src/xmlpatterns/functions/qresolveurifn.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/xmlpatterns/functions/qresolveurifn.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,87 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 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 <QUrl>
+
+#include "qanyuri_p.h"
+#include "qliteral_p.h"
+#include "qpatternistlocale_p.h"
+#include "qatomicstring_p.h"
+
+#include "qresolveurifn_p.h"
+
+QT_BEGIN_NAMESPACE
+
+using namespace QPatternist;
+
+Item ResolveURIFN::evaluateSingleton(const DynamicContext::Ptr &context) const
+{
+    const Item relItem(m_operands.first()->evaluateSingleton(context));
+
+    if(relItem)
+    {
+        const QString base(m_operands.last()->evaluateSingleton(context).stringValue());
+        const QString relative(relItem.stringValue());
+
+        const QUrl baseURI(AnyURI::toQUrl<ReportContext::FORG0002, DynamicContext::Ptr>(base, context, this));
+        const QUrl relativeURI(AnyURI::toQUrl<ReportContext::FORG0002, DynamicContext::Ptr>(relative, context, this));
+
+        return toItem(AnyURI::fromValue(baseURI.resolved(relativeURI)));
+    }
+    else
+        return Item();
+}
+
+Expression::Ptr ResolveURIFN::typeCheck(const StaticContext::Ptr &context,
+                                        const SequenceType::Ptr &reqType)
+{
+    Q_ASSERT(m_operands.count() == 1 || m_operands.count() == 2);
+
+    if(m_operands.count() == 1)
+    {
+        /* Our base URI is always well-defined. */
+        m_operands.append(wrapLiteral(toItem(AnyURI::fromValue(context->baseURI())), context, this));
+    }
+
+    return FunctionCall::typeCheck(context, reqType);
+}
+
+QT_END_NAMESPACE