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AutoRAII based stream adaptors.

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ADAM David Alan Martin
2024-04-03 16:28:55 -04:00
parent 435bd912a4
commit 83034c501f
3 changed files with 18 additions and 25 deletions
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24
ProgramOptions.cc
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@ -195,11 +195,7 @@ namespace Alepha::Hydrogen ::detail:: ProgramOptions_m
for( const auto &[ name, def ]: programOptions() )
{
// When turning off wrapping, here, we also emit a newline between entries.
AutoRAII wrapping
{
[&] { std::cout << StartWrap{ width, alignmentWidth }; },
[] { std::cout << EndWrap << std::endl; }
};
auto wrapping= adaptStream( StartWrap{ width, alignmentWidth }, std::cout );
const auto &[ _, helpText, defaultBuilder, domains ]= def;
@ -217,11 +213,7 @@ namespace Alepha::Hydrogen ::detail:: ProgramOptions_m
substitutions[ "canonical-name"s ]= lambaste<=canonicalProgramName.value();
}
AutoRAII substitution
{
[&]{ std::cout << StartSubstitutions{ '!', substitutions }; },
[] { std::cout << EndSubstitutions; }
};
auto substitution= adaptStream( StartSubstitutions{ '!', substitutions }, std::cout );
// How much unused of the max width there will be
const std::size_t padding= alignmentWidth - name.size() - 2;
@ -289,16 +281,8 @@ namespace Alepha::Hydrogen ::detail:: ProgramOptions_m
if( canonicalName.has_value() ) substitutions[ "canonical-name"s ]= lambaste<=canonicalName.value();
AutoRAII wrapping
{
[] { std::cout << StartWrap{ getConsoleWidth() }; },
[] { std::cout << EndWrap; }
};
AutoRAII substitution
{
[&]{ std::cout << StartSubstitutions{ '!', substitutions }; },
[] { std::cout << EndSubstitutions; }
};
auto wrapping= adaptStream( StartWrap{ getConsoleWidth() }, std::cout );
auto substitution= adaptStream( StartSubstitutions{ '!', substitutions }, std::cout );
std::cout << helpMessage << std::endl << std::endl;
}