HtmlKit.HtmlTokenizer.ReadMarkupDeclarationOpen C# (CSharp) Method

		HtmlToken ReadMarkupDeclarationOpen ()
		{
			int count = 0, nc;
			char c = '\0';

			while (count < 2) {
				if ((nc = Peek ()) == -1) {
					TokenizerState = HtmlTokenizerState.EndOfFile;
					return EmitDataToken (false);
				}

				if ((c = (char) nc) != '-')
					break;

				// Note: we save the data in case we hit a parse error and have to emit a data token
				data.Append (c);
				Read ();
				count++;
			}

			if (count == 2) {
				TokenizerState = HtmlTokenizerState.CommentStart;
				name.Length = 0;
				return null;
			}

			if (count == 1) {
				// parse error
				TokenizerState = HtmlTokenizerState.BogusComment;
				return null;
			}

			if (c == 'D' || c == 'd') {
				// Note: we save the data in case we hit a parse error and have to emit a data token
				data.Append (c);
				name.Append (c);
				count = 1;
				Read ();

				while (count < 7) {
					if ((nc = Read ()) == -1) {
						TokenizerState = HtmlTokenizerState.EndOfFile;
						return EmitDataToken (false);
					}

					if (ToLower ((c = (char) nc)) != DocType[count])
						break;

					// Note: we save the data in case we hit a parse error and have to emit a data token
					data.Append (c);
					name.Append (c);
					count++;
				}

				if (count == 7) {
					doctype = CreateDocTypeToken (name.ToString ());
					TokenizerState = HtmlTokenizerState.DocType;
					name.Length = 0;
					return null;
				}

				name.Length = 0;
			} else if (c == '[') {
				// Note: we save the data in case we hit a parse error and have to emit a data token
				data.Append (c);
				count = 1;
				Read ();

				while (count < 7) {
					if ((nc = Read ()) == -1) {
						TokenizerState = HtmlTokenizerState.EndOfFile;
						return EmitDataToken (false);
					}

					c = (char) nc;

					// Note: we save the data in case we hit a parse error and have to emit a data token
					data.Append (c);

					if (c != CData[count])
						break;

					count++;
				}

				if (count == 7) {
					TokenizerState = HtmlTokenizerState.CDataSection;
					data.Length = 0;
					return null;
				}
			}

			// parse error
			TokenizerState = HtmlTokenizerState.BogusComment;

			return null;
		}