Function convert_to_xml

MyGUIEngine/src/MyGUI_XmlDocument.cpp:63–94

		}

		static std::string convert_to_xml(std::string_view _string)
		{
			std::string ret;

			size_t pos = _string.find_first_of("&<>'\"");
			if (pos == std::string::npos)
				return std::string{_string};

			ret.reserve(_string.size() * 2);
			size_t old = 0;
			while (pos != std::string::npos)
			{
				ret += _string.substr(old, pos - old);

				if (_string[pos] == '&')
					ret += "&amp;";
				else if (_string[pos] == '<')
					ret += "&lt;";
				else if (_string[pos] == '>')
					ret += "&gt;";
				else if (_string[pos] == '\'')
					ret += "&apos;";
				else if (_string[pos] == '\"')
					ret += "&quot;";

				old = pos + 1;
				pos = _string.find_first_of("&<>'\"", old);
			}
			ret += _string.substr(old, std::string::npos);

			return ret;
		}

	}