Hash.hpp

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// ======================================================================
// \title  Hash.hpp
// \author dinkel
// \brief  hpp file for Hash class
//
// \copyright
// Copyright 2009-2015, by the California Institute of Technology.
// ALL RIGHTS RESERVED.  United States Government Sponsorship
// acknowledged.
//
// ======================================================================

#ifndef UTILS_HASH_HPP
#define UTILS_HASH_HPP

#include "Fw/Types/StringType.hpp"
#include <Utils/Hash/HashBuffer.hpp>

namespace Utils {

  class Hash {

    public:

      // ----------------------------------------------------------------------
      // Construction and destruction
      // ----------------------------------------------------------------------

      Hash();

      ~Hash();

    public:

      // ----------------------------------------------------------------------
      // Public static methods
      // ----------------------------------------------------------------------

      static void hash(
          const void *data,
          const NATIVE_INT_TYPE len,
          HashBuffer& buffer
      );

    public:

      // ----------------------------------------------------------------------
      // Public instance methods
      // ----------------------------------------------------------------------

      void init();

      void setHashValue(
          HashBuffer &value 
      );

      void update(
          const void *const data,
          const NATIVE_INT_TYPE len
      );

      void final(
          HashBuffer& buffer 
      );

      void final(U32 &hashvalue);

      static const char* getFileExtensionString();

      static void addFileExtension(
          const Fw::StringBase& baseName, 
          Fw::StringBase& extendedName 
      );

      static NATIVE_UINT_TYPE getFileExtensionLength();

    private:

      // ----------------------------------------------------------------------
      // Private member variables
      // ----------------------------------------------------------------------

      HASH_HANDLE_TYPE hash_handle;

  };

}

#endif