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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtXmlPatterns module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qboolean_p.h"
#include "qcommonvalues_p.h"
#include "qliteral_p.h"
#include "qatomicstring_p.h"
#include "qsubstringfns_p.h"
QT_BEGIN_NAMESPACE
using namespace QPatternist;
Item ContainsFN::evaluateSingleton(const DynamicContext::Ptr &context) const
{
const Item op1(m_operands.first()->evaluateSingleton(context));
QString str1;
if(op1)
str1 = op1.stringValue();
const Item op2(m_operands.at(1)->evaluateSingleton(context));
QString str2;
if(op2)
str2 = op2.stringValue();
if(str2.isEmpty())
return CommonValues::BooleanTrue;
if(str1.isEmpty())
return CommonValues::BooleanFalse;
return Boolean::fromValue(str1.contains(str2, caseSensitivity()));
}
Item StartsWithFN::evaluateSingleton(const DynamicContext::Ptr &context) const
{
const Item op1(m_operands.first()->evaluateSingleton(context));
QString str1;
if(op1)
str1 = op1.stringValue();
const Item op2(m_operands.at(1)->evaluateSingleton(context));
QString str2;
if(op2)
str2 = op2.stringValue();
if(str2.isEmpty())
return CommonValues::BooleanTrue;
if(str1.isEmpty())
return CommonValues::BooleanFalse;
return Boolean::fromValue(str1.startsWith(str2, caseSensitivity()));
}
Item EndsWithFN::evaluateSingleton(const DynamicContext::Ptr &context) const
{
const Item op1(m_operands.first()->evaluateSingleton(context));
QString str1;
if(op1)
str1 = op1.stringValue();
const Item op2(m_operands.at(1)->evaluateSingleton(context));
QString str2;
if(op2)
str2 = op2.stringValue();
if(str2.isEmpty())
return CommonValues::BooleanTrue;
if(str1.isEmpty())
return CommonValues::BooleanFalse;
return Boolean::fromValue(str1.endsWith(str2, caseSensitivity()));
}
Item SubstringBeforeFN::evaluateSingleton(const DynamicContext::Ptr &context) const
{
const Item op1(m_operands.first()->evaluateSingleton(context));
QString str1;
if(op1)
str1 = op1.stringValue();
const Item op2(m_operands.at(1)->evaluateSingleton(context));
QString str2;
if(op2)
str2 = op2.stringValue();
const int pos = str1.indexOf(str2);
if(pos == -1)
return CommonValues::EmptyString;
return AtomicString::fromValue(QString(str1.left(pos)));
}
Item SubstringAfterFN::evaluateSingleton(const DynamicContext::Ptr &context) const
{
const Item op1(m_operands.first()->evaluateSingleton(context));
QString str1;
if(op1)
str1 = op1.stringValue();
const Item op2(m_operands.at(1)->evaluateSingleton(context));
QString str2;
if(op2)
str2 = op2.stringValue();
if(str2.isEmpty())
{
if(op1)
return op1;
else
return CommonValues::EmptyString;
}
const int pos = str1.indexOf(str2);
if(pos == -1)
return CommonValues::EmptyString;
return AtomicString::fromValue(QString(str1.right(str1.length() - (pos + str2.length()))));
}
QT_END_NAMESPACE
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