/** Return the text for one of the tips-of-the-day. */
static const config* get_tip_of_day(config& tips_of_day)
{
if (tips_of_day.empty()) {
read_tips_of_day(tips_of_day);
}
const config::child_list& tips = tips_of_day.get_children("tip");
// next_tip_of_day rotate tips, so better stay iterator-safe
for (size_t t=0; t < tips.size(); t++, next_tip_of_day(tips_of_day)) {
const config* tip = tips.front();
if (tip == NULL) continue;
const std::vector<shared_string> needed_units = utils::split_shared((*tip)["encountered_units"],',');
if (needed_units.empty()) {
return tip;
}
const std::set<shared_string>& seen_units = preferences::encountered_units();
// test if one of the listed unit types is already encountered
// if if's a number, test if we have encountered more than this
for (std::vector<shared_string>::const_iterator i = needed_units.begin();
i != needed_units.end(); i++) {
int needed_units_nb = lexical_cast_default<int>(*i,-1);
if (needed_units_nb !=-1) {
if (needed_units_nb <= static_cast<int>(seen_units.size())) {
return tip;
}
} else if (seen_units.find(*i) != seen_units.end()) {
return tip;
}
}
}
// not tip match, someone forget to put an always-match one
return NULL;
}
ttitle_screen::ttitle_screen()
: video_(NULL)
, tips_()
{
read_tips_of_day(tips_);
}