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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include "macabcondition.hxx"
#include "MacabHeader.hxx"
#include "MacabRecord.hxx"
#include <connectivity/CommonTools.hxx>
using namespace ::connectivity::macab;
using namespace ::com::sun::star::sdbc;
MacabCondition::~MacabCondition()
{
}
MacabConditionConstant::MacabConditionConstant(const bool bValue)
: MacabCondition(),
m_bValue(bValue)
{
}
bool MacabConditionConstant::isAlwaysTrue() const
{
return m_bValue;
}
bool MacabConditionConstant::isAlwaysFalse() const
{
return !m_bValue;
}
bool MacabConditionConstant::eval(const MacabRecord *) const
{
return m_bValue;
}
MacabConditionColumn::MacabConditionColumn(
const MacabHeader *header, std::u16string_view sColumnName)
: MacabCondition(),
m_nFieldNumber(header->getColumnNumber(sColumnName))
{
}
bool MacabConditionColumn::isAlwaysTrue() const
{
// Sometimes true, sometimes false
return false;
}
bool MacabConditionColumn::isAlwaysFalse() const
{
// Sometimes true, sometimes false
return false;
}
MacabConditionNull::MacabConditionNull(const MacabHeader *header, std::u16string_view sColumnName)
: MacabConditionColumn(header, sColumnName)
{
}
bool MacabConditionNull::eval(const MacabRecord *aRecord) const
{
macabfield *aValue = aRecord->get(m_nFieldNumber);
if(aValue == nullptr)
return true;
else if(aValue->value == nullptr)
return true;
else
return false;
}
MacabConditionNotNull::MacabConditionNotNull(
const MacabHeader *header, std::u16string_view sColumnName)
: MacabConditionColumn(header, sColumnName)
{
}
bool MacabConditionNotNull::eval(const MacabRecord *aRecord) const
{
macabfield *aValue = aRecord->get(m_nFieldNumber);
if(aValue == nullptr)
return false;
else if(aValue->value == nullptr)
return false;
else
return true;
}
MacabConditionCompare::MacabConditionCompare(const MacabHeader *header, std::u16string_view sColumnName, const OUString &sMatchString)
: MacabConditionColumn(header, sColumnName),
m_sMatchString(sMatchString)
{
}
MacabConditionEqual::MacabConditionEqual(const MacabHeader *header, std::u16string_view sColumnName, const OUString &sMatchString)
: MacabConditionCompare(header, sColumnName, sMatchString)
{
}
bool MacabConditionEqual::eval(const MacabRecord *aRecord) const
{
macabfield *aValue = aRecord->get(m_nFieldNumber);
if(aValue == nullptr)
return false;
macabfield *aValue2 = MacabRecord::createMacabField(m_sMatchString,aValue->type);
if(aValue2 == nullptr)
return false;
sal_Int32 nReturn = MacabRecord::compareFields(aValue, aValue2);
delete aValue2;
return nReturn == 0;
}
MacabConditionDifferent::MacabConditionDifferent(const MacabHeader *header, std::u16string_view sColumnName, const OUString &sMatchString)
: MacabConditionCompare(header, sColumnName, sMatchString)
{
}
bool MacabConditionDifferent::eval(const MacabRecord *aRecord) const
{
macabfield *aValue = aRecord->get(m_nFieldNumber);
if(aValue == nullptr)
return false;
macabfield *aValue2 = MacabRecord::createMacabField(m_sMatchString,aValue->type);
if(aValue2 == nullptr)
return false;
sal_Int32 nReturn = MacabRecord::compareFields(aValue, aValue2);
delete aValue2;
return nReturn != 0;
}
MacabConditionSimilar::MacabConditionSimilar(const MacabHeader *header, std::u16string_view sColumnName, const OUString &sMatchString)
: MacabConditionCompare(header, sColumnName, sMatchString)
{
}
bool MacabConditionSimilar::eval(const MacabRecord *aRecord) const
{
macabfield *aValue = aRecord->get(m_nFieldNumber);
if(aValue == nullptr)
return false;
OUString sName = MacabRecord::fieldToString(aValue);
return match(m_sMatchString, sName, '\0');
}
MacabConditionBoolean::MacabConditionBoolean(MacabCondition *pLeft, MacabCondition *pRight)
: MacabCondition(),
m_pLeft(pLeft),
m_pRight(pRight)
{
}
MacabConditionBoolean::~MacabConditionBoolean()
{
delete m_pLeft;
delete m_pRight;
}
MacabConditionOr::MacabConditionOr(MacabCondition *pLeft, MacabCondition *pRight)
: MacabConditionBoolean(pLeft, pRight)
{
}
bool MacabConditionOr::isAlwaysTrue() const
{
return m_pLeft->isAlwaysTrue() || m_pRight->isAlwaysTrue();
}
bool MacabConditionOr::isAlwaysFalse() const
{
return m_pLeft->isAlwaysFalse() && m_pRight->isAlwaysFalse();
}
bool MacabConditionOr::eval(const MacabRecord *aRecord) const
{
// We avoid evaluating terms as much as we can
if (m_pLeft->isAlwaysTrue() || m_pRight->isAlwaysTrue()) return true;
if (m_pLeft->isAlwaysFalse() && m_pRight->isAlwaysFalse()) return false;
if (m_pLeft->eval(aRecord)) return true;
if (m_pRight->eval(aRecord)) return true;
return false;
}
MacabConditionAnd::MacabConditionAnd(MacabCondition *pLeft, MacabCondition *pRight)
: MacabConditionBoolean(pLeft, pRight)
{
}
bool MacabConditionAnd::isAlwaysTrue() const
{
return m_pLeft->isAlwaysTrue() && m_pRight->isAlwaysTrue();
}
bool MacabConditionAnd::isAlwaysFalse() const
{
return m_pLeft->isAlwaysFalse() || m_pRight->isAlwaysFalse();
}
bool MacabConditionAnd::eval(const MacabRecord *aRecord) const
{
// We avoid evaluating terms as much as we can
if (m_pLeft->isAlwaysFalse() || m_pRight->isAlwaysFalse()) return false;
if (m_pLeft->isAlwaysTrue() && m_pRight->isAlwaysTrue()) return true;
if (!m_pLeft->eval(aRecord)) return false;
if (!m_pRight->eval(aRecord)) return false;
return true;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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