MimeKit.Header.Fold C# (CSharp) 메소드

		internal static string Fold (FormatOptions format, string field, string value)
		{
			var folded = new StringBuilder (value.Length);
			int lineLength = field.Length + 2;
			int lastLwsp = -1;

			folded.Append (' ');

			var words = TokenizeText (value);

			foreach (var word in words) {
				if (IsWhiteSpace (word[0])) {
					if (lineLength + word.Length > format.MaxLineLength) {
						for (int i = 0; i < word.Length; i++) {
							if (lineLength > format.MaxLineLength) {
								folded.Append (format.NewLine);
								lineLength = 0;
							}

							folded.Append (word[i]);
							lineLength++;
						}
					} else {
						lineLength += word.Length;
						folded.Append (word);
					}

					lastLwsp = folded.Length - 1;
					continue;
				}

				if (lastLwsp != -1 && lineLength + word.Length > format.MaxLineLength) {
					folded.Insert (lastLwsp, format.NewLine);
					lineLength = 1;
					lastLwsp = -1;
				}

				if (word.Length > format.MaxLineLength) {
					foreach (var broken in WordBreak (format, word, lineLength)) {
						if (lineLength + broken.Length > format.MaxLineLength) {
							folded.Append (format.NewLine);
							folded.Append (' ');
							lineLength = 1;
						}

						folded.Append (broken.Text, broken.StartIndex, broken.Length);
						lineLength += broken.Length;
					}
				} else {
					lineLength += word.Length;
					folded.Append (word);
				}
			}

			folded.Append (format.NewLine);

			return folded.ToString ();
		}