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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#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 sal_Bool bValue)
: MacabCondition(),
m_bValue(bValue)
{
}
// -----------------------------------------------------------------------------
sal_Bool MacabConditionConstant::isAlwaysTrue() const
{
return m_bValue;
}
// -----------------------------------------------------------------------------
sal_Bool MacabConditionConstant::isAlwaysFalse() const
{
return !m_bValue;
}
// -----------------------------------------------------------------------------
sal_Bool MacabConditionConstant::eval(const MacabRecord *) const
{
return m_bValue;
}
// -----------------------------------------------------------------------------
MacabConditionColumn::MacabConditionColumn(const MacabHeader *header, const ::rtl::OUString &sColumnName) throw(SQLException)
: MacabCondition(),
m_nFieldNumber(header->getColumnNumber(sColumnName))
{
}
// -----------------------------------------------------------------------------
sal_Bool MacabConditionColumn::isAlwaysTrue() const
{
// Sometimes true, sometimes false
return sal_False;
}
// -----------------------------------------------------------------------------
sal_Bool MacabConditionColumn::isAlwaysFalse() const
{
// Sometimes true, sometimes false
return sal_False;
}
// -----------------------------------------------------------------------------
MacabConditionNull::MacabConditionNull(const MacabHeader *header, const ::rtl::OUString &sColumnName) throw(SQLException)
: MacabConditionColumn(header, sColumnName)
{
}
// -----------------------------------------------------------------------------
sal_Bool MacabConditionNull::eval(const MacabRecord *aRecord) const
{
macabfield *aValue = aRecord->get(m_nFieldNumber);
if(aValue == NULL)
return sal_True;
else if(aValue->value == NULL)
return sal_True;
else
return sal_False;
}
// -----------------------------------------------------------------------------
MacabConditionNotNull::MacabConditionNotNull(const MacabHeader *header, const ::rtl::OUString &sColumnName) throw(SQLException)
: MacabConditionColumn(header, sColumnName)
{
}
// -----------------------------------------------------------------------------
sal_Bool MacabConditionNotNull::eval(const MacabRecord *aRecord) const
{
macabfield *aValue = aRecord->get(m_nFieldNumber);
if(aValue == NULL)
return sal_False;
else if(aValue->value == NULL)
return sal_False;
else
return sal_True;
}
// -----------------------------------------------------------------------------
MacabConditionCompare::MacabConditionCompare(const MacabHeader *header, const ::rtl::OUString &sColumnName, const ::rtl::OUString &sMatchString) throw(SQLException)
: MacabConditionColumn(header, sColumnName),
m_sMatchString(sMatchString)
{
}
// -----------------------------------------------------------------------------
MacabConditionEqual::MacabConditionEqual(const MacabHeader *header, const ::rtl::OUString &sColumnName, const ::rtl::OUString &sMatchString) throw(SQLException)
: MacabConditionCompare(header, sColumnName, sMatchString)
{
}
// -----------------------------------------------------------------------------
sal_Bool MacabConditionEqual::eval(const MacabRecord *aRecord) const
{
macabfield *aValue = aRecord->get(m_nFieldNumber);
if(aValue == NULL)
return sal_False;
macabfield *aValue2 = MacabRecord::createMacabField(m_sMatchString,aValue->type);
if(aValue2 == NULL)
return sal_False;
sal_Int32 nReturn = MacabRecord::compareFields(aValue, aValue2);
delete aValue2;
return nReturn == 0;
}
// -----------------------------------------------------------------------------
MacabConditionDifferent::MacabConditionDifferent(const MacabHeader *header, const ::rtl::OUString &sColumnName, const ::rtl::OUString &sMatchString) throw(SQLException)
: MacabConditionCompare(header, sColumnName, sMatchString)
{
}
// -----------------------------------------------------------------------------
sal_Bool MacabConditionDifferent::eval(const MacabRecord *aRecord) const
{
macabfield *aValue = aRecord->get(m_nFieldNumber);
if(aValue == NULL)
return sal_False;
macabfield *aValue2 = MacabRecord::createMacabField(m_sMatchString,aValue->type);
if(aValue2 == NULL)
return sal_False;
sal_Int32 nReturn = MacabRecord::compareFields(aValue, aValue2);
delete aValue2;
return nReturn != 0;
}
// -----------------------------------------------------------------------------
MacabConditionSimilar::MacabConditionSimilar(const MacabHeader *header, const ::rtl::OUString &sColumnName, const ::rtl::OUString &sMatchString) throw(SQLException)
: MacabConditionCompare(header, sColumnName, sMatchString)
{
}
// -----------------------------------------------------------------------------
sal_Bool MacabConditionSimilar::eval(const MacabRecord *aRecord) const
{
macabfield *aValue = aRecord->get(m_nFieldNumber);
if(aValue == NULL)
return sal_False;
::rtl::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)
{
}
// -----------------------------------------------------------------------------
sal_Bool MacabConditionOr::isAlwaysTrue() const
{
return m_pLeft->isAlwaysTrue() || m_pRight->isAlwaysTrue();
}
// -----------------------------------------------------------------------------
sal_Bool MacabConditionOr::isAlwaysFalse() const
{
return m_pLeft->isAlwaysFalse() && m_pRight->isAlwaysFalse();
}
// -----------------------------------------------------------------------------
sal_Bool MacabConditionOr::eval(const MacabRecord *aRecord) const
{
// We avoid evaluating terms as much as we can
if (m_pLeft->isAlwaysTrue() || m_pRight->isAlwaysTrue()) return sal_True;
if (m_pLeft->isAlwaysFalse() && m_pRight->isAlwaysFalse()) return sal_False;
if (m_pLeft->eval(aRecord)) return sal_True;
if (m_pRight->eval(aRecord)) return sal_True;
return sal_False;
}
// -----------------------------------------------------------------------------
MacabConditionAnd::MacabConditionAnd(MacabCondition *pLeft, MacabCondition *pRight)
: MacabConditionBoolean(pLeft, pRight)
{
}
// -----------------------------------------------------------------------------
sal_Bool MacabConditionAnd::isAlwaysTrue() const
{
return m_pLeft->isAlwaysTrue() && m_pRight->isAlwaysTrue();
}
// -----------------------------------------------------------------------------
sal_Bool MacabConditionAnd::isAlwaysFalse() const
{
return m_pLeft->isAlwaysFalse() || m_pRight->isAlwaysFalse();
}
// -----------------------------------------------------------------------------
sal_Bool MacabConditionAnd::eval(const MacabRecord *aRecord) const
{
// We avoid evaluating terms as much as we can
if (m_pLeft->isAlwaysFalse() || m_pRight->isAlwaysFalse()) return sal_False;
if (m_pLeft->isAlwaysTrue() && m_pRight->isAlwaysTrue()) return sal_True;
if (!m_pLeft->eval(aRecord)) return sal_False;
if (!m_pRight->eval(aRecord)) return sal_False;
return sal_True;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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