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Diffstat (limited to '')
| -rw-r--r-- | connectivity/source/drivers/macab/macabcondition.cxx | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/connectivity/source/drivers/macab/macabcondition.cxx b/connectivity/source/drivers/macab/macabcondition.cxx new file mode 100644 index 000000000..0d1d20227 --- /dev/null +++ b/connectivity/source/drivers/macab/macabcondition.cxx @@ -0,0 +1,242 @@ +/* -*- 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, const OUString &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, const OUString &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, const OUString &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, const OUString &sColumnName, const OUString &sMatchString) + : MacabConditionColumn(header, sColumnName), + m_sMatchString(sMatchString) +{ +} + +MacabConditionEqual::MacabConditionEqual(const MacabHeader *header, const OUString &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, const OUString &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, const OUString &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: */ |