syntax analysis More...

#include <nlohmann_json.hpp>

Public Member Functions
	parser (InputAdapterType &&adapter, const parser_callback_t< BasicJsonType > cb=nullptr, const bool allow_exceptions_=true, const bool skip_comments=false)
	a parser reading from an input adapter More...

void	parse (const bool strict, BasicJsonType &result)
	public parser interface More...

bool	accept (const bool strict=true)
	public accept interface More...

template<typename SAX >
bool	sax_parse (SAX *sax, const bool strict=true)

Private Types
using	number_integer_t = typename BasicJsonType::number_integer_t

using	number_unsigned_t = typename BasicJsonType::number_unsigned_t

using	number_float_t = typename BasicJsonType::number_float_t

using	string_t = typename BasicJsonType::string_t

using	lexer_t = lexer< BasicJsonType, InputAdapterType >

using	token_type = typename lexer_t::token_type

Private Member Functions
template<typename SAX >
bool	sax_parse_internal (SAX *sax)

token_type	get_token ()
	get next token from lexer More...

std::string	exception_message (const token_type expected, const std::string &context)

Private Attributes
const parser_callback_t< BasicJsonType >	callback = nullptr
	callback function More...

token_type	last_token = token_type::uninitialized
	the type of the last read token More...

lexer_t	m_lexer
	the lexer More...

const bool	allow_exceptions = true
	whether to throw exceptions in case of errors More...

Detailed Description

template<typename BasicJsonType, typename InputAdapterType>
class detail::parser< BasicJsonType, InputAdapterType >

syntax analysis

This class implements a recursive descent parser.

Definition at line 12162 of file nlohmann_json.hpp.

Member Typedef Documentation

◆ number_integer_t

template<typename BasicJsonType , typename InputAdapterType >

using detail::parser< BasicJsonType, InputAdapterType >::number_integer_t = typename BasicJsonType::number_integer_t

private

Definition at line 12164 of file nlohmann_json.hpp.

◆ number_unsigned_t

template<typename BasicJsonType , typename InputAdapterType >

using detail::parser< BasicJsonType, InputAdapterType >::number_unsigned_t = typename BasicJsonType::number_unsigned_t

private

Definition at line 12165 of file nlohmann_json.hpp.

◆ number_float_t

template<typename BasicJsonType , typename InputAdapterType >

using detail::parser< BasicJsonType, InputAdapterType >::number_float_t = typename BasicJsonType::number_float_t

private

Definition at line 12166 of file nlohmann_json.hpp.

◆ string_t

template<typename BasicJsonType , typename InputAdapterType >

using detail::parser< BasicJsonType, InputAdapterType >::string_t = typename BasicJsonType::string_t

private

Definition at line 12167 of file nlohmann_json.hpp.

◆ lexer_t

template<typename BasicJsonType , typename InputAdapterType >

using detail::parser< BasicJsonType, InputAdapterType >::lexer_t = lexer<BasicJsonType, InputAdapterType>

private

Definition at line 12168 of file nlohmann_json.hpp.

◆ token_type

template<typename BasicJsonType , typename InputAdapterType >

using detail::parser< BasicJsonType, InputAdapterType >::token_type = typename lexer_t::token_type

private

Definition at line 12169 of file nlohmann_json.hpp.

Constructor & Destructor Documentation

◆ parser()

template<typename BasicJsonType , typename InputAdapterType >

detail::parser< BasicJsonType, InputAdapterType >::parser	(	InputAdapterType &&	adapter,
		const parser_callback_t< BasicJsonType >	cb = `nullptr`,
		const bool	allow_exceptions_ = `true`,
		const bool	skip_comments = `false`
	)

inlineexplicit

a parser reading from an input adapter

Definition at line 12173 of file nlohmann_json.hpp.

Member Function Documentation

◆ parse()

template<typename BasicJsonType , typename InputAdapterType >

void detail::parser< BasicJsonType, InputAdapterType >::parse	(	const bool	strict,
		BasicJsonType &	result
	)

inline

public parser interface

Parameters

[in]	strict	whether to expect the last token to be EOF
[in,out]	result	parsed JSON value

Exceptions

parse_error.101	in case of an unexpected token
parse_error.102	if to_unicode fails or surrogate error
parse_error.103	if to_unicode fails

Definition at line 12195 of file nlohmann_json.hpp.

◆ accept()

template<typename BasicJsonType , typename InputAdapterType >

bool detail::parser< BasicJsonType, InputAdapterType >::accept ( const bool strict = true )

inline

public accept interface

Parameters

[in] strict whether to expect the last token to be EOF

Returns: whether the input is a proper JSON text

Definition at line 12255 of file nlohmann_json.hpp.

◆ sax_parse()

template<typename BasicJsonType , typename InputAdapterType >

template<typename SAX >

bool detail::parser< BasicJsonType, InputAdapterType >::sax_parse	(	SAX *	sax,
		const bool	strict = `true`
	)

inline

Definition at line 12263 of file nlohmann_json.hpp.

◆ sax_parse_internal()

template<typename BasicJsonType , typename InputAdapterType >

template<typename SAX >

bool detail::parser< BasicJsonType, InputAdapterType >::sax_parse_internal ( SAX * sax )

inlineprivate

Definition at line 12282 of file nlohmann_json.hpp.

◆ get_token()

template<typename BasicJsonType , typename InputAdapterType >

token_type detail::parser< BasicJsonType, InputAdapterType >::get_token ( )

inlineprivate

get next token from lexer

Definition at line 12563 of file nlohmann_json.hpp.

◆ exception_message()

template<typename BasicJsonType , typename InputAdapterType >

std::string detail::parser< BasicJsonType, InputAdapterType >::exception_message	(	const token_type	expected,
		const std::string &	context
	)

inlineprivate

Definition at line 12568 of file nlohmann_json.hpp.

Member Data Documentation

◆ callback

template<typename BasicJsonType , typename InputAdapterType >

const parser_callback_t<BasicJsonType> detail::parser< BasicJsonType, InputAdapterType >::callback = nullptr

private

callback function

Definition at line 12599 of file nlohmann_json.hpp.

◆ last_token

template<typename BasicJsonType , typename InputAdapterType >

token_type detail::parser< BasicJsonType, InputAdapterType >::last_token = token_type::uninitialized

private

the type of the last read token

Definition at line 12601 of file nlohmann_json.hpp.

◆ m_lexer

template<typename BasicJsonType , typename InputAdapterType >

lexer_t detail::parser< BasicJsonType, InputAdapterType >::m_lexer

private

the lexer

Definition at line 12603 of file nlohmann_json.hpp.

◆ allow_exceptions

template<typename BasicJsonType , typename InputAdapterType >

const bool detail::parser< BasicJsonType, InputAdapterType >::allow_exceptions = true

private

whether to throw exceptions in case of errors

Definition at line 12605 of file nlohmann_json.hpp.

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

nlohmann_json.hpp

Public Member Functions

Private Types

Private Member Functions

Private Attributes

Detailed Description

Member Typedef Documentation

◆ number_integer_t

◆ number_unsigned_t

◆ number_float_t

◆ string_t

◆ lexer_t

◆ token_type

Constructor & Destructor Documentation

◆ parser()

Member Function Documentation

◆ parse()

◆ accept()

◆ sax_parse()

◆ sax_parse_internal()

◆ get_token()

◆ exception_message()

Member Data Documentation

◆ callback

◆ last_token

◆ m_lexer

◆ allow_exceptions