Re: [Qi] Phrase parsed but iterator did not reach end

On Mon, Nov 27, 2017 at 7:51 AM, Seth <[email protected]> wrote:
> On 25-11-17 00:42, Michael Powell wrote:
>
> Basically to validate all the patterns from 0-65535 (valid port range).
>
> If that's the goal, see
>
> https://stackoverflow.com/questions/44156112/boost-spirit-qi-changing-tag-of-specialized-uint-parser/44158086#44158086
>
>      uint_parser<uint16_t, 10, 2, 5>();
>
> which correctly parses 0..65535.

uint_parser accepts MinDigits and MaxDigits. If that's the case,
wouldn't that be matching things like "00" through "99999"? At least
at self-documenting face value.

Now, if that were bit-width, that would be another story, I think,
i.e. masking values within the mask 0x...ffff, I'd buy that.

> A more complete example:
>
> https://stackoverflow.com/questions/47243884/boost-spirit-qi-validating-input-parser/47244585#47244585
>
> Which makes the point that you might want to `lexeme [ uint_parser<uint16_t,
> 10, 2, 5>() >> !(digit|'.') ]` to avoid partially matching longer numbers.

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