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 * 
 * 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
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_connectivity.hxx"

#include "kcondition.hxx"
#include "kfields.hxx"
#include "connectivity/CommonTools.hxx"

using namespace ::connectivity::kab;
using namespace ::com::sun::star::sdbc;
// -----------------------------------------------------------------------------
KabCondition::~KabCondition()
{
}
// -----------------------------------------------------------------------------
KabConditionConstant::KabConditionConstant(const sal_Bool bValue)
    : KabCondition(),
      m_bValue(bValue)
{
}
// -----------------------------------------------------------------------------
sal_Bool KabConditionConstant::isAlwaysTrue() const
{
	return m_bValue;
}
// -----------------------------------------------------------------------------
sal_Bool KabConditionConstant::isAlwaysFalse() const
{
	return !m_bValue;
}
// -----------------------------------------------------------------------------
sal_Bool KabConditionConstant::eval(const ::KABC::Addressee &) const
{
	return m_bValue;
}
// -----------------------------------------------------------------------------
KabConditionColumn::KabConditionColumn(const ::rtl::OUString &sColumnName) throw(SQLException)
	: KabCondition(),
	  m_nFieldNumber(findKabField(sColumnName))
{
}
// -----------------------------------------------------------------------------
sal_Bool KabConditionColumn::isAlwaysTrue() const
{
	// Sometimes true, sometimes false
	return sal_False;
}
// -----------------------------------------------------------------------------
sal_Bool KabConditionColumn::isAlwaysFalse() const
{
	// Sometimes true, sometimes false
	return sal_False;
}
// -----------------------------------------------------------------------------
KabConditionNull::KabConditionNull(const ::rtl::OUString &sColumnName) throw(SQLException)
	: KabConditionColumn(sColumnName)
{
}
// -----------------------------------------------------------------------------
sal_Bool KabConditionNull::eval(const ::KABC::Addressee &aAddressee) const
{
	QString aQtName = valueOfKabField(aAddressee, m_nFieldNumber);

	return aQtName.isNull();
// KDE address book currently does not use NULL values.
// But it might do it someday
}
// -----------------------------------------------------------------------------
KabConditionNotNull::KabConditionNotNull(const ::rtl::OUString &sColumnName) throw(SQLException)
	: KabConditionColumn(sColumnName)
{
}
// -----------------------------------------------------------------------------
sal_Bool KabConditionNotNull::eval(const ::KABC::Addressee &aAddressee) const
{
	QString aQtName = valueOfKabField(aAddressee, m_nFieldNumber);

	return !aQtName.isNull();
// KDE address book currently does not use NULL values.
// But it might do it someday
}
// -----------------------------------------------------------------------------
KabConditionCompare::KabConditionCompare(const ::rtl::OUString &sColumnName, const ::rtl::OUString &sMatchString) throw(SQLException)
    : KabConditionColumn(sColumnName),
      m_sMatchString(sMatchString)
{
}
// -----------------------------------------------------------------------------
KabConditionEqual::KabConditionEqual(const ::rtl::OUString &sColumnName, const ::rtl::OUString &sMatchString) throw(SQLException)
	: KabConditionCompare(sColumnName, sMatchString)
{
}
// -----------------------------------------------------------------------------
sal_Bool KabConditionEqual::eval(const ::KABC::Addressee &aAddressee) const
{
	QString aQtName = valueOfKabField(aAddressee, m_nFieldNumber);
// Timestamps should not be compared according to their string value
// The syntax for such queries should be like
//	{ts '2004-03-29 12:55:00.000000'}
// They should also support operators like '<' or '>='

	if (aQtName.isNull()) return sal_False;

	::rtl::OUString sValue((const sal_Unicode *) aQtName.ucs2());
	return sValue == m_sMatchString;
}
// -----------------------------------------------------------------------------
KabConditionDifferent::KabConditionDifferent(const ::rtl::OUString &sColumnName, const ::rtl::OUString &sMatchString) throw(SQLException)
	: KabConditionCompare(sColumnName, sMatchString)
{
}
// -----------------------------------------------------------------------------
sal_Bool KabConditionDifferent::eval(const ::KABC::Addressee &aAddressee) const
{
	QString aQtName = valueOfKabField(aAddressee, m_nFieldNumber);

	if (aQtName.isNull()) return sal_False;

	::rtl::OUString sValue((const sal_Unicode *) aQtName.ucs2());
	return sValue != m_sMatchString;
}
// -----------------------------------------------------------------------------
KabConditionSimilar::KabConditionSimilar(const ::rtl::OUString &sColumnName, const ::rtl::OUString &sMatchString) throw(SQLException)
	: KabConditionCompare(sColumnName, sMatchString)
{
}
// -----------------------------------------------------------------------------
sal_Bool KabConditionSimilar::eval(const ::KABC::Addressee &aAddressee) const
{
	QString aQtName = valueOfKabField(aAddressee, m_nFieldNumber);

	if (aQtName.isNull()) return sal_False;

	::rtl::OUString sValue((const sal_Unicode *) aQtName.ucs2());
	return match(m_sMatchString, sValue, '\0');
}
// -----------------------------------------------------------------------------
KabConditionBoolean::KabConditionBoolean(KabCondition *pLeft, KabCondition *pRight)
    : KabCondition(),
      m_pLeft(pLeft),
      m_pRight(pRight)
{
}
// -----------------------------------------------------------------------------
KabConditionBoolean::~KabConditionBoolean()
{
	delete m_pLeft;
	delete m_pRight;
}
// -----------------------------------------------------------------------------
KabConditionOr::KabConditionOr(KabCondition *pLeft, KabCondition *pRight)
	: KabConditionBoolean(pLeft, pRight)
{
}
// -----------------------------------------------------------------------------
sal_Bool KabConditionOr::isAlwaysTrue() const
{
	return m_pLeft->isAlwaysTrue() || m_pRight->isAlwaysTrue();
}
// -----------------------------------------------------------------------------
sal_Bool KabConditionOr::isAlwaysFalse() const
{
	return m_pLeft->isAlwaysFalse() && m_pRight->isAlwaysFalse();
}
// -----------------------------------------------------------------------------
sal_Bool KabConditionOr::eval(const ::KABC::Addressee &aAddressee) 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(aAddressee)) return sal_True;
	if (m_pRight->eval(aAddressee)) return sal_True;

	return sal_False;
}
// -----------------------------------------------------------------------------
KabConditionAnd::KabConditionAnd(KabCondition *pLeft, KabCondition *pRight)
	: KabConditionBoolean(pLeft, pRight)
{
}
// -----------------------------------------------------------------------------
sal_Bool KabConditionAnd::isAlwaysTrue() const
{
	return m_pLeft->isAlwaysTrue() && m_pRight->isAlwaysTrue();
}
// -----------------------------------------------------------------------------
sal_Bool KabConditionAnd::isAlwaysFalse() const
{
	return m_pLeft->isAlwaysFalse() || m_pRight->isAlwaysFalse();
}
// -----------------------------------------------------------------------------
sal_Bool KabConditionAnd::eval(const ::KABC::Addressee &aAddressee) 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(aAddressee)) return sal_False;
	if (!m_pRight->eval(aAddressee)) return sal_False;

	return sal_True;
}