PE/LoadConfigurations/CHPEMetadata/Metadata.hpp

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/* Copyright 2017 - 2025 R. Thomas
 * Copyright 2017 - 2025 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_PE_LOAD_CONFIGURATION_CHPE_METADATA_H
#define LIEF_PE_LOAD_CONFIGURATION_CHPE_METADATA_H
#include <memory>
#include <string>
#include <cstdint>
 
#include "LIEF/visibility.h"
 
namespace LIEF {
class BinaryStream;
namespace PE {
class Parser;

class LIEF_API CHPEMetadata {
  public:

  enum class KIND {
    UNKNOWN = 0,
    ARM64, X86,
  };
 
  CHPEMetadata() = default;
  CHPEMetadata(KIND kind, uint32_t version) :
    kind_(kind), version_(version)
  {}
 
  CHPEMetadata(const CHPEMetadata&) = default;
  CHPEMetadata& operator=(const CHPEMetadata&) = default;
 
  CHPEMetadata(CHPEMetadata&&) = default;
  CHPEMetadata& operator=(CHPEMetadata&&) = default;
 
  virtual std::unique_ptr<CHPEMetadata> clone() const {
    return std::unique_ptr<CHPEMetadata>(new CHPEMetadata(*this));
  }
 
  static std::unique_ptr<CHPEMetadata> parse(Parser& ctx, BinaryStream& stream);

  KIND kind() const {
    return kind_;
  }

  uint32_t version() const {
    return version_;
  }
 
  virtual std::string to_string() const {
    return std::string("CHPEMetadata{ version= ") + std::to_string(version_) + "}";
  }
 
  template<class T>
  T* as() {
    static_assert(std::is_base_of<CHPEMetadata, T>::value,
                  "Require CHPEMetadata inheritance");
    if (T::classof(this)) {
      return static_cast<T*>(this);
    }
    return nullptr;
  }
 
  template<class T>
  const T* as() const {
    return const_cast<CHPEMetadata*>(this)->as<T>();
  }
 
  LIEF_API friend
    std::ostream& operator<<(std::ostream& os, const CHPEMetadata& meta)
  {
    os << meta.to_string();
    return os;
  }
 
  virtual ~CHPEMetadata() = default;
 
  protected:
  KIND kind_ = KIND::UNKNOWN;
  uint32_t version_ = 0;
};
}
}
 
#endif