Mono.Xml.XmlTextWriter.WriteEscapedBuffer C# (CSharp) Method

		void WriteEscapedBuffer (char [] text, int index, int length,
			bool isAttribute)
		{
			int start = index;
			int end = index + length;
			for (int i = start; i < end; i++) {
				switch (text [i]) {
				default:
					continue;
				case '&':
				case '<':
				case '>':
					if (start < i)
						WriteCheckedBuffer (text, start, i - start);
					writer.Write ('&');
					switch (text [i]) {
					case '&': writer.Write ("amp;"); break;
					case '<': writer.Write ("lt;"); break;
					case '>': writer.Write ("gt;"); break;
					case '\'': writer.Write ("apos;"); break;
					case '"': writer.Write ("quot;"); break;
					}
					break;
				case '"':
				case '\'':
					if (isAttribute && text [i] == quote_char)
						goto case '&';
					continue;
				case '\r':
					if (i + 1 < end && text [i] == '\n')
						i++; // CRLF
					goto case '\n';
				case '\n':
					if (start < i)
						WriteCheckedBuffer (text, start, i - start);
					if (isAttribute) {
						writer.Write (text [i] == '\r' ?
							"&#xD;" : "&#xA;");
						break;
					}
					switch (newline_handling) {
					case NewLineHandling.Entitize:
						writer.Write (text [i] == '\r' ?
							"&#xD;" : "&#xA;");
						break;
					case NewLineHandling.Replace:
						writer.Write (newline);
						break;
					default:
						writer.Write (text [i]);
						break;
					}
					break;
				}
				start = i + 1;
			}
			if (start < end)
				WriteCheckedBuffer (text, start, end - start);
		}