Dirent.h

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/*
 * SWC-DB© Copyright since 2019 Alex Kashirin <kashirin.alex@gmail.com>
 * License details at <https://github.com/kashirin-alex/swc-db/#license>
 */
 
#ifndef swcdb_fs_Dirent_h
#define swcdb_fs_Dirent_h
 
 
#include "swcdb/core/Compat.h"
#include "swcdb/core/Serialization.h"
 
 
namespace SWC { namespace FS {
 
struct Dirent final  {
 
  SWC_CAN_INLINE
  Dirent() noexcept : name(), last_modification_time(), is_dir(), length() { }
 
  SWC_CAN_INLINE
  Dirent(const char* s, int64_t mod_time, bool a_is_dir, uint64_t a_length)
        : name(s), last_modification_time(mod_time),
          is_dir(a_is_dir), length(a_length) {
  }
 
  SWC_CAN_INLINE
  Dirent(Dirent&& other) noexcept
        : name(std::move(other.name)),
          last_modification_time(other.last_modification_time),
          is_dir(other.is_dir), length(other.length) {
  }
 
  SWC_CAN_INLINE
  Dirent(const Dirent& other)
        : name(other.name),
          last_modification_time(other.last_modification_time),
          is_dir(other.is_dir), length(other.length) {
  }
 
  ~Dirent() noexcept { }
 
  SWC_CAN_INLINE
  Dirent& operator=(Dirent&& other) noexcept {
    name = std::move(other.name);
    last_modification_time = other.last_modification_time;
    is_dir = other.is_dir;
    length = other.length;
    return *this;
  }
 
  Dirent& operator=(const Dirent&) = delete;
 
  std::string   name;
  int64_t       last_modification_time;
  bool          is_dir;
  uint64_t      length;
 
  std::string to_string() const;
 
  SWC_CAN_INLINE
  size_t encoded_length() const noexcept {
    return Serialization::encoded_length_bytes(name.size())
         + Serialization::encoded_length_vi64(last_modification_time)
         + 1
         + (is_dir ? 0 : Serialization::encoded_length_vi64(length));
  }
 
  SWC_CAN_INLINE
  void encode(uint8_t** bufp) const {
    Serialization::encode_bytes(bufp, name.c_str(), name.size());
    Serialization::encode_vi64(bufp, last_modification_time);
    Serialization::encode_bool(bufp, is_dir);
    if(!is_dir)
      Serialization::encode_vi64(bufp, length);
  }
 
  SWC_CAN_INLINE
  void decode(const uint8_t** bufp, size_t* remainp) {
    name = Serialization::decode_bytes_string(bufp, remainp);
    last_modification_time = Serialization::decode_vi64(bufp, remainp);
    is_dir = Serialization::decode_bool(bufp, remainp);
    length = is_dir ? 0 : Serialization::decode_vi64(bufp, remainp);
  }
 
};
 
typedef Core::Vector<Dirent> DirentList;
}}
 
 
 
#ifdef SWC_IMPL_SOURCE
#include "swcdb/fs/Dirent.cc"
#endif
 
 
#endif // swcdb_fs_Dirent_h