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/*
* This file is part of rasdaman community.
*
* Rasdaman community is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Rasdaman community 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with rasdaman community. If not, see <http://www.gnu.org/licenses/>.
*
* Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 Peter Baumann /
rasdaman GmbH.
*
* For more information please see <http://www.rasdaman.org>
* or contact Peter Baumann via <baumann@rasdaman.com>.
*/
/*************************************************************
*
*
* PURPOSE:
*
*
* COMMENTS:
*
************************************************************/
static const char rcsid[] = "@(#)qlparser, QtUnaryOperation: $Header: /home/rasdev/CVS-repository/rasdaman/qlparser/qtunaryoperation.cc,v 1.23 2003/12/27 20:51:28 rasdev Exp $";
#include "qlparser/qtunaryoperation.hh"
#include "qlparser/qtconst.hh"
#include <iostream>
#ifndef CPPSTDLIB
#include <ospace/string.h> // STL<ToolKit>
#else
#include <string>
using namespace std;
#endif
QtUnaryOperation::QtUnaryOperation()
: QtOperation(),
input(NULL)
{
}
QtUnaryOperation::QtUnaryOperation( QtOperation* inputInit )
: QtOperation(),
input( inputInit )
{
if( input )
input->setParent( this );
}
QtUnaryOperation::~QtUnaryOperation()
{
if( input )
{
delete input;
input=NULL;
}
}
string
QtUnaryOperation::getSpelling()
{
char tempStr[20];
sprintf(tempStr, "%ud", (unsigned long)getNodeType());
string result = string(tempStr);
result.append( "(" );
result.append( input->getSpelling() );
result.append( ")" );
return result;
}
void
QtUnaryOperation::simplify()
{
RMDBCLASS( "QtUnaryOperation", "simplify()", "qlparser", __FILE__, __LINE__ )
// In order to work bottom up, first inspect the descendants
QtNode::simplify();
// Test, if operand is available.
if( input )
{
// Test, if operand is of const type.
if( input->getNodeType() == QT_CONST )
{
// evaluate the self node with no input list
QtData* newConst = this->evaluate( NULL );
if( newConst )
{
// create a new constant node and fill it with newConst
QtConst* newNode = new QtConst( newConst );
// set its data stream type
newNode->checkType( NULL );
// link it to the parent
getParent()->setInput( this, newNode );
// delete the self node and its descendants
delete this;
}
}
}
}
bool
QtUnaryOperation::equalMeaning( QtNode* node )
{
RMDBCLASS( "QtUnaryOperation", "equalMeaning( QtNode* )", "qlparser", __FILE__, __LINE__ )
bool result = false;
if( getNodeType() == node->getNodeType() )
{
QtUnaryOperation* unaryNode = (QtUnaryOperation*) node; // by force
result = input->equalMeaning( unaryNode->getInput() );
};
return ( result );
}
QtNode::QtNodeList*
QtUnaryOperation::getChilds( QtChildType flag )
{
RMDBCLASS( "QtUnaryOperation", "getChilds( QtChildType )", "qlparser", __FILE__, __LINE__ )
QtNodeList* resultList=NULL;
if( flag == QT_DIRECT_CHILDS )
resultList = new QtNodeList();
if( flag == QT_LEAF_NODES || flag == QT_ALL_NODES )
resultList = input->getChilds( flag );
if( flag == QT_DIRECT_CHILDS || flag == QT_ALL_NODES )
resultList->push_back( input );
return resultList;
}
QtNode::QtAreaType
QtUnaryOperation::getAreaType()
{
return( input->getAreaType() );
}
void
QtUnaryOperation::optimizeLoad( QtTrimList* trimList )
{
RMDBCLASS( "QtUnaryOperation", "optimizeLoad( QtTrimList* )", "qlparser", __FILE__, __LINE__ )
// by default, pass load domain to the input
if( input )
input->optimizeLoad( trimList );
else
{
delete trimList;
trimList=NULL;
}
}
void
QtUnaryOperation::printTree( int tab, ostream& s, QtChildType mode )
{
if( mode != QtNode::QT_DIRECT_CHILDS )
if( input )
{
s << SPACE_STR(tab).c_str() << "input: " << endl;
input->printTree( tab+2, s, mode );
}
else
s << SPACE_STR(tab).c_str() << "no input" << endl;
}
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