bool ArgsManager::GetBoolArg(const std::string& strArg, bool fDefault) const
{
LOCK(cs_args);
auto it = mapArgs.find(strArg);
if (it != mapArgs.end()) return InterpretBool(it->second);
return fDefault;
}
bool ArgsManager::GetBoolArg(const std::string& strArg, bool fDefault)
{
LOCK(cs_args);
if (mapArgs.count(strArg))
return InterpretBool(mapArgs[strArg]);
return fDefault;
}
bool ArgsManager::GetBoolArg(const std::string& strArg, bool fDefault) const
{
if (IsArgNegated(strArg)) return false;
std::pair<bool,std::string> found_res = ArgsManagerHelper::GetArg(*this, strArg);
if (found_res.first) return InterpretBool(found_res.second);
return fDefault;
}
/** Turn -noX into -X=0 */
static void InterpretNegativeSetting(std::string& strKey, std::string& strValue)
{
if (strKey.length()>3 && strKey[0]=='-' && strKey[1]=='n' && strKey[2]=='o')
{
strKey = "-" + strKey.substr(3);
strValue = InterpretBool(strValue) ? "0" : "1";
}
}
/* Special test for -testnet and -regtest args, because we
* don't want to be confused by craziness like "[regtest] testnet=1"
*/
static inline bool GetNetBoolArg(const ArgsManager &am, const std::string& net_arg)
{
std::pair<bool,std::string> found_result(false,std::string());
found_result = GetArgHelper(am.m_override_args, net_arg, true);
if (!found_result.first) {
found_result = GetArgHelper(am.m_config_args, net_arg, true);
if (!found_result.first) {
return false; // not set
}
}
return InterpretBool(found_result.second); // is set, so evaluate
}
/**
* Interpret -nofoo as if the user supplied -foo=0.
*
* This method also tracks when the -no form was supplied, and if so,
* checks whether there was a double-negative (-nofoo=0 -> -foo=1).
*
* If there was not a double negative, it removes the "no" from the key,
* and returns true, indicating the caller should clear the args vector
* to indicate a negated option.
*
* If there was a double negative, it removes "no" from the key, sets the
* value to "1" and returns false.
*
* If there was no "no", it leaves key and value untouched and returns
* false.
*
* Where an option was negated can be later checked using the
* IsArgNegated() method. One use case for this is to have a way to disable
* options that are not normally boolean (e.g. using -nodebuglogfile to request
* that debug log output is not sent to any file at all).
*/
static bool InterpretNegatedOption(std::string& key, std::string& val)
{
assert(key[0] == '-');
size_t option_index = key.find('.');
if (option_index == std::string::npos) {
option_index = 1;
} else {
++option_index;
}
if (key.substr(option_index, 2) == "no") {
bool bool_val = InterpretBool(val);
key.erase(option_index, 2);
if (!bool_val ) {
// Double negatives like -nofoo=0 are supported (but discouraged)
LogPrintf("Warning: parsed potentially confusing double-negative %s=%s\n", key, val);
val = "1";
} else {
return true;
}
}
return false;
}
