77 lines
2.4 KiB
Swift
77 lines
2.4 KiB
Swift
// MIT License
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// Copyright (c) 2020 Haik Aslanyan
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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import Foundation
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struct RCBitSection {
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var topLevel = [RCBit]()
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var middleLevel = [RCBit]()
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var bottomLevel = [RCBit]()
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}
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struct RCData {
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var firstShard = RCBitSection()
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var secondShard = RCBitSection()
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var thirdShard = RCBitSection()
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var parity = RCBitSection()
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init(_ bits: [RCBit]) {
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let sections = bits.chunked(into: 4).map { sectionBits -> RCBitSection in
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var data = sectionBits
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var section = RCBitSection()
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section.topLevel = Array(data.prefix(RCConstants.topLevelBitesCount))
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data = Array(data.dropFirst(RCConstants.topLevelBitesCount))
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section.middleLevel = Array(data.prefix(RCConstants.middleLevelBitesCount))
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data = Array(data.dropFirst(RCConstants.middleLevelBitesCount))
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section.bottomLevel = data
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return section
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}
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firstShard = sections[0]
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secondShard = sections[1]
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thirdShard = sections[2]
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parity = sections[3]
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}
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}
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final class RCBitGroup1 {
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var bit: RCBit
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var count: Int
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var offset: Int
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init(bit: RCBit, count: Int, offset: Int) {
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self.bit = bit
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self.count = count
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self.offset = offset
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}
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}
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extension RCBitGroup1: CustomDebugStringConvertible {
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var debugDescription: String {
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"bit: \(bit), count: \(count), offset: \(offset) \n"
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}
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}
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