poafloc

Parser Of Arguments For Lines Of Commands
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commit a23c8139cf1ef9d4141701edc0385ab26b07cebd
parent 31ec9d8f40fb2be1730ea600e5e73e2cebb8630a
author Dimitrije Dobrota < mail@dimitrijedobrota.com >
date Thu, 6 Jun 2024 02:19:13 +0200

Ignore options after --

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

2 files changed, 10 insertions(+), 3 deletions(-)

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

@@ -26,13 +26,14 @@ class Parser {

for (int i = 0; argp->options[i].key; i++) {
const auto &option = argp->options[i];
const uint8_t idx = option.key - 'a';

if (options[idx]) {
std::cerr << std::format("duplicate key {}\n", option.key);
throw new std::runtime_error("duplicate key");
}

options[idx] = &option;
if (option.name) trie.insert(option.name, option.key);
options[idx] = &option;
}
}

@@ -45,6 +46,8 @@ class Parser {

continue;
}

if (!std::strcmp(argv[i], "--")) break;

if (argv[i][1] != '-') {
const char *opt = argv[i] + 1;
for (int j = 0; opt[j]; j++) {

@@ -91,6 +94,10 @@ class Parser {

}
}

for (i = i + 1; i < argc; i++) {
argp->parser(-1, argv[i], input);
}

return 0;

unknown:

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

@@ -6,8 +6,8 @@

void error(const std::string &message) { std::cerr << message << std::endl; }

struct arguments_t {
const char *output_file = 0;
const char *input_file = 0;
const char *output_file = "";
const char *input_file = "";

bool debug = 0;
bool hex = 0;