poafloc

Add support for 2 part message in --help

2 files changed, 17 insertions(+), 1 deletions(-)

diff --git a/ args.hpp b/ args.hpp

@@ -42,6 +42,7 @@ class Parser { const option_t *options; const parse_f parser; const char *doc;

const char *message;

}; Parser(argp_t *argp) : argp(argp) {

@@ -318,8 +319,16 @@ class Parser { } void help(const char *name) const {

std::string m1, m2;

if (argp->message) {

std::istringstream iss(argp->message);

std::getline(iss, m1, '\v');

std::getline(iss, m2, '\v');

}

std::cout << std::format("Usage: {} [OPTIONS...]", name); print_usage(name);

if (!m1.empty()) std::cout << "\n" << m1;

std::cout << "\n\n"; for (const auto &entry : help_entries) {

@@ -377,6 +386,8 @@ class Parser { std::cout << std::endl; }

if (!m2.empty()) std::cout << "\n" << m2 << "\n";

exit(0); }

diff --git a/ demo.cpp b/ demo.cpp

@@ -52,7 +52,12 @@ static const Parser::option_t options[] = { // clang-format on int main(int argc, char *argv[]) {

Parser::argp_t argp = {options, parse_opt, "doc string"};

Parser::argp_t argp = {

options,

parse_opt,

"doc string\nother usage",

"First half of the message\vsecond half of the message"

};

Parser parser(&argp); arguments_t arguments;