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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| // | ||
| // Data.swift | ||
| // IPSWDownloads | ||
| // | ||
| // Created by Data.swift | ||
| // Copyright © 2024 BrightDigit. | ||
| // | ||
| // Permission is hereby granted, free of charge, to any person | ||
| // obtaining a copy of this software and associated documentation | ||
| // files (the “Software”), to deal in the Software without | ||
| // restriction, including without limitation the rights to use, | ||
| // copy, modify, merge, publish, distribute, sublicense, and/or | ||
| // sell copies of the Software, and to permit persons to whom the | ||
| // Software is furnished to do so, subject to the following | ||
| // conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be | ||
| // included in all copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, | ||
| // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES | ||
| // OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | ||
| // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT | ||
| // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, | ||
| // WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | ||
| // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | ||
| // OTHER DEALINGS IN THE SOFTWARE. | ||
| // | ||
|
|
||
| import Foundation | ||
| extension Data { | ||
| internal init(hexString: String) throws { | ||
| var data = Data(capacity: hexString.count / 2) | ||
|
|
||
| var index = hexString.startIndex | ||
| while index < hexString.endIndex { | ||
| let byteString = hexString[index ..< hexString.index(index, offsetBy: 2)] | ||
| if let byte = UInt8(byteString, radix: 16) { | ||
| data.append(byte) | ||
| } else { | ||
| throw RuntimeError.invalidDataHexString(hexString) | ||
| } | ||
| index = hexString.index(index, offsetBy: 2) | ||
| } | ||
|
|
||
| self = data | ||
| } | ||
|
|
||
| internal init?(hexString: String, emptyIsNil: Bool) throws { | ||
| if emptyIsNil, hexString.isEmpty { | ||
| return nil | ||
| } | ||
|
|
||
| try self.init(hexString: hexString) | ||
| } | ||
| } |
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