KeqingMoe/argparse
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clang-format

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This commit is contained in:
Mike Zozu 2020-12-15 16:20:41 +03:00
parent 282f9ebf91
commit 6964cccd2f
1 changed files with 19 additions and 23 deletions
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42
include/argparse/argparse.hpp
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@ -78,10 +78,9 @@ struct is_streamable : std::false_type {};
template <typename T>
struct is_streamable<
T,
std::conditional_t<false,
decltype(std::declval<std::ostream>() << std::declval<T>()),
void>> : std::true_type {};
T, std::conditional_t<
false, decltype(std::declval<std::ostream>() << std::declval<T>()),
void>> : std::true_type {};
template <typename T>
static constexpr bool is_streamable_v = is_streamable<T>::value;
@ -90,27 +89,25 @@ template <typename T>
static constexpr bool is_representable_v =
is_streamable_v<T> || is_container_v<T>;
constexpr size_t repr_max_container_size = 5;
template <typename T>
std::string repr(T const &val) {
if constexpr(std::is_convertible_v<T, std::string_view>) {
template <typename T> std::string repr(T const &val) {
if constexpr (std::is_convertible_v<T, std::string_view>) {
return '"' + std::string{std::string_view{val}} + '"';
} else if constexpr (is_streamable_v<T>) {
std::stringstream out;
out << val;
return out.str();
} else if constexpr(is_container_v<T>) {
} else if constexpr (is_container_v<T>) {
std::stringstream out;
out << "{";
const auto size = val.size();
if (size > 1) {
out << repr(*val.begin());
std::for_each(
std::next(val.begin()),
std::next(val.begin(), std::min(size, repr_max_container_size)-1),
[&out](const auto &v) { out << " " << repr(v); });
std::next(val.begin()),
std::next(val.begin(), std::min(size, repr_max_container_size) - 1),
[&out](const auto &v) { out << " " << repr(v); });
if (size <= repr_max_container_size)
out << " ";
else
@ -142,7 +139,7 @@ template <> constexpr bool standard_unsigned_integer<unsigned long int> = true;
template <>
constexpr bool standard_unsigned_integer<unsigned long long int> = true;
}
} // namespace
template <typename T>
constexpr bool standard_integer =
@ -249,7 +246,7 @@ template <> constexpr auto generic_strtod<float> = strtof;
template <> constexpr auto generic_strtod<double> = strtod;
template <> constexpr auto generic_strtod<long double> = strtold;
}
} // namespace
template <class T> inline auto do_strtod(std::string const &s) -> T {
if (isspace(static_cast<unsigned char>(s[0])) || s[0] == '+')
@ -346,8 +343,7 @@ public:
return *this;
}
template <typename T>
Argument &default_value(T&& aDefaultValue) {
template <typename T> Argument &default_value(T &&aDefaultValue) {
mDefaultValueRepr = details::repr(aDefaultValue);
mDefaultValue = std::forward<T>(aDefaultValue);
return *this;
@ -807,11 +803,10 @@ private:
class ArgumentParser {
public:
explicit ArgumentParser(std::string aProgramName = {}, std::string aVersion = "1.0")
explicit ArgumentParser(std::string aProgramName = {},
std::string aVersion = "1.0")
: mProgramName(std::move(aProgramName)), mVersion(std::move(aVersion)) {
add_argument("-h", "--help")
.help("shows help message and exits")
.nargs(0);
add_argument("-h", "--help").help("shows help message and exits").nargs(0);
add_argument("-v", "--version")
.help("prints version information and exits")
.nargs(0);
@ -907,7 +902,8 @@ public:
* @throws std::logic_error if the option has no value
* @throws std::bad_any_cast if the option is not of type T
*/
template <typename T = std::string> T get(std::string_view aArgumentName) const {
template <typename T = std::string>
T get(std::string_view aArgumentName) const {
return (*this)[aArgumentName].get<T>();
}
@ -946,7 +942,7 @@ public:
}
stream << "\n\n";
if(!parser.mDescription.empty())
if (!parser.mDescription.empty())
stream << parser.mDescription << "\n\n";
if (!parser.mPositionalArguments.empty())
@ -966,7 +962,7 @@ public:
stream << mOptionalArgument;
}
if(!parser.mEpilog.empty())
if (!parser.mEpilog.empty())
stream << parser.mEpilog << "\n\n";
}