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office-gobmx/connectivity/source/drivers/file/fcode.cxx
Michael Meeks ddaf53acd4 re-base on ALv2 code.
2012-06-12 22:24:55 +01:00

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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 "file/fcode.hxx"
#include <osl/diagnose.h>
#include "connectivity/sqlparse.hxx"
#include <i18npool/mslangid.hxx>
#include <tools/debug.hxx>
#include <tools/string.hxx>
#include "TConnection.hxx"
#include <com/sun/star/sdb/SQLFilterOperator.hpp>
#include <comphelper/types.hxx>
#include <rtl/logfile.hxx>
using namespace ::comphelper;
using namespace connectivity;
using namespace connectivity::file;
using namespace ::com::sun::star::sdbc;
using namespace ::com::sun::star::sdb;
TYPEINIT0(OCode);
TYPEINIT1(OOperand, OCode);
TYPEINIT1(OOperandRow, OOperand);
TYPEINIT1(OOperandAttr, OOperandRow);
TYPEINIT1(OOperandParam, OOperandRow);
TYPEINIT1(OOperandValue, OOperand);
TYPEINIT1(OOperandConst, OOperandValue);
TYPEINIT1(OOperandResult, OOperandValue);
TYPEINIT1(OStopOperand, OOperandValue);
TYPEINIT1(OOperator, OCode);
TYPEINIT1(OBoolOperator,OOperator);
TYPEINIT1(OOp_NOT, OBoolOperator);
TYPEINIT1(OOp_AND, OBoolOperator);
TYPEINIT1(OOp_OR, OBoolOperator);
TYPEINIT1(OOp_ISNULL, OBoolOperator);
TYPEINIT1(OOp_ISNOTNULL, OOp_ISNULL);
TYPEINIT1(OOp_LIKE, OBoolOperator);
TYPEINIT1(OOp_NOTLIKE, OOp_LIKE);
TYPEINIT1(OOp_COMPARE, OBoolOperator);
TYPEINIT1(ONumOperator, OOperator);
TYPEINIT1(ONthOperator, OOperator);
TYPEINIT1(OBinaryOperator, OOperator);
TYPEINIT1(OUnaryOperator, OOperator);
//------------------------------------------------------------------
DBG_NAME(OCode )
OCode::OCode()
{
DBG_CTOR(OCode ,NULL);
}
// -----------------------------------------------------------------------------
OCode::~OCode()
{
DBG_DTOR(OCode,NULL);
}
//------------------------------------------------------------------
OEvaluateSet* OOperand::preProcess(OBoolOperator* /*pOp*/, OOperand* /*pRight*/)
{
return NULL;
}
// -----------------------------------------------------------------------------
OOperandRow::OOperandRow(sal_uInt16 _nPos, sal_Int32 _rType)
: OOperand(_rType)
, m_nRowPos(_nPos)
{}
//------------------------------------------------------------------
void OOperandRow::bindValue(const OValueRefRow& _pRow)
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OOperandRow::OOperandRow" );
OSL_ENSURE(_pRow.is(),"NO EMPTY row allowed!");
m_pRow = _pRow;
OSL_ENSURE(m_pRow.is() && m_nRowPos < m_pRow->get().size(),"Invalid RowPos is >= vector.size()");
(m_pRow->get())[m_nRowPos]->setBound(sal_True);
}
// -----------------------------------------------------------------------------
void OOperandRow::setValue(const ORowSetValue& _rVal)
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OOperandRow::setValue" );
OSL_ENSURE(m_pRow.is() && m_nRowPos < m_pRow->get().size(),"Invalid RowPos is >= vector.size()");
(*(m_pRow->get())[m_nRowPos]) = _rVal;
}
//------------------------------------------------------------------
const ORowSetValue& OOperandRow::getValue() const
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OOperandRow::getValue" );
OSL_ENSURE(m_pRow.is() && m_nRowPos < m_pRow->get().size(),"Invalid RowPos is >= vector.size()");
return (m_pRow->get())[m_nRowPos]->getValue();
}
// -----------------------------------------------------------------------------
void OOperandValue::setValue(const ORowSetValue& _rVal)
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OOperandValue::setValue" );
m_aValue = _rVal;
}
// -------------------------------------------------------------------------
sal_Bool OOperandAttr::isIndexed() const
{
return sal_False;
}
//------------------------------------------------------------------
OOperandParam::OOperandParam(OSQLParseNode* pNode, sal_Int32 _nPos)
: OOperandRow(static_cast<sal_uInt16>(_nPos), DataType::VARCHAR) // Standard-Type
{
OSL_ENSURE(SQL_ISRULE(pNode,parameter),"Argument ist kein Parameter");
OSL_ENSURE(pNode->count() > 0,"Fehler im Parse Tree");
OSQLParseNode *pMark = pNode->getChild(0);
String aParameterName;
if (SQL_ISPUNCTUATION(pMark,"?"))
aParameterName = '?';
else if (SQL_ISPUNCTUATION(pMark,":"))
aParameterName = pNode->getChild(1)->getTokenValue();
else
{
OSL_FAIL("Fehler im Parse Tree");
}
// set up Parameter-Column with default type, can be specified more precisely later using Describe-Parameter
// save Identity (not escpecially necessary here, just for the sake of symmetry)
// todo
// OColumn* pColumn = new OFILEColumn(aParameterName,eDBType,255,0,SQL_FLAGS_NULLALLOWED);
// rParamColumns->AddColumn(pColumn);
// the value will be set just before the evaluation
}
//------------------------------------------------------------------
const ORowSetValue& OOperandValue::getValue() const
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OOperandValue::getValue" );
return m_aValue;
}
//------------------------------------------------------------------
OOperandConst::OOperandConst(const OSQLParseNode& rColumnRef, const rtl::OUString& aStrValue)
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OOperandConst::OOperandConst" );
switch (rColumnRef.getNodeType())
{
case SQL_NODE_STRING:
m_aValue = aStrValue;
m_eDBType = DataType::VARCHAR;
m_aValue.setBound(sal_True);
return;
case SQL_NODE_INTNUM:
case SQL_NODE_APPROXNUM:
{
m_aValue = aStrValue.toDouble();
m_eDBType = DataType::DOUBLE;
m_aValue.setBound(sal_True);
return;
}
default:
break;
}
if (SQL_ISTOKEN(&rColumnRef,TRUE))
{
m_aValue = 1.0;
m_eDBType = DataType::BIT;
}
else if (SQL_ISTOKEN(&rColumnRef,FALSE))
{
m_aValue = 0.0;
m_eDBType = DataType::BIT;
}
else
{
OSL_FAIL("Parse Error");
}
m_aValue.setBound(sal_True);
}
/////////////////////////////////////////////////////////////////////////////////////////
// Implementation of the operators
//------------------------------------------------------------------
sal_uInt16 OOperator::getRequestedOperands() const {return 2;}
//------------------------------------------------------------------
sal_Bool OBoolOperator::operate(const OOperand*, const OOperand*) const
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OBoolOperator::operate" );
return sal_False;
}
//------------------------------------------------------------------
void OBoolOperator::Exec(OCodeStack& rCodeStack)
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OBoolOperator::Exec" );
OOperand *pRight = rCodeStack.top();
rCodeStack.pop();
OOperand *pLeft = rCodeStack.top();
rCodeStack.pop();
rCodeStack.push(new OOperandResultBOOL(operate(pLeft, pRight)));
if (IS_TYPE(OOperandResult,pLeft))
delete pLeft;
if (IS_TYPE(OOperandResult,pRight))
delete pRight;
}
//------------------------------------------------------------------
sal_Bool OOp_NOT::operate(const OOperand* pLeft, const OOperand* ) const
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OOp_AND::operate" );
return !pLeft->isValid();
}
//------------------------------------------------------------------
void OOp_NOT::Exec(OCodeStack& rCodeStack)
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OOp_ISNULL::Exec" );
OOperand* pOperand = rCodeStack.top();
rCodeStack.pop();
rCodeStack.push(new OOperandResultBOOL(operate(pOperand)));
if (IS_TYPE(OOperandResult,pOperand))
delete pOperand;
}
//------------------------------------------------------------------
sal_uInt16 OOp_NOT::getRequestedOperands() const
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OOp_NOT::getRequestedOperands" );
return 1;
}
//------------------------------------------------------------------
sal_Bool OOp_AND::operate(const OOperand* pLeft, const OOperand* pRight) const
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OOp_AND::operate" );
return pLeft->isValid() && pRight->isValid();
}
//------------------------------------------------------------------
sal_Bool OOp_OR::operate(const OOperand* pLeft, const OOperand* pRight) const
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OOp_OR::operate" );
return pLeft->isValid() || pRight->isValid();
}
//------------------------------------------------------------------
sal_uInt16 OOp_ISNULL::getRequestedOperands() const
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OOp_ISNULL::getRequestedOperands" );
return 1;
}
//------------------------------------------------------------------
void OOp_ISNULL::Exec(OCodeStack& rCodeStack)
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OOp_ISNULL::Exec" );
OOperand* pOperand = rCodeStack.top();
rCodeStack.pop();
rCodeStack.push(new OOperandResultBOOL(operate(pOperand)));
if (IS_TYPE(OOperandResult,pOperand))
delete pOperand;
}
//------------------------------------------------------------------
sal_Bool OOp_ISNULL::operate(const OOperand* pOperand, const OOperand*) const
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OOp_ISNULL::operate" );
return pOperand->getValue().isNull();
}
//------------------------------------------------------------------
sal_Bool OOp_ISNOTNULL::operate(const OOperand* pOperand, const OOperand*) const
{
return !OOp_ISNULL::operate(pOperand);
}
//------------------------------------------------------------------
sal_Bool OOp_LIKE::operate(const OOperand* pLeft, const OOperand* pRight) const
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OOp_ISNULL::operate" );
sal_Bool bMatch;
ORowSetValue aLH(pLeft->getValue());
ORowSetValue aRH(pRight->getValue());
if (aLH.isNull() || aRH.isNull())
bMatch = sal_False;
else
{
bMatch = match(aRH.getString(), aLH.getString(), cEscape);
}
return bMatch;
}
//------------------------------------------------------------------
sal_Bool OOp_NOTLIKE::operate(const OOperand* pLeft, const OOperand* pRight) const
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OOp_NOTLIKE::operate" );
return !OOp_LIKE::operate(pLeft, pRight);
}
//------------------------------------------------------------------
sal_Bool OOp_COMPARE::operate(const OOperand* pLeft, const OOperand* pRight) const
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OOp_COMPARE::operate" );
ORowSetValue aLH(pLeft->getValue());
ORowSetValue aRH(pRight->getValue());
if (aLH.isNull() || aRH.isNull()) // if (!aLH.getValue() || !aRH.getValue())
return sal_False;
sal_Bool bResult = sal_False;
sal_Int32 eDBType = pLeft->getDBType();
// Comparison (depending on Data-type):
switch (eDBType)
{
case DataType::CHAR:
case DataType::VARCHAR:
case DataType::LONGVARCHAR:
{
rtl::OUString sLH = aLH, sRH = aRH;
sal_Int32 nRes = rtl_ustr_compareIgnoreAsciiCase_WithLength
(
sLH.pData->buffer,
sLH.pData->length,
sRH.pData->buffer,
sRH.pData->length );
switch(aPredicateType)
{
case SQLFilterOperator::EQUAL: bResult = (nRes == 0); break;
case SQLFilterOperator::NOT_EQUAL: bResult = (nRes != 0); break;
case SQLFilterOperator::LESS: bResult = (nRes < 0); break;
case SQLFilterOperator::LESS_EQUAL: bResult = (nRes <= 0); break;
case SQLFilterOperator::GREATER: bResult = (nRes > 0); break;
case SQLFilterOperator::GREATER_EQUAL: bResult = (nRes >= 0); break;
default: bResult = sal_False;
}
} break;
case DataType::TINYINT:
case DataType::SMALLINT:
case DataType::INTEGER:
case DataType::DECIMAL:
case DataType::NUMERIC:
case DataType::REAL:
case DataType::DOUBLE:
case DataType::BIT:
case DataType::TIMESTAMP:
case DataType::DATE:
case DataType::TIME:
{
double n = aLH ,m = aRH;
switch (aPredicateType)
{
case SQLFilterOperator::EQUAL: bResult = (n == m); break;
case SQLFilterOperator::LIKE: bResult = (n == m); break;
case SQLFilterOperator::NOT_EQUAL: bResult = (n != m); break;
case SQLFilterOperator::NOT_LIKE: bResult = (n != m); break;
case SQLFilterOperator::LESS: bResult = (n < m); break;
case SQLFilterOperator::LESS_EQUAL: bResult = (n <= m); break;
case SQLFilterOperator::GREATER: bResult = (n > m); break;
case SQLFilterOperator::GREATER_EQUAL: bResult = (n >= m); break;
default: bResult = sal_False;
}
} break;
default:
bResult = aLH == aRH;
}
return bResult;
}
//------------------------------------------------------------------
void ONumOperator::Exec(OCodeStack& rCodeStack)
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "ONumOperator::Exec" );
OOperand *pRight = rCodeStack.top();
rCodeStack.pop();
OOperand *pLeft = rCodeStack.top();
rCodeStack.pop();
rCodeStack.push(new OOperandResultNUM(operate(pLeft->getValue(), pRight->getValue())));
if (IS_TYPE(OOperandResult,pLeft))
delete pLeft;
if (IS_TYPE(OOperandResult,pRight))
delete pRight;
}
//------------------------------------------------------------------
double OOp_ADD::operate(const double& fLeft,const double& fRight) const
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OOp_ADD::operate" );
return fLeft + fRight;
}
//------------------------------------------------------------------
double OOp_SUB::operate(const double& fLeft,const double& fRight) const
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OOp_SUB::operate" );
return fLeft - fRight;
}
//------------------------------------------------------------------
double OOp_MUL::operate(const double& fLeft,const double& fRight) const
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OOp_MUL::operate" );
return fLeft * fRight;
}
//------------------------------------------------------------------
double OOp_DIV::operate(const double& fLeft,const double& fRight) const
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OOp_DIV::operate" );
return fLeft / fRight;
}
// -----------------------------------------------------------------------------
OEvaluateSet* OOperandAttr::preProcess(OBoolOperator* /*pOp*/, OOperand* /*pRight*/)
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OOperandAttr::preProcess" );
return NULL;
}
//------------------------------------------------------------------
void ONthOperator::Exec(OCodeStack& rCodeStack)
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "ONthOperator::Exec" );
::std::vector<ORowSetValue> aValues;
::std::vector<OOperand*> aOperands;
OOperand* pOperand;
do
{
OSL_ENSURE(!rCodeStack.empty(),"Stack must be none empty!");
pOperand = rCodeStack.top();
rCodeStack.pop();
if ( !IS_TYPE(OStopOperand,pOperand) )
aValues.push_back( pOperand->getValue() );
aOperands.push_back( pOperand );
}
while ( !IS_TYPE(OStopOperand,pOperand) );
rCodeStack.push(new OOperandResult(operate(aValues)));
::std::vector<OOperand*>::iterator aIter = aOperands.begin();
::std::vector<OOperand*>::iterator aEnd = aOperands.end();
for (; aIter != aEnd; ++aIter)
{
if (IS_TYPE(OOperandResult,*aIter))
delete *aIter;
}
}
//------------------------------------------------------------------
void OBinaryOperator::Exec(OCodeStack& rCodeStack)
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OBinaryOperator::Exec" );
OOperand *pRight = rCodeStack.top();
rCodeStack.pop();
OOperand *pLeft = rCodeStack.top();
rCodeStack.pop();
if ( !rCodeStack.empty() && IS_TYPE(OStopOperand,rCodeStack.top()) )
rCodeStack.pop();
rCodeStack.push(new OOperandResult(operate(pLeft->getValue(),pRight->getValue())));
if (IS_TYPE(OOperandResult,pRight))
delete pRight;
if (IS_TYPE(OOperandResult,pLeft))
delete pLeft;
}
//------------------------------------------------------------------
void OUnaryOperator::Exec(OCodeStack& rCodeStack)
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "OUnaryOperator::Exec" );
OSL_ENSURE(!rCodeStack.empty(),"Stack is empty!");
OOperand* pOperand = rCodeStack.top();
rCodeStack.pop();
rCodeStack.push(new OOperandResult(operate(pOperand->getValue())));
if (IS_TYPE(OOperandResult,pOperand))
delete pOperand;
}
// -----------------------------------------------------------------------------
sal_uInt16 OUnaryOperator::getRequestedOperands() const {return 1;}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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