Ihar Katkavets
47 lines
1.7 KiB
Swift
47 lines
1.7 KiB
Swift
//
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// MIT License
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//
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// Copyright (c) 2023 Ihar Katkavets
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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import Foundation
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public protocol InputStream {
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var hasBytesAvailable: Bool { get }
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func open() throws
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func read(_ toBuffer: UnsafeMutablePointer<UInt8>, maxLength len: Int) throws -> Int
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func close()
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}
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public extension InputStream {
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func readToEnd(_ chunkLen: Int = 1<<15) throws -> Data {
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var result = Data()
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var tmpBuffer = Array<UInt8>(repeating: 0, count: chunkLen)
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while hasBytesAvailable {
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let readLen = try read(&tmpBuffer, maxLength: chunkLen)
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result.append(&tmpBuffer, count: readLen)
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}
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return result
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}
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}
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