// Copyright 2017 The Chromium Authors. All rights reserved.
// Copyright (C) 2018 Apple Inc. All rights reserved.
//
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#pragma once

#if ENABLE(WEB_AUTHN)

#include <stdint.h>

namespace cbor {

namespace constants {

// Mask selecting the low-order 5 bits of the "initial byte", which is where
// the additional information is encoded.
static constexpr uint8_t kAdditionalInformationMask = 0x1F;
// Mask selecting the high-order 3 bits of the "initial byte", which indicates
// the major type of the encoded value.
static constexpr uint8_t kMajorTypeMask = 0xE0;
// Indicates the number of bits the "initial byte" needs to be shifted to the
// right after applying |kMajorTypeMask| to produce the major type in the
// lowermost bits.
static constexpr uint8_t kMajorTypeBitShift = 5u;
// Indicates the integer is in the following byte.
static constexpr uint8_t kAdditionalInformation1Byte = 24u;
// Indicates the integer is in the next 2 bytes.
static constexpr uint8_t kAdditionalInformation2Bytes = 25u;
// Indicates the integer is in the next 4 bytes.
static constexpr uint8_t kAdditionalInformation4Bytes = 26u;
// Indicates the integer is in the next 8 bytes.
static constexpr uint8_t kAdditionalInformation8Bytes = 27u;

} // namespace constants

} // namespace cbor

#endif // ENABLE(WEB_AUTHN)