void processRemove(const std::string& line, int num, IptcData &iptcData)
{
std::string::size_type keyStart = line.find_first_not_of(" \t", 1);
if (keyStart == std::string::npos) {
std::ostringstream os;
os << "Invalid \'r\' command at line " << num;
throw Error(1, os.str());
}
const std::string key( line.substr(keyStart) );
IptcKey iptcKey(key);
IptcData::iterator iter = iptcData.findKey(iptcKey);
if (iter != iptcData.end()) {
iptcData.erase(iter);
}
}
void processModify(const std::string& line, int num, IptcData &iptcData)
{
std::string::size_type keyStart = line.find_first_not_of(" \t", 1);
std::string::size_type keyEnd = line.find_first_of(" \t", keyStart+1);
std::string::size_type dataStart = line.find_first_not_of(" \t", keyEnd+1);
if (keyStart == std::string::npos ||
keyEnd == std::string::npos ||
dataStart == std::string::npos) {
std::ostringstream os;
os << "Invalid \'m\' command at line " << num;
throw Error(1, os.str());
}
std::string key(line.substr(keyStart, keyEnd-keyStart));
IptcKey iptcKey(key);
std::string data(line.substr(dataStart));
// if data starts and ends with quotes, remove them
if (data.at(0) == '\"' && data.at(data.size()-1) == '\"') {
data = data.substr(1, data.size()-2);
}
TypeId type = IptcDataSets::dataSetType(iptcKey.tag(), iptcKey.record());
Value::AutoPtr value = Value::create(type);
value->read(data);
IptcData::iterator iter = iptcData.findKey(iptcKey);
if (iter != iptcData.end()) {
iter->setValue(value.get());
}
else {
int rc = iptcData.add(iptcKey, value.get());
if (rc) {
throw Error(1, "Iptc dataset already exists and is not repeatable");
}
}
}