int
sgftree_readfile(SGFTree *tree, const char *infilename)
{
SGFNode *savetree = tree->root;
tree->root = readsgffile(infilename);
if (tree->root == NULL) {
tree->root = savetree;
return 0;
}
sgfFreeNode(savetree);
tree->lastnode = NULL;
return 1;
}
hex_t
hex_load_sgf (hex_format_t format, char * filename)
{
hex_t hex;
char * size_str;
SGFNode * root;
SGFNode * node;
if ((root = readsgffile (filename)) == NULL)
return NULL;
if (! sgfGetCharProperty (root, "SZ", &size_str))
return NULL;
hex = hex_new (atoi (size_str));
for (node = root->child; node != NULL; node = node->child)
{
uint i, x;
char * move;
char * prop_name;
/* Swap isn't supported yet */
switch (format)
{
case HEX_AUTO:
if (sgfGetCharProperty (node, "W ", &move))
format = HEX_LG_SGF;
else if (sgfGetCharProperty (node, "B ", &move))
format = HEX_SGF;
else
return NULL;
break;
case HEX_SGF:
sgfGetCharProperty (node, hex_get_player (hex) == 1 ? "B " : "W ", &move);
if (! (strcmp ("swap-sides", move) || strcmp ("swap-pieces", move)))
return NULL;
if (! strcmp ("resign", move))
goto end;
break;
case HEX_LG_SGF:
sgfGetCharProperty (node, hex_get_player (hex) == 1 ? "W " : "B ", &move);
if (! strcmp ("swap", move))
return NULL;
if (! strcmp ("resign", move))
goto end;
break;
default:
return NULL;
}
errno = 0;
i = hex_decode_sgf_pos (move[0]);
if (errno || i >= hex->size)
return NULL;
if (format == HEX_SGF)
x = atoi (move+1);
else if (format == HEX_LG_SGF)
x = hex_decode_sgf_pos (move[1]);
if (errno || x >= hex->size)
return NULL;
hex_move (hex, i, hex->size-x-1);
}
end:
sgfFreeNode (root);
return hex;
}
