///////////////////////////////////////////////////////////////////////
///  BridgeToCPPengine.h - Shows how to use traditional, unmanaged  ///
///  ver 2.1               C++ packaged as a dll library from       ///
///                        managed code.                            ///
///                                                                 ///
///  Language:     Visual C++, ver 7.0, Visual Studio.Net           ///
///  Platform:     Dell Dimension 8100, Windows Pro 2000            ///
///  Application:  CSE681 Example                                   ///
///  Author:       Jim Fawcett, CST 2-187, Syracuse Univ.           ///
///                (315) 443-3948, jfawcett@twcny.rr.com            ///
///////////////////////////////////////////////////////////////////////
/*
     Public Interface:
     -----------------
     Bridge br = new Bridge();
     br.attach(someFile);
     br.getTok(tokStr);

*/
/////////////////////////////////////////////////////////////////////// 
///  build process                                                  ///
///////////////////////////////////////////////////////////////////////
///  Required Files:                                                ///
///    BridgeToCPPengine.h, BridgeToCPPengine.cpp                   ///
///  Compile Command:                                               ///
///    cl /MTd /LD BridgeToCPPengine.cpp                            ///
///  Visual Studio IDE:                                             ///
///    - set compiler options to place dll in TestBridge/Debug      ///
///    - use managed C++ library project                            ///
///  Run Command:                                                   ///
///    none                                                         ///
///////////////////////////////////////////////////////////////////////
/*
     Maintenance History
     ===================
     ver 2.1 : 29 Jan 04
       - removed memory leak by deleting pToken in Bridge::GetTok(...).
     ver 2.0 : 25 Jan 04
       - major simplifying redesign of Bridge class
     ver 1.0 : 13 Sep 02
       - first release
        
*/
//
#pragma once
#using <mscorlib.dll>
#include "tok.h"
#include <string>
#include <fstream>
using namespace System;
using namespace System::Text;

namespace bridgeToCPPengine
{
  // managed classes can't:
  //   - be templated
  //   - use friends
  //   - use multiple inheritance

  public __gc class Bridge
  {
    // need gcroot here?
    toker<codeDelimiter>* _pToker;
    std::istream* _pStream;
    String* UmsToMs(std::string* s);
    std::string* MsToUms(String* s);

  public:
    Bridge();
    ~Bridge();
    bool attach(String* fileName);
    bool GetTok(String*& pTok);
  };
}