0001 // FileStream.swift 0002 // 0003 // The MIT License (MIT) 0004 // 0005 // Copyright (c) 2015 Zewo 0006 // 0007 // Permission is hereby granted, free of charge, to any person obtaining a copy 0008 // of this software and associated documentation files (the "Software"), to deal 0009 // in the Software without restriction, including without limitation the rights 0010 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 0011 // copies of the Software, and to permit persons to whom the Software is 0012 // furnished to do so, subject to the following conditions: 0013 // 0014 // The above copyright notice and this permission notice shall be included in all 0015 // copies or substantial portions of the Software. 0016 // 0017 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 0018 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 0019 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 0020 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 0021 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 0022 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 0023 // SOFTWARE. 0024 0025 @_exported import Stream 0026 0027 public final class FileStream: StreamType { 0028 private let file: File 0029 public let metadata: [String: Any] = [:] 0030 0031 public var lowWaterMark
FileStream.swift:35 return file.closedFileStream.swift:39 self.file = fileFileStream.swift:47 if file.eof {FileStream.swift:48 file.close()FileStream.swift:83 return file.close(): Int 0032 public var highWaterMark
FileStream.swift:40 self.lowWaterMark = lowWaterMark: Int 0033 0034 public var closed
FileStream.swift:41 self.highWaterMark = highWaterMark: Bool { 0035 return file.closed 0036 } 0037 0038 public init(file: File, lowWaterMark: Int = 1, highWaterMark: Int = 4096) { 0039 self.file = file 0040 self.lowWaterMark = lowWaterMark 0041 self.highWaterMark = highWaterMark 0042 } 0043 0044 public func receive() throws -> Data { 0045 try assertNotClosed() 0046 do { 0047 if file.eof { 0048 file.close() 0049 return [] 0050 } else { 0051 return try file.read(lowWaterMark: lowWaterMark, highWaterMark: highWaterMark) 0052 } 0053 } catch FileError.ConnectionResetByPeer(_, let data) { 0054 throw StreamError.ClosedStream(data: data) 0055 } catch FileError.BrokenPipe(_, let data) { 0056 throw StreamError.ClosedStream(data: data) 0057 } 0058 } 0059 0060 public func send(data: Data) throws { 0061 try assertNotClosed() 0062 do { 0063 try file.write(data, flush: false) 0064 } catch FileError.ConnectionResetByPeer(_, let data) { 0065 throw StreamError.ClosedStream(data: data) 0066 } catch FileError.BrokenPipe(_, let data) { 0067 throw StreamError.ClosedStream(data: data) 0068 } 0069 } 0070 0071 public func flush() throws { 0072 try assertNotClosed() 0073 do { 0074 try file.flush() 0075 } catch FileError.ConnectionResetByPeer(_, let data) { 0076 throw StreamError.ClosedStream(data: data) 0077 } catch FileError.BrokenPipe(_, let data) { 0078 throw StreamError.ClosedStream(data: data) 0079 } 0080 } 0081 0082 public func close() -> Bool { 0083 return file.close() 0084 } 0085 0086 private func assertNotClosed
FileStream.swift:87 if closed {() throws { 0087 if closed { 0088 throw StreamError.ClosedStream(data: nil) 0089 } 0090 } 0091 }
FileStream.swift:45 try assertNotClosed()FileStream.swift:61 try assertNotClosed()FileStream.swift:72 try assertNotClosed()