tetengo::json::json_grammar Class Reference

A JSON grammar. More...

#include <json_grammar.hpp>

Inheritance diagram for tetengo::json::json_grammar:

Collaboration diagram for tetengo::json::json_grammar:

Public Types
enum class	primitive_type_type { string , number , boolean , null }
	The primitive type type. More...
enum class	structure_type_type { object , member , array }
	The structure type type. More...
enum class	structure_open_close_type { open , close }
	The structure open-close type. More...
using	primitive_handler_type = std::function< bool(primitive_type_type type, const std::string_view &value)>
	The primitive handler type.
using	structure_handler_type = std::function< bool(structure_type_type type, structure_open_close_type open_close, const std::unordered_map< std::string_view, std::string_view > &attributes)>
	The structure handler type.

Public Member Functions
	json_grammar (primitive_handler_type primitive_handler, structure_handler_type structure_handler)
	Creates a JSON grammar.
	~json_grammar ()
	Destroys the JSON grammar.
bool	parse (reader &reader_) const
	Parses a text.

Detailed Description

A JSON grammar.

Based on RFC 8259.

Member Typedef Documentation

primitive_handler_type

using tetengo::json::json_grammar::primitive_handler_type = std::function<bool(primitive_type_type type, const std::string_view& value)>

The primitive handler type.

Parameters

• value: A value.
• type: A type.

Return values

true	When the parsing is successful.
false	Otherwise.

structure_handler_type

using tetengo::json::json_grammar::structure_handler_type = std::function<bool( structure_type_type type, structure_open_close_type open_close, const std::unordered_map<std::string_view, std::string_view>& attributes)>

The structure handler type.

Parameters

• type: A type.
• open_close: An open or close state.
• value: A value.

Return values

true	When the parsing is successful.
false	Otherwise.

Member Enumeration Documentation

primitive_type_type

enum class tetengo::json::json_grammar::primitive_type_type

strong

The primitive type type.

Enumerator
string	A string.
number	A number.
boolean	A boolean.
null	A null.

structure_open_close_type

enum class tetengo::json::json_grammar::structure_open_close_type

strong

The structure open-close type.

Enumerator
open	Opening.
close	Closing.

structure_type_type

enum class tetengo::json::json_grammar::structure_type_type

strong

The structure type type.

Enumerator
object	An object.
member	A member.
array	An array.

Constructor & Destructor Documentation

json_grammar()

tetengo::json::json_grammar::json_grammar	(	primitive_handler_type	primitive_handler,
		structure_handler_type	structure_handler
	)

Creates a JSON grammar.

Parameters

primitive_handler	A primitive element handler.
structure_handler	A structure element handler.

Member Function Documentation

parse()

bool tetengo::json::json_grammar::parse

(

reader &

reader_

)

const

Parses a text.

Parameters

reader_

A reader.

Return values

true	When parsing is successful.
false	Otherwise.

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

• library/json/cpp/include/tetengo/json/json_grammar.hpp