poafloc

Parser Of Arguments For Lines Of Commands
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commit84921ee22706704d4d37b23fe3341a0218d099d0
parentfc5fd6d67d7b63502daeaad8e19df559d782a209
authorDimitrije Dobrota <mail@dimitrijedobrota.com>
dateSat, 8 Jun 2024 18:48:44 +0200

Streamline --help generation

Diffstat:
Margs.hpp|+++++++++++++++++--------------------

1 files changed, 17 insertions(+), 20 deletions(-)

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

@@ -309,48 +309,45 @@ class Parser {

argp->doc ? argp->doc : "");
for (const auto &entry : help_entries) {
std::size_t count = 0;
bool prev = false;
std::cout << " ";
std::string message = " ";
for (const char c : entry.opt_short()) {
if (!prev) prev = true;
else
std::cout << ", ", count += 2;
else message += ", ";
std::string message = std::format("-{}", c);
message += std::format("-{}", c);
if (entry.arg() && entry.opt_long().empty()) {
if (entry.opt())
if (entry.opt()) {
message += std::format("[{}]", entry.arg());
else
} else {
message += std::format(" {}", entry.arg());
}
}
std::cout << message;
count += size(message);
}
if (!prev) std::cout << " ", count += 4;
if (!prev) message += " ";
for (const auto l : entry.opt_long()) {
if (!prev) prev = true;
else
std::cout << ", ", count += 2;
else message += ", ";
std::string message = std::format("--{}", l);
message += std::format("--{}", l);
if (entry.arg()) {
if (entry.opt())
if (entry.opt()) {
message += std::format("[={}]", entry.arg());
else
} else {
message += std::format("={}", entry.arg());
}
}
std::cout << message;
count += size(message);
}
static const std::size_t limit = 30;
if (count < limit) std::cout << std::string(limit - count, ' ');
if (size(message) < limit) {
message += std::string(limit - size(message), ' ');
}
std::cout << message;
if (entry.message()) {
std::istringstream iss(entry.message());