69 lines
1.5 KiB
C#
69 lines
1.5 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Text;
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using System.Threading;
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using System.Threading.Tasks;
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namespace AMWD.Common.Extensions
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{
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public static class StreamExtensions
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{
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public static string ReadLine(this Stream stream, Encoding encoding = null, string eol = null)
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{
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if (encoding == null)
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encoding = Encoding.Default;
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if (eol == null)
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eol = Environment.NewLine;
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if (!stream.CanRead)
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return null;
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var bytes = new List<byte>();
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string s;
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do
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{
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int result = stream.ReadByte();
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if (result == -1)
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break;
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byte b = (byte)result;
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bytes.Add(b);
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s = encoding.GetString(new[] { b });
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}
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while (!eol.Contains(s));
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return encoding.GetString(bytes.ToArray()).Trim();
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}
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public static async Task<string> ReadLineAsync(this Stream stream, Encoding encoding = null, string eol = null, CancellationToken cancellationToken = default)
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{
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if (encoding == null)
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encoding = Encoding.Default;
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if (eol == null)
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eol = Environment.NewLine;
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if (!stream.CanRead)
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return null;
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var bytes = new List<byte>();
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string s;
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do
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{
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byte[] buffer = new byte[1];
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int count = await stream.ReadAsync(buffer, 0, buffer.Length);
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if (count == 0)
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break;
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bytes.Add(buffer[0]);
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s = encoding.GetString(buffer);
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}
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while (!eol.Contains(s));
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return encoding.GetString(bytes.ToArray()).Trim();
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}
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}
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}
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