| /**************************************************************************** |
| ** |
| ** 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. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
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| ** General Public License version 3 as published by the Free Software |
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| ** |
| ** 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 |
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| ****************************************************************************/ |
| |
| #include "qanyuri_p.h" |
| #include "qbuiltintypes_p.h" |
| #include "qcommonsequencetypes_p.h" |
| #include "qpatternistlocale_p.h" |
| #include "private/qxmlutils_p.h" |
| |
| #include "qcomputednamespaceconstructor_p.h" |
| |
| QT_BEGIN_NAMESPACE |
| |
| using namespace QPatternist; |
| |
| ComputedNamespaceConstructor::ComputedNamespaceConstructor(const Expression::Ptr &prefix, |
| const Expression::Ptr &namespaceURI) : PairContainer(prefix, namespaceURI) |
| { |
| } |
| |
| void ComputedNamespaceConstructor::evaluateToSequenceReceiver(const DynamicContext::Ptr &context) const |
| { |
| const Item prefixItem(m_operand1->evaluateSingleton(context)); |
| const QString prefix(prefixItem ? prefixItem.stringValue() : QString()); |
| |
| const Item namespaceItem(m_operand2->evaluateSingleton(context)); |
| const QString namespaceURI(namespaceItem ? namespaceItem.stringValue() : QString()); |
| |
| if(namespaceURI.isEmpty()) |
| { |
| context->error(QtXmlPatterns::tr("In a namespace constructor, the value for a namespace cannot be an empty string."), |
| ReportContext::XTDE0930, |
| this); |
| } |
| |
| /* One optimization could be to store a pointer to |
| * the name pool as a member in order to avoid the virtual call(s). */ |
| const NamePool::Ptr np(context->namePool()); |
| |
| if(!prefix.isEmpty() && !QXmlUtils::isNCName(prefix)) |
| { |
| context->error(QtXmlPatterns::tr("The prefix must be a valid %1, which %2 is not.") |
| .arg(formatType(np, BuiltinTypes::xsNCName), |
| formatKeyword(prefix)), |
| ReportContext::XTDE0920, |
| this); |
| } |
| const QXmlName binding(np->allocateBinding(prefix, namespaceURI)); |
| |
| AnyURI::toQUrl<ReportContext::XTDE0905, DynamicContext::Ptr>(namespaceURI, |
| context, |
| this); |
| |
| if(binding.prefix() == StandardPrefixes::xmlns) |
| { |
| context->error(QtXmlPatterns::tr("The prefix %1 cannot be bound.") |
| .arg(formatKeyword(prefix)), |
| ReportContext::XTDE0920, |
| this); |
| } |
| |
| if((binding.prefix() == StandardPrefixes::xml && binding.namespaceURI() != StandardNamespaces::xml) |
| || |
| (binding.prefix() != StandardPrefixes::xml && binding.namespaceURI() == StandardNamespaces::xml)) |
| { |
| context->error(QtXmlPatterns::tr("Only the prefix %1 can be bound to %2 and vice versa.") |
| .arg(formatKeyword(prefix), formatKeyword(namespaceURI)), |
| ReportContext::XTDE0925, |
| this); |
| } |
| |
| context->outputReceiver()->namespaceBinding(binding); |
| } |
| |
| SequenceType::Ptr ComputedNamespaceConstructor::staticType() const |
| { |
| return CommonSequenceTypes::ExactlyOneAttribute; |
| } |
| |
| SequenceType::List ComputedNamespaceConstructor::expectedOperandTypes() const |
| { |
| SequenceType::List result; |
| result.append(CommonSequenceTypes::ZeroOrOneString); |
| result.append(CommonSequenceTypes::ZeroOrOneString); |
| return result; |
| } |
| |
| Expression::Properties ComputedNamespaceConstructor::properties() const |
| { |
| return DisableElimination | IsNodeConstructor; |
| } |
| |
| ExpressionVisitorResult::Ptr ComputedNamespaceConstructor::accept(const ExpressionVisitor::Ptr &visitor) const |
| { |
| return visitor->visit(this); |
| } |
| |
| QT_END_NAMESPACE |