poafloc

Parser Of Arguments For Lines Of Commands
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commit4f7bad5dac5683710d20921ed4b00eee7f1137a7
parent4a5bf21bf3d47c94020a12a43ab2c7fb3094be87
authorDimitrije Dobrota <mail@dimitrijedobrota.com>
dateFri, 7 Jun 2024 19:19:31 +0200

Long messages are now split into multiple lines

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

2 files changed, 22 insertions(+), 7 deletions(-)

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

@@ -7,6 +7,7 @@

#include <exception>
#include <format>
#include <iostream>
#include <sstream>
#include <unordered_map>
#include <vector>

@@ -76,18 +77,20 @@ class Parser {

if ((opt.options & ALIAS) == 0) {
help_entries.emplace_back(opt.arg, opt.message);
if (std::isprint(opt.key))
help_entries.back().push(opt.key);
if (opt.name) help_entries.back().push(opt.name);
if (std::isprint(opt.key)) {
help_entries.back().push(opt.key);
}
} else {
if (!key_last) {
std::cerr << "no option to alias\n";
throw new std::runtime_error("no alias");
}
if (std::isprint(opt.key))
help_entries.back().push(opt.key);
if (opt.name) help_entries.back().push(opt.name);
if (std::isprint(opt.key)) {
help_entries.back().push(opt.key);
}
}
}

@@ -325,7 +328,19 @@ class Parser {

if (count < limit) std::cout << std::string(limit - count, ' ');
if (entry.message()) {
std::cout << std::format(" {}", entry.message());
std::istringstream iss(entry.message());
std::size_t count = 0;
std::string s;
std::cout << " ";
while (iss >> s) {
count += size(s);
if (count > limit) {
std::cout << std::endl << std::string(limit + 5, ' ');
count = size(s);
}
std::cout << s << " ";
}
}
std::cout << std::endl;
}

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

@@ -31,7 +31,7 @@ int parse_opt(int key, const char *arg, void *input) {

case 'o': arguments->output_file = arg ? arg : "stdout"; break;
case 'i': arguments->input_file = arg; break;
case Parser::Key::ARG: arguments->args.push_back(arg); break;
case Parser::Key::ERROR: std::cerr << "handled error\n";
case Parser::Key::ERROR: std::cerr << "handled error\n";
}
return 0;

@@ -42,7 +42,7 @@ using enum Parser::Option;

// clang-format off
static const Parser::option_t options[] = {
{ "output", 'o', "file", ARG_OPTIONAL, "Output file, default stdout"},
{ 0, 'i', "file", 0, "Input file"},
{ 0, 'i', "file", 0, "Input file"},
{ "debug", 777, 0, 0, "Execute program in debugging mode"},
{ "hex", 'h', 0, 0, "Output in hex format"},
{"hexadecimal", 0, 0, ALIAS},