/// <summary>
/// Whether or not the current value can be streamed
/// </summary>
/// <returns>True if the current value can be streamed, otherwise false</returns>
public virtual bool CanStream()
{
IJsonStreamReader streamReader = this.innerReader as IJsonStreamReader;
if (!this.isBuffering && streamReader != null)
{
return(streamReader.CanStream());
}
return(this.Value is string || this.Value == null || this.NodeType == JsonNodeType.StartArray || this.NodeType == JsonNodeType.StartObject);
}
/// <summary>
/// Creates a TextReader for reading a text value.
/// </summary>
/// <returns>A TextReader for reading the text value.</returns>
public virtual TextReader CreateTextReader()
{
IJsonStreamReader streamReader = this.innerReader as IJsonStreamReader;
if (!this.isBuffering && streamReader != null)
{
return(streamReader.CreateTextReader());
}
TextReader result = new StringReader(this.Value == null ? "" : (string)this.Value);
this.innerReader.Read();
return(result);
}
/// <summary>
/// Creates a stream for reading a stream value
/// </summary>
/// <returns>A Stream used to read a stream value</returns>
public virtual Stream CreateReadStream()
{
IJsonStreamReader streamReader = this.innerReader as IJsonStreamReader;
if (!this.isBuffering && streamReader != null)
{
return(streamReader.CreateReadStream());
}
Stream result = new MemoryStream(this.Value == null ? new byte[0] :
Convert.FromBase64String((string)this.Value));
this.innerReader.Read();
return(result);
}
private static Task <T> ReadObjectElement <T>(IJsonStreamReader reader,
CancellationToken cancellationToken) =>
reader.ReadObjectAsync <T>(cancellationToken);
private static Task <IJsonToken> ReadTokenElement(IJsonStreamReader reader,
CancellationToken cancellationToken) =>
reader.ReadTokenAsync(cancellationToken);
/// <summary>
/// Read an array at the current point in the stream as an array of POCOs.
/// </summary>
/// <typeparam name="T">Type of POCO in the array.</typeparam>
/// <param name="reader">The <seealso cref="IJsonStreamReader"/>.</param>
/// <param name="cancellationToken">Cancellation token.</param>
/// <returns>An <see cref="IAsyncEnumerable{T}"/> of the objects.</returns>
public static IAsyncEnumerable <T> ReadObjectsAsync <T>(this IJsonStreamReader reader,
CancellationToken cancellationToken = default) =>
reader.ReadArrayAsync(ReadObjectElement <T>, cancellationToken);
/// <summary>
/// Read an array at the current point in the stream as an array of <seealso cref="IJsonToken"/>.
/// </summary>
/// <param name="reader">The <seealso cref="IJsonStreamReader"/>.</param>
/// <param name="cancellationToken">Cancellation token.</param>
/// <returns>An <see cref="IAsyncEnumerable{T}"/> of the tokens.</returns>
public static IAsyncEnumerable <IJsonToken> ReadTokensAsync(this IJsonStreamReader reader,
CancellationToken cancellationToken = default) =>
reader.ReadArrayAsync(ReadTokenElement, cancellationToken);
