IDirectoryUtility.h

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// Owner: Robin_Briggs
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#ifndef __IDIRECTORYUTILITY__
#define __IDIRECTORYUTILITY__
#include <boost/function.hpp>
class IDirectoryUtility
{
public:
 typedef ::boost::function1<bool16, IDirectoryUtility*> FileMatch;

 static bool16 DefaultFileMatchFun( IDirectoryUtility* ) {return kTrue;}
 IDirectoryUtility( FileMatch matchFunc ) :
 fMatchFunction( matchFunc ) {}
 
 virtual ~IDirectoryUtility() { }

 virtual void AddPath(const IDFile& fileSpec) = 0;
 
 bool16 IsMatch()
 { return (fMatchFunction)( this ); }
 
 virtual bool16 First(IDFile *resultFile) = 0;

 virtual bool16 Next(IDFile *resultFile) = 0;

 virtual bool16 CurrentMatchFile(IDFile *resultFile) const = 0;

 class OnSysFileFunction
 {
 public:
 virtual bool16 OnSysFile( const IDFile &nextFile, int32 nthFile ) = 0 ;
 };

 virtual void ForEachFileInFolder( OnSysFileFunction& onSysFile ) = 0 ;

 protected:
 FileMatch fMatchFunction ;
};


#endif // __IDIRECTORYUTILITY__