| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtXmlPatterns module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
| ** Software or, alternatively, in accordance with the terms contained in |
| ** a written agreement between you and The Qt Company. For licensing terms |
| ** and conditions see https://www.qt.io/terms-conditions. For further |
| ** information use the contact form at https://www.qt.io/contact-us. |
| ** |
| ** GNU Lesser General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU Lesser |
| ** General Public License version 3 as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
| ** packaging of this file. Please review the following information to |
| ** ensure the GNU Lesser General Public License version 3 requirements |
| ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 2.0 or (at your option) the GNU General |
| ** Public license version 3 or any later version approved by the KDE Free |
| ** Qt Foundation. The licenses are as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
| ** be met: https://www.gnu.org/licenses/gpl-2.0.html and |
| ** https://www.gnu.org/licenses/gpl-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| // |
| // 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 <private/qsinglecontainer_p.h> |
| #include <private/qbuiltintypes_p.h> |
| #include <private/qpatternistlocale_p.h> |
| #include <private/qxpathhelper_p.h> |
| |
| 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 |
| |
| #endif |