System.Xml.NonBlockingStreamReader.ReadLine C# (CSharp) Méthode

		public override string ReadLine()
		{
			if (base_stream == null)
				throw new ObjectDisposedException ("StreamReader", "Cannot read from a closed StreamReader");

			if (pos >= decoded_count && ReadBuffer () == 0)
				return null;

			int begin = pos;
			int end = FindNextEOL ();
			if (end < decoded_count && end >= begin)
				return new string (decoded_buffer, begin, end - begin);

			if (line_builder == null)
				line_builder = new StringBuilder ();
			else
				line_builder.Length = 0;

			while (true) {
				if (foundCR) // don't include the trailing CR if present
					decoded_count--;

				line_builder.Append (new string (decoded_buffer, begin, decoded_count - begin));
				if (ReadBuffer () == 0) {
					if (line_builder.Capacity > 32768) {
						StringBuilder sb = line_builder;
						line_builder = null;
						return sb.ToString (0, sb.Length);
					}
					return line_builder.ToString (0, line_builder.Length);
				}

				begin = pos;
				end = FindNextEOL ();
				if (end < decoded_count && end >= begin) {
					line_builder.Append (new string (decoded_buffer, begin, end - begin));
					if (line_builder.Capacity > 32768) {
						StringBuilder sb = line_builder;
						line_builder = null;
						return sb.ToString (0, sb.Length);
					}
					return line_builder.ToString (0, line_builder.Length);
				}
			}
		}