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#pragma once
#include <cstddef>
#include <limits>
#include <type_traits>
namespace Efi
{
class Status
{
using size_t = std::size_t;
using ssize_t = std::make_signed_t<size_t>;
size_t m_Value;
constexpr Status(size_t value)
: m_Value(value)
{
}
constexpr bool IsError() const
{
return static_cast<ssize_t>(m_Value) < 0;
}
constexpr bool IsWarning() const
{
return m_Value > 0;
}
constexpr bool IsSuccess() const
{
return m_Value == 0;
}
constexpr static Status ErrorStatus(size_t code)
{
auto errorBit = std::numeric_limits<ssize_t>::min();
return Status(static_cast<size_t>(errorBit) | code);
}
constexpr static Status WarningStatus(size_t code)
{
return Status(code);
}
public:
operator size_t() const
{
return m_Value;
}
static const Status Success;
class Warning
{
public:
static const Status UnknownGlyph;
static const Status DeleteFailure;
static const Status WriteFailure;
static const Status BufferTooSmall;
static const Status StaleData;
static const Status FileSystem;
static const Status ResetRequired;
};
class Error
{
public:
static const Status LoadError;
static const Status InvalidParameter;
static const Status Unsupported;
static const Status BadBufferSize;
static const Status BufferTooSmall;
static const Status NotReady;
static const Status DeviceError;
static const Status WriteProtected;
static const Status OutOfResources;
static const Status VolumeCorrupted;
static const Status VolumeFull;
static const Status NoMedia;
static const Status MediaChanged;
static const Status NotFound;
static const Status AccessDenied;
static const Status NoResponse;
static const Status NoMapping;
static const Status Timeout;
static const Status NotStarted;
static const Status AlreadyStarted;
static const Status Aborted;
static const Status IcmpError;
static const Status TftpError;
static const Status ProtocolError;
static const Status IncompatibleVersion;
static const Status SecurityViolation;
static const Status CrcError;
static const Status EndOfMedia;
static const Status EndOfFile;
static const Status InvalidLanguage;
static const Status CompromisedData;
static const Status IpAddressConflict;
static const Status HttpError;
};
};
}
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