assets::DataValue Class Reference

Typed value for TOML files. More...

#include <data_value.hpp>

Public Types
using	ObjectMap = std::vector<std::pair<std::string, DataValue>>
using	Array = std::vector<DataValue>

Public Member Functions
	DataValue (bool v)
	DataValue (int64_t v)
	DataValue (double v)
	DataValue (std::string v)
	DataValue (toast::UID v, DataType kind)
	DataValue (glm::vec2 v)
	DataValue (glm::vec3 v, DataType kind)
	DataValue (glm::vec4 v)
auto	type () const noexcept -> DataType
auto	isNull () const noexcept -> bool
auto	isArray () const noexcept -> bool
auto	isObject () const noexcept -> bool
template<class T>
auto	as () const -> T
template<class T>
auto	value () const -> std::optional< T >
	operator bool () const
	operator int64_t () const
	operator int () const
	operator float () const
	operator double () const
	operator std::string () const
	operator toast::UID () const
	operator glm::vec2 () const
	operator glm::vec3 () const
	operator glm::vec4 () const
auto	operator[] (std::string_view key) -> DataValue &
auto	operator[] (std::string_view key) const -> const DataValue &
auto	contains (std::string_view key) const noexcept -> bool
auto	operator[] (size_t index) -> DataValue &
auto	operator[] (size_t index) const -> const DataValue &
auto	size () const noexcept -> size_t
auto	empty () const noexcept -> bool
void	push (DataValue v)
	Array: appends an element.
void	set (std::string key, DataValue v)
	Object: inserts or replaces by key.
void	remove (std::string_view key)
	Object: removes a key (no-op if absent).
auto	items () -> ObjectMap &
auto	items () const -> const ObjectMap &
auto	operator= (bool v) -> DataValue &
auto	operator= (int64_t v) -> DataValue &
auto	operator= (int v) -> DataValue &
auto	operator= (double v) -> DataValue &
auto	operator= (float v) -> DataValue &
auto	operator= (std::string v) -> DataValue &
void	appendTo (toml::table &tbl, const std::string &key) const
void	appendTo (toml::array &arr) const
auto	asTomlTable () const -> toml::table
auto	toJson () const -> json_t

Static Public Member Functions
static auto	makeArray () -> DataValue
static auto	makeObject () -> DataValue
static auto	fromToml (const toml::node &n, const SchemaField *field, const toml::table *root=nullptr) -> DataValue
	Parse a DataValue from a TOML node, using the schema field for type context.
static auto	fromObject (const toml::table &t, const std::vector< SchemaField > &fields, const toml::table *root=nullptr) -> DataValue
	Build an Object DataValue from a TOML table, guided by a field list.
static auto	fromJson (const json_t &j, DataType hint=DataType::null) -> DataValue

Detailed Description

Typed value for TOML files.

Member Function Documentation

appendTo() [1/2]

void assets::DataValue::appendTo

(

toml::array &

arr

)

const

Appends this value to a TOML array

appendTo() [2/2]

void assets::DataValue::appendTo	(	toml::table &	tbl,
		const std::string &	key ) const

Inserts this value into a TOML table under key

asTomlTable()

auto assets::DataValue::asTomlTable ( ) const -> toml::table

nodiscard

Converts an Object DataValue to a toml::table

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fromJson()

auto assets::DataValue::fromJson ( const json_t & j, DataType hint = DataType::null ) -> DataValue

static

Reconstruct a DataValue from nlohmann::json

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The documentation for this class was generated from the following files:

• engine/src/toast/assets/data_value.hpp
• engine/src/toast/assets/data_value.cpp