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nlohmann::detail::json_sax_dom_callback_parser< BasicJsonType > Class Template Reference

#include <json.hpp>

Public 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 binary_t = typename BasicJsonType::binary_t
 
using parser_callback_t = typename BasicJsonType::parser_callback_t
 
using parse_event_t = typename BasicJsonType::parse_event_t
 

Public Member Functions

 json_sax_dom_callback_parser (BasicJsonType &r, const parser_callback_t cb, const bool allow_exceptions_=true)
 
 json_sax_dom_callback_parser (const json_sax_dom_callback_parser &)=delete
 
 json_sax_dom_callback_parser (json_sax_dom_callback_parser &&)=default
 
json_sax_dom_callback_parseroperator= (const json_sax_dom_callback_parser &)=delete
 
json_sax_dom_callback_parseroperator= (json_sax_dom_callback_parser &&)=default
 
 ~json_sax_dom_callback_parser ()=default
 
bool null ()
 
bool boolean (bool val)
 
bool number_integer (number_integer_t val)
 
bool number_unsigned (number_unsigned_t val)
 
bool number_float (number_float_t val, const string_t &)
 
bool string (string_t &val)
 
bool binary (binary_t &val)
 
bool start_object (std::size_t len)
 
bool key (string_t &val)
 
bool end_object ()
 
bool start_array (std::size_t len)
 
bool end_array ()
 
template<class Exception >
bool parse_error (std::size_t, const std::string &, const Exception &ex)
 
constexpr bool is_errored () const
 

Private Member Functions

template<typename Value >
std::pair< bool, BasicJsonType * > handle_value (Value &&v, const bool skip_callback=false)
 

Private Attributes

BasicJsonType & root
 the parsed JSON value
 
std::vector< BasicJsonType * > ref_stack {}
 stack to model hierarchy of values
 
std::vector< bool > keep_stack {}
 stack to manage which values to keep
 
std::vector< bool > key_keep_stack {}
 stack to manage which object keys to keep
 
BasicJsonType * object_element = nullptr
 helper to hold the reference for the next object element
 
bool errored = false
 whether a syntax error occurred
 
const parser_callback_t callback = nullptr
 callback function
 
const bool allow_exceptions = true
 whether to throw exceptions in case of errors
 
BasicJsonType discarded = BasicJsonType::value_t::discarded
 a discarded value for the callback
 

Detailed Description

template<typename BasicJsonType>
class nlohmann::detail::json_sax_dom_callback_parser< BasicJsonType >

Definition at line 6147 of file json.hpp.

Member Typedef Documentation

◆ binary_t

template<typename BasicJsonType >
using nlohmann::detail::json_sax_dom_callback_parser< BasicJsonType >::binary_t = typename BasicJsonType::binary_t

Definition at line 6154 of file json.hpp.

◆ number_float_t

template<typename BasicJsonType >
using nlohmann::detail::json_sax_dom_callback_parser< BasicJsonType >::number_float_t = typename BasicJsonType::number_float_t

Definition at line 6152 of file json.hpp.

◆ number_integer_t

template<typename BasicJsonType >
using nlohmann::detail::json_sax_dom_callback_parser< BasicJsonType >::number_integer_t = typename BasicJsonType::number_integer_t

Definition at line 6150 of file json.hpp.

◆ number_unsigned_t

template<typename BasicJsonType >
using nlohmann::detail::json_sax_dom_callback_parser< BasicJsonType >::number_unsigned_t = typename BasicJsonType::number_unsigned_t

Definition at line 6151 of file json.hpp.

◆ parse_event_t

template<typename BasicJsonType >
using nlohmann::detail::json_sax_dom_callback_parser< BasicJsonType >::parse_event_t = typename BasicJsonType::parse_event_t

Definition at line 6156 of file json.hpp.

◆ parser_callback_t

template<typename BasicJsonType >
using nlohmann::detail::json_sax_dom_callback_parser< BasicJsonType >::parser_callback_t = typename BasicJsonType::parser_callback_t

Definition at line 6155 of file json.hpp.

◆ string_t

template<typename BasicJsonType >
using nlohmann::detail::json_sax_dom_callback_parser< BasicJsonType >::string_t = typename BasicJsonType::string_t

Definition at line 6153 of file json.hpp.

Constructor & Destructor Documentation

◆ json_sax_dom_callback_parser() [1/3]

template<typename BasicJsonType >
nlohmann::detail::json_sax_dom_callback_parser< BasicJsonType >::json_sax_dom_callback_parser ( BasicJsonType & r,
const parser_callback_t cb,
const bool allow_exceptions_ = true )
inline

Definition at line 6158 of file json.hpp.

◆ json_sax_dom_callback_parser() [2/3]

template<typename BasicJsonType >
nlohmann::detail::json_sax_dom_callback_parser< BasicJsonType >::json_sax_dom_callback_parser ( const json_sax_dom_callback_parser< BasicJsonType > & )
delete

◆ json_sax_dom_callback_parser() [3/3]

template<typename BasicJsonType >
nlohmann::detail::json_sax_dom_callback_parser< BasicJsonType >::json_sax_dom_callback_parser ( json_sax_dom_callback_parser< BasicJsonType > && )
default

◆ ~json_sax_dom_callback_parser()

template<typename BasicJsonType >
nlohmann::detail::json_sax_dom_callback_parser< BasicJsonType >::~json_sax_dom_callback_parser ( )
default

Member Function Documentation

◆ binary()

template<typename BasicJsonType >
bool nlohmann::detail::json_sax_dom_callback_parser< BasicJsonType >::binary ( binary_t & val)
inline

Definition at line 6209 of file json.hpp.

◆ boolean()

template<typename BasicJsonType >
bool nlohmann::detail::json_sax_dom_callback_parser< BasicJsonType >::boolean ( bool val)
inline

Definition at line 6179 of file json.hpp.

◆ end_array()

template<typename BasicJsonType >
bool nlohmann::detail::json_sax_dom_callback_parser< BasicJsonType >::end_array ( )
inline

Definition at line 6303 of file json.hpp.

◆ end_object()

template<typename BasicJsonType >
bool nlohmann::detail::json_sax_dom_callback_parser< BasicJsonType >::end_object ( )
inline

Definition at line 6250 of file json.hpp.

◆ handle_value()

template<typename BasicJsonType >
template<typename Value >
std::pair< bool, BasicJsonType * > nlohmann::detail::json_sax_dom_callback_parser< BasicJsonType >::handle_value ( Value && v,
const bool skip_callback = false )
inlineprivate
Parameters
[in]vvalue to add to the JSON value we build during parsing
[in]skip_callbackwhether we should skip calling the callback function; this is required after start_array() and start_object() SAX events, because otherwise we would call the callback function with an empty array or object, respectively.
Invariant
If the ref stack is empty, then the passed value will be the new root.
If the ref stack contains a value, then it is an array or an object to which we can add elements
Returns
pair of boolean (whether value should be kept) and pointer (to the passed value in the ref_stack hierarchy; nullptr if not kept)

Definition at line 6370 of file json.hpp.

◆ is_errored()

template<typename BasicJsonType >
constexpr bool nlohmann::detail::json_sax_dom_callback_parser< BasicJsonType >::is_errored ( ) const
inlineconstexpr

Definition at line 6348 of file json.hpp.

◆ key()

template<typename BasicJsonType >
bool nlohmann::detail::json_sax_dom_callback_parser< BasicJsonType >::key ( string_t & val)
inline

Definition at line 6233 of file json.hpp.

◆ null()

template<typename BasicJsonType >
bool nlohmann::detail::json_sax_dom_callback_parser< BasicJsonType >::null ( )
inline

Definition at line 6173 of file json.hpp.

◆ number_float()

template<typename BasicJsonType >
bool nlohmann::detail::json_sax_dom_callback_parser< BasicJsonType >::number_float ( number_float_t val,
const string_t &  )
inline

Definition at line 6197 of file json.hpp.

◆ number_integer()

template<typename BasicJsonType >
bool nlohmann::detail::json_sax_dom_callback_parser< BasicJsonType >::number_integer ( number_integer_t val)
inline

Definition at line 6185 of file json.hpp.

◆ number_unsigned()

template<typename BasicJsonType >
bool nlohmann::detail::json_sax_dom_callback_parser< BasicJsonType >::number_unsigned ( number_unsigned_t val)
inline

Definition at line 6191 of file json.hpp.

◆ operator=() [1/2]

template<typename BasicJsonType >
json_sax_dom_callback_parser & nlohmann::detail::json_sax_dom_callback_parser< BasicJsonType >::operator= ( const json_sax_dom_callback_parser< BasicJsonType > & )
delete

◆ operator=() [2/2]

template<typename BasicJsonType >
json_sax_dom_callback_parser & nlohmann::detail::json_sax_dom_callback_parser< BasicJsonType >::operator= ( json_sax_dom_callback_parser< BasicJsonType > && )
default

◆ parse_error()

template<typename BasicJsonType >
template<class Exception >
bool nlohmann::detail::json_sax_dom_callback_parser< BasicJsonType >::parse_error ( std::size_t ,
const std::string & ,
const Exception & ex )
inline

Definition at line 6336 of file json.hpp.

◆ start_array()

template<typename BasicJsonType >
bool nlohmann::detail::json_sax_dom_callback_parser< BasicJsonType >::start_array ( std::size_t len)
inline

Definition at line 6286 of file json.hpp.

◆ start_object()

template<typename BasicJsonType >
bool nlohmann::detail::json_sax_dom_callback_parser< BasicJsonType >::start_object ( std::size_t len)
inline

Definition at line 6215 of file json.hpp.

◆ string()

template<typename BasicJsonType >
bool nlohmann::detail::json_sax_dom_callback_parser< BasicJsonType >::string ( string_t & val)
inline

Definition at line 6203 of file json.hpp.

Member Data Documentation

◆ allow_exceptions

template<typename BasicJsonType >
const bool nlohmann::detail::json_sax_dom_callback_parser< BasicJsonType >::allow_exceptions = true
private

whether to throw exceptions in case of errors

Definition at line 6448 of file json.hpp.

◆ callback

template<typename BasicJsonType >
const parser_callback_t nlohmann::detail::json_sax_dom_callback_parser< BasicJsonType >::callback = nullptr
private

callback function

Definition at line 6446 of file json.hpp.

◆ discarded

template<typename BasicJsonType >
BasicJsonType nlohmann::detail::json_sax_dom_callback_parser< BasicJsonType >::discarded = BasicJsonType::value_t::discarded
private

a discarded value for the callback

Definition at line 6450 of file json.hpp.

◆ errored

template<typename BasicJsonType >
bool nlohmann::detail::json_sax_dom_callback_parser< BasicJsonType >::errored = false
private

whether a syntax error occurred

Definition at line 6444 of file json.hpp.

◆ keep_stack

template<typename BasicJsonType >
std::vector<bool> nlohmann::detail::json_sax_dom_callback_parser< BasicJsonType >::keep_stack {}
private

stack to manage which values to keep

Definition at line 6438 of file json.hpp.

◆ key_keep_stack

template<typename BasicJsonType >
std::vector<bool> nlohmann::detail::json_sax_dom_callback_parser< BasicJsonType >::key_keep_stack {}
private

stack to manage which object keys to keep

Definition at line 6440 of file json.hpp.

◆ object_element

template<typename BasicJsonType >
BasicJsonType* nlohmann::detail::json_sax_dom_callback_parser< BasicJsonType >::object_element = nullptr
private

helper to hold the reference for the next object element

Definition at line 6442 of file json.hpp.

◆ ref_stack

template<typename BasicJsonType >
std::vector<BasicJsonType*> nlohmann::detail::json_sax_dom_callback_parser< BasicJsonType >::ref_stack {}
private

stack to model hierarchy of values

Definition at line 6436 of file json.hpp.

◆ root

template<typename BasicJsonType >
BasicJsonType& nlohmann::detail::json_sax_dom_callback_parser< BasicJsonType >::root
private

the parsed JSON value

Definition at line 6434 of file json.hpp.


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