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IFileManager.h

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// $Id: IFileManager.h,v 1.3 2000/12/06 00:50:38 burnett Exp $
//

#if !defined(XMLIFILEMANAGER_H_)
#define XMLIFILEMANAGER_H_

#if _MSC_VER >= 1000
#pragma once
#endif // _MSC_VER >= 1000


#include <vector>

namespace xml {
  class Element; 
  class IFile;

  class IFileManager     {
  public:
    typedef     void    (* LoadParamFunc)(IFile&);
    
    void load( IFile* file );
    
    void load( char *filename );
    
    static IFileManager*        instance() { return (s_instance == 0) ? 
                                           new IFileManager() : s_instance; }
    static void                         destroy()  { delete s_instance; s_instance = 0; }
      
    static bool loadParams( LoadParamFunc func = 0);
      
    // destructor
    virtual ~IFileManager();
    
    void printOn(std::ostream& out);

    const IFile* ifile()const{return m_file;}
    
  protected:
    // constructor
    IFileManager();      
    
  private:
    static      std::vector<LoadParamFunc>      s_calls;
    static      IFileManager*   s_instance;
    IFile*      m_file;
  };
} // end namespace xml
#endif // !defined(IFILEMANAGER_H_)

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