//
// The developer of the original code and/or files is Tripwire, Inc.
// Portions created by Tripwire, Inc. are copyright (C) 2000 Tripwire,
// Inc. Tripwire is a registered trademark of Tripwire, Inc.  All rights
// reserved.
// 
// This program is free software.  The contents of this file are subject
// to the terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2 of the License, or (at your
// option) any later version.  You may redistribute it and/or modify it
// only in compliance with the GNU General Public License.
// 
// This program is distributed in the hope that it will be useful.
// However, this program is distributed AS-IS WITHOUT ANY
// WARRANTY; INCLUDING THE IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS
// FOR A PARTICULAR PURPOSE.  Please see the GNU General Public License
// for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
// 
// Nothing in the GNU General Public License or any other license to use
// the code or files shall permit you to use Tripwire's trademarks,
// service marks, or other intellectual property without Tripwire's
// prior written consent.
// 
// If you have any questions, please contact Tripwire, Inc. at either
// info@tripwire.org or www.tripwire.org.
//
///////////////////////////////////////////////////////////////////////////////
// fcocompare.cpp
//

#include "stdfco.h"

#include "fcocompare.h"
#include "core/debug.h"
#include "fco.h"
#include "fcoprop.h"
#include "fcopropset.h"
#include "core/errorutil.h"

cFCOCompare::cFCOCompare()
{

}

cFCOCompare::cFCOCompare( const cFCOPropVector& propsToCompare)
:	mPropsToCmp( propsToCompare )
{

}

cFCOCompare::~cFCOCompare()
{

}

///////////////////////////////////////////////////////////////////////////////
// Compare 
///////////////////////////////////////////////////////////////////////////////
uint32 cFCOCompare::Compare(const iFCO* pFco1, const iFCO* pFco2) 
{
	ASSERT(pFco1 != 0);
	ASSERT(pFco2 != 0);
	// first, make sure the fcos are of the same type...
	if(pFco1->GetType() != pFco2->GetType())
	{
		ASSERT( false );
		INTERNAL_ERROR( "fcocompare.cpp" );
	}
	

	const iFCOPropSet* ps1		= pFco1->GetPropSet();
	const iFCOPropSet* ps2		= pFco2->GetPropSet();
	const cFCOPropVector& v1	= pFco1->GetPropSet()->GetValidVector();
	const cFCOPropVector& v2	= pFco2->GetPropSet()->GetValidVector();

	uint32 result = 0;

	mInvalidProps.SetSize( v1.GetSize() );
	mUnequalProps.SetSize( v1.GetSize() );
	mInvalidProps.Clear();
	mUnequalProps.Clear();

	// finally, comapre all the properties
	for(int i=0; i<v1.GetSize(); i++)
	{
		if(mPropsToCmp.ContainsItem(i))
		{
			if((! v1.ContainsItem(i)) || (! v2.ContainsItem(i)))
			{
				mInvalidProps.AddItem(i);
				result |= PROPS_NOT_ALL_VALID;
			}
			else
			{
				// comapre the properties
				if(ps1->GetPropAt(i)->Compare(ps2->GetPropAt(i), iFCOProp::OP_EQ) != iFCOProp::CMP_TRUE)
				{
					// they are not equal!
					mUnequalProps.AddItem(i);
					result |= PROPS_UNEQUAL;
				}
			}
		}
	}

	if( ! result )
		result = EQUAL;

	return result;
}