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nlohmann::detail::iteration_proxy_value< IteratorType > Class Template Reference

#include "json.h"

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Public Types

using difference_type = std::ptrdiff_t
 
using iterator_category = std::input_iterator_tag
 
using pointer = value_type *
 
using reference = value_type &
 
using string_type = typename std::remove_cv< typename std::remove_reference< decltype(std::declval< IteratorType >().key()) >::type >::type
 
using value_type = iteration_proxy_value
 

Public Member Functions

 iteration_proxy_value (IteratorType it) noexcept
 
const string_type & key () const
 return key of the iterator More...
 
bool operator!= (const iteration_proxy_value &o) const
 inequality operator (needed for range-based for) More...
 
iteration_proxy_value & operator* ()
 dereference operator (needed for range-based for) More...
 
iteration_proxy_value & operator++ ()
 increment operator (needed for range-based for) More...
 
bool operator== (const iteration_proxy_value &o) const
 equality operator (needed for InputIterator) More...
 
IteratorType::reference value () const
 return value of the iterator More...
 

Private Attributes

IteratorType anchor
 the iterator More...
 
std::size_t array_index = 0
 an index for arrays (used to create key names) More...
 
std::size_t array_index_last = 0
 last stringified array index More...
 
string_type array_index_str = "0"
 a string representation of the array index More...
 
const string_type empty_str = ""
 an empty string (to return a reference for primitive values) More...
 

Detailed Description

template<typename IteratorType>
class nlohmann::detail::iteration_proxy_value< IteratorType >

Definition at line 3908 of file json.h.

Member Typedef Documentation

◆ difference_type

template<typename IteratorType >
using nlohmann::detail::iteration_proxy_value< IteratorType >::difference_type = std::ptrdiff_t

Definition at line 3911 of file json.h.

◆ iterator_category

template<typename IteratorType >
using nlohmann::detail::iteration_proxy_value< IteratorType >::iterator_category = std::input_iterator_tag

Definition at line 3915 of file json.h.

◆ pointer

template<typename IteratorType >
using nlohmann::detail::iteration_proxy_value< IteratorType >::pointer = value_type *

Definition at line 3913 of file json.h.

◆ reference

template<typename IteratorType >
using nlohmann::detail::iteration_proxy_value< IteratorType >::reference = value_type &

Definition at line 3914 of file json.h.

◆ string_type

template<typename IteratorType >
using nlohmann::detail::iteration_proxy_value< IteratorType >::string_type = typename std::remove_cv< typename std::remove_reference<decltype( std::declval<IteratorType>().key() ) >::type >::type

Definition at line 3916 of file json.h.

◆ value_type

template<typename IteratorType >
using nlohmann::detail::iteration_proxy_value< IteratorType >::value_type = iteration_proxy_value

Definition at line 3912 of file json.h.

Constructor & Destructor Documentation

◆ iteration_proxy_value()

template<typename IteratorType >
nlohmann::detail::iteration_proxy_value< IteratorType >::iteration_proxy_value ( IteratorType  it)
inlineexplicitnoexcept

Definition at line 3931 of file json.h.

Member Function Documentation

◆ key()

template<typename IteratorType >
const string_type& nlohmann::detail::iteration_proxy_value< IteratorType >::key ( ) const
inline

return key of the iterator

Definition at line 3961 of file json.h.

References nlohmann::detail::iteration_proxy_value< IteratorType >::anchor, nlohmann::detail::array, nlohmann::detail::iteration_proxy_value< IteratorType >::array_index, nlohmann::detail::iteration_proxy_value< IteratorType >::array_index_last, nlohmann::detail::iteration_proxy_value< IteratorType >::array_index_str, nlohmann::detail::iteration_proxy_value< IteratorType >::empty_str, nlohmann::detail::int_to_string(), JSON_ASSERT, and nlohmann::detail::object.

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◆ operator!=()

template<typename IteratorType >
bool nlohmann::detail::iteration_proxy_value< IteratorType >::operator!= ( const iteration_proxy_value< IteratorType > &  o) const
inline

inequality operator (needed for range-based for)

Definition at line 3955 of file json.h.

References nlohmann::detail::iteration_proxy_value< IteratorType >::anchor.

◆ operator*()

template<typename IteratorType >
iteration_proxy_value& nlohmann::detail::iteration_proxy_value< IteratorType >::operator* ( )
inline

dereference operator (needed for range-based for)

Definition at line 3934 of file json.h.

◆ operator++()

template<typename IteratorType >
iteration_proxy_value& nlohmann::detail::iteration_proxy_value< IteratorType >::operator++ ( )
inline

increment operator (needed for range-based for)

Definition at line 3940 of file json.h.

References nlohmann::detail::iteration_proxy_value< IteratorType >::anchor, and nlohmann::detail::iteration_proxy_value< IteratorType >::array_index.

◆ operator==()

template<typename IteratorType >
bool nlohmann::detail::iteration_proxy_value< IteratorType >::operator== ( const iteration_proxy_value< IteratorType > &  o) const
inline

equality operator (needed for InputIterator)

Definition at line 3949 of file json.h.

References nlohmann::detail::iteration_proxy_value< IteratorType >::anchor.

◆ value()

template<typename IteratorType >
IteratorType::reference nlohmann::detail::iteration_proxy_value< IteratorType >::value ( ) const
inline

return value of the iterator

Definition at line 3989 of file json.h.

References nlohmann::detail::iteration_proxy_value< IteratorType >::anchor.

Member Data Documentation

◆ anchor

template<typename IteratorType >
IteratorType nlohmann::detail::iteration_proxy_value< IteratorType >::anchor
private

the iterator

Definition at line 3920 of file json.h.

Referenced by nlohmann::detail::iteration_proxy_value< IteratorType >::key(), nlohmann::detail::iteration_proxy_value< IteratorType >::operator!=(), nlohmann::detail::iteration_proxy_value< IteratorType >::operator++(), nlohmann::detail::iteration_proxy_value< IteratorType >::operator==(), and nlohmann::detail::iteration_proxy_value< IteratorType >::value().

◆ array_index

template<typename IteratorType >
std::size_t nlohmann::detail::iteration_proxy_value< IteratorType >::array_index = 0
private

an index for arrays (used to create key names)

Definition at line 3922 of file json.h.

Referenced by nlohmann::detail::iteration_proxy_value< IteratorType >::key(), and nlohmann::detail::iteration_proxy_value< IteratorType >::operator++().

◆ array_index_last

template<typename IteratorType >
std::size_t nlohmann::detail::iteration_proxy_value< IteratorType >::array_index_last = 0
mutableprivate

last stringified array index

Definition at line 3924 of file json.h.

Referenced by nlohmann::detail::iteration_proxy_value< IteratorType >::key().

◆ array_index_str

template<typename IteratorType >
string_type nlohmann::detail::iteration_proxy_value< IteratorType >::array_index_str = "0"
mutableprivate

a string representation of the array index

Definition at line 3926 of file json.h.

Referenced by nlohmann::detail::iteration_proxy_value< IteratorType >::key().

◆ empty_str

template<typename IteratorType >
const string_type nlohmann::detail::iteration_proxy_value< IteratorType >::empty_str = ""
private

an empty string (to return a reference for primitive values)

Definition at line 3928 of file json.h.

Referenced by nlohmann::detail::iteration_proxy_value< IteratorType >::key().

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