Re: [Boost-users] [spirit] Parsing std::string phrase into attribute struct

Subject: Re: [Boost-users] [spirit] Parsing std::string phrase into attribute struct
From: Joel de Guzman (djowel_at_[hidden])
Date: 2013-09-02 23:06:46

On 9/2/13 2:36 AM, Michael Powell wrote:
> Hello,
>
> Question re: parsing string into a Fusion-adapted struct.
>
> First, magic! Wow, I like it.

voodoo? ;-)

> Question about the immediate result, true/false.
>
> Let's say the operation fails for whatever reason. In our use-case,
> we'll be reading some text in from a Linux /sysfs -provided API. We'll
> parse the contents into a struct instance.
>
> If the operation fails for whatever reason, does not match the
> grammar, are any values mapped into the structure? My first guess, is
> possibly: a partial (though still failing) match, would partially
> populate the instance?

possibly and likely.

> I am using the employee-example as our boiler plate.
>
> http://www.boost.org/doc/libs/1_54_0/libs/spirit/example/qi/employee.cpp
>
> The outcome of which would be whether to consider the instance valid
> for reporting further into user-space, or what else to do with the
> outcome from there.

Regards,
-- 
Joel de Guzman
http://www.ciere.com
http://boost-spirit.com
http://www.cycfi.com/