[boost] Re: How to achieve this goal using boost::tokenizer?

From: lattice (zhangwusheng_at_[hidden])
Date: 2003-07-21 05:20:10

thanks Russell Hind &Gennadiy Rozental
I got it.

"Russell Hind" <rhind_at_[hidden]> ???? news:bf0d75$o3h$1_at_main.gmane.org...
> You need to pass a separator into the tokenizer that only separates on
> ',' (i'm not sure if this code compiles, but you get the idea
>
> std::string Pages("2,3,5-7");
> char_separator<char>             CommaSep(",");
> tokenizer<char_separator<char> > Tokenizer(Pages,CommaSep);
>
> This will split it up into
>
> 2
> 3
> 5-7
>
> You will then need to do a bit of extra passing on each token to see if
> it is a range (contains a '-') using either just a find, or create
> another tokenizer for '-'
>
> Cheers
>
> Russell
>
>
> lattice wrote:
>
> > If we print some pages ,we can select pages in a range to print.
> > for example,if we enter 2,3,5-7 in Ms-word print dialog,then page
> > 2,3,5,6,7 is printed.
> > Now questions is :
> > if we get a string like this "2,3,5-7",if we use boost::tokenizer,
> > we can only get 2,3,5,7. eventually some information is lost.
> >
> > How can we get the desired result----"2,3,5,6,7" using boost::tokenizer?
> >
> >
> >
> >
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