1 files changed, 244 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..41e087b2c
--- /dev/null
+++ b/connectivity/source/drivers/macab/macabcondition.cxx
@@ -0,0 +1,244 @@
+/* -*- 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: */