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feat: update toml::find for basic_value

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ToruNiina 2019-06-02 18:36:49 +09:00
parent 6de494598a
commit cf28c3fb95
1 changed files with 92 additions and 37 deletions
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129
toml/get.hpp
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@ -231,7 +231,7 @@ template<typename T, typename C,
template<typename ...> class M, template<typename ...> class V>
enable_if_t<detail::conjunction<
detail::is_map<T>, // T is map
detail::negation< // but not toml::array
detail::negation< // but not toml::table
detail::is_exact_toml_type<T, basic_value<C, M, V>>>
>::value, T>
get(const basic_value<C, M, V>&);
@ -411,52 +411,55 @@ T get(const basic_value<C, M, V>& v)
return ::toml::from<T>::from_toml(v);
}
/*
// ============================================================================
// find and get
template<typename T = ::toml::value>
decltype(::toml::get<T>(std::declval<const ::toml::value&>()))
find(const toml::table& tab, const toml::key& ky,
std::string tablename = "unknown table")
// for toml::table.
template<typename T, typename Table>
enable_if_t<detail::is_map<Table>::value, decltype(
::toml::get<T>(std::declval<typename Table::mapped_type&>()))>
find(Table& tab, const toml::key& ky, std::string tn = "unknown table")
{
if(tab.count(ky) == 0)
{
throw std::out_of_range(concat_to_string("[error] key \"", ky,
"\" not found in ", tablename));
throw std::out_of_range(concat_to_string(
"[error] key \"", ky, "\" not found in ", tn));
}
return ::toml::get<T>(tab.at(ky));
}
template<typename T = ::toml::value>
decltype(::toml::get<T>(std::declval<::toml::value&>()))
find(toml::table& tab, const toml::key& ky,
std::string tablename = "unknown table")
template<typename T, typename Table>
enable_if_t<detail::is_map<Table>::value, decltype(
::toml::get<T>(std::declval<typename Table::mapped_type const&>()))>
find(Table const& tab, const toml::key& ky, std::string tn = "unknown table")
{
if(tab.count(ky) == 0)
{
throw std::out_of_range(concat_to_string("[error] key \"", ky,
"\" not found in ", tablename));
throw std::out_of_range(concat_to_string(
"[error] key \"", ky, "\" not found in ", tn));
}
return ::toml::get<T>(tab[ky]);
return ::toml::get<T>(tab.at(ky));
}
template<typename T = ::toml::value>
decltype(::toml::get<T>(std::declval<::toml::value&&>()))
find(toml::table&& tab, const toml::key& ky,
std::string tablename = "unknown table")
template<typename T, typename Table>
enable_if_t<detail::is_map<Table>::value, decltype(
::toml::get<T>(std::declval<typename Table::mapped_type &&>()))>
find(typename std::remove_reference<Table>&& tab, const toml::key& ky,
std::string tn = "unknown table")
{
if(tab.count(ky) == 0)
{
throw std::out_of_range(concat_to_string("[error] key \"", ky,
"\" not found in ", tablename));
throw std::out_of_range(concat_to_string(
"[error] key \"", ky, "\" not found in ", tn));
}
return ::toml::get<T>(std::move(tab[ky]));
return ::toml::get<T>(std::move(tab.at(ky)));
}
template<typename T = ::toml::value>
decltype(::toml::get<T>(std::declval<const ::toml::value&>()))
find(const toml::value& v, const toml::key& ky)
// ----------------------------------------------------------------------------
// these overloads do not require to set T. and returns value itself.
template<typename C,
template<typename ...> class M, template<typename ...> class V>
basic_value<C, M, V> const& find(const basic_value<C, M, V>& v, const key& ky)
{
const auto& tab = ::toml::get<toml::table>(v);
const auto& tab = v.template cast<value_t::table>();
if(tab.count(ky) == 0)
{
throw std::out_of_range(detail::format_underline(concat_to_string(
@ -464,13 +467,13 @@ find(const toml::value& v, const toml::key& ky)
{std::addressof(detail::get_region(v)), "in this table"}
}));
}
return ::toml::get<T>(tab.at(ky));
return tab.at(ky);
}
template<typename T = ::toml::value>
decltype(::toml::get<T>(std::declval<::toml::value&>()))
find(toml::value& v, const toml::key& ky)
template<typename C,
template<typename ...> class M, template<typename ...> class V>
basic_value<C, M, V>& find(basic_value<C, M, V>& v, const key& ky)
{
auto& tab = ::toml::get<toml::table>(v);
const auto& tab = v.template cast<value_t::table>();
if(tab.count(ky) == 0)
{
throw std::out_of_range(detail::format_underline(concat_to_string(
@ -478,13 +481,13 @@ find(toml::value& v, const toml::key& ky)
{std::addressof(detail::get_region(v)), "in this table"}
}));
}
return ::toml::get<T>(tab.at(ky));
return tab.at(ky);
}
template<typename T = ::toml::value>
decltype(::toml::get<T>(std::declval<::toml::value&&>()))
find(toml::value&& v, const toml::key& ky)
template<typename C,
template<typename ...> class M, template<typename ...> class V>
basic_value<C, M, V>&& find(basic_value<C, M, V>&& v, const key& ky)
{
auto tab = ::toml::get<toml::table>(std::move(v));
auto& tab = v.template cast<value_t::table>();
if(tab.count(ky) == 0)
{
throw std::out_of_range(detail::format_underline(concat_to_string(
@ -492,9 +495,61 @@ find(toml::value&& v, const toml::key& ky)
{std::addressof(detail::get_region(v)), "in this table"}
}));
}
return ::toml::get<T>(std::move(tab[ky]));
return tab.at(ky);
}
// ----------------------------------------------------------------------------
// find<T>(value, key);
template<typename T, typename C,
template<typename ...> class M, template<typename ...> class V>
decltype(::toml::get<T>(std::declval<basic_value<C, M, V> const&>()))
find(const basic_value<C, M, V>& v, const key& ky)
{
const auto& tab = v.template cast<value_t::table>();
if(tab.count(ky) == 0)
{
throw std::out_of_range(detail::format_underline(concat_to_string(
"[error] key \"", ky, "\" not found"), {
{std::addressof(detail::get_region(v)), "in this table"}
}));
}
return ::toml::get<T>(tab.at(ky));
}
template<typename T, typename C,
template<typename ...> class M, template<typename ...> class V>
decltype(::toml::get<T>(std::declval<basic_value<C, M, V>&>()))
find(basic_value<C, M, V>& v, const key& ky)
{
const auto& tab = v.template cast<value_t::table>();
if(tab.count(ky) == 0)
{
throw std::out_of_range(detail::format_underline(concat_to_string(
"[error] key \"", ky, "\" not found"), {
{std::addressof(detail::get_region(v)), "in this table"}
}));
}
return ::toml::get<T>(tab.at(ky));
}
template<typename T, typename C,
template<typename ...> class M, template<typename ...> class V>
decltype(::toml::get<T>(std::declval<basic_value<C, M, V>&&>()))
find(basic_value<C, M, V>&& v, const key& ky)
{
auto& tab = v.template cast<value_t::table>();
if(tab.count(ky) == 0)
{
throw std::out_of_range(detail::format_underline(concat_to_string(
"[error] key \"", ky, "\" not found"), {
{std::addressof(detail::get_region(v)), "in this table"}
}));
}
return ::toml::get<T>(std::move(tab.at(ky)));
}
/*
// ============================================================================
// get_or(value, fallback)