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Change program options to use streaming wrap, not string wrap.

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ADAM David Alan Martin
2023-10-15 03:38:32 -04:00
parent b6cbf5199b
commit f1f010fdb2
1 changed files with 10 additions and 5 deletions
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15
ProgramOptions.cpp
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@ -190,11 +190,15 @@ namespace Alepha::Cavorite ::detail:: program_options
}
}
const std::size_t width= getConsoleWidth();
std::cout << StartWrap{ width };
std::cout << "Options:" << std::endl << std::endl;
std::cout << EndWrap;
// Inspect and print each option.
for( const auto &[ name, def ]: programOptions() )
{
std::cout << StartWrap{ width, alignmentWidth };
const auto &[ _, helpText, defaultBuilder, domains ]= def;
// How much unused of the max width there will be
const std::size_t padding= alignmentWidth - name.size() - 2;
@ -221,16 +225,17 @@ namespace Alepha::Cavorite ::detail:: program_options
// Append the incompatibility text, when we see mutually-exclusive options.
substitutionTemplate+= buildIncompatibleHelpText( name, domains, exclusivityMembers );
const std::string helpString= expandVariables( substitutionTemplate, substitutions, '!' );
printString( helpString, alignmentWidth );
std::cout << expandVariables( substitutionTemplate, substitutions, '!' );
std::cout << EndWrap;
std::cout << std::endl;
}
// Check for required options, and print a summary of those:
if( not requiredOptions().empty() ) for( const auto &[ _, group ]: requiredOptions() )
{
const std::size_t width= getConsoleWidth();
std::ostringstream oss;
std::ostream &oss= std::cout;
oss << StartWrap{ width };
oss << "At least one of the options in this group are required: ";
bool first= true;
for( const auto &required: group )
@ -240,7 +245,7 @@ namespace Alepha::Cavorite ::detail:: program_options
oss << '`' << required << '`';
}
std::cout << wordWrap( oss.str(), width ) << std::endl;
oss << std::endl;
}
}
}