std::vector<option> makeLongOptions(const std::vector<CmdlineOpt> &opts) {
std::vector<option> options;
for (const auto &opt : opts) {
const auto &o = commandlineOptions.at(opt);
options.push_back({ o.longOption, o.hasArg, nullptr, static_cast<int>(opt) });
}
options.push_back({ nullptr, 0, nullptr, 0 });
return options;
}
std::string makeShortOptions(const std::vector<CmdlineOpt> &opts) {
std::stringstream optstr;
optstr << ":";
for (const auto &opt : opts) {
const auto &o = commandlineOptions.at(opt);
optstr << o.shortOption;
if (o.hasArg == OptHasArg::RequiredArgument)
optstr << ":";
}
return optstr.str();
}
std::string makeHelp(void) {
std::size_t optWidth = 33;
auto head = [] (const std::string &header, CmdlineOpt opt) -> std::string {
return header + " (with -" + commandlineOptions.at(opt).shortOption
+ " or --" + commandlineOptions.at(opt).longOption + ")";
};
auto opt = [&optWidth] (CmdlineOpt opt) -> std::string {
auto prefix = std::string(" -") + commandlineOptions.at(opt).shortOption
+ ", --" + commandlineOptions.at(opt).helpArgument;
auto spaceLen = optWidth > prefix.length() ? optWidth - prefix.length() : 1;
return prefix + std::string(spaceLen, ' ')
+ commandlineOptions.at(opt).helpDescription;
};
std::stringstream helpStr;
helpStr << "Usage: cyad [OPTIONS]" << std::endl << std::endl;
helpStr << head("Bucket set options", CmdlineOpt::SetBucket) << std::endl;
helpStr << opt(CmdlineOpt::SetBucket) << std::endl;
helpStr << opt(CmdlineOpt::Type) << std::endl;
helpStr << opt(CmdlineOpt::Metadata) << std::endl;
helpStr << std::endl;
helpStr << head("Bucket delete options", CmdlineOpt::DeleteBucket) << std::endl;
helpStr << opt(CmdlineOpt::DeleteBucket) << std::endl;
helpStr << std::endl;
helpStr << head("Policy set options", CmdlineOpt::SetPolicy) << std::endl;
helpStr << opt(CmdlineOpt::Bucket) << std::endl;
helpStr << opt(CmdlineOpt::Client) << std::endl;
helpStr << opt(CmdlineOpt::User) << std::endl;
helpStr << opt(CmdlineOpt::Privilege) << std::endl;
helpStr << opt(CmdlineOpt::Type) << std::endl;
helpStr << opt(CmdlineOpt::Metadata) << std::endl;
helpStr << opt(CmdlineOpt::Bulk) << std::endl;
helpStr << std::endl;
helpStr << head("Policy erase options", CmdlineOpt::Erase) << std::endl;
helpStr << opt(CmdlineOpt::Erase) << std::endl;
helpStr << opt(CmdlineOpt::Recursive) << std::endl;
helpStr << opt(CmdlineOpt::Client) << std::endl;
helpStr << opt(CmdlineOpt::User) << std::endl;
helpStr << opt(CmdlineOpt::Privilege) << std::endl;
helpStr << std::endl;
helpStr << head("Administrative policy check options", CmdlineOpt::Check) << std::endl;
helpStr << opt(CmdlineOpt::Bucket) << std::endl;
helpStr << opt(CmdlineOpt::Recursive) << std::endl;
helpStr << opt(CmdlineOpt::Client) << std::endl;
helpStr << opt(CmdlineOpt::User) << std::endl;
helpStr << opt(CmdlineOpt::Privilege) << std::endl;
helpStr << std::endl;
helpStr << head("Policies list options", CmdlineOpt::ListPolicies) << std::endl;
helpStr << opt(CmdlineOpt::ListPolicies) << std::endl;
helpStr << opt(CmdlineOpt::Client) << std::endl;
helpStr << opt(CmdlineOpt::User) << std::endl;
helpStr << opt(CmdlineOpt::Privilege) << std::endl;
helpStr << std::endl;
helpStr << head("Policies descriptions list options", CmdlineOpt::ListPoliciesDesc)
<< std::endl;
helpStr << opt(CmdlineOpt::ListPoliciesDesc) << std::endl;
helpStr << std::endl;
helpStr << head("Help options", CmdlineOpt::Help) << std::endl;
helpStr << opt(CmdlineOpt::Help);
return helpStr.str();
}
std::string makeHelp(void) {
std::size_t optWidth = 33;
auto head = [] (const std::string &header, CmdlineOpt opt) -> std::string {
return header + " (with -" + commandlineOptions.at(opt).shortOption
+ " or --" + commandlineOptions.at(opt).longOption + ")";
};
auto opt = [&optWidth] (CmdlineOpt opt) -> std::string {
auto prefix = std::string(" -") + commandlineOptions.at(opt).shortOption
+ ", --" + commandlineOptions.at(opt).helpArgument;
auto spaceLen = optWidth > prefix.length() ? optWidth - prefix.length() : 1;
return prefix + std::string(spaceLen, ' ')
+ commandlineOptions.at(opt).helpDescription
+ (commandlineOptions.at(opt).isReq == Required ? " - required" : "");
};
std::stringstream helpStr;
helpStr << "Usage: cyad [OPTIONS]" << std::endl << std::endl;
helpStr << head("Bucket set options", CmdlineOpt::SetBucket) << std::endl;
helpStr << opt(CmdlineOpt::SetBucket) << std::endl;
helpStr << opt(CmdlineOpt::Type) << std::endl;
helpStr << opt(CmdlineOpt::Metadata) << std::endl;
helpStr << std::endl;
helpStr << head("Bucket delete options", CmdlineOpt::DeleteBucket) << std::endl;
helpStr << opt(CmdlineOpt::DeleteBucket) << std::endl;
helpStr << std::endl;
helpStr << head("Policy set options", CmdlineOpt::SetPolicy) << std::endl;
helpStr << opt(CmdlineOpt::Bucket) << std::endl;
helpStr << opt(CmdlineOpt::Client) << std::endl;
helpStr << opt(CmdlineOpt::User) << std::endl;
helpStr << opt(CmdlineOpt::Privilege) << std::endl;
helpStr << opt(CmdlineOpt::Type) << std::endl;
helpStr << opt(CmdlineOpt::Metadata) << std::endl;
helpStr << opt(CmdlineOpt::Bulk) << std::endl;
helpStr << std::endl;
helpStr << "Bulk file" << std::endl;
helpStr << " For each policy a single line should be present with the folowing information:";
helpStr << std::endl;
helpStr << " <bucket>;<client>;<user>;<privilege>;<type as decimal>;[metadata]" << std::endl;
helpStr << " In stdin input mode, double empty line ends this mode." << std::endl;
helpStr << std::endl;
helpStr << head("Policy erase options", CmdlineOpt::Erase) << std::endl;
helpStr << opt(CmdlineOpt::Erase) << std::endl;
helpStr << opt(CmdlineOpt::Recursive) << std::endl;
helpStr << opt(CmdlineOpt::Client) << std::endl;
helpStr << opt(CmdlineOpt::User) << std::endl;
helpStr << opt(CmdlineOpt::Privilege) << std::endl;
helpStr << std::endl;
helpStr << head("Administrative policy check options", CmdlineOpt::Check) << std::endl;
helpStr << opt(CmdlineOpt::Bucket) << std::endl;
helpStr << opt(CmdlineOpt::Recursive) << std::endl;
helpStr << opt(CmdlineOpt::Client) << std::endl;
helpStr << opt(CmdlineOpt::User) << std::endl;
helpStr << opt(CmdlineOpt::Privilege) << std::endl;
helpStr << std::endl;
helpStr << head("Policies list options", CmdlineOpt::ListPolicies) << std::endl;
helpStr << opt(CmdlineOpt::ListPolicies) << std::endl;
helpStr << opt(CmdlineOpt::Client) << std::endl;
helpStr << opt(CmdlineOpt::User) << std::endl;
helpStr << opt(CmdlineOpt::Privilege) << std::endl;
helpStr << std::endl;
helpStr << head("Policies descriptions list options", CmdlineOpt::ListPoliciesDesc)
<< std::endl;
helpStr << opt(CmdlineOpt::ListPoliciesDesc) << std::endl;
helpStr << std::endl;
helpStr << head("Help options", CmdlineOpt::Help) << std::endl;
helpStr << opt(CmdlineOpt::Help);
return helpStr.str();
}