// The following creates a CBOR map and adds
// several kinds of objects to it
var cbor = CBORObject.NewMap()
   .Add("item", "any string")
   .Add("number", 42)
   .Add("map", CBORObject.NewMap().Add("number", 42))
   .Add("array", CBORObject.NewArray().Add(999f).Add("xyz"))
   .Add("bytes", new byte[] { 0, 1, 2 });
// The following converts the map to CBOR
byte[] bytes = cbor.EncodeToBytes();
// The following converts the map to JSON
string json = cbor.ToJSONString();
Console.WriteLine(json);

// The following creates a CBOR map and adds
// several kinds of objects to it
var cbor = CBORObject.NewMap()
   .Add("item", "any string")
   .Add("foo", "another string")
   .Add("quux", "a third string");
// The following converts the map to canonical CBOR
byte[] bytes = cbor.EncodeToBytes(CBOREncodeOptions.DefaultCtap2Canonical);
// The following converts the map to a dictionary
var dict = cbor.ToObject<IDictionary<string,string>>();
Console.WriteLine(dict.Count);

 // Read all the bytes from a file and decode the CBOR object
 // from it.  However, there are two disadvantages to this approach:
 // 1.  The byte array might be very huge, so a lot of memory to store
 // the array may be needed.
 // 2.  The decoding will succeed only if the entire array,
 // not just the start of the array, consists of a CBOR object.
 var cbor = CBORObject.DecodeFromBytes(
    File.ReadAllBytes("object.cbor"), CBOREncodeOptions.Default);

 // C#
 // Open the file stream
 using (var stream = new FileStream("object.cbor", FileMode.Open)) {
    // Read the CBOR object from the stream
    var cbor = CBORObject.Read(stream);
    // At this point, the object is read, but the file stream might
    // not have ended yet.  Here, the code may choose to read another
    // CBOR object, check for the end of the stream, or just ignore the
    // rest of the file.  The following is an example of checking for the
    // end of the stream.
    if (stream.Position != stream.Length) {
      // The end of the stream wasn't reached yet.
    } else {
      // The end of the stream was reached.
    }
 }

 // C#
 // Create a memory stream with a view of the byte array
 using (var stream = new MemoryStream(byteArray)) {
    // Read the CBOR object from the stream
    var cbor = CBORObject.Read(stream);
    // The rest of the example follows the one given above.
 }

// This example assumes that the variable "cbor" refers
// to a CBORObject object.
using (var stream = new FileStream("object.cbor", FileMode.Create)) {
   cbor.WriteTo(stream);
}

// C#
// This example writes a sequence of objects in CBOR
// format to the same file.
using (var stream = new FileStream("object.cborseq", FileMode.Create)) {
   CBORObject.Write(true, stream);
   CBORObject.Write(422.5, stream);
   CBORObject.Write("some string", stream);
   CBORObject.Write(CBORObject.Undefined, stream);
   CBORObject.NewArray().Add(42).WriteTo(stream);
}

 // Open the file stream
 using (var stream = new FileStream("object.json", FileMode.Open)) {
    // Read the JSON object from the stream
    // as a CBOR object
    var cbor = CBORObject.ReadJSON(stream);
 }

// This example assumes that the variable "cbor" refers
// to a CBORObject object.
// NOTE: Specifying Encoding.UTF8 as the third parameter
// would add a byte order mark to the beginning of the text,
// but conforming JSON implementations are forbidden from
// adding it this way in JSON texts they generate.
File.WriteAllText(
  "object.json",
  cbor.ToJSONString(),
  new System.Text.Encoding.UTF8Encoding(false));

// This is an alternative way to write the CBOR object
// and is supported since version 1.2.
using (var stream = new FileStream("object2.json", FileMode.Create)) {
    // Write the CBOR object as JSON; here, a byte order
    // mark won't be added
    cbor.WriteJSONTo(stream);
}
// Version 1.2 and later support a third way to write
// objects to JSON: the CBORObject.WriteJSON method
using (var stream = new FileStream("object3.json", FileMode.Create)) {
   CBORObject.WriteJSON("some string", stream);
}
using (var stream = new FileStream("object4.json", FileMode.Create)) {
   CBORObject.WriteJSON(cbor, stream);
}
using (var stream = new FileStream("object5.json", FileMode.Create)) {
   CBORObject.WriteJSON(true, stream);
}
using (var stream = new FileStream("object6.json", FileMode.Create)) {
   CBORObject.WriteJSON(42, stream);
}

/* Accept any untagged CBOR integer
  that can fit the Int32 range */
if(!cbor.IsTagged && cbor.Type==CBORType.Integer &&
   cbor.CanValueFitInInt32()) {
  return cbor.AsInt32();
}
/* Accept any CBOR integer, tagged or not, that
 can fit the Int32 range */
if(cbor.Type==CBORType.Integer && cbor.CanValueFitInInt32()) {
  return cbor.AsInt32();
}
/* Accept any CBOR integer or floating-point number,
 tagged or not, that is an integer within the Int32 range */
if((cbor.Type==CBORType.Integer || cborType==CBORType.FloatingPoint) ||
   cbor.Untag().AsNumber().CanValueFitInInt32()) {
  return cbor.AsInt32();
}
/* Accept any CBOR object representing an integer number
   that can fit the Int32 range */
if(cbor.IsNumber && cbor.AsNumber().CanValueFitInInt32()) {
  return cbor.AsInt32();
}