static int tolua_tags_next(lua_State * L)
{
tag_iterator *iter = (tag_iterator *)lua_touserdata(L, lua_upvalueindex(1));
if (iter->node) {
tolua_pushusertype(L, (void *)iter->r, TOLUA_CAST "region");
tag_advance(iter);
return 1;
}
else {
return 0; /* no more values to return */
}
}
void tag_rewind(tag_iterator * iter)
{
if (iter->list) {
iter->r = NULL;
iter->node = iter->list->tags[0];
iter->hash = 0;
if (iter->node) {
iter->r = findregion(iter->node->coord.x, iter->node->coord.y);
}
if (!iter->r) {
tag_advance(iter);
}
}
else {
iter->node = 0;
iter->hash = MAXTHASH;
}
}
//-------------------------------------------------------------------------
int py_tag_advance(const char *line, int cnt)
{
return tag_advance(line, cnt)-line;
}
