kakoune/src/option.hh
Maxime Coste b1187cf91d Quote every option type but integral types
Opt-in quoting was a bad choice, lets default to opt-out with
all integral types non quoted.
2018-07-24 20:26:24 +10:00

97 lines
2.3 KiB
C++

#ifndef option_hh_INCLUDED
#define option_hh_INCLUDED
#include "enum.hh"
#include "meta.hh"
#include "vector.hh"
#include "constexpr_utils.hh"
namespace Kakoune
{
class String;
// Forward declare functions that wont get found by ADL
inline String option_to_string(int opt);
inline String option_to_string(size_t opt);
inline String option_to_string(bool opt);
// Default fallback to single value functions
template<typename T>
decltype(option_from_string(Meta::Type<T>{}, StringView{}))
option_from_strings(Meta::Type<T>, ConstArrayView<String> strs)
{
if (strs.size() != 1)
throw runtime_error("expected a single value for option");
return option_from_string(Meta::Type<T>{}, strs[0]);
}
template<typename T>
Vector<decltype(option_to_string(std::declval<T>()))>
option_to_strings(const T& opt)
{
return Vector<String>{option_to_string(opt)};
}
template<typename T>
decltype(option_add(std::declval<T>(), std::declval<String>()))
option_add_from_strings(T& opt, ConstArrayView<String> strs)
{
if (strs.size() != 1)
throw runtime_error("expected a single value for option");
return option_add(opt, strs[0]);
}
template<typename T>
constexpr bool option_needs_quoting(Meta::Type<T>)
{
return not std::is_integral<T>::value;
}
template<typename P, typename T>
struct PrefixedList
{
P prefix;
Vector<T, MemoryDomain::Options> list;
friend bool operator==(const PrefixedList& lhs, const PrefixedList& rhs)
{
return lhs.prefix == rhs.prefix and lhs.list == rhs.list;
}
friend bool operator!=(const PrefixedList& lhs, const PrefixedList& rhs)
{
return not (lhs == rhs);
}
};
template<typename T>
using TimestampedList = PrefixedList<size_t, T>;
enum class DebugFlags
{
None = 0,
Hooks = 1 << 0,
Shell = 1 << 1,
Profile = 1 << 2,
Keys = 1 << 3,
Commands = 1 << 4,
};
constexpr bool with_bit_ops(Meta::Type<DebugFlags>) { return true; }
constexpr auto enum_desc(Meta::Type<DebugFlags>)
{
return make_array<EnumDesc<DebugFlags>, 5>({
{ DebugFlags::Hooks, "hooks" },
{ DebugFlags::Shell, "shell" },
{ DebugFlags::Profile, "profile" },
{ DebugFlags::Keys, "keys" },
{ DebugFlags::Commands, "commands" },
});
}
}
#endif // option_hh_INCLUDED