On Wed, Oct 13, 2010 at 11:44 AM, Julien Cugnière <[email protected]> wrote: > 2010/10/13 Hyrum K. Wright <[email protected]> >> Another option is a custom SVN::String type which looks / smells / >> acts like a string, but also allows wrapping the NULL value, in a >> manner you suggest above. > > Sorry to intrude, but just an additional possibility : can the strings > manipulated by SVN contain embedded NUL characters ( "\0" ) ? > > If they can't, then you could use an std::string containing a single > NUL character to represent the NULL string : > > #define SVN_NULL_STRING std::string(1, '\0') > > inline std::string getAuthor() const { return ptr ? > std::string(ptr) : SVN_NULL_STRING; }
Subversion "strings" can be arbitrary byte arrays. I haven't yet thought about how this translates to C++, but I'm wary of using something not-quite-standard like the above. -Hyrum
