Project Setup
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manaknightdev
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//
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// ToJSON.swift
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// ObjectMapper
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//
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// Created by Tristan Himmelman on 2014-10-13.
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//
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// The MIT License (MIT)
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//
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// Copyright (c) 2014-2018 Tristan Himmelman
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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import Foundation
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private func setValue(_ value: Any, map: Map) {
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setValue(value, key: map.currentKey!, checkForNestedKeys: map.keyIsNested, delimiter: map.nestedKeyDelimiter, dictionary: &map.JSON)
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}
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private func setValue(_ value: Any, key: String, checkForNestedKeys: Bool, delimiter: String, dictionary: inout [String : Any]) {
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if checkForNestedKeys {
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let keyComponents = ArraySlice(key.components(separatedBy: delimiter).filter { !$0.isEmpty }.map { $0 })
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setValue(value, forKeyPathComponents: keyComponents, dictionary: &dictionary)
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} else {
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dictionary[key] = value
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}
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}
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private func setValue(_ value: Any, forKeyPathComponents components: ArraySlice<String>, dictionary: inout [String : Any]) {
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guard let head = components.first else {
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return
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}
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let headAsString = String(head)
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if components.count == 1 {
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dictionary[headAsString] = value
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} else {
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var child = dictionary[headAsString] as? [String : Any] ?? [:]
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let tail = components.dropFirst()
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setValue(value, forKeyPathComponents: tail, dictionary: &child)
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dictionary[headAsString] = child
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}
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}
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internal final class ToJSON {
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class func basicType<N>(_ field: N, map: Map) {
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if let x = field as Any? , false
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|| x is NSNumber // Basic types
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|| x is Bool
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|| x is Int
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|| x is Double
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|| x is Float
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|| x is String
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|| x is NSNull
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|| x is Array<NSNumber> // Arrays
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|| x is Array<Bool>
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|| x is Array<Int>
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|| x is Array<Double>
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|| x is Array<Float>
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|| x is Array<String>
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|| x is Array<Any>
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|| x is Array<Dictionary<String, Any>>
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|| x is Dictionary<String, NSNumber> // Dictionaries
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|| x is Dictionary<String, Bool>
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|| x is Dictionary<String, Int>
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|| x is Dictionary<String, Double>
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|| x is Dictionary<String, Float>
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|| x is Dictionary<String, String>
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|| x is Dictionary<String, Any>
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{
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setValue(x, map: map)
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}
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}
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class func optionalBasicType<N>(_ field: N?, map: Map) {
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if let field = field {
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basicType(field, map: map)
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} else if map.shouldIncludeNilValues {
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basicType(NSNull(), map: map) //If BasicType is nil, emit NSNull into the JSON output
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}
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}
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class func object<N: BaseMappable>(_ field: N, map: Map) {
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if let result = Mapper(context: map.context, shouldIncludeNilValues: map.shouldIncludeNilValues).toJSON(field) as Any? {
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setValue(result, map: map)
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}
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}
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class func optionalObject<N: BaseMappable>(_ field: N?, map: Map) {
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if let field = field {
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object(field, map: map)
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} else if map.shouldIncludeNilValues {
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basicType(NSNull(), map: map) //If field is nil, emit NSNull into the JSON output
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}
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}
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class func objectArray<N: BaseMappable>(_ field: Array<N>, map: Map) {
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let JSONObjects = Mapper(context: map.context, shouldIncludeNilValues: map.shouldIncludeNilValues).toJSONArray(field)
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setValue(JSONObjects, map: map)
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}
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class func optionalObjectArray<N: BaseMappable>(_ field: Array<N>?, map: Map) {
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if let field = field {
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objectArray(field, map: map)
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}
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}
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class func twoDimensionalObjectArray<N: BaseMappable>(_ field: Array<Array<N>>, map: Map) {
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var array = [[[String: Any]]]()
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for innerArray in field {
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let JSONObjects = Mapper(context: map.context, shouldIncludeNilValues: map.shouldIncludeNilValues).toJSONArray(innerArray)
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array.append(JSONObjects)
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}
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setValue(array, map: map)
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}
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class func optionalTwoDimensionalObjectArray<N: BaseMappable>(_ field: Array<Array<N>>?, map: Map) {
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if let field = field {
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twoDimensionalObjectArray(field, map: map)
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}
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}
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class func objectSet<N: BaseMappable>(_ field: Set<N>, map: Map) {
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let JSONObjects = Mapper(context: map.context, shouldIncludeNilValues: map.shouldIncludeNilValues).toJSONSet(field)
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setValue(JSONObjects, map: map)
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}
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class func optionalObjectSet<N: BaseMappable>(_ field: Set<N>?, map: Map) {
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if let field = field {
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objectSet(field, map: map)
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}
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}
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class func objectDictionary<N: BaseMappable>(_ field: Dictionary<String, N>, map: Map) {
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let JSONObjects = Mapper(context: map.context, shouldIncludeNilValues: map.shouldIncludeNilValues).toJSONDictionary(field)
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setValue(JSONObjects, map: map)
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}
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class func optionalObjectDictionary<N: BaseMappable>(_ field: Dictionary<String, N>?, map: Map) {
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if let field = field {
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objectDictionary(field, map: map)
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}
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}
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class func objectDictionaryOfArrays<N: BaseMappable>(_ field: Dictionary<String, [N]>, map: Map) {
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let JSONObjects = Mapper(context: map.context, shouldIncludeNilValues: map.shouldIncludeNilValues).toJSONDictionaryOfArrays(field)
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setValue(JSONObjects, map: map)
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}
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class func optionalObjectDictionaryOfArrays<N: BaseMappable>(_ field: Dictionary<String, [N]>?, map: Map) {
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if let field = field {
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objectDictionaryOfArrays(field, map: map)
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}
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}
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}
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