Iptcdatum& IptcData::operator[](const std::string& key)
{
IptcKey iptcKey(key);
iterator pos = findKey(iptcKey);
if (pos == end()) {
add(Iptcdatum(iptcKey));
pos = findKey(iptcKey);
}
return *pos;
}
int IptcData::add(const IptcKey& key, Value* value)
{
return add(Iptcdatum(key, value));
}