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(Swift 3,4,5...) Create more Complex JSON DocumentSample code to create the following JSON document: { "Title": "The Cuckoo's Calling", "Author": "Robert Galbraith", "Genre": "classic crime novel", "Detail": { "Publisher": "Little Brown", "Publication_Year": 2013, "ISBN-13": 9781408704004, "Language": "English", "Pages": 494 }, "Price": [ { "type": "Hardcover", "price": 16.65 }, { "type": "Kindle Edition", "price": 7.00 } ] }
func chilkatTest() { let json = CkoJsonObject()! var success: Bool // The only reason for failure in the following lines of code would be an out-of-memory condition.. // An index value of -1 is used to append at the end. var index: Int = -1 success = json.addString(at: -1, name: "Title", value: "The Cuckoo's Calling") success = json.addString(at: -1, name: "Author", value: "Robert Galbraith") success = json.addString(at: -1, name: "Genre", value: "classic crime novel") // Let's create the Detail JSON object: success = json.add(at: -1, name: "Detail") var detail: CkoJsonObject? = json.object(at: json.size.intValue - 1) success = detail!.addString(at: -1, name: "Publisher", value: "Little Brown") success = detail!.addInt(at: -1, name: "Publication_Year", value: 2013) success = detail!.addNumber(at: -1, name: "ISBN-13", numericStr: "9781408704004") success = detail!.addString(at: -1, name: "Language", value: "English") success = detail!.addInt(at: -1, name: "Pages", value: 494) detail = nil // Add the array for Price success = json.add(at: -1, name: "Price") var aPrice: CkoJsonArray? = json.array(at: json.size.intValue - 1) // Entry entry in aPrice will be a JSON object. // Append a new/empty ojbect to the end of the aPrice array. success = aPrice!.addObject(at: -1) // Get the object that was just appended. var priceObj: CkoJsonObject? = aPrice!.object(at: aPrice!.size.intValue - 1) success = priceObj!.addString(at: -1, name: "type", value: "Hardcover") success = priceObj!.addNumber(at: -1, name: "price", numericStr: "16.65") priceObj = nil success = aPrice!.addObject(at: -1) priceObj = aPrice!.object(at: aPrice!.size.intValue - 1) success = priceObj!.addString(at: -1, name: "type", value: "Kindle Edition") success = priceObj!.addNumber(at: -1, name: "price", numericStr: "7.00") priceObj = nil aPrice = nil json.emitCompact = false print("\(json.emit()!)") } |
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