text: // Copyright 2018 The Crashpad Authors. All rights reserved.
  //
  // 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 CRASHPAD_SNAPSHOT_MINIDUMP_SYSTEM_SNAPSHOT_MINIDUMP_H_
  #define CRASHPAD_SNAPSHOT_MINIDUMP_SYSTEM_SNAPSHOT_MINIDUMP_H_
  
  #include <windows.h>
  
  #include "base/macros.h"
  #include "minidump/minidump_extensions.h"
  #include "snapshot/system_snapshot.h"
  #include "util/file/file_reader.h"
  #include "util/misc/initialization_state_dcheck.h"
  
  namespace crashpad {
  namespace internal {
  
  //! \brief A SystemSnapshot based on a minidump file.
  class SystemSnapshotMinidump : public SystemSnapshot {
   public:
    SystemSnapshotMinidump();
    ~SystemSnapshotMinidump() override;
  
    //! \brief Initializes the object.
    //!
    //! \param[in] file_reader A file reader corresponding to a minidump file.
    //!     The file reader must support seeking.
    //! \param[in] minidump_system_info_rva The file offset in \a file_reader at
    //!     which the thread’s MINIDUMP_SYSTEM_INFO structure is located.
    //! \param[in] version The OS version taken from the build string in
    //!     MINIDUMP_MISC_INFO_4.
    //!
    //! \return `true` if the snapshot could be created, `false` otherwise with
    //!     an appropriate message logged.
    bool Initialize(FileReaderInterface* file_reader,
                    RVA minidump_system_info_rva,
                    const std::string& version);
  
    CPUArchitecture GetCPUArchitecture() const override;
    uint32_t CPURevision() const override;
    uint8_t CPUCount() const override;
    std::string CPUVendor() const override;
    void CPUFrequency(uint64_t* current_hz, uint64_t* max_hz) const override;
    uint32_t CPUX86Signature() const override;
    uint64_t CPUX86Features() const override;
    uint64_t CPUX86ExtendedFeatures() const override;
    uint32_t CPUX86Leaf7Features() const override;
    bool CPUX86SupportsDAZ() const override;
    OperatingSystem GetOperatingSystem() const override;
    bool OSServer() const override;
    void OSVersion(int* major,
                   int* minor,
                   int* bugfix,
                   std::string* build) const override;
    std::string OSVersionFull() const override;
    std::string MachineDescription() const override;
    bool NXEnabled() const override;
    void TimeZone(DaylightSavingTimeStatus* dst_status,
                  int* standard_offset_seconds,
                  int* daylight_offset_seconds,
                  std::string* standard_name,
                  std::string* daylight_name) const override;
  
   private:
    MINIDUMP_SYSTEM_INFO minidump_system_info_;
    std::string minidump_build_name_;
    std::string full_version_;
    InitializationStateDcheck initialized_;
  
    DISALLOW_COPY_AND_ASSIGN(SystemSnapshotMinidump);
  };
  
  }  // namespace internal
  }  // namespace crashpad
  
  #endif  // CRASHPAD_SNAPSHOT_MINIDUMP_SYSTEM_SNAPSHOT_MINIDUMP_H_
  