Long live Qt 4.5!

1 files changed, 189 insertions, 0 deletions

diff --git a/src/xmlpatterns/functions/qqnamefns.cpp b/src/xmlpatterns/functions/qqnamefns.cpp
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+++ b/src/xmlpatterns/functions/qqnamefns.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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