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Do some cleanup in print_help

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This commit is contained in:
Stephan van Veen 2019-05-25 20:07:24 +02:00
parent 67e535e171
commit 6d46876f5c
1 changed files with 7 additions and 8 deletions
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15
include/argparse.hpp
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@ -381,26 +381,25 @@ class ArgumentParser {
std::string print_help() {
std::stringstream stream;
stream << std::left;
stream << "Usage: " << mProgramName << " [options]";
stream << "Usage: " << mProgramName << " [options] ";
size_t tLongestArgumentLength = get_length_of_longest_argument();
for (size_t i = 0; i < mPositionalArguments.size(); i++) {
auto tNames = mPositionalArguments[i]->mNames;
stream << (i == 0 ? " " : "") << tNames[0] << " ";
for (const auto& argument : mPositionalArguments) {
stream << argument->mNames.front() << " ";
}
stream << "\n\n";
if (!mPositionalArguments.empty())
stream << "Positional arguments:\n";
for (const auto& mPositionalArgument : mPositionalArguments) {
stream.width(tLongestArgumentLength);
stream << *mPositionalArgument;
}
if (!mOptionalArguments.empty() && !mPositionalArguments.empty())
stream << "\nOptional arguments:\n";
else if (!mOptionalArguments.empty())
stream << "Optional arguments:\n";
if (!mOptionalArguments.empty())
stream << (mPositionalArguments.empty() ? "" : "\n") << "Optional arguments:\n";
for (const auto & mOptionalArgument : mOptionalArguments) {
stream.width(tLongestArgumentLength);
stream << *mOptionalArgument;