2683 lines
116 KiB
C
2683 lines
116 KiB
C
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// Tencent is pleased to support the open source community by making RapidJSON available.
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//
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// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
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//
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// Licensed under the MIT License (the "License"); you may not use this file except
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// in compliance with the License. You may obtain a copy of the License at
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//
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// http://opensource.org/licenses/MIT
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//
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// Unless required by applicable law or agreed to in writing, software distributed
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// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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// CONDITIONS OF ANY KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations under the License.
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#ifndef RAPIDJSON_DOCUMENT_H_
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#define RAPIDJSON_DOCUMENT_H_
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/*! \file document.h */
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#include "reader.h"
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#include "internal/meta.h"
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#include "internal/strfunc.h"
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#include "memorystream.h"
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#include "encodedstream.h"
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#include <new> // placement new
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#include <limits>
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RAPIDJSON_DIAG_PUSH
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#ifdef __clang__
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RAPIDJSON_DIAG_OFF(padded)
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RAPIDJSON_DIAG_OFF(switch-enum)
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RAPIDJSON_DIAG_OFF(c++98-compat)
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#elif defined(_MSC_VER)
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RAPIDJSON_DIAG_OFF(4127) // conditional expression is constant
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RAPIDJSON_DIAG_OFF(4244) // conversion from kXxxFlags to 'uint16_t', possible loss of data
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#endif
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#ifdef __GNUC__
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RAPIDJSON_DIAG_OFF(effc++)
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#endif // __GNUC__
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#ifndef RAPIDJSON_NOMEMBERITERATORCLASS
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#include <iterator> // std::random_access_iterator_tag
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#endif
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#if RAPIDJSON_HAS_CXX11_RVALUE_REFS
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#include <utility> // std::move
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#endif
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RAPIDJSON_NAMESPACE_BEGIN
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// Forward declaration.
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template <typename Encoding, typename Allocator>
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class GenericValue;
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template <typename Encoding, typename Allocator, typename StackAllocator>
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class GenericDocument;
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//! Name-value pair in a JSON object value.
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/*!
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This class was internal to GenericValue. It used to be a inner struct.
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But a compiler (IBM XL C/C++ for AIX) have reported to have problem with that so it moved as a namespace scope struct.
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https://code.google.com/p/rapidjson/issues/detail?id=64
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*/
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template <typename Encoding, typename Allocator>
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class GenericMember {
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public:
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GenericValue<Encoding, Allocator> name; //!< name of member (must be a string)
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GenericValue<Encoding, Allocator> value; //!< value of member.
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#if RAPIDJSON_HAS_CXX11_RVALUE_REFS
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//! Move constructor in C++11
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GenericMember(GenericMember&& rhs) RAPIDJSON_NOEXCEPT
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: name(std::move(rhs.name)),
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value(std::move(rhs.value))
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{
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}
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//! Move assignment in C++11
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GenericMember& operator=(GenericMember&& rhs) RAPIDJSON_NOEXCEPT {
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return *this = static_cast<GenericMember&>(rhs);
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}
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#endif
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//! Assignment with move semantics.
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/*! \param rhs Source of the assignment. Its name and value will become a null value after assignment.
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*/
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GenericMember& operator=(GenericMember& rhs) RAPIDJSON_NOEXCEPT {
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if (RAPIDJSON_LIKELY(this != &rhs)) {
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name = rhs.name;
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value = rhs.value;
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}
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return *this;
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}
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// swap() for std::sort() and other potential use in STL.
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friend inline void swap(GenericMember& a, GenericMember& b) RAPIDJSON_NOEXCEPT {
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a.name.Swap(b.name);
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a.value.Swap(b.value);
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}
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private:
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//! Copy constructor is not permitted.
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GenericMember(const GenericMember& rhs);
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};
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///////////////////////////////////////////////////////////////////////////////
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// GenericMemberIterator
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#ifndef RAPIDJSON_NOMEMBERITERATORCLASS
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//! (Constant) member iterator for a JSON object value
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/*!
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\tparam Const Is this a constant iterator?
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\tparam Encoding Encoding of the value. (Even non-string values need to have the same encoding in a document)
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\tparam Allocator Allocator type for allocating memory of object, array and string.
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This class implements a Random Access Iterator for GenericMember elements
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of a GenericValue, see ISO/IEC 14882:2003(E) C++ standard, 24.1 [lib.iterator.requirements].
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\note This iterator implementation is mainly intended to avoid implicit
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conversions from iterator values to \c NULL,
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e.g. from GenericValue::FindMember.
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\note Define \c RAPIDJSON_NOMEMBERITERATORCLASS to fall back to a
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pointer-based implementation, if your platform doesn't provide
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the C++ <iterator> header.
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\see GenericMember, GenericValue::MemberIterator, GenericValue::ConstMemberIterator
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*/
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template <bool Const, typename Encoding, typename Allocator>
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class GenericMemberIterator {
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friend class GenericValue<Encoding,Allocator>;
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template <bool, typename, typename> friend class GenericMemberIterator;
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typedef GenericMember<Encoding,Allocator> PlainType;
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typedef typename internal::MaybeAddConst<Const,PlainType>::Type ValueType;
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public:
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//! Iterator type itself
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typedef GenericMemberIterator Iterator;
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//! Constant iterator type
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typedef GenericMemberIterator<true,Encoding,Allocator> ConstIterator;
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//! Non-constant iterator type
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typedef GenericMemberIterator<false,Encoding,Allocator> NonConstIterator;
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/** \name std::iterator_traits support */
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//@{
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typedef ValueType value_type;
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typedef ValueType * pointer;
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typedef ValueType & reference;
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typedef std::ptrdiff_t difference_type;
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typedef std::random_access_iterator_tag iterator_category;
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//@}
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//! Pointer to (const) GenericMember
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typedef pointer Pointer;
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//! Reference to (const) GenericMember
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typedef reference Reference;
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//! Signed integer type (e.g. \c ptrdiff_t)
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typedef difference_type DifferenceType;
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//! Default constructor (singular value)
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/*! Creates an iterator pointing to no element.
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\note All operations, except for comparisons, are undefined on such values.
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*/
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GenericMemberIterator() : ptr_() {}
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//! Iterator conversions to more const
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/*!
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\param it (Non-const) iterator to copy from
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Allows the creation of an iterator from another GenericMemberIterator
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that is "less const". Especially, creating a non-constant iterator
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from a constant iterator are disabled:
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\li const -> non-const (not ok)
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\li const -> const (ok)
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\li non-const -> const (ok)
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\li non-const -> non-const (ok)
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\note If the \c Const template parameter is already \c false, this
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constructor effectively defines a regular copy-constructor.
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Otherwise, the copy constructor is implicitly defined.
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*/
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GenericMemberIterator(const NonConstIterator & it) : ptr_(it.ptr_) {}
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Iterator& operator=(const NonConstIterator & it) { ptr_ = it.ptr_; return *this; }
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//! @name stepping
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//@{
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Iterator& operator++(){ ++ptr_; return *this; }
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Iterator& operator--(){ --ptr_; return *this; }
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Iterator operator++(int){ Iterator old(*this); ++ptr_; return old; }
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Iterator operator--(int){ Iterator old(*this); --ptr_; return old; }
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//@}
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//! @name increment/decrement
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//@{
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Iterator operator+(DifferenceType n) const { return Iterator(ptr_+n); }
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Iterator operator-(DifferenceType n) const { return Iterator(ptr_-n); }
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Iterator& operator+=(DifferenceType n) { ptr_+=n; return *this; }
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Iterator& operator-=(DifferenceType n) { ptr_-=n; return *this; }
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//@}
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//! @name relations
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//@{
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bool operator==(ConstIterator that) const { return ptr_ == that.ptr_; }
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bool operator!=(ConstIterator that) const { return ptr_ != that.ptr_; }
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bool operator<=(ConstIterator that) const { return ptr_ <= that.ptr_; }
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bool operator>=(ConstIterator that) const { return ptr_ >= that.ptr_; }
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bool operator< (ConstIterator that) const { return ptr_ < that.ptr_; }
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bool operator> (ConstIterator that) const { return ptr_ > that.ptr_; }
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//@}
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//! @name dereference
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//@{
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Reference operator*() const { return *ptr_; }
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Pointer operator->() const { return ptr_; }
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Reference operator[](DifferenceType n) const { return ptr_[n]; }
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//@}
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//! Distance
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DifferenceType operator-(ConstIterator that) const { return ptr_-that.ptr_; }
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private:
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//! Internal constructor from plain pointer
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explicit GenericMemberIterator(Pointer p) : ptr_(p) {}
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Pointer ptr_; //!< raw pointer
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};
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#else // RAPIDJSON_NOMEMBERITERATORCLASS
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// class-based member iterator implementation disabled, use plain pointers
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template <bool Const, typename Encoding, typename Allocator>
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class GenericMemberIterator;
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//! non-const GenericMemberIterator
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template <typename Encoding, typename Allocator>
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class GenericMemberIterator<false,Encoding,Allocator> {
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//! use plain pointer as iterator type
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typedef GenericMember<Encoding,Allocator>* Iterator;
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};
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//! const GenericMemberIterator
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template <typename Encoding, typename Allocator>
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class GenericMemberIterator<true,Encoding,Allocator> {
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//! use plain const pointer as iterator type
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typedef const GenericMember<Encoding,Allocator>* Iterator;
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};
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#endif // RAPIDJSON_NOMEMBERITERATORCLASS
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///////////////////////////////////////////////////////////////////////////////
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// GenericStringRef
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//! Reference to a constant string (not taking a copy)
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/*!
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\tparam CharType character type of the string
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This helper class is used to automatically infer constant string
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references for string literals, especially from \c const \b (!)
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character arrays.
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The main use is for creating JSON string values without copying the
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source string via an \ref Allocator. This requires that the referenced
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string pointers have a sufficient lifetime, which exceeds the lifetime
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of the associated GenericValue.
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\b Example
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\code
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Value v("foo"); // ok, no need to copy & calculate length
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const char foo[] = "foo";
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v.SetString(foo); // ok
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const char* bar = foo;
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// Value x(bar); // not ok, can't rely on bar's lifetime
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Value x(StringRef(bar)); // lifetime explicitly guaranteed by user
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Value y(StringRef(bar, 3)); // ok, explicitly pass length
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\endcode
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\see StringRef, GenericValue::SetString
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*/
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template<typename CharType>
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struct GenericStringRef {
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typedef CharType Ch; //!< character type of the string
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//! Create string reference from \c const character array
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#ifndef __clang__ // -Wdocumentation
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/*!
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This constructor implicitly creates a constant string reference from
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a \c const character array. It has better performance than
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\ref StringRef(const CharType*) by inferring the string \ref length
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from the array length, and also supports strings containing null
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characters.
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\tparam N length of the string, automatically inferred
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\param str Constant character array, lifetime assumed to be longer
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than the use of the string in e.g. a GenericValue
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\post \ref s == str
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\note Constant complexity.
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\note There is a hidden, private overload to disallow references to
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non-const character arrays to be created via this constructor.
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By this, e.g. function-scope arrays used to be filled via
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\c snprintf are excluded from consideration.
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In such cases, the referenced string should be \b copied to the
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GenericValue instead.
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*/
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#endif
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template<SizeType N>
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GenericStringRef(const CharType (&str)[N]) RAPIDJSON_NOEXCEPT
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: s(str), length(N-1) {}
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//! Explicitly create string reference from \c const character pointer
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#ifndef __clang__ // -Wdocumentation
|
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/*!
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This constructor can be used to \b explicitly create a reference to
|
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a constant string pointer.
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||
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\see StringRef(const CharType*)
|
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\param str Constant character pointer, lifetime assumed to be longer
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than the use of the string in e.g. a GenericValue
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\post \ref s == str
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\note There is a hidden, private overload to disallow references to
|
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non-const character arrays to be created via this constructor.
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||
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By this, e.g. function-scope arrays used to be filled via
|
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\c snprintf are excluded from consideration.
|
||
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In such cases, the referenced string should be \b copied to the
|
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GenericValue instead.
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||
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*/
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||
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#endif
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||
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explicit GenericStringRef(const CharType* str)
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||
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: s(str), length(NotNullStrLen(str)) {}
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||
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//! Create constant string reference from pointer and length
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#ifndef __clang__ // -Wdocumentation
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/*! \param str constant string, lifetime assumed to be longer than the use of the string in e.g. a GenericValue
|
||
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\param len length of the string, excluding the trailing NULL terminator
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||
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\post \ref s == str && \ref length == len
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\note Constant complexity.
|
||
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*/
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||
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#endif
|
||
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GenericStringRef(const CharType* str, SizeType len)
|
||
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: s(RAPIDJSON_LIKELY(str) ? str : emptyString), length(len) { RAPIDJSON_ASSERT(str != 0 || len == 0u); }
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||
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GenericStringRef(const GenericStringRef& rhs) : s(rhs.s), length(rhs.length) {}
|
||
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//! implicit conversion to plain CharType pointer
|
||
|
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operator const Ch *() const { return s; }
|
||
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||
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const Ch* const s; //!< plain CharType pointer
|
||
|
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const SizeType length; //!< length of the string (excluding the trailing NULL terminator)
|
||
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||
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private:
|
||
|
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SizeType NotNullStrLen(const CharType* str) {
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||
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RAPIDJSON_ASSERT(str != 0);
|
||
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return internal::StrLen(str);
|
||
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}
|
||
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||
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/// Empty string - used when passing in a NULL pointer
|
||
|
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static const Ch emptyString[];
|
||
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|
||
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//! Disallow construction from non-const array
|
||
|
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template<SizeType N>
|
||
|
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GenericStringRef(CharType (&str)[N]) /* = delete */;
|
||
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|
//! Copy assignment operator not permitted - immutable type
|
||
|
|
GenericStringRef& operator=(const GenericStringRef& rhs) /* = delete */;
|
||
|
|
};
|
||
|
|
|
||
|
|
template<typename CharType>
|
||
|
|
const CharType GenericStringRef<CharType>::emptyString[] = { CharType() };
|
||
|
|
|
||
|
|
//! Mark a character pointer as constant string
|
||
|
|
/*! Mark a plain character pointer as a "string literal". This function
|
||
|
|
can be used to avoid copying a character string to be referenced as a
|
||
|
|
value in a JSON GenericValue object, if the string's lifetime is known
|
||
|
|
to be valid long enough.
|
||
|
|
\tparam CharType Character type of the string
|
||
|
|
\param str Constant string, lifetime assumed to be longer than the use of the string in e.g. a GenericValue
|
||
|
|
\return GenericStringRef string reference object
|
||
|
|
\relatesalso GenericStringRef
|
||
|
|
|
||
|
|
\see GenericValue::GenericValue(StringRefType), GenericValue::operator=(StringRefType), GenericValue::SetString(StringRefType), GenericValue::PushBack(StringRefType, Allocator&), GenericValue::AddMember
|
||
|
|
*/
|
||
|
|
template<typename CharType>
|
||
|
|
inline GenericStringRef<CharType> StringRef(const CharType* str) {
|
||
|
|
return GenericStringRef<CharType>(str);
|
||
|
|
}
|
||
|
|
|
||
|
|
//! Mark a character pointer as constant string
|
||
|
|
/*! Mark a plain character pointer as a "string literal". This function
|
||
|
|
can be used to avoid copying a character string to be referenced as a
|
||
|
|
value in a JSON GenericValue object, if the string's lifetime is known
|
||
|
|
to be valid long enough.
|
||
|
|
|
||
|
|
This version has better performance with supplied length, and also
|
||
|
|
supports string containing null characters.
|
||
|
|
|
||
|
|
\tparam CharType character type of the string
|
||
|
|
\param str Constant string, lifetime assumed to be longer than the use of the string in e.g. a GenericValue
|
||
|
|
\param length The length of source string.
|
||
|
|
\return GenericStringRef string reference object
|
||
|
|
\relatesalso GenericStringRef
|
||
|
|
*/
|
||
|
|
template<typename CharType>
|
||
|
|
inline GenericStringRef<CharType> StringRef(const CharType* str, size_t length) {
|
||
|
|
return GenericStringRef<CharType>(str, SizeType(length));
|
||
|
|
}
|
||
|
|
|
||
|
|
#if RAPIDJSON_HAS_STDSTRING
|
||
|
|
//! Mark a string object as constant string
|
||
|
|
/*! Mark a string object (e.g. \c std::string) as a "string literal".
|
||
|
|
This function can be used to avoid copying a string to be referenced as a
|
||
|
|
value in a JSON GenericValue object, if the string's lifetime is known
|
||
|
|
to be valid long enough.
|
||
|
|
|
||
|
|
\tparam CharType character type of the string
|
||
|
|
\param str Constant string, lifetime assumed to be longer than the use of the string in e.g. a GenericValue
|
||
|
|
\return GenericStringRef string reference object
|
||
|
|
\relatesalso GenericStringRef
|
||
|
|
\note Requires the definition of the preprocessor symbol \ref RAPIDJSON_HAS_STDSTRING.
|
||
|
|
*/
|
||
|
|
template<typename CharType>
|
||
|
|
inline GenericStringRef<CharType> StringRef(const std::basic_string<CharType>& str) {
|
||
|
|
return GenericStringRef<CharType>(str.data(), SizeType(str.size()));
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
///////////////////////////////////////////////////////////////////////////////
|
||
|
|
// GenericValue type traits
|
||
|
|
namespace internal {
|
||
|
|
|
||
|
|
template <typename T, typename Encoding = void, typename Allocator = void>
|
||
|
|
struct IsGenericValueImpl : FalseType {};
|
||
|
|
|
||
|
|
// select candidates according to nested encoding and allocator types
|
||
|
|
template <typename T> struct IsGenericValueImpl<T, typename Void<typename T::EncodingType>::Type, typename Void<typename T::AllocatorType>::Type>
|
||
|
|
: IsBaseOf<GenericValue<typename T::EncodingType, typename T::AllocatorType>, T>::Type {};
|
||
|
|
|
||
|
|
// helper to match arbitrary GenericValue instantiations, including derived classes
|
||
|
|
template <typename T> struct IsGenericValue : IsGenericValueImpl<T>::Type {};
|
||
|
|
|
||
|
|
} // namespace internal
|
||
|
|
|
||
|
|
///////////////////////////////////////////////////////////////////////////////
|
||
|
|
// TypeHelper
|
||
|
|
|
||
|
|
namespace internal {
|
||
|
|
|
||
|
|
template <typename ValueType, typename T>
|
||
|
|
struct TypeHelper {};
|
||
|
|
|
||
|
|
template<typename ValueType>
|
||
|
|
struct TypeHelper<ValueType, bool> {
|
||
|
|
static bool Is(const ValueType& v) { return v.IsBool(); }
|
||
|
|
static bool Get(const ValueType& v) { return v.GetBool(); }
|
||
|
|
static ValueType& Set(ValueType& v, bool data) { return v.SetBool(data); }
|
||
|
|
static ValueType& Set(ValueType& v, bool data, typename ValueType::AllocatorType&) { return v.SetBool(data); }
|
||
|
|
};
|
||
|
|
|
||
|
|
template<typename ValueType>
|
||
|
|
struct TypeHelper<ValueType, int> {
|
||
|
|
static bool Is(const ValueType& v) { return v.IsInt(); }
|
||
|
|
static int Get(const ValueType& v) { return v.GetInt(); }
|
||
|
|
static ValueType& Set(ValueType& v, int data) { return v.SetInt(data); }
|
||
|
|
static ValueType& Set(ValueType& v, int data, typename ValueType::AllocatorType&) { return v.SetInt(data); }
|
||
|
|
};
|
||
|
|
|
||
|
|
template<typename ValueType>
|
||
|
|
struct TypeHelper<ValueType, unsigned> {
|
||
|
|
static bool Is(const ValueType& v) { return v.IsUint(); }
|
||
|
|
static unsigned Get(const ValueType& v) { return v.GetUint(); }
|
||
|
|
static ValueType& Set(ValueType& v, unsigned data) { return v.SetUint(data); }
|
||
|
|
static ValueType& Set(ValueType& v, unsigned data, typename ValueType::AllocatorType&) { return v.SetUint(data); }
|
||
|
|
};
|
||
|
|
|
||
|
|
#ifdef _MSC_VER
|
||
|
|
RAPIDJSON_STATIC_ASSERT(sizeof(long) == sizeof(int));
|
||
|
|
template<typename ValueType>
|
||
|
|
struct TypeHelper<ValueType, long> {
|
||
|
|
static bool Is(const ValueType& v) { return v.IsInt(); }
|
||
|
|
static long Get(const ValueType& v) { return v.GetInt(); }
|
||
|
|
static ValueType& Set(ValueType& v, long data) { return v.SetInt(data); }
|
||
|
|
static ValueType& Set(ValueType& v, long data, typename ValueType::AllocatorType&) { return v.SetInt(data); }
|
||
|
|
};
|
||
|
|
|
||
|
|
RAPIDJSON_STATIC_ASSERT(sizeof(unsigned long) == sizeof(unsigned));
|
||
|
|
template<typename ValueType>
|
||
|
|
struct TypeHelper<ValueType, unsigned long> {
|
||
|
|
static bool Is(const ValueType& v) { return v.IsUint(); }
|
||
|
|
static unsigned long Get(const ValueType& v) { return v.GetUint(); }
|
||
|
|
static ValueType& Set(ValueType& v, unsigned long data) { return v.SetUint(data); }
|
||
|
|
static ValueType& Set(ValueType& v, unsigned long data, typename ValueType::AllocatorType&) { return v.SetUint(data); }
|
||
|
|
};
|
||
|
|
#endif
|
||
|
|
|
||
|
|
template<typename ValueType>
|
||
|
|
struct TypeHelper<ValueType, int64_t> {
|
||
|
|
static bool Is(const ValueType& v) { return v.IsInt64(); }
|
||
|
|
static int64_t Get(const ValueType& v) { return v.GetInt64(); }
|
||
|
|
static ValueType& Set(ValueType& v, int64_t data) { return v.SetInt64(data); }
|
||
|
|
static ValueType& Set(ValueType& v, int64_t data, typename ValueType::AllocatorType&) { return v.SetInt64(data); }
|
||
|
|
};
|
||
|
|
|
||
|
|
template<typename ValueType>
|
||
|
|
struct TypeHelper<ValueType, uint64_t> {
|
||
|
|
static bool Is(const ValueType& v) { return v.IsUint64(); }
|
||
|
|
static uint64_t Get(const ValueType& v) { return v.GetUint64(); }
|
||
|
|
static ValueType& Set(ValueType& v, uint64_t data) { return v.SetUint64(data); }
|
||
|
|
static ValueType& Set(ValueType& v, uint64_t data, typename ValueType::AllocatorType&) { return v.SetUint64(data); }
|
||
|
|
};
|
||
|
|
|
||
|
|
template<typename ValueType>
|
||
|
|
struct TypeHelper<ValueType, double> {
|
||
|
|
static bool Is(const ValueType& v) { return v.IsDouble(); }
|
||
|
|
static double Get(const ValueType& v) { return v.GetDouble(); }
|
||
|
|
static ValueType& Set(ValueType& v, double data) { return v.SetDouble(data); }
|
||
|
|
static ValueType& Set(ValueType& v, double data, typename ValueType::AllocatorType&) { return v.SetDouble(data); }
|
||
|
|
};
|
||
|
|
|
||
|
|
template<typename ValueType>
|
||
|
|
struct TypeHelper<ValueType, float> {
|
||
|
|
static bool Is(const ValueType& v) { return v.IsFloat(); }
|
||
|
|
static float Get(const ValueType& v) { return v.GetFloat(); }
|
||
|
|
static ValueType& Set(ValueType& v, float data) { return v.SetFloat(data); }
|
||
|
|
static ValueType& Set(ValueType& v, float data, typename ValueType::AllocatorType&) { return v.SetFloat(data); }
|
||
|
|
};
|
||
|
|
|
||
|
|
template<typename ValueType>
|
||
|
|
struct TypeHelper<ValueType, const typename ValueType::Ch*> {
|
||
|
|
typedef const typename ValueType::Ch* StringType;
|
||
|
|
static bool Is(const ValueType& v) { return v.IsString(); }
|
||
|
|
static StringType Get(const ValueType& v) { return v.GetString(); }
|
||
|
|
static ValueType& Set(ValueType& v, const StringType data) { return v.SetString(typename ValueType::StringRefType(data)); }
|
||
|
|
static ValueType& Set(ValueType& v, const StringType data, typename ValueType::AllocatorType& a) { return v.SetString(data, a); }
|
||
|
|
};
|
||
|
|
|
||
|
|
#if RAPIDJSON_HAS_STDSTRING
|
||
|
|
template<typename ValueType>
|
||
|
|
struct TypeHelper<ValueType, std::basic_string<typename ValueType::Ch> > {
|
||
|
|
typedef std::basic_string<typename ValueType::Ch> StringType;
|
||
|
|
static bool Is(const ValueType& v) { return v.IsString(); }
|
||
|
|
static StringType Get(const ValueType& v) { return StringType(v.GetString(), v.GetStringLength()); }
|
||
|
|
static ValueType& Set(ValueType& v, const StringType& data, typename ValueType::AllocatorType& a) { return v.SetString(data, a); }
|
||
|
|
};
|
||
|
|
#endif
|
||
|
|
|
||
|
|
template<typename ValueType>
|
||
|
|
struct TypeHelper<ValueType, typename ValueType::Array> {
|
||
|
|
typedef typename ValueType::Array ArrayType;
|
||
|
|
static bool Is(const ValueType& v) { return v.IsArray(); }
|
||
|
|
static ArrayType Get(ValueType& v) { return v.GetArray(); }
|
||
|
|
static ValueType& Set(ValueType& v, ArrayType data) { return v = data; }
|
||
|
|
static ValueType& Set(ValueType& v, ArrayType data, typename ValueType::AllocatorType&) { return v = data; }
|
||
|
|
};
|
||
|
|
|
||
|
|
template<typename ValueType>
|
||
|
|
struct TypeHelper<ValueType, typename ValueType::ConstArray> {
|
||
|
|
typedef typename ValueType::ConstArray ArrayType;
|
||
|
|
static bool Is(const ValueType& v) { return v.IsArray(); }
|
||
|
|
static ArrayType Get(const ValueType& v) { return v.GetArray(); }
|
||
|
|
};
|
||
|
|
|
||
|
|
template<typename ValueType>
|
||
|
|
struct TypeHelper<ValueType, typename ValueType::Object> {
|
||
|
|
typedef typename ValueType::Object ObjectType;
|
||
|
|
static bool Is(const ValueType& v) { return v.IsObject(); }
|
||
|
|
static ObjectType Get(ValueType& v) { return v.GetObject(); }
|
||
|
|
static ValueType& Set(ValueType& v, ObjectType data) { return v = data; }
|
||
|
|
static ValueType& Set(ValueType& v, ObjectType data, typename ValueType::AllocatorType&) { return v = data; }
|
||
|
|
};
|
||
|
|
|
||
|
|
template<typename ValueType>
|
||
|
|
struct TypeHelper<ValueType, typename ValueType::ConstObject> {
|
||
|
|
typedef typename ValueType::ConstObject ObjectType;
|
||
|
|
static bool Is(const ValueType& v) { return v.IsObject(); }
|
||
|
|
static ObjectType Get(const ValueType& v) { return v.GetObject(); }
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace internal
|
||
|
|
|
||
|
|
// Forward declarations
|
||
|
|
template <bool, typename> class GenericArray;
|
||
|
|
template <bool, typename> class GenericObject;
|
||
|
|
|
||
|
|
///////////////////////////////////////////////////////////////////////////////
|
||
|
|
// GenericValue
|
||
|
|
|
||
|
|
//! Represents a JSON value. Use Value for UTF8 encoding and default allocator.
|
||
|
|
/*!
|
||
|
|
A JSON value can be one of 7 types. This class is a variant type supporting
|
||
|
|
these types.
|
||
|
|
|
||
|
|
Use the Value if UTF8 and default allocator
|
||
|
|
|
||
|
|
\tparam Encoding Encoding of the value. (Even non-string values need to have the same encoding in a document)
|
||
|
|
\tparam Allocator Allocator type for allocating memory of object, array and string.
|
||
|
|
*/
|
||
|
|
template <typename Encoding, typename Allocator = MemoryPoolAllocator<> >
|
||
|
|
class GenericValue {
|
||
|
|
public:
|
||
|
|
//! Name-value pair in an object.
|
||
|
|
typedef GenericMember<Encoding, Allocator> Member;
|
||
|
|
typedef Encoding EncodingType; //!< Encoding type from template parameter.
|
||
|
|
typedef Allocator AllocatorType; //!< Allocator type from template parameter.
|
||
|
|
typedef typename Encoding::Ch Ch; //!< Character type derived from Encoding.
|
||
|
|
typedef GenericStringRef<Ch> StringRefType; //!< Reference to a constant string
|
||
|
|
typedef typename GenericMemberIterator<false,Encoding,Allocator>::Iterator MemberIterator; //!< Member iterator for iterating in object.
|
||
|
|
typedef typename GenericMemberIterator<true,Encoding,Allocator>::Iterator ConstMemberIterator; //!< Constant member iterator for iterating in object.
|
||
|
|
typedef GenericValue* ValueIterator; //!< Value iterator for iterating in array.
|
||
|
|
typedef const GenericValue* ConstValueIterator; //!< Constant value iterator for iterating in array.
|
||
|
|
typedef GenericValue<Encoding, Allocator> ValueType; //!< Value type of itself.
|
||
|
|
typedef GenericArray<false, ValueType> Array;
|
||
|
|
typedef GenericArray<true, ValueType> ConstArray;
|
||
|
|
typedef GenericObject<false, ValueType> Object;
|
||
|
|
typedef GenericObject<true, ValueType> ConstObject;
|
||
|
|
|
||
|
|
//!@name Constructors and destructor.
|
||
|
|
//@{
|
||
|
|
|
||
|
|
//! Default constructor creates a null value.
|
||
|
|
GenericValue() RAPIDJSON_NOEXCEPT : data_() { data_.f.flags = kNullFlag; }
|
||
|
|
|
||
|
|
#if RAPIDJSON_HAS_CXX11_RVALUE_REFS
|
||
|
|
//! Move constructor in C++11
|
||
|
|
GenericValue(GenericValue&& rhs) RAPIDJSON_NOEXCEPT : data_(rhs.data_) {
|
||
|
|
rhs.data_.f.flags = kNullFlag; // give up contents
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
private:
|
||
|
|
//! Copy constructor is not permitted.
|
||
|
|
GenericValue(const GenericValue& rhs);
|
||
|
|
|
||
|
|
#if RAPIDJSON_HAS_CXX11_RVALUE_REFS
|
||
|
|
//! Moving from a GenericDocument is not permitted.
|
||
|
|
template <typename StackAllocator>
|
||
|
|
GenericValue(GenericDocument<Encoding,Allocator,StackAllocator>&& rhs);
|
||
|
|
|
||
|
|
//! Move assignment from a GenericDocument is not permitted.
|
||
|
|
template <typename StackAllocator>
|
||
|
|
GenericValue& operator=(GenericDocument<Encoding,Allocator,StackAllocator>&& rhs);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
public:
|
||
|
|
|
||
|
|
//! Constructor with JSON value type.
|
||
|
|
/*! This creates a Value of specified type with default content.
|
||
|
|
\param type Type of the value.
|
||
|
|
\note Default content for number is zero.
|
||
|
|
*/
|
||
|
|
explicit GenericValue(Type type) RAPIDJSON_NOEXCEPT : data_() {
|
||
|
|
static const uint16_t defaultFlags[] = {
|
||
|
|
kNullFlag, kFalseFlag, kTrueFlag, kObjectFlag, kArrayFlag, kShortStringFlag,
|
||
|
|
kNumberAnyFlag
|
||
|
|
};
|
||
|
|
RAPIDJSON_NOEXCEPT_ASSERT(type >= kNullType && type <= kNumberType);
|
||
|
|
data_.f.flags = defaultFlags[type];
|
||
|
|
|
||
|
|
// Use ShortString to store empty string.
|
||
|
|
if (type == kStringType)
|
||
|
|
data_.ss.SetLength(0);
|
||
|
|
}
|
||
|
|
|
||
|
|
//! Explicit copy constructor (with allocator)
|
||
|
|
/*! Creates a copy of a Value by using the given Allocator
|
||
|
|
\tparam SourceAllocator allocator of \c rhs
|
||
|
|
\param rhs Value to copy from (read-only)
|
||
|
|
\param allocator Allocator for allocating copied elements and buffers. Commonly use GenericDocument::GetAllocator().
|
||
|
|
\param copyConstStrings Force copying of constant strings (e.g. referencing an in-situ buffer)
|
||
|
|
\see CopyFrom()
|
||
|
|
*/
|
||
|
|
template <typename SourceAllocator>
|
||
|
|
GenericValue(const GenericValue<Encoding,SourceAllocator>& rhs, Allocator& allocator, bool copyConstStrings = false) {
|
||
|
|
switch (rhs.GetType()) {
|
||
|
|
case kObjectType: {
|
||
|
|
SizeType count = rhs.data_.o.size;
|
||
|
|
Member* lm = reinterpret_cast<Member*>(allocator.Malloc(count * sizeof(Member)));
|
||
|
|
const typename GenericValue<Encoding,SourceAllocator>::Member* rm = rhs.GetMembersPointer();
|
||
|
|
for (SizeType i = 0; i < count; i++) {
|
||
|
|
new (&lm[i].name) GenericValue(rm[i].name, allocator, copyConstStrings);
|
||
|
|
new (&lm[i].value) GenericValue(rm[i].value, allocator, copyConstStrings);
|
||
|
|
}
|
||
|
|
data_.f.flags = kObjectFlag;
|
||
|
|
data_.o.size = data_.o.capacity = count;
|
||
|
|
SetMembersPointer(lm);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case kArrayType: {
|
||
|
|
SizeType count = rhs.data_.a.size;
|
||
|
|
GenericValue* le = reinterpret_cast<GenericValue*>(allocator.Malloc(count * sizeof(GenericValue)));
|
||
|
|
const GenericValue<Encoding,SourceAllocator>* re = rhs.GetElementsPointer();
|
||
|
|
for (SizeType i = 0; i < count; i++)
|
||
|
|
new (&le[i]) GenericValue(re[i], allocator, copyConstStrings);
|
||
|
|
data_.f.flags = kArrayFlag;
|
||
|
|
data_.a.size = data_.a.capacity = count;
|
||
|
|
SetElementsPointer(le);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case kStringType:
|
||
|
|
if (rhs.data_.f.flags == kConstStringFlag && !copyConstStrings) {
|
||
|
|
data_.f.flags = rhs.data_.f.flags;
|
||
|
|
data_ = *reinterpret_cast<const Data*>(&rhs.data_);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
SetStringRaw(StringRef(rhs.GetString(), rhs.GetStringLength()), allocator);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
data_.f.flags = rhs.data_.f.flags;
|
||
|
|
data_ = *reinterpret_cast<const Data*>(&rhs.data_);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//! Constructor for boolean value.
|
||
|
|
/*! \param b Boolean value
|
||
|
|
\note This constructor is limited to \em real boolean values and rejects
|
||
|
|
implicitly converted types like arbitrary pointers. Use an explicit cast
|
||
|
|
to \c bool, if you want to construct a boolean JSON value in such cases.
|
||
|
|
*/
|
||
|
|
#ifndef RAPIDJSON_DOXYGEN_RUNNING // hide SFINAE from Doxygen
|
||
|
|
template <typename T>
|
||
|
|
explicit GenericValue(T b, RAPIDJSON_ENABLEIF((internal::IsSame<bool, T>))) RAPIDJSON_NOEXCEPT // See #472
|
||
|
|
#else
|
||
|
|
explicit GenericValue(bool b) RAPIDJSON_NOEXCEPT
|
||
|
|
#endif
|
||
|
|
: data_() {
|
||
|
|
// safe-guard against failing SFINAE
|
||
|
|
RAPIDJSON_STATIC_ASSERT((internal::IsSame<bool,T>::Value));
|
||
|
|
data_.f.flags = b ? kTrueFlag : kFalseFlag;
|
||
|
|
}
|
||
|
|
|
||
|
|
//! Constructor for int value.
|
||
|
|
explicit GenericValue(int i) RAPIDJSON_NOEXCEPT : data_() {
|
||
|
|
data_.n.i64 = i;
|
||
|
|
data_.f.flags = (i >= 0) ? (kNumberIntFlag | kUintFlag | kUint64Flag) : kNumberIntFlag;
|
||
|
|
}
|
||
|
|
|
||
|
|
//! Constructor for unsigned value.
|
||
|
|
explicit GenericValue(unsigned u) RAPIDJSON_NOEXCEPT : data_() {
|
||
|
|
data_.n.u64 = u;
|
||
|
|
data_.f.flags = (u & 0x80000000) ? kNumberUintFlag : (kNumberUintFlag | kIntFlag | kInt64Flag);
|
||
|
|
}
|
||
|
|
|
||
|
|
//! Constructor for int64_t value.
|
||
|
|
explicit GenericValue(int64_t i64) RAPIDJSON_NOEXCEPT : data_() {
|
||
|
|
data_.n.i64 = i64;
|
||
|
|
data_.f.flags = kNumberInt64Flag;
|
||
|
|
if (i64 >= 0) {
|
||
|
|
data_.f.flags |= kNumberUint64Flag;
|
||
|
|
if (!(static_cast<uint64_t>(i64) & RAPIDJSON_UINT64_C2(0xFFFFFFFF, 0x00000000)))
|
||
|
|
data_.f.flags |= kUintFlag;
|
||
|
|
if (!(static_cast<uint64_t>(i64) & RAPIDJSON_UINT64_C2(0xFFFFFFFF, 0x80000000)))
|
||
|
|
data_.f.flags |= kIntFlag;
|
||
|
|
}
|
||
|
|
else if (i64 >= static_cast<int64_t>(RAPIDJSON_UINT64_C2(0xFFFFFFFF, 0x80000000)))
|
||
|
|
data_.f.flags |= kIntFlag;
|
||
|
|
}
|
||
|
|
|
||
|
|
//! Constructor for uint64_t value.
|
||
|
|
explicit GenericValue(uint64_t u64) RAPIDJSON_NOEXCEPT : data_() {
|
||
|
|
data_.n.u64 = u64;
|
||
|
|
data_.f.flags = kNumberUint64Flag;
|
||
|
|
if (!(u64 & RAPIDJSON_UINT64_C2(0x80000000, 0x00000000)))
|
||
|
|
data_.f.flags |= kInt64Flag;
|
||
|
|
if (!(u64 & RAPIDJSON_UINT64_C2(0xFFFFFFFF, 0x00000000)))
|
||
|
|
data_.f.flags |= kUintFlag;
|
||
|
|
if (!(u64 & RAPIDJSON_UINT64_C2(0xFFFFFFFF, 0x80000000)))
|
||
|
|
data_.f.flags |= kIntFlag;
|
||
|
|
}
|
||
|
|
|
||
|
|
//! Constructor for double value.
|
||
|
|
explicit GenericValue(double d) RAPIDJSON_NOEXCEPT : data_() { data_.n.d = d; data_.f.flags = kNumberDoubleFlag; }
|
||
|
|
|
||
|
|
//! Constructor for float value.
|
||
|
|
explicit GenericValue(float f) RAPIDJSON_NOEXCEPT : data_() { data_.n.d = static_cast<double>(f); data_.f.flags = kNumberDoubleFlag; }
|
||
|
|
|
||
|
|
//! Constructor for constant string (i.e. do not make a copy of string)
|
||
|
|
GenericValue(const Ch* s, SizeType length) RAPIDJSON_NOEXCEPT : data_() { SetStringRaw(StringRef(s, length)); }
|
||
|
|
|
||
|
|
//! Constructor for constant string (i.e. do not make a copy of string)
|
||
|
|
explicit GenericValue(StringRefType s) RAPIDJSON_NOEXCEPT : data_() { SetStringRaw(s); }
|
||
|
|
|
||
|
|
//! Constructor for copy-string (i.e. do make a copy of string)
|
||
|
|
GenericValue(const Ch* s, SizeType length, Allocator& allocator) : data_() { SetStringRaw(StringRef(s, length), allocator); }
|
||
|
|
|
||
|
|
//! Constructor for copy-string (i.e. do make a copy of string)
|
||
|
|
GenericValue(const Ch*s, Allocator& allocator) : data_() { SetStringRaw(StringRef(s), allocator); }
|
||
|
|
|
||
|
|
#if RAPIDJSON_HAS_STDSTRING
|
||
|
|
//! Constructor for copy-string from a string object (i.e. do make a copy of string)
|
||
|
|
/*! \note Requires the definition of the preprocessor symbol \ref RAPIDJSON_HAS_STDSTRING.
|
||
|
|
*/
|
||
|
|
GenericValue(const std::basic_string<Ch>& s, Allocator& allocator) : data_() { SetStringRaw(StringRef(s), allocator); }
|
||
|
|
#endif
|
||
|
|
|
||
|
|
//! Constructor for Array.
|
||
|
|
/*!
|
||
|
|
\param a An array obtained by \c GetArray().
|
||
|
|
\note \c Array is always pass-by-value.
|
||
|
|
\note the source array is moved into this value and the sourec array becomes empty.
|
||
|
|
*/
|
||
|
|
GenericValue(Array a) RAPIDJSON_NOEXCEPT : data_(a.value_.data_) {
|
||
|
|
a.value_.data_ = Data();
|
||
|
|
a.value_.data_.f.flags = kArrayFlag;
|
||
|
|
}
|
||
|
|
|
||
|
|
//! Constructor for Object.
|
||
|
|
/*!
|
||
|
|
\param o An object obtained by \c GetObject().
|
||
|
|
\note \c Object is always pass-by-value.
|
||
|
|
\note the source object is moved into this value and the sourec object becomes empty.
|
||
|
|
*/
|
||
|
|
GenericValue(Object o) RAPIDJSON_NOEXCEPT : data_(o.value_.data_) {
|
||
|
|
o.value_.data_ = Data();
|
||
|
|
o.value_.data_.f.flags = kObjectFlag;
|
||
|
|
}
|
||
|
|
|
||
|
|
//! Destructor.
|
||
|
|
/*! Need to destruct elements of array, members of object, or copy-string.
|
||
|
|
*/
|
||
|
|
~GenericValue() {
|
||
|
|
if (Allocator::kNeedFree) { // Shortcut by Allocator's trait
|
||
|
|
switch(data_.f.flags) {
|
||
|
|
case kArrayFlag:
|
||
|
|
{
|
||
|
|
GenericValue* e = GetElementsPointer();
|
||
|
|
for (GenericValue* v = e; v != e + data_.a.size; ++v)
|
||
|
|
v->~GenericValue();
|
||
|
|
Allocator::Free(e);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case kObjectFlag:
|
||
|
|
for (MemberIterator m = MemberBegin(); m != MemberEnd(); ++m)
|
||
|
|
m->~Member();
|
||
|
|
Allocator::Free(GetMembersPointer());
|
||
|
|
break;
|
||
|
|
|
||
|
|
case kCopyStringFlag:
|
||
|
|
Allocator::Free(const_cast<Ch*>(GetStringPointer()));
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
break; // Do nothing for other types.
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//@}
|
||
|
|
|
||
|
|
//!@name Assignment operators
|
||
|
|
//@{
|
||
|
|
|
||
|
|
//! Assignment with move semantics.
|
||
|
|
/*! \param rhs Source of the assignment. It will become a null value after assignment.
|
||
|
|
*/
|
||
|
|
GenericValue& operator=(GenericValue& rhs) RAPIDJSON_NOEXCEPT {
|
||
|
|
if (RAPIDJSON_LIKELY(this != &rhs)) {
|
||
|
|
this->~GenericValue();
|
||
|
|
RawAssign(rhs);
|
||
|
|
}
|
||
|
|
return *this;
|
||
|
|
}
|
||
|
|
|
||
|
|
#if RAPIDJSON_HAS_CXX11_RVALUE_REFS
|
||
|
|
//! Move assignment in C++11
|
||
|
|
GenericValue& operator=(GenericValue&& rhs) RAPIDJSON_NOEXCEPT {
|
||
|
|
return *this = rhs.Move();
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
//! Assignment of constant string reference (no copy)
|
||
|
|
/*! \param str Constant string reference to be assigned
|
||
|
|
\note This overload is needed to avoid clashes with the generic primitive type assignment overload below.
|
||
|
|
\see GenericStringRef, operator=(T)
|
||
|
|
*/
|
||
|
|
GenericValue& operator=(StringRefType str) RAPIDJSON_NOEXCEPT {
|
||
|
|
GenericValue s(str);
|
||
|
|
return *this = s;
|
||
|
|
}
|
||
|
|
|
||
|
|
//! Assignment with primitive types.
|
||
|
|
/*! \tparam T Either \ref Type, \c int, \c unsigned, \c int64_t, \c uint64_t
|
||
|
|
\param value The value to be assigned.
|
||
|
|
|
||
|
|
\note The source type \c T explicitly disallows all pointer types,
|
||
|
|
especially (\c const) \ref Ch*. This helps avoiding implicitly
|
||
|
|
referencing character strings with insufficient lifetime, use
|
||
|
|
\ref SetString(const Ch*, Allocator&) (for copying) or
|
||
|
|
\ref StringRef() (to explicitly mark the pointer as constant) instead.
|
||
|
|
All other pointer types would implicitly convert to \c bool,
|
||
|
|
use \ref SetBool() instead.
|
||
|
|
*/
|
||
|
|
template <typename T>
|
||
|
|
RAPIDJSON_DISABLEIF_RETURN((internal::IsPointer<T>), (GenericValue&))
|
||
|
|
operator=(T value) {
|
||
|
|
GenericValue v(value);
|
||
|
|
return *this = v;
|
||
|
|
}
|
||
|
|
|
||
|
|
//! Deep-copy assignment from Value
|
||
|
|
/*! Assigns a \b copy of the Value to the current Value object
|
||
|
|
\tparam SourceAllocator Allocator type of \c rhs
|
||
|
|
\param rhs Value to copy from (read-only)
|
||
|
|
\param allocator Allocator to use for copying
|
||
|
|
\param copyConstStrings Force copying of constant strings (e.g. referencing an in-situ buffer)
|
||
|
|
*/
|
||
|
|
template <typename SourceAllocator>
|
||
|
|
GenericValue& CopyFrom(const GenericValue<Encoding, SourceAllocator>& rhs, Allocator& allocator, bool copyConstStrings = false) {
|
||
|
|
RAPIDJSON_ASSERT(static_cast<void*>(this) != static_cast<void const*>(&rhs));
|
||
|
|
this->~GenericValue();
|
||
|
|
new (this) GenericValue(rhs, allocator, copyConstStrings);
|
||
|
|
return *this;
|
||
|
|
}
|
||
|
|
|
||
|
|
//! Exchange the contents of this value with those of other.
|
||
|
|
/*!
|
||
|
|
\param other Another value.
|
||
|
|
\note Constant complexity.
|
||
|
|
*/
|
||
|
|
GenericValue& Swap(GenericValue& other) RAPIDJSON_NOEXCEPT {
|
||
|
|
GenericValue temp;
|
||
|
|
temp.RawAssign(*this);
|
||
|
|
RawAssign(other);
|
||
|
|
other.RawAssign(temp);
|
||
|
|
return *this;
|
||
|
|
}
|
||
|
|
|
||
|
|
//! free-standing swap function helper
|
||
|
|
/*!
|
||
|
|
Helper function to enable support for common swap implementation pattern based on \c std::swap:
|
||
|
|
\code
|
||
|
|
void swap(MyClass& a, MyClass& b) {
|
||
|
|
using std::swap;
|
||
|
|
swap(a.value, b.value);
|
||
|
|
// ...
|
||
|
|
}
|
||
|
|
\endcode
|
||
|
|
\see Swap()
|
||
|
|
*/
|
||
|
|
friend inline void swap(GenericValue& a, GenericValue& b) RAPIDJSON_NOEXCEPT { a.Swap(b); }
|
||
|
|
|
||
|
|
//! Prepare Value for move semantics
|
||
|
|
/*! \return *this */
|
||
|
|
GenericValue& Move() RAPIDJSON_NOEXCEPT { return *this; }
|
||
|
|
//@}
|
||
|
|
|
||
|
|
//!@name Equal-to and not-equal-to operators
|
||
|
|
//@{
|
||
|
|
//! Equal-to operator
|
||
|
|
/*!
|
||
|
|
\note If an object contains duplicated named member, comparing equality with any object is always \c false.
|
||
|
|
\note Complexity is quadratic in Object's member number and linear for the rest (number of all values in the subtree and total lengths of all strings).
|
||
|
|
*/
|
||
|
|
template <typename SourceAllocator>
|
||
|
|
bool operator==(const GenericValue<Encoding, SourceAllocator>& rhs) const {
|
||
|
|
typedef GenericValue<Encoding, SourceAllocator> RhsType;
|
||
|
|
if (GetType() != rhs.GetType())
|
||
|
|
return false;
|
||
|
|
|
||
|
|
switch (GetType()) {
|
||
|
|
case kObjectType: // Warning: O(n^2) inner-loop
|
||
|
|
if (data_.o.size != rhs.data_.o.size)
|
||
|
|
return false;
|
||
|
|
for (ConstMemberIterator lhsMemberItr = MemberBegin(); lhsMemberItr != MemberEnd(); ++lhsMemberItr) {
|
||
|
|
typename RhsType::ConstMemberIterator rhsMemberItr = rhs.FindMember(lhsMemberItr->name);
|
||
|
|
if (rhsMemberItr == rhs.MemberEnd() || lhsMemberItr->value != rhsMemberItr->value)
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
|
||
|
|
case kArrayType:
|
||
|
|
if (data_.a.size != rhs.data_.a.size)
|
||
|
|
return false;
|
||
|
|
for (SizeType i = 0; i < data_.a.size; i++)
|
||
|
|
if ((*this)[i] != rhs[i])
|
||
|
|
return false;
|
||
|
|
return true;
|
||
|
|
|
||
|
|
case kStringType:
|
||
|
|
return StringEqual(rhs);
|
||
|
|
|
||
|
|
case kNumberType:
|
||
|
|
if (IsDouble() || rhs.IsDouble()) {
|
||
|
|
double a = GetDouble(); // May convert from integer to double.
|
||
|
|
double b = rhs.GetDouble(); // Ditto
|
||
|
|
return a >= b && a <= b; // Prevent -Wfloat-equal
|
||
|
|
}
|
||
|
|
else
|
||
|
|
return data_.n.u64 == rhs.data_.n.u64;
|
||
|
|
|
||
|
|
default:
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//! Equal-to operator with const C-string pointer
|
||
|
|
bool operator==(const Ch* rhs) const { return *this == GenericValue(StringRef(rhs)); }
|
||
|
|
|
||
|
|
#if RAPIDJSON_HAS_STDSTRING
|
||
|
|
//! Equal-to operator with string object
|
||
|
|
/*! \note Requires the definition of the preprocessor symbol \ref RAPIDJSON_HAS_STDSTRING.
|
||
|
|
*/
|
||
|
|
bool operator==(const std::basic_string<Ch>& rhs) const { return *this == GenericValue(StringRef(rhs)); }
|
||
|
|
#endif
|
||
|
|
|
||
|
|
//! Equal-to operator with primitive types
|
||
|
|
/*! \tparam T Either \ref Type, \c int, \c unsigned, \c int64_t, \c uint64_t, \c double, \c true, \c false
|
||
|
|
*/
|
||
|
|
template <typename T> RAPIDJSON_DISABLEIF_RETURN((internal::OrExpr<internal::IsPointer<T>,internal::IsGenericValue<T> >), (bool)) operator==(const T& rhs) const { return *this == GenericValue(rhs); }
|
||
|
|
|
||
|
|
//! Not-equal-to operator
|
||
|
|
/*! \return !(*this == rhs)
|
||
|
|
*/
|
||
|
|
template <typename SourceAllocator>
|
||
|
|
bool operator!=(const GenericValue<Encoding, SourceAllocator>& rhs) const { return !(*this == rhs); }
|
||
|
|
|
||
|
|
//! Not-equal-to operator with const C-string pointer
|
||
|
|
bool operator!=(const Ch* rhs) const { return !(*this == rhs); }
|
||
|
|
|
||
|
|
//! Not-equal-to operator with arbitrary types
|
||
|
|
/*! \return !(*this == rhs)
|
||
|
|
*/
|
||
|
|
template <typename T> RAPIDJSON_DISABLEIF_RETURN((internal::IsGenericValue<T>), (bool)) operator!=(const T& rhs) const { return !(*this == rhs); }
|
||
|
|
|
||
|
|
//! Equal-to operator with arbitrary types (symmetric version)
|
||
|
|
/*! \return (rhs == lhs)
|
||
|
|
*/
|
||
|
|
template <typename T> friend RAPIDJSON_DISABLEIF_RETURN((internal::IsGenericValue<T>), (bool)) operator==(const T& lhs, const GenericValue& rhs) { return rhs == lhs; }
|
||
|
|
|
||
|
|
//! Not-Equal-to operator with arbitrary types (symmetric version)
|
||
|
|
/*! \return !(rhs == lhs)
|
||
|
|
*/
|
||
|
|
template <typename T> friend RAPIDJSON_DISABLEIF_RETURN((internal::IsGenericValue<T>), (bool)) operator!=(const T& lhs, const GenericValue& rhs) { return !(rhs == lhs); }
|
||
|
|
//@}
|
||
|
|
|
||
|
|
//!@name Type
|
||
|
|
//@{
|
||
|
|
|
||
|
|
Type GetType() const { return static_cast<Type>(data_.f.flags & kTypeMask); }
|
||
|
|
bool IsNull() const { return data_.f.flags == kNullFlag; }
|
||
|
|
bool IsFalse() const { return data_.f.flags == kFalseFlag; }
|
||
|
|
bool IsTrue() const { return data_.f.flags == kTrueFlag; }
|
||
|
|
bool IsBool() const { return (data_.f.flags & kBoolFlag) != 0; }
|
||
|
|
bool IsObject() const { return data_.f.flags == kObjectFlag; }
|
||
|
|
bool IsArray() const { return data_.f.flags == kArrayFlag; }
|
||
|
|
bool IsNumber() const { return (data_.f.flags & kNumberFlag) != 0; }
|
||
|
|
bool IsInt() const { return (data_.f.flags & kIntFlag) != 0; }
|
||
|
|
bool IsUint() const { return (data_.f.flags & kUintFlag) != 0; }
|
||
|
|
bool IsInt64() const { return (data_.f.flags & kInt64Flag) != 0; }
|
||
|
|
bool IsUint64() const { return (data_.f.flags & kUint64Flag) != 0; }
|
||
|
|
bool IsDouble() const { return (data_.f.flags & kDoubleFlag) != 0; }
|
||
|
|
bool IsString() const { return (data_.f.flags & kStringFlag) != 0; }
|
||
|
|
|
||
|
|
// Checks whether a number can be losslessly converted to a double.
|
||
|
|
bool IsLosslessDouble() const {
|
||
|
|
if (!IsNumber()) return false;
|
||
|
|
if (IsUint64()) {
|
||
|
|
uint64_t u = GetUint64();
|
||
|
|
volatile double d = static_cast<double>(u);
|
||
|
|
return (d >= 0.0)
|
||
|
|
&& (d < static_cast<double>((std::numeric_limits<uint64_t>::max)()))
|
||
|
|
&& (u == static_cast<uint64_t>(d));
|
||
|
|
}
|
||
|
|
if (IsInt64()) {
|
||
|
|
int64_t i = GetInt64();
|
||
|
|
volatile double d = static_cast<double>(i);
|
||
|
|
return (d >= static_cast<double>((std::numeric_limits<int64_t>::min)()))
|
||
|
|
&& (d < static_cast<double>((std::numeric_limits<int64_t>::max)()))
|
||
|
|
&& (i == static_cast<int64_t>(d));
|
||
|
|
}
|
||
|
|
return true; // double, int, uint are always lossless
|
||
|
|
}
|
||
|
|
|
||
|
|
// Checks whether a number is a float (possible lossy).
|
||
|
|
bool IsFloat() const {
|
||
|
|
if ((data_.f.flags & kDoubleFlag) == 0)
|
||
|
|
return false;
|
||
|
|
double d = GetDouble();
|
||
|
|
return d >= -3.4028234e38 && d <= 3.4028234e38;
|
||
|
|
}
|
||
|
|
// Checks whether a number can be losslessly converted to a float.
|
||
|
|
bool IsLosslessFloat() const {
|
||
|
|
if (!IsNumber()) return false;
|
||
|
|
double a = GetDouble();
|
||
|
|
if (a < static_cast<double>(-(std::numeric_limits<float>::max)())
|
||
|
|
|| a > static_cast<double>((std::numeric_limits<float>::max)()))
|
||
|
|
return false;
|
||
|
|
double b = static_cast<double>(static_cast<float>(a));
|
||
|
|
return a >= b && a <= b; // Prevent -Wfloat-equal
|
||
|
|
}
|
||
|
|
|
||
|
|
//@}
|
||
|
|
|
||
|
|
//!@name Null
|
||
|
|
//@{
|
||
|
|
|
||
|
|
GenericValue& SetNull() { this->~GenericValue(); new (this) GenericValue(); return *this; }
|
||
|
|
|
||
|
|
//@}
|
||
|
|
|
||
|
|
//!@name Bool
|
||
|
|
//@{
|
||
|
|
|
||
|
|
bool GetBool() const { RAPIDJSON_ASSERT(IsBool()); return data_.f.flags == kTrueFlag; }
|
||
|
|
//!< Set boolean value
|
||
|
|
/*! \post IsBool() == true */
|
||
|
|
GenericValue& SetBool(bool b) { this->~GenericValue(); new (this) GenericValue(b); return *this; }
|
||
|
|
|
||
|
|
//@}
|
||
|
|
|
||
|
|
//!@name Object
|
||
|
|
//@{
|
||
|
|
|
||
|
|
//! Set this value as an empty object.
|
||
|
|
/*! \post IsObject() == true */
|
||
|
|
GenericValue& SetObject() { this->~GenericValue(); new (this) GenericValue(kObjectType); return *this; }
|
||
|
|
|
||
|
|
//! Get the number of members in the object.
|
||
|
|
SizeType MemberCount() const { RAPIDJSON_ASSERT(IsObject()); return data_.o.size; }
|
||
|
|
|
||
|
|
//! Get the capacity of object.
|
||
|
|
SizeType MemberCapacity() const { RAPIDJSON_ASSERT(IsObject()); return data_.o.capacity; }
|
||
|
|
|
||
|
|
//! Check whether the object is empty.
|
||
|
|
bool ObjectEmpty() const { RAPIDJSON_ASSERT(IsObject()); return data_.o.size == 0; }
|
||
|
|
|
||
|
|
//! Get a value from an object associated with the name.
|
||
|
|
/*! \pre IsObject() == true
|
||
|
|
\tparam T Either \c Ch or \c const \c Ch (template used for disambiguation with \ref operator[](SizeType))
|
||
|
|
\note In version 0.1x, if the member is not found, this function returns a null value. This makes issue 7.
|
||
|
|
Since 0.2, if the name is not correct, it will assert.
|
||
|
|
If user is unsure whether a member exists, user should use HasMember() first.
|
||
|
|
A better approach is to use FindMember().
|
||
|
|
\note Linear time complexity.
|
||
|
|
*/
|
||
|
|
template <typename T>
|
||
|
|
RAPIDJSON_DISABLEIF_RETURN((internal::NotExpr<internal::IsSame<typename internal::RemoveConst<T>::Type, Ch> >),(GenericValue&)) operator[](T* name) {
|
||
|
|
GenericValue n(StringRef(name));
|
||
|
|
return (*this)[n];
|
||
|
|
}
|
||
|
|
template <typename T>
|
||
|
|
RAPIDJSON_DISABLEIF_RETURN((internal::NotExpr<internal::IsSame<typename internal::RemoveConst<T>::Type, Ch> >),(const GenericValue&)) operator[](T* name) const { return const_cast<GenericValue&>(*this)[name]; }
|
||
|
|
|
||
|
|
//! Get a value from an object associated with the name.
|
||
|
|
/*! \pre IsObject() == true
|
||
|
|
\tparam SourceAllocator Allocator of the \c name value
|
||
|
|
|
||
|
|
\note Compared to \ref operator[](T*), this version is faster because it does not need a StrLen().
|
||
|
|
And it can also handle strings with embedded null characters.
|
||
|
|
|
||
|
|
\note Linear time complexity.
|
||
|
|
*/
|
||
|
|
template <typename SourceAllocator>
|
||
|
|
GenericValue& operator[](const GenericValue<Encoding, SourceAllocator>& name) {
|
||
|
|
MemberIterator member = FindMember(name);
|
||
|
|
if (member != MemberEnd())
|
||
|
|
return member->value;
|
||
|
|
else {
|
||
|
|
RAPIDJSON_ASSERT(false); // see above note
|
||
|
|
|
||
|
|
// This will generate -Wexit-time-destructors in clang
|
||
|
|
// static GenericValue NullValue;
|
||
|
|
// return NullValue;
|
||
|
|
|
||
|
|
// Use static buffer and placement-new to prevent destruction
|
||
|
|
static char buffer[sizeof(GenericValue)];
|
||
|
|
return *new (buffer) GenericValue();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
template <typename SourceAllocator>
|
||
|
|
const GenericValue& operator[](const GenericValue<Encoding, SourceAllocator>& name) const { return const_cast<GenericValue&>(*this)[name]; }
|
||
|
|
|
||
|
|
#if RAPIDJSON_HAS_STDSTRING
|
||
|
|
//! Get a value from an object associated with name (string object).
|
||
|
|
GenericValue& operator[](const std::basic_string<Ch>& name) { return (*this)[GenericValue(StringRef(name))]; }
|
||
|
|
const GenericValue& operator[](const std::basic_string<Ch>& name) const { return (*this)[GenericValue(StringRef(name))]; }
|
||
|
|
#endif
|
||
|
|
|
||
|
|
//! Const member iterator
|
||
|
|
/*! \pre IsObject() == true */
|
||
|
|
ConstMemberIterator MemberBegin() const { RAPIDJSON_ASSERT(IsObject()); return ConstMemberIterator(GetMembersPointer()); }
|
||
|
|
//! Const \em past-the-end member iterator
|
||
|
|
/*! \pre IsObject() == true */
|
||
|
|
ConstMemberIterator MemberEnd() const { RAPIDJSON_ASSERT(IsObject()); return ConstMemberIterator(GetMembersPointer() + data_.o.size); }
|
||
|
|
//! Member iterator
|
||
|
|
/*! \pre IsObject() == true */
|
||
|
|
MemberIterator MemberBegin() { RAPIDJSON_ASSERT(IsObject()); return MemberIterator(GetMembersPointer()); }
|
||
|
|
//! \em Past-the-end member iterator
|
||
|
|
/*! \pre IsObject() == true */
|
||
|
|
MemberIterator MemberEnd() { RAPIDJSON_ASSERT(IsObject()); return MemberIterator(GetMembersPointer() + data_.o.size); }
|
||
|
|
|
||
|
|
//! Request the object to have enough capacity to store members.
|
||
|
|
/*! \param newCapacity The capacity that the object at least need to have.
|
||
|
|
\param allocator Allocator for reallocating memory. It must be the same one as used before. Commonly use GenericDocument::GetAllocator().
|
||
|
|
\return The value itself for fluent API.
|
||
|
|
\note Linear time complexity.
|
||
|
|
*/
|
||
|
|
GenericValue& MemberReserve(SizeType newCapacity, Allocator &allocator) {
|
||
|
|
RAPIDJSON_ASSERT(IsObject());
|
||
|
|
if (newCapacity > data_.o.capacity) {
|
||
|
|
SetMembersPointer(reinterpret_cast<Member*>(allocator.Realloc(GetMembersPointer(), data_.o.capacity * sizeof(Member), newCapacity * sizeof(Member))));
|
||
|
|
data_.o.capacity = newCapacity;
|
||
|
|
}
|
||
|
|
return *this;
|
||
|
|
}
|
||
|
|
|
||
|
|
//! Check whether a member exists in the object.
|
||
|
|
/*!
|
||
|
|
\param name Member name to be searched.
|
||
|
|
\pre IsObject() == true
|
||
|
|
\return Whether a member with that name exists.
|
||
|
|
\note It is better to use FindMember() directly if you need the obtain the value as well.
|
||
|
|
\note Linear time complexity.
|
||
|
|
*/
|
||
|
|
bool HasMember(const Ch* name) const { return FindMember(name) != MemberEnd(); }
|
||
|
|
|
||
|
|
#if RAPIDJSON_HAS_STDSTRING
|
||
|
|
//! Check whether a member exists in the object with string object.
|
||
|
|
/*!
|
||
|
|
\param name Member name to be searched.
|
||
|
|
\pre IsObject() == true
|
||
|
|
\return Whether a member with that name exists.
|
||
|
|
\note It is better to use FindMember() directly if you need the obtain the value as well.
|
||
|
|
\note Linear time complexity.
|
||
|
|
*/
|
||
|
|
bool HasMember(const std::basic_string<Ch>& name) const { return FindMember(name) != MemberEnd(); }
|
||
|
|
#endif
|
||
|
|
|
||
|
|
//! Check whether a member exists in the object with GenericValue name.
|
||
|
|
/*!
|
||
|
|
This version is faster because it does not need a StrLen(). It can also handle string with null character.
|
||
|
|
\param name Member name to be searched.
|
||
|
|
\pre IsObject() == true
|
||
|
|
\return Whether a member with that name exists.
|
||
|
|
\note It is better to use FindMember() directly if you need the obtain the value as well.
|
||
|
|
\note Linear time complexity.
|
||
|
|
*/
|
||
|
|
template <typename SourceAllocator>
|
||
|
|
bool HasMember(const GenericValue<Encoding, SourceAllocator>& name) const { return FindMember(name) != MemberEnd(); }
|
||
|
|
|
||
|
|
//! Find member by name.
|
||
|
|
/*!
|
||
|
|
\param name Member name to be searched.
|
||
|
|
\pre IsObject() == true
|
||
|
|
\return Iterator to member, if it exists.
|
||
|
|
Otherwise returns \ref MemberEnd().
|
||
|
|
|
||
|
|
\note Earlier versions of Rapidjson returned a \c NULL pointer, in case
|
||
|
|
the requested member doesn't exist. For consistency with e.g.
|
||
|
|
\c std::map, this has been changed to MemberEnd() now.
|
||
|
|
\note Linear time complexity.
|
||
|
|
*/
|
||
|
|
MemberIterator FindMember(const Ch* name) {
|
||
|
|
GenericValue n(StringRef(name));
|
||
|
|
return FindMember(n);
|
||
|
|
}
|
||
|
|
|
||
|
|
ConstMemberIterator FindMember(const Ch* name) const { return const_cast<GenericValue&>(*this).FindMember(name); }
|
||
|
|
|
||
|
|
//! Find member by name.
|
||
|
|
/*!
|
||
|
|
This version is faster because it does not need a StrLen(). It can also handle string with null character.
|
||
|
|
\param name Member name to be searched.
|
||
|
|
\pre IsObject() == true
|
||
|
|
\return Iterator to member, if it exists.
|
||
|
|
Otherwise returns \ref MemberEnd().
|
||
|
|
|
||
|
|
\note Earlier versions of Rapidjson returned a \c NULL pointer, in case
|
||
|
|
the requested member doesn't exist. For consistency with e.g.
|
||
|
|
\c std::map, this has been changed to MemberEnd() now.
|
||
|
|
\note Linear time complexity.
|
||
|
|
*/
|
||
|
|
template <typename SourceAllocator>
|
||
|
|
MemberIterator FindMember(const GenericValue<Encoding, SourceAllocator>& name) {
|
||
|
|
RAPIDJSON_ASSERT(IsObject());
|
||
|
|
RAPIDJSON_ASSERT(name.IsString());
|
||
|
|
MemberIterator member = MemberBegin();
|
||
|
|
for ( ; member != MemberEnd(); ++member)
|
||
|
|
if (name.StringEqual(member->name))
|
||
|
|
break;
|
||
|
|
return member;
|
||
|
|
}
|
||
|
|
template <typename SourceAllocator> ConstMemberIterator FindMember(const GenericValue<Encoding, SourceAllocator>& name) const { return const_cast<GenericValue&>(*this).FindMember(name); }
|
||
|
|
|
||
|
|
#if RAPIDJSON_HAS_STDSTRING
|
||
|
|
//! Find member by string object name.
|
||
|
|
/*!
|
||
|
|
\param name Member name to be searched.
|
||
|
|
\pre IsObject() == true
|
||
|
|
\return Iterator to member, if it exists.
|
||
|
|
Otherwise returns \ref MemberEnd().
|
||
|
|
*/
|
||
|
|
MemberIterator FindMember(const std::basic_string<Ch>& name) { return FindMember(GenericValue(StringRef(name))); }
|
||
|
|
ConstMemberIterator FindMember(const std::basic_string<Ch>& name) const { return FindMember(GenericValue(StringRef(name))); }
|
||
|
|
#endif
|
||
|
|
|
||
|
|
//! Add a member (name-value pair) to the object.
|
||
|
|
/*! \param name A string value as name of member.
|
||
|
|
\param value Value of any type.
|
||
|
|
\param allocator Allocator for reallocating memory. It must be the same one as used before. Commonly use GenericDocument::GetAllocator().
|
||
|
|
\return The value itself for fluent API.
|
||
|
|
\note The ownership of \c name and \c value will be transferred to this object on success.
|
||
|
|
\pre IsObject() && name.IsString()
|
||
|
|
\post name.IsNull() && value.IsNull()
|
||
|
|
\note Amortized Constant time complexity.
|
||
|
|
*/
|
||
|
|
GenericValue& AddMember(GenericValue& name, GenericValue& value, Allocator& allocator) {
|
||
|
|
RAPIDJSON_ASSERT(IsObject());
|
||
|
|
RAPIDJSON_ASSERT(name.IsString());
|
||
|
|
|
||
|
|
ObjectData& o = data_.o;
|
||
|
|
if (o.size >= o.capacity)
|
||
|
|
MemberReserve(o.capacity == 0 ? kDefaultObjectCapacity : (o.capacity + (o.capacity + 1) / 2), allocator);
|
||
|
|
Member* members = GetMembersPointer();
|
||
|
|
members[o.size].name.RawAssign(name);
|
||
|
|
members[o.size].value.RawAssign(value);
|
||
|
|
o.size++;
|
||
|
|
return *this;
|
||
|
|
}
|
||
|
|
|
||
|
|
//! Add a constant string value as member (name-value pair) to the object.
|
||
|
|
/*! \param name A string value as name of member.
|
||
|
|
\param value constant string reference as value of member.
|
||
|
|
\param allocator Allocator for reallocating memory. It must be the same one as used before. Commonly use GenericDocument::GetAllocator().
|
||
|
|
\return The value itself for fluent API.
|
||
|
|
\pre IsObject()
|
||
|
|
\note This overload is needed to avoid clashes with the generic primitive type AddMember(GenericValue&,T,Allocator&) overload below.
|
||
|
|
\note Amortized Constant time complexity.
|
||
|
|
*/
|
||
|
|
GenericValue& AddMember(GenericValue& name, StringRefType value, Allocator& allocator) {
|
||
|
|
GenericValue v(value);
|
||
|
|
return AddMember(name, v, allocator);
|
||
|
|
}
|
||
|
|
|
||
|
|
#if RAPIDJSON_HAS_STDSTRING
|
||
|
|
//! Add a string object as member (name-value pair) to the object.
|
||
|
|
/*! \param name A string value as name of member.
|
||
|
|
\param value constant string reference as value of member.
|
||
|
|
\param allocator Allocator for reallocating memory. It must be the same one as used before. Commonly use GenericDocument::GetAllocator().
|
||
|
|
\return The value itself for fluent API.
|
||
|
|
\pre IsObject()
|
||
|
|
\note This overload is needed to avoid clashes with the generic primitive type AddMember(GenericValue&,T,Allocator&) overload below.
|
||
|
|
\note Amortized Constant time complexity.
|
||
|
|
*/
|
||
|
|
GenericValue& AddMember(GenericValue& name, std::basic_string<Ch>& value, Allocator& allocator) {
|
||
|
|
GenericValue v(value, allocator);
|
||
|
|
return AddMember(name, v, allocator);
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
//! Add any primitive value as member (name-value pair) to the object.
|
||
|
|
/*! \tparam T Either \ref Type, \c int, \c unsigned, \c int64_t, \c uint64_t
|
||
|
|
\param name A string value as name of member.
|
||
|
|
\param value Value of primitive type \c T as value of member
|
||
|
|
\param allocator Allocator for reallocating memory. Commonly use GenericDocument::GetAllocator().
|
||
|
|
\return The value itself for fluent API.
|
||
|
|
\pre IsObject()
|
||
|
|
|
||
|
|
\note The source type \c T explicitly disallows all pointer types,
|
||
|
|
especially (\c const) \ref Ch*. This helps avoiding implicitly
|
||
|
|
referencing character strings with insufficient lifetime, use
|
||
|
|
\ref AddMember(StringRefType, GenericValue&, Allocator&) or \ref
|
||
|
|
AddMember(StringRefType, StringRefType, Allocator&).
|
||
|
|
All other pointer types would implicitly convert to \c bool,
|
||
|
|
use an explicit cast instead, if needed.
|
||
|
|
\note Amortized Constant time complexity.
|
||
|
|
*/
|
||
|
|
template <typename T>
|
||
|
|
RAPIDJSON_DISABLEIF_RETURN((internal::OrExpr<internal::IsPointer<T>, internal::IsGenericValue<T> >), (GenericValue&))
|
||
|
|
AddMember(GenericValue& name, T value, Allocator& allocator) {
|
||
|
|
GenericValue v(value);
|
||
|
|
return AddMember(name, v, allocator);
|
||
|
|
}
|
||
|
|
|
||
|
|
#if RAPIDJSON_HAS_CXX11_RVALUE_REFS
|
||
|
|
GenericValue& AddMember(GenericValue&& name, GenericValue&& value, Allocator& allocator) {
|
||
|
|
return AddMember(name, value, allocator);
|
||
|
|
}
|
||
|
|
GenericValue& AddMember(GenericValue&& name, GenericValue& value, Allocator& allocator) {
|
||
|
|
return AddMember(name, value, allocator);
|
||
|
|
}
|
||
|
|
GenericValue& AddMember(GenericValue& name, GenericValue&& value, Allocator& allocator) {
|
||
|
|
return AddMember(name, value, allocator);
|
||
|
|
}
|
||
|
|
GenericValue& AddMember(StringRefType name, GenericValue&& value, Allocator& allocator) {
|
||
|
|
GenericValue n(name);
|
||
|
|
return AddMember(n, value, allocator);
|
||
|
|
}
|
||
|
|
#endif // RAPIDJSON_HAS_CXX11_RVALUE_REFS
|
||
|
|
|
||
|
|
|
||
|
|
//! Add a member (name-value pair) to the object.
|
||
|
|
/*! \param name A constant string reference as name of member.
|
||
|
|
\param value Value of any type.
|
||
|
|
\param allocator Allocator for reallocating memory. It must be the same one as used before. Commonly use GenericDocument::GetAllocator().
|
||
|
|
\return The value itself for fluent API.
|
||
|
|
\note The ownership of \c value will be transferred to this object on success.
|
||
|
|
\pre IsObject()
|
||
|
|
\post value.IsNull()
|
||
|
|
\note Amortized Constant time complexity.
|
||
|
|
*/
|
||
|
|
GenericValue& AddMember(StringRefType name, GenericValue& value, Allocator& allocator) {
|
||
|
|
GenericValue n(name);
|
||
|
|
return AddMember(n, value, allocator);
|
||
|
|
}
|
||
|
|
|
||
|
|
//! Add a constant string value as member (name-value pair) to the object.
|
||
|
|
/*! \param name A constant string reference as name of member.
|
||
|
|
\param value constant string reference as value of member.
|
||
|
|
\param allocator Allocator for reallocating memory. It must be the same one as used before. Commonly use GenericDocument::GetAllocator().
|
||
|
|
\return The value itself for fluent API.
|
||
|
|
\pre IsObject()
|
||
|
|
\note This overload is needed to avoid clashes with the generic primitive type AddMember(StringRefType,T,Allocator&) overload below.
|
||
|
|
\note Amortized Constant time complexity.
|
||
|
|
*/
|
||
|
|
GenericValue& AddMember(StringRefType name, StringRefType value, Allocator& allocator) {
|
||
|
|
GenericValue v(value);
|
||
|
|
return AddMember(name, v, allocator);
|
||
|
|
}
|
||
|
|
|
||
|
|
//! Add any primitive value as member (name-value pair) to the object.
|
||
|
|
/*! \tparam T Either \ref Type, \c int, \c unsigned, \c int64_t, \c uint64_t
|
||
|
|
\param name A constant string reference as name of member.
|
||
|
|
\param value Value of primitive type \c T as value of member
|
||
|
|
\param allocator Allocator for reallocating memory. Commonly use GenericDocument::GetAllocator().
|
||
|
|
\return The value itself for fluent API.
|
||
|
|
\pre IsObject()
|
||
|
|
|
||
|
|
\note The source type \c T explicitly disallows all pointer types,
|
||
|
|
especially (\c const) \ref Ch*. This helps avoiding implicitly
|
||
|
|
referencing character strings with insufficient lifetime, use
|
||
|
|
\ref AddMember(StringRefType, GenericValue&, Allocator&) or \ref
|
||
|
|
AddMember(StringRefType, StringRefType, Allocator&).
|
||
|
|
All other pointer types would implicitly convert to \c bool,
|
||
|
|
use an explicit cast instead, if needed.
|
||
|
|
\note Amortized Constant time complexity.
|
||
|
|
*/
|
||
|
|
template <typename T>
|
||
|
|
RAPIDJSON_DISABLEIF_RETURN((internal::OrExpr<internal::IsPointer<T>, internal::IsGenericValue<T> >), (GenericValue&))
|
||
|
|
AddMember(StringRefType name, T value, Allocator& allocator) {
|
||
|
|
GenericValue n(name);
|
||
|
|
return AddMember(n, value, allocator);
|
||
|
|
}
|
||
|
|
|
||
|
|
//! Remove all members in the object.
|
||
|
|
/*! This function do not deallocate memory in the object, i.e. the capacity is unchanged.
|
||
|
|
\note Linear time complexity.
|
||
|
|
*/
|
||
|
|
void RemoveAllMembers() {
|
||
|
|
RAPIDJSON_ASSERT(IsObject());
|
||
|
|
for (MemberIterator m = MemberBegin(); m != MemberEnd(); ++m)
|
||
|
|
m->~Member();
|
||
|
|
data_.o.size = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
//! Remove a member in object by its name.
|
||
|
|
/*! \param name Name of member to be removed.
|
||
|
|
\return Whether the member existed.
|
||
|
|
\note This function may reorder the object members. Use \ref
|
||
|
|
EraseMember(ConstMemberIterator) if you need to preserve the
|
||
|
|
relative order of the remaining members.
|
||
|
|
\note Linear time complexity.
|
||
|
|
*/
|
||
|
|
bool RemoveMember(const Ch* name) {
|
||
|
|
GenericValue n(StringRef(name));
|
||
|
|
return RemoveMember(n);
|
||
|
|
}
|
||
|
|
|
||
|
|
#if RAPIDJSON_HAS_STDSTRING
|
||
|
|
bool RemoveMember(const std::basic_string<Ch>& name) { return RemoveMember(GenericValue(StringRef(name))); }
|
||
|
|
#endif
|
||
|
|
|
||
|
|
template <typename SourceAllocator>
|
||
|
|
bool RemoveMember(const GenericValue<Encoding, SourceAllocator>& name) {
|
||
|
|
MemberIterator m = FindMember(name);
|
||
|
|
if (m != MemberEnd()) {
|
||
|
|
RemoveMember(m);
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
//! Remove a member in object by iterator.
|
||
|
|
/*! \param m member iterator (obtained by FindMember() or MemberBegin()).
|
||
|
|
\return the new iterator after removal.
|
||
|
|
\note This function may reorder the object members. Use \ref
|
||
|
|
EraseMember(ConstMemberIterator) if you need to preserve the
|
||
|
|
relative order of the remaining members.
|
||
|
|
\note Constant time complexity.
|
||
|
|
*/
|
||
|
|
MemberIterator RemoveMember(MemberIterator m) {
|
||
|
|
RAPIDJSON_ASSERT(IsObject());
|
||
|
|
RAPIDJSON_ASSERT(data_.o.size > 0);
|
||
|
|
RAPIDJSON_ASSERT(GetMembersPointer() != 0);
|
||
|
|
RAPIDJSON_ASSERT(m >= MemberBegin() && m < MemberEnd());
|
||
|
|
|
||
|
|
MemberIterator last(GetMembersPointer() + (data_.o.size - 1));
|
||
|
|
if (data_.o.size > 1 && m != last)
|
||
|
|
*m = *last; // Move the last one to this place
|
||
|
|
else
|
||
|
|
m->~Member(); // Only one left, just destroy
|
||
|
|
--data_.o.size;
|
||
|
|
return m;
|
||
|
|
}
|
||
|
|
|
||
|
|
//! Remove a member from an object by iterator.
|
||
|
|
/*! \param pos iterator to the member to remove
|
||
|
|
\pre IsObject() == true && \ref MemberBegin() <= \c pos < \ref MemberEnd()
|
||
|
|
\return Iterator following the removed element.
|
||
|
|
If the iterator \c pos refers to the last element, the \ref MemberEnd() iterator is returned.
|
||
|
|
\note This function preserves the relative order of the remaining object
|
||
|
|
members. If you do not need this, use the more efficient \ref RemoveMember(MemberIterator).
|
||
|
|
\note Linear time complexity.
|
||
|
|
*/
|
||
|
|
MemberIterator EraseMember(ConstMemberIterator pos) {
|
||
|
|
return EraseMember(pos, pos +1);
|
||
|
|
}
|
||
|
|
|
||
|
|
//! Remove members in the range [first, last) from an object.
|
||
|
|
/*! \param first iterator to the first member to remove
|
||
|
|
\param last iterator following the last member to remove
|
||
|
|
\pre IsObject() == true && \ref MemberBegin() <= \c first <= \c last <= \ref MemberEnd()
|
||
|
|
\return Iterator following the last removed element.
|
||
|
|
\note This function preserves the relative order of the remaining object
|
||
|
|
members.
|
||
|
|
\note Linear time complexity.
|
||
|
|
*/
|
||
|
|
MemberIterator EraseMember(ConstMemberIterator first, ConstMemberIterator last) {
|
||
|
|
RAPIDJSON_ASSERT(IsObject());
|
||
|
|
RAPIDJSON_ASSERT(data_.o.size > 0);
|
||
|
|
RAPIDJSON_ASSERT(GetMembersPointer() != 0);
|
||
|
|
RAPIDJSON_ASSERT(first >= MemberBegin());
|
||
|
|
RAPIDJSON_ASSERT(first <= last);
|
||
|
|
RAPIDJSON_ASSERT(last <= MemberEnd());
|
||
|
|
|
||
|
|
MemberIterator pos = MemberBegin() + (first - MemberBegin());
|
||
|
|
for (MemberIterator itr = pos; itr != last; ++itr)
|
||
|
|
itr->~Member();
|
||
|
|
std::memmove(static_cast<void*>(&*pos), &*last, static_cast<size_t>(MemberEnd() - last) * sizeof(Member));
|
||
|
|
data_.o.size -= static_cast<SizeType>(last - first);
|
||
|
|
return pos;
|
||
|
|
}
|
||
|
|
|
||
|
|
//! Erase a member in object by its name.
|
||
|
|
/*! \param name Name of member to be removed.
|
||
|
|
\return Whether the member existed.
|
||
|
|
\note Linear time complexity.
|
||
|
|
*/
|
||
|
|
bool EraseMember(const Ch* name) {
|
||
|
|
GenericValue n(StringRef(name));
|
||
|
|
return EraseMember(n);
|
||
|
|
}
|
||
|
|
|
||
|
|
#if RAPIDJSON_HAS_STDSTRING
|
||
|
|
bool EraseMember(const std::basic_string<Ch>& name) { return EraseMember(GenericValue(StringRef(name))); }
|
||
|
|
#endif
|
||
|
|
|
||
|
|
template <typename SourceAllocator>
|
||
|
|
bool EraseMember(const GenericValue<Encoding, SourceAllocator>& name) {
|
||
|
|
MemberIterator m = FindMember(name);
|
||
|
|
if (m != MemberEnd()) {
|
||
|
|
EraseMember(m);
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
Object GetObject() { RAPIDJSON_ASSERT(IsObject()); return Object(*this); }
|
||
|
|
ConstObject GetObject() const { RAPIDJSON_ASSERT(IsObject()); return ConstObject(*this); }
|
||
|
|
|
||
|
|
//@}
|
||
|
|
|
||
|
|
//!@name Array
|
||
|
|
//@{
|
||
|
|
|
||
|
|
//! Set this value as an empty array.
|
||
|
|
/*! \post IsArray == true */
|
||
|
|
GenericValue& SetArray() { this->~GenericValue(); new (this) GenericValue(kArrayType); return *this; }
|
||
|
|
|
||
|
|
//! Get the number of elements in array.
|
||
|
|
SizeType Size() const { RAPIDJSON_ASSERT(IsArray()); return data_.a.size; }
|
||
|
|
|
||
|
|
//! Get the capacity of array.
|
||
|
|
SizeType Capacity() const { RAPIDJSON_ASSERT(IsArray()); return data_.a.capacity; }
|
||
|
|
|
||
|
|
//! Check whether the array is empty.
|
||
|
|
bool Empty() const { RAPIDJSON_ASSERT(IsArray()); return data_.a.size == 0; }
|
||
|
|
|
||
|
|
//! Remove all elements in the array.
|
||
|
|
/*! This function do not deallocate memory in the array, i.e. the capacity is unchanged.
|
||
|
|
\note Linear time complexity.
|
||
|
|
*/
|
||
|
|
void Clear() {
|
||
|
|
RAPIDJSON_ASSERT(IsArray());
|
||
|
|
GenericValue* e = GetElementsPointer();
|
||
|
|
for (GenericValue* v = e; v != e + data_.a.size; ++v)
|
||
|
|
v->~GenericValue();
|
||
|
|
data_.a.size = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
//! Get an element from array by index.
|
||
|
|
/*! \pre IsArray() == true
|
||
|
|
\param index Zero-based index of element.
|
||
|
|
\see operator[](T*)
|
||
|
|
*/
|
||
|
|
GenericValue& operator[](SizeType index) {
|
||
|
|
RAPIDJSON_ASSERT(IsArray());
|
||
|
|
RAPIDJSON_ASSERT(index < data_.a.size);
|
||
|
|
return GetElementsPointer()[index];
|
||
|
|
}
|
||
|
|
const GenericValue& operator[](SizeType index) const { return const_cast<GenericValue&>(*this)[index]; }
|
||
|
|
|
||
|
|
//! Element iterator
|
||
|
|
/*! \pre IsArray() == true */
|
||
|
|
ValueIterator Begin() { RAPIDJSON_ASSERT(IsArray()); return GetElementsPointer(); }
|
||
|
|
//! \em Past-the-end element iterator
|
||
|
|
/*! \pre IsArray() == true */
|
||
|
|
ValueIterator End() { RAPIDJSON_ASSERT(IsArray()); return GetElementsPointer() + data_.a.size; }
|
||
|
|
//! Constant element iterator
|
||
|
|
/*! \pre IsArray() == true */
|
||
|
|
ConstValueIterator Begin() const { return const_cast<GenericValue&>(*this).Begin(); }
|
||
|
|
//! Constant \em past-the-end element iterator
|
||
|
|
/*! \pre IsArray() == true */
|
||
|
|
ConstValueIterator End() const { return const_cast<GenericValue&>(*this).End(); }
|
||
|
|
|
||
|
|
//! Request the array to have enough capacity to store elements.
|
||
|
|
/*! \param newCapacity The capacity that the array at least need to have.
|
||
|
|
\param allocator Allocator for reallocating memory. It must be the same one as used before. Commonly use GenericDocument::GetAllocator().
|
||
|
|
\return The value itself for fluent API.
|
||
|
|
\note Linear time complexity.
|
||
|
|
*/
|
||
|
|
GenericValue& Reserve(SizeType newCapacity, Allocator &allocator) {
|
||
|
|
RAPIDJSON_ASSERT(IsArray());
|
||
|
|
if (newCapacity > data_.a.capacity) {
|
||
|
|
SetElementsPointer(reinterpret_cast<GenericValue*>(allocator.Realloc(GetElementsPointer(), data_.a.capacity * sizeof(GenericValue), newCapacity * sizeof(GenericValue))));
|
||
|
|
data_.a.capacity = newCapacity;
|
||
|
|
}
|
||
|
|
return *this;
|
||
|
|
}
|
||
|
|
|
||
|
|
//! Append a GenericValue at the end of the array.
|
||
|
|
/*! \param value Value to be appended.
|
||
|
|
\param allocator Allocator for reallocating memory. It must be the same one as used before. Commonly use GenericDocument::GetAllocator().
|
||
|
|
\pre IsArray() == true
|
||
|
|
\post value.IsNull() == true
|
||
|
|
\return The value itself for fluent API.
|
||
|
|
\note The ownership of \c value will be transferred to this array on success.
|
||
|
|
\note If the number of elements to be appended is known, calls Reserve() once first may be more efficient.
|
||
|
|
\note Amortized constant time complexity.
|
||
|
|
*/
|
||
|
|
GenericValue& PushBack(GenericValue& value, Allocator& allocator) {
|
||
|
|
RAPIDJSON_ASSERT(IsArray());
|
||
|
|
if (data_.a.size >= data_.a.capacity)
|
||
|
|
Reserve(data_.a.capacity == 0 ? kDefaultArrayCapacity : (data_.a.capacity + (data_.a.capacity + 1) / 2), allocator);
|
||
|
|
GetElementsPointer()[data_.a.size++].RawAssign(value);
|
||
|
|
return *this;
|
||
|
|
}
|
||
|
|
|
||
|
|
#if RAPIDJSON_HAS_CXX11_RVALUE_REFS
|
||
|
|
GenericValue& PushBack(GenericValue&& value, Allocator& allocator) {
|
||
|
|
return PushBack(value, allocator);
|
||
|
|
}
|
||
|
|
#endif // RAPIDJSON_HAS_CXX11_RVALUE_REFS
|
||
|
|
|
||
|
|
//! Append a constant string reference at the end of the array.
|
||
|
|
/*! \param value Constant string reference to be appended.
|
||
|
|
\param allocator Allocator for reallocating memory. It must be the same one used previously. Commonly use GenericDocument::GetAllocator().
|
||
|
|
\pre IsArray() == true
|
||
|
|
\return The value itself for fluent API.
|
||
|
|
\note If the number of elements to be appended is known, calls Reserve() once first may be more efficient.
|
||
|
|
\note Amortized constant time complexity.
|
||
|
|
\see GenericStringRef
|
||
|
|
*/
|
||
|
|
GenericValue& PushBack(StringRefType value, Allocator& allocator) {
|
||
|
|
return (*this).template PushBack<StringRefType>(value, allocator);
|
||
|
|
}
|
||
|
|
|
||
|
|
//! Append a primitive value at the end of the array.
|
||
|
|
/*! \tparam T Either \ref Type, \c int, \c unsigned, \c int64_t, \c uint64_t
|
||
|
|
\param value Value of primitive type T to be appended.
|
||
|
|
\param allocator Allocator for reallocating memory. It must be the same one as used before. Commonly use GenericDocument::GetAllocator().
|
||
|
|
\pre IsArray() == true
|
||
|
|
\return The value itself for fluent API.
|
||
|
|
\note If the number of elements to be appended is known, calls Reserve() once first may be more efficient.
|
||
|
|
|
||
|
|
\note The source type \c T explicitly disallows all pointer types,
|
||
|
|
especially (\c const) \ref Ch*. This helps avoiding implicitly
|
||
|
|
referencing character strings with insufficient lifetime, use
|
||
|
|
\ref PushBack(GenericValue&, Allocator&) or \ref
|
||
|
|
PushBack(StringRefType, Allocator&).
|
||
|
|
All other pointer types would implicitly convert to \c bool,
|
||
|
|
use an explicit cast instead, if needed.
|
||
|
|
\note Amortized constant time complexity.
|
||
|
|
*/
|
||
|
|
template <typename T>
|
||
|
|
RAPIDJSON_DISABLEIF_RETURN((internal::OrExpr<internal::IsPointer<T>, internal::IsGenericValue<T> >), (GenericValue&))
|
||
|
|
PushBack(T value, Allocator& allocator) {
|
||
|
|
GenericValue v(value);
|
||
|
|
return PushBack(v, allocator);
|
||
|
|
}
|
||
|
|
|
||
|
|
//! Remove the last element in the array.
|
||
|
|
/*!
|
||
|
|
\note Constant time complexity.
|
||
|
|
*/
|
||
|
|
GenericValue& PopBack() {
|
||
|
|
RAPIDJSON_ASSERT(IsArray());
|
||
|
|
RAPIDJSON_ASSERT(!Empty());
|
||
|
|
GetElementsPointer()[--data_.a.size].~GenericValue();
|
||
|
|
return *this;
|
||
|
|
}
|
||
|
|
|
||
|
|
//! Remove an element of array by iterator.
|
||
|
|
/*!
|
||
|
|
\param pos iterator to the element to remove
|
||
|
|
\pre IsArray() == true && \ref Begin() <= \c pos < \ref End()
|
||
|
|
\return Iterator following the removed element. If the iterator pos refers to the last element, the End() iterator is returned.
|
||
|
|
\note Linear time complexity.
|
||
|
|
*/
|
||
|
|
ValueIterator Erase(ConstValueIterator pos) {
|
||
|
|
return Erase(pos, pos + 1);
|
||
|
|
}
|
||
|
|
|
||
|
|
//! Remove elements in the range [first, last) of the array.
|
||
|
|
/*!
|
||
|
|
\param first iterator to the first element to remove
|
||
|
|
\param last iterator following the last element to remove
|
||
|
|
\pre IsArray() == true && \ref Begin() <= \c first <= \c last <= \ref End()
|
||
|
|
\return Iterator following the last removed element.
|
||
|
|
\note Linear time complexity.
|
||
|
|
*/
|
||
|
|
ValueIterator Erase(ConstValueIterator first, ConstValueIterator last) {
|
||
|
|
RAPIDJSON_ASSERT(IsArray());
|
||
|
|
RAPIDJSON_ASSERT(data_.a.size > 0);
|
||
|
|
RAPIDJSON_ASSERT(GetElementsPointer() != 0);
|
||
|
|
RAPIDJSON_ASSERT(first >= Begin());
|
||
|
|
RAPIDJSON_ASSERT(first <= last);
|
||
|
|
RAPIDJSON_ASSERT(last <= End());
|
||
|
|
ValueIterator pos = Begin() + (first - Begin());
|
||
|
|
for (ValueIterator itr = pos; itr != last; ++itr)
|
||
|
|
itr->~GenericValue();
|
||
|
|
std::memmove(static_cast<void*>(pos), last, static_cast<size_t>(End() - last) * sizeof(GenericValue));
|
||
|
|
data_.a.size -= static_cast<SizeType>(last - first);
|
||
|
|
return pos;
|
||
|
|
}
|
||
|
|
|
||
|
|
Array GetArray() { RAPIDJSON_ASSERT(IsArray()); return Array(*this); }
|
||
|
|
ConstArray GetArray() const { RAPIDJSON_ASSERT(IsArray()); return ConstArray(*this); }
|
||
|
|
|
||
|
|
//@}
|
||
|
|
|
||
|
|
//!@name Number
|
||
|
|
//@{
|
||
|
|
|
||
|
|
int GetInt() const { RAPIDJSON_ASSERT(data_.f.flags & kIntFlag); return data_.n.i.i; }
|
||
|
|
unsigned GetUint() const { RAPIDJSON_ASSERT(data_.f.flags & kUintFlag); return data_.n.u.u; }
|
||
|
|
int64_t GetInt64() const { RAPIDJSON_ASSERT(data_.f.flags & kInt64Flag); return data_.n.i64; }
|
||
|
|
uint64_t GetUint64() const { RAPIDJSON_ASSERT(data_.f.flags & kUint64Flag); return data_.n.u64; }
|
||
|
|
|
||
|
|
//! Get the value as double type.
|
||
|
|
/*! \note If the value is 64-bit integer type, it may lose precision. Use \c IsLosslessDouble() to check whether the converison is lossless.
|
||
|
|
*/
|
||
|
|
double GetDouble() const {
|
||
|
|
RAPIDJSON_ASSERT(IsNumber());
|
||
|
|
if ((data_.f.flags & kDoubleFlag) != 0) return data_.n.d; // exact type, no conversion.
|
||
|
|
if ((data_.f.flags & kIntFlag) != 0) return data_.n.i.i; // int -> double
|
||
|
|
if ((data_.f.flags & kUintFlag) != 0) return data_.n.u.u; // unsigned -> double
|
||
|
|
if ((data_.f.flags & kInt64Flag) != 0) return static_cast<double>(data_.n.i64); // int64_t -> double (may lose precision)
|
||
|
|
RAPIDJSON_ASSERT((data_.f.flags & kUint64Flag) != 0); return static_cast<double>(data_.n.u64); // uint64_t -> double (may lose precision)
|
||
|
|
}
|
||
|
|
|
||
|
|
//! Get the value as float type.
|
||
|
|
/*! \note If the value is 64-bit integer type, it may lose precision. Use \c IsLosslessFloat() to check whether the converison is lossless.
|
||
|
|
*/
|
||
|
|
float GetFloat() const {
|
||
|
|
return static_cast<float>(GetDouble());
|
||
|
|
}
|
||
|
|
|
||
|
|
GenericValue& SetInt(int i) { this->~GenericValue(); new (this) GenericValue(i); return *this; }
|
||
|
|
GenericValue& SetUint(unsigned u) { this->~GenericValue(); new (this) GenericValue(u); return *this; }
|
||
|
|
GenericValue& SetInt64(int64_t i64) { this->~GenericValue(); new (this) GenericValue(i64); return *this; }
|
||
|
|
GenericValue& SetUint64(uint64_t u64) { this->~GenericValue(); new (this) GenericValue(u64); return *this; }
|
||
|
|
GenericValue& SetDouble(double d) { this->~GenericValue(); new (this) GenericValue(d); return *this; }
|
||
|
|
GenericValue& SetFloat(float f) { this->~GenericValue(); new (this) GenericValue(static_cast<double>(f)); return *this; }
|
||
|
|
|
||
|
|
//@}
|
||
|
|
|
||
|
|
//!@name String
|
||
|
|
//@{
|
||
|
|
|
||
|
|
const Ch* GetString() const { RAPIDJSON_ASSERT(IsString()); return (data_.f.flags & kInlineStrFlag) ? data_.ss.str : GetStringPointer(); }
|
||
|
|
|
||
|
|
//! Get the length of string.
|
||
|
|
/*! Since rapidjson permits "\\u0000" in the json string, strlen(v.GetString()) may not equal to v.GetStringLength().
|
||
|
|
*/
|
||
|
|
SizeType GetStringLength() const { RAPIDJSON_ASSERT(IsString()); return ((data_.f.flags & kInlineStrFlag) ? (data_.ss.GetLength()) : data_.s.length); }
|
||
|
|
|
||
|
|
//! Set this value as a string without copying source string.
|
||
|
|
/*! This version has better performance with supplied length, and also support string containing null character.
|
||
|
|
\param s source string pointer.
|
||
|
|
\param length The length of source string, excluding the trailing null terminator.
|
||
|
|
\return The value itself for fluent API.
|
||
|
|
\post IsString() == true && GetString() == s && GetStringLength() == length
|
||
|
|
\see SetString(StringRefType)
|
||
|
|
*/
|
||
|
|
GenericValue& SetString(const Ch* s, SizeType length) { return SetString(StringRef(s, length)); }
|
||
|
|
|
||
|
|
//! Set this value as a string without copying source string.
|
||
|
|
/*! \param s source string reference
|
||
|
|
\return The value itself for fluent API.
|
||
|
|
\post IsString() == true && GetString() == s && GetStringLength() == s.length
|
||
|
|
*/
|
||
|
|
GenericValue& SetString(StringRefType s) { this->~GenericValue(); SetStringRaw(s); return *this; }
|
||
|
|
|
||
|
|
//! Set this value as a string by copying from source string.
|
||
|
|
/*! This version has better performance with supplied length, and also support string containing null character.
|
||
|
|
\param s source string.
|
||
|
|
\param length The length of source string, excluding the trailing null terminator.
|
||
|
|
\param allocator Allocator for allocating copied buffer. Commonly use GenericDocument::GetAllocator().
|
||
|
|
\return The value itself for fluent API.
|
||
|
|
\post IsString() == true && GetString() != s && strcmp(GetString(),s) == 0 && GetStringLength() == length
|
||
|
|
*/
|
||
|
|
GenericValue& SetString(const Ch* s, SizeType length, Allocator& allocator) { return SetString(StringRef(s, length), allocator); }
|
||
|
|
|
||
|
|
//! Set this value as a string by copying from source string.
|
||
|
|
/*! \param s source string.
|
||
|
|
\param allocator Allocator for allocating copied buffer. Commonly use GenericDocument::GetAllocator().
|
||
|
|
\return The value itself for fluent API.
|
||
|
|
\post IsString() == true && GetString() != s && strcmp(GetString(),s) == 0 && GetStringLength() == length
|
||
|
|
*/
|
||
|
|
GenericValue& SetString(const Ch* s, Allocator& allocator) { return SetString(StringRef(s), allocator); }
|
||
|
|
|
||
|
|
//! Set this value as a string by copying from source string.
|
||
|
|
/*! \param s source string reference
|
||
|
|
\param allocator Allocator for allocating copied buffer. Commonly use GenericDocument::GetAllocator().
|
||
|
|
\return The value itself for fluent API.
|
||
|
|
\post IsString() == true && GetString() != s.s && strcmp(GetString(),s) == 0 && GetStringLength() == length
|
||
|
|
*/
|
||
|
|
GenericValue& SetString(StringRefType s, Allocator& allocator) { this->~GenericValue(); SetStringRaw(s, allocator); return *this; }
|
||
|
|
|
||
|
|
#if RAPIDJSON_HAS_STDSTRING
|
||
|
|
//! Set this value as a string by copying from source string.
|
||
|
|
/*! \param s source string.
|
||
|
|
\param allocator Allocator for allocating copied buffer. Commonly use GenericDocument::GetAllocator().
|
||
|
|
\return The value itself for fluent API.
|
||
|
|
\post IsString() == true && GetString() != s.data() && strcmp(GetString(),s.data() == 0 && GetStringLength() == s.size()
|
||
|
|
\note Requires the definition of the preprocessor symbol \ref RAPIDJSON_HAS_STDSTRING.
|
||
|
|
*/
|
||
|
|
GenericValue& SetString(const std::basic_string<Ch>& s, Allocator& allocator) { return SetString(StringRef(s), allocator); }
|
||
|
|
#endif
|
||
|
|
|
||
|
|
//@}
|
||
|
|
|
||
|
|
//!@name Array
|
||
|
|
//@{
|
||
|
|
|
||
|
|
//! Templated version for checking whether this value is type T.
|
||
|
|
/*!
|
||
|
|
\tparam T Either \c bool, \c int, \c unsigned, \c int64_t, \c uint64_t, \c double, \c float, \c const \c char*, \c std::basic_string<Ch>
|
||
|
|
*/
|
||
|
|
template <typename T>
|
||
|
|
bool Is() const { return internal::TypeHelper<ValueType, T>::Is(*this); }
|
||
|
|
|
||
|
|
template <typename T>
|
||
|
|
T Get() const { return internal::TypeHelper<ValueType, T>::Get(*this); }
|
||
|
|
|
||
|
|
template <typename T>
|
||
|
|
T Get() { return internal::TypeHelper<ValueType, T>::Get(*this); }
|
||
|
|
|
||
|
|
template<typename T>
|
||
|
|
ValueType& Set(const T& data) { return internal::TypeHelper<ValueType, T>::Set(*this, data); }
|
||
|
|
|
||
|
|
template<typename T>
|
||
|
|
ValueType& Set(const T& data, AllocatorType& allocator) { return internal::TypeHelper<ValueType, T>::Set(*this, data, allocator); }
|
||
|
|
|
||
|
|
//@}
|
||
|
|
|
||
|
|
//! Generate events of this value to a Handler.
|
||
|
|
/*! This function adopts the GoF visitor pattern.
|
||
|
|
Typical usage is to output this JSON value as JSON text via Writer, which is a Handler.
|
||
|
|
It can also be used to deep clone this value via GenericDocument, which is also a Handler.
|
||
|
|
\tparam Handler type of handler.
|
||
|
|
\param handler An object implementing concept Handler.
|
||
|
|
*/
|
||
|
|
template <typename Handler>
|
||
|
|
bool Accept(Handler& handler) const {
|
||
|
|
switch(GetType()) {
|
||
|
|
case kNullType: return handler.Null();
|
||
|
|
case kFalseType: return handler.Bool(false);
|
||
|
|
case kTrueType: return handler.Bool(true);
|
||
|
|
|
||
|
|
case kObjectType:
|
||
|
|
if (RAPIDJSON_UNLIKELY(!handler.StartObject()))
|
||
|
|
return false;
|
||
|
|
for (ConstMemberIterator m = MemberBegin(); m != MemberEnd(); ++m) {
|
||
|
|
RAPIDJSON_ASSERT(m->name.IsString()); // User may change the type of name by MemberIterator.
|
||
|
|
if (RAPIDJSON_UNLIKELY(!handler.Key(m->name.GetString(), m->name.GetStringLength(), (m->name.data_.f.flags & kCopyFlag) != 0)))
|
||
|
|
return false;
|
||
|
|
if (RAPIDJSON_UNLIKELY(!m->value.Accept(handler)))
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
return handler.EndObject(data_.o.size);
|
||
|
|
|
||
|
|
case kArrayType:
|
||
|
|
if (RAPIDJSON_UNLIKELY(!handler.StartArray()))
|
||
|
|
return false;
|
||
|
|
for (const GenericValue* v = Begin(); v != End(); ++v)
|
||
|
|
if (RAPIDJSON_UNLIKELY(!v->Accept(handler)))
|
||
|
|
return false;
|
||
|
|
return handler.EndArray(data_.a.size);
|
||
|
|
|
||
|
|
case kStringType:
|
||
|
|
return handler.String(GetString(), GetStringLength(), (data_.f.flags & kCopyFlag) != 0);
|
||
|
|
|
||
|
|
default:
|
||
|
|
RAPIDJSON_ASSERT(GetType() == kNumberType);
|
||
|
|
if (IsDouble()) return handler.Double(data_.n.d);
|
||
|
|
else if (IsInt()) return handler.Int(data_.n.i.i);
|
||
|
|
else if (IsUint()) return handler.Uint(data_.n.u.u);
|
||
|
|
else if (IsInt64()) return handler.Int64(data_.n.i64);
|
||
|
|
else return handler.Uint64(data_.n.u64);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private:
|
||
|
|
template <typename, typename> friend class GenericValue;
|
||
|
|
template <typename, typename, typename> friend class GenericDocument;
|
||
|
|
|
||
|
|
enum {
|
||
|
|
kBoolFlag = 0x0008,
|
||
|
|
kNumberFlag = 0x0010,
|
||
|
|
kIntFlag = 0x0020,
|
||
|
|
kUintFlag = 0x0040,
|
||
|
|
kInt64Flag = 0x0080,
|
||
|
|
kUint64Flag = 0x0100,
|
||
|
|
kDoubleFlag = 0x0200,
|
||
|
|
kStringFlag = 0x0400,
|
||
|
|
kCopyFlag = 0x0800,
|
||
|
|
kInlineStrFlag = 0x1000,
|
||
|
|
|
||
|
|
// Initial flags of different types.
|
||
|
|
kNullFlag = kNullType,
|
||
|
|
kTrueFlag = kTrueType | kBoolFlag,
|
||
|
|
kFalseFlag = kFalseType | kBoolFlag,
|
||
|
|
kNumberIntFlag = kNumberType | kNumberFlag | kIntFlag | kInt64Flag,
|
||
|
|
kNumberUintFlag = kNumberType | kNumberFlag | kUintFlag | kUint64Flag | kInt64Flag,
|
||
|
|
kNumberInt64Flag = kNumberType | kNumberFlag | kInt64Flag,
|
||
|
|
kNumberUint64Flag = kNumberType | kNumberFlag | kUint64Flag,
|
||
|
|
kNumberDoubleFlag = kNumberType | kNumberFlag | kDoubleFlag,
|
||
|
|
kNumberAnyFlag = kNumberType | kNumberFlag | kIntFlag | kInt64Flag | kUintFlag | kUint64Flag | kDoubleFlag,
|
||
|
|
kConstStringFlag = kStringType | kStringFlag,
|
||
|
|
kCopyStringFlag = kStringType | kStringFlag | kCopyFlag,
|
||
|
|
kShortStringFlag = kStringType | kStringFlag | kCopyFlag | kInlineStrFlag,
|
||
|
|
kObjectFlag = kObjectType,
|
||
|
|
kArrayFlag = kArrayType,
|
||
|
|
|
||
|
|
kTypeMask = 0x07
|
||
|
|
};
|
||
|
|
|
||
|
|
static const SizeType kDefaultArrayCapacity = 16;
|
||
|
|
static const SizeType kDefaultObjectCapacity = 16;
|
||
|
|
|
||
|
|
struct Flag {
|
||
|
|
#if RAPIDJSON_48BITPOINTER_OPTIMIZATION
|
||
|
|
char payload[sizeof(SizeType) * 2 + 6]; // 2 x SizeType + lower 48-bit pointer
|
||
|
|
#elif RAPIDJSON_64BIT
|
||
|
|
char payload[sizeof(SizeType) * 2 + sizeof(void*) + 6]; // 6 padding bytes
|
||
|
|
#else
|
||
|
|
char payload[sizeof(SizeType) * 2 + sizeof(void*) + 2]; // 2 padding bytes
|
||
|
|
#endif
|
||
|
|
uint16_t flags;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct String {
|
||
|
|
SizeType length;
|
||
|
|
SizeType hashcode; //!< reserved
|
||
|
|
const Ch* str;
|
||
|
|
}; // 12 bytes in 32-bit mode, 16 bytes in 64-bit mode
|
||
|
|
|
||
|
|
// implementation detail: ShortString can represent zero-terminated strings up to MaxSize chars
|
||
|
|
// (excluding the terminating zero) and store a value to determine the length of the contained
|
||
|
|
// string in the last character str[LenPos] by storing "MaxSize - length" there. If the string
|
||
|
|
// to store has the maximal length of MaxSize then str[LenPos] will be 0 and therefore act as
|
||
|
|
// the string terminator as well. For getting the string length back from that value just use
|
||
|
|
// "MaxSize - str[LenPos]".
|
||
|
|
// This allows to store 13-chars strings in 32-bit mode, 21-chars strings in 64-bit mode,
|
||
|
|
// 13-chars strings for RAPIDJSON_48BITPOINTER_OPTIMIZATION=1 inline (for `UTF8`-encoded strings).
|
||
|
|
struct ShortString {
|
||
|
|
enum { MaxChars = sizeof(static_cast<Flag*>(0)->payload) / sizeof(Ch), MaxSize = MaxChars - 1, LenPos = MaxSize };
|
||
|
|
Ch str[MaxChars];
|
||
|
|
|
||
|
|
inline static bool Usable(SizeType len) { return (MaxSize >= len); }
|
||
|
|
inline void SetLength(SizeType len) { str[LenPos] = static_cast<Ch>(MaxSize - len); }
|
||
|
|
inline SizeType GetLength() const { return static_cast<SizeType>(MaxSize - str[LenPos]); }
|
||
|
|
}; // at most as many bytes as "String" above => 12 bytes in 32-bit mode, 16 bytes in 64-bit mode
|
||
|
|
|
||
|
|
// By using proper binary layout, retrieval of different integer types do not need conversions.
|
||
|
|
union Number {
|
||
|
|
#if RAPIDJSON_ENDIAN == RAPIDJSON_LITTLEENDIAN
|
||
|
|
struct I {
|
||
|
|
int i;
|
||
|
|
char padding[4];
|
||
|
|
}i;
|
||
|
|
struct U {
|
||
|
|
unsigned u;
|
||
|
|
char padding2[4];
|
||
|
|
}u;
|
||
|
|
#else
|
||
|
|
struct I {
|
||
|
|
char padding[4];
|
||
|
|
int i;
|
||
|
|
}i;
|
||
|
|
struct U {
|
||
|
|
char padding2[4];
|
||
|
|
unsigned u;
|
||
|
|
}u;
|
||
|
|
#endif
|
||
|
|
int64_t i64;
|
||
|
|
uint64_t u64;
|
||
|
|
double d;
|
||
|
|
}; // 8 bytes
|
||
|
|
|
||
|
|
struct ObjectData {
|
||
|
|
SizeType size;
|
||
|
|
SizeType capacity;
|
||
|
|
Member* members;
|
||
|
|
}; // 12 bytes in 32-bit mode, 16 bytes in 64-bit mode
|
||
|
|
|
||
|
|
struct ArrayData {
|
||
|
|
SizeType size;
|
||
|
|
SizeType capacity;
|
||
|
|
GenericValue* elements;
|
||
|
|
}; // 12 bytes in 32-bit mode, 16 bytes in 64-bit mode
|
||
|
|
|
||
|
|
union Data {
|
||
|
|
String s;
|
||
|
|
ShortString ss;
|
||
|
|
Number n;
|
||
|
|
ObjectData o;
|
||
|
|
ArrayData a;
|
||
|
|
Flag f;
|
||
|
|
}; // 16 bytes in 32-bit mode, 24 bytes in 64-bit mode, 16 bytes in 64-bit with RAPIDJSON_48BITPOINTER_OPTIMIZATION
|
||
|
|
|
||
|
|
RAPIDJSON_FORCEINLINE const Ch* GetStringPointer() const { return RAPIDJSON_GETPOINTER(Ch, data_.s.str); }
|
||
|
|
RAPIDJSON_FORCEINLINE const Ch* SetStringPointer(const Ch* str) { return RAPIDJSON_SETPOINTER(Ch, data_.s.str, str); }
|
||
|
|
RAPIDJSON_FORCEINLINE GenericValue* GetElementsPointer() const { return RAPIDJSON_GETPOINTER(GenericValue, data_.a.elements); }
|
||
|
|
RAPIDJSON_FORCEINLINE GenericValue* SetElementsPointer(GenericValue* elements) { return RAPIDJSON_SETPOINTER(GenericValue, data_.a.elements, elements); }
|
||
|
|
RAPIDJSON_FORCEINLINE Member* GetMembersPointer() const { return RAPIDJSON_GETPOINTER(Member, data_.o.members); }
|
||
|
|
RAPIDJSON_FORCEINLINE Member* SetMembersPointer(Member* members) { return RAPIDJSON_SETPOINTER(Member, data_.o.members, members); }
|
||
|
|
|
||
|
|
// Initialize this value as array with initial data, without calling destructor.
|
||
|
|
void SetArrayRaw(GenericValue* values, SizeType count, Allocator& allocator) {
|
||
|
|
data_.f.flags = kArrayFlag;
|
||
|
|
if (count) {
|
||
|
|
GenericValue* e = static_cast<GenericValue*>(allocator.Malloc(count * sizeof(GenericValue)));
|
||
|
|
SetElementsPointer(e);
|
||
|
|
std::memcpy(static_cast<void*>(e), values, count * sizeof(GenericValue));
|
||
|
|
}
|
||
|
|
else
|
||
|
|
SetElementsPointer(0);
|
||
|
|
data_.a.size = data_.a.capacity = count;
|
||
|
|
}
|
||
|
|
|
||
|
|
//! Initialize this value as object with initial data, without calling destructor.
|
||
|
|
void SetObjectRaw(Member* members, SizeType count, Allocator& allocator) {
|
||
|
|
data_.f.flags = kObjectFlag;
|
||
|
|
if (count) {
|
||
|
|
Member* m = static_cast<Member*>(allocator.Malloc(count * sizeof(Member)));
|
||
|
|
SetMembersPointer(m);
|
||
|
|
std::memcpy(static_cast<void*>(m), members, count * sizeof(Member));
|
||
|
|
}
|
||
|
|
else
|
||
|
|
SetMembersPointer(0);
|
||
|
|
data_.o.size = data_.o.capacity = count;
|
||
|
|
}
|
||
|
|
|
||
|
|
//! Initialize this value as constant string, without calling destructor.
|
||
|
|
void SetStringRaw(StringRefType s) RAPIDJSON_NOEXCEPT {
|
||
|
|
data_.f.flags = kConstStringFlag;
|
||
|
|
SetStringPointer(s);
|
||
|
|
data_.s.length = s.length;
|
||
|
|
}
|
||
|
|
|
||
|
|
//! Initialize this value as copy string with initial data, without calling destructor.
|
||
|
|
void SetStringRaw(StringRefType s, Allocator& allocator) {
|
||
|
|
Ch* str = 0;
|
||
|
|
if (ShortString::Usable(s.length)) {
|
||
|
|
data_.f.flags = kShortStringFlag;
|
||
|
|
data_.ss.SetLength(s.length);
|
||
|
|
str = data_.ss.str;
|
||
|
|
} else {
|
||
|
|
data_.f.flags = kCopyStringFlag;
|
||
|
|
data_.s.length = s.length;
|
||
|
|
str = static_cast<Ch *>(allocator.Malloc((s.length + 1) * sizeof(Ch)));
|
||
|
|
SetStringPointer(str);
|
||
|
|
}
|
||
|
|
std::memcpy(str, s, s.length * sizeof(Ch));
|
||
|
|
str[s.length] = '\0';
|
||
|
|
}
|
||
|
|
|
||
|
|
//! Assignment without calling destructor
|
||
|
|
void RawAssign(GenericValue& rhs) RAPIDJSON_NOEXCEPT {
|
||
|
|
data_ = rhs.data_;
|
||
|
|
// data_.f.flags = rhs.data_.f.flags;
|
||
|
|
rhs.data_.f.flags = kNullFlag;
|
||
|
|
}
|
||
|
|
|
||
|
|
template <typename SourceAllocator>
|
||
|
|
bool StringEqual(const GenericValue<Encoding, SourceAllocator>& rhs) const {
|
||
|
|
RAPIDJSON_ASSERT(IsString());
|
||
|
|
RAPIDJSON_ASSERT(rhs.IsString());
|
||
|
|
|
||
|
|
const SizeType len1 = GetStringLength();
|
||
|
|
const SizeType len2 = rhs.GetStringLength();
|
||
|
|
if(len1 != len2) { return false; }
|
||
|
|
|
||
|
|
const Ch* const str1 = GetString();
|
||
|
|
const Ch* const str2 = rhs.GetString();
|
||
|
|
if(str1 == str2) { return true; } // fast path for constant string
|
||
|
|
|
||
|
|
return (std::memcmp(str1, str2, sizeof(Ch) * len1) == 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
Data data_;
|
||
|
|
};
|
||
|
|
|
||
|
|
//! GenericValue with UTF8 encoding
|
||
|
|
typedef GenericValue<UTF8<> > Value;
|
||
|
|
|
||
|
|
///////////////////////////////////////////////////////////////////////////////
|
||
|
|
// GenericDocument
|
||
|
|
|
||
|
|
//! A document for parsing JSON text as DOM.
|
||
|
|
/*!
|
||
|
|
\note implements Handler concept
|
||
|
|
\tparam Encoding Encoding for both parsing and string storage.
|
||
|
|
\tparam Allocator Allocator for allocating memory for the DOM
|
||
|
|
\tparam StackAllocator Allocator for allocating memory for stack during parsing.
|
||
|
|
\warning Although GenericDocument inherits from GenericValue, the API does \b not provide any virtual functions, especially no virtual destructor. To avoid memory leaks, do not \c delete a GenericDocument object via a pointer to a GenericValue.
|
||
|
|
*/
|
||
|
|
template <typename Encoding, typename Allocator = MemoryPoolAllocator<>, typename StackAllocator = CrtAllocator>
|
||
|
|
class GenericDocument : public GenericValue<Encoding, Allocator> {
|
||
|
|
public:
|
||
|
|
typedef typename Encoding::Ch Ch; //!< Character type derived from Encoding.
|
||
|
|
typedef GenericValue<Encoding, Allocator> ValueType; //!< Value type of the document.
|
||
|
|
typedef Allocator AllocatorType; //!< Allocator type from template parameter.
|
||
|
|
|
||
|
|
//! Constructor
|
||
|
|
/*! Creates an empty document of specified type.
|
||
|
|
\param type Mandatory type of object to create.
|
||
|
|
\param allocator Optional allocator for allocating memory.
|
||
|
|
\param stackCapacity Optional initial capacity of stack in bytes.
|
||
|
|
\param stackAllocator Optional allocator for allocating memory for stack.
|
||
|
|
*/
|
||
|
|
explicit GenericDocument(Type type, Allocator* allocator = 0, size_t stackCapacity = kDefaultStackCapacity, StackAllocator* stackAllocator = 0) :
|
||
|
|
GenericValue<Encoding, Allocator>(type), allocator_(allocator), ownAllocator_(0), stack_(stackAllocator, stackCapacity), parseResult_()
|
||
|
|
{
|
||
|
|
if (!allocator_)
|
||
|
|
ownAllocator_ = allocator_ = RAPIDJSON_NEW(Allocator)();
|
||
|
|
}
|
||
|
|
|
||
|
|
//! Constructor
|
||
|
|
/*! Creates an empty document which type is Null.
|
||
|
|
\param allocator Optional allocator for allocating memory.
|
||
|
|
\param stackCapacity Optional initial capacity of stack in bytes.
|
||
|
|
\param stackAllocator Optional allocator for allocating memory for stack.
|
||
|
|
*/
|
||
|
|
GenericDocument(Allocator* allocator = 0, size_t stackCapacity = kDefaultStackCapacity, StackAllocator* stackAllocator = 0) :
|
||
|
|
allocator_(allocator), ownAllocator_(0), stack_(stackAllocator, stackCapacity), parseResult_()
|
||
|
|
{
|
||
|
|
if (!allocator_)
|
||
|
|
ownAllocator_ = allocator_ = RAPIDJSON_NEW(Allocator)();
|
||
|
|
}
|
||
|
|
|
||
|
|
#if RAPIDJSON_HAS_CXX11_RVALUE_REFS
|
||
|
|
//! Move constructor in C++11
|
||
|
|
GenericDocument(GenericDocument&& rhs) RAPIDJSON_NOEXCEPT
|
||
|
|
: ValueType(std::forward<ValueType>(rhs)), // explicit cast to avoid prohibited move from Document
|
||
|
|
allocator_(rhs.allocator_),
|
||
|
|
ownAllocator_(rhs.ownAllocator_),
|
||
|
|
stack_(std::move(rhs.stack_)),
|
||
|
|
parseResult_(rhs.parseResult_)
|
||
|
|
{
|
||
|
|
rhs.allocator_ = 0;
|
||
|
|
rhs.ownAllocator_ = 0;
|
||
|
|
rhs.parseResult_ = ParseResult();
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
~GenericDocument() {
|
||
|
|
Destroy();
|
||
|
|
}
|
||
|
|
|
||
|
|
#if RAPIDJSON_HAS_CXX11_RVALUE_REFS
|
||
|
|
//! Move assignment in C++11
|
||
|
|
GenericDocument& operator=(GenericDocument&& rhs) RAPIDJSON_NOEXCEPT
|
||
|
|
{
|
||
|
|
// The cast to ValueType is necessary here, because otherwise it would
|
||
|
|
// attempt to call GenericValue's templated assignment operator.
|
||
|
|
ValueType::operator=(std::forward<ValueType>(rhs));
|
||
|
|
|
||
|
|
// Calling the destructor here would prematurely call stack_'s destructor
|
||
|
|
Destroy();
|
||
|
|
|
||
|
|
allocator_ = rhs.allocator_;
|
||
|
|
ownAllocator_ = rhs.ownAllocator_;
|
||
|
|
stack_ = std::move(rhs.stack_);
|
||
|
|
parseResult_ = rhs.parseResult_;
|
||
|
|
|
||
|
|
rhs.allocator_ = 0;
|
||
|
|
rhs.ownAllocator_ = 0;
|
||
|
|
rhs.parseResult_ = ParseResult();
|
||
|
|
|
||
|
|
return *this;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
//! Exchange the contents of this document with those of another.
|
||
|
|
/*!
|
||
|
|
\param rhs Another document.
|
||
|
|
\note Constant complexity.
|
||
|
|
\see GenericValue::Swap
|
||
|
|
*/
|
||
|
|
GenericDocument& Swap(GenericDocument& rhs) RAPIDJSON_NOEXCEPT {
|
||
|
|
ValueType::Swap(rhs);
|
||
|
|
stack_.Swap(rhs.stack_);
|
||
|
|
internal::Swap(allocator_, rhs.allocator_);
|
||
|
|
internal::Swap(ownAllocator_, rhs.ownAllocator_);
|
||
|
|
internal::Swap(parseResult_, rhs.parseResult_);
|
||
|
|
return *this;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Allow Swap with ValueType.
|
||
|
|
// Refer to Effective C++ 3rd Edition/Item 33: Avoid hiding inherited names.
|
||
|
|
using ValueType::Swap;
|
||
|
|
|
||
|
|
//! free-standing swap function helper
|
||
|
|
/*!
|
||
|
|
Helper function to enable support for common swap implementation pattern based on \c std::swap:
|
||
|
|
\code
|
||
|
|
void swap(MyClass& a, MyClass& b) {
|
||
|
|
using std::swap;
|
||
|
|
swap(a.doc, b.doc);
|
||
|
|
// ...
|
||
|
|
}
|
||
|
|
\endcode
|
||
|
|
\see Swap()
|
||
|
|
*/
|
||
|
|
friend inline void swap(GenericDocument& a, GenericDocument& b) RAPIDJSON_NOEXCEPT { a.Swap(b); }
|
||
|
|
|
||
|
|
//! Populate this document by a generator which produces SAX events.
|
||
|
|
/*! \tparam Generator A functor with <tt>bool f(Handler)</tt> prototype.
|
||
|
|
\param g Generator functor which sends SAX events to the parameter.
|
||
|
|
\return The document itself for fluent API.
|
||
|
|
*/
|
||
|
|
template <typename Generator>
|
||
|
|
GenericDocument& Populate(Generator& g) {
|
||
|
|
ClearStackOnExit scope(*this);
|
||
|
|
if (g(*this)) {
|
||
|
|
RAPIDJSON_ASSERT(stack_.GetSize() == sizeof(ValueType)); // Got one and only one root object
|
||
|
|
ValueType::operator=(*stack_.template Pop<ValueType>(1));// Move value from stack to document
|
||
|
|
}
|
||
|
|
return *this;
|
||
|
|
}
|
||
|
|
|
||
|
|
//!@name Parse from stream
|
||
|
|
//!@{
|
||
|
|
|
||
|
|
//! Parse JSON text from an input stream (with Encoding conversion)
|
||
|
|
/*! \tparam parseFlags Combination of \ref ParseFlag.
|
||
|
|
\tparam SourceEncoding Encoding of input stream
|
||
|
|
\tparam InputStream Type of input stream, implementing Stream concept
|
||
|
|
\param is Input stream to be parsed.
|
||
|
|
\return The document itself for fluent API.
|
||
|
|
*/
|
||
|
|
template <unsigned parseFlags, typename SourceEncoding, typename InputStream>
|
||
|
|
GenericDocument& ParseStream(InputStream& is) {
|
||
|
|
GenericReader<SourceEncoding, Encoding, StackAllocator> reader(
|
||
|
|
stack_.HasAllocator() ? &stack_.GetAllocator() : 0);
|
||
|
|
ClearStackOnExit scope(*this);
|
||
|
|
parseResult_ = reader.template Parse<parseFlags>(is, *this);
|
||
|
|
if (parseResult_) {
|
||
|
|
RAPIDJSON_ASSERT(stack_.GetSize() == sizeof(ValueType)); // Got one and only one root object
|
||
|
|
ValueType::operator=(*stack_.template Pop<ValueType>(1));// Move value from stack to document
|
||
|
|
}
|
||
|
|
return *this;
|
||
|
|
}
|
||
|
|
|
||
|
|
//! Parse JSON text from an input stream
|
||
|
|
/*! \tparam parseFlags Combination of \ref ParseFlag.
|
||
|
|
\tparam InputStream Type of input stream, implementing Stream concept
|
||
|
|
\param is Input stream to be parsed.
|
||
|
|
\return The document itself for fluent API.
|
||
|
|
*/
|
||
|
|
template <unsigned parseFlags, typename InputStream>
|
||
|
|
GenericDocument& ParseStream(InputStream& is) {
|
||
|
|
return ParseStream<parseFlags, Encoding, InputStream>(is);
|
||
|
|
}
|
||
|
|
|
||
|
|
//! Parse JSON text from an input stream (with \ref kParseDefaultFlags)
|
||
|
|
/*! \tparam InputStream Type of input stream, implementing Stream concept
|
||
|
|
\param is Input stream to be parsed.
|
||
|
|
\return The document itself for fluent API.
|
||
|
|
*/
|
||
|
|
template <typename InputStream>
|
||
|
|
GenericDocument& ParseStream(InputStream& is) {
|
||
|
|
return ParseStream<kParseDefaultFlags, Encoding, InputStream>(is);
|
||
|
|
}
|
||
|
|
//!@}
|
||
|
|
|
||
|
|
//!@name Parse in-place from mutable string
|
||
|
|
//!@{
|
||
|
|
|
||
|
|
//! Parse JSON text from a mutable string
|
||
|
|
/*! \tparam parseFlags Combination of \ref ParseFlag.
|
||
|
|
\param str Mutable zero-terminated string to be parsed.
|
||
|
|
\return The document itself for fluent API.
|
||
|
|
*/
|
||
|
|
template <unsigned parseFlags>
|
||
|
|
GenericDocument& ParseInsitu(Ch* str) {
|
||
|
|
GenericInsituStringStream<Encoding> s(str);
|
||
|
|
return ParseStream<parseFlags | kParseInsituFlag>(s);
|
||
|
|
}
|
||
|
|
|
||
|
|
//! Parse JSON text from a mutable string (with \ref kParseDefaultFlags)
|
||
|
|
/*! \param str Mutable zero-terminated string to be parsed.
|
||
|
|
\return The document itself for fluent API.
|
||
|
|
*/
|
||
|
|
GenericDocument& ParseInsitu(Ch* str) {
|
||
|
|
return ParseInsitu<kParseDefaultFlags>(str);
|
||
|
|
}
|
||
|
|
//!@}
|
||
|
|
|
||
|
|
//!@name Parse from read-only string
|
||
|
|
//!@{
|
||
|
|
|
||
|
|
//! Parse JSON text from a read-only string (with Encoding conversion)
|
||
|
|
/*! \tparam parseFlags Combination of \ref ParseFlag (must not contain \ref kParseInsituFlag).
|
||
|
|
\tparam SourceEncoding Transcoding from input Encoding
|
||
|
|
\param str Read-only zero-terminated string to be parsed.
|
||
|
|
*/
|
||
|
|
template <unsigned parseFlags, typename SourceEncoding>
|
||
|
|
GenericDocument& Parse(const typename SourceEncoding::Ch* str) {
|
||
|
|
RAPIDJSON_ASSERT(!(parseFlags & kParseInsituFlag));
|
||
|
|
GenericStringStream<SourceEncoding> s(str);
|
||
|
|
return ParseStream<parseFlags, SourceEncoding>(s);
|
||
|
|
}
|
||
|
|
|
||
|
|
//! Parse JSON text from a read-only string
|
||
|
|
/*! \tparam parseFlags Combination of \ref ParseFlag (must not contain \ref kParseInsituFlag).
|
||
|
|
\param str Read-only zero-terminated string to be parsed.
|
||
|
|
*/
|
||
|
|
template <unsigned parseFlags>
|
||
|
|
GenericDocument& Parse(const Ch* str) {
|
||
|
|
return Parse<parseFlags, Encoding>(str);
|
||
|
|
}
|
||
|
|
|
||
|
|
//! Parse JSON text from a read-only string (with \ref kParseDefaultFlags)
|
||
|
|
/*! \param str Read-only zero-terminated string to be parsed.
|
||
|
|
*/
|
||
|
|
GenericDocument& Parse(const Ch* str) {
|
||
|
|
return Parse<kParseDefaultFlags>(str);
|
||
|
|
}
|
||
|
|
|
||
|
|
template <unsigned parseFlags, typename SourceEncoding>
|
||
|
|
GenericDocument& Parse(const typename SourceEncoding::Ch* str, size_t length) {
|
||
|
|
RAPIDJSON_ASSERT(!(parseFlags & kParseInsituFlag));
|
||
|
|
MemoryStream ms(reinterpret_cast<const char*>(str), length * sizeof(typename SourceEncoding::Ch));
|
||
|
|
EncodedInputStream<SourceEncoding, MemoryStream> is(ms);
|
||
|
|
ParseStream<parseFlags, SourceEncoding>(is);
|
||
|
|
return *this;
|
||
|
|
}
|
||
|
|
|
||
|
|
template <unsigned parseFlags>
|
||
|
|
GenericDocument& Parse(const Ch* str, size_t length) {
|
||
|
|
return Parse<parseFlags, Encoding>(str, length);
|
||
|
|
}
|
||
|
|
|
||
|
|
GenericDocument& Parse(const Ch* str, size_t length) {
|
||
|
|
return Parse<kParseDefaultFlags>(str, length);
|
||
|
|
}
|
||
|
|
|
||
|
|
#if RAPIDJSON_HAS_STDSTRING
|
||
|
|
template <unsigned parseFlags, typename SourceEncoding>
|
||
|
|
GenericDocument& Parse(const std::basic_string<typename SourceEncoding::Ch>& str) {
|
||
|
|
// c_str() is constant complexity according to standard. Should be faster than Parse(const char*, size_t)
|
||
|
|
return Parse<parseFlags, SourceEncoding>(str.c_str());
|
||
|
|
}
|
||
|
|
|
||
|
|
template <unsigned parseFlags>
|
||
|
|
GenericDocument& Parse(const std::basic_string<Ch>& str) {
|
||
|
|
return Parse<parseFlags, Encoding>(str.c_str());
|
||
|
|
}
|
||
|
|
|
||
|
|
GenericDocument& Parse(const std::basic_string<Ch>& str) {
|
||
|
|
return Parse<kParseDefaultFlags>(str);
|
||
|
|
}
|
||
|
|
#endif // RAPIDJSON_HAS_STDSTRING
|
||
|
|
|
||
|
|
//!@}
|
||
|
|
|
||
|
|
//!@name Handling parse errors
|
||
|
|
//!@{
|
||
|
|
|
||
|
|
//! Whether a parse error has occurred in the last parsing.
|
||
|
|
bool HasParseError() const { return parseResult_.IsError(); }
|
||
|
|
|
||
|
|
//! Get the \ref ParseErrorCode of last parsing.
|
||
|
|
ParseErrorCode GetParseError() const { return parseResult_.Code(); }
|
||
|
|
|
||
|
|
//! Get the position of last parsing error in input, 0 otherwise.
|
||
|
|
size_t GetErrorOffset() const { return parseResult_.Offset(); }
|
||
|
|
|
||
|
|
//! Implicit conversion to get the last parse result
|
||
|
|
#ifndef __clang // -Wdocumentation
|
||
|
|
/*! \return \ref ParseResult of the last parse operation
|
||
|
|
|
||
|
|
\code
|
||
|
|
Document doc;
|
||
|
|
ParseResult ok = doc.Parse(json);
|
||
|
|
if (!ok)
|
||
|
|
printf( "JSON parse error: %s (%u)\n", GetParseError_En(ok.Code()), ok.Offset());
|
||
|
|
\endcode
|
||
|
|
*/
|
||
|
|
#endif
|
||
|
|
operator ParseResult() const { return parseResult_; }
|
||
|
|
//!@}
|
||
|
|
|
||
|
|
//! Get the allocator of this document.
|
||
|
|
Allocator& GetAllocator() {
|
||
|
|
RAPIDJSON_ASSERT(allocator_);
|
||
|
|
return *allocator_;
|
||
|
|
}
|
||
|
|
|
||
|
|
//! Get the capacity of stack in bytes.
|
||
|
|
size_t GetStackCapacity() const { return stack_.GetCapacity(); }
|
||
|
|
|
||
|
|
private:
|
||
|
|
// clear stack on any exit from ParseStream, e.g. due to exception
|
||
|
|
struct ClearStackOnExit {
|
||
|
|
explicit ClearStackOnExit(GenericDocument& d) : d_(d) {}
|
||
|
|
~ClearStackOnExit() { d_.ClearStack(); }
|
||
|
|
private:
|
||
|
|
ClearStackOnExit(const ClearStackOnExit&);
|
||
|
|
ClearStackOnExit& operator=(const ClearStackOnExit&);
|
||
|
|
GenericDocument& d_;
|
||
|
|
};
|
||
|
|
|
||
|
|
// callers of the following private Handler functions
|
||
|
|
// template <typename,typename,typename> friend class GenericReader; // for parsing
|
||
|
|
template <typename, typename> friend class GenericValue; // for deep copying
|
||
|
|
|
||
|
|
public:
|
||
|
|
// Implementation of Handler
|
||
|
|
bool Null() { new (stack_.template Push<ValueType>()) ValueType(); return true; }
|
||
|
|
bool Bool(bool b) { new (stack_.template Push<ValueType>()) ValueType(b); return true; }
|
||
|
|
bool Int(int i) { new (stack_.template Push<ValueType>()) ValueType(i); return true; }
|
||
|
|
bool Uint(unsigned i) { new (stack_.template Push<ValueType>()) ValueType(i); return true; }
|
||
|
|
bool Int64(int64_t i) { new (stack_.template Push<ValueType>()) ValueType(i); return true; }
|
||
|
|
bool Uint64(uint64_t i) { new (stack_.template Push<ValueType>()) ValueType(i); return true; }
|
||
|
|
bool Double(double d) { new (stack_.template Push<ValueType>()) ValueType(d); return true; }
|
||
|
|
|
||
|
|
bool RawNumber(const Ch* str, SizeType length, bool copy) {
|
||
|
|
if (copy)
|
||
|
|
new (stack_.template Push<ValueType>()) ValueType(str, length, GetAllocator());
|
||
|
|
else
|
||
|
|
new (stack_.template Push<ValueType>()) ValueType(str, length);
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
bool String(const Ch* str, SizeType length, bool copy) {
|
||
|
|
if (copy)
|
||
|
|
new (stack_.template Push<ValueType>()) ValueType(str, length, GetAllocator());
|
||
|
|
else
|
||
|
|
new (stack_.template Push<ValueType>()) ValueType(str, length);
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
bool StartObject() { new (stack_.template Push<ValueType>()) ValueType(kObjectType); return true; }
|
||
|
|
|
||
|
|
bool Key(const Ch* str, SizeType length, bool copy) { return String(str, length, copy); }
|
||
|
|
|
||
|
|
bool EndObject(SizeType memberCount) {
|
||
|
|
typename ValueType::Member* members = stack_.template Pop<typename ValueType::Member>(memberCount);
|
||
|
|
stack_.template Top<ValueType>()->SetObjectRaw(members, memberCount, GetAllocator());
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
bool StartArray() { new (stack_.template Push<ValueType>()) ValueType(kArrayType); return true; }
|
||
|
|
|
||
|
|
bool EndArray(SizeType elementCount) {
|
||
|
|
ValueType* elements = stack_.template Pop<ValueType>(elementCount);
|
||
|
|
stack_.template Top<ValueType>()->SetArrayRaw(elements, elementCount, GetAllocator());
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
private:
|
||
|
|
//! Prohibit copying
|
||
|
|
GenericDocument(const GenericDocument&);
|
||
|
|
//! Prohibit assignment
|
||
|
|
GenericDocument& operator=(const GenericDocument&);
|
||
|
|
|
||
|
|
void ClearStack() {
|
||
|
|
if (Allocator::kNeedFree)
|
||
|
|
while (stack_.GetSize() > 0) // Here assumes all elements in stack array are GenericValue (Member is actually 2 GenericValue objects)
|
||
|
|
(stack_.template Pop<ValueType>(1))->~ValueType();
|
||
|
|
else
|
||
|
|
stack_.Clear();
|
||
|
|
stack_.ShrinkToFit();
|
||
|
|
}
|
||
|
|
|
||
|
|
void Destroy() {
|
||
|
|
RAPIDJSON_DELETE(ownAllocator_);
|
||
|
|
}
|
||
|
|
|
||
|
|
static const size_t kDefaultStackCapacity = 1024;
|
||
|
|
Allocator* allocator_;
|
||
|
|
Allocator* ownAllocator_;
|
||
|
|
internal::Stack<StackAllocator> stack_;
|
||
|
|
ParseResult parseResult_;
|
||
|
|
};
|
||
|
|
|
||
|
|
//! GenericDocument with UTF8 encoding
|
||
|
|
typedef GenericDocument<UTF8<> > Document;
|
||
|
|
|
||
|
|
//! Helper class for accessing Value of array type.
|
||
|
|
/*!
|
||
|
|
Instance of this helper class is obtained by \c GenericValue::GetArray().
|
||
|
|
In addition to all APIs for array type, it provides range-based for loop if \c RAPIDJSON_HAS_CXX11_RANGE_FOR=1.
|
||
|
|
*/
|
||
|
|
template <bool Const, typename ValueT>
|
||
|
|
class GenericArray {
|
||
|
|
public:
|
||
|
|
typedef GenericArray<true, ValueT> ConstArray;
|
||
|
|
typedef GenericArray<false, ValueT> Array;
|
||
|
|
typedef ValueT PlainType;
|
||
|
|
typedef typename internal::MaybeAddConst<Const,PlainType>::Type ValueType;
|
||
|
|
typedef ValueType* ValueIterator; // This may be const or non-const iterator
|
||
|
|
typedef const ValueT* ConstValueIterator;
|
||
|
|
typedef typename ValueType::AllocatorType AllocatorType;
|
||
|
|
typedef typename ValueType::StringRefType StringRefType;
|
||
|
|
|
||
|
|
template <typename, typename>
|
||
|
|
friend class GenericValue;
|
||
|
|
|
||
|
|
GenericArray(const GenericArray& rhs) : value_(rhs.value_) {}
|
||
|
|
GenericArray& operator=(const GenericArray& rhs) { value_ = rhs.value_; return *this; }
|
||
|
|
~GenericArray() {}
|
||
|
|
|
||
|
|
SizeType Size() const { return value_.Size(); }
|
||
|
|
SizeType Capacity() const { return value_.Capacity(); }
|
||
|
|
bool Empty() const { return value_.Empty(); }
|
||
|
|
void Clear() const { value_.Clear(); }
|
||
|
|
ValueType& operator[](SizeType index) const { return value_[index]; }
|
||
|
|
ValueIterator Begin() const { return value_.Begin(); }
|
||
|
|
ValueIterator End() const { return value_.End(); }
|
||
|
|
GenericArray Reserve(SizeType newCapacity, AllocatorType &allocator) const { value_.Reserve(newCapacity, allocator); return *this; }
|
||
|
|
GenericArray PushBack(ValueType& value, AllocatorType& allocator) const { value_.PushBack(value, allocator); return *this; }
|
||
|
|
#if RAPIDJSON_HAS_CXX11_RVALUE_REFS
|
||
|
|
GenericArray PushBack(ValueType&& value, AllocatorType& allocator) const { value_.PushBack(value, allocator); return *this; }
|
||
|
|
#endif // RAPIDJSON_HAS_CXX11_RVALUE_REFS
|
||
|
|
GenericArray PushBack(StringRefType value, AllocatorType& allocator) const { value_.PushBack(value, allocator); return *this; }
|
||
|
|
template <typename T> RAPIDJSON_DISABLEIF_RETURN((internal::OrExpr<internal::IsPointer<T>, internal::IsGenericValue<T> >), (const GenericArray&)) PushBack(T value, AllocatorType& allocator) const { value_.PushBack(value, allocator); return *this; }
|
||
|
|
GenericArray PopBack() const { value_.PopBack(); return *this; }
|
||
|
|
ValueIterator Erase(ConstValueIterator pos) const { return value_.Erase(pos); }
|
||
|
|
ValueIterator Erase(ConstValueIterator first, ConstValueIterator last) const { return value_.Erase(first, last); }
|
||
|
|
|
||
|
|
#if RAPIDJSON_HAS_CXX11_RANGE_FOR
|
||
|
|
ValueIterator begin() const { return value_.Begin(); }
|
||
|
|
ValueIterator end() const { return value_.End(); }
|
||
|
|
#endif
|
||
|
|
|
||
|
|
private:
|
||
|
|
GenericArray();
|
||
|
|
GenericArray(ValueType& value) : value_(value) {}
|
||
|
|
ValueType& value_;
|
||
|
|
};
|
||
|
|
|
||
|
|
//! Helper class for accessing Value of object type.
|
||
|
|
/*!
|
||
|
|
Instance of this helper class is obtained by \c GenericValue::GetObject().
|
||
|
|
In addition to all APIs for array type, it provides range-based for loop if \c RAPIDJSON_HAS_CXX11_RANGE_FOR=1.
|
||
|
|
*/
|
||
|
|
template <bool Const, typename ValueT>
|
||
|
|
class GenericObject {
|
||
|
|
public:
|
||
|
|
typedef GenericObject<true, ValueT> ConstObject;
|
||
|
|
typedef GenericObject<false, ValueT> Object;
|
||
|
|
typedef ValueT PlainType;
|
||
|
|
typedef typename internal::MaybeAddConst<Const,PlainType>::Type ValueType;
|
||
|
|
typedef GenericMemberIterator<Const, typename ValueT::EncodingType, typename ValueT::AllocatorType> MemberIterator; // This may be const or non-const iterator
|
||
|
|
typedef GenericMemberIterator<true, typename ValueT::EncodingType, typename ValueT::AllocatorType> ConstMemberIterator;
|
||
|
|
typedef typename ValueType::AllocatorType AllocatorType;
|
||
|
|
typedef typename ValueType::StringRefType StringRefType;
|
||
|
|
typedef typename ValueType::EncodingType EncodingType;
|
||
|
|
typedef typename ValueType::Ch Ch;
|
||
|
|
|
||
|
|
template <typename, typename>
|
||
|
|
friend class GenericValue;
|
||
|
|
|
||
|
|
GenericObject(const GenericObject& rhs) : value_(rhs.value_) {}
|
||
|
|
GenericObject& operator=(const GenericObject& rhs) { value_ = rhs.value_; return *this; }
|
||
|
|
~GenericObject() {}
|
||
|
|
|
||
|
|
SizeType MemberCount() const { return value_.MemberCount(); }
|
||
|
|
SizeType MemberCapacity() const { return value_.MemberCapacity(); }
|
||
|
|
bool ObjectEmpty() const { return value_.ObjectEmpty(); }
|
||
|
|
template <typename T> ValueType& operator[](T* name) const { return value_[name]; }
|
||
|
|
template <typename SourceAllocator> ValueType& operator[](const GenericValue<EncodingType, SourceAllocator>& name) const { return value_[name]; }
|
||
|
|
#if RAPIDJSON_HAS_STDSTRING
|
||
|
|
ValueType& operator[](const std::basic_string<Ch>& name) const { return value_[name]; }
|
||
|
|
#endif
|
||
|
|
MemberIterator MemberBegin() const { return value_.MemberBegin(); }
|
||
|
|
MemberIterator MemberEnd() const { return value_.MemberEnd(); }
|
||
|
|
GenericObject MemberReserve(SizeType newCapacity, AllocatorType &allocator) const { value_.MemberReserve(newCapacity, allocator); return *this; }
|
||
|
|
bool HasMember(const Ch* name) const { return value_.HasMember(name); }
|
||
|
|
#if RAPIDJSON_HAS_STDSTRING
|
||
|
|
bool HasMember(const std::basic_string<Ch>& name) const { return value_.HasMember(name); }
|
||
|
|
#endif
|
||
|
|
template <typename SourceAllocator> bool HasMember(const GenericValue<EncodingType, SourceAllocator>& name) const { return value_.HasMember(name); }
|
||
|
|
MemberIterator FindMember(const Ch* name) const { return value_.FindMember(name); }
|
||
|
|
template <typename SourceAllocator> MemberIterator FindMember(const GenericValue<EncodingType, SourceAllocator>& name) const { return value_.FindMember(name); }
|
||
|
|
#if RAPIDJSON_HAS_STDSTRING
|
||
|
|
MemberIterator FindMember(const std::basic_string<Ch>& name) const { return value_.FindMember(name); }
|
||
|
|
#endif
|
||
|
|
GenericObject AddMember(ValueType& name, ValueType& value, AllocatorType& allocator) const { value_.AddMember(name, value, allocator); return *this; }
|
||
|
|
GenericObject AddMember(ValueType& name, StringRefType value, AllocatorType& allocator) const { value_.AddMember(name, value, allocator); return *this; }
|
||
|
|
#if RAPIDJSON_HAS_STDSTRING
|
||
|
|
GenericObject AddMember(ValueType& name, std::basic_string<Ch>& value, AllocatorType& allocator) const { value_.AddMember(name, value, allocator); return *this; }
|
||
|
|
#endif
|
||
|
|
template <typename T> RAPIDJSON_DISABLEIF_RETURN((internal::OrExpr<internal::IsPointer<T>, internal::IsGenericValue<T> >), (ValueType&)) AddMember(ValueType& name, T value, AllocatorType& allocator) const { value_.AddMember(name, value, allocator); return *this; }
|
||
|
|
#if RAPIDJSON_HAS_CXX11_RVALUE_REFS
|
||
|
|
GenericObject AddMember(ValueType&& name, ValueType&& value, AllocatorType& allocator) const { value_.AddMember(name, value, allocator); return *this; }
|
||
|
|
GenericObject AddMember(ValueType&& name, ValueType& value, AllocatorType& allocator) const { value_.AddMember(name, value, allocator); return *this; }
|
||
|
|
GenericObject AddMember(ValueType& name, ValueType&& value, AllocatorType& allocator) const { value_.AddMember(name, value, allocator); return *this; }
|
||
|
|
GenericObject AddMember(StringRefType name, ValueType&& value, AllocatorType& allocator) const { value_.AddMember(name, value, allocator); return *this; }
|
||
|
|
#endif // RAPIDJSON_HAS_CXX11_RVALUE_REFS
|
||
|
|
GenericObject AddMember(StringRefType name, ValueType& value, AllocatorType& allocator) const { value_.AddMember(name, value, allocator); return *this; }
|
||
|
|
GenericObject AddMember(StringRefType name, StringRefType value, AllocatorType& allocator) const { value_.AddMember(name, value, allocator); return *this; }
|
||
|
|
template <typename T> RAPIDJSON_DISABLEIF_RETURN((internal::OrExpr<internal::IsPointer<T>, internal::IsGenericValue<T> >), (GenericObject)) AddMember(StringRefType name, T value, AllocatorType& allocator) const { value_.AddMember(name, value, allocator); return *this; }
|
||
|
|
void RemoveAllMembers() { value_.RemoveAllMembers(); }
|
||
|
|
bool RemoveMember(const Ch* name) const { return value_.RemoveMember(name); }
|
||
|
|
#if RAPIDJSON_HAS_STDSTRING
|
||
|
|
bool RemoveMember(const std::basic_string<Ch>& name) const { return value_.RemoveMember(name); }
|
||
|
|
#endif
|
||
|
|
template <typename SourceAllocator> bool RemoveMember(const GenericValue<EncodingType, SourceAllocator>& name) const { return value_.RemoveMember(name); }
|
||
|
|
MemberIterator RemoveMember(MemberIterator m) const { return value_.RemoveMember(m); }
|
||
|
|
MemberIterator EraseMember(ConstMemberIterator pos) const { return value_.EraseMember(pos); }
|
||
|
|
MemberIterator EraseMember(ConstMemberIterator first, ConstMemberIterator last) const { return value_.EraseMember(first, last); }
|
||
|
|
bool EraseMember(const Ch* name) const { return value_.EraseMember(name); }
|
||
|
|
#if RAPIDJSON_HAS_STDSTRING
|
||
|
|
bool EraseMember(const std::basic_string<Ch>& name) const { return EraseMember(ValueType(StringRef(name))); }
|
||
|
|
#endif
|
||
|
|
template <typename SourceAllocator> bool EraseMember(const GenericValue<EncodingType, SourceAllocator>& name) const { return value_.EraseMember(name); }
|
||
|
|
|
||
|
|
#if RAPIDJSON_HAS_CXX11_RANGE_FOR
|
||
|
|
MemberIterator begin() const { return value_.MemberBegin(); }
|
||
|
|
MemberIterator end() const { return value_.MemberEnd(); }
|
||
|
|
#endif
|
||
|
|
|
||
|
|
private:
|
||
|
|
GenericObject();
|
||
|
|
GenericObject(ValueType& value) : value_(value) {}
|
||
|
|
ValueType& value_;
|
||
|
|
};
|
||
|
|
|
||
|
|
RAPIDJSON_NAMESPACE_END
|
||
|
|
RAPIDJSON_DIAG_POP
|
||
|
|
|
||
|
|
#endif // RAPIDJSON_DOCUMENT_H_
|