tripwire-open-source/src/fco/fcosetimpl.h

130 lines
4.9 KiB
C++

//
// 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.
//
///////////////////////////////////////////////////////////////////////////////
// fcosetimpl.h
//
// class cFCOSetImpl -- concrete implementation of an FCO set
// class cFCOIterImpl -- the iterator over the set
#ifndef __FCOSETIMPL_H
#define __FCOSETIMPL_H
#ifndef __FCO_H
#include "fco.h"
#endif
#include "fconame.h"
#ifndef __FCONAME_H
#include "fconame.h"
#endif
class cFCOIterImpl;
class cFCOSetImpl : public iFCOSet
{
friend class cFCOIterImpl;
DECLARE_TYPEDSERIALIZABLE()
public:
cFCOSetImpl();
cFCOSetImpl(const cFCOSetImpl& rhs);
virtual ~cFCOSetImpl();
void operator=(const cFCOSetImpl& rhs);
virtual const iFCOIter* Lookup(const cFCOName& name) const;
virtual iFCOIter* Lookup(const cFCOName& name);
virtual const iFCOIter* GetIter() const;
virtual iFCOIter* GetIter();
virtual void Insert(iFCO* pFCO);
virtual void Clear();
virtual bool IsEmpty() const;
virtual int Size() const { return mFCOSet.size(); };
virtual void TraceContents(int dl = -1) const;
// iSerializable interface
virtual void Read (iSerializer* pSerializer, int32 version = 0); // throw (eSerializer, eArchive)
virtual void Write(iSerializer* pSerializer) const; // throw (eSerializer, eArchive)
private:
void ReturnIter(const cFCOIterImpl* pIter) const;
// returns the iterator to its owner; the reciprocal action
// to Lookup() or GetIter(); called by the iterator when it is destroyed
// class we store in the set below; it is a hack that allows us to
// look up iFCOs using cFCONames in a std::set
class cFCONode
{
public:
iFCO* mpFCO;
const cFCOName* mpFCOName;
cFCONode() : mpFCO(0), mpFCOName(0) {}
cFCONode(iFCO* pFCO) : mpFCO(pFCO), mpFCOName(&pFCO->GetName()) {}
cFCONode(const cFCOName& name) : mpFCO(0), mpFCOName(&name) {}
cFCONode(const cFCONode& rhs) : mpFCO(rhs.mpFCO), mpFCOName(rhs.mpFCOName) {}
bool operator < (const cFCONode& rhs) const { if(mpFCOName) return (*mpFCOName < *rhs.mpFCOName); else return false; }
bool operator ==(const cFCONode& rhs) const { if(mpFCOName) return (*mpFCOName == *rhs.mpFCOName); else return false; }
};
std::set<cFCONode> mFCOSet;
// this is what actually stores the iFCOs.
};
class cFCOIterImpl : public iFCOIter
{
friend class cFCOSetImpl;
public:
cFCOIterImpl(cFCOSetImpl* pSet);
cFCOIterImpl(const cFCOSetImpl* pSet);
virtual void SeekBegin() const;
virtual bool Done() const;
virtual bool IsEmpty() const;
virtual void Next() const;
virtual const iFCO* FCO() const;
virtual iFCO* FCO();
virtual bool SeekToFCO(const cFCOName& name) const;
virtual void Remove();
virtual void Remove() const;
virtual void DestroyIter() const;
private:
virtual ~cFCOIterImpl() ;
cFCOSetImpl* mpSet;
mutable std::set<cFCOSetImpl::cFCONode>::iterator mIter;
// the definition of a const iterator is not that its position cannot change,
// but that it cannot modify the set it is iterating over, hence the "mutable"
};
#endif //__FCOSETIMPL_H