/*
* SIMPLER API PROPOSAL
*/
static void JsonSerialize_Simple_Helper(ReadOnlySpan <char> input, IBufferWriter <byte> writer)
{
// var = RentedArray<byte>
using (var utf8Transcoded = Utf8.ConvertFromUtf16(input))
{
using (var jsonEncoded = JsonEncoder.Default.Encode(utf8Transcoded.AsSpan()))
{
writer.Write(jsonEncoded.AsSpan());
}
}
}
static void JsonSerialize_Helper(ReadOnlySpan <char> input, IBufferWriter <byte> writer, Span <byte> scratch1, Span <byte> scratch2)
{
// Transcode UTF-16 -> UTF-8 in a loop.
var utf16InputToEncode = input;
var utf8TranscodingOperationStatus = default(OperationStatus);
do
{
utf8TranscodingOperationStatus = Utf8.ConvertFromUtf16(utf16InputToEncode, scratch1, out var utf16CharsConsumed, out var utf8BytesTranscoded);
if (utf8TranscodingOperationStatus == OperationStatus.InvalidData)
{
throw new Exception("Bad input.");
}
if (utf16CharsConsumed == 0 && utf8TranscodingOperationStatus != OperationStatus.Done)
{
throw new Exception("Unexpected return value. Bailing so we don't end up in an infinite loop.");
}
utf16InputToEncode = utf16InputToEncode.Slice(utf16CharsConsumed);
// Now that we've properly transcoded UTF-16 -> UTF-8, JSON-encode it and write it to the output.
var utf8JsonInputToEncode = scratch1.Slice(0, utf8BytesTranscoded);
var jsonEncodingOperationStatus = default(OperationStatus);
do
{
jsonEncodingOperationStatus = JsonEncoder.Default.Encode(utf8JsonInputToEncode, scratch2, out var utf8BytesConsumed, out var jsonEncodedBytesWritten);
if (jsonEncodingOperationStatus == OperationStatus.InvalidData)
{
throw new Exception("Bad input.");
}
if (utf8BytesConsumed == 0 && jsonEncodingOperationStatus != OperationStatus.Done)
{
throw new Exception("Unexpected return value. Bailing so we don't end up in an infinite loop.");
}
utf8JsonInputToEncode = utf8JsonInputToEncode.Slice(utf8BytesConsumed);
writer.Write(scratch2.Slice(0, jsonEncodedBytesWritten));
} while (jsonEncodingOperationStatus != OperationStatus.Done);
} while (utf8TranscodingOperationStatus != OperationStatus.Done);
}
