DEX/Header.hpp

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/* Copyright 2017 - 2026 R. Thomas
 * Copyright 2017 - 2026 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_DEX_HEADER_H
#define LIEF_DEX_HEADER_H
 
#include <array>
#include <utility>
#include <cstdint>
#include <ostream>
 
#include "LIEF/visibility.h"
#include "LIEF/Object.hpp"
 
namespace LIEF {
class Visitor;
 
namespace DEX {
class Parser;

class LIEF_API Header : public Object {
  friend class Parser;
 
  public:
  using location_t = std::pair<uint32_t, uint32_t>;
 
  using magic_t     = std::array<uint8_t, 8>;
  using signature_t = std::array<uint8_t, 20>;
 
  Header();
  Header(const Header&);
  Header& operator=(const Header&);
 
  template<class T>
  LIEF_LOCAL Header(const T& header);

  magic_t magic() const;

  uint32_t checksum() const;

  signature_t signature() const;

  uint32_t file_size() const;

  uint32_t header_size() const;

  uint32_t endian_tag() const;

  uint32_t map() const;

  location_t strings() const;
  location_t link() const;
  location_t types() const;
  location_t prototypes() const;
  location_t fields() const;
  location_t methods() const;
  location_t classes() const;
  location_t data() const;
 
  uint32_t nb_classes() const;
 
  uint32_t nb_methods() const;
 
  void accept(Visitor& visitor) const override;
 
 
  LIEF_API friend std::ostream& operator<<(std::ostream& os, const Header& hdr);
 
  ~Header() override;
 
  private:
  magic_t magic_;
  uint32_t checksum_;
  signature_t signature_;
  uint32_t file_size_;
 
  uint32_t header_size_;
  uint32_t endian_tag_;
 
  uint32_t link_size_;
  uint32_t link_off_;
 
  uint32_t map_off_;
 
  uint32_t string_ids_size_;
  uint32_t string_ids_off_;
 
  uint32_t type_ids_size_;
  uint32_t type_ids_off_;
 
  uint32_t proto_ids_size_;
  uint32_t proto_ids_off_;
 
  uint32_t field_ids_size_;
  uint32_t field_ids_off_;
 
  uint32_t method_ids_size_;
  uint32_t method_ids_off_;
 
  uint32_t class_defs_size_;
  uint32_t class_defs_off_;
 
  uint32_t data_size_;
  uint32_t data_off_;
};
 
} // Namespace DEX
} // Namespace LIEF
 
#endif