mirror of
https://github.com/yonaskolb/XcodeGen.git
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67 lines
1.9 KiB
Swift
67 lines
1.9 KiB
Swift
//
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// Decoding.swift
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// XcodeGen
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//
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// Created by Yonas Kolb on 19/5/17.
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//
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//
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import Foundation
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import JSONUtilities
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import PathKit
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import Yams
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extension Dictionary where Key: JSONKey {
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public func json<T: NamedJSONDictionaryConvertible>(atKeyPath keyPath: JSONUtilities.KeyPath, invalidItemBehaviour: InvalidItemBehaviour<T> = .remove) throws -> [T] {
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guard let dictionary = json(atKeyPath: keyPath) as JSONDictionary? else {
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return []
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}
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var items: [T] = []
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for (key, _) in dictionary {
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let jsonDictionary: JSONDictionary = try dictionary.json(atKeyPath: .key(key))
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let item = try T(name: key, jsonDictionary: jsonDictionary)
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items.append(item)
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}
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return items
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}
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public func json<T: NamedJSONConvertible>(atKeyPath keyPath: JSONUtilities.KeyPath, invalidItemBehaviour: InvalidItemBehaviour<T> = .remove) throws -> [T] {
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guard let dictionary = json(atKeyPath: keyPath) as JSONDictionary? else {
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return []
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}
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var items: [T] = []
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for (key, value) in dictionary {
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let item = try T(name: key, json: value)
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items.append(item)
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}
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return items
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}
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}
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public protocol NamedJSONDictionaryConvertible {
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init(name: String, jsonDictionary: JSONDictionary) throws
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}
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public protocol NamedJSONConvertible {
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init(name: String, json: Any) throws
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}
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extension JSONObjectConvertible {
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public init(path: Path) throws {
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let content: String = try path.read()
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if content == "" {
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try self.init(jsonDictionary: [:])
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return
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}
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let yaml = try Yams.load(yaml: content)
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guard let jsonDictionary = yaml as? JSONDictionary else {
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throw JSONUtilsError.fileNotAJSONDictionary
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}
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try self.init(jsonDictionary: jsonDictionary)
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}
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}
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