Author: Uri Blass
Date: 15:59:20 10/02/04
Go up one level in this thread
On October 02, 2004 at 18:21:21, Alessandro Scotti wrote:
>On October 02, 2004 at 17:46:26, Uri Blass wrote:
>
>>Does it mean that you have a function to read pgn?
>
>Yes, and it's a full object-oriented design. To read a database you have to
>write something like this:
>
> PGNGame g;
>
> while( true ) {
> if( g.loadFromFile( &lex ) != 0 ) {
> break;
> }
>
> ...do something with the game...
> }
>
>The PGNGame class has methods to get and set the tags, the moves, the result and
>so on. Code is quite simple at present but it can read gm2600.pgn without
>problems. The book code itself is also quite straightforward (currently less
>than 300 lines for creation and lookup). At first I designed a solution that
>used a data structure similar to a B-Tree but then with a book so small it's
>much better to load everything in memory and use a binary search.
>I have no problem sharing the PGN parsing code if there's interest in it. I
>think probably 95% or more can be used in a C++ engine without any modifications
>(the rest relates to parsing and checking the input moves, which I use some
>engine code to do).
thanks
I am interested in it.
Uri
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