context_domain.h

/* Copyright (c) 2015 Brian R. Bondy. Distributed under the MPL2 license.
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef CONTEXT_DOMAIN_H_
#define CONTEXT_DOMAIN_H_

#include <string.h>
#include "./base.h"

// This class must operate off of borrowed memory
// Serialization and deserialization is not supported intentionally.
class ContextDomain {
 public:
  uint64_t GetHash() const;

  ~ContextDomain() {
  }

  ContextDomain(const char* start, int len) {
    start_ = start;
    len_ = len;
  }

  ContextDomain(const ContextDomain &rhs) {
    start_ = rhs.start_;
    len_ = rhs.len_;
  }

  ContextDomain() : start_(nullptr), len_(0) {
  }

  bool operator==(const ContextDomain&rhs) const {
    if (!start_ || !rhs.start_) {
      return false;
    }
    if (len_ != rhs.len_) {
      return false;
    }
    return !memcmp(start_, rhs.start_, len_);
  }

  bool operator!=(const ContextDomain &rhs) const {
    return !(*this == rhs);
  }

  void Update(const ContextDomain &other) {
  }

  uint32_t Serialize(char* buffer) {
    return 0;
  }

  uint32_t Deserialize(char* buffer, uint32_t buffer_size) {
    return 0;
  }

 private:
  const char* start_;
  int len_;
};

#endif  // CONTEXT_DOMAIN_H_