mirror of
https://github.com/ToruNiina/toml11.git
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1301 lines
51 KiB
C++
1301 lines
51 KiB
C++
// Copyright Toru Niina 2017.
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// Distributed under the MIT License.
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#ifndef TOML11_VALUE_HPP
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#define TOML11_VALUE_HPP
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#include "traits.hpp"
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#include "into.hpp"
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#include "from.hpp"
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#include "utility.hpp"
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#include "exception.hpp"
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#include "storage.hpp"
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#include "region.hpp"
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#include "types.hpp"
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#include "source_location.hpp"
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#include "comments.hpp"
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#include <cassert>
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namespace toml
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{
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namespace detail
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{
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// to show error messages. not recommended for users.
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template<typename C, template<typename ...> class T, template<typename ...> class A>
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region_base const& get_region(const basic_value<C, T, A>&);
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template<typename Region,
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typename C, template<typename ...> class T, template<typename ...> class A>
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void change_region(basic_value<C, T, A>&, Region&&);
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template<value_t Expected,
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typename C, template<typename ...> class T, template<typename ...> class A>
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[[noreturn]] inline void
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throw_bad_cast(value_t actual, const ::toml::basic_value<C, T, A>& v)
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{
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throw type_error(detail::format_underline(concat_to_string(
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"[error] toml::value bad_cast to ", Expected), {
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{std::addressof(get_region(v)),
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concat_to_string("the actual type is ", actual)}
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}));
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}
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// switch by `value_t` and call the corresponding `value::as_xxx()`. {{{
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template<value_t T>
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struct switch_cast {};
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template<>
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struct switch_cast<value_t::boolean>
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{
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template<typename C, template<typename ...> class T, template<typename ...> class A>
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static ::toml::boolean& invoke(basic_value<C, T, A>& v) noexcept
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{
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return v.as_boolean();
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}
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template<typename C, template<typename ...> class T, template<typename ...> class A>
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static ::toml::boolean const& invoke(basic_value<C, T, A> const& v) noexcept
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{
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return v.as_boolean();
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}
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template<typename C, template<typename ...> class T, template<typename ...> class A>
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static ::toml::boolean&& invoke(basic_value<C, T, A>&& v) noexcept
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{
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return std::move(v).as_boolean();
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}
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};
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template<>
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struct switch_cast<value_t::integer>
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{
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template<typename C, template<typename ...> class T, template<typename ...> class A>
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static ::toml::integer& invoke(basic_value<C, T, A>& v) noexcept
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{
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return v.as_integer();
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}
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template<typename C, template<typename ...> class T, template<typename ...> class A>
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static ::toml::integer const& invoke(basic_value<C, T, A> const& v) noexcept
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{
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return v.as_integer();
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}
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template<typename C, template<typename ...> class T, template<typename ...> class A>
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static ::toml::integer&& invoke(basic_value<C, T, A>&& v) noexcept
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{
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return std::move(v).as_integer();
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}
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};
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template<>
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struct switch_cast<value_t::floating>
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{
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template<typename C, template<typename ...> class T, template<typename ...> class A>
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static ::toml::floating& invoke(basic_value<C, T, A>& v) noexcept
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{
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return v.as_floating();
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}
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template<typename C, template<typename ...> class T, template<typename ...> class A>
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static ::toml::floating const& invoke(basic_value<C, T, A> const& v) noexcept
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{
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return v.as_floating();
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}
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template<typename C, template<typename ...> class T, template<typename ...> class A>
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static ::toml::floating&& invoke(basic_value<C, T, A>&& v) noexcept
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{
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return std::move(v).as_floating();
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}
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};
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template<>
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struct switch_cast<value_t::string>
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{
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template<typename C, template<typename ...> class T, template<typename ...> class A>
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static ::toml::string& invoke(basic_value<C, T, A>& v) noexcept
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{
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return v.as_string();
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}
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template<typename C, template<typename ...> class T, template<typename ...> class A>
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static ::toml::string const& invoke(basic_value<C, T, A> const& v) noexcept
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{
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return v.as_string();
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}
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template<typename C, template<typename ...> class T, template<typename ...> class A>
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static ::toml::string&& invoke(basic_value<C, T, A>&& v) noexcept
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{
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return std::move(v).as_string();
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}
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};
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template<>
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struct switch_cast<value_t::offset_datetime>
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{
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template<typename C, template<typename ...> class T, template<typename ...> class A>
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static ::toml::offset_datetime& invoke(basic_value<C, T, A>& v) noexcept
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{
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return v.as_offset_datetime();
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}
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template<typename C, template<typename ...> class T, template<typename ...> class A>
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static ::toml::offset_datetime const& invoke(basic_value<C, T, A> const& v) noexcept
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{
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return v.as_offset_datetime();
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}
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template<typename C, template<typename ...> class T, template<typename ...> class A>
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static ::toml::offset_datetime&& invoke(basic_value<C, T, A>&& v) noexcept
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{
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return std::move(v).as_offset_datetime();
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}
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};
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template<>
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struct switch_cast<value_t::local_datetime>
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{
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template<typename C, template<typename ...> class T, template<typename ...> class A>
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static ::toml::local_datetime& invoke(basic_value<C, T, A>& v) noexcept
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{
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return v.as_local_datetime();
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}
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template<typename C, template<typename ...> class T, template<typename ...> class A>
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static ::toml::local_datetime const& invoke(basic_value<C, T, A> const& v) noexcept
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{
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return v.as_local_datetime();
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}
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template<typename C, template<typename ...> class T, template<typename ...> class A>
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static ::toml::local_datetime&& invoke(basic_value<C, T, A>&& v) noexcept
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{
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return std::move(v).as_local_datetime();
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}
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};
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template<>
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struct switch_cast<value_t::local_date>
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{
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template<typename C, template<typename ...> class T, template<typename ...> class A>
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static ::toml::local_date& invoke(basic_value<C, T, A>& v) noexcept
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{
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return v.as_local_date();
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}
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template<typename C, template<typename ...> class T, template<typename ...> class A>
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static ::toml::local_date const& invoke(basic_value<C, T, A> const& v) noexcept
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{
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return v.as_local_date();
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}
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template<typename C, template<typename ...> class T, template<typename ...> class A>
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static ::toml::local_date&& invoke(basic_value<C, T, A>&& v) noexcept
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{
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return std::move(v).as_local_date();
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}
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};
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template<>
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struct switch_cast<value_t::local_time>
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{
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template<typename C, template<typename ...> class T, template<typename ...> class A>
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static ::toml::local_time& invoke(basic_value<C, T, A>& v) noexcept
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{
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return v.as_local_time();
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}
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template<typename C, template<typename ...> class T, template<typename ...> class A>
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static ::toml::local_time const& invoke(basic_value<C, T, A> const& v) noexcept
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{
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return v.as_local_time();
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}
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template<typename C, template<typename ...> class T, template<typename ...> class A>
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static ::toml::local_time&& invoke(basic_value<C, T, A>&& v) noexcept
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{
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return std::move(v).as_local_time();
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}
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};
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template<>
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struct switch_cast<value_t::array>
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{
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template<typename C, template<typename ...> class T, template<typename ...> class A>
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static typename basic_value<C, T, A>::array_type&
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invoke(basic_value<C, T, A>& v) noexcept
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{
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return v.as_array();
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}
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template<typename C, template<typename ...> class T, template<typename ...> class A>
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static typename basic_value<C, T, A>::array_type const&
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invoke(basic_value<C, T, A> const& v) noexcept
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{
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return v.as_array();
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}
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template<typename C, template<typename ...> class T, template<typename ...> class A>
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static typename basic_value<C, T, A>::array_type &&
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invoke(basic_value<C, T, A>&& v) noexcept
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{
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return std::move(v).as_array();
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}
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};
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template<>
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struct switch_cast<value_t::table>
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{
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template<typename C, template<typename ...> class T, template<typename ...> class A>
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static typename basic_value<C, T, A>::table_type&
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invoke(basic_value<C, T, A>& v) noexcept
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{
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return v.as_table();
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}
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template<typename C, template<typename ...> class T, template<typename ...> class A>
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static typename basic_value<C, T, A>::table_type const&
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invoke(basic_value<C, T, A> const& v) noexcept
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{
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return v.as_table();
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}
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template<typename C, template<typename ...> class T, template<typename ...> class A>
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static typename basic_value<C, T, A>::table_type &&
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invoke(basic_value<C, T, A>&& v) noexcept
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{
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return std::move(v).as_table();
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}
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}; // }}}
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}// detail
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template<typename Comment, // discard/preserve_comment
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template<typename ...> class Table = std::unordered_map,
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template<typename ...> class Array = std::vector>
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class basic_value
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{
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template<typename T, typename U>
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static void assigner(T& dst, U&& v)
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{
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const auto tmp = ::new(std::addressof(dst)) T(std::forward<U>(v));
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assert(tmp == std::addressof(dst));
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(void)tmp;
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}
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using region_base = detail::region_base;
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public:
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using comment_type = Comment;
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using key_type = ::toml::key;
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using value_type = basic_value<comment_type, Table, Array>;
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using boolean_type = ::toml::boolean;
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using integer_type = ::toml::integer;
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using floating_type = ::toml::floating;
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using string_type = ::toml::string;
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using local_time = ::toml::local_time;
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using local_date = ::toml::local_date;
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using local_datetime = ::toml::local_datetime;
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using offset_datetime = ::toml::offset_datetime;
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using array_type = Array<value_type>;
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using table_type = Table<key_type, value_type>;
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public:
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basic_value() noexcept
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: type_(value_t::empty),
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region_info_(std::make_shared<region_base>(region_base{}))
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{}
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~basic_value() noexcept {this->cleanup();}
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basic_value(const basic_value& v)
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: type_(v.type()), region_info_(v.region_info_), comments_(v.comments_)
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{
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switch(v.type())
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{
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case value_t::boolean : assigner(boolean_ , v.boolean_ ); break;
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case value_t::integer : assigner(integer_ , v.integer_ ); break;
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case value_t::floating : assigner(floating_ , v.floating_ ); break;
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case value_t::string : assigner(string_ , v.string_ ); break;
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case value_t::offset_datetime: assigner(offset_datetime_, v.offset_datetime_); break;
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case value_t::local_datetime : assigner(local_datetime_ , v.local_datetime_ ); break;
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case value_t::local_date : assigner(local_date_ , v.local_date_ ); break;
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case value_t::local_time : assigner(local_time_ , v.local_time_ ); break;
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case value_t::array : assigner(array_ , v.array_ ); break;
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case value_t::table : assigner(table_ , v.table_ ); break;
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default: break;
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}
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}
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basic_value(basic_value&& v)
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: type_(v.type()), region_info_(std::move(v.region_info_)),
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comments_(std::move(v.comments_))
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{
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switch(this->type_) // here this->type_ is already initialized
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{
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case value_t::boolean : assigner(boolean_ , std::move(v.boolean_ )); break;
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case value_t::integer : assigner(integer_ , std::move(v.integer_ )); break;
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case value_t::floating : assigner(floating_ , std::move(v.floating_ )); break;
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case value_t::string : assigner(string_ , std::move(v.string_ )); break;
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case value_t::offset_datetime: assigner(offset_datetime_, std::move(v.offset_datetime_)); break;
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case value_t::local_datetime : assigner(local_datetime_ , std::move(v.local_datetime_ )); break;
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case value_t::local_date : assigner(local_date_ , std::move(v.local_date_ )); break;
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case value_t::local_time : assigner(local_time_ , std::move(v.local_time_ )); break;
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case value_t::array : assigner(array_ , std::move(v.array_ )); break;
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case value_t::table : assigner(table_ , std::move(v.table_ )); break;
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default: break;
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}
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}
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basic_value& operator=(const basic_value& v)
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{
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this->cleanup();
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this->region_info_ = v.region_info_;
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this->comments_ = v.comments_;
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this->type_ = v.type();
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switch(this->type_)
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{
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case value_t::boolean : assigner(boolean_ , v.boolean_ ); break;
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case value_t::integer : assigner(integer_ , v.integer_ ); break;
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case value_t::floating : assigner(floating_ , v.floating_ ); break;
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case value_t::string : assigner(string_ , v.string_ ); break;
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case value_t::offset_datetime: assigner(offset_datetime_, v.offset_datetime_); break;
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case value_t::local_datetime : assigner(local_datetime_ , v.local_datetime_ ); break;
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case value_t::local_date : assigner(local_date_ , v.local_date_ ); break;
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case value_t::local_time : assigner(local_time_ , v.local_time_ ); break;
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case value_t::array : assigner(array_ , v.array_ ); break;
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case value_t::table : assigner(table_ , v.table_ ); break;
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default: break;
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}
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return *this;
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}
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basic_value& operator=(basic_value&& v)
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{
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this->cleanup();
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this->region_info_ = std::move(v.region_info_);
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this->comments_ = std::move(v.comments_);
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this->type_ = v.type();
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switch(this->type_)
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{
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case value_t::boolean : assigner(boolean_ , std::move(v.boolean_ )); break;
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case value_t::integer : assigner(integer_ , std::move(v.integer_ )); break;
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case value_t::floating : assigner(floating_ , std::move(v.floating_ )); break;
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case value_t::string : assigner(string_ , std::move(v.string_ )); break;
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case value_t::offset_datetime: assigner(offset_datetime_, std::move(v.offset_datetime_)); break;
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case value_t::local_datetime : assigner(local_datetime_ , std::move(v.local_datetime_ )); break;
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case value_t::local_date : assigner(local_date_ , std::move(v.local_date_ )); break;
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case value_t::local_time : assigner(local_time_ , std::move(v.local_time_ )); break;
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case value_t::array : assigner(array_ , std::move(v.array_ )); break;
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case value_t::table : assigner(table_ , std::move(v.table_ )); break;
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default: break;
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}
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return *this;
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}
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// -----------------------------------------------------------------------
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// conversion between different basic_values.
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template<typename C,
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template<typename ...> class T,
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template<typename ...> class A>
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basic_value(const basic_value<C, T, A>& v)
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: type_(v.type()), region_info_(v.region_info_), comments_(v.comments_)
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{
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switch(v.type())
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{
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case value_t::boolean : assigner(boolean_ , v.boolean_ ); break;
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case value_t::integer : assigner(integer_ , v.integer_ ); break;
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case value_t::floating : assigner(floating_ , v.floating_ ); break;
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case value_t::string : assigner(string_ , v.string_ ); break;
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case value_t::offset_datetime: assigner(offset_datetime_, v.offset_datetime_); break;
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case value_t::local_datetime : assigner(local_datetime_ , v.local_datetime_ ); break;
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case value_t::local_date : assigner(local_date_ , v.local_date_ ); break;
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case value_t::local_time : assigner(local_time_ , v.local_time_ ); break;
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case value_t::array :
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{
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array_type tmp(v.array_.begin(), v.array_.end());
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assigner(array_, std::move(tmp));
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break;
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}
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case value_t::table :
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{
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table_type tmp(v.table_.begin(), v.table_.end());
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assigner(table_, std::move(tmp));
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break;
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}
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default: break;
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}
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}
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template<typename C,
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template<typename ...> class T,
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template<typename ...> class A>
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basic_value& operator=(const basic_value<C, T, A>& v)
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{
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this->region_info_ = v.region_info_;
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this->comments_ = v.comments_;
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this->type_ = v.type_;
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switch(v.type())
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{
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case value_t::boolean : assigner(boolean_ , v.boolean_ ); break;
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case value_t::integer : assigner(integer_ , v.integer_ ); break;
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case value_t::floating : assigner(floating_ , v.floating_ ); break;
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case value_t::string : assigner(string_ , v.string_ ); break;
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case value_t::offset_datetime: assigner(offset_datetime_, v.offset_datetime_); break;
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case value_t::local_datetime : assigner(local_datetime_ , v.local_datetime_ ); break;
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case value_t::local_date : assigner(local_date_ , v.local_date_ ); break;
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case value_t::local_time : assigner(local_time_ , v.local_time_ ); break;
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case value_t::array :
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{
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array_type tmp(v.array_.begin(), v.array_.end());
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assigner(array_, std::move(tmp));
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break;
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}
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case value_t::table :
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{
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table_type tmp(v.table_.begin(), v.table_.end());
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assigner(table_, std::move(tmp));
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break;
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}
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default: break;
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}
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}
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// boolean ==============================================================
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basic_value(boolean b)
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: type_(value_t::boolean),
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region_info_(std::make_shared<region_base>(region_base{}))
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{
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assigner(this->boolean_, b);
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|
}
|
|
|
|
basic_value& operator=(boolean b)
|
|
{
|
|
this->cleanup();
|
|
this->type_ = value_t::boolean;
|
|
this->region_info_ = std::make_shared<region_base>(region_base{});
|
|
assigner(this->boolean_, b);
|
|
return *this;
|
|
}
|
|
|
|
template<typename Container>
|
|
basic_value(boolean b, detail::region<Container> reg)
|
|
: type_(value_t::boolean),
|
|
region_info_(std::make_shared<detail::region<Container>>(std::move(reg)))
|
|
{
|
|
assigner(this->boolean_, b);
|
|
}
|
|
|
|
// integer ==============================================================
|
|
|
|
template<typename T, typename std::enable_if<detail::conjunction<
|
|
std::is_integral<T>, detail::negation<std::is_same<T, boolean>>>::value,
|
|
std::nullptr_t>::type = nullptr>
|
|
basic_value(T i)
|
|
: type_(value_t::integer),
|
|
region_info_(std::make_shared<region_base>(region_base{}))
|
|
{
|
|
assigner(this->integer_, static_cast<integer>(i));
|
|
}
|
|
|
|
template<typename T, typename Container, typename std::enable_if<
|
|
detail::conjunction<
|
|
std::is_integral<T>,
|
|
detail::negation<std::is_same<T, boolean>>
|
|
>::value, std::nullptr_t>::type = nullptr>
|
|
basic_value(T i, detail::region<Container> reg)
|
|
: type_(value_t::integer),
|
|
region_info_(std::make_shared<detail::region<Container>>(std::move(reg)))
|
|
{
|
|
assigner(this->integer_, static_cast<integer>(i));
|
|
}
|
|
|
|
template<typename T, typename std::enable_if<detail::conjunction<
|
|
std::is_integral<T>, detail::negation<std::is_same<T, boolean>>>::value,
|
|
std::nullptr_t>::type = nullptr>
|
|
basic_value& operator=(T i)
|
|
{
|
|
this->cleanup();
|
|
this->type_ = value_t::integer;
|
|
this->region_info_ = std::make_shared<region_base>(region_base{});
|
|
assigner(this->integer_, static_cast<integer>(i));
|
|
return *this;
|
|
}
|
|
|
|
// floating =============================================================
|
|
|
|
template<typename T, typename std::enable_if<
|
|
std::is_floating_point<T>::value, std::nullptr_t>::type = nullptr>
|
|
basic_value(T f)
|
|
: type_(value_t::floating),
|
|
region_info_(std::make_shared<region_base>(region_base{}))
|
|
{
|
|
assigner(this->floating_, f);
|
|
}
|
|
|
|
template<typename T, typename Container, typename std::enable_if<
|
|
std::is_floating_point<T>::value, std::nullptr_t>::type = nullptr>
|
|
basic_value(T f, detail::region<Container> reg)
|
|
: type_(value_t::floating),
|
|
region_info_(std::make_shared<detail::region<Container>>(std::move(reg)))
|
|
{
|
|
assigner(this->floating_, f);
|
|
}
|
|
|
|
template<typename T, typename std::enable_if<
|
|
std::is_floating_point<T>::value, std::nullptr_t>::type = nullptr>
|
|
basic_value& operator=(T f)
|
|
{
|
|
this->cleanup();
|
|
this->type_ = value_t::floating;
|
|
this->region_info_ = std::make_shared<region_base>(region_base{});
|
|
assigner(this->floating_, f);
|
|
return *this;
|
|
}
|
|
|
|
// string ===============================================================
|
|
|
|
basic_value(toml::string s)
|
|
: type_(value_t::string),
|
|
region_info_(std::make_shared<region_base>(region_base{}))
|
|
{
|
|
assigner(this->string_, std::move(s));
|
|
}
|
|
template<typename Container>
|
|
basic_value(toml::string s, detail::region<Container> reg)
|
|
: type_(value_t::string),
|
|
region_info_(std::make_shared<detail::region<Container>>(std::move(reg)))
|
|
{
|
|
assigner(this->string_, std::move(s));
|
|
}
|
|
basic_value& operator=(toml::string s)
|
|
{
|
|
this->cleanup();
|
|
this->type_ = value_t::string ;
|
|
this->region_info_ = std::make_shared<region_base>(region_base{});
|
|
assigner(this->string_, s);
|
|
return *this;
|
|
}
|
|
|
|
basic_value(std::string s)
|
|
: type_(value_t::string),
|
|
region_info_(std::make_shared<region_base>(region_base{}))
|
|
{
|
|
assigner(this->string_, toml::string(std::move(s)));
|
|
}
|
|
basic_value& operator=(std::string s)
|
|
{
|
|
this->cleanup();
|
|
this->type_ = value_t::string ;
|
|
this->region_info_ = std::make_shared<region_base>(region_base{});
|
|
assigner(this->string_, toml::string(std::move(s)));
|
|
return *this;
|
|
}
|
|
basic_value(std::string s, string_t kind)
|
|
: type_(value_t::string),
|
|
region_info_(std::make_shared<region_base>(region_base{}))
|
|
{
|
|
assigner(this->string_, toml::string(std::move(s), kind));
|
|
}
|
|
|
|
basic_value(const char* s)
|
|
: type_(value_t::string),
|
|
region_info_(std::make_shared<region_base>(region_base{}))
|
|
{
|
|
assigner(this->string_, toml::string(std::string(s)));
|
|
}
|
|
basic_value& operator=(const char* s)
|
|
{
|
|
this->cleanup();
|
|
this->type_ = value_t::string ;
|
|
this->region_info_ = std::make_shared<region_base>(region_base{});
|
|
assigner(this->string_, toml::string(std::string(s)));
|
|
return *this;
|
|
}
|
|
basic_value(const char* s, string_t kind)
|
|
: type_(value_t::string),
|
|
region_info_(std::make_shared<region_base>(region_base{}))
|
|
{
|
|
assigner(this->string_, toml::string(std::string(s), kind));
|
|
}
|
|
|
|
#if __cplusplus >= 201703L
|
|
basic_value(std::string_view s)
|
|
: type_(value_t::string),
|
|
region_info_(std::make_shared<region_base>(region_base{}))
|
|
{
|
|
assigner(this->string_, toml::string(s));
|
|
}
|
|
basic_value& operator=(std::string_view s)
|
|
{
|
|
this->cleanup();
|
|
this->type_ = value_t::string ;
|
|
this->region_info_ = std::make_shared<region_base>(region_base{});
|
|
assigner(this->string_, toml::string(s));
|
|
return *this;
|
|
}
|
|
basic_value(std::string_view s, string_t kind)
|
|
: type_(value_t::string),
|
|
region_info_(std::make_shared<region_base>(region_base{}))
|
|
{
|
|
assigner(this->string_, toml::string(s, kind));
|
|
}
|
|
#endif
|
|
|
|
// local date ===========================================================
|
|
|
|
basic_value(const local_date& ld)
|
|
: type_(value_t::local_date),
|
|
region_info_(std::make_shared<region_base>(region_base{}))
|
|
{
|
|
assigner(this->local_date_, ld);
|
|
}
|
|
template<typename Container>
|
|
basic_value(const local_date& ld, detail::region<Container> reg)
|
|
: type_(value_t::local_date),
|
|
region_info_(std::make_shared<detail::region<Container>>(std::move(reg)))
|
|
{
|
|
assigner(this->local_date_, ld);
|
|
}
|
|
basic_value& operator=(const local_date& ld)
|
|
{
|
|
this->cleanup();
|
|
this->type_ = value_t::local_date;
|
|
this->region_info_ = std::make_shared<region_base>(region_base{});
|
|
assigner(this->local_date_, ld);
|
|
return *this;
|
|
}
|
|
|
|
// local time ===========================================================
|
|
|
|
basic_value(const local_time& lt)
|
|
: type_(value_t::local_time),
|
|
region_info_(std::make_shared<region_base>(region_base{}))
|
|
{
|
|
assigner(this->local_time_, lt);
|
|
}
|
|
template<typename Container>
|
|
basic_value(const local_time& lt, detail::region<Container> reg)
|
|
: type_(value_t::local_time),
|
|
region_info_(std::make_shared<detail::region<Container>>(std::move(reg)))
|
|
{
|
|
assigner(this->local_time_, lt);
|
|
}
|
|
basic_value& operator=(const local_time& lt)
|
|
{
|
|
this->cleanup();
|
|
this->type_ = value_t::local_time;
|
|
this->region_info_ = std::make_shared<region_base>(region_base{});
|
|
assigner(this->local_time_, lt);
|
|
return *this;
|
|
}
|
|
template<typename Rep, typename Period>
|
|
basic_value(const std::chrono::duration<Rep, Period>& dur)
|
|
: type_(value_t::local_time),
|
|
region_info_(std::make_shared<region_base>(region_base{}))
|
|
{
|
|
assigner(this->local_time_, local_time(dur));
|
|
}
|
|
template<typename Rep, typename Period>
|
|
basic_value& operator=(const std::chrono::duration<Rep, Period>& dur)
|
|
{
|
|
this->cleanup();
|
|
this->type_ = value_t::local_time;
|
|
this->region_info_ = std::make_shared<region_base>(region_base{});
|
|
assigner(this->local_time_, local_time(dur));
|
|
return *this;
|
|
}
|
|
|
|
// local datetime =======================================================
|
|
|
|
basic_value(const local_datetime& ldt)
|
|
: type_(value_t::local_datetime),
|
|
region_info_(std::make_shared<region_base>(region_base{}))
|
|
{
|
|
assigner(this->local_datetime_, ldt);
|
|
}
|
|
template<typename Container>
|
|
basic_value(const local_datetime& ldt, detail::region<Container> reg)
|
|
: type_(value_t::local_datetime),
|
|
region_info_(std::make_shared<detail::region<Container>>(std::move(reg)))
|
|
{
|
|
assigner(this->local_datetime_, ldt);
|
|
}
|
|
basic_value& operator=(const local_datetime& ldt)
|
|
{
|
|
this->cleanup();
|
|
this->type_ = value_t::local_datetime;
|
|
this->region_info_ = std::make_shared<region_base>(region_base{});
|
|
assigner(this->local_datetime_, ldt);
|
|
return *this;
|
|
}
|
|
|
|
// offset datetime ======================================================
|
|
|
|
basic_value(const offset_datetime& odt)
|
|
: type_(value_t::offset_datetime),
|
|
region_info_(std::make_shared<region_base>(region_base{}))
|
|
{
|
|
assigner(this->offset_datetime_, odt);
|
|
}
|
|
template<typename Container>
|
|
basic_value(const offset_datetime& odt, detail::region<Container> reg)
|
|
: type_(value_t::offset_datetime),
|
|
region_info_(std::make_shared<detail::region<Container>>(std::move(reg)))
|
|
{
|
|
assigner(this->offset_datetime_, odt);
|
|
}
|
|
basic_value& operator=(const offset_datetime& odt)
|
|
{
|
|
this->cleanup();
|
|
this->type_ = value_t::offset_datetime;
|
|
this->region_info_ = std::make_shared<region_base>(region_base{});
|
|
assigner(this->offset_datetime_, odt);
|
|
return *this;
|
|
}
|
|
basic_value(const std::chrono::system_clock::time_point& tp)
|
|
: type_(value_t::offset_datetime),
|
|
region_info_(std::make_shared<region_base>(region_base{}))
|
|
{
|
|
assigner(this->offset_datetime_, offset_datetime(tp));
|
|
}
|
|
basic_value& operator=(const std::chrono::system_clock::time_point& tp)
|
|
{
|
|
this->cleanup();
|
|
this->type_ = value_t::offset_datetime;
|
|
this->region_info_ = std::make_shared<region_base>(region_base{});
|
|
assigner(this->offset_datetime_, offset_datetime(tp));
|
|
return *this;
|
|
}
|
|
|
|
// array ================================================================
|
|
|
|
basic_value(const array_type& ary)
|
|
: type_(value_t::array),
|
|
region_info_(std::make_shared<region_base>(region_base{}))
|
|
{
|
|
assigner(this->array_, ary);
|
|
}
|
|
template<typename Container>
|
|
basic_value(const array_type& ary, detail::region<Container> reg)
|
|
: type_(value_t::array),
|
|
region_info_(std::make_shared<detail::region<Container>>(std::move(reg)))
|
|
{
|
|
assigner(this->array_, ary);
|
|
}
|
|
basic_value& operator=(const array_type& ary)
|
|
{
|
|
this->cleanup();
|
|
this->type_ = value_t::array ;
|
|
this->region_info_ = std::make_shared<region_base>(region_base{});
|
|
assigner(this->array_, ary);
|
|
return *this;
|
|
}
|
|
|
|
template<typename T, typename std::enable_if<
|
|
detail::is_convertible_to_toml_value<T, value_type>::value,
|
|
std::nullptr_t>::type = nullptr>
|
|
basic_value(std::initializer_list<T> list)
|
|
: type_(value_t::array),
|
|
region_info_(std::make_shared<region_base>(region_base{}))
|
|
{
|
|
array_type ary; ary.reserve(list.size());
|
|
for(auto& elem : list) {ary.emplace_back(std::move(elem));}
|
|
assigner(this->array_, std::move(ary));
|
|
}
|
|
template<typename T, typename std::enable_if<
|
|
detail::is_convertible_to_toml_value<T, value_type>::value,
|
|
std::nullptr_t>::type = nullptr>
|
|
basic_value& operator=(std::initializer_list<T> list)
|
|
{
|
|
this->cleanup();
|
|
this->type_ = value_t::array ;
|
|
this->region_info_ = std::make_shared<region_base>(region_base{});
|
|
|
|
array_type ary; ary.reserve(list.size());
|
|
for(auto& elem : list) {ary.emplace_back(std::move(elem));}
|
|
assigner(this->array_, std::move(ary));
|
|
return *this;
|
|
}
|
|
|
|
template<typename T, typename std::enable_if<detail::is_container<T>::value,
|
|
std::nullptr_t>::type = nullptr>
|
|
basic_value(T&& list)
|
|
: type_(value_t::array),
|
|
region_info_(std::make_shared<region_base>(region_base{}))
|
|
{
|
|
array_type ary; ary.reserve(list.size());
|
|
for(const auto& elem : list) {ary.emplace_back(elem);}
|
|
assigner(this->array_, std::move(ary));
|
|
}
|
|
template<typename T, typename std::enable_if<detail::is_container<T>::value,
|
|
std::nullptr_t>::type = nullptr>
|
|
basic_value& operator=(T&& list)
|
|
{
|
|
this->cleanup();
|
|
this->type_ = value_t::array ;
|
|
this->region_info_ = std::make_shared<region_base>(region_base{});
|
|
|
|
array_type ary; ary.reserve(list.size());
|
|
for(const auto& elem : list) {ary.emplace_back(elem);}
|
|
assigner(this->array_, std::move(ary));
|
|
return *this;
|
|
}
|
|
|
|
// table ================================================================
|
|
|
|
basic_value(const table_type& tab)
|
|
: type_(value_t::table),
|
|
region_info_(std::make_shared<region_base>(region_base{}))
|
|
{
|
|
assigner(this->table_, tab);
|
|
}
|
|
template<typename Container>
|
|
basic_value(const table_type& tab, detail::region<Container> reg)
|
|
: type_(value_t::table),
|
|
region_info_(std::make_shared<detail::region<Container>>(std::move(reg)))
|
|
{
|
|
assigner(this->table_, tab);
|
|
}
|
|
basic_value& operator=(const table_type& tab)
|
|
{
|
|
this->cleanup();
|
|
this->type_ = value_t::table ;
|
|
this->region_info_ = std::make_shared<region_base>(region_base{});
|
|
assigner(this->table_, tab);
|
|
return *this;
|
|
}
|
|
basic_value(std::initializer_list<std::pair<key, basic_value>> list)
|
|
: type_(value_t::table),
|
|
region_info_(std::make_shared<region_base>(region_base{}))
|
|
{
|
|
table_type tab;
|
|
for(const auto& elem : list) {tab[elem.first] = elem.second;}
|
|
assigner(this->table_, std::move(tab));
|
|
}
|
|
basic_value& operator=(std::initializer_list<std::pair<key, basic_value>> list)
|
|
{
|
|
this->cleanup();
|
|
this->type_ = value_t::array ;
|
|
this->region_info_ = std::make_shared<region_base>(region_base{});
|
|
|
|
table_type tab;
|
|
for(const auto& elem : list) {tab[elem.first] = elem.second;}
|
|
assigner(this->table_, std::move(tab));
|
|
return *this;
|
|
}
|
|
|
|
// user-defined =========================================================
|
|
|
|
// convert using into_toml() method -------------------------------------
|
|
|
|
template<typename T, typename std::enable_if<
|
|
detail::has_into_toml_method<T>::value, std::nullptr_t>::type = nullptr>
|
|
basic_value(const T& ud): basic_value(ud.into_toml()) {}
|
|
|
|
template<typename T, typename std::enable_if<
|
|
detail::has_into_toml_method<T>::value, std::nullptr_t>::type = nullptr>
|
|
basic_value& operator=(const T& ud)
|
|
{
|
|
*this = ud.into_toml();
|
|
return *this;
|
|
}
|
|
|
|
// convert using into<T> struct -----------------------------------------
|
|
|
|
template<typename T, std::size_t S = sizeof(::toml::into<T>)>
|
|
basic_value(const T& ud): basic_value(::toml::into<T>::into_toml(ud)) {}
|
|
|
|
template<typename T, std::size_t S = sizeof(::toml::into<T>)>
|
|
basic_value& operator=(const T& ud)
|
|
{
|
|
*this = ::toml::into<T>::into_toml(ud);
|
|
return *this;
|
|
}
|
|
|
|
// for internal use ------------------------------------------------------
|
|
|
|
template<typename T, typename Container, typename std::enable_if<
|
|
detail::is_exact_toml_type<T, value_type>::value,
|
|
std::nullptr_t>::type = nullptr>
|
|
basic_value(std::pair<T, detail::region<Container>> parse_result)
|
|
: basic_value(std::move(parse_result.first), std::move(parse_result.second))
|
|
{}
|
|
|
|
// type checking and casting ============================================
|
|
|
|
template<typename T, typename std::enable_if<
|
|
detail::is_exact_toml_type<T, value_type>::value,
|
|
std::nullptr_t>::type = nullptr>
|
|
bool is() const noexcept
|
|
{
|
|
return detail::type_to_enum<T, value_type>::value == this->type_;
|
|
}
|
|
bool is(value_t t) const noexcept {return t == this->type_;}
|
|
|
|
bool is_uninitialized() const noexcept {return this->is(value_t::empty );}
|
|
bool is_boolean() const noexcept {return this->is(value_t::boolean );}
|
|
bool is_integer() const noexcept {return this->is(value_t::integer );}
|
|
bool is_float() const noexcept {return this->is(value_t::floating );}
|
|
bool is_string() const noexcept {return this->is(value_t::string );}
|
|
bool is_offset_datetime() const noexcept {return this->is(value_t::offset_datetime);}
|
|
bool is_local_datetime() const noexcept {return this->is(value_t::local_datetime );}
|
|
bool is_local_date() const noexcept {return this->is(value_t::local_date );}
|
|
bool is_local_time() const noexcept {return this->is(value_t::local_time );}
|
|
bool is_array() const noexcept {return this->is(value_t::array );}
|
|
bool is_table() const noexcept {return this->is(value_t::table );}
|
|
|
|
value_t type() const {return type_;}
|
|
|
|
template<value_t T>
|
|
typename detail::enum_to_type<T, value_type>::type& cast() &
|
|
{
|
|
if(this->type_ != T)
|
|
{
|
|
detail::throw_bad_cast<T>(this->type_, *this);
|
|
}
|
|
return detail::switch_cast<T>::invoke(*this);
|
|
}
|
|
template<value_t T>
|
|
typename detail::enum_to_type<T, value_type>::type const& cast() const&
|
|
{
|
|
if(this->type_ != T)
|
|
{
|
|
detail::throw_bad_cast<T>(this->type_, *this);
|
|
}
|
|
return detail::switch_cast<T>::invoke(*this);
|
|
}
|
|
template<value_t T>
|
|
typename detail::enum_to_type<T, value_type>::type&& cast() &&
|
|
{
|
|
if(this->type_ != T)
|
|
{
|
|
detail::throw_bad_cast<T>(this->type_, *this);
|
|
}
|
|
return detail::switch_cast<T>::invoke(std::move(*this));
|
|
}
|
|
|
|
boolean const& as_boolean() const& noexcept {return this->boolean_;}
|
|
integer const& as_integer() const& noexcept {return this->integer_;}
|
|
floating const& as_floating() const& noexcept {return this->floating_;}
|
|
string const& as_string() const& noexcept {return this->string_;}
|
|
offset_datetime const& as_offset_datetime() const& noexcept {return this->offset_datetime_;}
|
|
local_datetime const& as_local_datetime() const& noexcept {return this->local_datetime_;}
|
|
local_date const& as_local_date() const& noexcept {return this->local_date_;}
|
|
local_time const& as_local_time() const& noexcept {return this->local_time_;}
|
|
array_type const& as_array() const& noexcept {return this->array_.value();}
|
|
table_type const& as_table() const& noexcept {return this->table_.value();}
|
|
|
|
boolean & as_boolean() & noexcept {return this->boolean_;}
|
|
integer & as_integer() & noexcept {return this->integer_;}
|
|
floating & as_floating() & noexcept {return this->floating_;}
|
|
string & as_string() & noexcept {return this->string_;}
|
|
offset_datetime& as_offset_datetime() & noexcept {return this->offset_datetime_;}
|
|
local_datetime & as_local_datetime() & noexcept {return this->local_datetime_;}
|
|
local_date & as_local_date() & noexcept {return this->local_date_;}
|
|
local_time & as_local_time() & noexcept {return this->local_time_;}
|
|
array_type & as_array() & noexcept {return this->array_.value();}
|
|
table_type & as_table() & noexcept {return this->table_.value();}
|
|
|
|
boolean && as_boolean() && noexcept {return std::move(this->boolean_);}
|
|
integer && as_integer() && noexcept {return std::move(this->integer_);}
|
|
floating && as_floating() && noexcept {return std::move(this->floating_);}
|
|
string && as_string() && noexcept {return std::move(this->string_);}
|
|
offset_datetime&& as_offset_datetime() && noexcept {return std::move(this->offset_datetime_);}
|
|
local_datetime && as_local_datetime() && noexcept {return std::move(this->local_datetime_);}
|
|
local_date && as_local_date() && noexcept {return std::move(this->local_date_);}
|
|
local_time && as_local_time() && noexcept {return std::move(this->local_time_);}
|
|
array_type && as_array() && noexcept {return std::move(this->array_.value());}
|
|
table_type && as_table() && noexcept {return std::move(this->table_.value());}
|
|
|
|
comment_type const& comments() const noexcept
|
|
{
|
|
return this->comments_;
|
|
}
|
|
|
|
source_location location() const
|
|
{
|
|
return source_location(this->region_info_);
|
|
}
|
|
|
|
private:
|
|
|
|
void cleanup() noexcept
|
|
{
|
|
switch(this->type_)
|
|
{
|
|
case value_t::string : {string_.~string(); return;}
|
|
case value_t::array : {array_.~array_storage(); return;}
|
|
case value_t::table : {table_.~table_storage(); return;}
|
|
default : return;
|
|
}
|
|
}
|
|
|
|
// for error messages
|
|
template<typename C,
|
|
template<typename ...> class T, template<typename ...> class A>
|
|
friend region_base const& detail::get_region(const basic_value<C, T, A>&);
|
|
|
|
template<typename Region, typename C,
|
|
template<typename ...> class T, template<typename ...> class A>
|
|
friend void detail::change_region(basic_value<C, T, A>&, Region&&);
|
|
|
|
private:
|
|
|
|
using array_storage = detail::storage<array_type>;
|
|
using table_storage = detail::storage<table_type>;
|
|
|
|
value_t type_;
|
|
union
|
|
{
|
|
boolean boolean_;
|
|
integer integer_;
|
|
floating floating_;
|
|
string string_;
|
|
offset_datetime offset_datetime_;
|
|
local_datetime local_datetime_;
|
|
local_date local_date_;
|
|
local_time local_time_;
|
|
array_storage array_;
|
|
table_storage table_;
|
|
};
|
|
std::shared_ptr<region_base> region_info_;
|
|
comment_type comments_;
|
|
};
|
|
|
|
// default toml::value and default array/table.
|
|
using value = basic_value<discard_comments, std::unordered_map, std::vector>;
|
|
using array = typename value::array_type;
|
|
using table = typename value::table_type;
|
|
|
|
namespace detail
|
|
{
|
|
template<typename C,
|
|
template<typename ...> class T, template<typename ...> class A>
|
|
inline region_base const& get_region(const basic_value<C, T, A>& v)
|
|
{
|
|
return *(v.region_info_);
|
|
}
|
|
|
|
template<typename Region, typename C,
|
|
template<typename ...> class T, template<typename ...> class A>
|
|
void change_region(basic_value<C, T, A>& v, Region&& reg)
|
|
{
|
|
using region_type = typename std::remove_reference<
|
|
typename std::remove_cv<Region>::type
|
|
>::type;
|
|
|
|
std::shared_ptr<region_base> new_reg =
|
|
std::make_shared<region_type>(std::forward<region_type>(reg));
|
|
v.region_info_ = new_reg;
|
|
return;
|
|
}
|
|
}// detail
|
|
|
|
template<typename C, template<typename ...> class T, template<typename ...> class A>
|
|
inline bool
|
|
operator==(const basic_value<C, T, A>& lhs, const basic_value<C, T, A>& rhs)
|
|
{
|
|
if(lhs.type() != rhs.type()){return false;}
|
|
switch(lhs.type())
|
|
{
|
|
case value_t::boolean :
|
|
{
|
|
return lhs.as_boolean() == rhs.as_boolean();
|
|
}
|
|
case value_t::integer :
|
|
{
|
|
return lhs.as_integer() == rhs.as_integer();
|
|
}
|
|
case value_t::floating :
|
|
{
|
|
return lhs.as_floating() == rhs.as_floating();
|
|
}
|
|
case value_t::string :
|
|
{
|
|
return lhs.as_string() == rhs.as_string();
|
|
}
|
|
case value_t::offset_datetime:
|
|
{
|
|
return lhs.as_offset_datetime() == rhs.as_offset_datetime();
|
|
}
|
|
case value_t::local_datetime:
|
|
{
|
|
return lhs.as_local_datetime() == rhs.as_local_datetime();
|
|
}
|
|
case value_t::local_date:
|
|
{
|
|
return lhs.as_local_date() == rhs.as_local_date();
|
|
}
|
|
case value_t::local_time:
|
|
{
|
|
return lhs.as_local_time() == rhs.as_local_time();
|
|
}
|
|
case value_t::array :
|
|
{
|
|
return lhs.as_array() == rhs.as_array();
|
|
}
|
|
case value_t::table :
|
|
{
|
|
return lhs.as_table() == rhs.as_table();
|
|
}
|
|
case value_t::empty : {return true; }
|
|
default: {return false;}
|
|
}
|
|
}
|
|
template<typename C, template<typename ...> class T, template<typename ...> class A>
|
|
inline bool
|
|
operator<(const basic_value<C, T, A>& lhs, const basic_value<C, T, A>& rhs)
|
|
{
|
|
if(lhs.type() != rhs.type()){return (lhs.type() < rhs.type());}
|
|
switch(lhs.type())
|
|
{
|
|
case value_t::boolean :
|
|
{
|
|
return lhs.as_boolean() < rhs.as_boolean();
|
|
}
|
|
case value_t::integer :
|
|
{
|
|
return lhs.as_integer() < rhs.as_integer();
|
|
}
|
|
case value_t::floating :
|
|
{
|
|
return lhs.as_floating() < rhs.as_floating();
|
|
}
|
|
case value_t::string :
|
|
{
|
|
return lhs.as_string() < rhs.as_string();
|
|
}
|
|
case value_t::offset_datetime:
|
|
{
|
|
return lhs.as_offset_datetime() < rhs.as_offset_datetime();
|
|
}
|
|
case value_t::local_datetime:
|
|
{
|
|
return lhs.as_local_datetime() < rhs.as_local_datetime();
|
|
}
|
|
case value_t::local_date:
|
|
{
|
|
return lhs.as_local_date() < rhs.as_local_date();
|
|
}
|
|
case value_t::local_time:
|
|
{
|
|
return lhs.as_local_time() < rhs.as_local_time();
|
|
}
|
|
case value_t::array :
|
|
{
|
|
return lhs.as_array() < rhs.as_array();
|
|
}
|
|
case value_t::table :
|
|
{
|
|
return lhs.as_table() < rhs.as_table();
|
|
}
|
|
case value_t::empty : {return false;}
|
|
default: {return false;}
|
|
}
|
|
}
|
|
|
|
template<typename C, template<typename ...> class T, template<typename ...> class A>
|
|
inline bool operator!=(const basic_value<C, T, A>& lhs, const basic_value<C, T, A>& rhs)
|
|
{
|
|
return !(lhs == rhs);
|
|
}
|
|
template<typename C, template<typename ...> class T, template<typename ...> class A>
|
|
inline bool operator<=(const basic_value<C, T, A>& lhs, const basic_value<C, T, A>& rhs)
|
|
{
|
|
return (lhs < rhs) || (lhs == rhs);
|
|
}
|
|
template<typename C, template<typename ...> class T, template<typename ...> class A>
|
|
inline bool operator>(const basic_value<C, T, A>& lhs, const basic_value<C, T, A>& rhs)
|
|
{
|
|
return !(lhs <= rhs);
|
|
}
|
|
template<typename C, template<typename ...> class T, template<typename ...> class A>
|
|
inline bool operator>=(const basic_value<C, T, A>& lhs, const basic_value<C, T, A>& rhs)
|
|
{
|
|
return !(lhs < rhs);
|
|
}
|
|
|
|
template<typename C, template<typename ...> class T, template<typename ...> class A>
|
|
inline std::string format_error(const std::string& err_msg,
|
|
const basic_value<C, T, A>& v, const std::string& comment,
|
|
std::vector<std::string> hints = {})
|
|
{
|
|
return detail::format_underline(err_msg,
|
|
std::vector<std::pair<detail::region_base const*, std::string>>{
|
|
{std::addressof(detail::get_region(v)), comment}
|
|
}, std::move(hints));
|
|
}
|
|
|
|
template<typename C, template<typename ...> class T, template<typename ...> class A>
|
|
inline std::string format_error(const std::string& err_msg,
|
|
const toml::basic_value<C, T, A>& v1, const std::string& comment1,
|
|
const toml::basic_value<C, T, A>& v2, const std::string& comment2,
|
|
std::vector<std::string> hints = {})
|
|
{
|
|
return detail::format_underline(err_msg,
|
|
std::vector<std::pair<detail::region_base const*, std::string>>{
|
|
{std::addressof(detail::get_region(v1)), comment1},
|
|
{std::addressof(detail::get_region(v2)), comment2}
|
|
}, std::move(hints));
|
|
}
|
|
|
|
template<typename C, template<typename ...> class T, template<typename ...> class A>
|
|
inline std::string format_error(const std::string& err_msg,
|
|
const toml::basic_value<C, T, A>& v1, const std::string& comment1,
|
|
const toml::basic_value<C, T, A>& v2, const std::string& comment2,
|
|
const toml::basic_value<C, T, A>& v3, const std::string& comment3,
|
|
std::vector<std::string> hints = {})
|
|
{
|
|
return detail::format_underline(err_msg,
|
|
std::vector<std::pair<detail::region_base const*, std::string>>{
|
|
{std::addressof(detail::get_region(v1)), comment1},
|
|
{std::addressof(detail::get_region(v2)), comment2},
|
|
{std::addressof(detail::get_region(v3)), comment3}
|
|
}, std::move(hints));
|
|
}
|
|
|
|
template<typename Visitor, typename C,
|
|
template<typename ...> class T, template<typename ...> class A>
|
|
detail::return_type_of_t<Visitor, const toml::boolean&>
|
|
visit(Visitor&& visitor, const toml::basic_value<C, T, A>& v)
|
|
{
|
|
switch(v.type())
|
|
{
|
|
case value_t::boolean : {return visitor(v.as_boolean ());}
|
|
case value_t::integer : {return visitor(v.as_integer ());}
|
|
case value_t::floating : {return visitor(v.as_floating ());}
|
|
case value_t::string : {return visitor(v.as_string ());}
|
|
case value_t::offset_datetime: {return visitor(v.as_offset_datetime());}
|
|
case value_t::local_datetime : {return visitor(v.as_local_datetime ());}
|
|
case value_t::local_date : {return visitor(v.as_local_date ());}
|
|
case value_t::local_time : {return visitor(v.as_local_time ());}
|
|
case value_t::array : {return visitor(v.as_array ());}
|
|
case value_t::table : {return visitor(v.as_table ());}
|
|
case value_t::empty : break;
|
|
default: break;
|
|
}
|
|
throw std::runtime_error(format_error("[error] toml::visit: toml::basic_value "
|
|
"does not have any valid basic_value.", v, "here"));
|
|
}
|
|
|
|
template<typename Visitor, typename C,
|
|
template<typename ...> class T, template<typename ...> class A>
|
|
detail::return_type_of_t<Visitor, toml::boolean&>
|
|
visit(Visitor&& visitor, toml::basic_value<C, T, A>& v)
|
|
{
|
|
switch(v.type())
|
|
{
|
|
case value_t::boolean : {return visitor(v.as_boolean ());}
|
|
case value_t::integer : {return visitor(v.as_integer ());}
|
|
case value_t::floating : {return visitor(v.as_floating ());}
|
|
case value_t::string : {return visitor(v.as_string ());}
|
|
case value_t::offset_datetime: {return visitor(v.as_offset_datetime());}
|
|
case value_t::local_datetime : {return visitor(v.as_local_datetime ());}
|
|
case value_t::local_date : {return visitor(v.as_local_date ());}
|
|
case value_t::local_time : {return visitor(v.as_local_time ());}
|
|
case value_t::array : {return visitor(v.as_array ());}
|
|
case value_t::table : {return visitor(v.as_table ());}
|
|
case value_t::empty : break;
|
|
default: break;
|
|
}
|
|
throw std::runtime_error(format_error("[error] toml::visit: toml::basic_value "
|
|
"does not have any valid basic_value.", v, "here"));
|
|
}
|
|
|
|
template<typename Visitor, typename C,
|
|
template<typename ...> class T, template<typename ...> class A>
|
|
detail::return_type_of_t<Visitor, toml::boolean&&>
|
|
visit(Visitor&& visitor, toml::basic_value<C, T, A>&& v)
|
|
{
|
|
switch(v.type())
|
|
{
|
|
case value_t::boolean : {return visitor(std::move(v.as_boolean ()));}
|
|
case value_t::integer : {return visitor(std::move(v.as_integer ()));}
|
|
case value_t::floating : {return visitor(std::move(v.as_floating ()));}
|
|
case value_t::string : {return visitor(std::move(v.as_string ()));}
|
|
case value_t::offset_datetime: {return visitor(std::move(v.as_offset_datetime()));}
|
|
case value_t::local_datetime : {return visitor(std::move(v.as_local_datetime ()));}
|
|
case value_t::local_date : {return visitor(std::move(v.as_local_date ()));}
|
|
case value_t::local_time : {return visitor(std::move(v.as_local_time ()));}
|
|
case value_t::array : {return visitor(std::move(v.as_array ()));}
|
|
case value_t::table : {return visitor(std::move(v.as_table ()));}
|
|
case value_t::empty : break;
|
|
default: break;
|
|
}
|
|
throw std::runtime_error(format_error("[error] toml::visit: toml::basic_value "
|
|
"does not have any valid basic_value.", v, "here"));
|
|
}
|
|
|
|
}// toml
|
|
#endif// TOML11_VALUE
|