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Timofey Solomko
22 lines
658 B
Swift
22 lines
658 B
Swift
// Copyright (c) 2021 Timofey Solomko
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// Licensed under MIT License
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//
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// See LICENSE for license information
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import Foundation
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// Deflate specific functions for generation of HuffmanLength arrays from different inputs.
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extension Deflate {
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// TODO: Make this work for both arrays and array slices.
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/// - Note: Skips zero codeLengths.
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static func lengths(from orderedCodeLengths: [Int]) -> [CodeLength] {
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var lengths = [CodeLength]()
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for (i, codeLength) in orderedCodeLengths.enumerated() where codeLength > 0 {
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lengths.append(CodeLength(symbol: i, codeLength: codeLength))
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}
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return lengths
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}
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}
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