poafloc

Parser Of Arguments For Lines Of Commands
git clone git://git.dimitrijedobrota.com/poafloc.git
Log | Files | Refs | README | LICENSE | HACKING | CONTRIBUTING | CODE_OF_CONDUCT | BUILDING
commit 3cdb743888aa56c5e5301858e24973284a311946
parent 0ab5aaf2158b43e4fa1423450384ed51a6c9cbd2
author Dimitrije Dobrota < mail@dimitrijedobrota.com >
date Sat, 8 Jun 2024 20:05:12 +0200

Add support for 2 part message in --help

Diffstat:
M args.hpp | +++++++++++
M demo.cpp | ++++++ -

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;