signed-blob.hpp

/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
#ifndef NDN_SIGNED_BLOB_HPP
#define NDN_SIGNED_BLOB_HPP

#include "blob.hpp"

namespace ndn {

class SignedBlob : public Blob {
public:
  SignedBlob()
  : signedPortionBeginOffset_(0), signedPortionEndOffset_(0)
  {
  }

  SignedBlob
    (const Blob& blob, size_t signedPortionBeginOffset, size_t signedPortionEndOffset)
  : Blob(blob), signedPortionBeginOffset_(signedPortionBeginOffset),
    signedPortionEndOffset_(signedPortionEndOffset)
  {
  }

  SignedBlob
    (const uint8_t* value, size_t valueLength, size_t signedPortionBeginOffset, size_t signedPortionEndOffset)
  : Blob(value, valueLength), signedPortionBeginOffset_(signedPortionBeginOffset), signedPortionEndOffset_(signedPortionEndOffset)
  {
  }

  SignedBlob
    (const std::vector<uint8_t> &value, size_t signedPortionBeginOffset, size_t signedPortionEndOffset)
  : Blob(value), signedPortionBeginOffset_(signedPortionBeginOffset), signedPortionEndOffset_(signedPortionEndOffset)
  {
  }

  SignedBlob
    (const ptr_lib::shared_ptr<std::vector<uint8_t> > &value, bool copy,
     size_t signedPortionBeginOffset, size_t signedPortionEndOffset)
  : Blob(value, copy), signedPortionBeginOffset_(signedPortionBeginOffset),
    signedPortionEndOffset_(signedPortionEndOffset)
  {
  }
  SignedBlob
    (const ptr_lib::shared_ptr<const std::vector<uint8_t> > &value, bool copy,
     size_t signedPortionBeginOffset, size_t signedPortionEndOffset)
  : Blob(value, copy), signedPortionBeginOffset_(signedPortionBeginOffset),
    signedPortionEndOffset_(signedPortionEndOffset)
  {
  }

  DEPRECATED_IN_NDN_CPP SignedBlob
    (const ptr_lib::shared_ptr<std::vector<uint8_t> > &value,
     size_t signedPortionBeginOffset, size_t signedPortionEndOffset)
  : Blob(value, false), signedPortionBeginOffset_(signedPortionBeginOffset), signedPortionEndOffset_(signedPortionEndOffset)
  {
  }
  DEPRECATED_IN_NDN_CPP SignedBlob
    (const ptr_lib::shared_ptr<const std::vector<uint8_t> > &value,
     size_t signedPortionBeginOffset, size_t signedPortionEndOffset)
  : Blob(value,false), signedPortionBeginOffset_(signedPortionBeginOffset), signedPortionEndOffset_(signedPortionEndOffset)
  {
  }

  size_t
  signedSize() const
  {
    if (*this)
      return signedPortionEndOffset_ - signedPortionBeginOffset_;
    else
      return 0;
  }

  const uint8_t*
  signedBuf() const
  {
    if (*this)
      return &(*this)->front() + signedPortionBeginOffset_;
    else
      return 0;
  }

  size_t
  getSignedPortionBeginOffset() const { return signedPortionBeginOffset_; }

  size_t
  getSignedPortionEndOffset() const { return signedPortionEndOffset_; }

private:
  size_t signedPortionBeginOffset_;
  size_t signedPortionEndOffset_;
};

}

#endif