0001    // FileError.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 System
0026    @_exported import Data
0027    
0028    public enum FileError
File.swift:65
        try FileError.assertNoError()
File.swift:71
        try FileError.assertNoError()
File.swift:97
        try FileError.assertNoError()
File.swift:122
        try FileError.assertNoSendErrorWithData(data, bytesProcessed: bytesProcessed)
File.swift:137
        try FileError.assertNoReceiveErrorWithData(data, bytesProcessed: bytesProcessed)
File.swift:149
        try FileError.assertNoReceiveErrorWithData(data, bytesProcessed: bytesProcessed)
File.swift:170
        try FileError.assertNoError()
File.swift:179
        try FileError.assertNoError()
File.swift:201
            throw FileError.closedFileError
File.swift:217
        try FileError.assertNoError()
File.swift:227
            throw FileError.Unknown(description: "Could not open directory at \(path)")
File.swift:296
                try FileError.assertNoError()
File.swift:300
                throw FileError.FileExists(description: "File exists")
File.swift:304
            try FileError.assertNoError()
File.swift:314
        try FileError.assertNoError()
FileError.swift:37
    static func lastReceiveErrorWithData(source: Data, bytesProcessed: Int) -> FileError {
FileError.swift:42
    static func lastSendErrorWithData(source: Data, bytesProcessed: Int) -> FileError {
FileError.swift:47
    static func lastErrorWithData(data: Data) -> FileError {
FileError.swift:68
    static var lastError: FileError {
FileError.swift:86
        return FileError.ClosedFile(description: "Closed file")
FileError.swift:85
    static var closedFileError: FileError {
FileError.swift:91
            throw FileError.lastError
FileError.swift:97
            throw FileError.lastReceiveErrorWithData(data, bytesProcessed: bytesProcessed)
FileError.swift:103
            throw FileError.lastSendErrorWithData(data, bytesProcessed: bytesProcessed)
FileError.swift:108
extension FileError: CustomStringConvertible {
: ErrorType {
0029        case Unknown
File.swift:227
            throw FileError.Unknown(description: "Could not open directory at \(path)")
FileError.swift:81
            return .Unknown(description: lastErrorDescription)
FileError.swift:111
        case Unknown(let description):
(description: String)
0030        case BrokenPipe(description: String, data: Data)
0031        case ConnectionResetByPeer(description: String, data: Data)
0032        case NoBufferSpaceAvailabe(description: String, data: Data)
0033        case OperationTimedOut(description: String, data: Data)
0034        case ClosedFile
FileError.swift:86
        return FileError.ClosedFile(description: "Closed file")
FileError.swift:121
        case ClosedFile(let description):
(description: String)
0035        case FileExists
File.swift:300
                throw FileError.FileExists(description: "File exists")
FileError.swift:79
            return .FileExists(description: lastErrorDescription)
FileError.swift:123
        case .FileExists(let description):
(description: String)
0036    
0037        static func lastReceiveErrorWithData(source: Data, bytesProcessed: Int) -> FileError {
0038            let data = source.prefix(bytesProcessed)
0039            return lastErrorWithData(data)
0040        }
0041    
0042        static func lastSendErrorWithData(source: Data, bytesProcessed: Int) -> FileError {
0043            let data = source.suffix(bytesProcessed)
0044            return lastErrorWithData(data)
0045        }
0046    
0047        static func lastErrorWithData(data: Data) -> FileError {
0048            switch errno {
0049            case EPIPE:
0050                return .BrokenPipe(description: lastErrorDescription, data: data)
0051            case ECONNRESET:
0052                return .ConnectionResetByPeer(description: lastErrorDescription, data: data)
0053            case ENOBUFS:
0054                return .NoBufferSpaceAvailabe(description: lastErrorDescription, data: data)
0055            case ETIMEDOUT:
0056                return .OperationTimedOut(description: lastErrorDescription, data: data)
0057            case EEXIST:
0058                return .FileExists(description: lastErrorDescription)
0059            default:
0060                return .Unknown(description: lastErrorDescription)
0061            }
0062        }
0063    
0064        static var lastErrorDescription
FileError.swift:79
            return .FileExists(description: lastErrorDescription)
FileError.swift:81
            return .Unknown(description: lastErrorDescription)
: String {
0065            return String.fromCString(strerror(errno))!
0066        }
0067    
0068        static var lastError
FileError.swift:91
            throw FileError.lastError
: FileError {
0069            switch errno {
0070            case EPIPE:
0071                return .BrokenPipe(description: lastErrorDescription, data: nil)
0072            case ECONNRESET:
0073                return .ConnectionResetByPeer(description: lastErrorDescription, data: nil)
0074            case ENOBUFS:
0075                return .NoBufferSpaceAvailabe(description: lastErrorDescription, data: nil)
0076            case ETIMEDOUT:
0077                return .OperationTimedOut(description: lastErrorDescription, data: nil)
0078            case EEXIST:
0079                return .FileExists(description: lastErrorDescription)
0080            default:
0081                return .Unknown(description: lastErrorDescription)
0082            }
0083        }
0084    
0085        static var closedFileError
File.swift:201
            throw FileError.closedFileError
: FileError {
0086            return FileError.ClosedFile(description: "Closed file")
0087        }
0088    
0089        static func assertNoError
File.swift:65
        try FileError.assertNoError()
File.swift:71
        try FileError.assertNoError()
File.swift:97
        try FileError.assertNoError()
File.swift:170
        try FileError.assertNoError()
File.swift:179
        try FileError.assertNoError()
File.swift:217
        try FileError.assertNoError()
File.swift:296
                try FileError.assertNoError()
File.swift:304
            try FileError.assertNoError()
File.swift:314
        try FileError.assertNoError()
() throws {
0090            if errno != 0 {
0091                throw FileError.lastError
0092            }
0093        }
0094    
0095        static func assertNoReceiveErrorWithData(data: Data, bytesProcessed: Int) throws {
0096            if errno != 0 {
0097                throw FileError.lastReceiveErrorWithData(data, bytesProcessed: bytesProcessed)
0098            }
0099        }
0100    
0101        static func assertNoSendErrorWithData(data: Data, bytesProcessed: Int) throws {
0102            if errno != 0 {
0103                throw FileError.lastSendErrorWithData(data, bytesProcessed: bytesProcessed)
0104            }
0105        }
0106    }
0107    
0108    extension FileError: CustomStringConvertible {
0109        public var description: String {
0110            switch self {
0111            case Unknown(let description):
0112                return description
0113            case .BrokenPipe(let description, _):
0114                return description
0115            case ConnectionResetByPeer(let description, _):
0116                return description
0117            case NoBufferSpaceAvailabe(let description, _):
0118                return description
0119            case OperationTimedOut(let description, _):
0120                return description
0121            case ClosedFile(let description):
0122                return description
0123            case .FileExists(let description):
0124                return description
0125            }
0126        }
0127    }
0128