Re: [Boost-users] compile-time string literal manipulation?

Subject: Re: [Boost-users] compile-time string literal manipulation?
From: Eric Niebler (eric_at_[hidden])
Date: 2010-10-27 19:41:53

On 10/27/2010 2:46 PM, Stiles Watson wrote:
> I'm a new to metaprogramming so please bare with the stupid questions:
> 
> I have a requirement to convert string literals to a specified format at
> compile-time. In otherwords, given a literal like "3A689", I need  to
> verify the value and, if not valid, generate a correct value such that:
> 
> //pseudocode
> const char ch[] = verify<"3A689">::valid_value;
> 
> would result in something like:
> 
> const char ch[] = "03A689X";
> 
> Can I use Boost to write a template to do this?
> 
> I know that is extremely vague, but does anyone have any thoughts?

Use mpl::string:

http://www.boost.org/doc/libs/1_44_0/libs/mpl/doc/refmanual/string.html

You might find the interface less than ideal. C++ doesn't allow strings
as template parameters.

-- 
Eric Niebler
BoostPro Computing
http://www.boostpro.com