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/****************************************************************************
**
** Copyright (C) 2010 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 "qatomictype_p.h"
#include "qbuiltintypes_p.h"
#include "qcommonvalues_p.h"
#include "qdynamiccontext_p.h"
#include "qpatternistlocale_p.h"
#include "qvalidationerror_p.h"
#include "qboolean_p.h"
QT_BEGIN_NAMESPACE
using namespace QPatternist;
bool Boolean::evaluateEBV(const Item::Iterator::Ptr &it,
const QExplicitlySharedDataPointer<DynamicContext> &context)
{
return evaluateEBV(it->next(), it, context);
}
bool Boolean::evaluateEBV(const Item &first,
const Item::Iterator::Ptr &it,
const QExplicitlySharedDataPointer<DynamicContext> &context)
{
Q_ASSERT(it);
Q_ASSERT(context);
if(!first)
return false;
else if(first.isNode())
return true;
const Item second(it->next());
if(second)
{
Q_ASSERT(context);
context->error(QtXmlPatterns::tr("Effective Boolean Value cannot be calculated for a sequence "
"containing two or more atomic values."),
ReportContext::FORG0006,
QSourceLocation());
return false;
}
else
return first.as<AtomicValue>()->evaluateEBV(context);
}
bool Boolean::evaluateEBV(const Item &item,
const QExplicitlySharedDataPointer<DynamicContext> &context)
{
if(!item)
return false;
else if(item.isNode())
return true;
else
return item.as<AtomicValue>()->evaluateEBV(context);
}
Boolean::Boolean(const bool value) : m_value(value)
{
}
QString Boolean::stringValue() const
{
return m_value
? CommonValues::TrueString->stringValue()
: CommonValues::FalseString->stringValue();
}
bool Boolean::evaluateEBV(const QExplicitlySharedDataPointer<DynamicContext> &) const
{
return m_value;
}
Boolean::Ptr Boolean::fromValue(const bool value)
{
return value ? CommonValues::BooleanTrue : CommonValues::BooleanFalse;
}
AtomicValue::Ptr Boolean::fromLexical(const QString &lexical)
{
const QString val(lexical.trimmed()); /* Apply the whitespace facet. */
if(val == QLatin1String("true") || val == QChar(QLatin1Char('1')))
return CommonValues::BooleanTrue;
else if(val == QLatin1String("false") || val == QChar(QLatin1Char('0')))
return CommonValues::BooleanFalse;
else
return ValidationError::createError();
}
ItemType::Ptr Boolean::type() const
{
return BuiltinTypes::xsBoolean;
}
QT_END_NAMESPACE
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