void TOpts::PrintCmdLine(const TStringBuf& program, IOutputStream& os, const NColorizer::TColors& colors) const {
os << colors.BoldColor() << "Usage" << colors.OldColor() << ": " << program << " ";
if (CustomCmdLineDescr) {
os << CustomCmdLineDescr << Endl;
return;
}
os << "[OPTIONS]";
for (ui32 i = 0; i < FreeArgsMin_; ++i)
os << ' ' << GetFreeArgTitle(i);
if (FreeArgsMax_ > FreeArgsMin_) {
if (FreeArgsMax_ == Max<ui32>()) {
// print all described args
for (ui32 i = FreeArgsMin_; i < FreeArgSpecs_.size(); ++i)
os << " [" << GetFreeArgTitle(i) << "]";
os << " [" << DefaultFreeArgSpec.Title << "]...";
} else {
for (ui32 i = FreeArgsMin_; i < FreeArgsMax_; ++i)
os << " [" << GetFreeArgTitle(i) << "]";
}
}
os << Endl;
}
void TOpts::PrintFreeArgsDesc(IOutputStream& os, const NColorizer::TColors& colors) const {
if (0 == FreeArgsMax_)
return;
size_t leftFreeWidth = 0;
for (size_t i = 0; i < FreeArgSpecs_.size(); ++i) {
leftFreeWidth = Max(leftFreeWidth, GetFreeArgTitle(i).size());
}
if (CustomDefaultArg_) {
leftFreeWidth = Max(leftFreeWidth, DefaultFreeArgSpec.Title.size());
}
leftFreeWidth = Min(leftFreeWidth, size_t(30));
os << Endl << colors.BoldColor() << "Free args"<< colors.OldColor() <<":";
os << " min: " << colors.GreenColor() << FreeArgsMin_ << colors.OldColor() << ",";
os << " max: " << colors.GreenColor();
if (FreeArgsMax_ != Max<ui32>()) {
os << FreeArgsMax_;
} else {
os << "unlimited";
}
os << colors.OldColor();
os << " (listed described args only)" << Endl;
const size_t limit = FreeArgSpecs_.empty() ? 0 : FreeArgSpecs_.rbegin()->first;
for (size_t i = 0; i <= limit; ++i) {
const TString& help = GetFreeArgHelp(i);
os << " " << colors.GreenColor() << RightPad(GetFreeArgTitle(i), leftFreeWidth, ' ') << colors.OldColor();
if (!help.Empty())
os << " " << help;
os << Endl;
}
if (CustomDefaultArg_) {
os << " " << colors.GreenColor() << RightPad(DefaultFreeArgSpec.Title, leftFreeWidth, ' ') << colors.OldColor();
os << " " << (!DefaultFreeArgSpec.Help ? DefaultHelp : DefaultFreeArgSpec.Help);
os << Endl;
}
}
void TOpts::PrintFreeArgsDesc(TOutputStream& os) const {
if (0 == FreeArgsMax_)
return;
size_t leftFreeWidth = 0;
for (size_t i = 0; i < FreeArgSpecs_.size(); ++i) {
leftFreeWidth = Max(leftFreeWidth, GetFreeArgTitle(i).size());
}
if (CustomDefaultArg_) {
leftFreeWidth = Max(leftFreeWidth, DefaultArgTitle_.size());
}
leftFreeWidth = Min(leftFreeWidth, size_t(30));
os << Endl << "Free args:";
os << " min: " << FreeArgsMin_ << ",";
os << " max: ";
if (FreeArgsMax_ != Max<ui32>()) {
os << FreeArgsMax_;
} else {
os << "unlimited";
}
os << " (listed described args only)" << Endl;
for (size_t i = 0; i < FreeArgSpecs_.size(); ++i) {
const Stroka& help = GetFreeArgHelp(i);
os << " " << RightPad(GetFreeArgTitle(i), leftFreeWidth, ' ');
if (!help.Empty())
os << " " << help;
os << Endl;
}
if (CustomDefaultArg_) {
os << " " << RightPad(DefaultArgTitle_, leftFreeWidth, ' ');
if (!DefaultArgHelp_.Empty())
os << " " << (!DefaultArgHelp_ ? DefaultHelp : DefaultArgHelp_);
os << Endl;
}
}
void TOpts::PrintCmdLine(const TStringBuf& program, TOutputStream& os) const {
os << "Usage: " << program << " [OPTIONS]";
for (ui32 i = 0; i < FreeArgsMin_; ++i)
os << ' ' << GetFreeArgTitle(i);
if (FreeArgsMax_ > FreeArgsMin_) {
if (FreeArgsMax_ == Max<ui32>()) {
// print all described args
for (ui32 i = FreeArgsMin_; i < FreeArgSpecs_.size(); ++i)
os << " [" << GetFreeArgTitle(i) << "]";
os << " [" << DefaultArgTitle_ << "]...";
} else {
for (ui32 i = FreeArgsMin_; i < FreeArgsMax_; ++i)
os << " [" << GetFreeArgTitle(i) << "]";
}
}
os << Endl;
}
