DataInCode.hpp

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/* 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_MACHO_DATA_IN_CODE_COMMAND_H
#define LIEF_MACHO_DATA_IN_CODE_COMMAND_H
#include <vector>
#include <ostream>
 
#include "LIEF/visibility.h"
#include "LIEF/iterators.hpp"
#include "LIEF/span.hpp"
 
#include "LIEF/MachO/LoadCommand.hpp"
#include "LIEF/MachO/DataCodeEntry.hpp"
 
namespace LIEF {
namespace MachO {
class BinaryParser;
class LinkEdit;
 
namespace details {
struct linkedit_data_command;
}
 
class LIEF_API DataInCode : public LoadCommand {
  friend class BinaryParser;
  friend class LinkEdit;
  public:
  using entries_t        = std::vector<DataCodeEntry>;
  using it_const_entries = const_ref_iterator<const entries_t&>;
  using it_entries       = ref_iterator<entries_t&>;
 
  public:
  DataInCode() = default;
  DataInCode(const details::linkedit_data_command& cmd);
 
  DataInCode& operator=(const DataInCode&) = default;
  DataInCode(const DataInCode&) = default;
 
  std::unique_ptr<LoadCommand> clone() const override {
    return std::unique_ptr<DataInCode>(new DataInCode(*this));
  }
 
  uint32_t data_offset() const {
    return data_offset_;
  }
 
  uint32_t data_size() const {
    return data_size_;
  }
 
  void data_offset(uint32_t offset) {
    data_offset_ = offset;
  }
  void data_size(uint32_t size) {
    data_size_ = size;
  }
 
  DataInCode& add(DataCodeEntry entry) {
    entries_.push_back(std::move(entry));
    return *this;
  }
 
  it_const_entries entries() const {
    return entries_;
  }
 
  it_entries entries() {
    return entries_;
  }
 
  span<uint8_t> content() {
    return content_;
  }
 
  span<const uint8_t> content() const {
    return content_;
  }
 
  ~DataInCode() override = default;
 
  void accept(Visitor& visitor) const override;
 
  std::ostream& print(std::ostream& os) const override;
 
  static bool classof(const LoadCommand* cmd) {
    return cmd->command() == LoadCommand::TYPE::DATA_IN_CODE;
  }
 
  private:
  uint32_t  data_offset_ = 0;
  uint32_t  data_size_   = 0;
  entries_t entries_;
  span<uint8_t> content_;
 
};
 
}
}
#endif