//
// 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.
//
///////////////////////////////////////////////////////////////////////////////
// hierdbpath.cpp :  Implements cHierDbPath.
//

#include "stddb.h"

#include "hierdbpath.h"
#include "core/debug.h"

//Ctor:
cHierDbPath::cHierDbPath( void ) :
	 mbCaseSensitive(false), mDelimitingChar( _T('/') )
{
		ASSERT( mCurrPath.empty() );
}

cHierDbPath::cHierDbPath( TCHAR cDelChar, bool bCaseSensitive ) :
	mbCaseSensitive( bCaseSensitive ), mDelimitingChar( cDelChar )
{
		ASSERT( mCurrPath.empty() );
}

//Copy Ctor:
cHierDbPath::cHierDbPath( const cHierDbPath& rhs )
{
	mbCaseSensitive = rhs.mbCaseSensitive;
	mDelimitingChar = rhs.mDelimitingChar;

	if( !rhs.mCurrPath.empty() )
	{
		DbPath::const_iterator it = rhs.mCurrPath.begin();
		for( ; it != rhs.mCurrPath.end(); ++it )
			mCurrPath.push_back( *it );
	}
}

///////////////////////////////////////////////////////////////////////////////
// operator=
cHierDbPath& cHierDbPath::operator=( const cHierDbPath& rhs )
{
	if (this != &rhs)
	{
		mbCaseSensitive = rhs.mbCaseSensitive;
		mDelimitingChar = rhs.mDelimitingChar;

		if( !rhs.mCurrPath.empty() )
		{
			DbPath::const_iterator it = rhs.mCurrPath.begin();
			for( ; it != (rhs.mCurrPath.end()); ++it )
				mCurrPath.push_back( *it );
		}
	}
	return *this;
}

//Dtor:
cHierDbPath::~cHierDbPath( void )
{
}

///////////////////////////////////////////////////////////////////////////////
// Push: Adds a substring to the end of the sequence(path)
void	cHierDbPath::Push( const TSTRING &str )
{
	mCurrPath.push_back( str );
}

///////////////////////////////////////////////////////////////////////////////
// Pop: Removes a substring from the end of the path and returns it as a 
// TSTRING.
TSTRING	cHierDbPath::Pop( void )
{
	TSTRING ret;

	if ( mCurrPath.empty() )
		return _T("");

	ret = mCurrPath.back();

	mCurrPath.pop_back();

	return ret;
}

void cHierDbPath::SetCaseSensitive( bool bCaseSensitive )
{
	mbCaseSensitive = bCaseSensitive;
}

bool cHierDbPath::IsCaseSensitive( void ) const
{
	return mbCaseSensitive;
}

void cHierDbPath::SetDelimiter( TCHAR Delimiter )
{
	mDelimitingChar = Delimiter;
}

TCHAR cHierDbPath::GetDelimiter( void ) const
{
	return mDelimitingChar;
}

void cHierDbPath::Clear( void )
{
	mCurrPath.clear();

	ASSERT( mCurrPath.empty() );
}

///////////////////////////////////////////////////////////////////////////////
// AsString -- Returns a TSTRING representation of the current path
TSTRING cHierDbPath::AsString( void ) const
{
	TSTRING ret = _T("");

	if(mCurrPath.size() == 1)
	{
		ret = *(mCurrPath.begin());
		ret += mDelimitingChar;
		return ret;
	}

	DbPath::const_iterator it = mCurrPath.begin();

	// The loop adds delimiting characters until the last element in the
	// sequence is reached, so we don't have a trailing character.
	while(it != mCurrPath.end() )
	{
		// the loop is constructed in this odd fashion because I don't want a trailing mDelimiter
		ret += (*it);
		++it;
		if(it != mCurrPath.end())
			ret += mDelimitingChar;
	}

	//return the completed TSTRING
	return ret;
}

///////////////////////////////////////////////////////////////////////////////
// GetSize: Returns the number of substrings in the sequence
int cHierDbPath::GetSize( void ) const
{
	return mCurrPath.size();
}