lexical analysis More...

Inheritance diagram for nlohmann::detail::lexer< BasicJsonType, InputAdapterType >:

Collaboration diagram for nlohmann::detail::lexer< BasicJsonType, InputAdapterType >:

Public Types
using	token_type = typename lexer_base< BasicJsonType >::token_type

Public Types inherited from nlohmann::detail::lexer_base< BasicJsonType >
enum class	token_type { uninitialized , literal_true , literal_false , literal_null , value_string , value_unsigned , value_integer , value_float , begin_array , begin_object , end_array , end_object , name_separator , value_separator , parse_error , end_of_input , literal_or_value }
	token types for the parser More...

Public Member Functions
	__attribute__ ((__returns_nonnull__)) const expr const char *get_error_message() const noexcept
	return syntax error message

constexpr number_float_t	get_number_float () const noexcept
	return floating-point value

constexpr number_integer_t	get_number_integer () const noexcept
	return integer value

constexpr number_unsigned_t	get_number_unsigned () const noexcept
	return unsigned integer value

constexpr position_t	get_position () const noexcept
	return position of last read token

string_t &	get_string ()
	return current string value (implicitly resets the token; useful only once)

std::string	get_token_string () const
	return the last read token (for errors only). Will never contain EOF (an arbitrary value that is not a valid char value, often -1), because 255 may legitimately occur. May contain NUL, which should be escaped.

	lexer (const lexer &)=delete

	lexer (InputAdapterType &&adapter, bool ignore_comments_=false) noexcept

	lexer (lexer &&)=default

lexer &	operator= (lexer &&)=default

lexer &	operator= (lexer &)=delete

token_type	scan ()

bool	skip_bom ()
	skip the UTF-8 byte order mark More...

void	skip_whitespace ()

Public Member Functions inherited from nlohmann::detail::lexer_base< BasicJsonType >
	__attribute__ ((__returns_nonnull__)) __attribute__((__const__)) static const char *token_type_name(const token_type t) noexcept
	return name of values of type token_type (only used for errors)

Detailed Description

template<typename BasicJsonType, typename InputAdapterType>
class nlohmann::detail::lexer< BasicJsonType, InputAdapterType >

lexical analysis

This class organizes the lexical analysis during JSON deserialization.

Member Function Documentation

template<typename BasicJsonType , typename InputAdapterType >

bool nlohmann::detail::lexer< BasicJsonType, InputAdapterType >::skip_bom ( )

skip the UTF-8 byte order mark