bool
CmdOptions::Parse (int argc, char *argv[])
{
try {
int a(1);
bool keepParsing (true);
QString word;
while (a < argc) {
word = QString (argv[a]);
if (word == "--") {
keepParsing = false;
} else if (keepParsing && word.startsWith("--")) {
ParseLong (word, argv, a, argc+1);
} else if (keepParsing && word.startsWith("-")) {
ParseShort (word, argv, a, argc+1);
} else {
mArgs += word;
}
a++;
}
} catch (...) {
bad = true;
return false;
}
bad = false;
return true;
}
void AppArgs::Parse(int argc, const char* const* argv)
{
for (int i=1; i<argc; i++) {
// this shouldn't occur
if (argv[i] == NULL)
return;
if (IsOption(argv[i])) {
if (IsLongOption(argv[i])) {
std::string name, val;
bool hasVal;
if (ParseLong(argv[i], name, val, hasVal)) {
AA_LONG_MAP::iterator it = s_longMap.find(name);
if (it != s_longMap.end()) {
AppArgOption_t* pOpt = (*it).second;
pOpt->found = true;
pOpt->hasVal = hasVal;
pOpt->val = val;
}
}
}
else {
char name;
std::string val;
bool hasVal;
ParseShort(argv[i], name, val, hasVal);
AA_SHORT_MAP::iterator it = s_shortMap.find(name);
if (it != s_shortMap.end()) {
AppArgOption_t* pOpt = (*it).second;
pOpt->found = true;
if (hasVal) {
pOpt->hasVal = true;
pOpt->val = val;
}
else {
if (i+1 < argc && !IsOption(argv[i+1])) {
pOpt->hasVal = true;
pOpt->val = argv[i+1];
i++;
}
else {
pOpt->hasVal = false;
}
}
}
}
}
else {
s_valList.push_back(argv[i]);
}
}
}
void OptionParser::Run_(int& argc, const char** argv)
{
argv0 = argv[0];
int endp = 1;
if (argc == 1)
{
if (no_opts_help)
{
ShowHelp();
throw Exit{true};
}
else return;
}
std::array<Option*, 256> short_opts{};
NEPTOOLS_STATIC_ASSERT(CHAR_BIT == 8);
std::map<const char*, Option*, OptCmp> long_opts;
for (auto g : groups)
for (auto o : g->GetOptions())
{
if (!o->enabled) continue;
if (o->short_name)
{
if (short_opts[static_cast<unsigned char>(o->short_name)])
NEPTOOLS_THROW(std::logic_error{"Duplicate short option"});
short_opts[static_cast<unsigned char>(o->short_name)] = o;
}
auto x = long_opts.insert(std::make_pair(o->name, o));
if (!x.second)
NEPTOOLS_THROW(std::logic_error{"Duplicate long option"});
}
for (int i = 1; i < argc; ++i)
{
// option: "--"something, "-"something
// non option: something, "-"
// special: "--"
// non option
if (argv[i][0] != '-' || (argv[i][0] == '-' && argv[i][1] == '\0'))
{
if (no_arg_fun) no_arg_fun(argv[i]);
else argv[endp++] = argv[i];
}
else
{
if (argv[i][1] != '-') // short
i += ParseShort(short_opts, argc, i, argv);
else if (argv[i][1] == '-' && argv[i][2] != '\0') // long
i += AddInfo(std::bind(ParseLong, long_opts, argc, i, argv),
[=](auto& e) { e << ProcessedOption{argv[i]}; });
else // --: end of args
{
if (no_arg_fun)
for (++i; i < argc; ++i)
no_arg_fun(argv[i]);
else
for (++i; i < argc; ++i)
argv[endp++] = argv[i];
break;
}
}
}
argc = endp;
argv[argc] = nullptr;
}
