179 lines
6.6 KiB
C++
179 lines
6.6 KiB
C++
/**
|
|
This file is a part of rexy's general purpose library
|
|
Copyright (C) 2022 rexy712
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef REXY_DETAIL_FORMAT_FORMATTER_HPP
|
|
#define REXY_DETAIL_FORMAT_FORMATTER_HPP
|
|
|
|
#include <cstddef> //size_t, nullptr_t
|
|
#include <variant> //monostate
|
|
#include <locale> //locale
|
|
#include <type_traits> //remove_cvref
|
|
#include <utility> //forward
|
|
|
|
#include "basic_types.hpp" //format_specs
|
|
#include "internal_types.hpp"
|
|
#include "standard_types.hpp" //basic_parse_context
|
|
#include "specs_handler.hpp" //format_specs_checker
|
|
#include "traits.hpp"
|
|
|
|
#include "../../string.hpp"
|
|
#include "../../string_view.hpp"
|
|
#include "../../allocator.hpp"
|
|
|
|
namespace rexy::fmt{
|
|
|
|
namespace detail{
|
|
|
|
namespace format{
|
|
|
|
template<class Char, class OutIt>
|
|
constexpr OutIt perform_standard_format(const void* t, OutIt out, const format_specs& specs, const std::locale& loc);
|
|
template<class Char, class OutIt>
|
|
constexpr OutIt perform_standard_format(const void* t, OutIt out);
|
|
template<class Char, class OutIt>
|
|
requires(!UTF8_String<Char>)
|
|
constexpr OutIt perform_standard_format(const Char* c, OutIt out, const format_specs& specs, const std::locale& loc);
|
|
template<UTF8_String Char, class OutIt>
|
|
requires(UTF8_String<Char>)
|
|
constexpr OutIt perform_standard_format(const Char* c, OutIt out, const format_specs& specs, const std::locale& loc);
|
|
template<class Char, class OutIt>
|
|
constexpr OutIt perform_standard_format(const Char* c, OutIt out);
|
|
template<class Char, class OutIt>
|
|
constexpr OutIt perform_standard_format(basic_string_view<std::type_identity_t<Char>> str, OutIt out, const format_specs& specs, const std::locale& loc);
|
|
template<class Char, class OutIt>
|
|
constexpr OutIt perform_standard_format(basic_string_view<std::type_identity_t<Char>> str, OutIt out);
|
|
template<class Char, class OutIt>
|
|
constexpr OutIt perform_standard_format(Char b, OutIt out, const format_specs& specs, const std::locale& loc);
|
|
template<class Char, class OutIt>
|
|
constexpr OutIt perform_standard_format(Char b, OutIt out);
|
|
template<class Char, class OutIt>
|
|
constexpr OutIt perform_standard_format(bool b, OutIt out, const format_specs& specs, const std::locale& loc);
|
|
template<class Char, class OutIt>
|
|
constexpr OutIt perform_standard_format(bool b, OutIt out);
|
|
template<class Char, class OutIt, Integral T>
|
|
constexpr OutIt perform_standard_format(T b, OutIt out, const format_specs& specs, const std::locale& loc);
|
|
template<class Char, class OutIt, Arithmetic T>
|
|
constexpr OutIt perform_standard_format(T b, OutIt out);
|
|
template<class Char, class OutIt, Floating T>
|
|
constexpr OutIt perform_standard_format(T f, OutIt out, const format_specs& specs, const std::locale& loc);
|
|
template<class Char, class OutIt>
|
|
constexpr OutIt perform_standard_format(std::monostate, OutIt out, const format_specs&, const std::locale&);
|
|
template<class Char, class OutIt>
|
|
constexpr OutIt perform_standard_format(std::monostate, OutIt out);
|
|
|
|
template<class FmtCtx, class ParseCtx, class Specs>
|
|
struct arg_formatter{
|
|
FmtCtx& fmt_ctx;
|
|
ParseCtx& parse_ctx;
|
|
const Specs& specs;
|
|
|
|
template<Handle<FmtCtx> T>
|
|
constexpr void operator()(T&& t);
|
|
template<class T>
|
|
constexpr void operator()(T&& t);
|
|
};
|
|
template<class FmtCtx, class ParseCtx>
|
|
struct empty_formatter{
|
|
FmtCtx& fmt_ctx;
|
|
ParseCtx& parse_ctx;
|
|
|
|
template<Handle<FmtCtx> T>
|
|
constexpr void operator()(T&& t);
|
|
template<class T>
|
|
constexpr void operator()(T&& t);
|
|
};
|
|
}
|
|
|
|
|
|
template<class T, class Char>
|
|
class formatter_base
|
|
{
|
|
public:
|
|
using char_type = Char;
|
|
using parse_ctx_t = basic_format_parse_context<char_type>;
|
|
using fmt_ctx_t = detail::fmt_context_t<char_type>;
|
|
using format_spec_t = detail::dynamic_format_specs<char_type>;
|
|
using format_spec_handler_t = detail::format_specs_checker<detail::dynamic_format_specs_handler<parse_ctx_t>>;
|
|
|
|
protected:
|
|
format_spec_t specs;
|
|
|
|
public:
|
|
constexpr auto parse(basic_format_parse_context<Char>& ctx) -> decltype(ctx.begin());
|
|
template<class U, class FormatContext>
|
|
auto format(U&& t, FormatContext& ctx) -> decltype(ctx.out());
|
|
};
|
|
|
|
}
|
|
|
|
}
|
|
|
|
namespace rexy{
|
|
template<class T, class Char = char>
|
|
class formatter;
|
|
|
|
#define IMPLEMENT_STANDARD_FORMATTER(type) \
|
|
template<fmt::detail::Formatter_Char C> \
|
|
class formatter<type, C> : public fmt::detail::formatter_base<fmt::detail::stored_type_t<type,fmt::detail::fmt_context_t<C>>, C>{}
|
|
|
|
IMPLEMENT_STANDARD_FORMATTER(int);
|
|
IMPLEMENT_STANDARD_FORMATTER(unsigned int);
|
|
IMPLEMENT_STANDARD_FORMATTER(long long);
|
|
IMPLEMENT_STANDARD_FORMATTER(unsigned long long);
|
|
IMPLEMENT_STANDARD_FORMATTER(bool);
|
|
IMPLEMENT_STANDARD_FORMATTER(float);
|
|
IMPLEMENT_STANDARD_FORMATTER(double);
|
|
IMPLEMENT_STANDARD_FORMATTER(long double);
|
|
IMPLEMENT_STANDARD_FORMATTER(std::nullptr_t);
|
|
IMPLEMENT_STANDARD_FORMATTER(short);
|
|
IMPLEMENT_STANDARD_FORMATTER(unsigned short);
|
|
IMPLEMENT_STANDARD_FORMATTER(long);
|
|
IMPLEMENT_STANDARD_FORMATTER(unsigned long);
|
|
IMPLEMENT_STANDARD_FORMATTER(char);
|
|
IMPLEMENT_STANDARD_FORMATTER(unsigned char);
|
|
IMPLEMENT_STANDARD_FORMATTER(signed char);
|
|
|
|
template<fmt::detail::Formatter_Char C>
|
|
class formatter<C*,C> : public fmt::detail::formatter_base<const C*,C>{};
|
|
|
|
template<fmt::detail::Formatter_Char C>
|
|
class formatter<const C*,C> : public fmt::detail::formatter_base<const C*,C>{};
|
|
|
|
template<fmt::detail::Formatter_Char C, std::size_t I>
|
|
class formatter<const C[I],C> : public fmt::detail::formatter_base<const C*,C>{};
|
|
|
|
template<fmt::detail::Formatter_Char C, REXY_ALLOCATOR_CONCEPT A>
|
|
class formatter<basic_string<C,A>,C> : public fmt::detail::formatter_base<basic_string_view<C>,C>{};
|
|
|
|
template<fmt::detail::Formatter_Char C>
|
|
class formatter<basic_string_view<C>,C> : public fmt::detail::formatter_base<basic_string_view<C>,C>{};
|
|
|
|
template<class T, fmt::detail::Formatter_Char C>
|
|
class formatter<T*,C> : public fmt::detail::formatter_base<const void*,C>{};
|
|
|
|
template<class T, fmt::detail::Formatter_Char C>
|
|
class formatter<const T*,C> : public fmt::detail::formatter_base<const void*,C>{};
|
|
|
|
|
|
#undef IMPLEMENT_STANDARD_FORMATTER
|
|
|
|
|
|
}
|
|
|
|
#endif
|