(Swift) batchGet (Read Multiple Ranges)

Reads multiple ranges from a Google Sheets spreadsheet in one GET request.

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func chilkatTest() {
    //  This example requires the Chilkat API to have been previously unlocked.
    //  See Global Unlock Sample for sample code.

    //  This example uses a previously obtained access token having permission for the
    //  Google Sheets scope.

    //  In this example, Get Google Sheets OAuth2 Access Token, the access
    //  token was saved to a JSON file.  This example fetches the access token from the file..
    let jsonToken = CkoJsonObject()
    var success: Bool = jsonToken.LoadFile("qa_data/tokens/googleSheets.json")
    if jsonToken.HasMember("access_token") == false {
        print("No access token found.")
        return
    }

    //  We'll be sending a GET request with query params to this URL:  https://sheets.googleapis.com/v4/spreadsheets/spreadsheetId/values:batchGet?ranges=Sheet1!A1:A2&ranges=Sheet1!B1:B2
    //  The domain is "sheets.googleapis.com"
    //  The path is "/v4/spreadsheets/spreadsheetId/values:batchGet"
    let req = CkoHttpRequest()
    req.Path = "/v4/spreadsheets/spreadsheetId/values:batchGet"
    req.HttpVerb = "GET"
    //  Add each range to fetch.
    req.AddParam("ranges", value: "Sheet1!A1:A2")
    req.AddParam("ranges", value: "Sheet1!B1:B2")

    let http = CkoHttp()
    http.AuthToken = jsonToken.StringOf("access_token")

    //  443 is the SSL/TLS port for HTTPS.
    var resp: CkoHttpResponse? = http.SynchronousRequest("sheets.googleapis.com", port: 443, ssl: true, req: req)
    if http.LastMethodSuccess != true {
        print("\(http.LastErrorText)")
        return
    }

    print("\(resp!.BodyStr)")

    let json = CkoJsonObject()
    json.Load(resp!.BodyStr)

    resp = nil

    //  A sample response is shown below.
    //  To generate the parsing source code for a JSON response, paste
    //  the JSON into this online tool: Generate JSON parsing code

    //  {
    //    "spreadsheetId": "1_SO2L-Y6nCayNpNppJLF0r9yHB2UnaCleGCKeE4O0SA",
    //    "valueRanges": [
    //      {
    //        "range": "Sheet1!A1:A2",
    //        "majorDimension": "ROWS",
    //        "values": [
    //          [
    //            "Item"
    //          ],
    //          [
    //            "Wheel"
    //          ]
    //        ]
    //      },
    //      {
    //        "range": "Sheet1!B1:B2",
    //        "majorDimension": "ROWS",
    //        "values": [
    //          [
    //            "Cost"
    //          ],
    //          [
    //            "$20.50"
    //          ]
    //        ]
    //      }
    //    ]
    //  }

    var i: Int
    var count_i: Int
    var j: Int
    var count_j: Int
    var k: Int
    var count_k: Int

    var spreadsheetId: String? = json.StringOf("spreadsheetId")
    i = 0
    count_i = json.SizeOfArray("valueRanges").intValue
    while i < count_i {
        json.I = i
        var range: String? = json.StringOf("valueRanges[i].range")
        var majorDimension: String? = json.StringOf("valueRanges[i].majorDimension")
        j = 0
        count_j = json.SizeOfArray("valueRanges[i].values").intValue
        while j < count_j {
            json.J = j
            k = 0
            count_k = json.SizeOfArray("valueRanges[i].values[j]").intValue
            while k < count_k {
                json.K = k
                var strVal: String? = json.StringOf("valueRanges[i].values[j][k]")
                k = k + 1
            }

            j = j + 1
        }

        i = i + 1
    }


}