How do I split a JSON object into an array of tuples?

In Swift, is it possible to String

parse representing a JSON object that only contains strings in Array

tuples [(String, String)]

(not a Dictionary<String, String>

)?

I am programming an iPhone application to redirect a designated post response from my server to Amazon S3, which requires clients to preserve field order.

This is an example JSON string with spaces appended to represent:

{
    "policy": "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",
    "x-amz-algorithm": "AWS4-HMAC-SHA256",
    "x-amz-credential": "AKIAIOSFODNN7EXAMPLE/20130721/us-east-1/s3/aws4_request",
    "x-amz-date": "20130721T201207Z",
    "x-amz-signature": "733255ef022bec3f2a8701cd61d4b371f3f28c9f193a1f02279211d48d5193d7"
}

      

        
        
        
      

    

According to Amazon S3: API Reference: Browser-Based Load Authentication Requests Using POST , I find it safe to assume that none of the strings will contain "

, :

or whitespace.

So I guess my question is, how do I parse a string like the one above into Array

tuples [(String, String)]

?