const Pololu::Command::Argument& Pololu::Command::Application::operator[](
const std::string& key) const {
std::map<std::string, Argument>::const_iterator
it = keyedArguments.find(key);
if (it != keyedArguments.end())
return it->second;
else
throw ArgumentKeyError(key);
}
void SeekThermal::Command::Application::addArgument(const std::string& key,
const Argument& argument) {
std::map<std::string, Argument>::iterator it = keyedArguments.find(key);
if (it == keyedArguments.end()) {
it = keyedArguments.insert(std::make_pair(key, argument)).first;
if (it->second.getValue().empty())
it->second.setValue<bool>(false);
}
else
throw ArgumentKeyError(key);
}
bool SeekThermal::Command::Application::parseArguments(size_t argc,
char** argv) {
std::string argument = argv[0];
size_t i = argument.rfind('/');
if (i != std::string::npos)
executable = argument.substr(i+1);
else
executable = argument;
int j = 0;
for (int i = 1; i < argc; ++i) {
argument = argv[i];
if ((argument[0] == '-') && (argument[1] == '-')) {
std::string key = argument.substr(2);
std::map<std::string, Argument>::iterator it = keyedArguments.find(key);
if (it != keyedArguments.end()) {
if (it->second.getFormat().empty()) {
it->second.setValue<bool>(true);
if ((*this)["help"].getValue<bool>()) {
writeHelp(std::cerr);
return false;
}
if ((*this)["version"].getValue<bool>()) {
writeVersion(std::cout);
return false;
}
}
else if (i+1 < argc) {
std::string value = argv[++i];
it->second.setValue(value);
}
else
throw ArgumentFormatError(key, it->second.getFormat());
}
else
throw ArgumentKeyError(key);
}
else {
if (j < arguments.size()) {
if (arguments[j].getGreedy()) {
std::string args;
for ( ; i < argc; ++i) {
args += argv[i];
if (i+1 < argc)
args += " ";
}
arguments[j].setValue(args);
}
else {
arguments[j].setValue(argument);
++j;
}
}
else
throw UnexpectedArgumentError(argument);
}
}
for ( ; j < arguments.size(); ++j)
if (arguments[j].getValue().empty())
throw MissingArgumentError(arguments[j].getFormat());
return true;
}