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.

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    28 ** If you have questions regarding the use of this file, please contact

    29 ** Nokia at qt-info@nokia.com.

    30 **

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    36 **

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    38 ** $QT_END_LICENSE$

    39 **

    40 ****************************************************************************/

    41 

    42 #include "qcommonnamespaces_p.h"

    43 

    44 #include "qboolean_p.h"

    45 #include "qcommonvalues_p.h"

    46 #include "qinteger_p.h"

    47 #include "qatomicstring_p.h"

    48 

    49 #include "qcomparestringfns_p.h"

    50 

    51 QT_BEGIN_NAMESPACE

    52 

    53 using namespace QPatternist;

    54 

    55 Item CodepointEqualFN::evaluateSingleton(const DynamicContext::Ptr &context) const

    56 {

    57     const Item op1(m_operands.first()->evaluateSingleton(context));

    58     if(!op1)

    59         return Item();

    60 

    61     const Item op2(m_operands.last()->evaluateSingleton(context));

    62     if(!op2)

    63         return Item();

    64 

    65     if(caseSensitivity() == Qt::CaseSensitive)

    66         return Boolean::fromValue(op1.stringValue() == op2.stringValue());

    67     else

    68     {

    69         const QString s1(op1.stringValue());

    70         const QString s2(op2.stringValue());

    71 

    72         return Boolean::fromValue(s1.length() == s2.length() &&

    73                                   s1.startsWith(s2, Qt::CaseInsensitive));

    74     }

    75 }

    76 

    77 Item CompareFN::evaluateSingleton(const DynamicContext::Ptr &context) const

    78 {

    79     const Item op1(m_operands.first()->evaluateSingleton(context));

    80     if(!op1)

    81         return Item();

    82 

    83     const Item op2(m_operands.at(1)->evaluateSingleton(context));

    84     if(!op2)

    85         return Item();

    86 

    87     const int retval = caseSensitivity() == Qt::CaseSensitive

    88                        ? op1.stringValue().compare(op2.stringValue())

    89                        : op1.stringValue().toLower().compare(op2.stringValue().toLower());

    90 

    91     if(retval > 0)

    92         return CommonValues::IntegerOne;

    93     else if(retval < 0)

    94         return CommonValues::IntegerOneNegative;

    95     else

    96     {

    97         Q_ASSERT(retval == 0);

    98         return CommonValues::IntegerZero;

    99     }

   100 }

   101 

   102 QT_END_NAMESPACE