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Add the option to add text before and after help output #72

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merged 3 commits into from
Jan 3, 2020
Merged

Add the option to add text before and after help output #72

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89b9e22
add pre and post text options
CrustyAuklet Dec 29, 2019
7ef0de4
Better naming: follow python naming convention.
CrustyAuklet Jan 2, 2020
c521ebe
add extra space to match python formatting
CrustyAuklet Jan 3, 2020
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20 changes: 19 additions & 1 deletion include/argparse.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -800,6 +800,14 @@ class ArgumentParser {
}
}

void add_pre_text(std::string aPreText) {
mPreText = std::move(aPreText);
}

void add_post_text(std::string aPostText) {
mPostText = std::move(aPostText);
}

/* Call parse_args_internal - which does all the work
* Then, validate the parsed arguments
* This variant is used mainly for testing
Expand Down Expand Up @@ -862,7 +870,12 @@ class ArgumentParser {
for (const auto &argument : parser.mPositionalArguments) {
stream << argument.mNames.front() << " ";
}
stream << "\n\n";
stream << "\n";

if(!parser.mPreText.empty())
stream << parser.mPreText << "\n";

stream << "\n";

if (!parser.mPositionalArguments.empty())
stream << "Positional arguments:\n";
Expand All @@ -880,6 +893,9 @@ class ArgumentParser {
stream.width(tLongestArgumentLength);
stream << mOptionalArgument;
}

if(!parser.mPostText.empty())
stream << parser.mPostText << "\n\n";
}

return stream;
Expand Down Expand Up @@ -988,6 +1004,8 @@ class ArgumentParser {
}

std::string mProgramName;
std::string mPreText;
std::string mPostText;
std::list<Argument> mPositionalArguments;
std::list<Argument> mOptionalArguments;
std::map<std::string_view, list_iterator, std::less<>> mArgumentMap;
Expand Down