strip-space.hpp

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

#include "transform-base.hpp"
#include <bitset>
#include <climits>

namespace ndn {
namespace security {
namespace transform {

class StripSpace : public Transform
{
public:
  static const char* const DEFAULT_WHITESPACES;

  explicit
  StripSpace(const char* whitespaces = DEFAULT_WHITESPACES);

private:
  size_t
  convert(const uint8_t* buf, size_t buflen) final;

private:
  static constexpr size_t CHARMAP_SIZE = 1 << CHAR_BIT;
  std::bitset<CHARMAP_SIZE> m_isWhitespace; // char => whether char is whitespace
};

unique_ptr<Transform>
stripSpace(const char* whitespaces = StripSpace::DEFAULT_WHITESPACES);

} // namespace transform
} // namespace security
} // namespace ndn

#endif // NDN_CXX_SECURITY_TRANSFORM_STRIP_SPACE_HPP