[ros-general] writing file manager / how to use lex?

[Jasper van de Gronde]

Reply in the message below.

Jan Tisje wrote:
> there are BNFs available for URL, but 
> BNF is no standard, so syntax is odd (to me) 
> lex does not expect BNF but it's own format. 
> 
> URI, BNF in appendix A
> http://www.faqs.org/rfcs/rfc2396.html
> URL, BNF in chapter 5
> http://www.faqs.org/rfcs/rfc1738.html

Their BNF-like syntax is explained in RFC 822 (although they seem to use 
pipes instead of slashes for alternatives):
http://www.faqs.org/rfcs/rfc822.html

> btw, the filemanager will use plugins to view the file contents. 
> **** Who wants to write some plugin DLLs? ****
> they may be written in C, interface will be strictly WinAPI standard. 
> 
> There will be two types of DLLs
> - those that render to a windows device context (or bitmap, I do not
> know yet)
> - and those that convert a file to a HTML representation. 

Also think of audio/video please (perhaps not immediately, but be sure 
to keep it in the back of your head).