Re: [Bug-gnubg] "Joseph-ID" in benchmark db

[Joseph Heled]

On 9 February 2012 20:33, Michael Petch <address@hidden> wrote:
> On 09/02/2012 12:01 AM, Mark Higgins wrote:
>> Can anyone point me to a function to convert the keys in the benchmark dbs 
>> to a board layout pls?
>>
>> They don't look like 14-char position IDs, and checking this list archive I 
>> see them occasionally referred to as Joseph-ID.
>>
>
> Thanks to Philippe, the code I think you are looking for is now in
> gnubg.c. Philippe committed a change last month that allows the "set
> board" command to take a gnubg-nn ID (Which I think is what you are
> referring to) and allow it to be used to setup a position in GNUBG. If
> you want this feature I can build a windows release tomorrow. The
> excerpt from the source code that does the work is here:

When accepting an id from user, you do want to test that pch[XXX] -
'A' is indeed 4 bits, i.e.  'A' <= pch[XXX] <= 'A' + 15

-Joseph

>
>    if( strlen(pch) == 20) { /* gnubg-nn position string */
>        static oldpositionkey key;
>
>        for(i = 0; i < 10; ++i) {
>           key.auch[i] = ((pch[2*i+0] - 'A') << 4) +  (pch[2*i+1] - 'A');
>        }
>
>        oldPositionFromKey( an, &key);
>
>        return 0;
>    }
>
>
> The above is a snippet from GNUBG.C in the function
> extern int ParsePosition( TanBoard an, char **ppch, char *pchDesc )
> which was added by Philippe.
>
> --
> Michael Petch
> CApp::Sysware Consulting Ltd.
> OpenPGP FingerPrint=D81C 6A0D 987E 7DA5 3219 6715 466A 2ACE 5CAE 3304
>
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