/* compute the current binary context */
void ContextTree::getContext(const history_t &h, context_t &context) const {
context.clear();
for (size_t i=0; i < m_depth; ++i) {
context.push_back(h[h.size()-i-1]);
}
}
bool ParseContextMap(const string &str, context_t &context) {
istringstream iss(str);
string element;
while (getline(iss, element, ',')) {
istringstream ess(element);
string tok;
getline(ess, tok, ':');
domain_t id = (domain_t) stoi(tok);
getline(ess, tok, ':');
float w = stof(tok);
context.push_back(cscore_t(id, w));
}
return true;
}