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rapidjson::GenericMemberIterator< Const, Encoding, Allocator > 模板类 参考

(Constant) member iterator for a JSON object value 更多...

#include <document.h>

类 rapidjson::GenericMemberIterator< Const, Encoding, Allocator > 继承关系图:

Public 类型

typedef GenericMemberIterator Iterator
 Iterator type itself.
 
typedef GenericMemberIterator
< true, Encoding, Allocator
ConstIterator
 Constant iterator type.
 
typedef GenericMemberIterator
< false, Encoding, Allocator
NonConstIterator
 Non-constant iterator type.
 
typedef BaseType::pointer Pointer
 Pointer to (const) GenericMember.
 
typedef BaseType::reference Reference
 Reference to (const) GenericMember.
 
typedef BaseType::difference_type DifferenceType
 Signed integer type (e.g. ptrdiff_t)
 

Public 成员函数

 GenericMemberIterator ()
 Default constructor (singular value) 更多...
 
 GenericMemberIterator (const NonConstIterator &it)
 Iterator conversions to more const. 更多...
 
DifferenceType operator- (ConstIterator that) const
 Distance.
 
stepping
Iteratoroperator++ ()
 
Iteratoroperator-- ()
 
Iterator operator++ (int)
 
Iterator operator-- (int)
 
increment/decrement
Iterator operator+ (DifferenceType n) const
 
Iterator operator- (DifferenceType n) const
 
Iteratoroperator+= (DifferenceType n)
 
Iteratoroperator-= (DifferenceType n)
 
relations
bool operator== (ConstIterator that) const
 
bool operator!= (ConstIterator that) const
 
bool operator<= (ConstIterator that) const
 
bool operator>= (ConstIterator that) const
 
bool operator< (ConstIterator that) const
 
bool operator> (ConstIterator that) const
 
dereference
Reference operator* () const
 
Pointer operator-> () const
 
Reference operator[] (DifferenceType n) const
 

友元

class GenericValue< Encoding, Allocator >
 
template<bool , typename , typename >
class GenericMemberIterator
 

详细描述

template<bool Const, typename Encoding, typename Allocator>
class rapidjson::GenericMemberIterator< Const, Encoding, Allocator >

(Constant) member iterator for a JSON object value

模板参数
ConstIs this a constant iterator?
EncodingEncoding of the value. (Even non-string values need to have the same encoding in a document)
AllocatorAllocator type for allocating memory of object, array and string.

This class implements a Random Access Iterator for GenericMember elements of a GenericValue, see ISO/IEC 14882:2003(E) C++ standard, 24.1 [lib.iterator.requirements].

注解
This iterator implementation is mainly intended to avoid implicit conversions from iterator values to NULL, e.g. from GenericValue::FindMember.
Define RAPIDJSON_NOMEMBERITERATORCLASS to fall back to a pointer-based implementation, if your platform doesn't provide the C++ <iterator> header.
参见
GenericMember, GenericValue::MemberIterator, GenericValue::ConstMemberIterator

构造及析构函数说明

template<bool Const, typename Encoding, typename Allocator>
rapidjson::GenericMemberIterator< Const, Encoding, Allocator >::GenericMemberIterator ( )
inline

Default constructor (singular value)

Creates an iterator pointing to no element.

注解
All operations, except for comparisons, are undefined on such values.
template<bool Const, typename Encoding, typename Allocator>
rapidjson::GenericMemberIterator< Const, Encoding, Allocator >::GenericMemberIterator ( const NonConstIterator it)
inline

Iterator conversions to more const.

参数
it(Non-const) iterator to copy from

Allows the creation of an iterator from another GenericMemberIterator that is "less const". Especially, creating a non-constant iterator from a constant iterator are disabled:

  • const -> non-const (not ok)
  • const -> const (ok)
  • non-const -> const (ok)
  • non-const -> non-const (ok)
注解
If the Const template parameter is already false, this constructor effectively defines a regular copy-constructor. Otherwise, the copy constructor is implicitly defined.

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