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Changed padding from \t to spaces

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This commit is contained in:
Fanurs 2023-04-22 15:15:39 -04:00
parent aa996952bb
commit 5595375786
1 changed files with 12 additions and 8 deletions
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20
include/argparse/argparse.hpp
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@ -649,7 +649,6 @@ public:
friend std::ostream &operator<<(std::ostream &stream, friend std::ostream &operator<<(std::ostream &stream,
const Argument &argument) { const Argument &argument) {
auto stream_width = stream.width();
std::stringstream name_stream; std::stringstream name_stream;
name_stream << " "; // indent name_stream << " "; // indent
if (argument.is_positional(argument.m_names.front(), if (argument.is_positional(argument.m_names.front(),
@ -669,29 +668,34 @@ public:
name_stream << " " << argument.m_metavar; name_stream << " " << argument.m_metavar;
} }
} }
auto spacing = name_stream.str().size();
// align multiline help message
auto stream_width = stream.width();
auto name_padding = std::string(name_stream.str().size(), ' ');
auto pos = 0; auto pos = 0;
auto prev = 0; auto prev = 0;
auto first_line = true; auto first_line = true;
const char* hspace = " "; // minimal space between name and help message
stream << name_stream.str(); stream << name_stream.str();
std::string_view help_view(argument.m_help);
while ((pos = argument.m_help.find('\n', prev)) != std::string::npos) { while ((pos = argument.m_help.find('\n', prev)) != std::string::npos) {
auto line = argument.m_help.substr(prev, pos - prev + 1); auto line = help_view.substr(prev, pos - prev + 1);
if (first_line) { if (first_line) {
stream << "\t" << line; stream << hspace << line;
first_line = false; first_line = false;
} else { } else {
stream.width(stream_width); stream.width(stream_width);
stream << std::string(spacing, ' ') << "\t" << line; stream << name_padding << hspace << line;
} }
prev += pos - prev + 1; prev += pos - prev + 1;
} }
if (first_line) { if (first_line) {
stream << "\t" << argument.m_help; stream << hspace << argument.m_help;
} else { } else {
auto leftover = argument.m_help.substr(prev, argument.m_help.size() - prev); auto leftover = help_view.substr(prev, argument.m_help.size() - prev);
if (!leftover.empty()) { if (!leftover.empty()) {
stream.width(stream_width); stream.width(stream_width);
stream << std::string(spacing, ' ') << "\t" << leftover; stream << name_padding << hspace << leftover;
} }
} }