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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** 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 either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qcommonnamespaces_p.h"
#include "qcommonsequencetypes_p.h"
#include "qfunctionfactory_p.h"
#include "qgeneralcomparison_p.h"
#include "qliteral_p.h"
#include "qschemanumeric_p.h"
#include "qvaluecomparison_p.h"
#include "qoptimizerblocks_p.h"
QT_BEGIN_NAMESPACE
using namespace QPatternist;
ByIDIdentifier::ByIDIdentifier(const Expression::ID id) : m_id(id)
{
}
bool ByIDIdentifier::matches(const Expression::Ptr &expr) const
{
return expr->is(m_id);
}
ComparisonIdentifier::ComparisonIdentifier(const QVector<Expression::ID> hosts,
const AtomicComparator::Operator op) : m_hosts(hosts),
m_op(op)
{
}
bool ComparisonIdentifier::matches(const Expression::Ptr &e) const
{
const Expression::ID eID = e->id();
if(eID == Expression::IDGeneralComparison)
{
if(m_hosts.contains(Expression::IDGeneralComparison))
return e->as<GeneralComparison>()->operatorID() == m_op;
else
return false;
}
else if(eID == Expression::IDValueComparison)
{
if(m_hosts.contains(Expression::IDValueComparison))
return e->as<ValueComparison>()->operatorID() == m_op;
else
return false;
}
else
return false;
}
BySequenceTypeIdentifier::BySequenceTypeIdentifier(const SequenceType::Ptr &seqType) : m_seqType(seqType)
{
Q_ASSERT(seqType);
}
bool BySequenceTypeIdentifier::matches(const Expression::Ptr &expr) const
{
const SequenceType::Ptr t(expr->staticType());
return m_seqType->itemType()->xdtTypeMatches(t->itemType())
&&
m_seqType->cardinality().isMatch(t->cardinality());
}
IntegerIdentifier::IntegerIdentifier(const xsInteger num) : m_num(num)
{
}
bool IntegerIdentifier::matches(const Expression::Ptr &expr) const
{
return expr->is(Expression::IDIntegerValue) &&
expr->as<Literal>()->item().as<Numeric>()->toInteger() == m_num;
}
BooleanIdentifier::BooleanIdentifier(const bool value) : m_value(value)
{
}
bool BooleanIdentifier::matches(const Expression::Ptr &expr) const
{
return expr->is(Expression::IDBooleanValue) &&
expr->evaluateEBV(DynamicContext::Ptr()) == m_value;
}
ByIDCreator::ByIDCreator(const Expression::ID id) : m_id(id)
{
Q_ASSERT(id != Expression::IDIgnorableExpression);
}
Expression::Ptr ByIDCreator::create(const Expression::List &operands,
const StaticContext::Ptr &context,
const SourceLocationReflection *const r) const
{
return create(m_id, operands, context, r);
}
Expression::Ptr ByIDCreator::create(const Expression::ID id,
const Expression::List &operands,
const StaticContext::Ptr &context,
const SourceLocationReflection *const r)
{
Q_ASSERT(context);
QXmlName::LocalNameCode fnName;
switch(id)
{
case Expression::IDExistsFN:
{
fnName = StandardLocalNames::exists;
break;
}
case Expression::IDEmptyFN:
{
fnName = StandardLocalNames::empty;
break;
}
default:
{
Q_ASSERT_X(false, Q_FUNC_INFO,
"Cannot create an expression of requested type; m_id is wrong.");
return Expression::Ptr();
}
}
/* The reason we don't simply do 'new ExistsFN()' ourselves, is that all FunctionCall
* instances needs their FunctionSignature in order to function, and the FunctionFactories
* sets that. */
const QXmlName qName(StandardNamespaces::fn, fnName);
const Expression::Ptr result(context->functionSignatures()->createFunctionCall(qName, operands, context, r));
context->wrapExpressionWith(r, result);
return result;
}
QT_END_NAMESPACE
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