poafloc

Remove exceptions, silently skip invalid options

3 files changed, 12 insertions(+), 13 deletions(-)

diff --git a/ CMakeLists.txt b/ CMakeLists.txt

@@ -3,7 +3,7 @@ set(CMAKE_EXPORT_COMPILE_COMMANDS ON) project( args

VERSION 0.0.4

VERSION 0.0.5

DESCRIPTION "Command Line Argument Parser" LANGUAGES CXX C )

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

@@ -12,14 +12,14 @@ namespace args { using option_t = args_option_t; using argp_t = args_argp_t;

int parse(const argp_t *argp, int argc, char *argv[], void *input);

int parse(const argp_t *argp, int argc, char *argv[], void *input) noexcept;

class Parser { public: void *input() const { return m_input; } private:

friend int parse(const argp_t *argp, int argc, char *argv[], void *input);

friend int parse(const argp_t *, int, char **, void *) noexcept;

Parser(const argp_t *argp, void *input);

diff --git a/ src/args.cpp b/ src/args.cpp

@@ -2,14 +2,13 @@ #include <algorithm> #include <cstring>

#include <exception>

#include <format> #include <iostream> #include <sstream> namespace args {

int parse(const argp_t *argp, int argc, char *argv[], void *input) {

int parse(const argp_t *argp, int argc, char *argv[], void *input) noexcept {

Parser parser(argp, input); return parser.parse(argc, argv, &parser); }

@@ -30,13 +29,13 @@ Parser::Parser(const argp_t *argp, void *input) : argp(argp), m_input(input) { if (!opt.key) { if ((opt.flags & ALIAS) == 0) {

std::cerr << "non alias without a key\n";

throw new std::runtime_error("no key");

// non alias without a key, silently ignoring

continue;

} if (!key_last) {

std::cerr << "no option to alias\n";

throw new std::runtime_error("no alias");

// nothing to alias, silently ignoring

continue;

} trie.insert(opt.name, key_last);

@@ -47,8 +46,8 @@ Parser::Parser(const argp_t *argp, void *input) : argp(argp), m_input(input) { help_entries.back().push(opt.name); } else { if (options.count(opt.key)) {

std::cerr << std::format("duplicate key {}\n", opt.key);

throw new std::runtime_error("duplicate key");

// duplicate key, silently ignoring

continue;

} if (opt.name) trie.insert(opt.name, opt.key);

@@ -68,8 +67,8 @@ Parser::Parser(const argp_t *argp, void *input) : argp(argp), m_input(input) { } } else { if (!key_last) {

std::cerr << "no option to alias\n";

throw new std::runtime_error("no alias");

// nothing to alias, silently ignoring

continue;

} if (hidden) continue;