lexicalQName, @p NoBinding
+ * is raised via @p context.
+ *
+ * If @p asForAttribute is @c true, the name is considered to be for an
+ * attribute in some way, and @p lexicalQName will not pick up the
+ * default namespace if it doesn't have a prefix.
+ *
+ * @p nsResolver is parameterized meaning the function can be instantiated with either
+ * DynamicContext or StaticContext.
+ *
+ * @see QQNameValue
+ * @see QXmlUtils
+ */
+ template<typename TReportContext,
+ const ReportContext::ErrorCode InvalidQName,
+ const ReportContext::ErrorCode NoBinding>
+ static
+ QXmlName expandQName(const QString &lexicalQName,
+ const TReportContext &context,
+ const NamespaceResolver::Ptr &nsResolver,
+ const SourceLocationReflection *const r,
+ const bool asForAttribute = false);
+
+ /**
+ * Resolves the namespace prefix @p prefix to its namespace if it exists, or
+ * raised ReportContext::XPST0081 otherwise.
+ *
+ * @returns the namespace URI corresponding to @p prefix
+ */
+ static QXmlName::NamespaceCode namespaceForPrefix(const QXmlName::PrefixCode prefix,
+ const StaticContext::Ptr &context,
+ const SourceLocationReflection *const r);
+
+ virtual const SourceLocationReflection *actualReflection() const;
+
+ private:
+ const NamespaceResolver::Ptr m_nsResolver;
+ };
+
+ template<typename TReportContext,
+ const ReportContext::ErrorCode InvalidQName,
+ const ReportContext::ErrorCode NoBinding>
+ QXmlName QNameConstructor::expandQName(const QString &lexicalQName,
+ const TReportContext &context,
+ const NamespaceResolver::Ptr &nsResolver,
+ const SourceLocationReflection *const r,
+ const bool asForAttribute)
+ {
+ Q_ASSERT(nsResolver);
+ Q_ASSERT(context);
+
+ if(XPathHelper::isQName(lexicalQName))
+ {
+ QString prefix;
+ QString local;
+ XPathHelper::splitQName(lexicalQName, prefix, local);
+ const QXmlName::NamespaceCode nsCode = asForAttribute && prefix.isEmpty() ? QXmlName::NamespaceCode(StandardNamespaces::empty)
+ : (nsResolver->lookupNamespaceURI(context->namePool()->allocatePrefix(prefix)));
+
+ if(nsCode == NamespaceResolver::NoBinding)
+ {
+ context->error(QtXmlPatterns::tr("No namespace binding exists for "
+ "the prefix %1 in %2").arg(formatKeyword(prefix),
+ formatKeyword(lexicalQName)),
+ NoBinding,
+ r);
+ return QXmlName(); /* Silence compiler warning. */
+ }
+ else
+ return context->namePool()->allocateQName(context->namePool()->stringForNamespace(nsCode), local, prefix);
+ }
+ else
+ {
+ context->error(QtXmlPatterns::tr("%1 is an invalid %2")
+ .arg(formatData(lexicalQName))
+ .arg(formatType(context->namePool(), BuiltinTypes::xsQName)),
+ InvalidQName,
+ r);
+ return QXmlName(); /* Silence compiler warning. */
+ }
+ }
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif