src/xmlpatterns/functions/qresolveurifn.cpp
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     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     4 ** All rights reserved.
       
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
     6 **
       
     7 ** This file is part of the QtXmlPatterns module of the Qt Toolkit.
       
     8 **
       
     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
    11 ** This file contains pre-release code and may not be distributed.
       
    12 ** You may use this file in accordance with the terms and conditions
       
    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
    15 **
       
    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
    18 ** General Public License version 2.1 as published by the Free Software
       
    19 ** Foundation and appearing in the file LICENSE.LGPL included in the
       
    20 ** packaging of this file.  Please review the following information to
       
    21 ** ensure the GNU Lesser General Public License version 2.1 requirements
       
    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
       
    23 **
       
    24 ** In addition, as a special exception, Nokia gives you certain additional
       
    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception
       
    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
    27 **
       
    28 ** If you have questions regarding the use of this file, please contact
       
    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
    31 **
       
    32 **
       
    33 **
       
    34 **
       
    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 #include <QUrl>
       
    43 
       
    44 #include "qanyuri_p.h"
       
    45 #include "qliteral_p.h"
       
    46 #include "qpatternistlocale_p.h"
       
    47 #include "qatomicstring_p.h"
       
    48 
       
    49 #include "qresolveurifn_p.h"
       
    50 
       
    51 QT_BEGIN_NAMESPACE
       
    52 
       
    53 using namespace QPatternist;
       
    54 
       
    55 Item ResolveURIFN::evaluateSingleton(const DynamicContext::Ptr &context) const
       
    56 {
       
    57     const Item relItem(m_operands.first()->evaluateSingleton(context));
       
    58 
       
    59     if(relItem)
       
    60     {
       
    61         const QString base(m_operands.last()->evaluateSingleton(context).stringValue());
       
    62         const QString relative(relItem.stringValue());
       
    63 
       
    64         const QUrl baseURI(AnyURI::toQUrl<ReportContext::FORG0002, DynamicContext::Ptr>(base, context, this));
       
    65         const QUrl relativeURI(AnyURI::toQUrl<ReportContext::FORG0002, DynamicContext::Ptr>(relative, context, this));
       
    66 
       
    67         return toItem(AnyURI::fromValue(baseURI.resolved(relativeURI)));
       
    68     }
       
    69     else
       
    70         return Item();
       
    71 }
       
    72 
       
    73 Expression::Ptr ResolveURIFN::typeCheck(const StaticContext::Ptr &context,
       
    74                                         const SequenceType::Ptr &reqType)
       
    75 {
       
    76     Q_ASSERT(m_operands.count() == 1 || m_operands.count() == 2);
       
    77 
       
    78     if(m_operands.count() == 1)
       
    79     {
       
    80         /* Our base URI is always well-defined. */
       
    81         m_operands.append(wrapLiteral(toItem(AnyURI::fromValue(context->baseURI())), context, this));
       
    82     }
       
    83 
       
    84     return FunctionCall::typeCheck(context, reqType);
       
    85 }
       
    86 
       
    87 QT_END_NAMESPACE