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swift-idl
@matuyuji
ؔϞόΠϧΞϓϦݚڀձ #4
2015.7.21
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@matuyuji
safx-dev.blogspot.jp
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JSON Libraries
• Himotoki
• Decodable
• Argo
• JSONHelper
• ObjectMapper
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Decodable
struct FileEntry {
let fileName: String
let size: Int
}
extension FileEntry: Decodable {
static func decode(j: AnyObject) throws -> FileEntry {
return try Repository(
fileName: j => “file-name",
size: j => "size",
)
}
}
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• DRYత͡Όͳ͍
• JSONϥΠϒϥϦ͕ཉ͍͠Θ͚͡Όͳ͍
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Golang
type FileEntry struct {
FileName string `json:"file-name"`
Size int `json:"size"`
}
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ཉ͍͠ͷ
• REST APIΫϥΠΞϯτΛָʹߏங͍ͨ͠
• DRYతͳͷ
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safx/swift-idl
struct FileEntry:
JSONDecodable, JSONEncodable, Printable {
let fileName: String // json:"file-name"
let size : Int
}
python swift-idl.py MyProj.xcodeproj
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public struct FileEntry: JSONDecodable, JSONEncodable, CustomStringConvertible {
public let fileName: String // json:"file-name"
public let size : Int
public static func parseJSON(data: AnyObject) throws -> FileEntry {
if !(data is NSDictionary) {
throw JSONDecodeError.TypeMismatch(key: "FileEntry", type: "NSDictionary")
}
let fileName: String
if let v: AnyObject = data["file-name"] {
if v is NSNull {
throw JSONDecodeError.NonNullablle(key: "file-name")
} else {
do {
fileName = try String.parseJSON(v)
} catch JSONDecodeError.ValueTranslationFailed {
throw JSONDecodeError.TypeMismatch(key: "file-name", type: "String")
}
}
} else {
throw JSONDecodeError.MissingKey(key: "file-name")
}
let size: Int
if let v: AnyObject = data["size"] {
if v is NSNull {
throw JSONDecodeError.NonNullablle(key: "size")
} else {
do {
size = try Int.parseJSON(v)
} catch JSONDecodeError.ValueTranslationFailed {
throw JSONDecodeError.TypeMismatch(key: "size", type: "Int")
}
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Protocols
protocol Printable {}
protocol NSCoding {}
protocol JSONEncodable {}
protocol JSONDecodable {}
protocol URLRequestHelper {}
protocol ClassInit {}
protocol EnumStaticInit {}
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URLRequestHelper
enum Router: URLRequestHelper {
case GetProfile // router:",profile"
case GetMessages(topicId: TopicID, // router:"GET,topics/\(topicId)"
count: Int?)
case PostMessage(topicId: TopicID, // router:"POST,topics/\(topicId)"
message: String, replyTo: Int?)
}
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public enum Router {
case GetProfile
case GetMessages(topicId: TopicID, count: Int?)
case PostMessage(topicId: TopicID, message: String, replyTo: Int?)
public var method: String {
switch self {
case .GetProfile: return "GET"
case .GetMessages: return "GET"
case .PostMessage: return "POST"
}
}
public var path: String {
switch self {
case .GetProfile: return "profile"
case .GetMessages(let (topicId, _)): return "topics/\(topicId)"
case .PostMessage(let (topicId, _, _)): return "topics/\(topicId)"
}
}
public var params: [String: AnyObject] {
switch self {
case .GetProfile:
return [:]
case .GetMessages(let (_, count)):
var p: [String: AnyObject] = [:]
count.map { p["count"] = $0.toJSON() }
return p
case .PostMessage(let (_, message, replyTo)):
var p: [String: AnyObject] = ["message": message.toJSON()]
replyTo.map { p["replyTo"] = $0.toJSON() }
return p
}
}
}
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Install & Setting
• brew install sourcekitten
• github clone https://github.com/safx/swift-idl.git
TypetalkKit
swift-2.0
Xcode 6.4
Xcode 7