| /**************************************************************************** |
| ** |
| ** 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 |
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| ** 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 |
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| ** packaging of this file. Please review the following information to |
| ** ensure the GNU Lesser General Public License version 3 requirements |
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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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| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #include "qanyuri_p.h" |
| #include "qbuiltintypes_p.h" |
| #include "qcommonvalues_p.h" |
| #include "qpatternistlocale_p.h" |
| #include "qnodenamespaceresolver_p.h" |
| #include "qqnameconstructor_p.h" |
| #include "qqnamevalue_p.h" |
| #include "qatomicstring_p.h" |
| #include "qxpathhelper_p.h" |
| |
| #include "qqnamefns_p.h" |
| |
| QT_BEGIN_NAMESPACE |
| |
| using namespace QPatternist; |
| |
| Item QNameFN::evaluateSingleton(const DynamicContext::Ptr &context) const |
| { |
| const Item paramURI(m_operands.first()->evaluateSingleton(context)); |
| const QString paramQName(m_operands.last()->evaluateSingleton(context).stringValue()); |
| |
| QString ns; |
| if(paramURI) |
| ns = paramURI.stringValue(); |
| |
| if(!XPathHelper::isQName(paramQName)) |
| { |
| context->error(QtXmlPatterns::tr("%1 is an invalid %2").arg(formatData(paramQName), |
| formatType(context->namePool(), BuiltinTypes::xsQName)), |
| ReportContext::FOCA0002, this); |
| return Item(); |
| } |
| |
| QString prefix; |
| QString lname; |
| XPathHelper::splitQName(paramQName, prefix, lname); |
| const QXmlName n(context->namePool()->allocateQName(ns, lname, prefix)); |
| |
| if(ns.isEmpty()) |
| { |
| if(prefix.isEmpty()) |
| return toItem(QNameValue::fromValue(context->namePool(), n)); |
| else |
| { |
| context->error(QtXmlPatterns::tr( |
| "If the first argument is the empty sequence or " |
| "a zero-length string (no namespace), a prefix " |
| "cannot be specified. Prefix %1 was specified.") |
| .arg(formatKeyword(prefix)), |
| ReportContext::FOCA0002, this); |
| return Item(); /* Silence compiler warning. */ |
| } |
| } |
| else |
| return toItem(QNameValue::fromValue(context->namePool(), n)); |
| } |
| |
| Item ResolveQNameFN::evaluateSingleton(const DynamicContext::Ptr &context) const |
| { |
| const Item itemName(m_operands.first()->evaluateSingleton(context)); |
| |
| if(!itemName) |
| return Item(); |
| |
| const NamespaceResolver::Ptr resolver(new NodeNamespaceResolver(m_operands.last()->evaluateSingleton(context))); |
| const QString strName(itemName.stringValue()); |
| const QXmlName name = QNameConstructor::expandQName<DynamicContext::Ptr, |
| ReportContext::FOCA0002, |
| ReportContext::FONS0004>(strName, |
| context, |
| resolver, |
| this); |
| |
| return toItem(QNameValue::fromValue(context->namePool(), name)); |
| } |
| |
| Item PrefixFromQNameFN::evaluateSingleton(const DynamicContext::Ptr &context) const |
| { |
| const QNameValue::Ptr arg(m_operands.first()->evaluateSingleton(context).as<QNameValue>()); |
| if(!arg) |
| return Item(); |
| |
| const QString prefix(context->namePool()->stringForPrefix(arg->qName().prefix())); |
| |
| if(prefix.isEmpty()) |
| return Item(); |
| else |
| return AtomicString::fromValue(context->namePool()->stringForPrefix(arg->qName().prefix())); |
| } |
| |
| Item LocalNameFromQNameFN::evaluateSingleton(const DynamicContext::Ptr &context) const |
| { |
| const QNameValue::Ptr arg(m_operands.first()->evaluateSingleton(context).as<QNameValue>()); |
| return arg ? toItem(AtomicString::fromValue(context->namePool()->stringForLocalName(arg->qName().localName()))) : Item(); |
| } |
| |
| Item NamespaceURIFromQNameFN::evaluateSingleton(const DynamicContext::Ptr &context) const |
| { |
| const QNameValue::Ptr arg(m_operands.first()->evaluateSingleton(context).as<QNameValue>()); |
| return arg ? toItem(AnyURI::fromValue(context->namePool()->stringForNamespace(arg->qName().namespaceURI()))) : Item(); |
| } |
| |
| Item NamespaceURIForPrefixFN::evaluateSingleton(const DynamicContext::Ptr &context) const |
| { |
| const Item prefixItem(m_operands.first()->evaluateSingleton(context)); |
| QXmlName::PrefixCode prefix; |
| |
| if(prefixItem) |
| prefix = context->namePool()->allocatePrefix(prefixItem.stringValue()); |
| else |
| prefix = StandardPrefixes::empty; |
| |
| const Item eleItem(m_operands.last()->evaluateSingleton(context)); |
| Q_ASSERT(eleItem); |
| |
| const QXmlName::NamespaceCode ns = eleItem.asNode().namespaceForPrefix(prefix); |
| |
| if(ns == NamespaceResolver::NoBinding) |
| { |
| /* This is a bit tricky. The default namespace is not considered an in-scope binding |
| * on a node, but the specification for this function do consider it a binding and therefore |
| * the empty string. */ |
| if(prefix == StandardPrefixes::empty) |
| return CommonValues::EmptyString; |
| else |
| return Item(); |
| } |
| else |
| return toItem(AnyURI::fromValue(context->namePool()->stringForNamespace(ns))); |
| } |
| |
| Item::Iterator::Ptr InScopePrefixesFN::evaluateSequence(const DynamicContext::Ptr &context) const |
| { |
| const Item e(m_operands.first()->evaluateSingleton(context)); |
| |
| const QVector<QXmlName> nbs(e.asNode().namespaceBindings()); |
| const int len = nbs.size(); |
| const NamePool::Ptr np(context->namePool()); |
| |
| QList<Item> result; |
| |
| for(int i = 0; i < len; ++i) |
| result.append(AtomicString::fromValue(np->stringForPrefix(nbs.at(i).prefix()))); |
| |
| return makeListIterator(result); |
| } |
| |
| QT_END_NAMESPACE |