updated json (#5501)

fix https://github.com/Tencent/rapidjson/issues/1448

Co-authored-by: Kim Kulling <kimkulling@users.noreply.github.com>
kimkulling/remode_default_destructor_from_cppp^2
mosfet80 2024-04-07 21:24:57 +02:00 committed by GitHub
parent 1f920ee1fe
commit 4a3e0e46ac
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
17 changed files with 2615 additions and 473 deletions

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@ -16,6 +16,14 @@
#define RAPIDJSON_ALLOCATORS_H_
#include "rapidjson.h"
#include "internal/meta.h"
#include <memory>
#include <limits>
#if RAPIDJSON_HAS_CXX11
#include <type_traits>
#endif
RAPIDJSON_NAMESPACE_BEGIN
@ -89,7 +97,14 @@ public:
}
return RAPIDJSON_REALLOC(originalPtr, newSize);
}
static void Free(void *ptr) { RAPIDJSON_FREE(ptr); }
static void Free(void *ptr) RAPIDJSON_NOEXCEPT { RAPIDJSON_FREE(ptr); }
bool operator==(const CrtAllocator&) const RAPIDJSON_NOEXCEPT {
return true;
}
bool operator!=(const CrtAllocator&) const RAPIDJSON_NOEXCEPT {
return false;
}
};
///////////////////////////////////////////////////////////////////////////////
@ -113,16 +128,64 @@ public:
*/
template <typename BaseAllocator = CrtAllocator>
class MemoryPoolAllocator {
//! Chunk header for perpending to each chunk.
/*! Chunks are stored as a singly linked list.
*/
struct ChunkHeader {
size_t capacity; //!< Capacity of the chunk in bytes (excluding the header itself).
size_t size; //!< Current size of allocated memory in bytes.
ChunkHeader *next; //!< Next chunk in the linked list.
};
struct SharedData {
ChunkHeader *chunkHead; //!< Head of the chunk linked-list. Only the head chunk serves allocation.
BaseAllocator* ownBaseAllocator; //!< base allocator created by this object.
size_t refcount;
bool ownBuffer;
};
static const size_t SIZEOF_SHARED_DATA = RAPIDJSON_ALIGN(sizeof(SharedData));
static const size_t SIZEOF_CHUNK_HEADER = RAPIDJSON_ALIGN(sizeof(ChunkHeader));
static inline ChunkHeader *GetChunkHead(SharedData *shared)
{
return reinterpret_cast<ChunkHeader*>(reinterpret_cast<uint8_t*>(shared) + SIZEOF_SHARED_DATA);
}
static inline uint8_t *GetChunkBuffer(SharedData *shared)
{
return reinterpret_cast<uint8_t*>(shared->chunkHead) + SIZEOF_CHUNK_HEADER;
}
static const size_t kDefaultChunkCapacity = RAPIDJSON_ALLOCATOR_DEFAULT_CHUNK_CAPACITY; //!< Default chunk capacity.
public:
static const bool kNeedFree = false; //!< Tell users that no need to call Free() with this allocator. (concept Allocator)
static const bool kRefCounted = true; //!< Tell users that this allocator is reference counted on copy
//! Constructor with chunkSize.
/*! \param chunkSize The size of memory chunk. The default is kDefaultChunkSize.
\param baseAllocator The allocator for allocating memory chunks.
*/
explicit
MemoryPoolAllocator(size_t chunkSize = kDefaultChunkCapacity, BaseAllocator* baseAllocator = 0) :
chunkHead_(0), chunk_capacity_(chunkSize), userBuffer_(0), baseAllocator_(baseAllocator), ownBaseAllocator_(0)
chunk_capacity_(chunkSize),
baseAllocator_(baseAllocator ? baseAllocator : RAPIDJSON_NEW(BaseAllocator)()),
shared_(static_cast<SharedData*>(baseAllocator_ ? baseAllocator_->Malloc(SIZEOF_SHARED_DATA + SIZEOF_CHUNK_HEADER) : 0))
{
RAPIDJSON_ASSERT(baseAllocator_ != 0);
RAPIDJSON_ASSERT(shared_ != 0);
if (baseAllocator) {
shared_->ownBaseAllocator = 0;
}
else {
shared_->ownBaseAllocator = baseAllocator_;
}
shared_->chunkHead = GetChunkHead(shared_);
shared_->chunkHead->capacity = 0;
shared_->chunkHead->size = 0;
shared_->chunkHead->next = 0;
shared_->ownBuffer = true;
shared_->refcount = 1;
}
//! Constructor with user-supplied buffer.
@ -136,41 +199,101 @@ public:
\param baseAllocator The allocator for allocating memory chunks.
*/
MemoryPoolAllocator(void *buffer, size_t size, size_t chunkSize = kDefaultChunkCapacity, BaseAllocator* baseAllocator = 0) :
chunkHead_(0), chunk_capacity_(chunkSize), userBuffer_(buffer), baseAllocator_(baseAllocator), ownBaseAllocator_(0)
chunk_capacity_(chunkSize),
baseAllocator_(baseAllocator),
shared_(static_cast<SharedData*>(AlignBuffer(buffer, size)))
{
RAPIDJSON_ASSERT(buffer != 0);
RAPIDJSON_ASSERT(size > sizeof(ChunkHeader));
chunkHead_ = reinterpret_cast<ChunkHeader*>(buffer);
chunkHead_->capacity = size - sizeof(ChunkHeader);
chunkHead_->size = 0;
chunkHead_->next = 0;
RAPIDJSON_ASSERT(size >= SIZEOF_SHARED_DATA + SIZEOF_CHUNK_HEADER);
shared_->chunkHead = GetChunkHead(shared_);
shared_->chunkHead->capacity = size - SIZEOF_SHARED_DATA - SIZEOF_CHUNK_HEADER;
shared_->chunkHead->size = 0;
shared_->chunkHead->next = 0;
shared_->ownBaseAllocator = 0;
shared_->ownBuffer = false;
shared_->refcount = 1;
}
MemoryPoolAllocator(const MemoryPoolAllocator& rhs) RAPIDJSON_NOEXCEPT :
chunk_capacity_(rhs.chunk_capacity_),
baseAllocator_(rhs.baseAllocator_),
shared_(rhs.shared_)
{
RAPIDJSON_NOEXCEPT_ASSERT(shared_->refcount > 0);
++shared_->refcount;
}
MemoryPoolAllocator& operator=(const MemoryPoolAllocator& rhs) RAPIDJSON_NOEXCEPT
{
RAPIDJSON_NOEXCEPT_ASSERT(rhs.shared_->refcount > 0);
++rhs.shared_->refcount;
this->~MemoryPoolAllocator();
baseAllocator_ = rhs.baseAllocator_;
chunk_capacity_ = rhs.chunk_capacity_;
shared_ = rhs.shared_;
return *this;
}
#if RAPIDJSON_HAS_CXX11_RVALUE_REFS
MemoryPoolAllocator(MemoryPoolAllocator&& rhs) RAPIDJSON_NOEXCEPT :
chunk_capacity_(rhs.chunk_capacity_),
baseAllocator_(rhs.baseAllocator_),
shared_(rhs.shared_)
{
RAPIDJSON_NOEXCEPT_ASSERT(rhs.shared_->refcount > 0);
rhs.shared_ = 0;
}
MemoryPoolAllocator& operator=(MemoryPoolAllocator&& rhs) RAPIDJSON_NOEXCEPT
{
RAPIDJSON_NOEXCEPT_ASSERT(rhs.shared_->refcount > 0);
this->~MemoryPoolAllocator();
baseAllocator_ = rhs.baseAllocator_;
chunk_capacity_ = rhs.chunk_capacity_;
shared_ = rhs.shared_;
rhs.shared_ = 0;
return *this;
}
#endif
//! Destructor.
/*! This deallocates all memory chunks, excluding the user-supplied buffer.
*/
~MemoryPoolAllocator() {
~MemoryPoolAllocator() RAPIDJSON_NOEXCEPT {
if (!shared_) {
// do nothing if moved
return;
}
if (shared_->refcount > 1) {
--shared_->refcount;
return;
}
Clear();
RAPIDJSON_DELETE(ownBaseAllocator_);
BaseAllocator *a = shared_->ownBaseAllocator;
if (shared_->ownBuffer) {
baseAllocator_->Free(shared_);
}
RAPIDJSON_DELETE(a);
}
//! Deallocates all memory chunks, excluding the user-supplied buffer.
void Clear() {
while (chunkHead_ && chunkHead_ != userBuffer_) {
ChunkHeader* next = chunkHead_->next;
baseAllocator_->Free(chunkHead_);
chunkHead_ = next;
//! Deallocates all memory chunks, excluding the first/user one.
void Clear() RAPIDJSON_NOEXCEPT {
RAPIDJSON_NOEXCEPT_ASSERT(shared_->refcount > 0);
for (;;) {
ChunkHeader* c = shared_->chunkHead;
if (!c->next) {
break;
}
shared_->chunkHead = c->next;
baseAllocator_->Free(c);
}
if (chunkHead_ && chunkHead_ == userBuffer_)
chunkHead_->size = 0; // Clear user buffer
shared_->chunkHead->size = 0;
}
//! Computes the total capacity of allocated memory chunks.
/*! \return total capacity in bytes.
*/
size_t Capacity() const {
size_t Capacity() const RAPIDJSON_NOEXCEPT {
RAPIDJSON_NOEXCEPT_ASSERT(shared_->refcount > 0);
size_t capacity = 0;
for (ChunkHeader* c = chunkHead_; c != 0; c = c->next)
for (ChunkHeader* c = shared_->chunkHead; c != 0; c = c->next)
capacity += c->capacity;
return capacity;
}
@ -178,25 +301,35 @@ public:
//! Computes the memory blocks allocated.
/*! \return total used bytes.
*/
size_t Size() const {
size_t Size() const RAPIDJSON_NOEXCEPT {
RAPIDJSON_NOEXCEPT_ASSERT(shared_->refcount > 0);
size_t size = 0;
for (ChunkHeader* c = chunkHead_; c != 0; c = c->next)
for (ChunkHeader* c = shared_->chunkHead; c != 0; c = c->next)
size += c->size;
return size;
}
//! Whether the allocator is shared.
/*! \return true or false.
*/
bool Shared() const RAPIDJSON_NOEXCEPT {
RAPIDJSON_NOEXCEPT_ASSERT(shared_->refcount > 0);
return shared_->refcount > 1;
}
//! Allocates a memory block. (concept Allocator)
void* Malloc(size_t size) {
RAPIDJSON_NOEXCEPT_ASSERT(shared_->refcount > 0);
if (!size)
return NULL;
size = RAPIDJSON_ALIGN(size);
if (chunkHead_ == 0 || chunkHead_->size + size > chunkHead_->capacity)
if (RAPIDJSON_UNLIKELY(shared_->chunkHead->size + size > shared_->chunkHead->capacity))
if (!AddChunk(chunk_capacity_ > size ? chunk_capacity_ : size))
return NULL;
void *buffer = reinterpret_cast<char *>(chunkHead_) + RAPIDJSON_ALIGN(sizeof(ChunkHeader)) + chunkHead_->size;
chunkHead_->size += size;
void *buffer = GetChunkBuffer(shared_) + shared_->chunkHead->size;
shared_->chunkHead->size += size;
return buffer;
}
@ -205,6 +338,7 @@ public:
if (originalPtr == 0)
return Malloc(newSize);
RAPIDJSON_NOEXCEPT_ASSERT(shared_->refcount > 0);
if (newSize == 0)
return NULL;
@ -216,10 +350,10 @@ public:
return originalPtr;
// Simply expand it if it is the last allocation and there is sufficient space
if (originalPtr == reinterpret_cast<char *>(chunkHead_) + RAPIDJSON_ALIGN(sizeof(ChunkHeader)) + chunkHead_->size - originalSize) {
if (originalPtr == GetChunkBuffer(shared_) + shared_->chunkHead->size - originalSize) {
size_t increment = static_cast<size_t>(newSize - originalSize);
if (chunkHead_->size + increment <= chunkHead_->capacity) {
chunkHead_->size += increment;
if (shared_->chunkHead->size + increment <= shared_->chunkHead->capacity) {
shared_->chunkHead->size += increment;
return originalPtr;
}
}
@ -235,50 +369,325 @@ public:
}
//! Frees a memory block (concept Allocator)
static void Free(void *ptr) { (void)ptr; } // Do nothing
static void Free(void *ptr) RAPIDJSON_NOEXCEPT { (void)ptr; } // Do nothing
//! Compare (equality) with another MemoryPoolAllocator
bool operator==(const MemoryPoolAllocator& rhs) const RAPIDJSON_NOEXCEPT {
RAPIDJSON_NOEXCEPT_ASSERT(shared_->refcount > 0);
RAPIDJSON_NOEXCEPT_ASSERT(rhs.shared_->refcount > 0);
return shared_ == rhs.shared_;
}
//! Compare (inequality) with another MemoryPoolAllocator
bool operator!=(const MemoryPoolAllocator& rhs) const RAPIDJSON_NOEXCEPT {
return !operator==(rhs);
}
private:
//! Copy constructor is not permitted.
MemoryPoolAllocator(const MemoryPoolAllocator& rhs) /* = delete */;
//! Copy assignment operator is not permitted.
MemoryPoolAllocator& operator=(const MemoryPoolAllocator& rhs) /* = delete */;
//! Creates a new chunk.
/*! \param capacity Capacity of the chunk in bytes.
\return true if success.
*/
bool AddChunk(size_t capacity) {
if (!baseAllocator_)
ownBaseAllocator_ = baseAllocator_ = RAPIDJSON_NEW(BaseAllocator)();
if (ChunkHeader* chunk = reinterpret_cast<ChunkHeader*>(baseAllocator_->Malloc(RAPIDJSON_ALIGN(sizeof(ChunkHeader)) + capacity))) {
shared_->ownBaseAllocator = baseAllocator_ = RAPIDJSON_NEW(BaseAllocator)();
if (ChunkHeader* chunk = static_cast<ChunkHeader*>(baseAllocator_->Malloc(SIZEOF_CHUNK_HEADER + capacity))) {
chunk->capacity = capacity;
chunk->size = 0;
chunk->next = chunkHead_;
chunkHead_ = chunk;
chunk->next = shared_->chunkHead;
shared_->chunkHead = chunk;
return true;
}
else
return false;
}
static const int kDefaultChunkCapacity = RAPIDJSON_ALLOCATOR_DEFAULT_CHUNK_CAPACITY; //!< Default chunk capacity.
static inline void* AlignBuffer(void* buf, size_t &size)
{
RAPIDJSON_NOEXCEPT_ASSERT(buf != 0);
const uintptr_t mask = sizeof(void*) - 1;
const uintptr_t ubuf = reinterpret_cast<uintptr_t>(buf);
if (RAPIDJSON_UNLIKELY(ubuf & mask)) {
const uintptr_t abuf = (ubuf + mask) & ~mask;
RAPIDJSON_ASSERT(size >= abuf - ubuf);
buf = reinterpret_cast<void*>(abuf);
size -= abuf - ubuf;
}
return buf;
}
//! Chunk header for perpending to each chunk.
/*! Chunks are stored as a singly linked list.
*/
struct ChunkHeader {
size_t capacity; //!< Capacity of the chunk in bytes (excluding the header itself).
size_t size; //!< Current size of allocated memory in bytes.
ChunkHeader *next; //!< Next chunk in the linked list.
size_t chunk_capacity_; //!< The minimum capacity of chunk when they are allocated.
BaseAllocator* baseAllocator_; //!< base allocator for allocating memory chunks.
SharedData *shared_; //!< The shared data of the allocator
};
namespace internal {
template<typename, typename = void>
struct IsRefCounted :
public FalseType
{ };
template<typename T>
struct IsRefCounted<T, typename internal::EnableIfCond<T::kRefCounted>::Type> :
public TrueType
{ };
}
template<typename T, typename A>
inline T* Realloc(A& a, T* old_p, size_t old_n, size_t new_n)
{
RAPIDJSON_NOEXCEPT_ASSERT(old_n <= (std::numeric_limits<size_t>::max)() / sizeof(T) && new_n <= (std::numeric_limits<size_t>::max)() / sizeof(T));
return static_cast<T*>(a.Realloc(old_p, old_n * sizeof(T), new_n * sizeof(T)));
}
template<typename T, typename A>
inline T *Malloc(A& a, size_t n = 1)
{
return Realloc<T, A>(a, NULL, 0, n);
}
template<typename T, typename A>
inline void Free(A& a, T *p, size_t n = 1)
{
static_cast<void>(Realloc<T, A>(a, p, n, 0));
}
#ifdef __GNUC__
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(effc++) // std::allocator can safely be inherited
#endif
template <typename T, typename BaseAllocator = CrtAllocator>
class StdAllocator :
public std::allocator<T>
{
typedef std::allocator<T> allocator_type;
#if RAPIDJSON_HAS_CXX11
typedef std::allocator_traits<allocator_type> traits_type;
#else
typedef allocator_type traits_type;
#endif
public:
typedef BaseAllocator BaseAllocatorType;
StdAllocator() RAPIDJSON_NOEXCEPT :
allocator_type(),
baseAllocator_()
{ }
StdAllocator(const StdAllocator& rhs) RAPIDJSON_NOEXCEPT :
allocator_type(rhs),
baseAllocator_(rhs.baseAllocator_)
{ }
template<typename U>
StdAllocator(const StdAllocator<U, BaseAllocator>& rhs) RAPIDJSON_NOEXCEPT :
allocator_type(rhs),
baseAllocator_(rhs.baseAllocator_)
{ }
#if RAPIDJSON_HAS_CXX11_RVALUE_REFS
StdAllocator(StdAllocator&& rhs) RAPIDJSON_NOEXCEPT :
allocator_type(std::move(rhs)),
baseAllocator_(std::move(rhs.baseAllocator_))
{ }
#endif
#if RAPIDJSON_HAS_CXX11
using propagate_on_container_move_assignment = std::true_type;
using propagate_on_container_swap = std::true_type;
#endif
/* implicit */
StdAllocator(const BaseAllocator& baseAllocator) RAPIDJSON_NOEXCEPT :
allocator_type(),
baseAllocator_(baseAllocator)
{ }
~StdAllocator() RAPIDJSON_NOEXCEPT
{ }
template<typename U>
struct rebind {
typedef StdAllocator<U, BaseAllocator> other;
};
ChunkHeader *chunkHead_; //!< Head of the chunk linked-list. Only the head chunk serves allocation.
size_t chunk_capacity_; //!< The minimum capacity of chunk when they are allocated.
void *userBuffer_; //!< User supplied buffer.
BaseAllocator* baseAllocator_; //!< base allocator for allocating memory chunks.
BaseAllocator* ownBaseAllocator_; //!< base allocator created by this object.
typedef typename traits_type::size_type size_type;
typedef typename traits_type::difference_type difference_type;
typedef typename traits_type::value_type value_type;
typedef typename traits_type::pointer pointer;
typedef typename traits_type::const_pointer const_pointer;
#if RAPIDJSON_HAS_CXX11
typedef typename std::add_lvalue_reference<value_type>::type &reference;
typedef typename std::add_lvalue_reference<typename std::add_const<value_type>::type>::type &const_reference;
pointer address(reference r) const RAPIDJSON_NOEXCEPT
{
return std::addressof(r);
}
const_pointer address(const_reference r) const RAPIDJSON_NOEXCEPT
{
return std::addressof(r);
}
size_type max_size() const RAPIDJSON_NOEXCEPT
{
return traits_type::max_size(*this);
}
template <typename ...Args>
void construct(pointer p, Args&&... args)
{
traits_type::construct(*this, p, std::forward<Args>(args)...);
}
void destroy(pointer p)
{
traits_type::destroy(*this, p);
}
#else // !RAPIDJSON_HAS_CXX11
typedef typename allocator_type::reference reference;
typedef typename allocator_type::const_reference const_reference;
pointer address(reference r) const RAPIDJSON_NOEXCEPT
{
return allocator_type::address(r);
}
const_pointer address(const_reference r) const RAPIDJSON_NOEXCEPT
{
return allocator_type::address(r);
}
size_type max_size() const RAPIDJSON_NOEXCEPT
{
return allocator_type::max_size();
}
void construct(pointer p, const_reference r)
{
allocator_type::construct(p, r);
}
void destroy(pointer p)
{
allocator_type::destroy(p);
}
#endif // !RAPIDJSON_HAS_CXX11
template <typename U>
U* allocate(size_type n = 1, const void* = 0)
{
return RAPIDJSON_NAMESPACE::Malloc<U>(baseAllocator_, n);
}
template <typename U>
void deallocate(U* p, size_type n = 1)
{
RAPIDJSON_NAMESPACE::Free<U>(baseAllocator_, p, n);
}
pointer allocate(size_type n = 1, const void* = 0)
{
return allocate<value_type>(n);
}
void deallocate(pointer p, size_type n = 1)
{
deallocate<value_type>(p, n);
}
#if RAPIDJSON_HAS_CXX11
using is_always_equal = std::is_empty<BaseAllocator>;
#endif
template<typename U>
bool operator==(const StdAllocator<U, BaseAllocator>& rhs) const RAPIDJSON_NOEXCEPT
{
return baseAllocator_ == rhs.baseAllocator_;
}
template<typename U>
bool operator!=(const StdAllocator<U, BaseAllocator>& rhs) const RAPIDJSON_NOEXCEPT
{
return !operator==(rhs);
}
//! rapidjson Allocator concept
static const bool kNeedFree = BaseAllocator::kNeedFree;
static const bool kRefCounted = internal::IsRefCounted<BaseAllocator>::Value;
void* Malloc(size_t size)
{
return baseAllocator_.Malloc(size);
}
void* Realloc(void* originalPtr, size_t originalSize, size_t newSize)
{
return baseAllocator_.Realloc(originalPtr, originalSize, newSize);
}
static void Free(void *ptr) RAPIDJSON_NOEXCEPT
{
BaseAllocator::Free(ptr);
}
private:
template <typename, typename>
friend class StdAllocator; // access to StdAllocator<!T>.*
BaseAllocator baseAllocator_;
};
#if !RAPIDJSON_HAS_CXX17 // std::allocator<void> deprecated in C++17
template <typename BaseAllocator>
class StdAllocator<void, BaseAllocator> :
public std::allocator<void>
{
typedef std::allocator<void> allocator_type;
public:
typedef BaseAllocator BaseAllocatorType;
StdAllocator() RAPIDJSON_NOEXCEPT :
allocator_type(),
baseAllocator_()
{ }
StdAllocator(const StdAllocator& rhs) RAPIDJSON_NOEXCEPT :
allocator_type(rhs),
baseAllocator_(rhs.baseAllocator_)
{ }
template<typename U>
StdAllocator(const StdAllocator<U, BaseAllocator>& rhs) RAPIDJSON_NOEXCEPT :
allocator_type(rhs),
baseAllocator_(rhs.baseAllocator_)
{ }
/* implicit */
StdAllocator(const BaseAllocator& baseAllocator) RAPIDJSON_NOEXCEPT :
allocator_type(),
baseAllocator_(baseAllocator)
{ }
~StdAllocator() RAPIDJSON_NOEXCEPT
{ }
template<typename U>
struct rebind {
typedef StdAllocator<U, BaseAllocator> other;
};
typedef typename allocator_type::value_type value_type;
private:
template <typename, typename>
friend class StdAllocator; // access to StdAllocator<!T>.*
BaseAllocator baseAllocator_;
};
#endif
#ifdef __GNUC__
RAPIDJSON_DIAG_POP
#endif
RAPIDJSON_NAMESPACE_END
#endif // RAPIDJSON_ENCODINGS_H_

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@ -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_

View File

@ -1,5 +1,5 @@
// Tencent is pleased to support the open source community by making RapidJSON available.
//
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip.
//
// Licensed under the MIT License (the "License"); you may not use this file except
@ -7,9 +7,9 @@
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
#ifndef RAPIDJSON_ERROR_EN_H_
@ -39,13 +39,13 @@ inline const RAPIDJSON_ERROR_CHARTYPE* GetParseError_En(ParseErrorCode parseErro
case kParseErrorDocumentEmpty: return RAPIDJSON_ERROR_STRING("The document is empty.");
case kParseErrorDocumentRootNotSingular: return RAPIDJSON_ERROR_STRING("The document root must not be followed by other values.");
case kParseErrorValueInvalid: return RAPIDJSON_ERROR_STRING("Invalid value.");
case kParseErrorObjectMissName: return RAPIDJSON_ERROR_STRING("Missing a name for object member.");
case kParseErrorObjectMissColon: return RAPIDJSON_ERROR_STRING("Missing a colon after a name of object member.");
case kParseErrorObjectMissCommaOrCurlyBracket: return RAPIDJSON_ERROR_STRING("Missing a comma or '}' after an object member.");
case kParseErrorArrayMissCommaOrSquareBracket: return RAPIDJSON_ERROR_STRING("Missing a comma or ']' after an array element.");
case kParseErrorStringUnicodeEscapeInvalidHex: return RAPIDJSON_ERROR_STRING("Incorrect hex digit after \\u escape in string.");
@ -104,15 +104,69 @@ inline const RAPIDJSON_ERROR_CHARTYPE* GetValidateError_En(ValidateErrorCode val
case kValidateErrorType: return RAPIDJSON_ERROR_STRING("Property has a type '%actual' that is not in the following list: '%expected'.");
case kValidateErrorOneOf: return RAPIDJSON_ERROR_STRING("Property did not match any of the sub-schemas specified by 'oneOf', refer to following errors.");
case kValidateErrorOneOfMatch: return RAPIDJSON_ERROR_STRING("Property matched more than one of the sub-schemas specified by 'oneOf'.");
case kValidateErrorOneOfMatch: return RAPIDJSON_ERROR_STRING("Property matched more than one of the sub-schemas specified by 'oneOf', indices '%matches'.");
case kValidateErrorAllOf: return RAPIDJSON_ERROR_STRING("Property did not match all of the sub-schemas specified by 'allOf', refer to following errors.");
case kValidateErrorAnyOf: return RAPIDJSON_ERROR_STRING("Property did not match any of the sub-schemas specified by 'anyOf', refer to following errors.");
case kValidateErrorNot: return RAPIDJSON_ERROR_STRING("Property matched the sub-schema specified by 'not'.");
case kValidateErrorReadOnly: return RAPIDJSON_ERROR_STRING("Property is read-only but has been provided when validation is for writing.");
case kValidateErrorWriteOnly: return RAPIDJSON_ERROR_STRING("Property is write-only but has been provided when validation is for reading.");
default: return RAPIDJSON_ERROR_STRING("Unknown error.");
}
}
//! Maps error code of schema document compilation into error message.
/*!
\ingroup RAPIDJSON_ERRORS
\param schemaErrorCode Error code obtained from compiling the schema document.
\return the error message.
\note User can make a copy of this function for localization.
Using switch-case is safer for future modification of error codes.
*/
inline const RAPIDJSON_ERROR_CHARTYPE* GetSchemaError_En(SchemaErrorCode schemaErrorCode) {
switch (schemaErrorCode) {
case kSchemaErrorNone: return RAPIDJSON_ERROR_STRING("No error.");
case kSchemaErrorStartUnknown: return RAPIDJSON_ERROR_STRING("Pointer '%value' to start of schema does not resolve to a location in the document.");
case kSchemaErrorRefPlainName: return RAPIDJSON_ERROR_STRING("$ref fragment '%value' must be a JSON pointer.");
case kSchemaErrorRefInvalid: return RAPIDJSON_ERROR_STRING("$ref must not be an empty string.");
case kSchemaErrorRefPointerInvalid: return RAPIDJSON_ERROR_STRING("$ref fragment '%value' is not a valid JSON pointer at offset '%offset'.");
case kSchemaErrorRefUnknown: return RAPIDJSON_ERROR_STRING("$ref '%value' does not resolve to a location in the target document.");
case kSchemaErrorRefCyclical: return RAPIDJSON_ERROR_STRING("$ref '%value' is cyclical.");
case kSchemaErrorRefNoRemoteProvider: return RAPIDJSON_ERROR_STRING("$ref is remote but there is no remote provider.");
case kSchemaErrorRefNoRemoteSchema: return RAPIDJSON_ERROR_STRING("$ref '%value' is remote but the remote provider did not return a schema.");
case kSchemaErrorRegexInvalid: return RAPIDJSON_ERROR_STRING("Invalid regular expression '%value' in 'pattern' or 'patternProperties'.");
case kSchemaErrorSpecUnknown: return RAPIDJSON_ERROR_STRING("JSON schema draft or OpenAPI version is not recognized.");
case kSchemaErrorSpecUnsupported: return RAPIDJSON_ERROR_STRING("JSON schema draft or OpenAPI version is not supported.");
case kSchemaErrorSpecIllegal: return RAPIDJSON_ERROR_STRING("Both JSON schema draft and OpenAPI version found in document.");
case kSchemaErrorReadOnlyAndWriteOnly: return RAPIDJSON_ERROR_STRING("Property must not be both 'readOnly' and 'writeOnly'.");
default: return RAPIDJSON_ERROR_STRING("Unknown error.");
}
}
//! Maps error code of pointer parse into error message.
/*!
\ingroup RAPIDJSON_ERRORS
\param pointerParseErrorCode Error code obtained from pointer parse.
\return the error message.
\note User can make a copy of this function for localization.
Using switch-case is safer for future modification of error codes.
*/
inline const RAPIDJSON_ERROR_CHARTYPE* GetPointerParseError_En(PointerParseErrorCode pointerParseErrorCode) {
switch (pointerParseErrorCode) {
case kPointerParseErrorNone: return RAPIDJSON_ERROR_STRING("No error.");
case kPointerParseErrorTokenMustBeginWithSolidus: return RAPIDJSON_ERROR_STRING("A token must begin with a '/'.");
case kPointerParseErrorInvalidEscape: return RAPIDJSON_ERROR_STRING("Invalid escape.");
case kPointerParseErrorInvalidPercentEncoding: return RAPIDJSON_ERROR_STRING("Invalid percent encoding in URI fragment.");
case kPointerParseErrorCharacterMustPercentEncode: return RAPIDJSON_ERROR_STRING("A character must be percent encoded in a URI fragment.");
default: return RAPIDJSON_ERROR_STRING("Unknown error.");
}
}
RAPIDJSON_NAMESPACE_END
#ifdef __clang__

View File

@ -1,5 +1,5 @@
// Tencent is pleased to support the open source community by making RapidJSON available.
//
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip.
//
// Licensed under the MIT License (the "License"); you may not use this file except
@ -7,9 +7,9 @@
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
#ifndef RAPIDJSON_ERROR_ERROR_H_
@ -42,7 +42,7 @@ RAPIDJSON_DIAG_OFF(padded)
///////////////////////////////////////////////////////////////////////////////
// RAPIDJSON_ERROR_STRING
//! Macro for converting string literial to \ref RAPIDJSON_ERROR_CHARTYPE[].
//! Macro for converting string literal to \ref RAPIDJSON_ERROR_CHARTYPE[].
/*! \ingroup RAPIDJSON_ERRORS
By default this conversion macro does nothing.
On Windows, user can define this macro as \c _T(x) for supporting both
@ -185,14 +185,17 @@ enum ValidateErrorCode {
kValidateErrorPatternProperties, //!< See other errors.
kValidateErrorDependencies, //!< Object has missing property or schema dependencies.
kValidateErrorEnum, //!< Property has a value that is not one of its allowed enumerated values
kValidateErrorType, //!< Property has a type that is not allowed by the schema..
kValidateErrorEnum, //!< Property has a value that is not one of its allowed enumerated values.
kValidateErrorType, //!< Property has a type that is not allowed by the schema.
kValidateErrorOneOf, //!< Property did not match any of the sub-schemas specified by 'oneOf'.
kValidateErrorOneOfMatch, //!< Property matched more than one of the sub-schemas specified by 'oneOf'.
kValidateErrorAllOf, //!< Property did not match all of the sub-schemas specified by 'allOf'.
kValidateErrorAnyOf, //!< Property did not match any of the sub-schemas specified by 'anyOf'.
kValidateErrorNot //!< Property matched the sub-schema specified by 'not'.
kValidateErrorNot, //!< Property matched the sub-schema specified by 'not'.
kValidateErrorReadOnly, //!< Property is read-only but has been provided when validation is for writing
kValidateErrorWriteOnly //!< Property is write-only but has been provided when validation is for reading
};
//! Function pointer type of GetValidateError().
@ -207,6 +210,72 @@ enum ValidateErrorCode {
*/
typedef const RAPIDJSON_ERROR_CHARTYPE* (*GetValidateErrorFunc)(ValidateErrorCode);
///////////////////////////////////////////////////////////////////////////////
// SchemaErrorCode
//! Error codes when validating.
/*! \ingroup RAPIDJSON_ERRORS
\see GenericSchemaValidator
*/
enum SchemaErrorCode {
kSchemaErrorNone = 0, //!< No error.
kSchemaErrorStartUnknown, //!< Pointer to start of schema does not resolve to a location in the document
kSchemaErrorRefPlainName, //!< $ref fragment must be a JSON pointer
kSchemaErrorRefInvalid, //!< $ref must not be an empty string
kSchemaErrorRefPointerInvalid, //!< $ref fragment is not a valid JSON pointer at offset
kSchemaErrorRefUnknown, //!< $ref does not resolve to a location in the target document
kSchemaErrorRefCyclical, //!< $ref is cyclical
kSchemaErrorRefNoRemoteProvider, //!< $ref is remote but there is no remote provider
kSchemaErrorRefNoRemoteSchema, //!< $ref is remote but the remote provider did not return a schema
kSchemaErrorRegexInvalid, //!< Invalid regular expression in 'pattern' or 'patternProperties'
kSchemaErrorSpecUnknown, //!< JSON schema draft or OpenAPI version is not recognized
kSchemaErrorSpecUnsupported, //!< JSON schema draft or OpenAPI version is not supported
kSchemaErrorSpecIllegal, //!< Both JSON schema draft and OpenAPI version found in document
kSchemaErrorReadOnlyAndWriteOnly //!< Property must not be both 'readOnly' and 'writeOnly'
};
//! Function pointer type of GetSchemaError().
/*! \ingroup RAPIDJSON_ERRORS
This is the prototype for \c GetSchemaError_X(), where \c X is a locale.
User can dynamically change locale in runtime, e.g.:
\code
GetSchemaErrorFunc GetSchemaError = GetSchemaError_En; // or whatever
const RAPIDJSON_ERROR_CHARTYPE* s = GetSchemaError(validator.GetInvalidSchemaCode());
\endcode
*/
typedef const RAPIDJSON_ERROR_CHARTYPE* (*GetSchemaErrorFunc)(SchemaErrorCode);
///////////////////////////////////////////////////////////////////////////////
// PointerParseErrorCode
//! Error code of JSON pointer parsing.
/*! \ingroup RAPIDJSON_ERRORS
\see GenericPointer::GenericPointer, GenericPointer::GetParseErrorCode
*/
enum PointerParseErrorCode {
kPointerParseErrorNone = 0, //!< The parse is successful
kPointerParseErrorTokenMustBeginWithSolidus, //!< A token must begin with a '/'
kPointerParseErrorInvalidEscape, //!< Invalid escape
kPointerParseErrorInvalidPercentEncoding, //!< Invalid percent encoding in URI fragment
kPointerParseErrorCharacterMustPercentEncode //!< A character must percent encoded in URI fragment
};
//! Function pointer type of GetPointerParseError().
/*! \ingroup RAPIDJSON_ERRORS
This is the prototype for \c GetPointerParseError_X(), where \c X is a locale.
User can dynamically change locale in runtime, e.g.:
\code
GetPointerParseErrorFunc GetPointerParseError = GetPointerParseError_En; // or whatever
const RAPIDJSON_ERROR_CHARTYPE* s = GetPointerParseError(pointer.GetParseErrorCode());
\endcode
*/
typedef const RAPIDJSON_ERROR_CHARTYPE* (*GetPointerParseErrorFunc)(PointerParseErrorCode);
RAPIDJSON_NAMESPACE_END
#ifdef __clang__

View File

@ -19,7 +19,11 @@
#if defined(_MSC_VER) && !defined(__INTEL_COMPILER) && defined(_M_AMD64)
#include <intrin.h> // for _umul128
#if !defined(_ARM64EC_)
#pragma intrinsic(_umul128)
#else
#pragma comment(lib,"softintrin")
#endif
#endif
RAPIDJSON_NAMESPACE_BEGIN
@ -37,7 +41,8 @@ public:
digits_[0] = u;
}
BigInteger(const char* decimals, size_t length) : count_(1) {
template<typename Ch>
BigInteger(const Ch* decimals, size_t length) : count_(1) {
RAPIDJSON_ASSERT(length > 0);
digits_[0] = 0;
size_t i = 0;
@ -221,7 +226,8 @@ public:
bool IsZero() const { return count_ == 1 && digits_[0] == 0; }
private:
void AppendDecimal64(const char* begin, const char* end) {
template<typename Ch>
void AppendDecimal64(const Ch* begin, const Ch* end) {
uint64_t u = ParseUint64(begin, end);
if (IsZero())
*this = u;
@ -236,11 +242,12 @@ private:
digits_[count_++] = digit;
}
static uint64_t ParseUint64(const char* begin, const char* end) {
template<typename Ch>
static uint64_t ParseUint64(const Ch* begin, const Ch* end) {
uint64_t r = 0;
for (const char* p = begin; p != end; ++p) {
RAPIDJSON_ASSERT(*p >= '0' && *p <= '9');
r = r * 10u + static_cast<unsigned>(*p - '0');
for (const Ch* p = begin; p != end; ++p) {
RAPIDJSON_ASSERT(*p >= Ch('0') && *p <= Ch('9'));
r = r * 10u + static_cast<unsigned>(*p - Ch('0'));
}
return r;
}
@ -252,7 +259,7 @@ private:
if (low < k)
(*outHigh)++;
return low;
#elif (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)) && defined(__x86_64__)
#elif defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)) && defined(__x86_64__)
__extension__ typedef unsigned __int128 uint128;
uint128 p = static_cast<uint128>(a) * static_cast<uint128>(b);
p += k;

View File

@ -25,7 +25,11 @@
#if defined(_MSC_VER) && defined(_M_AMD64) && !defined(__INTEL_COMPILER)
#include <intrin.h>
#if !defined(_ARM64EC_)
#pragma intrinsic(_umul128)
#else
#pragma comment(lib,"softintrin")
#endif
#endif
RAPIDJSON_NAMESPACE_BEGIN
@ -75,7 +79,7 @@ struct DiyFp {
if (l & (uint64_t(1) << 63)) // rounding
h++;
return DiyFp(h, e + rhs.e + 64);
#elif (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)) && defined(__x86_64__)
#elif defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)) && defined(__x86_64__)
__extension__ typedef unsigned __int128 uint128;
uint128 p = static_cast<uint128>(f) * static_cast<uint128>(rhs.f);
uint64_t h = static_cast<uint64_t>(p >> 64);

View File

@ -58,7 +58,11 @@ inline int CountDecimalDigit32(uint32_t n) {
}
inline void DigitGen(const DiyFp& W, const DiyFp& Mp, uint64_t delta, char* buffer, int* len, int* K) {
static const uint32_t kPow10[] = { 1, 10, 100, 1000, 10000, 100000, 1000000, 10000000, 100000000, 1000000000 };
static const uint64_t kPow10[] = { 1ULL, 10ULL, 100ULL, 1000ULL, 10000ULL, 100000ULL, 1000000ULL, 10000000ULL, 100000000ULL,
1000000000ULL, 10000000000ULL, 100000000000ULL, 1000000000000ULL,
10000000000000ULL, 100000000000000ULL, 1000000000000000ULL,
10000000000000000ULL, 100000000000000000ULL, 1000000000000000000ULL,
10000000000000000000ULL };
const DiyFp one(uint64_t(1) << -Mp.e, Mp.e);
const DiyFp wp_w = Mp - W;
uint32_t p1 = static_cast<uint32_t>(Mp.f >> -one.e);
@ -86,7 +90,7 @@ inline void DigitGen(const DiyFp& W, const DiyFp& Mp, uint64_t delta, char* buff
uint64_t tmp = (static_cast<uint64_t>(p1) << -one.e) + p2;
if (tmp <= delta) {
*K += kappa;
GrisuRound(buffer, *len, delta, tmp, static_cast<uint64_t>(kPow10[kappa]) << -one.e, wp_w.f);
GrisuRound(buffer, *len, delta, tmp, kPow10[kappa] << -one.e, wp_w.f);
return;
}
}
@ -103,7 +107,7 @@ inline void DigitGen(const DiyFp& W, const DiyFp& Mp, uint64_t delta, char* buff
if (p2 < delta) {
*K += kappa;
int index = -kappa;
GrisuRound(buffer, *len, delta, p2, one.f, wp_w.f * (index < 9 ? kPow10[index] : 0));
GrisuRound(buffer, *len, delta, p2, one.f, wp_w.f * (index < 20 ? kPow10[index] : 0));
return;
}
}

View File

@ -615,7 +615,7 @@ public:
RAPIDJSON_ASSERT(regex_.IsValid());
if (!allocator_)
ownAllocator_ = allocator_ = RAPIDJSON_NEW(Allocator)();
stateSet_ = static_cast<unsigned*>(allocator_->Malloc(GetStateSetSize()));
stateSet_ = static_cast<uint32_t*>(allocator_->Malloc(GetStateSetSize()));
state0_.template Reserve<SizeType>(regex_.stateCount_);
state1_.template Reserve<SizeType>(regex_.stateCount_);
}

View File

@ -45,6 +45,20 @@ inline SizeType StrLen(const wchar_t* s) {
return SizeType(std::wcslen(s));
}
//! Custom strcmpn() which works on different character types.
/*! \tparam Ch Character type (e.g. char, wchar_t, short)
\param s1 Null-terminated input string.
\param s2 Null-terminated input string.
\return 0 if equal
*/
template<typename Ch>
inline int StrCmp(const Ch* s1, const Ch* s2) {
RAPIDJSON_ASSERT(s1 != 0);
RAPIDJSON_ASSERT(s2 != 0);
while(*s1 && (*s1 == *s2)) { s1++; s2++; }
return static_cast<unsigned>(*s1) < static_cast<unsigned>(*s2) ? -1 : static_cast<unsigned>(*s1) > static_cast<unsigned>(*s2);
}
//! Returns number of code points in a encoded string.
template<typename Encoding>
bool CountStringCodePoint(const typename Encoding::Ch* s, SizeType length, SizeType* outCount) {

View File

@ -128,17 +128,18 @@ inline bool StrtodFast(double d, int p, double* result) {
}
// Compute an approximation and see if it is within 1/2 ULP
inline bool StrtodDiyFp(const char* decimals, int dLen, int dExp, double* result) {
template<typename Ch>
inline bool StrtodDiyFp(const Ch* decimals, int dLen, int dExp, double* result) {
uint64_t significand = 0;
int i = 0; // 2^64 - 1 = 18446744073709551615, 1844674407370955161 = 0x1999999999999999
for (; i < dLen; i++) {
if (significand > RAPIDJSON_UINT64_C2(0x19999999, 0x99999999) ||
(significand == RAPIDJSON_UINT64_C2(0x19999999, 0x99999999) && decimals[i] > '5'))
(significand == RAPIDJSON_UINT64_C2(0x19999999, 0x99999999) && decimals[i] > Ch('5')))
break;
significand = significand * 10u + static_cast<unsigned>(decimals[i] - '0');
significand = significand * 10u + static_cast<unsigned>(decimals[i] - Ch('0'));
}
if (i < dLen && decimals[i] >= '5') // Rounding
if (i < dLen && decimals[i] >= Ch('5')) // Rounding
significand++;
int remaining = dLen - i;
@ -205,7 +206,8 @@ inline bool StrtodDiyFp(const char* decimals, int dLen, int dExp, double* result
return halfWay - static_cast<unsigned>(error) >= precisionBits || precisionBits >= halfWay + static_cast<unsigned>(error);
}
inline double StrtodBigInteger(double approx, const char* decimals, int dLen, int dExp) {
template<typename Ch>
inline double StrtodBigInteger(double approx, const Ch* decimals, int dLen, int dExp) {
RAPIDJSON_ASSERT(dLen >= 0);
const BigInteger dInt(decimals, static_cast<unsigned>(dLen));
Double a(approx);
@ -223,7 +225,8 @@ inline double StrtodBigInteger(double approx, const char* decimals, int dLen, in
return a.NextPositiveDouble();
}
inline double StrtodFullPrecision(double d, int p, const char* decimals, size_t length, size_t decimalPosition, int exp) {
template<typename Ch>
inline double StrtodFullPrecision(double d, int p, const Ch* decimals, size_t length, size_t decimalPosition, int exp) {
RAPIDJSON_ASSERT(d >= 0.0);
RAPIDJSON_ASSERT(length >= 1);

View File

@ -16,7 +16,9 @@
#define RAPIDJSON_POINTER_H_
#include "document.h"
#include "uri.h"
#include "internal/itoa.h"
#include "error/error.h" // PointerParseErrorCode
#ifdef __clang__
RAPIDJSON_DIAG_PUSH
@ -30,19 +32,6 @@ RAPIDJSON_NAMESPACE_BEGIN
static const SizeType kPointerInvalidIndex = ~SizeType(0); //!< Represents an invalid index in GenericPointer::Token
//! Error code of parsing.
/*! \ingroup RAPIDJSON_ERRORS
\see GenericPointer::GenericPointer, GenericPointer::GetParseErrorCode
*/
enum PointerParseErrorCode {
kPointerParseErrorNone = 0, //!< The parse is successful
kPointerParseErrorTokenMustBeginWithSolidus, //!< A token must begin with a '/'
kPointerParseErrorInvalidEscape, //!< Invalid escape
kPointerParseErrorInvalidPercentEncoding, //!< Invalid percent encoding in URI fragment
kPointerParseErrorCharacterMustPercentEncode //!< A character must percent encoded in URI fragment
};
///////////////////////////////////////////////////////////////////////////////
// GenericPointer
@ -68,10 +57,10 @@ enum PointerParseErrorCode {
supplied tokens eliminates these.
GenericPointer depends on GenericDocument and GenericValue.
\tparam ValueType The value type of the DOM tree. E.g. GenericValue<UTF8<> >
\tparam Allocator The allocator type for allocating memory for internal representation.
\note GenericPointer uses same encoding of ValueType.
However, Allocator of GenericPointer is independent of Allocator of Value.
*/
@ -80,8 +69,10 @@ class GenericPointer {
public:
typedef typename ValueType::EncodingType EncodingType; //!< Encoding type from Value
typedef typename ValueType::Ch Ch; //!< Character type from Value
typedef GenericUri<ValueType, Allocator> UriType;
//! A token is the basic units of internal representation.
//! A token is the basic units of internal representation.
/*!
A JSON pointer string representation "/foo/123" is parsed to two tokens:
"foo" and 123. 123 will be represented in both numeric form and string form.
@ -163,7 +154,7 @@ public:
GenericPointer(const Token* tokens, size_t tokenCount) : allocator_(), ownAllocator_(), nameBuffer_(), tokens_(const_cast<Token*>(tokens)), tokenCount_(tokenCount), parseErrorOffset_(), parseErrorCode_(kPointerParseErrorNone) {}
//! Copy constructor.
GenericPointer(const GenericPointer& rhs) : allocator_(rhs.allocator_), ownAllocator_(), nameBuffer_(), tokens_(), tokenCount_(), parseErrorOffset_(), parseErrorCode_(kPointerParseErrorNone) {
GenericPointer(const GenericPointer& rhs) : allocator_(), ownAllocator_(), nameBuffer_(), tokens_(), tokenCount_(), parseErrorOffset_(), parseErrorCode_(kPointerParseErrorNone) {
*this = rhs;
}
@ -520,6 +511,70 @@ public:
//@}
//!@name Compute URI
//@{
//! Compute the in-scope URI for a subtree.
// For use with JSON pointers into JSON schema documents.
/*!
\param root Root value of a DOM sub-tree to be resolved. It can be any value other than document root.
\param rootUri Root URI
\param unresolvedTokenIndex If the pointer cannot resolve a token in the pointer, this parameter can obtain the index of unresolved token.
\param allocator Allocator for Uris
\return Uri if it can be resolved. Otherwise null.
\note
There are only 3 situations when a URI cannot be resolved:
1. A value in the path is not an array nor object.
2. An object value does not contain the token.
3. A token is out of range of an array value.
Use unresolvedTokenIndex to retrieve the token index.
*/
UriType GetUri(ValueType& root, const UriType& rootUri, size_t* unresolvedTokenIndex = 0, Allocator* allocator = 0) const {
static const Ch kIdString[] = { 'i', 'd', '\0' };
static const ValueType kIdValue(kIdString, 2);
UriType base = UriType(rootUri, allocator);
RAPIDJSON_ASSERT(IsValid());
ValueType* v = &root;
for (const Token *t = tokens_; t != tokens_ + tokenCount_; ++t) {
switch (v->GetType()) {
case kObjectType:
{
// See if we have an id, and if so resolve with the current base
typename ValueType::MemberIterator m = v->FindMember(kIdValue);
if (m != v->MemberEnd() && (m->value).IsString()) {
UriType here = UriType(m->value, allocator).Resolve(base, allocator);
base = here;
}
m = v->FindMember(GenericValue<EncodingType>(GenericStringRef<Ch>(t->name, t->length)));
if (m == v->MemberEnd())
break;
v = &m->value;
}
continue;
case kArrayType:
if (t->index == kPointerInvalidIndex || t->index >= v->Size())
break;
v = &((*v)[t->index]);
continue;
default:
break;
}
// Error: unresolved token
if (unresolvedTokenIndex)
*unresolvedTokenIndex = static_cast<size_t>(t - tokens_);
return UriType(allocator);
}
return base;
}
UriType GetUri(const ValueType& root, const UriType& rootUri, size_t* unresolvedTokenIndex = 0, Allocator* allocator = 0) const {
return GetUri(const_cast<ValueType&>(root), rootUri, unresolvedTokenIndex, allocator);
}
//!@name Query value
//@{
@ -634,7 +689,7 @@ public:
ValueType& GetWithDefault(GenericDocument<EncodingType, typename ValueType::AllocatorType, stackAllocator>& document, const Ch* defaultValue) const {
return GetWithDefault(document, defaultValue, document.GetAllocator());
}
#if RAPIDJSON_HAS_STDSTRING
//! Query a value in a document with default std::basic_string.
template <typename stackAllocator>
@ -835,10 +890,16 @@ private:
std::memcpy(nameBuffer_, rhs.nameBuffer_, nameBufferSize * sizeof(Ch));
}
// Adjust pointers to name buffer
std::ptrdiff_t diff = nameBuffer_ - rhs.nameBuffer_;
for (Token *t = tokens_; t != tokens_ + rhs.tokenCount_; ++t)
t->name += diff;
// The names of each token point to a string in the nameBuffer_. The
// previous memcpy copied over string pointers into the rhs.nameBuffer_,
// but they should point to the strings in the new nameBuffer_.
for (size_t i = 0; i < rhs.tokenCount_; ++i) {
// The offset between the string address and the name buffer should
// still be constant, so we can just get this offset and set each new
// token name according the new buffer start + the known offset.
std::ptrdiff_t name_offset = rhs.tokens_[i].name - rhs.nameBuffer_;
tokens_[i].name = nameBuffer_ + name_offset;
}
return nameBuffer_ + nameBufferSize;
}
@ -928,7 +989,7 @@ private:
}
i++;
// Escaping "~0" -> '~', "~1" -> '/'
if (c == '~') {
if (i < length) {

View File

@ -1,5 +1,5 @@
// Tencent is pleased to support the open source community by making RapidJSON available.
//
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip.
//
// Licensed under the MIT License (the "License"); you may not use this file except
@ -7,9 +7,9 @@
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
#ifndef RAPIDJSON_RAPIDJSON_H_
@ -17,7 +17,7 @@
/*!\file rapidjson.h
\brief common definitions and configuration
\see RAPIDJSON_CONFIG
*/
@ -124,6 +124,19 @@
#define RAPIDJSON_NAMESPACE_END }
#endif
///////////////////////////////////////////////////////////////////////////////
// __cplusplus macro
//!@cond RAPIDJSON_HIDDEN_FROM_DOXYGEN
#if defined(_MSC_VER)
#define RAPIDJSON_CPLUSPLUS _MSVC_LANG
#else
#define RAPIDJSON_CPLUSPLUS __cplusplus
#endif
//!@endcond
///////////////////////////////////////////////////////////////////////////////
// RAPIDJSON_HAS_STDSTRING
@ -149,6 +162,24 @@
#include <string>
#endif // RAPIDJSON_HAS_STDSTRING
///////////////////////////////////////////////////////////////////////////////
// RAPIDJSON_USE_MEMBERSMAP
/*! \def RAPIDJSON_USE_MEMBERSMAP
\ingroup RAPIDJSON_CONFIG
\brief Enable RapidJSON support for object members handling in a \c std::multimap
By defining this preprocessor symbol to \c 1, \ref rapidjson::GenericValue object
members are stored in a \c std::multimap for faster lookup and deletion times, a
trade off with a slightly slower insertion time and a small object allocat(or)ed
memory overhead.
\hideinitializer
*/
#ifndef RAPIDJSON_USE_MEMBERSMAP
#define RAPIDJSON_USE_MEMBERSMAP 0 // not by default
#endif
///////////////////////////////////////////////////////////////////////////////
// RAPIDJSON_NO_INT64DEFINE
@ -164,7 +195,7 @@
*/
#ifndef RAPIDJSON_NO_INT64DEFINE
//!@cond RAPIDJSON_HIDDEN_FROM_DOXYGEN
#if defined(_MSC_VER) && (_MSC_VER < 1800) // Visual Studio 2013
#if defined(_MSC_VER) && (_MSC_VER < 1800) // Visual Studio 2013
#include "msinttypes/stdint.h"
#include "msinttypes/inttypes.h"
#else
@ -246,7 +277,7 @@
# elif defined(RAPIDJSON_DOXYGEN_RUNNING)
# define RAPIDJSON_ENDIAN
# else
# error Unknown machine endianness detected. User needs to define RAPIDJSON_ENDIAN.
# error Unknown machine endianness detected. User needs to define RAPIDJSON_ENDIAN.
# endif
#endif // RAPIDJSON_ENDIAN
@ -411,7 +442,7 @@ RAPIDJSON_NAMESPACE_END
// Prefer C++11 static_assert, if available
#ifndef RAPIDJSON_STATIC_ASSERT
#if __cplusplus >= 201103L || ( defined(_MSC_VER) && _MSC_VER >= 1800 )
#if RAPIDJSON_CPLUSPLUS >= 201103L || ( defined(_MSC_VER) && _MSC_VER >= 1800 )
#define RAPIDJSON_STATIC_ASSERT(x) \
static_assert(x, RAPIDJSON_STRINGIFY(x))
#endif // C++11
@ -482,7 +513,7 @@ RAPIDJSON_NAMESPACE_END
//!@cond RAPIDJSON_HIDDEN_FROM_DOXYGEN
#define RAPIDJSON_MULTILINEMACRO_BEGIN do {
#define RAPIDJSON_MULTILINEMACRO_BEGIN do {
#define RAPIDJSON_MULTILINEMACRO_END \
} while((void)0, 0)
@ -541,8 +572,14 @@ RAPIDJSON_NAMESPACE_END
///////////////////////////////////////////////////////////////////////////////
// C++11 features
#ifndef RAPIDJSON_HAS_CXX11
#define RAPIDJSON_HAS_CXX11 (RAPIDJSON_CPLUSPLUS >= 201103L)
#endif
#ifndef RAPIDJSON_HAS_CXX11_RVALUE_REFS
#if defined(__clang__)
#if RAPIDJSON_HAS_CXX11
#define RAPIDJSON_HAS_CXX11_RVALUE_REFS 1
#elif defined(__clang__)
#if __has_feature(cxx_rvalue_references) && \
(defined(_MSC_VER) || defined(_LIBCPP_VERSION) || defined(__GLIBCXX__) && __GLIBCXX__ >= 20080306)
#define RAPIDJSON_HAS_CXX11_RVALUE_REFS 1
@ -559,8 +596,14 @@ RAPIDJSON_NAMESPACE_END
#endif
#endif // RAPIDJSON_HAS_CXX11_RVALUE_REFS
#if RAPIDJSON_HAS_CXX11_RVALUE_REFS
#include <utility> // std::move
#endif
#ifndef RAPIDJSON_HAS_CXX11_NOEXCEPT
#if defined(__clang__)
#if RAPIDJSON_HAS_CXX11
#define RAPIDJSON_HAS_CXX11_NOEXCEPT 1
#elif defined(__clang__)
#define RAPIDJSON_HAS_CXX11_NOEXCEPT __has_feature(cxx_noexcept)
#elif (defined(RAPIDJSON_GNUC) && (RAPIDJSON_GNUC >= RAPIDJSON_VERSION_CODE(4,6,0)) && defined(__GXX_EXPERIMENTAL_CXX0X__)) || \
(defined(_MSC_VER) && _MSC_VER >= 1900) || \
@ -570,11 +613,13 @@ RAPIDJSON_NAMESPACE_END
#define RAPIDJSON_HAS_CXX11_NOEXCEPT 0
#endif
#endif
#ifndef RAPIDJSON_NOEXCEPT
#if RAPIDJSON_HAS_CXX11_NOEXCEPT
#define RAPIDJSON_NOEXCEPT noexcept
#else
#define RAPIDJSON_NOEXCEPT /* noexcept */
#define RAPIDJSON_NOEXCEPT throw()
#endif // RAPIDJSON_HAS_CXX11_NOEXCEPT
#endif
// no automatic detection, yet
#ifndef RAPIDJSON_HAS_CXX11_TYPETRAITS
@ -600,9 +645,17 @@ RAPIDJSON_NAMESPACE_END
///////////////////////////////////////////////////////////////////////////////
// C++17 features
#if defined(__has_cpp_attribute)
# if __has_cpp_attribute(fallthrough)
# define RAPIDJSON_DELIBERATE_FALLTHROUGH [[fallthrough]]
#ifndef RAPIDJSON_HAS_CXX17
#define RAPIDJSON_HAS_CXX17 (RAPIDJSON_CPLUSPLUS >= 201703L)
#endif
#if RAPIDJSON_HAS_CXX17
# define RAPIDJSON_DELIBERATE_FALLTHROUGH [[fallthrough]]
#elif defined(__has_cpp_attribute)
# if __has_cpp_attribute(clang::fallthrough)
# define RAPIDJSON_DELIBERATE_FALLTHROUGH [[clang::fallthrough]]
# elif __has_cpp_attribute(fallthrough)
# define RAPIDJSON_DELIBERATE_FALLTHROUGH __attribute__((fallthrough))
# else
# define RAPIDJSON_DELIBERATE_FALLTHROUGH
# endif
@ -628,12 +681,8 @@ RAPIDJSON_NAMESPACE_END
#ifndef RAPIDJSON_NOEXCEPT_ASSERT
#ifdef RAPIDJSON_ASSERT_THROWS
#if RAPIDJSON_HAS_CXX11_NOEXCEPT
#define RAPIDJSON_NOEXCEPT_ASSERT(x)
#else
#include <cassert>
#define RAPIDJSON_NOEXCEPT_ASSERT(x) assert(x)
#endif // RAPIDJSON_HAS_CXX11_NOEXCEPT
#else
#define RAPIDJSON_NOEXCEPT_ASSERT(x) RAPIDJSON_ASSERT(x)
#endif // RAPIDJSON_ASSERT_THROWS
@ -682,7 +731,7 @@ enum Type {
kFalseType = 1, //!< false
kTrueType = 2, //!< true
kObjectType = 3, //!< object
kArrayType = 4, //!< array
kArrayType = 4, //!< array
kStringType = 5, //!< string
kNumberType = 6 //!< number
};

View File

@ -1404,11 +1404,11 @@ private:
}
#endif // RAPIDJSON_NEON
template<typename InputStream, bool backup, bool pushOnTake>
template<typename InputStream, typename StackCharacter, bool backup, bool pushOnTake>
class NumberStream;
template<typename InputStream>
class NumberStream<InputStream, false, false> {
template<typename InputStream, typename StackCharacter>
class NumberStream<InputStream, StackCharacter, false, false> {
public:
typedef typename InputStream::Ch Ch;
@ -1421,7 +1421,7 @@ private:
size_t Tell() { return is.Tell(); }
size_t Length() { return 0; }
const char* Pop() { return 0; }
const StackCharacter* Pop() { return 0; }
protected:
NumberStream& operator=(const NumberStream&);
@ -1429,45 +1429,47 @@ private:
InputStream& is;
};
template<typename InputStream>
class NumberStream<InputStream, true, false> : public NumberStream<InputStream, false, false> {
typedef NumberStream<InputStream, false, false> Base;
template<typename InputStream, typename StackCharacter>
class NumberStream<InputStream, StackCharacter, true, false> : public NumberStream<InputStream, StackCharacter, false, false> {
typedef NumberStream<InputStream, StackCharacter, false, false> Base;
public:
NumberStream(GenericReader& reader, InputStream& is) : Base(reader, is), stackStream(reader.stack_) {}
NumberStream(GenericReader& reader, InputStream& s) : Base(reader, s), stackStream(reader.stack_) {}
RAPIDJSON_FORCEINLINE Ch TakePush() {
stackStream.Put(static_cast<char>(Base::is.Peek()));
stackStream.Put(static_cast<StackCharacter>(Base::is.Peek()));
return Base::is.Take();
}
RAPIDJSON_FORCEINLINE void Push(char c) {
RAPIDJSON_FORCEINLINE void Push(StackCharacter c) {
stackStream.Put(c);
}
size_t Length() { return stackStream.Length(); }
const char* Pop() {
const StackCharacter* Pop() {
stackStream.Put('\0');
return stackStream.Pop();
}
private:
StackStream<char> stackStream;
StackStream<StackCharacter> stackStream;
};
template<typename InputStream>
class NumberStream<InputStream, true, true> : public NumberStream<InputStream, true, false> {
typedef NumberStream<InputStream, true, false> Base;
template<typename InputStream, typename StackCharacter>
class NumberStream<InputStream, StackCharacter, true, true> : public NumberStream<InputStream, StackCharacter, true, false> {
typedef NumberStream<InputStream, StackCharacter, true, false> Base;
public:
NumberStream(GenericReader& reader, InputStream& is) : Base(reader, is) {}
NumberStream(GenericReader& reader, InputStream& s) : Base(reader, s) {}
RAPIDJSON_FORCEINLINE Ch Take() { return Base::TakePush(); }
};
template<unsigned parseFlags, typename InputStream, typename Handler>
void ParseNumber(InputStream& is, Handler& handler) {
typedef typename internal::SelectIf<internal::BoolType<(parseFlags & kParseNumbersAsStringsFlag) != 0>, typename TargetEncoding::Ch, char>::Type NumberCharacter;
internal::StreamLocalCopy<InputStream> copy(is);
NumberStream<InputStream,
NumberStream<InputStream, NumberCharacter,
((parseFlags & kParseNumbersAsStringsFlag) != 0) ?
((parseFlags & kParseInsituFlag) == 0) :
((parseFlags & kParseFullPrecisionFlag) != 0),
@ -1692,10 +1694,10 @@ private:
}
else {
SizeType numCharsToCopy = static_cast<SizeType>(s.Length());
StringStream srcStream(s.Pop());
GenericStringStream<UTF8<NumberCharacter> > srcStream(s.Pop());
StackStream<typename TargetEncoding::Ch> dstStream(stack_);
while (numCharsToCopy--) {
Transcoder<UTF8<>, TargetEncoding>::Transcode(srcStream, dstStream);
Transcoder<UTF8<typename TargetEncoding::Ch>, TargetEncoding>::Transcode(srcStream, dstStream);
}
dstStream.Put('\0');
const typename TargetEncoding::Ch* str = dstStream.Pop();
@ -1705,7 +1707,7 @@ private:
}
else {
size_t length = s.Length();
const char* decimal = s.Pop(); // Pop stack no matter if it will be used or not.
const NumberCharacter* decimal = s.Pop(); // Pop stack no matter if it will be used or not.
if (useDouble) {
int p = exp + expFrac;

File diff suppressed because it is too large Load Diff

View File

@ -0,0 +1,481 @@
// Tencent is pleased to support the open source community by making RapidJSON available.
//
// (C) Copyright IBM Corporation 2021
//
// Licensed under the MIT License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
#ifndef RAPIDJSON_URI_H_
#define RAPIDJSON_URI_H_
#include "internal/strfunc.h"
#if defined(__clang__)
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(c++98-compat)
#elif defined(_MSC_VER)
RAPIDJSON_DIAG_OFF(4512) // assignment operator could not be generated
#endif
RAPIDJSON_NAMESPACE_BEGIN
///////////////////////////////////////////////////////////////////////////////
// GenericUri
template <typename ValueType, typename Allocator=CrtAllocator>
class GenericUri {
public:
typedef typename ValueType::Ch Ch;
#if RAPIDJSON_HAS_STDSTRING
typedef std::basic_string<Ch> String;
#endif
//! Constructors
GenericUri(Allocator* allocator = 0) : uri_(), base_(), scheme_(), auth_(), path_(), query_(), frag_(), allocator_(allocator), ownAllocator_() {
}
GenericUri(const Ch* uri, SizeType len, Allocator* allocator = 0) : uri_(), base_(), scheme_(), auth_(), path_(), query_(), frag_(), allocator_(allocator), ownAllocator_() {
Parse(uri, len);
}
GenericUri(const Ch* uri, Allocator* allocator = 0) : uri_(), base_(), scheme_(), auth_(), path_(), query_(), frag_(), allocator_(allocator), ownAllocator_() {
Parse(uri, internal::StrLen<Ch>(uri));
}
// Use with specializations of GenericValue
template<typename T> GenericUri(const T& uri, Allocator* allocator = 0) : uri_(), base_(), scheme_(), auth_(), path_(), query_(), frag_(), allocator_(allocator), ownAllocator_() {
const Ch* u = uri.template Get<const Ch*>(); // TypeHelper from document.h
Parse(u, internal::StrLen<Ch>(u));
}
#if RAPIDJSON_HAS_STDSTRING
GenericUri(const String& uri, Allocator* allocator = 0) : uri_(), base_(), scheme_(), auth_(), path_(), query_(), frag_(), allocator_(allocator), ownAllocator_() {
Parse(uri.c_str(), internal::StrLen<Ch>(uri.c_str()));
}
#endif
//! Copy constructor
GenericUri(const GenericUri& rhs) : uri_(), base_(), scheme_(), auth_(), path_(), query_(), frag_(), allocator_(), ownAllocator_() {
*this = rhs;
}
//! Copy constructor
GenericUri(const GenericUri& rhs, Allocator* allocator) : uri_(), base_(), scheme_(), auth_(), path_(), query_(), frag_(), allocator_(allocator), ownAllocator_() {
*this = rhs;
}
//! Destructor.
~GenericUri() {
Free();
RAPIDJSON_DELETE(ownAllocator_);
}
//! Assignment operator
GenericUri& operator=(const GenericUri& rhs) {
if (this != &rhs) {
// Do not delete ownAllocator
Free();
Allocate(rhs.GetStringLength());
auth_ = CopyPart(scheme_, rhs.scheme_, rhs.GetSchemeStringLength());
path_ = CopyPart(auth_, rhs.auth_, rhs.GetAuthStringLength());
query_ = CopyPart(path_, rhs.path_, rhs.GetPathStringLength());
frag_ = CopyPart(query_, rhs.query_, rhs.GetQueryStringLength());
base_ = CopyPart(frag_, rhs.frag_, rhs.GetFragStringLength());
uri_ = CopyPart(base_, rhs.base_, rhs.GetBaseStringLength());
CopyPart(uri_, rhs.uri_, rhs.GetStringLength());
}
return *this;
}
//! Getters
// Use with specializations of GenericValue
template<typename T> void Get(T& uri, Allocator& allocator) {
uri.template Set<const Ch*>(this->GetString(), allocator); // TypeHelper from document.h
}
const Ch* GetString() const { return uri_; }
SizeType GetStringLength() const { return uri_ == 0 ? 0 : internal::StrLen<Ch>(uri_); }
const Ch* GetBaseString() const { return base_; }
SizeType GetBaseStringLength() const { return base_ == 0 ? 0 : internal::StrLen<Ch>(base_); }
const Ch* GetSchemeString() const { return scheme_; }
SizeType GetSchemeStringLength() const { return scheme_ == 0 ? 0 : internal::StrLen<Ch>(scheme_); }
const Ch* GetAuthString() const { return auth_; }
SizeType GetAuthStringLength() const { return auth_ == 0 ? 0 : internal::StrLen<Ch>(auth_); }
const Ch* GetPathString() const { return path_; }
SizeType GetPathStringLength() const { return path_ == 0 ? 0 : internal::StrLen<Ch>(path_); }
const Ch* GetQueryString() const { return query_; }
SizeType GetQueryStringLength() const { return query_ == 0 ? 0 : internal::StrLen<Ch>(query_); }
const Ch* GetFragString() const { return frag_; }
SizeType GetFragStringLength() const { return frag_ == 0 ? 0 : internal::StrLen<Ch>(frag_); }
#if RAPIDJSON_HAS_STDSTRING
static String Get(const GenericUri& uri) { return String(uri.GetString(), uri.GetStringLength()); }
static String GetBase(const GenericUri& uri) { return String(uri.GetBaseString(), uri.GetBaseStringLength()); }
static String GetScheme(const GenericUri& uri) { return String(uri.GetSchemeString(), uri.GetSchemeStringLength()); }
static String GetAuth(const GenericUri& uri) { return String(uri.GetAuthString(), uri.GetAuthStringLength()); }
static String GetPath(const GenericUri& uri) { return String(uri.GetPathString(), uri.GetPathStringLength()); }
static String GetQuery(const GenericUri& uri) { return String(uri.GetQueryString(), uri.GetQueryStringLength()); }
static String GetFrag(const GenericUri& uri) { return String(uri.GetFragString(), uri.GetFragStringLength()); }
#endif
//! Equality operators
bool operator==(const GenericUri& rhs) const {
return Match(rhs, true);
}
bool operator!=(const GenericUri& rhs) const {
return !Match(rhs, true);
}
bool Match(const GenericUri& uri, bool full = true) const {
Ch* s1;
Ch* s2;
if (full) {
s1 = uri_;
s2 = uri.uri_;
} else {
s1 = base_;
s2 = uri.base_;
}
if (s1 == s2) return true;
if (s1 == 0 || s2 == 0) return false;
return internal::StrCmp<Ch>(s1, s2) == 0;
}
//! Resolve this URI against another (base) URI in accordance with URI resolution rules.
// See https://tools.ietf.org/html/rfc3986
// Use for resolving an id or $ref with an in-scope id.
// Returns a new GenericUri for the resolved URI.
GenericUri Resolve(const GenericUri& baseuri, Allocator* allocator = 0) {
GenericUri resuri;
resuri.allocator_ = allocator;
// Ensure enough space for combining paths
resuri.Allocate(GetStringLength() + baseuri.GetStringLength() + 1); // + 1 for joining slash
if (!(GetSchemeStringLength() == 0)) {
// Use all of this URI
resuri.auth_ = CopyPart(resuri.scheme_, scheme_, GetSchemeStringLength());
resuri.path_ = CopyPart(resuri.auth_, auth_, GetAuthStringLength());
resuri.query_ = CopyPart(resuri.path_, path_, GetPathStringLength());
resuri.frag_ = CopyPart(resuri.query_, query_, GetQueryStringLength());
resuri.RemoveDotSegments();
} else {
// Use the base scheme
resuri.auth_ = CopyPart(resuri.scheme_, baseuri.scheme_, baseuri.GetSchemeStringLength());
if (!(GetAuthStringLength() == 0)) {
// Use this auth, path, query
resuri.path_ = CopyPart(resuri.auth_, auth_, GetAuthStringLength());
resuri.query_ = CopyPart(resuri.path_, path_, GetPathStringLength());
resuri.frag_ = CopyPart(resuri.query_, query_, GetQueryStringLength());
resuri.RemoveDotSegments();
} else {
// Use the base auth
resuri.path_ = CopyPart(resuri.auth_, baseuri.auth_, baseuri.GetAuthStringLength());
if (GetPathStringLength() == 0) {
// Use the base path
resuri.query_ = CopyPart(resuri.path_, baseuri.path_, baseuri.GetPathStringLength());
if (GetQueryStringLength() == 0) {
// Use the base query
resuri.frag_ = CopyPart(resuri.query_, baseuri.query_, baseuri.GetQueryStringLength());
} else {
// Use this query
resuri.frag_ = CopyPart(resuri.query_, query_, GetQueryStringLength());
}
} else {
if (path_[0] == '/') {
// Absolute path - use all of this path
resuri.query_ = CopyPart(resuri.path_, path_, GetPathStringLength());
resuri.RemoveDotSegments();
} else {
// Relative path - append this path to base path after base path's last slash
size_t pos = 0;
if (!(baseuri.GetAuthStringLength() == 0) && baseuri.GetPathStringLength() == 0) {
resuri.path_[pos] = '/';
pos++;
}
size_t lastslashpos = baseuri.GetPathStringLength();
while (lastslashpos > 0) {
if (baseuri.path_[lastslashpos - 1] == '/') break;
lastslashpos--;
}
std::memcpy(&resuri.path_[pos], baseuri.path_, lastslashpos * sizeof(Ch));
pos += lastslashpos;
resuri.query_ = CopyPart(&resuri.path_[pos], path_, GetPathStringLength());
resuri.RemoveDotSegments();
}
// Use this query
resuri.frag_ = CopyPart(resuri.query_, query_, GetQueryStringLength());
}
}
}
// Always use this frag
resuri.base_ = CopyPart(resuri.frag_, frag_, GetFragStringLength());
// Re-constitute base_ and uri_
resuri.SetBase();
resuri.uri_ = resuri.base_ + resuri.GetBaseStringLength() + 1;
resuri.SetUri();
return resuri;
}
//! Get the allocator of this GenericUri.
Allocator& GetAllocator() { return *allocator_; }
private:
// Allocate memory for a URI
// Returns total amount allocated
std::size_t Allocate(std::size_t len) {
// Create own allocator if user did not supply.
if (!allocator_)
ownAllocator_ = allocator_ = RAPIDJSON_NEW(Allocator)();
// Allocate one block containing each part of the URI (5) plus base plus full URI, all null terminated.
// Order: scheme, auth, path, query, frag, base, uri
// Note need to set, increment, assign in 3 stages to avoid compiler warning bug.
size_t total = (3 * len + 7) * sizeof(Ch);
scheme_ = static_cast<Ch*>(allocator_->Malloc(total));
*scheme_ = '\0';
auth_ = scheme_;
auth_++;
*auth_ = '\0';
path_ = auth_;
path_++;
*path_ = '\0';
query_ = path_;
query_++;
*query_ = '\0';
frag_ = query_;
frag_++;
*frag_ = '\0';
base_ = frag_;
base_++;
*base_ = '\0';
uri_ = base_;
uri_++;
*uri_ = '\0';
return total;
}
// Free memory for a URI
void Free() {
if (scheme_) {
Allocator::Free(scheme_);
scheme_ = 0;
}
}
// Parse a URI into constituent scheme, authority, path, query, & fragment parts
// Supports URIs that match regex ^(([^:/?#]+):)?(//([^/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))? as per
// https://tools.ietf.org/html/rfc3986
void Parse(const Ch* uri, std::size_t len) {
std::size_t start = 0, pos1 = 0, pos2 = 0;
Allocate(len);
// Look for scheme ([^:/?#]+):)?
if (start < len) {
while (pos1 < len) {
if (uri[pos1] == ':') break;
pos1++;
}
if (pos1 != len) {
while (pos2 < len) {
if (uri[pos2] == '/') break;
if (uri[pos2] == '?') break;
if (uri[pos2] == '#') break;
pos2++;
}
if (pos1 < pos2) {
pos1++;
std::memcpy(scheme_, &uri[start], pos1 * sizeof(Ch));
scheme_[pos1] = '\0';
start = pos1;
}
}
}
// Look for auth (//([^/?#]*))?
// Note need to set, increment, assign in 3 stages to avoid compiler warning bug.
auth_ = scheme_ + GetSchemeStringLength();
auth_++;
*auth_ = '\0';
if (start < len - 1 && uri[start] == '/' && uri[start + 1] == '/') {
pos2 = start + 2;
while (pos2 < len) {
if (uri[pos2] == '/') break;
if (uri[pos2] == '?') break;
if (uri[pos2] == '#') break;
pos2++;
}
std::memcpy(auth_, &uri[start], (pos2 - start) * sizeof(Ch));
auth_[pos2 - start] = '\0';
start = pos2;
}
// Look for path ([^?#]*)
// Note need to set, increment, assign in 3 stages to avoid compiler warning bug.
path_ = auth_ + GetAuthStringLength();
path_++;
*path_ = '\0';
if (start < len) {
pos2 = start;
while (pos2 < len) {
if (uri[pos2] == '?') break;
if (uri[pos2] == '#') break;
pos2++;
}
if (start != pos2) {
std::memcpy(path_, &uri[start], (pos2 - start) * sizeof(Ch));
path_[pos2 - start] = '\0';
if (path_[0] == '/')
RemoveDotSegments(); // absolute path - normalize
start = pos2;
}
}
// Look for query (\?([^#]*))?
// Note need to set, increment, assign in 3 stages to avoid compiler warning bug.
query_ = path_ + GetPathStringLength();
query_++;
*query_ = '\0';
if (start < len && uri[start] == '?') {
pos2 = start + 1;
while (pos2 < len) {
if (uri[pos2] == '#') break;
pos2++;
}
if (start != pos2) {
std::memcpy(query_, &uri[start], (pos2 - start) * sizeof(Ch));
query_[pos2 - start] = '\0';
start = pos2;
}
}
// Look for fragment (#(.*))?
// Note need to set, increment, assign in 3 stages to avoid compiler warning bug.
frag_ = query_ + GetQueryStringLength();
frag_++;
*frag_ = '\0';
if (start < len && uri[start] == '#') {
std::memcpy(frag_, &uri[start], (len - start) * sizeof(Ch));
frag_[len - start] = '\0';
}
// Re-constitute base_ and uri_
base_ = frag_ + GetFragStringLength() + 1;
SetBase();
uri_ = base_ + GetBaseStringLength() + 1;
SetUri();
}
// Reconstitute base
void SetBase() {
Ch* next = base_;
std::memcpy(next, scheme_, GetSchemeStringLength() * sizeof(Ch));
next+= GetSchemeStringLength();
std::memcpy(next, auth_, GetAuthStringLength() * sizeof(Ch));
next+= GetAuthStringLength();
std::memcpy(next, path_, GetPathStringLength() * sizeof(Ch));
next+= GetPathStringLength();
std::memcpy(next, query_, GetQueryStringLength() * sizeof(Ch));
next+= GetQueryStringLength();
*next = '\0';
}
// Reconstitute uri
void SetUri() {
Ch* next = uri_;
std::memcpy(next, base_, GetBaseStringLength() * sizeof(Ch));
next+= GetBaseStringLength();
std::memcpy(next, frag_, GetFragStringLength() * sizeof(Ch));
next+= GetFragStringLength();
*next = '\0';
}
// Copy a part from one GenericUri to another
// Return the pointer to the next part to be copied to
Ch* CopyPart(Ch* to, Ch* from, std::size_t len) {
RAPIDJSON_ASSERT(to != 0);
RAPIDJSON_ASSERT(from != 0);
std::memcpy(to, from, len * sizeof(Ch));
to[len] = '\0';
Ch* next = to + len + 1;
return next;
}
// Remove . and .. segments from the path_ member.
// https://tools.ietf.org/html/rfc3986
// This is done in place as we are only removing segments.
void RemoveDotSegments() {
std::size_t pathlen = GetPathStringLength();
std::size_t pathpos = 0; // Position in path_
std::size_t newpos = 0; // Position in new path_
// Loop through each segment in original path_
while (pathpos < pathlen) {
// Get next segment, bounded by '/' or end
size_t slashpos = 0;
while ((pathpos + slashpos) < pathlen) {
if (path_[pathpos + slashpos] == '/') break;
slashpos++;
}
// Check for .. and . segments
if (slashpos == 2 && path_[pathpos] == '.' && path_[pathpos + 1] == '.') {
// Backup a .. segment in the new path_
// We expect to find a previously added slash at the end or nothing
RAPIDJSON_ASSERT(newpos == 0 || path_[newpos - 1] == '/');
size_t lastslashpos = newpos;
// Make sure we don't go beyond the start segment
if (lastslashpos > 1) {
// Find the next to last slash and back up to it
lastslashpos--;
while (lastslashpos > 0) {
if (path_[lastslashpos - 1] == '/') break;
lastslashpos--;
}
// Set the new path_ position
newpos = lastslashpos;
}
} else if (slashpos == 1 && path_[pathpos] == '.') {
// Discard . segment, leaves new path_ unchanged
} else {
// Move any other kind of segment to the new path_
RAPIDJSON_ASSERT(newpos <= pathpos);
std::memmove(&path_[newpos], &path_[pathpos], slashpos * sizeof(Ch));
newpos += slashpos;
// Add slash if not at end
if ((pathpos + slashpos) < pathlen) {
path_[newpos] = '/';
newpos++;
}
}
// Move to next segment
pathpos += slashpos + 1;
}
path_[newpos] = '\0';
}
Ch* uri_; // Everything
Ch* base_; // Everything except fragment
Ch* scheme_; // Includes the :
Ch* auth_; // Includes the //
Ch* path_; // Absolute if starts with /
Ch* query_; // Includes the ?
Ch* frag_; // Includes the #
Allocator* allocator_; //!< The current allocator. It is either user-supplied or equal to ownAllocator_.
Allocator* ownAllocator_; //!< Allocator owned by this Uri.
};
//! GenericUri for Value (UTF-8, default allocator).
typedef GenericUri<Value> Uri;
RAPIDJSON_NAMESPACE_END
#if defined(__clang__)
RAPIDJSON_DIAG_POP
#endif
#endif // RAPIDJSON_URI_H_

View File

@ -67,6 +67,7 @@ enum WriteFlag {
kWriteNoFlags = 0, //!< No flags are set.
kWriteValidateEncodingFlag = 1, //!< Validate encoding of JSON strings.
kWriteNanAndInfFlag = 2, //!< Allow writing of Infinity, -Infinity and NaN.
kWriteNanAndInfNullFlag = 4, //!< Allow writing of Infinity, -Infinity and NaN as null.
kWriteDefaultFlags = RAPIDJSON_WRITE_DEFAULT_FLAGS //!< Default write flags. Can be customized by defining RAPIDJSON_WRITE_DEFAULT_FLAGS
};
@ -348,8 +349,13 @@ protected:
bool WriteDouble(double d) {
if (internal::Double(d).IsNanOrInf()) {
if (!(writeFlags & kWriteNanAndInfFlag))
if (!(writeFlags & kWriteNanAndInfFlag) && !(writeFlags & kWriteNanAndInfNullFlag))
return false;
if (writeFlags & kWriteNanAndInfNullFlag) {
PutReserve(*os_, 4);
PutUnsafe(*os_, 'n'); PutUnsafe(*os_, 'u'); PutUnsafe(*os_, 'l'); PutUnsafe(*os_, 'l');
return true;
}
if (internal::Double(d).IsNan()) {
PutReserve(*os_, 3);
PutUnsafe(*os_, 'N'); PutUnsafe(*os_, 'a'); PutUnsafe(*os_, 'N');
@ -548,6 +554,11 @@ inline bool Writer<StringBuffer>::WriteDouble(double d) {
// Note: This code path can only be reached if (RAPIDJSON_WRITE_DEFAULT_FLAGS & kWriteNanAndInfFlag).
if (!(kWriteDefaultFlags & kWriteNanAndInfFlag))
return false;
if (kWriteDefaultFlags & kWriteNanAndInfNullFlag) {
PutReserve(*os_, 4);
PutUnsafe(*os_, 'n'); PutUnsafe(*os_, 'u'); PutUnsafe(*os_, 'l'); PutUnsafe(*os_, 'l');
return true;
}
if (internal::Double(d).IsNan()) {
PutReserve(*os_, 3);
PutUnsafe(*os_, 'N'); PutUnsafe(*os_, 'a'); PutUnsafe(*os_, 'N');

View File

@ -6,7 +6,7 @@
Tencent is pleased to support the open source community by making RapidJSON available.
Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip.
* [RapidJSON GitHub](https://github.com/Tencent/rapidjson/)
* RapidJSON Documentation
@ -43,7 +43,7 @@ RapidJSON is a JSON parser and generator for C++. It was inspired by [RapidXml](
More features can be read [here](doc/features.md).
JSON(JavaScript Object Notation) is a light-weight data exchange format. RapidJSON should be in fully compliance with RFC7159/ECMA-404, with optional support of relaxed syntax. More information about JSON can be obtained at
JSON(JavaScript Object Notation) is a light-weight data exchange format. RapidJSON should be in full compliance with RFC7159/ECMA-404, with optional support of relaxed syntax. More information about JSON can be obtained at
* [Introducing JSON](http://json.org/)
* [RFC7159: The JavaScript Object Notation (JSON) Data Interchange Format](https://tools.ietf.org/html/rfc7159)
* [Standard ECMA-404: The JSON Data Interchange Format](https://www.ecma-international.org/publications/standards/Ecma-404.htm)
@ -72,6 +72,9 @@ Users can build and run the unit tests on their platform/compiler.
RapidJSON is a header-only C++ library. Just copy the `include/rapidjson` folder to system or project's include path.
Alternatively, if you are using the [vcpkg](https://github.com/Microsoft/vcpkg/) dependency manager you can download and install rapidjson with CMake integration in a single command:
* vcpkg install rapidjson
RapidJSON uses following software as its dependencies:
* [CMake](https://cmake.org/) as a general build tool
* (optional) [Doxygen](http://www.doxygen.org) to build documentation
@ -158,3 +161,50 @@ More [examples](https://github.com/Tencent/rapidjson/tree/master/example) are av
* [parsebyparts](https://github.com/Tencent/rapidjson/blob/master/example/parsebyparts/parsebyparts.cpp): Implements an `AsyncDocumentParser` which can parse JSON in parts, using C++11 thread.
* [filterkey](https://github.com/Tencent/rapidjson/blob/master/example/filterkey/filterkey.cpp): A command line tool to remove all values with user-specified key.
* [filterkeydom](https://github.com/Tencent/rapidjson/blob/master/example/filterkeydom/filterkeydom.cpp): Same tool as above, but it demonstrates how to use a generator to populate a `Document`.
## Contributing
RapidJSON welcomes contributions. When contributing, please follow the code below.
### Issues
Feel free to submit issues and enhancement requests.
Please help us by providing **minimal reproducible examples**, because source code is easier to let other people understand what happens.
For crash problems on certain platforms, please bring stack dump content with the detail of the OS, compiler, etc.
Please try breakpoint debugging first, tell us what you found, see if we can start exploring based on more information been prepared.
### Workflow
In general, we follow the "fork-and-pull" Git workflow.
1. **Fork** the repo on GitHub
2. **Clone** the project to your own machine
3. **Checkout** a new branch on your fork, start developing on the branch
4. **Test** the change before commit, Make sure the changes pass all the tests, including `unittest` and `preftest`, please add test case for each new feature or bug-fix if needed.
5. **Commit** changes to your own branch
6. **Push** your work back up to your fork
7. Submit a **Pull request** so that we can review your changes
NOTE: Be sure to merge the latest from "upstream" before making a pull request!
### Copyright and Licensing
You can copy and paste the license summary from below.
```
Tencent is pleased to support the open source community by making RapidJSON available.
Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip.
Licensed under the MIT License (the "License"); you may not use this file except
in compliance with the License. You may obtain a copy of the License at
http://opensource.org/licenses/MIT
Unless required by applicable law or agreed to in writing, software distributed
under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
CONDITIONS OF ANY KIND, either express or implied. See the License for the
specific language governing permissions and limitations under the License.
```