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

[Robert Köpferl]

Jan Tisje schrieb:
> hi, 
> 
> I started to write a file manager.... 
> 
> my target is to make it easy to use but very powerful and flexible. 
> apart from windows fs, it will support many filesystems (eg. nfs, http,
> ftp, webdav... )

I'd suggest to support an not existing FTP-FS which may work by putting 
connection data in a special file.

> One point is to show if and how the "C:, D:" drive assignment  may be
> overcome.
> So i will use URLs. 

???  Maybe that would be one solution we should put into the win32 sub 
system so that any app can use them...

> The most important part missing is an URL parser. 
> **** does anyone know how to use lex to generate a parser? ****
> 
> I write in delphi, so the interesting part of the lex file will be the
> left side, finding the URL components. 

Find a RegEx engine for Delphi and parse this regular language via 
regular expressions.
> 
> 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
> 
> 
> 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. 
> 
> (yes, the file manager already is capable to display html, without IE!)
> 
> Jan
> 
> _______________________________________________
> ros-general mailing list
> ros-general at reactos.com
> http://reactos.com/mailman/listinfo/ros-general