SysvHash.hpp

/* Copyright 2017 - 2024 R. Thomas
 * Copyright 2017 - 2024 Quarkslab
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#ifndef LIEF_ELF_SYSV_HASH_H
#define LIEF_ELF_SYSV_HASH_H
 
#include <cstdint>
#include <vector>
#include <ostream>
 
#include "LIEF/Object.hpp"
#include "LIEF/visibility.h"
 
namespace LIEF {
namespace ELF {
 
class Parser;
class Builder;
class Binary;
 
class LIEF_API SysvHash : public Object {
 
  friend class Parser;
  friend class Builder;
  friend class Binary;
 
  public:
  SysvHash() = default;
  SysvHash& operator=(const SysvHash& copy) = default;
  SysvHash(const SysvHash& copy) = default;
 
  SysvHash& operator=(SysvHash&&) = default;
  SysvHash(SysvHash&&) = default;
  ~SysvHash() override = default;
 
  uint32_t nbucket() const {
    return buckets_.size();
  }
 
  uint32_t nchain() const {
    return chains_.size();
  }
 
  const std::vector<uint32_t>& buckets() const {
    return buckets_;
  }
 
  const std::vector<uint32_t>& chains() const {
    return chains_;
  }
 
  void nchain(uint32_t nb) {
    chains_.resize(nb);
  }
 
  void accept(Visitor& visitor) const override;
 
  LIEF_API friend std::ostream& operator<<(std::ostream& os, const SysvHash& sysvhash);
 
  private:
  std::vector<uint32_t> buckets_;
  std::vector<uint32_t> chains_;
};
 
} // namepsace ELF
} // namespace LIEF
 
#endif