0001    /*
0002     The MIT License (MIT)
0003    
0004     Copyright (c) 2015 Shun Takebayashi
0005    
0006     Permission is hereby granted, free of charge, to any person obtaining a copy
0007     of this software and associated documentation files (the "Software"), to deal
0008     in the Software without restriction, including without limitation the rights
0009     to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
0010     copies of the Software, and to permit persons to whom the Software is
0011     furnished to do so, subject to the following conditions:
0012    
0013     The above copyright notice and this permission notice shall be included in all
0014     copies or substantial portions of the Software.
0015    
0016     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
0017     IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
0018     FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
0019     AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
0020     LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
0021     OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
0022     SOFTWARE.
0023    */
0024    
0025    public struct HTTPRequest
HTTPRequest.swift:57
        static func parse<R: Reader where R.Entry == Int8>(reader: R) throws -> HTTPRequest {
HTTPRequest.swift:108
            return HTTPRequest(method: parsedMethod, path: parsedPath, version: parsedVersion, headers: headers, body: body)
HTTPServer.swift:31
public typealias HTTPHandler = (HTTPRequest, HTTPResponseWriter) throws -> ()
HTTPServer.swift:65
                try handler(HTTPRequest.Parser.parse(reader), writer)
 {
0026    
0027        public let method
HTTPRequest.swift:34
        self.method = method
: String
0028        public let path
HTTPRequest.swift:35
        self.path = path
: String
0029        public let proto
HTTPRequest.swift:36
        self.proto = version
: String
0030        public let headers
HTTPRequest.swift:37
        self.headers = headers
: [String: String]
0031        public let body
HTTPRequest.swift:38
        self.body = body
: [Int8]
0032    
0033        init
HTTPRequest.swift:108
            return HTTPRequest(method: parsedMethod, path: parsedPath, version: parsedVersion, headers: headers, body: body)
(method: String, path: String, version: String, headers: [String: String], body: [Int8]) {
0034            self.method = method
0035            self.path = path
0036            self.proto = version
0037            self.headers = headers
0038            self.body = body
0039        }
0040    
0041    
0042        class Parser
HTTPServer.swift:65
                try handler(HTTPRequest.Parser.parse(reader), writer)
 {
0043    
0044            static let CRLF
HTTPRequest.swift:70
                let str = (String.fromCString(bytes) ?? "").trimRight(CRLF)
 = Character("\r\n")
0045    
0046            enum Mode
HTTPRequest.swift:59
            var mode = Mode.First
 {
0047                case First
HTTPRequest.swift:59
            var mode = Mode.First
HTTPRequest.swift:72
                case .First:

0048                case Header
HTTPRequest.swift:77
                    mode = .Header
HTTPRequest.swift:78
                case .Header:

0049                case Empty
HTTPRequest.swift:80
                        mode = .Empty
HTTPRequest.swift:88
                case .Empty:

0050                case Body
HTTPRequest.swift:89
                    mode = .Body
HTTPRequest.swift:91
                case .Body:

0051            }
0052    
0053            enum ParserError
HTTPRequest.swift:97
                throw ParserError.InvalidRequest(details: "Missing HTTP request method")
HTTPRequest.swift:101
                throw ParserError.InvalidRequest(details: "Missing HTTP request path")
HTTPRequest.swift:105
                throw ParserError.InvalidRequest(details: "Missing HTTP request version")
: ErrorType {
0054                case InvalidRequest
HTTPRequest.swift:97
                throw ParserError.InvalidRequest(details: "Missing HTTP request method")
HTTPRequest.swift:101
                throw ParserError.InvalidRequest(details: "Missing HTTP request path")
HTTPRequest.swift:105
                throw ParserError.InvalidRequest(details: "Missing HTTP request version")
HTTPServer.swift:73
            catch let HTTPRequest.Parser.ParserError.InvalidRequest(details: details) {
(details: String)
0055            }
0056    
0057            static func parse
HTTPServer.swift:65
                try handler(HTTPRequest.Parser.parse(reader), writer)
<R: Reader where R.Entry == Int8>(reader: R) throws -> HTTPRequest {
0058                let bufferedReader = BufferedReader(reader: reader)
0059                var mode = Mode.First
0060    
0061                var method: String?
0062                var path: String?
0063                var version: String?
0064                var headers = [String: String]()
0065                var body = [Int8]()
0066    
0067                while let line = try bufferedReader.read() {
0068                    var bytes = line
0069                    bytes.append(0)
0070                    let str = (String.fromCString(bytes) ?? "").trimRight(CRLF)
0071                    switch mode {
0072                    case .First:
0073                        let fields = str.characters.split(" ", maxSplit: 3, allowEmptySlices: true)
0074                        method = String(fields[0])
0075                        path = String(fields[1])
0076                        version = String(fields[2])
0077                        mode = .Header
0078                    case .Header:
0079                        if str.isEmpty {
0080                            mode = .Empty
0081                        }
0082                        else {
0083                            let field = str.characters.split(":", maxSplit: 2, allowEmptySlices: true)
0084                            let name = String(field[0])
0085                            let value = String(field[1]).trimLeft(" ", maxCount: 1)
0086                            headers[name] = value
0087                        }
0088                    case .Empty:
0089                        mode = .Body
0090                        fallthrough
0091                    case .Body:
0092                        body.appendContentsOf(line)
0093                    }
0094                }
0095    
0096                guard let parsedMethod = method else {
0097                    throw ParserError.InvalidRequest(details: "Missing HTTP request method")
0098                }
0099    
0100                guard let parsedPath = path else {
0101                    throw ParserError.InvalidRequest(details: "Missing HTTP request path")
0102                }
0103    
0104                guard let parsedVersion = version else {
0105                    throw ParserError.InvalidRequest(details: "Missing HTTP request version")
0106                }
0107    
0108                return HTTPRequest(method: parsedMethod, path: parsedPath, version: parsedVersion, headers: headers, body: body)
0109            }
0110    
0111        }
0112    
0113    }
0114    
0115