diff options
Diffstat (limited to 'contrib/rapidjson/include/rapidjson/document.h')
| -rw-r--r-- | contrib/rapidjson/include/rapidjson/document.h | 446 |
1 files changed, 376 insertions, 70 deletions
diff --git a/contrib/rapidjson/include/rapidjson/document.h b/contrib/rapidjson/include/rapidjson/document.h index 028235ec6..f183749ad 100644 --- a/contrib/rapidjson/include/rapidjson/document.h +++ b/contrib/rapidjson/include/rapidjson/document.h @@ -42,12 +42,21 @@ RAPIDJSON_DIAG_OFF(4244) // conversion from kXxxFlags to 'uint16_t', possible lo RAPIDJSON_DIAG_OFF(effc++) #endif // __GNUC__ +#ifdef GetObject +// see https://github.com/Tencent/rapidjson/issues/1448 +// a former included windows.h might have defined a macro called GetObject, which affects +// GetObject defined here. This ensures the macro does not get applied +#pragma push_macro("GetObject") +#define RAPIDJSON_WINDOWS_GETOBJECT_WORKAROUND_APPLIED +#undef GetObject +#endif + #ifndef RAPIDJSON_NOMEMBERITERATORCLASS #include <iterator> // std::random_access_iterator_tag #endif -#if RAPIDJSON_HAS_CXX11_RVALUE_REFS -#include <utility> // std::move +#if RAPIDJSON_USE_MEMBERSMAP +#include <map> // std::multimap #endif RAPIDJSON_NAMESPACE_BEGIN @@ -66,7 +75,7 @@ class GenericDocument; User can define this to use CrtAllocator or MemoryPoolAllocator. */ #ifndef RAPIDJSON_DEFAULT_ALLOCATOR -#define RAPIDJSON_DEFAULT_ALLOCATOR MemoryPoolAllocator<CrtAllocator> +#define RAPIDJSON_DEFAULT_ALLOCATOR ::RAPIDJSON_NAMESPACE::MemoryPoolAllocator<::RAPIDJSON_NAMESPACE::CrtAllocator> #endif /*! \def RAPIDJSON_DEFAULT_STACK_ALLOCATOR @@ -76,7 +85,7 @@ class GenericDocument; User can define this to use CrtAllocator or MemoryPoolAllocator. */ #ifndef RAPIDJSON_DEFAULT_STACK_ALLOCATOR -#define RAPIDJSON_DEFAULT_STACK_ALLOCATOR CrtAllocator +#define RAPIDJSON_DEFAULT_STACK_ALLOCATOR ::RAPIDJSON_NAMESPACE::CrtAllocator #endif /*! \def RAPIDJSON_VALUE_DEFAULT_OBJECT_CAPACITY @@ -732,18 +741,8 @@ public: 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); - } + case kObjectType: + DoCopyMembers(rhs, allocator, copyConstStrings); break; case kArrayType: { SizeType count = rhs.data_.a.size; @@ -879,25 +878,30 @@ public: /*! Need to destruct elements of array, members of object, or copy-string. */ ~GenericValue() { - if (Allocator::kNeedFree) { // Shortcut by Allocator's trait + // With RAPIDJSON_USE_MEMBERSMAP, the maps need to be destroyed to release + // their Allocator if it's refcounted (e.g. MemoryPoolAllocator). + if (Allocator::kNeedFree || (RAPIDJSON_USE_MEMBERSMAP+0 && + internal::IsRefCounted<Allocator>::Value)) { switch(data_.f.flags) { case kArrayFlag: { GenericValue* e = GetElementsPointer(); for (GenericValue* v = e; v != e + data_.a.size; ++v) v->~GenericValue(); - Allocator::Free(e); + if (Allocator::kNeedFree) { // Shortcut by Allocator's trait + Allocator::Free(e); + } } break; case kObjectFlag: - for (MemberIterator m = MemberBegin(); m != MemberEnd(); ++m) - m->~Member(); - Allocator::Free(GetMembersPointer()); + DoFreeMembers(); break; case kCopyStringFlag: - Allocator::Free(const_cast<Ch*>(GetStringPointer())); + if (Allocator::kNeedFree) { // Shortcut by Allocator's trait + Allocator::Free(const_cast<Ch*>(GetStringPointer())); + } break; default: @@ -916,8 +920,13 @@ public: */ GenericValue& operator=(GenericValue& rhs) RAPIDJSON_NOEXCEPT { if (RAPIDJSON_LIKELY(this != &rhs)) { + // Can't destroy "this" before assigning "rhs", otherwise "rhs" + // could be used after free if it's an sub-Value of "this", + // hence the temporary danse. + GenericValue temp; + temp.RawAssign(rhs); this->~GenericValue(); - RawAssign(rhs); + RawAssign(temp); } return *this; } @@ -1024,7 +1033,7 @@ public: 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) + if (rhsMemberItr == rhs.MemberEnd() || (!(lhsMemberItr->value == rhsMemberItr->value))) return false; } return true; @@ -1033,7 +1042,7 @@ public: if (data_.a.size != rhs.data_.a.size) return false; for (SizeType i = 0; i < data_.a.size; i++) - if ((*this)[i] != rhs[i]) + if (!((*this)[i] == rhs[i])) return false; return true; @@ -1069,6 +1078,7 @@ public: */ template <typename T> RAPIDJSON_DISABLEIF_RETURN((internal::OrExpr<internal::IsPointer<T>,internal::IsGenericValue<T> >), (bool)) operator==(const T& rhs) const { return *this == GenericValue(rhs); } +#ifndef __cpp_impl_three_way_comparison //! Not-equal-to operator /*! \return !(*this == rhs) */ @@ -1093,6 +1103,7 @@ public: */ template <typename T> friend RAPIDJSON_DISABLEIF_RETURN((internal::IsGenericValue<T>), (bool)) operator!=(const T& lhs, const GenericValue& rhs) { return !(rhs == lhs); } //@} +#endif //!@name Type //@{ @@ -1219,13 +1230,28 @@ public: 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)]; +#if RAPIDJSON_HAS_CXX11 + // Use thread-local storage to prevent races between threads. + // Use static buffer and placement-new to prevent destruction, with + // alignas() to ensure proper alignment. + alignas(GenericValue) thread_local static char buffer[sizeof(GenericValue)]; + return *new (buffer) GenericValue(); +#elif defined(_MSC_VER) && _MSC_VER < 1900 + // There's no way to solve both thread locality and proper alignment + // simultaneously. + __declspec(thread) static char buffer[sizeof(GenericValue)]; return *new (buffer) GenericValue(); +#elif defined(__GNUC__) || defined(__clang__) + // This will generate -Wexit-time-destructors in clang, but that's + // better than having under-alignment. + __thread static GenericValue buffer; + return buffer; +#else + // Don't know what compiler this is, so don't know how to ensure + // thread-locality. + static GenericValue buffer; + return buffer; +#endif } } template <typename SourceAllocator> @@ -1258,10 +1284,7 @@ public: */ 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; - } + DoReserveMembers(newCapacity, allocator); return *this; } @@ -1335,11 +1358,7 @@ public: 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; + return DoFindMember(name); } template <typename SourceAllocator> ConstMemberIterator FindMember(const GenericValue<Encoding, SourceAllocator>& name) const { return const_cast<GenericValue&>(*this).FindMember(name); } @@ -1368,14 +1387,7 @@ public: 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++; + DoAddMember(name, value, allocator); return *this; } @@ -1509,9 +1521,7 @@ public: */ void RemoveAllMembers() { RAPIDJSON_ASSERT(IsObject()); - for (MemberIterator m = MemberBegin(); m != MemberEnd(); ++m) - m->~Member(); - data_.o.size = 0; + DoClearMembers(); } //! Remove a member in object by its name. @@ -1555,14 +1565,7 @@ public: 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; + return DoRemoveMember(m); } //! Remove a member from an object by iterator. @@ -1594,13 +1597,7 @@ public: 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; + return DoEraseMembers(first, last); } //! Erase a member in object by its name. @@ -1629,7 +1626,9 @@ public: } Object GetObject() { RAPIDJSON_ASSERT(IsObject()); return Object(*this); } + Object GetObj() { RAPIDJSON_ASSERT(IsObject()); return Object(*this); } ConstObject GetObject() const { RAPIDJSON_ASSERT(IsObject()); return ConstObject(*this); } + ConstObject GetObj() const { RAPIDJSON_ASSERT(IsObject()); return ConstObject(*this); } //@} @@ -1851,12 +1850,12 @@ public: //!@name String //@{ - const Ch* GetString() const { RAPIDJSON_ASSERT(IsString()); return (data_.f.flags & kInlineStrFlag) ? data_.ss.str : GetStringPointer(); } + const Ch* GetString() const { RAPIDJSON_ASSERT(IsString()); return DataString(data_); } //! 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); } + SizeType GetStringLength() const { RAPIDJSON_ASSERT(IsString()); return DataStringLength(data_); } //! 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. @@ -1967,7 +1966,7 @@ public: case kArrayType: if (RAPIDJSON_UNLIKELY(!handler.StartArray())) return false; - for (const GenericValue* v = Begin(); v != End(); ++v) + for (ConstValueIterator v = Begin(); v != End(); ++v) if (RAPIDJSON_UNLIKELY(!v->Accept(handler))) return false; return handler.EndArray(data_.a.size); @@ -2105,6 +2104,13 @@ private: Flag f; }; // 16 bytes in 32-bit mode, 24 bytes in 64-bit mode, 16 bytes in 64-bit with RAPIDJSON_48BITPOINTER_OPTIMIZATION + static RAPIDJSON_FORCEINLINE const Ch* DataString(const Data& data) { + return (data.f.flags & kInlineStrFlag) ? data.ss.str : RAPIDJSON_GETPOINTER(Ch, data.s.str); + } + static RAPIDJSON_FORCEINLINE SizeType DataStringLength(const Data& data) { + return (data.f.flags & kInlineStrFlag) ? data.ss.GetLength() : data.s.length; + } + 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); } @@ -2112,6 +2118,286 @@ private: 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); } +#if RAPIDJSON_USE_MEMBERSMAP + + struct MapTraits { + struct Less { + bool operator()(const Data& s1, const Data& s2) const { + SizeType n1 = DataStringLength(s1), n2 = DataStringLength(s2); + int cmp = std::memcmp(DataString(s1), DataString(s2), sizeof(Ch) * (n1 < n2 ? n1 : n2)); + return cmp < 0 || (cmp == 0 && n1 < n2); + } + }; + typedef std::pair<const Data, SizeType> Pair; + typedef std::multimap<Data, SizeType, Less, StdAllocator<Pair, Allocator> > Map; + typedef typename Map::iterator Iterator; + }; + typedef typename MapTraits::Map Map; + typedef typename MapTraits::Less MapLess; + typedef typename MapTraits::Pair MapPair; + typedef typename MapTraits::Iterator MapIterator; + + // + // Layout of the members' map/array, re(al)located according to the needed capacity: + // + // {Map*}<>{capacity}<>{Member[capacity]}<>{MapIterator[capacity]} + // + // (where <> stands for the RAPIDJSON_ALIGN-ment, if needed) + // + + static RAPIDJSON_FORCEINLINE size_t GetMapLayoutSize(SizeType capacity) { + return RAPIDJSON_ALIGN(sizeof(Map*)) + + RAPIDJSON_ALIGN(sizeof(SizeType)) + + RAPIDJSON_ALIGN(capacity * sizeof(Member)) + + capacity * sizeof(MapIterator); + } + + static RAPIDJSON_FORCEINLINE SizeType &GetMapCapacity(Map* &map) { + return *reinterpret_cast<SizeType*>(reinterpret_cast<uintptr_t>(&map) + + RAPIDJSON_ALIGN(sizeof(Map*))); + } + + static RAPIDJSON_FORCEINLINE Member* GetMapMembers(Map* &map) { + return reinterpret_cast<Member*>(reinterpret_cast<uintptr_t>(&map) + + RAPIDJSON_ALIGN(sizeof(Map*)) + + RAPIDJSON_ALIGN(sizeof(SizeType))); + } + + static RAPIDJSON_FORCEINLINE MapIterator* GetMapIterators(Map* &map) { + return reinterpret_cast<MapIterator*>(reinterpret_cast<uintptr_t>(&map) + + RAPIDJSON_ALIGN(sizeof(Map*)) + + RAPIDJSON_ALIGN(sizeof(SizeType)) + + RAPIDJSON_ALIGN(GetMapCapacity(map) * sizeof(Member))); + } + + static RAPIDJSON_FORCEINLINE Map* &GetMap(Member* members) { + RAPIDJSON_ASSERT(members != 0); + return *reinterpret_cast<Map**>(reinterpret_cast<uintptr_t>(members) - + RAPIDJSON_ALIGN(sizeof(SizeType)) - + RAPIDJSON_ALIGN(sizeof(Map*))); + } + + // Some compilers' debug mechanisms want all iterators to be destroyed, for their accounting.. + RAPIDJSON_FORCEINLINE MapIterator DropMapIterator(MapIterator& rhs) { +#if RAPIDJSON_HAS_CXX11 + MapIterator ret = std::move(rhs); +#else + MapIterator ret = rhs; +#endif + rhs.~MapIterator(); + return ret; + } + + Map* &DoReallocMap(Map** oldMap, SizeType newCapacity, Allocator& allocator) { + Map **newMap = static_cast<Map**>(allocator.Malloc(GetMapLayoutSize(newCapacity))); + GetMapCapacity(*newMap) = newCapacity; + if (!oldMap) { + *newMap = new (allocator.Malloc(sizeof(Map))) Map(MapLess(), allocator); + } + else { + *newMap = *oldMap; + size_t count = (*oldMap)->size(); + std::memcpy(static_cast<void*>(GetMapMembers(*newMap)), + static_cast<void*>(GetMapMembers(*oldMap)), + count * sizeof(Member)); + MapIterator *oldIt = GetMapIterators(*oldMap), + *newIt = GetMapIterators(*newMap); + while (count--) { + new (&newIt[count]) MapIterator(DropMapIterator(oldIt[count])); + } + Allocator::Free(oldMap); + } + return *newMap; + } + + RAPIDJSON_FORCEINLINE Member* DoAllocMembers(SizeType capacity, Allocator& allocator) { + return GetMapMembers(DoReallocMap(0, capacity, allocator)); + } + + void DoReserveMembers(SizeType newCapacity, Allocator& allocator) { + ObjectData& o = data_.o; + if (newCapacity > o.capacity) { + Member* oldMembers = GetMembersPointer(); + Map **oldMap = oldMembers ? &GetMap(oldMembers) : 0, + *&newMap = DoReallocMap(oldMap, newCapacity, allocator); + RAPIDJSON_SETPOINTER(Member, o.members, GetMapMembers(newMap)); + o.capacity = newCapacity; + } + } + + template <typename SourceAllocator> + MemberIterator DoFindMember(const GenericValue<Encoding, SourceAllocator>& name) { + if (Member* members = GetMembersPointer()) { + Map* &map = GetMap(members); + MapIterator mit = map->find(reinterpret_cast<const Data&>(name.data_)); + if (mit != map->end()) { + return MemberIterator(&members[mit->second]); + } + } + return MemberEnd(); + } + + void DoClearMembers() { + if (Member* members = GetMembersPointer()) { + Map* &map = GetMap(members); + MapIterator* mit = GetMapIterators(map); + for (SizeType i = 0; i < data_.o.size; i++) { + map->erase(DropMapIterator(mit[i])); + members[i].~Member(); + } + data_.o.size = 0; + } + } + + void DoFreeMembers() { + if (Member* members = GetMembersPointer()) { + GetMap(members)->~Map(); + for (SizeType i = 0; i < data_.o.size; i++) { + members[i].~Member(); + } + if (Allocator::kNeedFree) { // Shortcut by Allocator's trait + Map** map = &GetMap(members); + Allocator::Free(*map); + Allocator::Free(map); + } + } + } + +#else // !RAPIDJSON_USE_MEMBERSMAP + + RAPIDJSON_FORCEINLINE Member* DoAllocMembers(SizeType capacity, Allocator& allocator) { + return Malloc<Member>(allocator, capacity); + } + + void DoReserveMembers(SizeType newCapacity, Allocator& allocator) { + ObjectData& o = data_.o; + if (newCapacity > o.capacity) { + Member* newMembers = Realloc<Member>(allocator, GetMembersPointer(), o.capacity, newCapacity); + RAPIDJSON_SETPOINTER(Member, o.members, newMembers); + o.capacity = newCapacity; + } + } + + template <typename SourceAllocator> + MemberIterator DoFindMember(const GenericValue<Encoding, SourceAllocator>& name) { + MemberIterator member = MemberBegin(); + for ( ; member != MemberEnd(); ++member) + if (name.StringEqual(member->name)) + break; + return member; + } + + void DoClearMembers() { + for (MemberIterator m = MemberBegin(); m != MemberEnd(); ++m) + m->~Member(); + data_.o.size = 0; + } + + void DoFreeMembers() { + for (MemberIterator m = MemberBegin(); m != MemberEnd(); ++m) + m->~Member(); + Allocator::Free(GetMembersPointer()); + } + +#endif // !RAPIDJSON_USE_MEMBERSMAP + + void DoAddMember(GenericValue& name, GenericValue& value, Allocator& allocator) { + ObjectData& o = data_.o; + if (o.size >= o.capacity) + DoReserveMembers(o.capacity ? (o.capacity + (o.capacity + 1) / 2) : kDefaultObjectCapacity, allocator); + Member* members = GetMembersPointer(); + Member* m = members + o.size; + m->name.RawAssign(name); + m->value.RawAssign(value); +#if RAPIDJSON_USE_MEMBERSMAP + Map* &map = GetMap(members); + MapIterator* mit = GetMapIterators(map); + new (&mit[o.size]) MapIterator(map->insert(MapPair(m->name.data_, o.size))); +#endif + ++o.size; + } + + MemberIterator DoRemoveMember(MemberIterator m) { + ObjectData& o = data_.o; + Member* members = GetMembersPointer(); +#if RAPIDJSON_USE_MEMBERSMAP + Map* &map = GetMap(members); + MapIterator* mit = GetMapIterators(map); + SizeType mpos = static_cast<SizeType>(&*m - members); + map->erase(DropMapIterator(mit[mpos])); +#endif + MemberIterator last(members + (o.size - 1)); + if (o.size > 1 && m != last) { +#if RAPIDJSON_USE_MEMBERSMAP + new (&mit[mpos]) MapIterator(DropMapIterator(mit[&*last - members])); + mit[mpos]->second = mpos; +#endif + *m = *last; // Move the last one to this place + } + else { + m->~Member(); // Only one left, just destroy + } + --o.size; + return m; + } + + MemberIterator DoEraseMembers(ConstMemberIterator first, ConstMemberIterator last) { + ObjectData& o = data_.o; + MemberIterator beg = MemberBegin(), + pos = beg + (first - beg), + end = MemberEnd(); +#if RAPIDJSON_USE_MEMBERSMAP + Map* &map = GetMap(GetMembersPointer()); + MapIterator* mit = GetMapIterators(map); +#endif + for (MemberIterator itr = pos; itr != last; ++itr) { +#if RAPIDJSON_USE_MEMBERSMAP + map->erase(DropMapIterator(mit[itr - beg])); +#endif + itr->~Member(); + } +#if RAPIDJSON_USE_MEMBERSMAP + if (first != last) { + // Move remaining members/iterators + MemberIterator next = pos + (last - first); + for (MemberIterator itr = pos; next != end; ++itr, ++next) { + std::memcpy(static_cast<void*>(&*itr), &*next, sizeof(Member)); + SizeType mpos = static_cast<SizeType>(itr - beg); + new (&mit[mpos]) MapIterator(DropMapIterator(mit[next - beg])); + mit[mpos]->second = mpos; + } + } +#else + std::memmove(static_cast<void*>(&*pos), &*last, + static_cast<size_t>(end - last) * sizeof(Member)); +#endif + o.size -= static_cast<SizeType>(last - first); + return pos; + } + + template <typename SourceAllocator> + void DoCopyMembers(const GenericValue<Encoding,SourceAllocator>& rhs, Allocator& allocator, bool copyConstStrings) { + RAPIDJSON_ASSERT(rhs.GetType() == kObjectType); + + data_.f.flags = kObjectFlag; + SizeType count = rhs.data_.o.size; + Member* lm = DoAllocMembers(count, allocator); + const typename GenericValue<Encoding,SourceAllocator>::Member* rm = rhs.GetMembersPointer(); +#if RAPIDJSON_USE_MEMBERSMAP + Map* &map = GetMap(lm); + MapIterator* mit = GetMapIterators(map); +#endif + 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); +#if RAPIDJSON_USE_MEMBERSMAP + new (&mit[i]) MapIterator(map->insert(MapPair(lm[i].name.data_, i))); +#endif + } + data_.o.size = data_.o.capacity = count; + SetMembersPointer(lm); + } + // Initialize this value as array with initial data, without calling destructor. void SetArrayRaw(GenericValue* values, SizeType count, Allocator& allocator) { data_.f.flags = kArrayFlag; @@ -2129,9 +2415,16 @@ private: void SetObjectRaw(Member* members, SizeType count, Allocator& allocator) { data_.f.flags = kObjectFlag; if (count) { - Member* m = static_cast<Member*>(allocator.Malloc(count * sizeof(Member))); + Member* m = DoAllocMembers(count, allocator); SetMembersPointer(m); std::memcpy(static_cast<void*>(m), members, count * sizeof(Member)); +#if RAPIDJSON_USE_MEMBERSMAP + Map* &map = GetMap(m); + MapIterator* mit = GetMapIterators(map); + for (SizeType i = 0; i < count; i++) { + new (&mit[i]) MapIterator(map->insert(MapPair(m[i].name.data_, i))); + } +#endif } else SetMembersPointer(0); @@ -2208,6 +2501,7 @@ 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. + typedef StackAllocator StackAllocatorType; //!< StackAllocator type from template parameter. //! Constructor /*! Creates an empty document of specified type. @@ -2252,6 +2546,13 @@ public: #endif ~GenericDocument() { + // Clear the ::ValueType before ownAllocator is destroyed, ~ValueType() + // runs last and may access its elements or members which would be freed + // with an allocator like MemoryPoolAllocator (CrtAllocator does not + // free its data when destroyed, but MemoryPoolAllocator does). + if (ownAllocator_) { + ValueType::SetNull(); + } Destroy(); } @@ -2734,4 +3035,9 @@ private: RAPIDJSON_NAMESPACE_END RAPIDJSON_DIAG_POP +#ifdef RAPIDJSON_WINDOWS_GETOBJECT_WORKAROUND_APPLIED +#pragma pop_macro("GetObject") +#undef RAPIDJSON_WINDOWS_GETOBJECT_WORKAROUND_APPLIED +#endif + #endif // RAPIDJSON_DOCUMENT_H_ |