/* Copyright 2017 - 2021 R. Thomas
 * Copyright 2017 - 2021 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_OAT_DEXFILE_H_
#define LIEF_OAT_DEXFILE_H_

#include "LIEF/OAT/type_traits.hpp"
#include "LIEF/OAT/Structures.hpp"

#include "LIEF/visibility.h"
#include "LIEF/Object.hpp"

#include "LIEF/DEX.hpp"

namespace LIEF {
namespace OAT {
class Parser;

class LIEF_API DexFile : public Object {
  friend class Parser;

  public:
  DexFile(void);
  DexFile(const DexFile&);
  DexFile& operator=(const DexFile&);

  const std::string& location(void) const;

  uint32_t checksum(void) const;
  uint32_t dex_offset(void) const;

  bool has_dex_file(void) const;

  const DEX::File& dex_file(void) const;
  DEX::File& dex_file(void);

  void location(const std::string& location);
  void checksum(uint32_t checksum);
  void dex_offset(uint32_t dex_offset);

  const std::vector<uint32_t>& classes_offsets(void) const;

  // Android 7.X.X and Android 8.0.0
  // ===============================
  uint32_t lookup_table_offset(void) const;

  void class_offsets_offset(uint32_t offset);
  void lookup_table_offset(uint32_t offset);
  // ===============================

  virtual void accept(Visitor& visitor) const override;

  bool operator==(const DexFile& rhs) const;
  bool operator!=(const DexFile& rhs) const;

  virtual ~DexFile(void);

  LIEF_API friend std::ostream& operator<<(std::ostream& os, const DexFile& dex_file);

  private:
  std::string location_;
  uint32_t checksum_;
  uint32_t dex_offset_;

  DEX::File* dex_file_{nullptr};

  // OAT 64 (Android 6.X.X)
  std::vector<uint32_t> classes_offsets_;

  // OAT 79 / 88 (Android 7.X.X)
  uint32_t lookup_table_offset_;

  // OAT 131 (Android 8.1.0)
  uint32_t method_bss_mapping_offset_;
  uint32_t dex_sections_layout_offset_;


};

} // Namespace OAT
} // Namespace LIEF
#endif
