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Merge pull request #45 from snofla/feature/uuid-to-uint128-vice-versa
Allow conversions UUID <-> UInt128
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,46 @@ | ||
| // | ||
| // UInt128+UUID.swift | ||
| // UInt128 | ||
| // | ||
| // Created by Alfons Hoogervorst on 15/08/2023. | ||
| // | ||
| // 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. | ||
|
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| import Foundation | ||
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| extension UInt128 { | ||
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| /// Creates a UInt128 from a UUID. Since a UUID is always 128 bits, | ||
| /// no truncation is needed. | ||
| public init(uuid: UUID) { | ||
| let val = uuid.uuid | ||
| let lowerBits: UInt64 = UInt64(val.0) << (0 * 8) | | ||
| UInt64(val.1) << (1 * 8) | | ||
| UInt64(val.2) << (2 * 8) | | ||
| UInt64(val.3) << (3 * 8) | | ||
| UInt64(val.4) << (4 * 8) | | ||
| UInt64(val.5) << (5 * 8) | | ||
| UInt64(val.6) << (6 * 8) | | ||
| UInt64(val.7) << (7 * 8) | ||
| let upperBits: UInt64 = UInt64(val.8) << (0 * 8) | | ||
| UInt64(val.9) << (1 * 8) | | ||
| UInt64(val.10) << (2 * 8) | | ||
| UInt64(val.11) << (3 * 8) | | ||
| UInt64(val.12) << (4 * 8) | | ||
| UInt64(val.13) << (5 * 8) | | ||
| UInt64(val.14) << (6 * 8) | | ||
| UInt64(val.15) << (7 * 8) | ||
| self = .init(upperBits: upperBits, lowerBits: lowerBits) | ||
| } | ||
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||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| // | ||
| // UUID+UInt128.swift | ||
| // UInt128 | ||
| // | ||
| // Created by Alfons Hoogervorst on 15/08/2023. | ||
| // | ||
| // 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. | ||
|
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| import Foundation | ||
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| extension UUID { | ||
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| /// Creates a UUID representation of a UInt128. Since a UUID is always | ||
| /// 128 bits, no truncation occurs. | ||
| public init(_ longInt: UInt128) { | ||
| let lowerBits = longInt.value.lowerBits | ||
| let upperBits = longInt.value.upperBits | ||
| let val: uuid_t = ( | ||
| UInt8((lowerBits >> (0 * 8)) & 0xFF), | ||
| UInt8((lowerBits >> (1 * 8)) & 0xFF), | ||
| UInt8((lowerBits >> (2 * 8)) & 0xFF), | ||
| UInt8((lowerBits >> (3 * 8)) & 0xFF), | ||
| UInt8((lowerBits >> (4 * 8)) & 0xFF), | ||
| UInt8((lowerBits >> (5 * 8)) & 0xFF), | ||
| UInt8((lowerBits >> (6 * 8)) & 0xFF), | ||
| UInt8((lowerBits >> (7 * 8)) & 0xFF), | ||
| UInt8((upperBits >> (0 * 8)) & 0xFF), | ||
| UInt8((upperBits >> (1 * 8)) & 0xFF), | ||
| UInt8((upperBits >> (2 * 8)) & 0xFF), | ||
| UInt8((upperBits >> (3 * 8)) & 0xFF), | ||
| UInt8((upperBits >> (4 * 8)) & 0xFF), | ||
| UInt8((upperBits >> (5 * 8)) & 0xFF), | ||
| UInt8((upperBits >> (6 * 8)) & 0xFF), | ||
| UInt8((upperBits >> (7 * 8)) & 0xFF) | ||
| ) | ||
| self = .init(uuid: val) | ||
| } | ||
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| } |
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