1 files changed, 159 insertions, 0 deletions
diff --git a/src/xmlpatterns/functions/qaccessorfns.cpp b/src/xmlpatterns/functions/qaccessorfns.cpp
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+++ b/src/xmlpatterns/functions/qaccessorfns.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2011 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qanyuri_p.h"
+#include "qboolean_p.h"
+#include "qbuiltintypes_p.h"
+#include "qcommonvalues_p.h"
+#include "qliteral_p.h"
+#include "qitem_p.h"
+#include "qqnamevalue_p.h"
+#include "qatomicstring_p.h"
+
+#include "qaccessorfns_p.h"
+
+QT_BEGIN_NAMESPACE
+
+using namespace QPatternist;
+
+Item NodeNameFN::evaluateSingleton(const DynamicContext::Ptr &context) const
+{
+    const Item item(m_operands.first()->evaluateSingleton(context));
+
+    if(item)
+    {
+        const QXmlName name(item.asNode().name());
+
+        if(name.isNull())
+            return Item();
+        else
+            return toItem(QNameValue::fromValue(context->namePool(), name));
+    }
+    else
+        return Item();
+}
+
+Item NilledFN::evaluateSingleton(const DynamicContext::Ptr &context) const
+{
+    const Item item(m_operands.first()->evaluateSingleton(context));
+
+    if(item && item.asNode().kind() == QXmlNodeModelIndex::Element)
+    {
+        /* We have no access to the PSVI -- always return false. */
+        return CommonValues::BooleanFalse;
+    }
+    else
+        return Item();
+}
+
+Item StringFN::evaluateSingleton(const DynamicContext::Ptr &context) const
+{
+    const Item item(m_operands.first()->evaluateSingleton(context));
+
+    if(item)
+        return AtomicString::fromValue(item.stringValue());
+    else
+        return CommonValues::EmptyString;
+}
+
+Expression::Ptr StringFN::typeCheck(const StaticContext::Ptr &context,
+                                    const SequenceType::Ptr &reqType)
+{
+    const Expression::Ptr me(FunctionCall::typeCheck(context, reqType));
+    if(me != this)
+        return me;
+
+    if(BuiltinTypes::xsString->xdtTypeMatches(m_operands.first()->staticType()->itemType()))
+        return m_operands.first(); /* No need for string(), it's already a string. */
+    else
+        return me;
+}
+
+Item BaseURIFN::evaluateSingleton(const DynamicContext::Ptr &context) const
+{
+    const Item node(m_operands.first()->evaluateSingleton(context));
+
+    if(node)
+    {
+        const QUrl base(node.asNode().baseUri());
+
+        if(base.isEmpty())
+            return Item();
+        else if(base.isValid())
+        {
+            Q_ASSERT_X(!base.isRelative(), Q_FUNC_INFO,
+                       "The base URI must be absolute.");
+            return toItem(AnyURI::fromValue(base));
+        }
+        else
+            return Item();
+    }
+    else
+        return Item();
+}
+
+Item DocumentURIFN::evaluateSingleton(const DynamicContext::Ptr &context) const
+{
+    const Item node(m_operands.first()->evaluateSingleton(context));
+
+    if(node)
+    {
+        const QUrl documentURI(node.asNode().documentUri());
+
+        if(documentURI.isValid())
+        {
+            if(documentURI.isEmpty())
+                return Item();
+            else
+            {
+                Q_ASSERT_X(!documentURI.isRelative(), Q_FUNC_INFO,
+                           "The document URI must be absolute.");
+                return toItem(AnyURI::fromValue(documentURI));
+            }
+        }
+        else
+            return Item();
+    }
+    else
+        return Item();
+}
+
+QT_END_NAMESPACE