// Return the width of the option tag for printing...
size_t generic_parser_base::getOptionWidth(const Option &O) const {
if (O.hasArgStr()) {
size_t Size = std::strlen(O.ArgStr)+6;
for (unsigned i = 0, e = getNumOptions(); i != e; ++i)
Size = std::max(Size, std::strlen(getOption(i))+8);
return Size;
} else {
size_t BaseSize = 0;
for (unsigned i = 0, e = getNumOptions(); i != e; ++i)
BaseSize = std::max(BaseSize, std::strlen(getOption(i))+8);
return BaseSize;
}
}
// printOptionInfo - Print out information about this option. The
// to-be-maintained width is specified.
//
void generic_parser_base::printOptionInfo(const Option &O,
size_t GlobalWidth) const {
if (O.hasArgStr()) {
size_t L = std::strlen(O.ArgStr);
cout << " -" << O.ArgStr;
cout << string(GlobalWidth-L-6,' ') << " - " << O.HelpStr << '\n';
for (unsigned i = 0, e = getNumOptions(); i != e; ++i) {
size_t NumSpaces = GlobalWidth-strlen(getOption(i))-8;
cout << " =" << getOption(i);
cout << string(NumSpaces,' ') << " - " << getDescription(i) << '\n';
}
} else {
if (O.HelpStr[0])
cout << " " << O.HelpStr << '\n';
for (unsigned i = 0, e = getNumOptions(); i != e; ++i) {
size_t L = std::strlen(getOption(i));
cout << " -" << getOption(i);
cout << string(GlobalWidth-L-8,' ') << " - " << getDescription(i) << '\n';
}
}
}
