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using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Text;
using System.Threading;
namespace Jellyfin.Extensions
{
/// <summary>
/// Class BaseExtensions.
/// </summary>
public static class StreamExtensions
{
/// <summary>
/// Reads all lines in the <see cref="Stream" />.
/// </summary>
/// <param name="stream">The <see cref="Stream" /> to read from.</param>
/// <returns>All lines in the stream.</returns>
public static string[] ReadAllLines(this Stream stream)
=> ReadAllLines(stream, Encoding.UTF8);
/// <summary>
/// Reads all lines in the <see cref="Stream" />.
/// </summary>
/// <param name="stream">The <see cref="Stream" /> to read from.</param>
/// <param name="encoding">The character encoding to use.</param>
/// <returns>All lines in the stream.</returns>
public static string[] ReadAllLines(this Stream stream, Encoding encoding)
{
using StreamReader reader = new StreamReader(stream, encoding);
return ReadAllLines(reader).ToArray();
}
/// <summary>
/// Reads all lines in the <see cref="TextReader" />.
/// </summary>
/// <param name="reader">The <see cref="TextReader" /> to read from.</param>
/// <returns>All lines in the stream.</returns>
public static IEnumerable<string> ReadAllLines(this TextReader reader)
{
string? line;
while ((line = reader.ReadLine()) is not null)
{
yield return line;
}
}
/// <summary>
/// Reads all lines in the <see cref="TextReader" />.
/// </summary>
/// <param name="reader">The <see cref="TextReader" /> to read from.</param>
/// <param name="cancellationToken">The token to monitor for cancellation requests.</param>
/// <returns>All lines in the stream.</returns>
public static async IAsyncEnumerable<string> ReadAllLinesAsync(this TextReader reader, [EnumeratorCancellation] CancellationToken cancellationToken = default)
{
string? line;
while ((line = await reader.ReadLineAsync(cancellationToken).ConfigureAwait(false)) is not null)
{
yield return line;
}
}
}
}
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