Re: directory iteration / path manipulation

From: rogeeff (rogeeff_at_[hidden])
Date: 2002-01-23 15:43:29

I would be very interesting in such facility. But how portable could 
you make it?

--- In boost_at_y..., "Jani Kajala" <jani_at_s...> wrote:
> I think directory iteration is only one example of path 
manipulation. Imho more
> could be done in this subject. What I'd like to have is a kind of 
abstract path
> name class, which can be manipulated and then converted to system-
dependent path
> name when needed.
> 
> Here's example usage: First get path of current working directory, 
then combine
> '..' to get path to upper level directory, then get path to 
subdirectory called
> 'fu' and then list max. 40 files from there. Two-argument 
constructor accepts
> parent path and file name (and combines them to single abstract 
path).
> 
> path cwd = path::cwd();
> path up = path( cwd, ".." );
> path fu = path( up, "fu" );
> assert( fu.exists() );
> assert( fu.is_directory() );
> std::string files[40];
> int numfiles = fu.list( files, 40 );
> 
> Is there any interest in getting this kind of class to Boost? I 
have already
> done this class before, but I'd like to hear some comments before 
submitting
> anything. Other classes related to this could be for 
example "auto_cd" current
> working directory changer which would change the cwd back at the 
dtor.
> 
> Some issues:
> * Absolute path names containing drive letter are still not 
portable.
> * Case-sensitiveness is still platform dependent
> 
> 
> Regards,
> Jani Kajala
> http://www.helsinki.fi/~kajala