WLED/wled00/src/dependencies/json/ArduinoJson-v6.h
2021-07-04 18:52:05 +02:00

7340 lines
217 KiB
C++

// ArduinoJson - https://arduinojson.org
// Copyright Benoit Blanchon 2014-2021
// MIT License
#pragma once
#ifdef __cplusplus
#if __cplusplus >= 201103L
# define ARDUINOJSON_HAS_LONG_LONG 1
# define ARDUINOJSON_HAS_RVALUE_REFERENCES 1
#else
# define ARDUINOJSON_HAS_LONG_LONG 0
# define ARDUINOJSON_HAS_RVALUE_REFERENCES 0
#endif
#ifndef ARDUINOJSON_HAS_NULLPTR
# if __cplusplus >= 201103L
# define ARDUINOJSON_HAS_NULLPTR 1
# else
# define ARDUINOJSON_HAS_NULLPTR 0
# endif
#endif
#if defined(_MSC_VER) && !ARDUINOJSON_HAS_LONG_LONG
# define ARDUINOJSON_HAS_INT64 1
#else
# define ARDUINOJSON_HAS_INT64 0
#endif
#ifndef ARDUINOJSON_EMBEDDED_MODE
# if defined(ARDUINO) /* Arduino*/ \
|| defined(__IAR_SYSTEMS_ICC__) /* IAR Embedded Workbench */ \
|| defined(__XC) /* MPLAB XC compiler */ \
|| defined(__ARMCC_VERSION) /* Keil ARM Compiler */ \
|| defined(__AVR) /* Atmel AVR8/GNU C Compiler */
# define ARDUINOJSON_EMBEDDED_MODE 1
# else
# define ARDUINOJSON_EMBEDDED_MODE 0
# endif
#endif
#if !defined(ARDUINOJSON_ENABLE_STD_STREAM) && defined(__has_include)
# if __has_include(<istream>) && \
__has_include(<ostream>) && \
!defined(min) && \
!defined(max)
# define ARDUINOJSON_ENABLE_STD_STREAM 1
# else
# define ARDUINOJSON_ENABLE_STD_STREAM 0
# endif
#endif
#if !defined(ARDUINOJSON_ENABLE_STD_STRING) && defined(__has_include)
# if __has_include(<string>) && !defined(min) && !defined(max)
# define ARDUINOJSON_ENABLE_STD_STRING 1
# else
# define ARDUINOJSON_ENABLE_STD_STRING 0
# endif
#endif
#ifndef ARDUINOJSON_ENABLE_STRING_VIEW
# ifdef __has_include
# if __has_include(<string_view>) && __cplusplus >= 201703L
# define ARDUINOJSON_ENABLE_STRING_VIEW 1
# endif
# endif
#endif
#ifndef ARDUINOJSON_ENABLE_STRING_VIEW
# define ARDUINOJSON_ENABLE_STRING_VIEW 0
#endif
#if ARDUINOJSON_EMBEDDED_MODE
# ifndef ARDUINOJSON_USE_DOUBLE
# define ARDUINOJSON_USE_DOUBLE 0
# endif
# ifndef ARDUINOJSON_USE_LONG_LONG
# define ARDUINOJSON_USE_LONG_LONG 0
# endif
# ifndef ARDUINOJSON_ENABLE_STD_STRING
# define ARDUINOJSON_ENABLE_STD_STRING 0
# endif
# ifndef ARDUINOJSON_ENABLE_STD_STREAM
# define ARDUINOJSON_ENABLE_STD_STREAM 0
# endif
# ifndef ARDUINOJSON_DEFAULT_NESTING_LIMIT
# define ARDUINOJSON_DEFAULT_NESTING_LIMIT 10
# endif
# ifndef ARDUINOJSON_SLOT_OFFSET_SIZE
# if defined(__SIZEOF_POINTER__) && __SIZEOF_POINTER__ == 2
# define ARDUINOJSON_SLOT_OFFSET_SIZE 1
# else
# define ARDUINOJSON_SLOT_OFFSET_SIZE 2
# endif
# endif
#else // ARDUINOJSON_EMBEDDED_MODE
# ifndef ARDUINOJSON_USE_DOUBLE
# define ARDUINOJSON_USE_DOUBLE 1
# endif
# ifndef ARDUINOJSON_USE_LONG_LONG
# if ARDUINOJSON_HAS_LONG_LONG || ARDUINOJSON_HAS_INT64
# define ARDUINOJSON_USE_LONG_LONG 1
# else
# define ARDUINOJSON_USE_LONG_LONG 0
# endif
# endif
# ifndef ARDUINOJSON_ENABLE_STD_STRING
# define ARDUINOJSON_ENABLE_STD_STRING 1
# endif
# ifndef ARDUINOJSON_ENABLE_STD_STREAM
# define ARDUINOJSON_ENABLE_STD_STREAM 1
# endif
# ifndef ARDUINOJSON_DEFAULT_NESTING_LIMIT
# define ARDUINOJSON_DEFAULT_NESTING_LIMIT 50
# endif
# ifndef ARDUINOJSON_SLOT_OFFSET_SIZE
# define ARDUINOJSON_SLOT_OFFSET_SIZE 4
# endif
#endif // ARDUINOJSON_EMBEDDED_MODE
#ifdef ARDUINO
#include <Arduino.h>
# ifndef ARDUINOJSON_ENABLE_ARDUINO_STRING
# define ARDUINOJSON_ENABLE_ARDUINO_STRING 1
# endif
# ifndef ARDUINOJSON_ENABLE_ARDUINO_STREAM
# define ARDUINOJSON_ENABLE_ARDUINO_STREAM 1
# endif
# ifndef ARDUINOJSON_ENABLE_ARDUINO_PRINT
# define ARDUINOJSON_ENABLE_ARDUINO_PRINT 1
# endif
#else // ARDUINO
# ifndef ARDUINOJSON_ENABLE_ARDUINO_STRING
# define ARDUINOJSON_ENABLE_ARDUINO_STRING 0
# endif
# ifndef ARDUINOJSON_ENABLE_ARDUINO_STREAM
# define ARDUINOJSON_ENABLE_ARDUINO_STREAM 0
# endif
# ifndef ARDUINOJSON_ENABLE_ARDUINO_PRINT
# define ARDUINOJSON_ENABLE_ARDUINO_PRINT 0
# endif
#endif // ARDUINO
#ifndef ARDUINOJSON_ENABLE_PROGMEM
# if defined(PROGMEM) && defined(pgm_read_byte) && defined(pgm_read_dword) && \
defined(pgm_read_ptr) && defined(pgm_read_float)
# define ARDUINOJSON_ENABLE_PROGMEM 1
# else
# define ARDUINOJSON_ENABLE_PROGMEM 0
# endif
#endif
#ifndef ARDUINOJSON_DECODE_UNICODE
# define ARDUINOJSON_DECODE_UNICODE 1
#endif
#ifndef ARDUINOJSON_ENABLE_COMMENTS
# define ARDUINOJSON_ENABLE_COMMENTS 0
#endif
#ifndef ARDUINOJSON_ENABLE_NAN
# define ARDUINOJSON_ENABLE_NAN 0
#endif
#ifndef ARDUINOJSON_ENABLE_INFINITY
# define ARDUINOJSON_ENABLE_INFINITY 0
#endif
#ifndef ARDUINOJSON_POSITIVE_EXPONENTIATION_THRESHOLD
# define ARDUINOJSON_POSITIVE_EXPONENTIATION_THRESHOLD 1e7
#endif
#ifndef ARDUINOJSON_NEGATIVE_EXPONENTIATION_THRESHOLD
# define ARDUINOJSON_NEGATIVE_EXPONENTIATION_THRESHOLD 1e-5
#endif
#ifndef ARDUINOJSON_LITTLE_ENDIAN
# if defined(_MSC_VER) || \
(defined(__BYTE_ORDER__) && \
__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) || \
defined(__LITTLE_ENDIAN__) || defined(__i386) || defined(__x86_64)
# define ARDUINOJSON_LITTLE_ENDIAN 1
# else
# define ARDUINOJSON_LITTLE_ENDIAN 0
# endif
#endif
#ifndef ARDUINOJSON_ENABLE_ALIGNMENT
# if defined(__AVR)
# define ARDUINOJSON_ENABLE_ALIGNMENT 0
# else
# define ARDUINOJSON_ENABLE_ALIGNMENT 1
# endif
#endif
#ifndef ARDUINOJSON_TAB
# define ARDUINOJSON_TAB " "
#endif
#ifndef ARDUINOJSON_ENABLE_STRING_DEDUPLICATION
# define ARDUINOJSON_ENABLE_STRING_DEDUPLICATION 1
#endif
#ifndef ARDUINOJSON_STRING_BUFFER_SIZE
# define ARDUINOJSON_STRING_BUFFER_SIZE 32
#endif
#ifndef ARDUINOJSON_DEBUG
# ifdef __PLATFORMIO_BUILD_DEBUG__
# define ARDUINOJSON_DEBUG 1
# else
# define ARDUINOJSON_DEBUG 0
# endif
#endif
#if ARDUINOJSON_HAS_NULLPTR && defined(nullptr)
# error nullptr is defined as a macro. Remove the faulty #define or #undef nullptr
#endif
#if !ARDUINOJSON_DEBUG
# ifdef __clang__
# pragma clang system_header
# elif defined __GNUC__
# pragma GCC system_header
# endif
#endif
#define ARDUINOJSON_EXPAND6(a, b, c, d, e, f) a, b, c, d, e, f
#define ARDUINOJSON_EXPAND9(a, b, c, d, e, f, g, h, i) a, b, c, d, e, f, g, h, i
#define ARDUINOJSON_EXPAND18(a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, \
q, r) \
a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r
#define ARDUINOJSON_CONCAT_(A, B) A##B
#define ARDUINOJSON_CONCAT2(A, B) ARDUINOJSON_CONCAT_(A, B)
#define ARDUINOJSON_CONCAT4(A, B, C, D) \
ARDUINOJSON_CONCAT2(ARDUINOJSON_CONCAT2(A, B), ARDUINOJSON_CONCAT2(C, D))
#define ARDUINOJSON_HEX_DIGIT_0000() 0
#define ARDUINOJSON_HEX_DIGIT_0001() 1
#define ARDUINOJSON_HEX_DIGIT_0010() 2
#define ARDUINOJSON_HEX_DIGIT_0011() 3
#define ARDUINOJSON_HEX_DIGIT_0100() 4
#define ARDUINOJSON_HEX_DIGIT_0101() 5
#define ARDUINOJSON_HEX_DIGIT_0110() 6
#define ARDUINOJSON_HEX_DIGIT_0111() 7
#define ARDUINOJSON_HEX_DIGIT_1000() 8
#define ARDUINOJSON_HEX_DIGIT_1001() 9
#define ARDUINOJSON_HEX_DIGIT_1010() A
#define ARDUINOJSON_HEX_DIGIT_1011() B
#define ARDUINOJSON_HEX_DIGIT_1100() C
#define ARDUINOJSON_HEX_DIGIT_1101() D
#define ARDUINOJSON_HEX_DIGIT_1110() E
#define ARDUINOJSON_HEX_DIGIT_1111() F
#define ARDUINOJSON_HEX_DIGIT_(A, B, C, D) ARDUINOJSON_HEX_DIGIT_##A##B##C##D()
#define ARDUINOJSON_HEX_DIGIT(A, B, C, D) ARDUINOJSON_HEX_DIGIT_(A, B, C, D)
#define ARDUINOJSON_VERSION "6.18.1"
#define ARDUINOJSON_VERSION_MAJOR 6
#define ARDUINOJSON_VERSION_MINOR 18
#define ARDUINOJSON_VERSION_REVISION 1
#ifndef ARDUINOJSON_NAMESPACE
# define ARDUINOJSON_NAMESPACE \
ARDUINOJSON_CONCAT4( \
ARDUINOJSON_CONCAT4(ArduinoJson, ARDUINOJSON_VERSION_MAJOR, \
ARDUINOJSON_VERSION_MINOR, \
ARDUINOJSON_VERSION_REVISION), \
_, \
ARDUINOJSON_HEX_DIGIT( \
ARDUINOJSON_ENABLE_PROGMEM, ARDUINOJSON_USE_LONG_LONG, \
ARDUINOJSON_USE_DOUBLE, ARDUINOJSON_ENABLE_STRING_DEDUPLICATION), \
ARDUINOJSON_HEX_DIGIT( \
ARDUINOJSON_ENABLE_NAN, ARDUINOJSON_ENABLE_INFINITY, \
ARDUINOJSON_ENABLE_COMMENTS, ARDUINOJSON_DECODE_UNICODE))
#endif
#if ARDUINOJSON_DEBUG
#include <assert.h>
# define ARDUINOJSON_ASSERT(X) assert(X)
#else
# define ARDUINOJSON_ASSERT(X) ((void)0)
#endif
#include <stddef.h>
namespace ARDUINOJSON_NAMESPACE {
class MemoryPool;
class VariantData;
class VariantSlot;
class CollectionData {
VariantSlot *_head;
VariantSlot *_tail;
public:
VariantData *addElement(MemoryPool *pool);
VariantData *getElement(size_t index) const;
VariantData *getOrAddElement(size_t index, MemoryPool *pool);
void removeElement(size_t index);
bool equalsArray(const CollectionData &other) const;
template <typename TAdaptedString>
VariantData *addMember(TAdaptedString key, MemoryPool *pool);
template <typename TAdaptedString>
VariantData *getMember(TAdaptedString key) const;
template <typename TAdaptedString>
VariantData *getOrAddMember(TAdaptedString key, MemoryPool *pool);
template <typename TAdaptedString>
void removeMember(TAdaptedString key) {
removeSlot(getSlot(key));
}
template <typename TAdaptedString>
bool containsKey(const TAdaptedString &key) const;
bool equalsObject(const CollectionData &other) const;
void clear();
size_t memoryUsage() const;
size_t nesting() const;
size_t size() const;
VariantSlot *addSlot(MemoryPool *);
void removeSlot(VariantSlot *slot);
bool copyFrom(const CollectionData &src, MemoryPool *pool);
VariantSlot *head() const {
return _head;
}
void movePointers(ptrdiff_t stringDistance, ptrdiff_t variantDistance);
private:
VariantSlot *getSlot(size_t index) const;
template <typename TAdaptedString>
VariantSlot *getSlot(TAdaptedString key) const;
VariantSlot *getPreviousSlot(VariantSlot *) const;
};
inline VariantData *arrayAdd(CollectionData *arr, MemoryPool *pool) {
return arr ? arr->addElement(pool) : 0;
}
template <typename TVisitor>
inline typename TVisitor::result_type arrayAccept(const CollectionData *arr,
TVisitor &visitor) {
if (arr)
return visitor.visitArray(*arr);
else
return visitor.visitNull();
}
inline bool arrayEquals(const CollectionData *lhs, const CollectionData *rhs) {
if (lhs == rhs)
return true;
if (!lhs || !rhs)
return false;
return lhs->equalsArray(*rhs);
}
#if ARDUINOJSON_ENABLE_ALIGNMENT
inline bool isAligned(size_t value) {
const size_t mask = sizeof(void *) - 1;
size_t addr = value;
return (addr & mask) == 0;
}
inline size_t addPadding(size_t bytes) {
const size_t mask = sizeof(void *) - 1;
return (bytes + mask) & ~mask;
}
template <size_t bytes>
struct AddPadding {
static const size_t mask = sizeof(void *) - 1;
static const size_t value = (bytes + mask) & ~mask;
};
#else
inline bool isAligned(size_t) {
return true;
}
inline size_t addPadding(size_t bytes) {
return bytes;
}
template <size_t bytes>
struct AddPadding {
static const size_t value = bytes;
};
#endif
template <typename T>
inline bool isAligned(T *ptr) {
return isAligned(reinterpret_cast<size_t>(ptr));
}
template <typename T>
inline T *addPadding(T *p) {
size_t address = addPadding(reinterpret_cast<size_t>(p));
return reinterpret_cast<T *>(address);
}
template <size_t X, size_t Y, bool MaxIsX = (X > Y)>
struct Max {};
template <size_t X, size_t Y>
struct Max<X, Y, true> {
static const size_t value = X;
};
template <size_t X, size_t Y>
struct Max<X, Y, false> {
static const size_t value = Y;
};
} // namespace ARDUINOJSON_NAMESPACE
#include <string.h>
#include <stdint.h>
namespace ARDUINOJSON_NAMESPACE {
inline int safe_strcmp(const char* a, const char* b) {
if (a == b)
return 0;
if (!a)
return -1;
if (!b)
return 1;
return strcmp(a, b);
}
inline int safe_strncmp(const char* a, const char* b, size_t n) {
if (a == b)
return 0;
if (!a)
return -1;
if (!b)
return 1;
return strncmp(a, b, n);
}
template <bool Condition, class TrueType, class FalseType>
struct conditional {
typedef TrueType type;
};
template <class TrueType, class FalseType>
struct conditional<false, TrueType, FalseType> {
typedef FalseType type;
};
template <bool Condition, typename T = void>
struct enable_if {};
template <typename T>
struct enable_if<true, T> {
typedef T type;
};
template <typename T, T v>
struct integral_constant {
static const T value = v;
};
typedef integral_constant<bool, true> true_type;
typedef integral_constant<bool, false> false_type;
template <typename T>
struct is_array : false_type {};
template <typename T>
struct is_array<T[]> : true_type {};
template <typename T, size_t N>
struct is_array<T[N]> : true_type {};
template <typename TBase, typename TDerived>
class is_base_of {
protected: // <- to avoid GCC's "all member functions in class are private"
typedef char Yes[1];
typedef char No[2];
static Yes &probe(const TBase *);
static No &probe(...);
public:
static const bool value =
sizeof(probe(reinterpret_cast<TDerived *>(0))) == sizeof(Yes);
};
template <typename T>
T declval();
template <typename T>
struct is_class {
protected: // <- to avoid GCC's "all member functions in class are private"
typedef char Yes[1];
typedef char No[2];
template <typename U>
static Yes &probe(void (U::*)(void));
template <typename>
static No &probe(...);
public:
static const bool value = sizeof(probe<T>(0)) == sizeof(Yes);
};
template <typename T>
struct is_const : false_type {};
template <typename T>
struct is_const<const T> : true_type {};
} // namespace ARDUINOJSON_NAMESPACE
#ifdef _MSC_VER
# pragma warning(push)
# pragma warning(disable : 4244)
#endif
#ifdef __ICCARM__
#pragma diag_suppress=Pa093
#endif
namespace ARDUINOJSON_NAMESPACE {
template <typename From, typename To>
struct is_convertible {
protected: // <- to avoid GCC's "all member functions in class are private"
typedef char Yes[1];
typedef char No[2];
static Yes &probe(To);
static No &probe(...);
public:
static const bool value = sizeof(probe(declval<From>())) == sizeof(Yes);
};
} // namespace ARDUINOJSON_NAMESPACE
#ifdef _MSC_VER
# pragma warning(pop)
#endif
#ifdef __ICCARM__
#pragma diag_default=Pa093
#endif
namespace ARDUINOJSON_NAMESPACE {
template <typename T, typename U>
struct is_same : false_type {};
template <typename T>
struct is_same<T, T> : true_type {};
template <typename T>
struct remove_cv {
typedef T type;
};
template <typename T>
struct remove_cv<const T> {
typedef T type;
};
template <typename T>
struct remove_cv<volatile T> {
typedef T type;
};
template <typename T>
struct remove_cv<const volatile T> {
typedef T type;
};
template <class T>
struct is_floating_point
: integral_constant<
bool, //
is_same<float, typename remove_cv<T>::type>::value ||
is_same<double, typename remove_cv<T>::type>::value> {};
template <typename T>
struct is_integral : integral_constant<bool,
is_same<typename remove_cv<T>::type, signed char>::value ||
is_same<typename remove_cv<T>::type, unsigned char>::value ||
is_same<typename remove_cv<T>::type, signed short>::value ||
is_same<typename remove_cv<T>::type, unsigned short>::value ||
is_same<typename remove_cv<T>::type, signed int>::value ||
is_same<typename remove_cv<T>::type, unsigned int>::value ||
is_same<typename remove_cv<T>::type, signed long>::value ||
is_same<typename remove_cv<T>::type, unsigned long>::value ||
#if ARDUINOJSON_HAS_LONG_LONG
is_same<typename remove_cv<T>::type, signed long long>::value ||
is_same<typename remove_cv<T>::type, unsigned long long>::value ||
#endif
#if ARDUINOJSON_HAS_INT64
is_same<typename remove_cv<T>::type, signed __int64>::value ||
is_same<typename remove_cv<T>::type, unsigned __int64>::value ||
#endif
is_same<typename remove_cv<T>::type, char>::value ||
is_same<typename remove_cv<T>::type, bool>::value> {};
template <typename T>
struct is_enum {
static const bool value = is_convertible<T, int>::value &&
!is_class<T>::value && !is_integral<T>::value &&
!is_floating_point<T>::value;
};
template <typename T>
struct is_pointer : false_type {};
template <typename T>
struct is_pointer<T*> : true_type {};
template <typename T>
struct is_signed : integral_constant<bool,
is_same<typename remove_cv<T>::type, char>::value ||
is_same<typename remove_cv<T>::type, signed char>::value ||
is_same<typename remove_cv<T>::type, signed short>::value ||
is_same<typename remove_cv<T>::type, signed int>::value ||
is_same<typename remove_cv<T>::type, signed long>::value ||
#if ARDUINOJSON_HAS_LONG_LONG
is_same<typename remove_cv<T>::type, signed long long>::value ||
#endif
#if ARDUINOJSON_HAS_INT64
is_same<typename remove_cv<T>::type, signed __int64>::value ||
#endif
is_same<typename remove_cv<T>::type, float>::value ||
is_same<typename remove_cv<T>::type, double>::value> {};
template <typename T>
struct is_unsigned : integral_constant<bool,
is_same<typename remove_cv<T>::type, unsigned char>::value ||
is_same<typename remove_cv<T>::type, unsigned short>::value ||
is_same<typename remove_cv<T>::type, unsigned int>::value ||
is_same<typename remove_cv<T>::type, unsigned long>::value ||
#if ARDUINOJSON_HAS_INT64
is_same<typename remove_cv<T>::type, unsigned __int64>::value ||
#endif
#if ARDUINOJSON_HAS_LONG_LONG
is_same<typename remove_cv<T>::type, unsigned long long>::value ||
#endif
is_same<typename remove_cv<T>::type, bool>::value> {};
template <typename T>
struct type_identity {
typedef T type;
};
template <typename T>
struct make_unsigned;
template <>
struct make_unsigned<char> : type_identity<unsigned char> {};
template <>
struct make_unsigned<signed char> : type_identity<unsigned char> {};
template <>
struct make_unsigned<unsigned char> : type_identity<unsigned char> {};
template <>
struct make_unsigned<signed short> : type_identity<unsigned short> {};
template <>
struct make_unsigned<unsigned short> : type_identity<unsigned short> {};
template <>
struct make_unsigned<signed int> : type_identity<unsigned int> {};
template <>
struct make_unsigned<unsigned int> : type_identity<unsigned int> {};
template <>
struct make_unsigned<signed long> : type_identity<unsigned long> {};
template <>
struct make_unsigned<unsigned long> : type_identity<unsigned long> {};
#if ARDUINOJSON_HAS_LONG_LONG
template <>
struct make_unsigned<signed long long> : type_identity<unsigned long long> {};
template <>
struct make_unsigned<unsigned long long> : type_identity<unsigned long long> {};
#endif
#if ARDUINOJSON_HAS_INT64
template <>
struct make_unsigned<signed __int64> : type_identity<unsigned __int64> {};
template <>
struct make_unsigned<unsigned __int64> : type_identity<unsigned __int64> {};
#endif
template <typename T>
struct remove_const {
typedef T type;
};
template <typename T>
struct remove_const<const T> {
typedef T type;
};
template <typename T>
struct remove_reference {
typedef T type;
};
template <typename T>
struct remove_reference<T&> {
typedef T type;
};
template <typename>
struct IsString : false_type {};
template <typename T>
struct IsString<const T> : IsString<T> {};
template <typename T>
struct IsString<T&> : IsString<T> {};
namespace storage_policies {
struct store_by_address {};
struct store_by_copy {};
struct decide_at_runtime {};
} // namespace storage_policies
class ConstRamStringAdapter {
public:
ConstRamStringAdapter(const char* str = 0) : _str(str) {}
int compare(const char* other) const {
return safe_strcmp(_str, other);
}
bool equals(const char* expected) const {
return compare(expected) == 0;
}
bool isNull() const {
return !_str;
}
size_t size() const {
if (!_str)
return 0;
return strlen(_str);
}
const char* data() const {
return _str;
}
typedef storage_policies::store_by_address storage_policy;
protected:
const char* _str;
};
template <>
struct IsString<const char*> : true_type {};
template <int N>
struct IsString<const char[N]> : true_type {};
inline ConstRamStringAdapter adaptString(const char* str) {
return ConstRamStringAdapter(str);
}
class RamStringAdapter : public ConstRamStringAdapter {
public:
RamStringAdapter(const char* str) : ConstRamStringAdapter(str) {}
void copyTo(char* p, size_t n) const {
memcpy(p, _str, n);
}
typedef ARDUINOJSON_NAMESPACE::storage_policies::store_by_copy storage_policy;
};
template <typename TChar>
inline RamStringAdapter adaptString(const TChar* str) {
return RamStringAdapter(reinterpret_cast<const char*>(str));
}
inline RamStringAdapter adaptString(char* str) {
return RamStringAdapter(str);
}
template <typename TChar>
struct IsString<TChar*> {
static const bool value = sizeof(TChar) == 1;
};
template <>
struct IsString<void*> {
static const bool value = false;
};
class SizedRamStringAdapter {
public:
SizedRamStringAdapter(const char* str, size_t n) : _str(str), _size(n) {}
int compare(const char* other) const {
return safe_strncmp(_str, other, _size);
}
bool equals(const char* expected) const {
return compare(expected) == 0;
}
bool isNull() const {
return !_str;
}
void copyTo(char* p, size_t n) const {
memcpy(p, _str, n);
}
size_t size() const {
return _size;
}
typedef storage_policies::store_by_copy storage_policy;
private:
const char* _str;
size_t _size;
};
template <typename TChar>
inline SizedRamStringAdapter adaptString(const TChar* str, size_t size) {
return SizedRamStringAdapter(reinterpret_cast<const char*>(str), size);
}
} // namespace ARDUINOJSON_NAMESPACE
#if ARDUINOJSON_ENABLE_STD_STRING
#include <string>
namespace ARDUINOJSON_NAMESPACE {
template <typename TString>
class StdStringAdapter {
public:
StdStringAdapter(const TString& str) : _str(&str) {}
void copyTo(char* p, size_t n) const {
memcpy(p, _str->c_str(), n);
}
bool isNull() const {
return false;
}
int compare(const char* other) const {
if (!other)
return 1;
return _str->compare(other);
}
bool equals(const char* expected) const {
if (!expected)
return false;
return *_str == expected;
}
size_t size() const {
return _str->size();
}
typedef storage_policies::store_by_copy storage_policy;
private:
const TString* _str;
};
template <typename TCharTraits, typename TAllocator>
struct IsString<std::basic_string<char, TCharTraits, TAllocator> > : true_type {
};
template <typename TCharTraits, typename TAllocator>
inline StdStringAdapter<std::basic_string<char, TCharTraits, TAllocator> >
adaptString(const std::basic_string<char, TCharTraits, TAllocator>& str) {
return StdStringAdapter<std::basic_string<char, TCharTraits, TAllocator> >(
str);
}
} // namespace ARDUINOJSON_NAMESPACE
#endif
#if ARDUINOJSON_ENABLE_STRING_VIEW
#include <string_view>
namespace ARDUINOJSON_NAMESPACE {
class StringViewAdapter {
public:
StringViewAdapter(std::string_view str) : _str(str) {}
void copyTo(char* p, size_t n) const {
memcpy(p, _str.data(), n);
}
bool isNull() const {
return false;
}
int compare(const char* other) const {
if (!other)
return 1;
return _str.compare(other);
}
bool equals(const char* expected) const {
if (!expected)
return false;
return _str == expected;
}
size_t size() const {
return _str.size();
}
typedef storage_policies::store_by_copy storage_policy;
private:
std::string_view _str;
};
template <>
struct IsString<std::string_view> : true_type {};
inline StringViewAdapter adaptString(const std::string_view& str) {
return StringViewAdapter(str);
}
} // namespace ARDUINOJSON_NAMESPACE
#endif
#if ARDUINOJSON_ENABLE_ARDUINO_STRING
namespace ARDUINOJSON_NAMESPACE {
class ArduinoStringAdapter {
public:
ArduinoStringAdapter(const ::String& str) : _str(&str) {}
void copyTo(char* p, size_t n) const {
memcpy(p, _str->c_str(), n);
}
bool isNull() const {
return !_str->c_str();
}
int compare(const char* other) const {
const char* me = _str->c_str();
return safe_strcmp(me, other);
}
bool equals(const char* expected) const {
return compare(expected) == 0;
}
size_t size() const {
return _str->length();
}
typedef storage_policies::store_by_copy storage_policy;
private:
const ::String* _str;
};
template <>
struct IsString< ::String> : true_type {};
template <>
struct IsString< ::StringSumHelper> : true_type {};
inline ArduinoStringAdapter adaptString(const ::String& str) {
return ArduinoStringAdapter(str);
}
} // namespace ARDUINOJSON_NAMESPACE
#endif
#if ARDUINOJSON_ENABLE_PROGMEM
namespace ARDUINOJSON_NAMESPACE {
struct pgm_p {
pgm_p(const char* p) : address(p) {}
const char* address;
};
} // namespace ARDUINOJSON_NAMESPACE
#ifndef strlen_P
inline size_t strlen_P(ARDUINOJSON_NAMESPACE::pgm_p s) {
const char* p = s.address;
ARDUINOJSON_ASSERT(p != NULL);
while (pgm_read_byte(p)) p++;
return size_t(p - s.address);
}
#endif
#ifndef strncmp_P
inline int strncmp_P(const char* a, ARDUINOJSON_NAMESPACE::pgm_p b, size_t n) {
const char* s1 = a;
const char* s2 = b.address;
ARDUINOJSON_ASSERT(s1 != NULL);
ARDUINOJSON_ASSERT(s2 != NULL);
while (n-- > 0) {
char c1 = *s1++;
char c2 = static_cast<char>(pgm_read_byte(s2++));
if (c1 < c2)
return -1;
if (c1 > c2)
return 1;
if (c1 == 0 /* and c2 as well */)
return 0;
}
return 0;
}
#endif
#ifndef strcmp_P
inline int strcmp_P(const char* a, ARDUINOJSON_NAMESPACE::pgm_p b) {
const char* s1 = a;
const char* s2 = b.address;
ARDUINOJSON_ASSERT(s1 != NULL);
ARDUINOJSON_ASSERT(s2 != NULL);
for (;;) {
char c1 = *s1++;
char c2 = static_cast<char>(pgm_read_byte(s2++));
if (c1 < c2)
return -1;
if (c1 > c2)
return 1;
if (c1 == 0 /* and c2 as well */)
return 0;
}
}
#endif
#ifndef memcpy_P
inline void* memcpy_P(void* dst, ARDUINOJSON_NAMESPACE::pgm_p src, size_t n) {
uint8_t* d = reinterpret_cast<uint8_t*>(dst);
const char* s = src.address;
ARDUINOJSON_ASSERT(d != NULL);
ARDUINOJSON_ASSERT(s != NULL);
while (n-- > 0) {
*d++ = pgm_read_byte(s++);
}
return dst;
}
#endif
namespace ARDUINOJSON_NAMESPACE {
class FlashStringAdapter {
public:
FlashStringAdapter(const __FlashStringHelper* str) : _str(str) {}
int compare(const char* other) const {
if (!other && !_str)
return 0;
if (!_str)
return -1;
if (!other)
return 1;
return -strcmp_P(other, reinterpret_cast<const char*>(_str));
}
bool equals(const char* expected) const {
return compare(expected) == 0;
}
bool isNull() const {
return !_str;
}
void copyTo(char* p, size_t n) const {
memcpy_P(p, reinterpret_cast<const char*>(_str), n);
}
size_t size() const {
if (!_str)
return 0;
return strlen_P(reinterpret_cast<const char*>(_str));
}
typedef storage_policies::store_by_copy storage_policy;
private:
const __FlashStringHelper* _str;
};
inline FlashStringAdapter adaptString(const __FlashStringHelper* str) {
return FlashStringAdapter(str);
}
template <>
struct IsString<const __FlashStringHelper*> : true_type {};
class SizedFlashStringAdapter {
public:
SizedFlashStringAdapter(const __FlashStringHelper* str, size_t sz)
: _str(str), _size(sz) {}
int compare(const char* other) const {
if (!other && !_str)
return 0;
if (!_str)
return -1;
if (!other)
return 1;
return -strncmp_P(other, reinterpret_cast<const char*>(_str), _size);
}
bool equals(const char* expected) const {
return compare(expected) == 0;
}
bool isNull() const {
return !_str;
}
void copyTo(char* p, size_t n) const {
memcpy_P(p, reinterpret_cast<const char*>(_str), n);
}
size_t size() const {
return _size;
}
typedef storage_policies::store_by_copy storage_policy;
private:
const __FlashStringHelper* _str;
size_t _size;
};
inline SizedFlashStringAdapter adaptString(const __FlashStringHelper* str,
size_t sz) {
return SizedFlashStringAdapter(str, sz);
}
} // namespace ARDUINOJSON_NAMESPACE
#endif
namespace ARDUINOJSON_NAMESPACE {
template <int Bits>
struct int_t;
template <>
struct int_t<8> {
typedef int8_t type;
};
template <>
struct int_t<16> {
typedef int16_t type;
};
template <>
struct int_t<32> {
typedef int32_t type;
};
} // namespace ARDUINOJSON_NAMESPACE
#ifdef _MSC_VER
# pragma warning(push)
# pragma warning(disable : 4310)
#endif
namespace ARDUINOJSON_NAMESPACE {
template <typename T, typename Enable = void>
struct numeric_limits;
template <typename T>
struct numeric_limits<T, typename enable_if<is_unsigned<T>::value>::type> {
static T lowest() {
return 0;
}
static T highest() {
return T(-1);
}
};
template <typename T>
struct numeric_limits<
T, typename enable_if<is_integral<T>::value && is_signed<T>::value>::type> {
static T lowest() {
return T(T(1) << (sizeof(T) * 8 - 1));
}
static T highest() {
return T(~lowest());
}
};
} // namespace ARDUINOJSON_NAMESPACE
#ifdef _MSC_VER
# pragma warning(pop)
#endif
namespace ARDUINOJSON_NAMESPACE {
#if ARDUINOJSON_USE_DOUBLE
typedef double Float;
#else
typedef float Float;
#endif
#if ARDUINOJSON_USE_LONG_LONG
typedef int64_t Integer;
typedef uint64_t UInt;
#else
typedef long Integer;
typedef unsigned long UInt;
#endif
} // namespace ARDUINOJSON_NAMESPACE
#if ARDUINOJSON_HAS_LONG_LONG && !ARDUINOJSON_USE_LONG_LONG
# define ARDUINOJSON_ASSERT_INTEGER_TYPE_IS_SUPPORTED(T) \
static_assert(sizeof(T) <= sizeof(ARDUINOJSON_NAMESPACE::Integer), \
"To use 64-bit integers with ArduinoJson, you must set " \
"ARDUINOJSON_USE_LONG_LONG to 1. See " \
"https://arduinojson.org/v6/api/config/use_long_long/");
#else
# define ARDUINOJSON_ASSERT_INTEGER_TYPE_IS_SUPPORTED(T)
#endif
namespace ARDUINOJSON_NAMESPACE {
enum {
VALUE_MASK = 0x7F,
OWNED_VALUE_BIT = 0x01,
VALUE_IS_NULL = 0,
VALUE_IS_LINKED_RAW = 0x02,
VALUE_IS_OWNED_RAW = 0x03,
VALUE_IS_LINKED_STRING = 0x04,
VALUE_IS_OWNED_STRING = 0x05,
VALUE_IS_BOOLEAN = 0x06,
NUMBER_BIT = 0x08,
VALUE_IS_UNSIGNED_INTEGER = 0x08,
VALUE_IS_SIGNED_INTEGER = 0x0A,
VALUE_IS_FLOAT = 0x0C,
COLLECTION_MASK = 0x60,
VALUE_IS_OBJECT = 0x20,
VALUE_IS_ARRAY = 0x40,
OWNED_KEY_BIT = 0x80
};
struct RawData {
const char *data;
size_t size;
};
union VariantContent {
Float asFloat;
bool asBoolean;
UInt asUnsignedInteger;
Integer asSignedInteger;
CollectionData asCollection;
const char *asString;
struct {
const char *data;
size_t size;
} asRaw;
};
typedef int_t<ARDUINOJSON_SLOT_OFFSET_SIZE * 8>::type VariantSlotDiff;
class VariantSlot {
VariantContent _content;
uint8_t _flags;
VariantSlotDiff _next;
const char* _key;
public:
VariantData* data() {
return reinterpret_cast<VariantData*>(&_content);
}
const VariantData* data() const {
return reinterpret_cast<const VariantData*>(&_content);
}
VariantSlot* next() {
return _next ? this + _next : 0;
}
const VariantSlot* next() const {
return const_cast<VariantSlot*>(this)->next();
}
VariantSlot* next(size_t distance) {
VariantSlot* slot = this;
while (distance--) {
if (!slot->_next)
return 0;
slot += slot->_next;
}
return slot;
}
const VariantSlot* next(size_t distance) const {
return const_cast<VariantSlot*>(this)->next(distance);
}
void setNext(VariantSlot* slot) {
ARDUINOJSON_ASSERT(!slot || slot - this >=
numeric_limits<VariantSlotDiff>::lowest());
ARDUINOJSON_ASSERT(!slot || slot - this <=
numeric_limits<VariantSlotDiff>::highest());
_next = VariantSlotDiff(slot ? slot - this : 0);
}
void setNextNotNull(VariantSlot* slot) {
ARDUINOJSON_ASSERT(slot != 0);
ARDUINOJSON_ASSERT(slot - this >=
numeric_limits<VariantSlotDiff>::lowest());
ARDUINOJSON_ASSERT(slot - this <=
numeric_limits<VariantSlotDiff>::highest());
_next = VariantSlotDiff(slot - this);
}
void setKey(const char* k, storage_policies::store_by_copy) {
ARDUINOJSON_ASSERT(k != NULL);
_flags |= OWNED_KEY_BIT;
_key = k;
}
void setKey(const char* k, storage_policies::store_by_address) {
ARDUINOJSON_ASSERT(k != NULL);
_flags &= VALUE_MASK;
_key = k;
}
const char* key() const {
return _key;
}
bool ownsKey() const {
return (_flags & OWNED_KEY_BIT) != 0;
}
void clear() {
_next = 0;
_flags = 0;
_key = 0;
}
void movePointers(ptrdiff_t stringDistance, ptrdiff_t variantDistance) {
if (_flags & OWNED_KEY_BIT)
_key += stringDistance;
if (_flags & OWNED_VALUE_BIT)
_content.asString += stringDistance;
if (_flags & COLLECTION_MASK)
_content.asCollection.movePointers(stringDistance, variantDistance);
}
};
} // namespace ARDUINOJSON_NAMESPACE
#define JSON_STRING_SIZE(SIZE) (SIZE + 1)
namespace ARDUINOJSON_NAMESPACE {
class MemoryPool {
public:
MemoryPool(char* buf, size_t capa)
: _begin(buf),
_left(buf),
_right(buf ? buf + capa : 0),
_end(buf ? buf + capa : 0),
_overflowed(false) {
ARDUINOJSON_ASSERT(isAligned(_begin));
ARDUINOJSON_ASSERT(isAligned(_right));
ARDUINOJSON_ASSERT(isAligned(_end));
}
void* buffer() {
return _begin; // NOLINT(clang-analyzer-unix.Malloc)
}
size_t capacity() const {
return size_t(_end - _begin);
}
size_t size() const {
return size_t(_left - _begin + _end - _right);
}
bool overflowed() const {
return _overflowed;
}
VariantSlot* allocVariant() {
return allocRight<VariantSlot>();
}
template <typename TAdaptedString>
const char* saveString(const TAdaptedString& str) {
if (str.isNull())
return 0;
#if ARDUINOJSON_ENABLE_STRING_DEDUPLICATION
const char* existingCopy = findString(str);
if (existingCopy)
return existingCopy;
#endif
size_t n = str.size();
char* newCopy = allocString(n + 1);
if (newCopy) {
str.copyTo(newCopy, n);
newCopy[n] = 0; // force null-terminator
}
return newCopy;
}
void getFreeZone(char** zoneStart, size_t* zoneSize) const {
*zoneStart = _left;
*zoneSize = size_t(_right - _left);
}
const char* saveStringFromFreeZone(size_t len) {
#if ARDUINOJSON_ENABLE_STRING_DEDUPLICATION
const char* dup = findString(adaptString(_left));
if (dup)
return dup;
#endif
const char* str = _left;
_left += len;
checkInvariants();
return str;
}
void markAsOverflowed() {
_overflowed = true;
}
void clear() {
_left = _begin;
_right = _end;
_overflowed = false;
}
bool canAlloc(size_t bytes) const {
return _left + bytes <= _right;
}
bool owns(void* p) const {
return _begin <= p && p < _end;
}
void* operator new(size_t, void* p) {
return p;
}
ptrdiff_t squash() {
char* new_right = addPadding(_left);
if (new_right >= _right)
return 0;
size_t right_size = static_cast<size_t>(_end - _right);
memmove(new_right, _right, right_size);
ptrdiff_t bytes_reclaimed = _right - new_right;
_right = new_right;
_end = new_right + right_size;
return bytes_reclaimed;
}
void movePointers(ptrdiff_t offset) {
_begin += offset;
_left += offset;
_right += offset;
_end += offset;
}
private:
void checkInvariants() {
ARDUINOJSON_ASSERT(_begin <= _left);
ARDUINOJSON_ASSERT(_left <= _right);
ARDUINOJSON_ASSERT(_right <= _end);
ARDUINOJSON_ASSERT(isAligned(_right));
}
#if ARDUINOJSON_ENABLE_STRING_DEDUPLICATION
template <typename TAdaptedString>
const char* findString(const TAdaptedString& str) {
for (char* next = _begin; next < _left; ++next) {
if (str.equals(next))
return next;
while (*next) ++next;
}
return 0;
}
#endif
char* allocString(size_t n) {
if (!canAlloc(n)) {
_overflowed = true;
return 0;
}
char* s = _left;
_left += n;
checkInvariants();
return s;
}
template <typename T>
T* allocRight() {
return reinterpret_cast<T*>(allocRight(sizeof(T)));
}
void* allocRight(size_t bytes) {
if (!canAlloc(bytes)) {
_overflowed = true;
return 0;
}
_right -= bytes;
return _right;
}
char *_begin, *_left, *_right, *_end;
bool _overflowed;
};
template <typename T>
class SerializedValue {
public:
explicit SerializedValue(T str) : _str(str) {}
operator T() const {
return _str;
}
const char* data() const {
return _str.c_str();
}
size_t size() const {
return _str.length();
}
private:
T _str;
};
template <typename TChar>
class SerializedValue<TChar*> {
public:
explicit SerializedValue(TChar* p, size_t n) : _data(p), _size(n) {}
operator TChar*() const {
return _data;
}
TChar* data() const {
return _data;
}
size_t size() const {
return _size;
}
private:
TChar* _data;
size_t _size;
};
template <typename T>
inline SerializedValue<T> serialized(T str) {
return SerializedValue<T>(str);
}
template <typename TChar>
inline SerializedValue<TChar*> serialized(TChar* p) {
return SerializedValue<TChar*>(p, adaptString(p).size());
}
template <typename TChar>
inline SerializedValue<TChar*> serialized(TChar* p, size_t n) {
return SerializedValue<TChar*>(p, n);
}
} // namespace ARDUINOJSON_NAMESPACE
#if defined(__clang__)
# pragma clang diagnostic push
# pragma clang diagnostic ignored "-Wconversion"
#elif defined(__GNUC__)
# if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
# pragma GCC diagnostic push
# endif
# pragma GCC diagnostic ignored "-Wconversion"
#endif
namespace ARDUINOJSON_NAMESPACE {
template <typename TOut, typename TIn>
typename enable_if<is_integral<TIn>::value && is_unsigned<TIn>::value &&
is_integral<TOut>::value && sizeof(TOut) <= sizeof(TIn),
bool>::type
canConvertNumber(TIn value) {
return value <= TIn(numeric_limits<TOut>::highest());
}
template <typename TOut, typename TIn>
typename enable_if<is_integral<TIn>::value && is_unsigned<TIn>::value &&
is_integral<TOut>::value && sizeof(TIn) < sizeof(TOut),
bool>::type
canConvertNumber(TIn) {
return true;
}
template <typename TOut, typename TIn>
typename enable_if<is_integral<TIn>::value && is_floating_point<TOut>::value,
bool>::type
canConvertNumber(TIn) {
return true;
}
template <typename TOut, typename TIn>
typename enable_if<is_integral<TIn>::value && is_signed<TIn>::value &&
is_integral<TOut>::value && is_signed<TOut>::value &&
sizeof(TOut) < sizeof(TIn),
bool>::type
canConvertNumber(TIn value) {
return value >= TIn(numeric_limits<TOut>::lowest()) &&
value <= TIn(numeric_limits<TOut>::highest());
}
template <typename TOut, typename TIn>
typename enable_if<is_integral<TIn>::value && is_signed<TIn>::value &&
is_integral<TOut>::value && is_signed<TOut>::value &&
sizeof(TIn) <= sizeof(TOut),
bool>::type
canConvertNumber(TIn) {
return true;
}
template <typename TOut, typename TIn>
typename enable_if<is_integral<TIn>::value && is_signed<TIn>::value &&
is_integral<TOut>::value && is_unsigned<TOut>::value &&
sizeof(TOut) >= sizeof(TIn),
bool>::type
canConvertNumber(TIn value) {
if (value < 0)
return false;
return TOut(value) <= numeric_limits<TOut>::highest();
}
template <typename TOut, typename TIn>
typename enable_if<is_integral<TIn>::value && is_signed<TIn>::value &&
is_integral<TOut>::value && is_unsigned<TOut>::value &&
sizeof(TOut) < sizeof(TIn),
bool>::type
canConvertNumber(TIn value) {
if (value < 0)
return false;
return value <= TIn(numeric_limits<TOut>::highest());
}
template <typename TOut, typename TIn>
typename enable_if<is_floating_point<TIn>::value &&
!is_floating_point<TOut>::value,
bool>::type
canConvertNumber(TIn value) {
return value >= numeric_limits<TOut>::lowest() &&
value <= numeric_limits<TOut>::highest();
}
template <typename TOut, typename TIn>
TOut convertNumber(TIn value) {
return canConvertNumber<TOut>(value) ? TOut(value) : 0;
}
} // namespace ARDUINOJSON_NAMESPACE
#if defined(__clang__)
# pragma clang diagnostic pop
#elif defined(__GNUC__)
# if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
# pragma GCC diagnostic pop
# endif
#endif
#if defined(__GNUC__)
# if __GNUC__ >= 7
# pragma GCC diagnostic push
# pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
# pragma GCC diagnostic ignored "-Wuninitialized"
# endif
#endif
namespace ARDUINOJSON_NAMESPACE {
class VariantData {
VariantContent _content; // must be first to allow cast from array to variant
uint8_t _flags;
public:
void init() {
_flags = VALUE_IS_NULL;
}
template <typename TVisitor>
typename TVisitor::result_type accept(TVisitor &visitor) const {
switch (type()) {
case VALUE_IS_FLOAT:
return visitor.visitFloat(_content.asFloat);
case VALUE_IS_ARRAY:
return visitor.visitArray(_content.asCollection);
case VALUE_IS_OBJECT:
return visitor.visitObject(_content.asCollection);
case VALUE_IS_LINKED_STRING:
case VALUE_IS_OWNED_STRING:
return visitor.visitString(_content.asString);
case VALUE_IS_OWNED_RAW:
case VALUE_IS_LINKED_RAW:
return visitor.visitRawJson(_content.asRaw.data, _content.asRaw.size);
case VALUE_IS_SIGNED_INTEGER:
return visitor.visitSignedInteger(_content.asSignedInteger);
case VALUE_IS_UNSIGNED_INTEGER:
return visitor.visitUnsignedInteger(_content.asUnsignedInteger);
case VALUE_IS_BOOLEAN:
return visitor.visitBoolean(_content.asBoolean != 0);
default:
return visitor.visitNull();
}
}
template <typename T>
T asIntegral() const;
template <typename T>
T asFloat() const;
const char *asString() const;
bool asBoolean() const;
CollectionData *asArray() {
return isArray() ? &_content.asCollection : 0;
}
const CollectionData *asArray() const {
return const_cast<VariantData *>(this)->asArray();
}
CollectionData *asObject() {
return isObject() ? &_content.asCollection : 0;
}
const CollectionData *asObject() const {
return const_cast<VariantData *>(this)->asObject();
}
bool copyFrom(const VariantData &src, MemoryPool *pool) {
switch (src.type()) {
case VALUE_IS_ARRAY:
return toArray().copyFrom(src._content.asCollection, pool);
case VALUE_IS_OBJECT:
return toObject().copyFrom(src._content.asCollection, pool);
case VALUE_IS_OWNED_STRING:
return setString(RamStringAdapter(src._content.asString), pool);
case VALUE_IS_OWNED_RAW:
return setOwnedRaw(
serialized(src._content.asRaw.data, src._content.asRaw.size), pool);
default:
setType(src.type());
_content = src._content;
return true;
}
}
bool isArray() const {
return (_flags & VALUE_IS_ARRAY) != 0;
}
bool isBoolean() const {
return type() == VALUE_IS_BOOLEAN;
}
bool isCollection() const {
return (_flags & COLLECTION_MASK) != 0;
}
template <typename T>
bool isInteger() const {
switch (type()) {
case VALUE_IS_UNSIGNED_INTEGER:
return canConvertNumber<T>(_content.asUnsignedInteger);
case VALUE_IS_SIGNED_INTEGER:
return canConvertNumber<T>(_content.asSignedInteger);
default:
return false;
}
}
bool isFloat() const {
return (_flags & NUMBER_BIT) != 0;
}
bool isString() const {
return type() == VALUE_IS_LINKED_STRING || type() == VALUE_IS_OWNED_STRING;
}
bool isObject() const {
return (_flags & VALUE_IS_OBJECT) != 0;
}
bool isNull() const {
return type() == VALUE_IS_NULL;
}
bool isEnclosed() const {
return !isFloat();
}
void remove(size_t index) {
if (isArray())
_content.asCollection.removeElement(index);
}
template <typename TAdaptedString>
void remove(TAdaptedString key) {
if (isObject())
_content.asCollection.removeMember(key);
}
void setBoolean(bool value) {
setType(VALUE_IS_BOOLEAN);
_content.asBoolean = value;
}
void setFloat(Float value) {
setType(VALUE_IS_FLOAT);
_content.asFloat = value;
}
void setLinkedRaw(SerializedValue<const char *> value) {
if (value.data()) {
setType(VALUE_IS_LINKED_RAW);
_content.asRaw.data = value.data();
_content.asRaw.size = value.size();
} else {
setType(VALUE_IS_NULL);
}
}
template <typename T>
bool setOwnedRaw(SerializedValue<T> value, MemoryPool *pool) {
const char *dup = pool->saveString(adaptString(value.data(), value.size()));
if (dup) {
setType(VALUE_IS_OWNED_RAW);
_content.asRaw.data = dup;
_content.asRaw.size = value.size();
return true;
} else {
setType(VALUE_IS_NULL);
return false;
}
}
template <typename T>
typename enable_if<is_unsigned<T>::value>::type setInteger(T value) {
setType(VALUE_IS_UNSIGNED_INTEGER);
_content.asUnsignedInteger = static_cast<UInt>(value);
}
template <typename T>
typename enable_if<is_signed<T>::value>::type setInteger(T value) {
setType(VALUE_IS_SIGNED_INTEGER);
_content.asSignedInteger = value;
}
void setNull() {
setType(VALUE_IS_NULL);
}
void setStringPointer(const char *s, storage_policies::store_by_copy) {
ARDUINOJSON_ASSERT(s != 0);
setType(VALUE_IS_OWNED_STRING);
_content.asString = s;
}
void setStringPointer(const char *s, storage_policies::store_by_address) {
ARDUINOJSON_ASSERT(s != 0);
setType(VALUE_IS_LINKED_STRING);
_content.asString = s;
}
template <typename TAdaptedString>
bool setString(TAdaptedString value, MemoryPool *pool) {
return storeString(value, pool, typename TAdaptedString::storage_policy());
}
CollectionData &toArray() {
setType(VALUE_IS_ARRAY);
_content.asCollection.clear();
return _content.asCollection;
}
CollectionData &toObject() {
setType(VALUE_IS_OBJECT);
_content.asCollection.clear();
return _content.asCollection;
}
size_t memoryUsage() const {
switch (type()) {
case VALUE_IS_OWNED_STRING:
return strlen(_content.asString) + 1;
case VALUE_IS_OWNED_RAW:
return _content.asRaw.size;
case VALUE_IS_OBJECT:
case VALUE_IS_ARRAY:
return _content.asCollection.memoryUsage();
default:
return 0;
}
}
size_t nesting() const {
return isCollection() ? _content.asCollection.nesting() : 0;
}
size_t size() const {
return isCollection() ? _content.asCollection.size() : 0;
}
VariantData *addElement(MemoryPool *pool) {
if (isNull())
toArray();
if (!isArray())
return 0;
return _content.asCollection.addElement(pool);
}
VariantData *getElement(size_t index) const {
return isArray() ? _content.asCollection.getElement(index) : 0;
}
VariantData *getOrAddElement(size_t index, MemoryPool *pool) {
if (isNull())
toArray();
if (!isArray())
return 0;
return _content.asCollection.getOrAddElement(index, pool);
}
template <typename TAdaptedString>
VariantData *getMember(TAdaptedString key) const {
return isObject() ? _content.asCollection.getMember(key) : 0;
}
template <typename TAdaptedString>
VariantData *getOrAddMember(TAdaptedString key, MemoryPool *pool) {
if (isNull())
toObject();
if (!isObject())
return 0;
return _content.asCollection.getOrAddMember(key, pool);
}
void movePointers(ptrdiff_t stringDistance, ptrdiff_t variantDistance) {
if (_flags & OWNED_VALUE_BIT)
_content.asString += stringDistance;
if (_flags & COLLECTION_MASK)
_content.asCollection.movePointers(stringDistance, variantDistance);
}
uint8_t type() const {
return _flags & VALUE_MASK;
}
private:
void setType(uint8_t t) {
_flags &= OWNED_KEY_BIT;
_flags |= t;
}
template <typename TAdaptedString>
inline bool storeString(TAdaptedString value, MemoryPool *pool,
storage_policies::decide_at_runtime) {
if (value.isStatic())
return storeString(value, pool, storage_policies::store_by_address());
else
return storeString(value, pool, storage_policies::store_by_copy());
}
template <typename TAdaptedString>
inline bool storeString(TAdaptedString value, MemoryPool *,
storage_policies::store_by_address) {
if (value.isNull())
setNull();
else
setStringPointer(value.data(), storage_policies::store_by_address());
return true;
}
template <typename TAdaptedString>
inline bool storeString(TAdaptedString value, MemoryPool *pool,
storage_policies::store_by_copy) {
if (value.isNull()) {
setNull();
return true;
}
const char *copy = pool->saveString(value);
if (!copy) {
setNull();
return false;
}
setStringPointer(copy, storage_policies::store_by_copy());
return true;
}
};
} // namespace ARDUINOJSON_NAMESPACE
#if defined(__GNUC__)
# if __GNUC__ >= 8
# pragma GCC diagnostic pop
# endif
#endif
namespace ARDUINOJSON_NAMESPACE {
template <typename TAdaptedString>
inline bool slotSetKey(VariantSlot* var, TAdaptedString key, MemoryPool* pool) {
if (!var)
return false;
return slotSetKey(var, key, pool, typename TAdaptedString::storage_policy());
}
template <typename TAdaptedString>
inline bool slotSetKey(VariantSlot* var, TAdaptedString key, MemoryPool* pool,
storage_policies::decide_at_runtime) {
if (key.isStatic()) {
return slotSetKey(var, key, pool, storage_policies::store_by_address());
} else {
return slotSetKey(var, key, pool, storage_policies::store_by_copy());
}
}
template <typename TAdaptedString>
inline bool slotSetKey(VariantSlot* var, TAdaptedString key, MemoryPool*,
storage_policies::store_by_address) {
ARDUINOJSON_ASSERT(var);
var->setKey(key.data(), storage_policies::store_by_address());
return true;
}
template <typename TAdaptedString>
inline bool slotSetKey(VariantSlot* var, TAdaptedString key, MemoryPool* pool,
storage_policies::store_by_copy) {
const char* dup = pool->saveString(key);
if (!dup)
return false;
ARDUINOJSON_ASSERT(var);
var->setKey(dup, storage_policies::store_by_copy());
return true;
}
inline size_t slotSize(const VariantSlot* var) {
size_t n = 0;
while (var) {
n++;
var = var->next();
}
return n;
}
inline VariantData* slotData(VariantSlot* slot) {
return reinterpret_cast<VariantData*>(slot);
}
struct Visitable {
};
template <typename T>
struct IsVisitable : is_base_of<Visitable, T> {};
template <typename T>
struct IsVisitable<T &> : IsVisitable<T> {};
template <typename T, typename Enable = void>
struct Converter;
template <typename T1, typename T2>
class InvalidConversion; // Error here? See https://arduinojson.org/v6/invalid-conversion/
} // namespace ARDUINOJSON_NAMESPACE
#ifdef _MSC_VER // Visual Studio
# define FORCE_INLINE // __forceinline causes C4714 when returning std::string
# define NO_INLINE __declspec(noinline)
# ifndef ARDUINOJSON_DEPRECATED
# define ARDUINOJSON_DEPRECATED(msg) __declspec(deprecated(msg))
# endif
#elif defined(__GNUC__) // GCC or Clang
# define FORCE_INLINE __attribute__((always_inline))
# define NO_INLINE __attribute__((noinline))
# ifndef ARDUINOJSON_DEPRECATED
# if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5)
# define ARDUINOJSON_DEPRECATED(msg) __attribute__((deprecated(msg)))
# else
# define ARDUINOJSON_DEPRECATED(msg) __attribute__((deprecated))
# endif
# endif
#else // Other compilers
# define FORCE_INLINE
# define NO_INLINE
# ifndef ARDUINOJSON_DEPRECATED
# define ARDUINOJSON_DEPRECATED(msg)
# endif
#endif
#if __cplusplus >= 201103L
# define NOEXCEPT noexcept
#else
# define NOEXCEPT throw()
#endif
#if defined(__has_attribute)
# if __has_attribute(no_sanitize)
# define ARDUINOJSON_NO_SANITIZE(check) __attribute__((no_sanitize(check)))
# else
# define ARDUINOJSON_NO_SANITIZE(check)
# endif
#else
# define ARDUINOJSON_NO_SANITIZE(check)
#endif
namespace ARDUINOJSON_NAMESPACE {
template <typename TVisitor>
inline typename TVisitor::result_type variantAccept(const VariantData *var,
TVisitor &visitor) {
if (var != 0)
return var->accept(visitor);
else
return visitor.visitNull();
}
inline const CollectionData *variantAsArray(const VariantData *var) {
return var != 0 ? var->asArray() : 0;
}
inline const CollectionData *variantAsObject(const VariantData *var) {
return var != 0 ? var->asObject() : 0;
}
inline CollectionData *variantAsObject(VariantData *var) {
return var != 0 ? var->asObject() : 0;
}
inline bool variantCopyFrom(VariantData *dst, const VariantData *src,
MemoryPool *pool) {
if (!dst)
return false;
if (!src) {
dst->setNull();
return true;
}
return dst->copyFrom(*src, pool);
}
inline int variantCompare(const VariantData *a, const VariantData *b);
inline void variantSetNull(VariantData *var) {
if (!var)
return;
var->setNull();
}
template <typename TAdaptedString>
inline bool variantSetString(VariantData *var, TAdaptedString value,
MemoryPool *pool) {
if (!var)
return false;
return var->setString(value, pool);
}
inline size_t variantSize(const VariantData *var) {
return var != 0 ? var->size() : 0;
}
inline CollectionData *variantToArray(VariantData *var) {
if (!var)
return 0;
return &var->toArray();
}
inline CollectionData *variantToObject(VariantData *var) {
if (!var)
return 0;
return &var->toObject();
}
inline NO_INLINE VariantData *variantAddElement(VariantData *var,
MemoryPool *pool) {
return var != 0 ? var->addElement(pool) : 0;
}
inline NO_INLINE VariantData *variantGetOrAddElement(VariantData *var,
size_t index,
MemoryPool *pool) {
return var != 0 ? var->getOrAddElement(index, pool) : 0;
}
template <typename TChar>
NO_INLINE VariantData *variantGetOrAddMember(VariantData *var, TChar *key,
MemoryPool *pool) {
return var != 0 ? var->getOrAddMember(adaptString(key), pool) : 0;
}
template <typename TString>
NO_INLINE VariantData *variantGetOrAddMember(VariantData *var,
const TString &key,
MemoryPool *pool) {
return var != 0 ? var->getOrAddMember(adaptString(key), pool) : 0;
}
inline bool variantIsNull(const VariantData *var) {
return var == 0 || var->isNull();
}
enum CompareResult {
COMPARE_RESULT_DIFFER = 0,
COMPARE_RESULT_EQUAL = 1,
COMPARE_RESULT_GREATER = 2,
COMPARE_RESULT_LESS = 4,
COMPARE_RESULT_GREATER_OR_EQUAL = 3,
COMPARE_RESULT_LESS_OR_EQUAL = 5
};
template <typename T>
CompareResult arithmeticCompare(const T &lhs, const T &rhs) {
if (lhs < rhs)
return COMPARE_RESULT_LESS;
else if (lhs > rhs)
return COMPARE_RESULT_GREATER;
else
return COMPARE_RESULT_EQUAL;
}
template <typename T1, typename T2>
CompareResult arithmeticCompare(
const T1 &lhs, const T2 &rhs,
typename enable_if<is_integral<T1>::value && is_integral<T2>::value &&
sizeof(T1) < sizeof(T2),
int // Using int instead of void to avoid C2572 on
>::type * = 0) {
return arithmeticCompare<T2>(static_cast<T2>(lhs), rhs);
}
template <typename T1, typename T2>
CompareResult arithmeticCompare(
const T1 &lhs, const T2 &rhs,
typename enable_if<is_integral<T1>::value && is_integral<T2>::value &&
sizeof(T2) < sizeof(T1)>::type * = 0) {
return arithmeticCompare<T1>(lhs, static_cast<T1>(rhs));
}
template <typename T1, typename T2>
CompareResult arithmeticCompare(
const T1 &lhs, const T2 &rhs,
typename enable_if<is_integral<T1>::value && is_integral<T2>::value &&
is_signed<T1>::value == is_signed<T2>::value &&
sizeof(T2) == sizeof(T1)>::type * = 0) {
return arithmeticCompare<T1>(lhs, static_cast<T1>(rhs));
}
template <typename T1, typename T2>
CompareResult arithmeticCompare(
const T1 &lhs, const T2 &rhs,
typename enable_if<is_integral<T1>::value && is_integral<T2>::value &&
is_unsigned<T1>::value && is_signed<T2>::value &&
sizeof(T2) == sizeof(T1)>::type * = 0) {
if (rhs < 0)
return COMPARE_RESULT_GREATER;
return arithmeticCompare<T1>(lhs, static_cast<T1>(rhs));
}
template <typename T1, typename T2>
CompareResult arithmeticCompare(
const T1 &lhs, const T2 &rhs,
typename enable_if<is_integral<T1>::value && is_integral<T2>::value &&
is_signed<T1>::value && is_unsigned<T2>::value &&
sizeof(T2) == sizeof(T1)>::type * = 0) {
if (lhs < 0)
return COMPARE_RESULT_LESS;
return arithmeticCompare<T2>(static_cast<T2>(lhs), rhs);
}
template <typename T1, typename T2>
CompareResult arithmeticCompare(
const T1 &lhs, const T2 &rhs,
typename enable_if<is_floating_point<T1>::value ||
is_floating_point<T2>::value>::type * = 0) {
return arithmeticCompare<double>(static_cast<double>(lhs),
static_cast<double>(rhs));
}
template <typename T2>
CompareResult arithmeticCompareNegateLeft(
UInt, const T2 &, typename enable_if<is_unsigned<T2>::value>::type * = 0) {
return COMPARE_RESULT_LESS;
}
template <typename T2>
CompareResult arithmeticCompareNegateLeft(
UInt lhs, const T2 &rhs,
typename enable_if<is_signed<T2>::value>::type * = 0) {
if (rhs > 0)
return COMPARE_RESULT_LESS;
return arithmeticCompare(-rhs, static_cast<T2>(lhs));
}
template <typename T1>
CompareResult arithmeticCompareNegateRight(
const T1 &, UInt, typename enable_if<is_unsigned<T1>::value>::type * = 0) {
return COMPARE_RESULT_GREATER;
}
template <typename T1>
CompareResult arithmeticCompareNegateRight(
const T1 &lhs, UInt rhs,
typename enable_if<is_signed<T1>::value>::type * = 0) {
if (lhs > 0)
return COMPARE_RESULT_GREATER;
return arithmeticCompare(static_cast<T1>(rhs), -lhs);
}
struct VariantTag {};
template <typename T>
struct IsVariant : is_base_of<VariantTag, T> {};
template <typename T1, typename T2>
CompareResult compare(const T1 &lhs, const T2 &rhs); // VariantCompare.cpp
template <typename TVariant>
struct VariantOperators {
template <typename T>
friend
typename enable_if<!IsVariant<T>::value && !is_array<T>::value, T>::type
operator|(const TVariant &variant, const T &defaultValue) {
if (variant.template is<T>())
return variant.template as<T>();
else
return defaultValue;
}
friend const char *operator|(const TVariant &variant,
const char *defaultValue) {
if (variant.template is<const char *>())
return variant.template as<const char *>();
else
return defaultValue;
}
template <typename T>
friend typename enable_if<IsVariant<T>::value, typename T::variant_type>::type
operator|(const TVariant &variant, T defaultValue) {
if (variant)
return variant;
else
return defaultValue;
}
template <typename T>
friend bool operator==(T *lhs, TVariant rhs) {
return compare(rhs, lhs) == COMPARE_RESULT_EQUAL;
}
template <typename T>
friend bool operator==(const T &lhs, TVariant rhs) {
return compare(rhs, lhs) == COMPARE_RESULT_EQUAL;
}
template <typename T>
friend bool operator==(TVariant lhs, T *rhs) {
return compare(lhs, rhs) == COMPARE_RESULT_EQUAL;
}
template <typename T>
friend typename enable_if<!IsVisitable<T>::value, bool>::type operator==(
TVariant lhs, const T &rhs) {
return compare(lhs, rhs) == COMPARE_RESULT_EQUAL;
}
template <typename T>
friend bool operator!=(T *lhs, TVariant rhs) {
return compare(rhs, lhs) != COMPARE_RESULT_EQUAL;
}
template <typename T>
friend bool operator!=(const T &lhs, TVariant rhs) {
return compare(rhs, lhs) != COMPARE_RESULT_EQUAL;
}
template <typename T>
friend bool operator!=(TVariant lhs, T *rhs) {
return compare(lhs, rhs) != COMPARE_RESULT_EQUAL;
}
template <typename T>
friend typename enable_if<!IsVisitable<T>::value, bool>::type operator!=(
TVariant lhs, const T &rhs) {
return compare(lhs, rhs) != COMPARE_RESULT_EQUAL;
}
template <typename T>
friend bool operator<(T *lhs, TVariant rhs) {
return compare(rhs, lhs) == COMPARE_RESULT_GREATER;
}
template <typename T>
friend bool operator<(const T &lhs, TVariant rhs) {
return compare(rhs, lhs) == COMPARE_RESULT_GREATER;
}
template <typename T>
friend bool operator<(TVariant lhs, T *rhs) {
return compare(lhs, rhs) == COMPARE_RESULT_LESS;
}
template <typename T>
friend typename enable_if<!IsVisitable<T>::value, bool>::type operator<(
TVariant lhs, const T &rhs) {
return compare(lhs, rhs) == COMPARE_RESULT_LESS;
}
template <typename T>
friend bool operator<=(T *lhs, TVariant rhs) {
return (compare(rhs, lhs) & COMPARE_RESULT_GREATER_OR_EQUAL) != 0;
}
template <typename T>
friend bool operator<=(const T &lhs, TVariant rhs) {
return (compare(rhs, lhs) & COMPARE_RESULT_GREATER_OR_EQUAL) != 0;
}
template <typename T>
friend bool operator<=(TVariant lhs, T *rhs) {
return (compare(lhs, rhs) & COMPARE_RESULT_LESS_OR_EQUAL) != 0;
}
template <typename T>
friend typename enable_if<!IsVisitable<T>::value, bool>::type operator<=(
TVariant lhs, const T &rhs) {
return (compare(lhs, rhs) & COMPARE_RESULT_LESS_OR_EQUAL) != 0;
}
template <typename T>
friend bool operator>(T *lhs, TVariant rhs) {
return compare(rhs, lhs) == COMPARE_RESULT_LESS;
}
template <typename T>
friend bool operator>(const T &lhs, TVariant rhs) {
return compare(rhs, lhs) == COMPARE_RESULT_LESS;
}
template <typename T>
friend bool operator>(TVariant lhs, T *rhs) {
return compare(lhs, rhs) == COMPARE_RESULT_GREATER;
}
template <typename T>
friend typename enable_if<!IsVisitable<T>::value, bool>::type operator>(
TVariant lhs, const T &rhs) {
return compare(lhs, rhs) == COMPARE_RESULT_GREATER;
}
template <typename T>
friend bool operator>=(T *lhs, TVariant rhs) {
return (compare(rhs, lhs) & COMPARE_RESULT_LESS_OR_EQUAL) != 0;
}
template <typename T>
friend bool operator>=(const T &lhs, TVariant rhs) {
return (compare(rhs, lhs) & COMPARE_RESULT_LESS_OR_EQUAL) != 0;
}
template <typename T>
friend bool operator>=(TVariant lhs, T *rhs) {
return (compare(lhs, rhs) & COMPARE_RESULT_GREATER_OR_EQUAL) != 0;
}
template <typename T>
friend typename enable_if<!IsVisitable<T>::value, bool>::type operator>=(
TVariant lhs, const T &rhs) {
return (compare(lhs, rhs) & COMPARE_RESULT_GREATER_OR_EQUAL) != 0;
}
};
class ArrayRef;
class ObjectRef;
template <typename>
class ElementProxy;
template <typename TArray>
class ArrayShortcuts {
public:
FORCE_INLINE ElementProxy<TArray> operator[](size_t index) const;
FORCE_INLINE ObjectRef createNestedObject() const;
FORCE_INLINE ArrayRef createNestedArray() const;
template <typename T>
FORCE_INLINE bool add(const T &value) const {
return impl()->addElement().set(value);
}
template <typename T>
FORCE_INLINE bool add(T *value) const {
return impl()->addElement().set(value);
}
private:
const TArray *impl() const {
return static_cast<const TArray *>(this);
}
};
template <typename TParent, typename TStringRef>
class MemberProxy;
template <typename TObject>
class ObjectShortcuts {
public:
template <typename TString>
FORCE_INLINE typename enable_if<IsString<TString>::value, bool>::type
containsKey(const TString &key) const;
template <typename TChar>
FORCE_INLINE typename enable_if<IsString<TChar *>::value, bool>::type
containsKey(TChar *key) const;
template <typename TString>
FORCE_INLINE typename enable_if<IsString<TString>::value,
MemberProxy<TObject, TString> >::type
operator[](const TString &key) const;
template <typename TChar>
FORCE_INLINE typename enable_if<IsString<TChar *>::value,
MemberProxy<TObject, TChar *> >::type
operator[](TChar *key) const;
template <typename TString>
FORCE_INLINE ArrayRef createNestedArray(const TString &key) const;
template <typename TChar>
FORCE_INLINE ArrayRef createNestedArray(TChar *key) const;
template <typename TString>
ObjectRef createNestedObject(const TString &key) const;
template <typename TChar>
ObjectRef createNestedObject(TChar *key) const;
private:
const TObject *impl() const {
return static_cast<const TObject *>(this);
}
};
template <typename TVariant>
class VariantShortcuts : public ObjectShortcuts<TVariant>,
public ArrayShortcuts<TVariant> {
public:
using ArrayShortcuts<TVariant>::createNestedArray;
using ArrayShortcuts<TVariant>::createNestedObject;
using ArrayShortcuts<TVariant>::operator[];
using ObjectShortcuts<TVariant>::createNestedArray;
using ObjectShortcuts<TVariant>::createNestedObject;
using ObjectShortcuts<TVariant>::operator[];
};
class ArrayRef;
class ObjectRef;
template <typename TData>
class VariantRefBase : public VariantTag {
public:
FORCE_INLINE bool isNull() const {
return variantIsNull(_data);
}
FORCE_INLINE bool isUndefined() const {
return !_data;
}
FORCE_INLINE size_t memoryUsage() const {
return _data ? _data->memoryUsage() : 0;
}
FORCE_INLINE size_t nesting() const {
return _data ? _data->nesting() : 0;
}
size_t size() const {
return variantSize(_data);
}
protected:
VariantRefBase(TData *data) : _data(data) {}
TData *_data;
friend TData *getData(const VariantRefBase &variant) {
return variant._data;
}
};
class VariantRef : public VariantRefBase<VariantData>,
public VariantOperators<VariantRef>,
public VariantShortcuts<VariantRef>,
public Visitable {
typedef VariantRefBase<VariantData> base_type;
friend class VariantConstRef;
public:
FORCE_INLINE VariantRef(MemoryPool *pool, VariantData *data)
: base_type(data), _pool(pool) {}
FORCE_INLINE VariantRef() : base_type(0), _pool(0) {}
FORCE_INLINE void clear() const {
return variantSetNull(_data);
}
template <typename T>
FORCE_INLINE bool set(const T &value) const {
return Converter<T>::toJson(value, *this);
}
bool ARDUINOJSON_DEPRECATED(
"Support for char is deprecated, use int8_t or uint8_t instead")
set(char value) const;
template <typename T>
FORCE_INLINE bool set(T *value) const {
return Converter<T *>::toJson(value, *this);
}
template <typename T>
FORCE_INLINE
typename enable_if<!is_same<T, char *>::value && !is_same<T, char>::value,
T>::type
as() const {
return Converter<T>::fromJson(*this);
}
template <typename T>
FORCE_INLINE typename enable_if<is_same<T, char *>::value, const char *>::type
ARDUINOJSON_DEPRECATED("Replace as<char*>() with as<const char*>()")
as() const {
return as<const char *>();
}
template <typename T>
FORCE_INLINE typename enable_if<is_same<T, char>::value, char>::type
ARDUINOJSON_DEPRECATED(
"Support for char is deprecated, use int8_t or uint8_t instead")
as() const {
return as<signed char>();
}
template <typename T>
FORCE_INLINE
typename enable_if<!is_same<T, char *>::value && !is_same<T, char>::value,
bool>::type
is() const {
return Converter<T>::checkJson(*this);
}
template <typename T>
FORCE_INLINE typename enable_if<is_same<T, char *>::value, bool>::type
ARDUINOJSON_DEPRECATED("Replace is<char*>() with is<const char*>()")
is() const {
return is<const char *>();
}
template <typename T>
FORCE_INLINE typename enable_if<is_same<T, char>::value, bool>::type
ARDUINOJSON_DEPRECATED(
"Support for char is deprecated, use int8_t or uint8_t instead")
is() const {
return is<signed char>();
}
template <typename T>
FORCE_INLINE operator T() const {
return as<T>();
}
template <typename TVisitor>
typename TVisitor::result_type accept(TVisitor &visitor) const {
return variantAccept(_data, visitor);
}
template <typename T>
typename enable_if<is_same<T, ArrayRef>::value, ArrayRef>::type to() const;
template <typename T>
typename enable_if<is_same<T, ObjectRef>::value, ObjectRef>::type to() const;
template <typename T>
typename enable_if<is_same<T, VariantRef>::value, VariantRef>::type to()
const;
VariantRef addElement() const;
FORCE_INLINE VariantRef getElement(size_t) const;
FORCE_INLINE VariantRef getOrAddElement(size_t) const;
template <typename TChar>
FORCE_INLINE VariantRef getMember(TChar *) const;
template <typename TString>
FORCE_INLINE typename enable_if<IsString<TString>::value, VariantRef>::type
getMember(const TString &) const;
template <typename TChar>
FORCE_INLINE VariantRef getOrAddMember(TChar *) const;
template <typename TString>
FORCE_INLINE VariantRef getOrAddMember(const TString &) const;
FORCE_INLINE void remove(size_t index) const {
if (_data)
_data->remove(index);
}
template <typename TChar>
FORCE_INLINE typename enable_if<IsString<TChar *>::value>::type remove(
TChar *key) const {
if (_data)
_data->remove(adaptString(key));
}
template <typename TString>
FORCE_INLINE typename enable_if<IsString<TString>::value>::type remove(
const TString &key) const {
if (_data)
_data->remove(adaptString(key));
}
private:
MemoryPool *_pool;
friend MemoryPool *getPool(const VariantRef &variant) {
return variant._pool;
}
};
class VariantConstRef : public VariantRefBase<const VariantData>,
public VariantOperators<VariantConstRef>,
public VariantShortcuts<VariantConstRef>,
public Visitable {
typedef VariantRefBase<const VariantData> base_type;
friend class VariantRef;
public:
VariantConstRef() : base_type(0) {}
VariantConstRef(const VariantData *data) : base_type(data) {}
VariantConstRef(VariantRef var) : base_type(var._data) {}
template <typename TVisitor>
typename TVisitor::result_type accept(TVisitor &visitor) const {
return variantAccept(_data, visitor);
}
template <typename T>
FORCE_INLINE
typename enable_if<!is_same<T, char *>::value && !is_same<T, char>::value,
T>::type
as() const {
return Converter<T>::fromJson(*this);
}
template <typename T>
FORCE_INLINE typename enable_if<is_same<T, char *>::value, const char *>::type
ARDUINOJSON_DEPRECATED("Replace as<char*>() with as<const char*>()")
as() const {
return as<const char *>();
}
template <typename T>
FORCE_INLINE typename enable_if<is_same<T, char>::value, char>::type
ARDUINOJSON_DEPRECATED(
"Support for char is deprecated, use int8_t or uint8_t instead")
as() const {
return as<signed char>();
}
template <typename T>
FORCE_INLINE
typename enable_if<!is_same<T, char *>::value && !is_same<T, char>::value,
bool>::type
is() const {
return Converter<T>::checkJson(*this);
}
template <typename T>
FORCE_INLINE typename enable_if<is_same<T, char *>::value, bool>::type
ARDUINOJSON_DEPRECATED("Replace is<char*>() with is<const char*>()")
is() const {
return is<const char *>();
}
template <typename T>
FORCE_INLINE typename enable_if<is_same<T, char>::value, bool>::type
ARDUINOJSON_DEPRECATED(
"Support for char is deprecated, use int8_t or uint8_t instead")
is() const {
return is<signed char>();
}
template <typename T>
FORCE_INLINE operator T() const {
return as<T>();
}
FORCE_INLINE VariantConstRef getElement(size_t) const;
FORCE_INLINE VariantConstRef operator[](size_t index) const {
return getElement(index);
}
template <typename TString>
FORCE_INLINE VariantConstRef getMember(const TString &key) const {
return VariantConstRef(
objectGetMember(variantAsObject(_data), adaptString(key)));
}
template <typename TChar>
FORCE_INLINE VariantConstRef getMember(TChar *key) const {
const CollectionData *obj = variantAsObject(_data);
return VariantConstRef(obj ? obj->getMember(adaptString(key)) : 0);
}
template <typename TString>
FORCE_INLINE
typename enable_if<IsString<TString>::value, VariantConstRef>::type
operator[](const TString &key) const {
return getMember(key);
}
template <typename TChar>
FORCE_INLINE
typename enable_if<IsString<TChar *>::value, VariantConstRef>::type
operator[](TChar *key) const {
return getMember(key);
}
};
template <>
struct Converter<VariantRef> {
static bool toJson(VariantRef src, VariantRef dst) {
return variantCopyFrom(getData(dst), getData(src), getPool(dst));
}
static VariantRef fromJson(VariantRef src) {
return src;
}
static InvalidConversion<VariantConstRef, VariantRef> fromJson(
VariantConstRef);
static bool checkJson(VariantRef src) {
VariantData *data = getData(src);
return !!data;
}
static bool checkJson(VariantConstRef) {
return false;
}
};
template <>
struct Converter<VariantConstRef> {
static bool toJson(VariantConstRef src, VariantRef dst) {
return variantCopyFrom(getData(dst), getData(src), getPool(dst));
}
static VariantConstRef fromJson(VariantConstRef src) {
return VariantConstRef(getData(src));
}
static bool checkJson(VariantConstRef src) {
const VariantData *data = getData(src);
return !!data;
}
};
class VariantPtr {
public:
VariantPtr(MemoryPool *pool, VariantData *data) : _variant(pool, data) {}
VariantRef *operator->() {
return &_variant;
}
VariantRef &operator*() {
return _variant;
}
private:
VariantRef _variant;
};
class ArrayIterator {
public:
ArrayIterator() : _slot(0) {}
explicit ArrayIterator(MemoryPool *pool, VariantSlot *slot)
: _pool(pool), _slot(slot) {}
VariantRef operator*() const {
return VariantRef(_pool, _slot->data());
}
VariantPtr operator->() {
return VariantPtr(_pool, _slot->data());
}
bool operator==(const ArrayIterator &other) const {
return _slot == other._slot;
}
bool operator!=(const ArrayIterator &other) const {
return _slot != other._slot;
}
ArrayIterator &operator++() {
_slot = _slot->next();
return *this;
}
ArrayIterator &operator+=(size_t distance) {
_slot = _slot->next(distance);
return *this;
}
VariantSlot *internal() {
return _slot;
}
private:
MemoryPool *_pool;
VariantSlot *_slot;
};
class VariantConstPtr {
public:
VariantConstPtr(const VariantData *data) : _variant(data) {}
VariantConstRef *operator->() {
return &_variant;
}
VariantConstRef &operator*() {
return _variant;
}
private:
VariantConstRef _variant;
};
class ArrayConstRefIterator {
public:
ArrayConstRefIterator() : _slot(0) {}
explicit ArrayConstRefIterator(const VariantSlot *slot) : _slot(slot) {}
VariantConstRef operator*() const {
return VariantConstRef(_slot->data());
}
VariantConstPtr operator->() {
return VariantConstPtr(_slot->data());
}
bool operator==(const ArrayConstRefIterator &other) const {
return _slot == other._slot;
}
bool operator!=(const ArrayConstRefIterator &other) const {
return _slot != other._slot;
}
ArrayConstRefIterator &operator++() {
_slot = _slot->next();
return *this;
}
ArrayConstRefIterator &operator+=(size_t distance) {
_slot = _slot->next(distance);
return *this;
}
const VariantSlot *internal() {
return _slot;
}
private:
const VariantSlot *_slot;
};
} // namespace ARDUINOJSON_NAMESPACE
#define JSON_ARRAY_SIZE(NUMBER_OF_ELEMENTS) \
((NUMBER_OF_ELEMENTS) * sizeof(ARDUINOJSON_NAMESPACE::VariantSlot))
namespace ARDUINOJSON_NAMESPACE {
class ObjectRef;
template <typename>
class ElementProxy;
template <typename TData>
class ArrayRefBase {
public:
operator VariantConstRef() const {
const void* data = _data; // prevent warning cast-align
return VariantConstRef(reinterpret_cast<const VariantData*>(data));
}
template <typename TVisitor>
FORCE_INLINE typename TVisitor::result_type accept(TVisitor& visitor) const {
return arrayAccept(_data, visitor);
}
FORCE_INLINE bool isNull() const {
return _data == 0;
}
FORCE_INLINE operator bool() const {
return _data != 0;
}
FORCE_INLINE size_t memoryUsage() const {
return _data ? _data->memoryUsage() : 0;
}
FORCE_INLINE size_t nesting() const {
return _data ? _data->nesting() : 0;
}
FORCE_INLINE size_t size() const {
return _data ? _data->size() : 0;
}
protected:
ArrayRefBase(TData* data) : _data(data) {}
TData* _data;
};
class ArrayConstRef : public ArrayRefBase<const CollectionData>,
public Visitable {
friend class ArrayRef;
typedef ArrayRefBase<const CollectionData> base_type;
public:
typedef ArrayConstRefIterator iterator;
FORCE_INLINE iterator begin() const {
if (!_data)
return iterator();
return iterator(_data->head());
}
FORCE_INLINE iterator end() const {
return iterator();
}
FORCE_INLINE ArrayConstRef() : base_type(0) {}
FORCE_INLINE ArrayConstRef(const CollectionData* data) : base_type(data) {}
FORCE_INLINE bool operator==(ArrayConstRef rhs) const {
return arrayEquals(_data, rhs._data);
}
FORCE_INLINE VariantConstRef operator[](size_t index) const {
return getElement(index);
}
FORCE_INLINE VariantConstRef getElement(size_t index) const {
return VariantConstRef(_data ? _data->getElement(index) : 0);
}
};
class ArrayRef : public ArrayRefBase<CollectionData>,
public ArrayShortcuts<ArrayRef>,
public Visitable {
typedef ArrayRefBase<CollectionData> base_type;
public:
typedef ArrayIterator iterator;
FORCE_INLINE ArrayRef() : base_type(0), _pool(0) {}
FORCE_INLINE ArrayRef(MemoryPool* pool, CollectionData* data)
: base_type(data), _pool(pool) {}
operator VariantRef() {
void* data = _data; // prevent warning cast-align
return VariantRef(_pool, reinterpret_cast<VariantData*>(data));
}
operator ArrayConstRef() const {
return ArrayConstRef(_data);
}
VariantRef addElement() const {
return VariantRef(_pool, arrayAdd(_data, _pool));
}
FORCE_INLINE iterator begin() const {
if (!_data)
return iterator();
return iterator(_pool, _data->head());
}
FORCE_INLINE iterator end() const {
return iterator();
}
FORCE_INLINE bool set(ArrayConstRef src) const {
if (!_data || !src._data)
return false;
return _data->copyFrom(*src._data, _pool);
}
FORCE_INLINE bool operator==(ArrayRef rhs) const {
return arrayEquals(_data, rhs._data);
}
FORCE_INLINE VariantRef getOrAddElement(size_t index) const {
return VariantRef(_pool, _data ? _data->getOrAddElement(index, _pool) : 0);
}
FORCE_INLINE VariantRef getElement(size_t index) const {
return VariantRef(_pool, _data ? _data->getElement(index) : 0);
}
FORCE_INLINE void remove(iterator it) const {
if (!_data)
return;
_data->removeSlot(it.internal());
}
FORCE_INLINE void remove(size_t index) const {
if (!_data)
return;
_data->removeElement(index);
}
void clear() const {
if (!_data)
return;
_data->clear();
}
private:
MemoryPool* _pool;
};
template <>
struct Converter<ArrayConstRef> {
static bool toJson(VariantConstRef src, VariantRef dst) {
return variantCopyFrom(getData(dst), getData(src), getPool(dst));
}
static ArrayConstRef fromJson(VariantConstRef src) {
return ArrayConstRef(variantAsArray(getData(src)));
}
static bool checkJson(VariantConstRef src) {
const VariantData* data = getData(src);
return data && data->isArray();
}
};
template <>
struct Converter<ArrayRef> {
static bool toJson(VariantConstRef src, VariantRef dst) {
return variantCopyFrom(getData(dst), getData(src), getPool(dst));
}
static ArrayRef fromJson(VariantRef src) {
VariantData* data = getData(src);
MemoryPool* pool = getPool(src);
return ArrayRef(pool, data != 0 ? data->asArray() : 0);
}
static InvalidConversion<VariantConstRef, ArrayRef> fromJson(VariantConstRef);
static bool checkJson(VariantConstRef) {
return false;
}
static bool checkJson(VariantRef src) {
VariantData* data = getData(src);
return data && data->isArray();
}
};
template <typename TVisitor>
typename TVisitor::result_type objectAccept(const CollectionData *obj,
TVisitor &visitor) {
if (obj)
return visitor.visitObject(*obj);
else
return visitor.visitNull();
}
inline bool objectEquals(const CollectionData *lhs, const CollectionData *rhs) {
if (lhs == rhs)
return true;
if (!lhs || !rhs)
return false;
return lhs->equalsObject(*rhs);
}
template <typename TAdaptedString>
inline VariantData *objectGetMember(const CollectionData *obj,
TAdaptedString key) {
if (!obj)
return 0;
return obj->getMember(key);
}
template <typename TAdaptedString>
void objectRemove(CollectionData *obj, TAdaptedString key) {
if (!obj)
return;
obj->removeMember(key);
}
template <typename TAdaptedString>
inline VariantData *objectGetOrAddMember(CollectionData *obj,
TAdaptedString key, MemoryPool *pool) {
if (!obj)
return 0;
return obj->getOrAddMember(key, pool);
}
class String {
public:
String() : _data(0), _isStatic(true) {}
String(const char* data, bool isStaticData = true)
: _data(data), _isStatic(isStaticData) {}
const char* c_str() const {
return _data;
}
bool isNull() const {
return !_data;
}
bool isStatic() const {
return _isStatic;
}
friend bool operator==(String lhs, String rhs) {
if (lhs._data == rhs._data)
return true;
if (!lhs._data)
return false;
if (!rhs._data)
return false;
return strcmp(lhs._data, rhs._data) == 0;
}
friend bool operator!=(String lhs, String rhs) {
if (lhs._data == rhs._data)
return false;
if (!lhs._data)
return true;
if (!rhs._data)
return true;
return strcmp(lhs._data, rhs._data) != 0;
}
private:
const char* _data;
bool _isStatic;
};
class StringAdapter : public RamStringAdapter {
public:
StringAdapter(const String& str)
: RamStringAdapter(str.c_str()), _isStatic(str.isStatic()) {}
bool isStatic() const {
return _isStatic;
}
typedef storage_policies::decide_at_runtime storage_policy;
private:
bool _isStatic;
};
template <>
struct IsString<String> : true_type {};
inline StringAdapter adaptString(const String& str) {
return StringAdapter(str);
}
class Pair {
public:
Pair(MemoryPool* pool, VariantSlot* slot) {
if (slot) {
_key = String(slot->key(), !slot->ownsKey());
_value = VariantRef(pool, slot->data());
}
}
String key() const {
return _key;
}
VariantRef value() const {
return _value;
}
private:
String _key;
VariantRef _value;
};
class PairConst {
public:
PairConst(const VariantSlot* slot) {
if (slot) {
_key = String(slot->key(), !slot->ownsKey());
_value = VariantConstRef(slot->data());
}
}
String key() const {
return _key;
}
VariantConstRef value() const {
return _value;
}
private:
String _key;
VariantConstRef _value;
};
class PairPtr {
public:
PairPtr(MemoryPool *pool, VariantSlot *slot) : _pair(pool, slot) {}
const Pair *operator->() const {
return &_pair;
}
const Pair &operator*() const {
return _pair;
}
private:
Pair _pair;
};
class ObjectIterator {
public:
ObjectIterator() : _slot(0) {}
explicit ObjectIterator(MemoryPool *pool, VariantSlot *slot)
: _pool(pool), _slot(slot) {}
Pair operator*() const {
return Pair(_pool, _slot);
}
PairPtr operator->() {
return PairPtr(_pool, _slot);
}
bool operator==(const ObjectIterator &other) const {
return _slot == other._slot;
}
bool operator!=(const ObjectIterator &other) const {
return _slot != other._slot;
}
ObjectIterator &operator++() {
_slot = _slot->next();
return *this;
}
ObjectIterator &operator+=(size_t distance) {
_slot = _slot->next(distance);
return *this;
}
VariantSlot *internal() {
return _slot;
}
private:
MemoryPool *_pool;
VariantSlot *_slot;
};
class PairConstPtr {
public:
PairConstPtr(const VariantSlot *slot) : _pair(slot) {}
const PairConst *operator->() const {
return &_pair;
}
const PairConst &operator*() const {
return _pair;
}
private:
PairConst _pair;
};
class ObjectConstIterator {
public:
ObjectConstIterator() : _slot(0) {}
explicit ObjectConstIterator(const VariantSlot *slot) : _slot(slot) {}
PairConst operator*() const {
return PairConst(_slot);
}
PairConstPtr operator->() {
return PairConstPtr(_slot);
}
bool operator==(const ObjectConstIterator &other) const {
return _slot == other._slot;
}
bool operator!=(const ObjectConstIterator &other) const {
return _slot != other._slot;
}
ObjectConstIterator &operator++() {
_slot = _slot->next();
return *this;
}
ObjectConstIterator &operator+=(size_t distance) {
_slot = _slot->next(distance);
return *this;
}
const VariantSlot *internal() {
return _slot;
}
private:
const VariantSlot *_slot;
};
} // namespace ARDUINOJSON_NAMESPACE
#define JSON_OBJECT_SIZE(NUMBER_OF_ELEMENTS) \
((NUMBER_OF_ELEMENTS) * sizeof(ARDUINOJSON_NAMESPACE::VariantSlot))
namespace ARDUINOJSON_NAMESPACE {
template <typename TData>
class ObjectRefBase {
public:
operator VariantConstRef() const {
const void* data = _data; // prevent warning cast-align
return VariantConstRef(reinterpret_cast<const VariantData*>(data));
}
template <typename TVisitor>
typename TVisitor::result_type accept(TVisitor& visitor) const {
return objectAccept(_data, visitor);
}
FORCE_INLINE bool isNull() const {
return _data == 0;
}
FORCE_INLINE operator bool() const {
return _data != 0;
}
FORCE_INLINE size_t memoryUsage() const {
return _data ? _data->memoryUsage() : 0;
}
FORCE_INLINE size_t nesting() const {
return _data ? _data->nesting() : 0;
}
FORCE_INLINE size_t size() const {
return _data ? _data->size() : 0;
}
protected:
ObjectRefBase(TData* data) : _data(data) {}
TData* _data;
};
class ObjectConstRef : public ObjectRefBase<const CollectionData>,
public Visitable {
friend class ObjectRef;
typedef ObjectRefBase<const CollectionData> base_type;
public:
typedef ObjectConstIterator iterator;
ObjectConstRef() : base_type(0) {}
ObjectConstRef(const CollectionData* data) : base_type(data) {}
FORCE_INLINE iterator begin() const {
if (!_data)
return iterator();
return iterator(_data->head());
}
FORCE_INLINE iterator end() const {
return iterator();
}
template <typename TString>
FORCE_INLINE bool containsKey(const TString& key) const {
return !getMember(key).isUndefined();
}
template <typename TChar>
FORCE_INLINE bool containsKey(TChar* key) const {
return !getMember(key).isUndefined();
}
template <typename TString>
FORCE_INLINE VariantConstRef getMember(const TString& key) const {
return get_impl(adaptString(key));
}
template <typename TChar>
FORCE_INLINE VariantConstRef getMember(TChar* key) const {
return get_impl(adaptString(key));
}
template <typename TString>
FORCE_INLINE
typename enable_if<IsString<TString>::value, VariantConstRef>::type
operator[](const TString& key) const {
return get_impl(adaptString(key));
}
template <typename TChar>
FORCE_INLINE
typename enable_if<IsString<TChar*>::value, VariantConstRef>::type
operator[](TChar* key) const {
return get_impl(adaptString(key));
}
FORCE_INLINE bool operator==(ObjectConstRef rhs) const {
return objectEquals(_data, rhs._data);
}
private:
template <typename TAdaptedString>
FORCE_INLINE VariantConstRef get_impl(TAdaptedString key) const {
return VariantConstRef(objectGetMember(_data, key));
}
};
class ObjectRef : public ObjectRefBase<CollectionData>,
public ObjectShortcuts<ObjectRef>,
public Visitable {
typedef ObjectRefBase<CollectionData> base_type;
public:
typedef ObjectIterator iterator;
FORCE_INLINE ObjectRef() : base_type(0), _pool(0) {}
FORCE_INLINE ObjectRef(MemoryPool* buf, CollectionData* data)
: base_type(data), _pool(buf) {}
operator VariantRef() const {
void* data = _data; // prevent warning cast-align
return VariantRef(_pool, reinterpret_cast<VariantData*>(data));
}
operator ObjectConstRef() const {
return ObjectConstRef(_data);
}
FORCE_INLINE iterator begin() const {
if (!_data)
return iterator();
return iterator(_pool, _data->head());
}
FORCE_INLINE iterator end() const {
return iterator();
}
void clear() const {
if (!_data)
return;
_data->clear();
}
FORCE_INLINE bool set(ObjectConstRef src) {
if (!_data || !src._data)
return false;
return _data->copyFrom(*src._data, _pool);
}
template <typename TString>
FORCE_INLINE VariantRef getMember(const TString& key) const {
return VariantRef(_pool, objectGetMember(_data, adaptString(key)));
}
template <typename TChar>
FORCE_INLINE VariantRef getMember(TChar* key) const {
return VariantRef(_pool, objectGetMember(_data, adaptString(key)));
}
template <typename TString>
FORCE_INLINE VariantRef getOrAddMember(const TString& key) const {
return VariantRef(_pool,
objectGetOrAddMember(_data, adaptString(key), _pool));
}
template <typename TChar>
FORCE_INLINE VariantRef getOrAddMember(TChar* key) const {
return VariantRef(_pool,
objectGetOrAddMember(_data, adaptString(key), _pool));
}
FORCE_INLINE bool operator==(ObjectRef rhs) const {
return objectEquals(_data, rhs._data);
}
FORCE_INLINE void remove(iterator it) const {
if (!_data)
return;
_data->removeSlot(it.internal());
}
template <typename TString>
FORCE_INLINE void remove(const TString& key) const {
objectRemove(_data, adaptString(key));
}
template <typename TChar>
FORCE_INLINE void remove(TChar* key) const {
objectRemove(_data, adaptString(key));
}
private:
MemoryPool* _pool;
};
template <>
struct Converter<ObjectConstRef> {
static bool toJson(VariantConstRef src, VariantRef dst) {
return variantCopyFrom(getData(dst), getData(src), getPool(dst));
}
static ObjectConstRef fromJson(VariantConstRef src) {
return ObjectConstRef(variantAsObject(getData(src)));
}
static bool checkJson(VariantConstRef src) {
const VariantData* data = getData(src);
return data && data->isObject();
}
};
template <>
struct Converter<ObjectRef> {
static bool toJson(VariantConstRef src, VariantRef dst) {
return variantCopyFrom(getData(dst), getData(src), getPool(dst));
}
static ObjectRef fromJson(VariantRef src) {
VariantData* data = getData(src);
MemoryPool* pool = getPool(src);
return ObjectRef(pool, data != 0 ? data->asObject() : 0);
}
static InvalidConversion<VariantConstRef, ObjectRef> fromJson(
VariantConstRef);
static bool checkJson(VariantConstRef) {
return false;
}
static bool checkJson(VariantRef src) {
VariantData* data = getData(src);
return data && data->isObject();
}
};
class ArrayRef;
class ObjectRef;
class VariantRef;
template <typename T>
struct VariantTo {};
template <>
struct VariantTo<ArrayRef> {
typedef ArrayRef type;
};
template <>
struct VariantTo<ObjectRef> {
typedef ObjectRef type;
};
template <>
struct VariantTo<VariantRef> {
typedef VariantRef type;
};
} // namespace ARDUINOJSON_NAMESPACE
#ifdef _MSC_VER
# pragma warning(push)
# pragma warning(disable : 4522)
#endif
namespace ARDUINOJSON_NAMESPACE {
template <typename TArray>
class ElementProxy : public VariantOperators<ElementProxy<TArray> >,
public VariantShortcuts<ElementProxy<TArray> >,
public Visitable,
public VariantTag {
typedef ElementProxy<TArray> this_type;
public:
typedef VariantRef variant_type;
FORCE_INLINE ElementProxy(TArray array, size_t index)
: _array(array), _index(index) {}
FORCE_INLINE ElementProxy(const ElementProxy& src)
: _array(src._array), _index(src._index) {}
FORCE_INLINE this_type& operator=(const this_type& src) {
getOrAddUpstreamElement().set(src.as<VariantConstRef>());
return *this;
}
template <typename T>
FORCE_INLINE this_type& operator=(const T& src) {
getOrAddUpstreamElement().set(src);
return *this;
}
template <typename T>
FORCE_INLINE this_type& operator=(T* src) {
getOrAddUpstreamElement().set(src);
return *this;
}
FORCE_INLINE void clear() const {
getUpstreamElement().clear();
}
FORCE_INLINE bool isNull() const {
return getUpstreamElement().isNull();
}
template <typename T>
FORCE_INLINE typename enable_if<!is_same<T, char*>::value, T>::type as()
const {
return getUpstreamElement().template as<T>();
}
template <typename T>
FORCE_INLINE typename enable_if<is_same<T, char*>::value, const char*>::type
ARDUINOJSON_DEPRECATED("Replace as<char*>() with as<const char*>()")
as() const {
return as<const char*>();
}
template <typename T>
FORCE_INLINE operator T() const {
return getUpstreamElement();
}
template <typename T>
FORCE_INLINE bool is() const {
return getUpstreamElement().template is<T>();
}
template <typename T>
FORCE_INLINE typename VariantTo<T>::type to() const {
return getOrAddUpstreamElement().template to<T>();
}
template <typename TValue>
FORCE_INLINE bool set(const TValue& value) const {
return getOrAddUpstreamElement().set(value);
}
template <typename TValue>
FORCE_INLINE bool set(TValue* value) const {
return getOrAddUpstreamElement().set(value);
}
template <typename TVisitor>
typename TVisitor::result_type accept(TVisitor& visitor) const {
return getUpstreamElement().accept(visitor);
}
FORCE_INLINE size_t size() const {
return getUpstreamElement().size();
}
template <typename TNestedKey>
VariantRef getMember(TNestedKey* key) const {
return getUpstreamElement().getMember(key);
}
template <typename TNestedKey>
VariantRef getMember(const TNestedKey& key) const {
return getUpstreamElement().getMember(key);
}
template <typename TNestedKey>
VariantRef getOrAddMember(TNestedKey* key) const {
return getOrAddUpstreamElement().getOrAddMember(key);
}
template <typename TNestedKey>
VariantRef getOrAddMember(const TNestedKey& key) const {
return getOrAddUpstreamElement().getOrAddMember(key);
}
VariantRef addElement() const {
return getOrAddUpstreamElement().addElement();
}
VariantRef getElement(size_t index) const {
return getOrAddUpstreamElement().getElement(index);
}
VariantRef getOrAddElement(size_t index) const {
return getOrAddUpstreamElement().getOrAddElement(index);
}
FORCE_INLINE void remove(size_t index) const {
getUpstreamElement().remove(index);
}
template <typename TChar>
FORCE_INLINE typename enable_if<IsString<TChar*>::value>::type remove(
TChar* key) const {
getUpstreamElement().remove(key);
}
template <typename TString>
FORCE_INLINE typename enable_if<IsString<TString>::value>::type remove(
const TString& key) const {
getUpstreamElement().remove(key);
}
private:
FORCE_INLINE VariantRef getUpstreamElement() const {
return _array.getElement(_index);
}
FORCE_INLINE VariantRef getOrAddUpstreamElement() const {
return _array.getOrAddElement(_index);
}
friend bool convertToJson(const this_type& src, VariantRef dst) {
return dst.set(src.getUpstreamElement());
}
TArray _array;
const size_t _index;
};
} // namespace ARDUINOJSON_NAMESPACE
#ifdef _MSC_VER
# pragma warning(pop)
#endif
#ifdef _MSC_VER
# pragma warning(push)
# pragma warning(disable : 4522)
#endif
namespace ARDUINOJSON_NAMESPACE {
template <typename TObject, typename TStringRef>
class MemberProxy : public VariantOperators<MemberProxy<TObject, TStringRef> >,
public VariantShortcuts<MemberProxy<TObject, TStringRef> >,
public Visitable,
public VariantTag {
typedef MemberProxy<TObject, TStringRef> this_type;
public:
typedef VariantRef variant_type;
FORCE_INLINE MemberProxy(TObject variant, TStringRef key)
: _object(variant), _key(key) {}
FORCE_INLINE MemberProxy(const MemberProxy &src)
: _object(src._object), _key(src._key) {}
FORCE_INLINE operator VariantConstRef() const {
return getUpstreamMember();
}
FORCE_INLINE this_type &operator=(const this_type &src) {
getOrAddUpstreamMember().set(src);
return *this;
}
template <typename TValue>
FORCE_INLINE typename enable_if<!is_array<TValue>::value, this_type &>::type
operator=(const TValue &src) {
getOrAddUpstreamMember().set(src);
return *this;
}
template <typename TChar>
FORCE_INLINE this_type &operator=(TChar *src) {
getOrAddUpstreamMember().set(src);
return *this;
}
FORCE_INLINE void clear() const {
getUpstreamMember().clear();
}
FORCE_INLINE bool isNull() const {
return getUpstreamMember().isNull();
}
template <typename T>
FORCE_INLINE typename enable_if<!is_same<T, char *>::value, T>::type as()
const {
return getUpstreamMember().template as<T>();
}
template <typename T>
FORCE_INLINE typename enable_if<is_same<T, char *>::value, const char *>::type
ARDUINOJSON_DEPRECATED("Replace as<char*>() with as<const char*>()")
as() const {
return as<const char *>();
}
template <typename T>
FORCE_INLINE operator T() const {
return getUpstreamMember();
}
template <typename TValue>
FORCE_INLINE bool is() const {
return getUpstreamMember().template is<TValue>();
}
FORCE_INLINE size_t size() const {
return getUpstreamMember().size();
}
FORCE_INLINE void remove(size_t index) const {
getUpstreamMember().remove(index);
}
template <typename TChar>
FORCE_INLINE typename enable_if<IsString<TChar *>::value>::type remove(
TChar *key) const {
getUpstreamMember().remove(key);
}
template <typename TString>
FORCE_INLINE typename enable_if<IsString<TString>::value>::type remove(
const TString &key) const {
getUpstreamMember().remove(key);
}
template <typename TValue>
FORCE_INLINE typename VariantTo<TValue>::type to() {
return getOrAddUpstreamMember().template to<TValue>();
}
template <typename TValue>
FORCE_INLINE bool set(const TValue &value) {
return getOrAddUpstreamMember().set(value);
}
template <typename TChar>
FORCE_INLINE bool set(TChar *value) {
return getOrAddUpstreamMember().set(value);
}
template <typename TVisitor>
typename TVisitor::result_type accept(TVisitor &visitor) const {
return getUpstreamMember().accept(visitor);
}
FORCE_INLINE VariantRef addElement() const {
return getOrAddUpstreamMember().addElement();
}
FORCE_INLINE VariantRef getElement(size_t index) const {
return getUpstreamMember().getElement(index);
}
FORCE_INLINE VariantRef getOrAddElement(size_t index) const {
return getOrAddUpstreamMember().getOrAddElement(index);
}
template <typename TChar>
FORCE_INLINE VariantRef getMember(TChar *key) const {
return getUpstreamMember().getMember(key);
}
template <typename TString>
FORCE_INLINE VariantRef getMember(const TString &key) const {
return getUpstreamMember().getMember(key);
}
template <typename TChar>
FORCE_INLINE VariantRef getOrAddMember(TChar *key) const {
return getOrAddUpstreamMember().getOrAddMember(key);
}
template <typename TString>
FORCE_INLINE VariantRef getOrAddMember(const TString &key) const {
return getOrAddUpstreamMember().getOrAddMember(key);
}
private:
FORCE_INLINE VariantRef getUpstreamMember() const {
return _object.getMember(_key);
}
FORCE_INLINE VariantRef getOrAddUpstreamMember() const {
return _object.getOrAddMember(_key);
}
friend bool convertToJson(const this_type &src, VariantRef dst) {
return dst.set(src.getUpstreamMember());
}
TObject _object;
TStringRef _key;
};
} // namespace ARDUINOJSON_NAMESPACE
#ifdef _MSC_VER
# pragma warning(pop)
#endif
namespace ARDUINOJSON_NAMESPACE {
class JsonDocument : public Visitable {
public:
template <typename TVisitor>
typename TVisitor::result_type accept(TVisitor& visitor) const {
return getVariant().accept(visitor);
}
template <typename T>
T as() {
return getVariant().template as<T>();
}
template <typename T>
T as() const {
return getVariant().template as<T>();
}
void clear() {
_pool.clear();
_data.init();
}
template <typename T>
bool is() {
return getVariant().template is<T>();
}
template <typename T>
bool is() const {
return getVariant().template is<T>();
}
bool isNull() const {
return getVariant().isNull();
}
size_t memoryUsage() const {
return _pool.size();
}
bool overflowed() const {
return _pool.overflowed();
}
size_t nesting() const {
return _data.nesting();
}
size_t capacity() const {
return _pool.capacity();
}
size_t size() const {
return _data.size();
}
bool set(const JsonDocument& src) {
return to<VariantRef>().set(src.as<VariantConstRef>());
}
template <typename T>
typename enable_if<!is_base_of<JsonDocument, T>::value, bool>::type set(
const T& src) {
return to<VariantRef>().set(src);
}
template <typename T>
typename VariantTo<T>::type to() {
clear();
return getVariant().template to<T>();
}
MemoryPool& memoryPool() {
return _pool;
}
VariantData& data() {
return _data;
}
ArrayRef createNestedArray() {
return addElement().to<ArrayRef>();
}
template <typename TChar>
ArrayRef createNestedArray(TChar* key) {
return getOrAddMember(key).template to<ArrayRef>();
}
template <typename TString>
ArrayRef createNestedArray(const TString& key) {
return getOrAddMember(key).template to<ArrayRef>();
}
ObjectRef createNestedObject() {
return addElement().to<ObjectRef>();
}
template <typename TChar>
ObjectRef createNestedObject(TChar* key) {
return getOrAddMember(key).template to<ObjectRef>();
}
template <typename TString>
ObjectRef createNestedObject(const TString& key) {
return getOrAddMember(key).template to<ObjectRef>();
}
template <typename TChar>
bool containsKey(TChar* key) const {
return !getMember(key).isUndefined();
}
template <typename TString>
bool containsKey(const TString& key) const {
return !getMember(key).isUndefined();
}
template <typename TString>
FORCE_INLINE typename enable_if<IsString<TString>::value,
MemberProxy<JsonDocument&, TString> >::type
operator[](const TString& key) {
return MemberProxy<JsonDocument&, TString>(*this, key);
}
template <typename TChar>
FORCE_INLINE typename enable_if<IsString<TChar*>::value,
MemberProxy<JsonDocument&, TChar*> >::type
operator[](TChar* key) {
return MemberProxy<JsonDocument&, TChar*>(*this, key);
}
template <typename TString>
FORCE_INLINE
typename enable_if<IsString<TString>::value, VariantConstRef>::type
operator[](const TString& key) const {
return getMember(key);
}
template <typename TChar>
FORCE_INLINE
typename enable_if<IsString<TChar*>::value, VariantConstRef>::type
operator[](TChar* key) const {
return getMember(key);
}
FORCE_INLINE ElementProxy<JsonDocument&> operator[](size_t index) {
return ElementProxy<JsonDocument&>(*this, index);
}
FORCE_INLINE VariantConstRef operator[](size_t index) const {
return getElement(index);
}
FORCE_INLINE VariantRef getElement(size_t index) {
return VariantRef(&_pool, _data.getElement(index));
}
FORCE_INLINE VariantConstRef getElement(size_t index) const {
return VariantConstRef(_data.getElement(index));
}
FORCE_INLINE VariantRef getOrAddElement(size_t index) {
return VariantRef(&_pool, _data.getOrAddElement(index, &_pool));
}
template <typename TChar>
FORCE_INLINE VariantConstRef getMember(TChar* key) const {
return VariantConstRef(_data.getMember(adaptString(key)));
}
template <typename TString>
FORCE_INLINE
typename enable_if<IsString<TString>::value, VariantConstRef>::type
getMember(const TString& key) const {
return VariantConstRef(_data.getMember(adaptString(key)));
}
template <typename TChar>
FORCE_INLINE VariantRef getMember(TChar* key) {
return VariantRef(&_pool, _data.getMember(adaptString(key)));
}
template <typename TString>
FORCE_INLINE typename enable_if<IsString<TString>::value, VariantRef>::type
getMember(const TString& key) {
return VariantRef(&_pool, _data.getMember(adaptString(key)));
}
template <typename TChar>
FORCE_INLINE VariantRef getOrAddMember(TChar* key) {
return VariantRef(&_pool, _data.getOrAddMember(adaptString(key), &_pool));
}
template <typename TString>
FORCE_INLINE VariantRef getOrAddMember(const TString& key) {
return VariantRef(&_pool, _data.getOrAddMember(adaptString(key), &_pool));
}
FORCE_INLINE VariantRef addElement() {
return VariantRef(&_pool, _data.addElement(&_pool));
}
template <typename TValue>
FORCE_INLINE bool add(const TValue& value) {
return addElement().set(value);
}
template <typename TChar>
FORCE_INLINE bool add(TChar* value) {
return addElement().set(value);
}
FORCE_INLINE void remove(size_t index) {
_data.remove(index);
}
template <typename TChar>
FORCE_INLINE typename enable_if<IsString<TChar*>::value>::type remove(
TChar* key) {
_data.remove(adaptString(key));
}
template <typename TString>
FORCE_INLINE typename enable_if<IsString<TString>::value>::type remove(
const TString& key) {
_data.remove(adaptString(key));
}
FORCE_INLINE operator VariantConstRef() const {
return VariantConstRef(&_data);
}
bool operator==(VariantConstRef rhs) const {
return getVariant() == rhs;
}
bool operator!=(VariantConstRef rhs) const {
return getVariant() != rhs;
}
protected:
JsonDocument() : _pool(0, 0) {
_data.init();
}
JsonDocument(MemoryPool pool) : _pool(pool) {
_data.init();
}
JsonDocument(char* buf, size_t capa) : _pool(buf, capa) {
_data.init();
}
~JsonDocument() {}
void replacePool(MemoryPool pool) {
_pool = pool;
}
VariantRef getVariant() {
return VariantRef(&_pool, &_data);
}
VariantConstRef getVariant() const {
return VariantConstRef(&_data);
}
MemoryPool _pool;
VariantData _data;
private:
JsonDocument(const JsonDocument&);
JsonDocument& operator=(const JsonDocument&);
};
inline bool convertToJson(const JsonDocument& src, VariantRef dst) {
return dst.set(src.as<VariantConstRef>());
}
template <typename TAllocator>
class AllocatorOwner {
public:
AllocatorOwner() {}
AllocatorOwner(const AllocatorOwner& src) : _allocator(src._allocator) {}
AllocatorOwner(TAllocator a) : _allocator(a) {}
void* allocate(size_t size) {
return _allocator.allocate(size);
}
void deallocate(void* ptr) {
if (ptr)
_allocator.deallocate(ptr);
}
void* reallocate(void* ptr, size_t new_size) {
return _allocator.reallocate(ptr, new_size);
}
TAllocator& allocator() {
return _allocator;
}
private:
TAllocator _allocator;
};
template <typename TAllocator>
class BasicJsonDocument : AllocatorOwner<TAllocator>, public JsonDocument {
public:
explicit BasicJsonDocument(size_t capa, TAllocator alloc = TAllocator())
: AllocatorOwner<TAllocator>(alloc), JsonDocument(allocPool(capa)) {}
BasicJsonDocument(const BasicJsonDocument& src)
: AllocatorOwner<TAllocator>(src), JsonDocument() {
copyAssignFrom(src);
}
#if ARDUINOJSON_HAS_RVALUE_REFERENCES
BasicJsonDocument(BasicJsonDocument&& src) : AllocatorOwner<TAllocator>(src) {
moveAssignFrom(src);
}
#endif
BasicJsonDocument(const JsonDocument& src) {
copyAssignFrom(src);
}
template <typename T>
BasicJsonDocument(
const T& src,
typename enable_if<
is_same<T, VariantRef>::value || is_same<T, VariantConstRef>::value ||
is_same<T, ArrayRef>::value || is_same<T, ArrayConstRef>::value ||
is_same<T, ObjectRef>::value ||
is_same<T, ObjectConstRef>::value>::type* = 0)
: JsonDocument(allocPool(src.memoryUsage())) {
set(src);
}
BasicJsonDocument(VariantRef src)
: JsonDocument(allocPool(src.memoryUsage())) {
set(src);
}
~BasicJsonDocument() {
freePool();
}
BasicJsonDocument& operator=(const BasicJsonDocument& src) {
copyAssignFrom(src);
return *this;
}
#if ARDUINOJSON_HAS_RVALUE_REFERENCES
BasicJsonDocument& operator=(BasicJsonDocument&& src) {
moveAssignFrom(src);
return *this;
}
#endif
template <typename T>
BasicJsonDocument& operator=(const T& src) {
reallocPoolIfTooSmall(src.memoryUsage());
set(src);
return *this;
}
void shrinkToFit() {
ptrdiff_t bytes_reclaimed = _pool.squash();
if (bytes_reclaimed == 0)
return;
void* old_ptr = _pool.buffer();
void* new_ptr = this->reallocate(old_ptr, _pool.capacity());
ptrdiff_t ptr_offset =
static_cast<char*>(new_ptr) - static_cast<char*>(old_ptr);
_pool.movePointers(ptr_offset);
_data.movePointers(ptr_offset, ptr_offset - bytes_reclaimed);
}
bool garbageCollect() {
BasicJsonDocument tmp(*this);
if (!tmp.capacity())
return false;
tmp.set(*this);
moveAssignFrom(tmp);
return true;
}
using AllocatorOwner<TAllocator>::allocator;
private:
MemoryPool allocPool(size_t requiredSize) {
size_t capa = addPadding(requiredSize);
return MemoryPool(reinterpret_cast<char*>(this->allocate(capa)), capa);
}
void reallocPoolIfTooSmall(size_t requiredSize) {
if (requiredSize <= capacity())
return;
freePool();
replacePool(allocPool(addPadding(requiredSize)));
}
void freePool() {
this->deallocate(memoryPool().buffer());
}
void copyAssignFrom(const JsonDocument& src) {
reallocPoolIfTooSmall(src.capacity());
set(src);
}
void moveAssignFrom(BasicJsonDocument& src) {
freePool();
_data = src._data;
_pool = src._pool;
src._data.setNull();
src._pool = MemoryPool(0, 0);
}
};
} // namespace ARDUINOJSON_NAMESPACE
#include <stdlib.h>
namespace ARDUINOJSON_NAMESPACE {
struct DefaultAllocator {
void* allocate(size_t size) {
return malloc(size);
}
void deallocate(void* ptr) {
free(ptr);
}
void* reallocate(void* ptr, size_t new_size) {
return realloc(ptr, new_size);
}
};
typedef BasicJsonDocument<DefaultAllocator> DynamicJsonDocument;
template <size_t desiredCapacity>
class StaticJsonDocument : public JsonDocument {
static const size_t _capacity =
AddPadding<Max<1, desiredCapacity>::value>::value;
public:
StaticJsonDocument() : JsonDocument(_buffer, _capacity) {}
StaticJsonDocument(const StaticJsonDocument& src)
: JsonDocument(_buffer, _capacity) {
set(src);
}
template <typename T>
StaticJsonDocument(const T& src,
typename enable_if<IsVisitable<T>::value>::type* = 0)
: JsonDocument(_buffer, _capacity) {
set(src);
}
StaticJsonDocument(VariantRef src) : JsonDocument(_buffer, _capacity) {
set(src);
}
StaticJsonDocument operator=(const StaticJsonDocument& src) {
set(src);
return *this;
}
template <typename T>
StaticJsonDocument operator=(const T& src) {
set(src);
return *this;
}
void garbageCollect() {
StaticJsonDocument tmp(*this);
set(tmp);
}
private:
char _buffer[_capacity];
};
template <typename TArray>
inline ArrayRef ArrayShortcuts<TArray>::createNestedArray() const {
return impl()->addElement().template to<ArrayRef>();
}
template <typename TArray>
inline ObjectRef ArrayShortcuts<TArray>::createNestedObject() const {
return impl()->addElement().template to<ObjectRef>();
}
template <typename TArray>
inline ElementProxy<TArray> ArrayShortcuts<TArray>::operator[](
size_t index) const {
return ElementProxy<TArray>(*impl(), index);
}
template <typename TResult>
struct Visitor {
typedef TResult result_type;
TResult visitArray(const CollectionData &) {
return TResult();
}
TResult visitBoolean(bool) {
return TResult();
}
TResult visitFloat(Float) {
return TResult();
}
TResult visitSignedInteger(Integer) {
return TResult();
}
TResult visitNull() {
return TResult();
}
TResult visitObject(const CollectionData &) {
return TResult();
}
TResult visitUnsignedInteger(UInt) {
return TResult();
}
TResult visitRawJson(const char *, size_t) {
return TResult();
}
TResult visitString(const char *) {
return TResult();
}
};
template <typename T, size_t N, typename TDestination>
inline typename enable_if<!is_array<T>::value &&
!is_base_of<JsonDocument, TDestination>::value,
bool>::type
copyArray(T (&src)[N], const TDestination& dst) {
return copyArray(src, N, dst);
}
template <typename T, size_t N>
inline bool copyArray(T (&src)[N], JsonDocument& dst) {
return copyArray(src, dst.to<ArrayRef>());
}
template <typename T, typename TDestination>
inline typename enable_if<!is_array<T>::value &&
!is_base_of<JsonDocument, TDestination>::value,
bool>::type
copyArray(T* src, size_t len, const TDestination& dst) {
bool ok = true;
for (size_t i = 0; i < len; i++) {
ok &= dst.add(src[i]);
}
return ok;
}
template <typename T>
inline bool copyArray(T* src, size_t len, JsonDocument& dst) {
return copyArray(src, len, dst.to<ArrayRef>());
}
template <typename T, size_t N1, size_t N2, typename TDestination>
inline typename enable_if<!is_base_of<JsonDocument, TDestination>::value,
bool>::type
copyArray(T (&src)[N1][N2], const TDestination& dst) {
bool ok = true;
for (size_t i = 0; i < N1; i++) {
ArrayRef nestedArray = dst.createNestedArray();
for (size_t j = 0; j < N2; j++) {
ok &= nestedArray.add(src[i][j]);
}
}
return ok;
}
template <typename T, size_t N1, size_t N2>
inline bool copyArray(T (&src)[N1][N2], JsonDocument& dst) {
return copyArray(src, dst.to<ArrayRef>());
}
template <typename T>
class ArrayCopier1D : public Visitor<size_t> {
public:
ArrayCopier1D(T* destination, size_t capacity)
: _destination(destination), _capacity(capacity) {}
size_t visitArray(const CollectionData& array) {
size_t size = 0;
VariantSlot* slot = array.head();
while (slot != 0 && size < _capacity) {
_destination[size++] =
Converter<T>::fromJson(VariantConstRef(slot->data()));
slot = slot->next();
}
return size;
}
private:
T* _destination;
size_t _capacity;
};
template <typename T, size_t N1, size_t N2>
class ArrayCopier2D : public Visitor<void> {
public:
ArrayCopier2D(T (*destination)[N1][N2]) : _destination(destination) {}
void visitArray(const CollectionData& array) {
VariantSlot* slot = array.head();
size_t n = 0;
while (slot != 0 && n < N1) {
ArrayCopier1D<T> copier((*_destination)[n++], N2);
variantAccept(slot->data(), copier);
slot = slot->next();
}
}
private:
T (*_destination)[N1][N2];
size_t _capacity1, _capacity2;
};
template <typename TSource, typename T, size_t N>
inline typename enable_if<!is_array<T>::value, size_t>::type copyArray(
const TSource& src, T (&dst)[N]) {
return copyArray(src, dst, N);
}
template <typename TSource, typename T>
inline size_t copyArray(const TSource& src, T* dst, size_t len) {
ArrayCopier1D<T> copier(dst, len);
return src.accept(copier);
}
template <typename TSource, typename T, size_t N1, size_t N2>
inline void copyArray(const TSource& src, T (&dst)[N1][N2]) {
ArrayCopier2D<T, N1, N2> copier(&dst);
src.accept(copier);
}
inline bool variantEquals(const VariantData* a, const VariantData* b) {
return variantCompare(a, b) == COMPARE_RESULT_EQUAL;
}
inline VariantSlot* CollectionData::addSlot(MemoryPool* pool) {
VariantSlot* slot = pool->allocVariant();
if (!slot)
return 0;
if (_tail) {
_tail->setNextNotNull(slot);
_tail = slot;
} else {
_head = slot;
_tail = slot;
}
slot->clear();
return slot;
}
inline VariantData* CollectionData::addElement(MemoryPool* pool) {
return slotData(addSlot(pool));
}
template <typename TAdaptedString>
inline VariantData* CollectionData::addMember(TAdaptedString key,
MemoryPool* pool) {
VariantSlot* slot = addSlot(pool);
if (!slotSetKey(slot, key, pool)) {
removeSlot(slot);
return 0;
}
return slot->data();
}
inline void CollectionData::clear() {
_head = 0;
_tail = 0;
}
template <typename TAdaptedString>
inline bool CollectionData::containsKey(const TAdaptedString& key) const {
return getSlot(key) != 0;
}
inline bool CollectionData::copyFrom(const CollectionData& src,
MemoryPool* pool) {
clear();
for (VariantSlot* s = src._head; s; s = s->next()) {
VariantData* var;
if (s->key() != 0) {
if (s->ownsKey())
var = addMember(RamStringAdapter(s->key()), pool);
else
var = addMember(ConstRamStringAdapter(s->key()), pool);
} else {
var = addElement(pool);
}
if (!var)
return false;
if (!var->copyFrom(*s->data(), pool))
return false;
}
return true;
}
inline bool CollectionData::equalsObject(const CollectionData& other) const {
size_t count = 0;
for (VariantSlot* slot = _head; slot; slot = slot->next()) {
VariantData* v1 = slot->data();
VariantData* v2 = other.getMember(adaptString(slot->key()));
if (!variantEquals(v1, v2))
return false;
count++;
}
return count == other.size();
}
inline bool CollectionData::equalsArray(const CollectionData& other) const {
VariantSlot* s1 = _head;
VariantSlot* s2 = other._head;
for (;;) {
if (s1 == s2)
return true;
if (!s1 || !s2)
return false;
if (!variantEquals(s1->data(), s2->data()))
return false;
s1 = s1->next();
s2 = s2->next();
}
}
template <typename TAdaptedString>
inline VariantSlot* CollectionData::getSlot(TAdaptedString key) const {
VariantSlot* slot = _head;
while (slot) {
if (key.equals(slot->key()))
break;
slot = slot->next();
}
return slot;
}
inline VariantSlot* CollectionData::getSlot(size_t index) const {
if (!_head)
return 0;
return _head->next(index);
}
inline VariantSlot* CollectionData::getPreviousSlot(VariantSlot* target) const {
VariantSlot* current = _head;
while (current) {
VariantSlot* next = current->next();
if (next == target)
return current;
current = next;
}
return 0;
}
template <typename TAdaptedString>
inline VariantData* CollectionData::getMember(TAdaptedString key) const {
VariantSlot* slot = getSlot(key);
return slot ? slot->data() : 0;
}
template <typename TAdaptedString>
inline VariantData* CollectionData::getOrAddMember(TAdaptedString key,
MemoryPool* pool) {
if (key.isNull())
return 0;
VariantSlot* slot = getSlot(key);
if (slot)
return slot->data();
return addMember(key, pool);
}
inline VariantData* CollectionData::getElement(size_t index) const {
VariantSlot* slot = getSlot(index);
return slot ? slot->data() : 0;
}
inline VariantData* CollectionData::getOrAddElement(size_t index,
MemoryPool* pool) {
VariantSlot* slot = _head;
while (slot && index > 0) {
slot = slot->next();
index--;
}
if (!slot)
index++;
while (index > 0) {
slot = addSlot(pool);
index--;
}
return slotData(slot);
}
inline void CollectionData::removeSlot(VariantSlot* slot) {
if (!slot)
return;
VariantSlot* prev = getPreviousSlot(slot);
VariantSlot* next = slot->next();
if (prev)
prev->setNext(next);
else
_head = next;
if (!next)
_tail = prev;
}
inline void CollectionData::removeElement(size_t index) {
removeSlot(getSlot(index));
}
inline size_t CollectionData::memoryUsage() const {
size_t total = 0;
for (VariantSlot* s = _head; s; s = s->next()) {
total += sizeof(VariantSlot) + s->data()->memoryUsage();
if (s->ownsKey())
total += strlen(s->key()) + 1;
}
return total;
}
inline size_t CollectionData::nesting() const {
size_t maxChildNesting = 0;
for (VariantSlot* s = _head; s; s = s->next()) {
size_t childNesting = s->data()->nesting();
if (childNesting > maxChildNesting)
maxChildNesting = childNesting;
}
return maxChildNesting + 1;
}
inline size_t CollectionData::size() const {
return slotSize(_head);
}
template <typename T>
inline void movePointer(T*& p, ptrdiff_t offset) {
if (!p)
return;
p = reinterpret_cast<T*>(
reinterpret_cast<void*>(reinterpret_cast<char*>(p) + offset));
ARDUINOJSON_ASSERT(isAligned(p));
}
inline void CollectionData::movePointers(ptrdiff_t stringDistance,
ptrdiff_t variantDistance) {
movePointer(_head, variantDistance);
movePointer(_tail, variantDistance);
for (VariantSlot* slot = _head; slot; slot = slot->next())
slot->movePointers(stringDistance, variantDistance);
}
template <typename TObject>
template <typename TString>
inline ArrayRef ObjectShortcuts<TObject>::createNestedArray(
const TString& key) const {
return impl()->getOrAddMember(key).template to<ArrayRef>();
}
template <typename TObject>
template <typename TChar>
inline ArrayRef ObjectShortcuts<TObject>::createNestedArray(TChar* key) const {
return impl()->getOrAddMember(key).template to<ArrayRef>();
}
template <typename TObject>
template <typename TString>
inline ObjectRef ObjectShortcuts<TObject>::createNestedObject(
const TString& key) const {
return impl()->getOrAddMember(key).template to<ObjectRef>();
}
template <typename TObject>
template <typename TChar>
inline ObjectRef ObjectShortcuts<TObject>::createNestedObject(
TChar* key) const {
return impl()->getOrAddMember(key).template to<ObjectRef>();
}
template <typename TObject>
template <typename TString>
inline typename enable_if<IsString<TString>::value, bool>::type
ObjectShortcuts<TObject>::containsKey(const TString& key) const {
return !impl()->getMember(key).isUndefined();
}
template <typename TObject>
template <typename TChar>
inline typename enable_if<IsString<TChar*>::value, bool>::type
ObjectShortcuts<TObject>::containsKey(TChar* key) const {
return !impl()->getMember(key).isUndefined();
}
template <typename TObject>
template <typename TString>
inline typename enable_if<IsString<TString*>::value,
MemberProxy<TObject, TString*> >::type
ObjectShortcuts<TObject>::operator[](TString* key) const {
return MemberProxy<TObject, TString*>(*impl(), key);
}
template <typename TObject>
template <typename TString>
inline typename enable_if<IsString<TString>::value,
MemberProxy<TObject, TString> >::type
ObjectShortcuts<TObject>::operator[](const TString& key) const {
return MemberProxy<TObject, TString>(*impl(), key);
}
} // namespace ARDUINOJSON_NAMESPACE
#if ARDUINOJSON_ENABLE_ARDUINO_STRING
#endif
#if ARDUINOJSON_ENABLE_STD_STRING
#endif
namespace ARDUINOJSON_NAMESPACE {
template <typename>
struct IsWriteableString : false_type {};
#if ARDUINOJSON_ENABLE_ARDUINO_STRING
template <>
struct IsWriteableString< ::String> : true_type {};
#endif
#if ARDUINOJSON_ENABLE_STD_STRING
template <typename TCharTraits, typename TAllocator>
struct IsWriteableString<std::basic_string<char, TCharTraits, TAllocator> >
: true_type {};
#endif
template <typename T, typename Enable>
struct Converter {
static bool toJson(const T& src, VariantRef dst) {
return convertToJson(src, dst); // Error here? See https://arduinojson.org/v6/unsupported-set/
}
static T fromJson(VariantConstRef src) {
T result; // Error here? See https://arduinojson.org/v6/non-default-constructible/
convertFromJson(src, result); // Error here? See https://arduinojson.org/v6/unsupported-as/
return result;
}
static bool checkJson(VariantConstRef src) {
T dummy;
return canConvertFromJson(src, dummy); // Error here? See https://arduinojson.org/v6/unsupported-is/
}
};
template <typename T>
struct Converter<
T, typename enable_if<is_integral<T>::value && !is_same<bool, T>::value &&
!is_same<char, T>::value>::type> {
static bool toJson(T src, VariantRef dst) {
VariantData* data = getData(dst);
ARDUINOJSON_ASSERT_INTEGER_TYPE_IS_SUPPORTED(T);
if (!data)
return false;
data->setInteger(src);
return true;
}
static T fromJson(VariantConstRef src) {
ARDUINOJSON_ASSERT_INTEGER_TYPE_IS_SUPPORTED(T);
const VariantData* data = getData(src);
return data ? data->asIntegral<T>() : T();
}
static bool checkJson(VariantConstRef src) {
const VariantData* data = getData(src);
return data && data->isInteger<T>();
}
};
template <typename T>
struct Converter<T, typename enable_if<is_enum<T>::value>::type> {
static bool toJson(T src, VariantRef dst) {
return dst.set(static_cast<Integer>(src));
}
static T fromJson(VariantConstRef src) {
const VariantData* data = getData(src);
return data ? static_cast<T>(data->asIntegral<int>()) : T();
}
static bool checkJson(VariantConstRef src) {
const VariantData* data = getData(src);
return data && data->isInteger<int>();
}
};
template <>
struct Converter<bool> {
static bool toJson(bool src, VariantRef dst) {
VariantData* data = getData(dst);
if (!data)
return false;
data->setBoolean(src);
return true;
}
static bool fromJson(VariantConstRef src) {
const VariantData* data = getData(src);
return data ? data->asBoolean() : false;
}
static bool checkJson(VariantConstRef src) {
const VariantData* data = getData(src);
return data && data->isBoolean();
}
};
template <typename T>
struct Converter<T, typename enable_if<is_floating_point<T>::value>::type> {
static bool toJson(T src, VariantRef dst) {
VariantData* data = getData(dst);
if (!data)
return false;
data->setFloat(static_cast<Float>(src));
return true;
}
static T fromJson(VariantConstRef src) {
const VariantData* data = getData(src);
return data ? data->asFloat<T>() : false;
}
static bool checkJson(VariantConstRef src) {
const VariantData* data = getData(src);
return data && data->isFloat();
}
};
template <>
struct Converter<const char*> {
static bool toJson(const char* src, VariantRef dst) {
return variantSetString(getData(dst), adaptString(src), getPool(dst));
}
static const char* fromJson(VariantConstRef src) {
const VariantData* data = getData(src);
return data ? data->asString() : 0;
}
static bool checkJson(VariantConstRef src) {
const VariantData* data = getData(src);
return data && data->isString();
}
};
template <typename T>
inline typename enable_if<IsString<T>::value, bool>::type convertToJson(
const T& src, VariantRef dst) {
VariantData* data = getData(dst);
MemoryPool* pool = getPool(dst);
return variantSetString(data, adaptString(src), pool);
}
template <typename T>
inline typename enable_if<IsWriteableString<T>::value>::type convertFromJson(
VariantConstRef src, T& dst) {
const VariantData* data = getData(src);
const char* cstr = data != 0 ? data->asString() : 0;
if (cstr)
dst = cstr;
else
serializeJson(src, dst);
}
template <typename T>
inline typename enable_if<IsWriteableString<T>::value, bool>::type
canConvertFromJson(VariantConstRef src, const T&) {
const VariantData* data = getData(src);
return data && data->isString();
}
template <>
struct Converter<SerializedValue<const char*> > {
static bool toJson(SerializedValue<const char*> src, VariantRef dst) {
VariantData* data = getData(dst);
if (!data)
return false;
data->setLinkedRaw(src);
return true;
}
};
template <typename T>
struct Converter<SerializedValue<T>,
typename enable_if<!is_same<const char*, T>::value>::type> {
static bool toJson(SerializedValue<T> src, VariantRef dst) {
VariantData* data = getData(dst);
MemoryPool* pool = getPool(dst);
return data != 0 && data->setOwnedRaw(src, pool);
}
};
#if ARDUINOJSON_HAS_NULLPTR
template <>
struct Converter<decltype(nullptr)> {
static bool toJson(decltype(nullptr), VariantRef dst) {
variantSetNull(getData(dst));
return true;
}
static decltype(nullptr) fromJson(VariantConstRef) {
return nullptr;
}
static bool checkJson(VariantConstRef src) {
const VariantData* data = getData(src);
return data == 0 || data->isNull();
}
};
#endif
#if ARDUINOJSON_ENABLE_ARDUINO_STREAM
class MemoryPoolPrint : public Print {
public:
MemoryPoolPrint(MemoryPool* pool) : _pool(pool), _size(0) {
pool->getFreeZone(&_string, &_capacity);
}
const char* c_str() {
_string[_size++] = 0;
ARDUINOJSON_ASSERT(_size <= _capacity);
return _pool->saveStringFromFreeZone(_size);
}
size_t write(uint8_t c) {
if (_size >= _capacity)
return 0;
_string[_size++] = char(c);
return 1;
}
size_t write(const uint8_t* buffer, size_t size) {
if (_size + size >= _capacity) {
_size = _capacity; // mark as overflowed
return 0;
}
memcpy(&_string[_size], buffer, size);
_size += size;
return size;
}
bool overflowed() const {
return _size >= _capacity;
}
private:
MemoryPool* _pool;
size_t _size;
char* _string;
size_t _capacity;
};
inline bool convertToJson(const ::Printable& src, VariantRef dst) {
MemoryPool* pool = getPool(dst);
VariantData* data = getData(dst);
if (!pool || !data)
return false;
MemoryPoolPrint print(pool);
src.printTo(print);
if (print.overflowed()) {
pool->markAsOverflowed();
data->setNull();
return false;
}
data->setStringPointer(print.c_str(), storage_policies::store_by_copy());
return true;
}
#endif
class CollectionData;
struct ComparerBase : Visitor<CompareResult> {};
template <typename T, typename Enable = void>
struct Comparer;
template <typename T>
struct Comparer<T, typename enable_if<IsString<T>::value>::type>
: ComparerBase {
T rhs;
explicit Comparer(T value) : rhs(value) {}
CompareResult visitString(const char *lhs) {
int i = adaptString(rhs).compare(lhs);
if (i < 0)
return COMPARE_RESULT_GREATER;
else if (i > 0)
return COMPARE_RESULT_LESS;
else
return COMPARE_RESULT_EQUAL;
}
CompareResult visitNull() {
if (adaptString(rhs).isNull())
return COMPARE_RESULT_EQUAL;
else
return COMPARE_RESULT_DIFFER;
}
};
template <typename T>
struct Comparer<T, typename enable_if<is_integral<T>::value ||
is_floating_point<T>::value>::type>
: ComparerBase {
T rhs;
explicit Comparer(T value) : rhs(value) {}
CompareResult visitFloat(Float lhs) {
return arithmeticCompare(lhs, rhs);
}
CompareResult visitSignedInteger(Integer lhs) {
return arithmeticCompare(lhs, rhs);
}
CompareResult visitUnsignedInteger(UInt lhs) {
return arithmeticCompare(lhs, rhs);
}
CompareResult visitBoolean(bool lhs) {
return visitUnsignedInteger(static_cast<UInt>(lhs));
}
};
struct NullComparer : ComparerBase {
CompareResult visitNull() {
return COMPARE_RESULT_EQUAL;
}
};
#if ARDUINOJSON_HAS_NULLPTR
template <>
struct Comparer<decltype(nullptr), void> : NullComparer {
explicit Comparer(decltype(nullptr)) : NullComparer() {}
};
#endif
struct ArrayComparer : ComparerBase {
const CollectionData *_rhs;
explicit ArrayComparer(const CollectionData &rhs) : _rhs(&rhs) {}
CompareResult visitArray(const CollectionData &lhs) {
if (lhs.equalsArray(*_rhs))
return COMPARE_RESULT_EQUAL;
else
return COMPARE_RESULT_DIFFER;
}
};
struct ObjectComparer : ComparerBase {
const CollectionData *_rhs;
explicit ObjectComparer(const CollectionData &rhs) : _rhs(&rhs) {}
CompareResult visitObject(const CollectionData &lhs) {
if (lhs.equalsObject(*_rhs))
return COMPARE_RESULT_EQUAL;
else
return COMPARE_RESULT_DIFFER;
}
};
struct RawComparer : ComparerBase {
const char *_rhsData;
size_t _rhsSize;
explicit RawComparer(const char *rhsData, size_t rhsSize)
: _rhsData(rhsData), _rhsSize(rhsSize) {}
CompareResult visitRawJson(const char *lhsData, size_t lhsSize) {
size_t size = _rhsSize < lhsSize ? _rhsSize : lhsSize;
int n = memcmp(lhsData, _rhsData, size);
if (n < 0)
return COMPARE_RESULT_LESS;
else if (n > 0)
return COMPARE_RESULT_GREATER;
else
return COMPARE_RESULT_EQUAL;
}
};
template <typename T>
struct Comparer<T, typename enable_if<IsVisitable<T>::value>::type>
: ComparerBase {
T rhs;
explicit Comparer(T value) : rhs(value) {}
CompareResult visitArray(const CollectionData &lhs) {
ArrayComparer comparer(lhs);
return accept(comparer);
}
CompareResult visitObject(const CollectionData &lhs) {
ObjectComparer comparer(lhs);
return accept(comparer);
}
CompareResult visitFloat(Float lhs) {
Comparer<Float> comparer(lhs);
return accept(comparer);
}
CompareResult visitString(const char *lhs) {
Comparer<const char *> comparer(lhs);
return accept(comparer);
}
CompareResult visitRawJson(const char *lhsData, size_t lhsSize) {
RawComparer comparer(lhsData, lhsSize);
return accept(comparer);
}
CompareResult visitSignedInteger(Integer lhs) {
Comparer<Integer> comparer(lhs);
return accept(comparer);
}
CompareResult visitUnsignedInteger(UInt lhs) {
Comparer<UInt> comparer(lhs);
return accept(comparer);
}
CompareResult visitBoolean(bool lhs) {
Comparer<bool> comparer(lhs);
return accept(comparer);
}
CompareResult visitNull() {
NullComparer comparer;
return accept(comparer);
}
private:
template <typename TComparer>
CompareResult accept(TComparer &comparer) {
CompareResult reversedResult = rhs.accept(comparer);
switch (reversedResult) {
case COMPARE_RESULT_GREATER:
return COMPARE_RESULT_LESS;
case COMPARE_RESULT_LESS:
return COMPARE_RESULT_GREATER;
default:
return reversedResult;
}
}
};
template <typename T1, typename T2>
CompareResult compare(const T1 &lhs, const T2 &rhs) {
Comparer<T2> comparer(rhs);
return lhs.accept(comparer);
}
inline int variantCompare(const VariantData *a, const VariantData *b) {
return compare(VariantConstRef(a), VariantConstRef(b));
}
#ifndef isnan
template <typename T>
bool isnan(T x) {
return x != x;
}
#endif
#ifndef isinf
template <typename T>
bool isinf(T x) {
return x != 0.0 && x * 2 == x;
}
#endif
template <typename T, typename F>
struct alias_cast_t {
union {
F raw;
T data;
};
};
template <typename T, typename F>
T alias_cast(F raw_data) {
alias_cast_t<T, F> ac;
ac.raw = raw_data;
return ac.data;
}
} // namespace ARDUINOJSON_NAMESPACE
#if ARDUINOJSON_ENABLE_PROGMEM
namespace ARDUINOJSON_NAMESPACE {
template <typename T>
typename enable_if<is_pointer<T>::value, T>::type pgm_read(const void* p) {
return reinterpret_cast<T>(pgm_read_ptr(p));
}
template <typename T>
typename enable_if<is_floating_point<T>::value &&
sizeof(T) == sizeof(float), // on AVR sizeof(double) ==
T>::type
pgm_read(const void* p) {
return pgm_read_float(p);
}
template <typename T>
typename enable_if<is_same<T, uint32_t>::value, T>::type pgm_read(
const void* p) {
return pgm_read_dword(p);
}
} // namespace ARDUINOJSON_NAMESPACE
# ifndef ARDUINOJSON_DEFINE_STATIC_ARRAY
# define ARDUINOJSON_DEFINE_STATIC_ARRAY(type, name, value) \
static type const name[] PROGMEM = value;
# endif
# ifndef ARDUINOJSON_READ_STATIC_ARRAY
# define ARDUINOJSON_READ_STATIC_ARRAY(type, name, index) \
pgm_read<type>(name + index)
# endif
#else // i.e. ARDUINOJSON_ENABLE_PROGMEM == 0
# ifndef ARDUINOJSON_DEFINE_STATIC_ARRAY
# define ARDUINOJSON_DEFINE_STATIC_ARRAY(type, name, value) \
static type const name[] = value;
# endif
# ifndef ARDUINOJSON_READ_STATIC_ARRAY
# define ARDUINOJSON_READ_STATIC_ARRAY(type, name, index) name[index]
# endif
#endif
namespace ARDUINOJSON_NAMESPACE {
template <typename T, size_t = sizeof(T)>
struct FloatTraits {};
template <typename T>
struct FloatTraits<T, 8 /*64bits*/> {
typedef uint64_t mantissa_type;
static const short mantissa_bits = 52;
static const mantissa_type mantissa_max =
(mantissa_type(1) << mantissa_bits) - 1;
typedef int16_t exponent_type;
static const exponent_type exponent_max = 308;
template <typename TExponent>
static T make_float(T m, TExponent e) {
if (e > 0) {
for (uint8_t index = 0; e != 0; index++) {
if (e & 1)
m *= positiveBinaryPowerOfTen(index);
e >>= 1;
}
} else {
e = TExponent(-e);
for (uint8_t index = 0; e != 0; index++) {
if (e & 1)
m *= negativeBinaryPowerOfTen(index);
e >>= 1;
}
}
return m;
}
static T positiveBinaryPowerOfTen(int index) {
ARDUINOJSON_DEFINE_STATIC_ARRAY( //
uint32_t, factors,
ARDUINOJSON_EXPAND18({
0x40240000, 0x00000000, // 1e1
0x40590000, 0x00000000, // 1e2
0x40C38800, 0x00000000, // 1e4
0x4197D784, 0x00000000, // 1e8
0x4341C379, 0x37E08000, // 1e16
0x4693B8B5, 0xB5056E17, // 1e32
0x4D384F03, 0xE93FF9F5, // 1e64
0x5A827748, 0xF9301D32, // 1e128
0x75154FDD, 0x7F73BF3C // 1e256
}));
return forge(
ARDUINOJSON_READ_STATIC_ARRAY(uint32_t, factors, 2 * index),
ARDUINOJSON_READ_STATIC_ARRAY(uint32_t, factors, 2 * index + 1));
}
static T negativeBinaryPowerOfTen(int index) {
ARDUINOJSON_DEFINE_STATIC_ARRAY( //
uint32_t, factors,
ARDUINOJSON_EXPAND18({
0x3FB99999, 0x9999999A, // 1e-1
0x3F847AE1, 0x47AE147B, // 1e-2
0x3F1A36E2, 0xEB1C432D, // 1e-4
0x3E45798E, 0xE2308C3A, // 1e-8
0x3C9CD2B2, 0x97D889BC, // 1e-16
0x3949F623, 0xD5A8A733, // 1e-32
0x32A50FFD, 0x44F4A73D, // 1e-64
0x255BBA08, 0xCF8C979D, // 1e-128
0x0AC80628, 0x64AC6F43 // 1e-256
}));
return forge(
ARDUINOJSON_READ_STATIC_ARRAY(uint32_t, factors, 2 * index),
ARDUINOJSON_READ_STATIC_ARRAY(uint32_t, factors, 2 * index + 1));
}
static T negativeBinaryPowerOfTenPlusOne(int index) {
ARDUINOJSON_DEFINE_STATIC_ARRAY( //
uint32_t, factors,
ARDUINOJSON_EXPAND18({
0x3FF00000, 0x00000000, // 1e0
0x3FB99999, 0x9999999A, // 1e-1
0x3F50624D, 0xD2F1A9FC, // 1e-3
0x3E7AD7F2, 0x9ABCAF48, // 1e-7
0x3CD203AF, 0x9EE75616, // 1e-15
0x398039D6, 0x65896880, // 1e-31
0x32DA53FC, 0x9631D10D, // 1e-63
0x25915445, 0x81B7DEC2, // 1e-127
0x0AFE07B2, 0x7DD78B14 // 1e-255
}));
return forge(
ARDUINOJSON_READ_STATIC_ARRAY(uint32_t, factors, 2 * index),
ARDUINOJSON_READ_STATIC_ARRAY(uint32_t, factors, 2 * index + 1));
}
static T nan() {
return forge(0x7ff80000, 0x00000000);
}
static T inf() {
return forge(0x7ff00000, 0x00000000);
}
static T highest() {
return forge(0x7FEFFFFF, 0xFFFFFFFF);
}
static T lowest() {
return forge(0xFFEFFFFF, 0xFFFFFFFF);
}
static T forge(uint32_t msb, uint32_t lsb) {
return alias_cast<T>((uint64_t(msb) << 32) | lsb);
}
};
template <typename T>
struct FloatTraits<T, 4 /*32bits*/> {
typedef uint32_t mantissa_type;
static const short mantissa_bits = 23;
static const mantissa_type mantissa_max =
(mantissa_type(1) << mantissa_bits) - 1;
typedef int8_t exponent_type;
static const exponent_type exponent_max = 38;
template <typename TExponent>
static T make_float(T m, TExponent e) {
if (e > 0) {
for (uint8_t index = 0; e != 0; index++) {
if (e & 1)
m *= positiveBinaryPowerOfTen(index);
e >>= 1;
}
} else {
e = -e;
for (uint8_t index = 0; e != 0; index++) {
if (e & 1)
m *= negativeBinaryPowerOfTen(index);
e >>= 1;
}
}
return m;
}
static T positiveBinaryPowerOfTen(int index) {
ARDUINOJSON_DEFINE_STATIC_ARRAY(
T, factors,
ARDUINOJSON_EXPAND6({1e1f, 1e2f, 1e4f, 1e8f, 1e16f, 1e32f}));
return ARDUINOJSON_READ_STATIC_ARRAY(T, factors, index);
}
static T negativeBinaryPowerOfTen(int index) {
ARDUINOJSON_DEFINE_STATIC_ARRAY(
T, factors,
ARDUINOJSON_EXPAND6({1e-1f, 1e-2f, 1e-4f, 1e-8f, 1e-16f, 1e-32f}));
return ARDUINOJSON_READ_STATIC_ARRAY(T, factors, index);
}
static T negativeBinaryPowerOfTenPlusOne(int index) {
ARDUINOJSON_DEFINE_STATIC_ARRAY(
T, factors,
ARDUINOJSON_EXPAND6({1e0f, 1e-1f, 1e-3f, 1e-7f, 1e-15f, 1e-31f}));
return ARDUINOJSON_READ_STATIC_ARRAY(T, factors, index);
}
static T forge(uint32_t bits) {
return alias_cast<T>(bits);
}
static T nan() {
return forge(0x7fc00000);
}
static T inf() {
return forge(0x7f800000);
}
static T highest() {
return forge(0x7f7fffff);
}
static T lowest() {
return forge(0xFf7fffff);
}
};
#ifndef isdigit
inline bool isdigit(char c) {
return '0' <= c && c <= '9';
}
#endif
inline bool issign(char c) {
return '-' == c || c == '+';
}
template <typename A, typename B>
struct choose_largest : conditional<(sizeof(A) > sizeof(B)), A, B> {};
inline bool parseNumber(const char* s, VariantData& result) {
typedef FloatTraits<Float> traits;
typedef choose_largest<traits::mantissa_type, UInt>::type mantissa_t;
typedef traits::exponent_type exponent_t;
ARDUINOJSON_ASSERT(s != 0);
bool is_negative = false;
switch (*s) {
case '-':
is_negative = true;
s++;
break;
case '+':
s++;
break;
}
#if ARDUINOJSON_ENABLE_NAN
if (*s == 'n' || *s == 'N') {
result.setFloat(traits::nan());
return true;
}
#endif
#if ARDUINOJSON_ENABLE_INFINITY
if (*s == 'i' || *s == 'I') {
result.setFloat(is_negative ? -traits::inf() : traits::inf());
return true;
}
#endif
if (!isdigit(*s) && *s != '.')
return false;
mantissa_t mantissa = 0;
exponent_t exponent_offset = 0;
const mantissa_t maxUint = UInt(-1);
while (isdigit(*s)) {
uint8_t digit = uint8_t(*s - '0');
if (mantissa > maxUint / 10)
break;
mantissa *= 10;
if (mantissa > maxUint - digit)
break;
mantissa += digit;
s++;
}
if (*s == '\0') {
if (is_negative) {
const mantissa_t sintMantissaMax = mantissa_t(1)
<< (sizeof(Integer) * 8 - 1);
if (mantissa <= sintMantissaMax) {
result.setInteger(Integer(~mantissa + 1));
return true;
}
} else {
result.setInteger(UInt(mantissa));
return true;
}
}
while (mantissa > traits::mantissa_max) {
mantissa /= 10;
exponent_offset++;
}
while (isdigit(*s)) {
exponent_offset++;
s++;
}
if (*s == '.') {
s++;
while (isdigit(*s)) {
if (mantissa < traits::mantissa_max / 10) {
mantissa = mantissa * 10 + uint8_t(*s - '0');
exponent_offset--;
}
s++;
}
}
int exponent = 0;
if (*s == 'e' || *s == 'E') {
s++;
bool negative_exponent = false;
if (*s == '-') {
negative_exponent = true;
s++;
} else if (*s == '+') {
s++;
}
while (isdigit(*s)) {
exponent = exponent * 10 + (*s - '0');
if (exponent + exponent_offset > traits::exponent_max) {
if (negative_exponent)
result.setFloat(is_negative ? -0.0f : 0.0f);
else
result.setFloat(is_negative ? -traits::inf() : traits::inf());
return true;
}
s++;
}
if (negative_exponent)
exponent = -exponent;
}
exponent += exponent_offset;
if (*s != '\0')
return false;
Float final_result =
traits::make_float(static_cast<Float>(mantissa), exponent);
result.setFloat(is_negative ? -final_result : final_result);
return true;
}
template <typename T>
inline T parseNumber(const char* s) {
VariantData value;
value.init(); // VariantData is a POD, so it has no constructor
parseNumber(s, value);
return Converter<T>::fromJson(VariantConstRef(&value));
}
template <typename T>
inline T VariantData::asIntegral() const {
switch (type()) {
case VALUE_IS_BOOLEAN:
return _content.asBoolean;
case VALUE_IS_UNSIGNED_INTEGER:
return convertNumber<T>(_content.asUnsignedInteger);
case VALUE_IS_SIGNED_INTEGER:
return convertNumber<T>(_content.asSignedInteger);
case VALUE_IS_LINKED_STRING:
case VALUE_IS_OWNED_STRING:
return parseNumber<T>(_content.asString);
case VALUE_IS_FLOAT:
return convertNumber<T>(_content.asFloat);
default:
return 0;
}
}
inline bool VariantData::asBoolean() const {
switch (type()) {
case VALUE_IS_BOOLEAN:
return _content.asBoolean;
case VALUE_IS_SIGNED_INTEGER:
case VALUE_IS_UNSIGNED_INTEGER:
return _content.asUnsignedInteger != 0;
case VALUE_IS_FLOAT:
return _content.asFloat != 0;
case VALUE_IS_NULL:
return false;
default:
return true;
}
}
template <typename T>
inline T VariantData::asFloat() const {
switch (type()) {
case VALUE_IS_BOOLEAN:
return static_cast<T>(_content.asBoolean);
case VALUE_IS_UNSIGNED_INTEGER:
return static_cast<T>(_content.asUnsignedInteger);
case VALUE_IS_SIGNED_INTEGER:
return static_cast<T>(_content.asSignedInteger);
case VALUE_IS_LINKED_STRING:
case VALUE_IS_OWNED_STRING:
return parseNumber<T>(_content.asString);
case VALUE_IS_FLOAT:
return static_cast<T>(_content.asFloat);
default:
return 0;
}
}
inline const char *VariantData::asString() const {
switch (type()) {
case VALUE_IS_LINKED_STRING:
case VALUE_IS_OWNED_STRING:
return _content.asString;
default:
return 0;
}
}
template <typename T>
inline typename enable_if<is_same<T, ArrayRef>::value, ArrayRef>::type
VariantRef::to() const {
return ArrayRef(_pool, variantToArray(_data));
}
template <typename T>
typename enable_if<is_same<T, ObjectRef>::value, ObjectRef>::type
VariantRef::to() const {
return ObjectRef(_pool, variantToObject(_data));
}
template <typename T>
typename enable_if<is_same<T, VariantRef>::value, VariantRef>::type
VariantRef::to() const {
variantSetNull(_data);
return *this;
}
inline VariantConstRef VariantConstRef::getElement(size_t index) const {
return ArrayConstRef(_data != 0 ? _data->asArray() : 0)[index];
}
inline VariantRef VariantRef::addElement() const {
return VariantRef(_pool, variantAddElement(_data, _pool));
}
inline VariantRef VariantRef::getElement(size_t index) const {
return VariantRef(_pool, _data != 0 ? _data->getElement(index) : 0);
}
inline VariantRef VariantRef::getOrAddElement(size_t index) const {
return VariantRef(_pool, variantGetOrAddElement(_data, index, _pool));
}
template <typename TChar>
inline VariantRef VariantRef::getMember(TChar *key) const {
return VariantRef(_pool, _data != 0 ? _data->getMember(adaptString(key)) : 0);
}
template <typename TString>
inline typename enable_if<IsString<TString>::value, VariantRef>::type
VariantRef::getMember(const TString &key) const {
return VariantRef(_pool, _data != 0 ? _data->getMember(adaptString(key)) : 0);
}
template <typename TChar>
inline VariantRef VariantRef::getOrAddMember(TChar *key) const {
return VariantRef(_pool, variantGetOrAddMember(_data, key, _pool));
}
template <typename TString>
inline VariantRef VariantRef::getOrAddMember(const TString &key) const {
return VariantRef(_pool, variantGetOrAddMember(_data, key, _pool));
}
inline VariantConstRef operator|(VariantConstRef preferedValue,
VariantConstRef defaultValue) {
return preferedValue ? preferedValue : defaultValue;
}
inline bool VariantRef::set(char value) const {
return set<signed char>(value);
}
} // namespace ARDUINOJSON_NAMESPACE
#if ARDUINOJSON_ENABLE_STD_STREAM
#include <ostream>
#endif
namespace ARDUINOJSON_NAMESPACE {
class DeserializationError {
typedef void (DeserializationError::*bool_type)() const;
void safeBoolHelper() const {}
public:
enum Code {
Ok,
EmptyInput,
IncompleteInput,
InvalidInput,
NoMemory,
TooDeep
};
DeserializationError() {}
DeserializationError(Code c) : _code(c) {}
friend bool operator==(const DeserializationError& lhs,
const DeserializationError& rhs) {
return lhs._code == rhs._code;
}
friend bool operator!=(const DeserializationError& lhs,
const DeserializationError& rhs) {
return lhs._code != rhs._code;
}
friend bool operator==(const DeserializationError& lhs, Code rhs) {
return lhs._code == rhs;
}
friend bool operator==(Code lhs, const DeserializationError& rhs) {
return lhs == rhs._code;
}
friend bool operator!=(const DeserializationError& lhs, Code rhs) {
return lhs._code != rhs;
}
friend bool operator!=(Code lhs, const DeserializationError& rhs) {
return lhs != rhs._code;
}
operator bool_type() const {
return _code != Ok ? &DeserializationError::safeBoolHelper : 0;
}
friend bool operator==(bool value, const DeserializationError& err) {
return static_cast<bool>(err) == value;
}
friend bool operator==(const DeserializationError& err, bool value) {
return static_cast<bool>(err) == value;
}
friend bool operator!=(bool value, const DeserializationError& err) {
return static_cast<bool>(err) != value;
}
friend bool operator!=(const DeserializationError& err, bool value) {
return static_cast<bool>(err) != value;
}
Code code() const {
return _code;
}
const char* c_str() const {
static const char* messages[] = {
"Ok", "EmptyInput", "IncompleteInput",
"InvalidInput", "NoMemory", "TooDeep"};
ARDUINOJSON_ASSERT(static_cast<size_t>(_code) <
sizeof(messages) / sizeof(messages[0]));
return messages[_code];
}
#if ARDUINOJSON_ENABLE_PROGMEM
const __FlashStringHelper* f_str() const {
ARDUINOJSON_DEFINE_STATIC_ARRAY(char, s0, "Ok");
ARDUINOJSON_DEFINE_STATIC_ARRAY(char, s1, "EmptyInput");
ARDUINOJSON_DEFINE_STATIC_ARRAY(char, s2, "IncompleteInput");
ARDUINOJSON_DEFINE_STATIC_ARRAY(char, s3, "InvalidInput");
ARDUINOJSON_DEFINE_STATIC_ARRAY(char, s4, "NoMemory");
ARDUINOJSON_DEFINE_STATIC_ARRAY(char, s5, "TooDeep");
ARDUINOJSON_DEFINE_STATIC_ARRAY(
const char*, messages, ARDUINOJSON_EXPAND6({s0, s1, s2, s3, s4, s5}));
return ARDUINOJSON_READ_STATIC_ARRAY(const __FlashStringHelper*, messages,
_code);
}
#endif
private:
Code _code;
};
#if ARDUINOJSON_ENABLE_STD_STREAM
inline std::ostream& operator<<(std::ostream& s,
const DeserializationError& e) {
s << e.c_str();
return s;
}
inline std::ostream& operator<<(std::ostream& s, DeserializationError::Code c) {
s << DeserializationError(c).c_str();
return s;
}
#endif
class Filter {
public:
explicit Filter(VariantConstRef v) : _variant(v) {}
bool allow() const {
return _variant;
}
bool allowArray() const {
return _variant == true || _variant.is<ArrayConstRef>();
}
bool allowObject() const {
return _variant == true || _variant.is<ObjectConstRef>();
}
bool allowValue() const {
return _variant == true;
}
template <typename TKey>
Filter operator[](const TKey& key) const {
if (_variant == true) // "true" means "allow recursively"
return *this;
else
return Filter(_variant[key] | _variant["*"]);
}
private:
VariantConstRef _variant;
};
struct AllowAllFilter {
bool allow() const {
return true;
}
bool allowArray() const {
return true;
}
bool allowObject() const {
return true;
}
bool allowValue() const {
return true;
}
template <typename TKey>
AllowAllFilter operator[](const TKey&) const {
return AllowAllFilter();
}
};
class NestingLimit {
public:
NestingLimit() : _value(ARDUINOJSON_DEFAULT_NESTING_LIMIT) {}
explicit NestingLimit(uint8_t n) : _value(n) {}
NestingLimit decrement() const {
ARDUINOJSON_ASSERT(_value > 0);
return NestingLimit(static_cast<uint8_t>(_value - 1));
}
bool reached() const {
return _value == 0;
}
private:
uint8_t _value;
};
template <typename TSource, typename Enable = void>
struct Reader {
public:
Reader(TSource& source) : _source(&source) {}
int read() {
return _source->read();
}
size_t readBytes(char* buffer, size_t length) {
return _source->readBytes(buffer, length);
}
private:
TSource* _source;
};
template <typename TSource, typename Enable = void>
struct BoundedReader {
};
template <typename TIterator>
class IteratorReader {
TIterator _ptr, _end;
public:
explicit IteratorReader(TIterator begin, TIterator end)
: _ptr(begin), _end(end) {}
int read() {
if (_ptr < _end)
return static_cast<unsigned char>(*_ptr++);
else
return -1;
}
size_t readBytes(char* buffer, size_t length) {
size_t i = 0;
while (i < length && _ptr < _end) buffer[i++] = *_ptr++;
return i;
}
};
template <typename T>
struct void_ {
typedef void type;
};
template <typename TSource>
struct Reader<TSource, typename void_<typename TSource::const_iterator>::type>
: IteratorReader<typename TSource::const_iterator> {
explicit Reader(const TSource& source)
: IteratorReader<typename TSource::const_iterator>(source.begin(),
source.end()) {}
};
template <typename T>
struct IsCharOrVoid {
static const bool value =
is_same<T, void>::value || is_same<T, char>::value ||
is_same<T, unsigned char>::value || is_same<T, signed char>::value;
};
template <typename T>
struct IsCharOrVoid<const T> : IsCharOrVoid<T> {};
template <typename TSource>
struct Reader<TSource*,
typename enable_if<IsCharOrVoid<TSource>::value>::type> {
const char* _ptr;
public:
explicit Reader(const void* ptr)
: _ptr(ptr ? reinterpret_cast<const char*>(ptr) : "") {}
int read() {
return static_cast<unsigned char>(*_ptr++);
}
size_t readBytes(char* buffer, size_t length) {
for (size_t i = 0; i < length; i++) buffer[i] = *_ptr++;
return length;
}
};
template <typename TSource>
struct BoundedReader<TSource*,
typename enable_if<IsCharOrVoid<TSource>::value>::type>
: public IteratorReader<const char*> {
public:
explicit BoundedReader(const void* ptr, size_t len)
: IteratorReader<const char*>(reinterpret_cast<const char*>(ptr),
reinterpret_cast<const char*>(ptr) + len) {}
};
template <typename TArray>
struct Reader<ElementProxy<TArray>, void> : Reader<char*, void> {
explicit Reader(const ElementProxy<TArray>& x)
: Reader<char*, void>(x.template as<const char*>()) {}
};
template <typename TObject, typename TStringRef>
struct Reader<MemberProxy<TObject, TStringRef>, void> : Reader<char*, void> {
explicit Reader(const MemberProxy<TObject, TStringRef>& x)
: Reader<char*, void>(x.template as<const char*>()) {}
};
template <>
struct Reader<VariantRef, void> : Reader<char*, void> {
explicit Reader(VariantRef x) : Reader<char*, void>(x.as<const char*>()) {}
};
template <>
struct Reader<VariantConstRef, void> : Reader<char*, void> {
explicit Reader(VariantConstRef x)
: Reader<char*, void>(x.as<const char*>()) {}
};
} // namespace ARDUINOJSON_NAMESPACE
#if ARDUINOJSON_ENABLE_ARDUINO_STREAM
namespace ARDUINOJSON_NAMESPACE {
template <typename TSource>
struct Reader<TSource,
typename enable_if<is_base_of<Stream, TSource>::value>::type> {
public:
explicit Reader(Stream& stream) : _stream(&stream) {}
int read() {
char c;
return _stream->readBytes(&c, 1) ? static_cast<unsigned char>(c) : -1;
}
size_t readBytes(char* buffer, size_t length) {
return _stream->readBytes(buffer, length);
}
private:
Stream* _stream;
};
} // namespace ARDUINOJSON_NAMESPACE
#endif
#if ARDUINOJSON_ENABLE_ARDUINO_STRING
namespace ARDUINOJSON_NAMESPACE {
template <typename TSource>
struct Reader<TSource,
typename enable_if<is_base_of< ::String, TSource>::value>::type>
: BoundedReader<const char*> {
explicit Reader(const ::String& s)
: BoundedReader<const char*>(s.c_str(), s.length()) {}
};
} // namespace ARDUINOJSON_NAMESPACE
#endif
#if ARDUINOJSON_ENABLE_PROGMEM
namespace ARDUINOJSON_NAMESPACE {
template <>
struct Reader<const __FlashStringHelper*, void> {
const char* _ptr;
public:
explicit Reader(const __FlashStringHelper* ptr)
: _ptr(reinterpret_cast<const char*>(ptr)) {}
int read() {
return pgm_read_byte(_ptr++);
}
size_t readBytes(char* buffer, size_t length) {
memcpy_P(buffer, _ptr, length);
_ptr += length;
return length;
}
};
template <>
struct BoundedReader<const __FlashStringHelper*, void> {
const char* _ptr;
const char* _end;
public:
explicit BoundedReader(const __FlashStringHelper* ptr, size_t size)
: _ptr(reinterpret_cast<const char*>(ptr)), _end(_ptr + size) {}
int read() {
if (_ptr < _end)
return pgm_read_byte(_ptr++);
else
return -1;
}
size_t readBytes(char* buffer, size_t length) {
size_t available = static_cast<size_t>(_end - _ptr);
if (available < length)
length = available;
memcpy_P(buffer, _ptr, length);
_ptr += length;
return length;
}
};
} // namespace ARDUINOJSON_NAMESPACE
#endif
#if ARDUINOJSON_ENABLE_STD_STREAM
#include <istream>
namespace ARDUINOJSON_NAMESPACE {
template <typename TSource>
struct Reader<TSource, typename enable_if<
is_base_of<std::istream, TSource>::value>::type> {
public:
explicit Reader(std::istream& stream) : _stream(&stream) {}
int read() {
return _stream->get();
}
size_t readBytes(char* buffer, size_t length) {
_stream->read(buffer, static_cast<std::streamsize>(length));
return static_cast<size_t>(_stream->gcount());
}
private:
std::istream* _stream;
};
} // namespace ARDUINOJSON_NAMESPACE
#endif
namespace ARDUINOJSON_NAMESPACE {
class StringCopier {
public:
StringCopier(MemoryPool& pool) : _pool(&pool) {}
void startString() {
_pool->getFreeZone(&_ptr, &_capacity);
_size = 0;
}
const char* save() {
ARDUINOJSON_ASSERT(_ptr);
return _pool->saveStringFromFreeZone(_size);
}
void append(const char* s) {
while (*s) append(*s++);
}
void append(const char* s, size_t n) {
while (n-- > 0) append(*s++);
}
void append(char c) {
if (!_ptr)
return;
if (_size >= _capacity) {
_ptr = 0;
_pool->markAsOverflowed();
return;
}
_ptr[_size++] = c;
}
bool isValid() {
return _ptr != 0;
}
const char* c_str() {
return _ptr;
}
typedef storage_policies::store_by_copy storage_policy;
private:
MemoryPool* _pool;
char* _ptr;
size_t _size, _capacity;
};
class StringMover {
public:
StringMover(char* ptr) : _writePtr(ptr) {}
void startString() {
_startPtr = _writePtr;
}
const char* save() const {
return _startPtr;
}
void append(char c) {
*_writePtr++ = c;
}
bool isValid() const {
return true;
}
const char* c_str() const {
return _startPtr;
}
typedef storage_policies::store_by_address storage_policy;
private:
char* _writePtr;
char* _startPtr;
};
template <typename TInput>
StringCopier makeStringStorage(TInput&, MemoryPool& pool) {
return StringCopier(pool);
}
template <typename TChar>
StringMover makeStringStorage(
TChar* input, MemoryPool&,
typename enable_if<!is_const<TChar>::value>::type* = 0) {
return StringMover(reinterpret_cast<char*>(input));
}
template <template <typename, typename> class TDeserializer, typename TReader,
typename TWriter>
TDeserializer<TReader, TWriter> makeDeserializer(MemoryPool &pool,
TReader reader,
TWriter writer) {
return TDeserializer<TReader, TWriter>(pool, reader, writer);
}
template <template <typename, typename> class TDeserializer, typename TString,
typename TFilter>
typename enable_if<!is_array<TString>::value, DeserializationError>::type
deserialize(JsonDocument &doc, const TString &input, NestingLimit nestingLimit,
TFilter filter) {
Reader<TString> reader(input);
doc.clear();
return makeDeserializer<TDeserializer>(
doc.memoryPool(), reader,
makeStringStorage(input, doc.memoryPool()))
.parse(doc.data(), filter, nestingLimit);
}
template <template <typename, typename> class TDeserializer, typename TChar,
typename TFilter>
DeserializationError deserialize(JsonDocument &doc, TChar *input,
size_t inputSize, NestingLimit nestingLimit,
TFilter filter) {
BoundedReader<TChar *> reader(input, inputSize);
doc.clear();
return makeDeserializer<TDeserializer>(
doc.memoryPool(), reader,
makeStringStorage(input, doc.memoryPool()))
.parse(doc.data(), filter, nestingLimit);
}
template <template <typename, typename> class TDeserializer, typename TStream,
typename TFilter>
DeserializationError deserialize(JsonDocument &doc, TStream &input,
NestingLimit nestingLimit, TFilter filter) {
Reader<TStream> reader(input);
doc.clear();
return makeDeserializer<TDeserializer>(
doc.memoryPool(), reader,
makeStringStorage(input, doc.memoryPool()))
.parse(doc.data(), filter, nestingLimit);
}
class EscapeSequence {
public:
static char escapeChar(char c) {
const char *p = escapeTable(true);
while (p[0] && p[1] != c) {
p += 2;
}
return p[0];
}
static char unescapeChar(char c) {
const char *p = escapeTable(false);
for (;;) {
if (p[0] == '\0')
return 0;
if (p[0] == c)
return p[1];
p += 2;
}
}
private:
static const char *escapeTable(bool excludeSolidus) {
return &"//\"\"\\\\b\bf\fn\nr\rt\t"[excludeSolidus ? 2 : 0];
}
};
template <typename TReader>
class Latch {
public:
Latch(TReader reader) : _reader(reader), _loaded(false) {
#if ARDUINOJSON_DEBUG
_ended = false;
#endif
}
void clear() {
_loaded = false;
}
int last() const {
return _current;
}
FORCE_INLINE char current() {
if (!_loaded) {
load();
}
return _current;
}
private:
void load() {
ARDUINOJSON_ASSERT(!_ended);
int c = _reader.read();
#if ARDUINOJSON_DEBUG
if (c <= 0)
_ended = true;
#endif
_current = static_cast<char>(c > 0 ? c : 0);
_loaded = true;
}
TReader _reader;
char _current; // NOLINT(clang-analyzer-optin.cplusplus.UninitializedObject)
bool _loaded;
#if ARDUINOJSON_DEBUG
bool _ended;
#endif
};
} // namespace ARDUINOJSON_NAMESPACE
#if defined(__GNUC__)
# if __GNUC__ >= 7
# pragma GCC diagnostic push
# pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
# endif
#endif
namespace ARDUINOJSON_NAMESPACE {
namespace Utf16 {
inline bool isHighSurrogate(uint16_t codeunit) {
return codeunit >= 0xD800 && codeunit < 0xDC00;
}
inline bool isLowSurrogate(uint16_t codeunit) {
return codeunit >= 0xDC00 && codeunit < 0xE000;
}
class Codepoint {
public:
Codepoint() : _highSurrogate(0), _codepoint(0) {}
bool append(uint16_t codeunit) {
if (isHighSurrogate(codeunit)) {
_highSurrogate = codeunit & 0x3FF;
return false;
}
if (isLowSurrogate(codeunit)) {
_codepoint =
uint32_t(0x10000 + ((_highSurrogate << 10) | (codeunit & 0x3FF)));
return true;
}
_codepoint = codeunit;
return true;
}
uint32_t value() const {
return _codepoint;
}
private:
uint16_t _highSurrogate;
uint32_t _codepoint;
};
} // namespace Utf16
} // namespace ARDUINOJSON_NAMESPACE
#if defined(__GNUC__)
# if __GNUC__ >= 8
# pragma GCC diagnostic pop
# endif
#endif
namespace ARDUINOJSON_NAMESPACE {
namespace Utf8 {
template <typename TStringBuilder>
inline void encodeCodepoint(uint32_t codepoint32, TStringBuilder& str) {
char buf[5];
char* p = buf;
*(p++) = 0;
if (codepoint32 < 0x80) {
*(p++) = char((codepoint32));
} else {
*(p++) = char((codepoint32 | 0x80) & 0xBF);
uint16_t codepoint16 = uint16_t(codepoint32 >> 6);
if (codepoint16 < 0x20) { // 0x800
*(p++) = char(codepoint16 | 0xC0);
} else {
*(p++) = char((codepoint16 | 0x80) & 0xBF);
codepoint16 = uint16_t(codepoint16 >> 6);
if (codepoint16 < 0x10) { // 0x10000
*(p++) = char(codepoint16 | 0xE0);
} else {
*(p++) = char((codepoint16 | 0x80) & 0xBF);
codepoint16 = uint16_t(codepoint16 >> 6);
*(p++) = char(codepoint16 | 0xF0);
}
}
}
while (*(--p)) {
str.append(*p);
}
}
} // namespace Utf8
template <typename TReader, typename TStringStorage>
class JsonDeserializer {
public:
JsonDeserializer(MemoryPool &pool, TReader reader,
TStringStorage stringStorage)
: _stringStorage(stringStorage),
_foundSomething(false),
_latch(reader),
_pool(&pool),
_error(DeserializationError::Ok) {}
template <typename TFilter>
DeserializationError parse(VariantData &variant, TFilter filter,
NestingLimit nestingLimit) {
parseVariant(variant, filter, nestingLimit);
if (!_error && _latch.last() != 0 && !variant.isEnclosed()) {
return DeserializationError::InvalidInput;
}
return _error;
}
private:
char current() {
return _latch.current();
}
void move() {
_latch.clear();
}
bool eat(char charToSkip) {
if (current() != charToSkip)
return false;
move();
return true;
}
template <typename TFilter>
bool parseVariant(VariantData &variant, TFilter filter,
NestingLimit nestingLimit) {
if (!skipSpacesAndComments())
return false;
switch (current()) {
case '[':
if (filter.allowArray())
return parseArray(variant.toArray(), filter, nestingLimit);
else
return skipArray(nestingLimit);
case '{':
if (filter.allowObject())
return parseObject(variant.toObject(), filter, nestingLimit);
else
return skipObject(nestingLimit);
case '\"':
case '\'':
if (filter.allowValue())
return parseStringValue(variant);
else
return skipString();
default:
if (filter.allowValue())
return parseNumericValue(variant);
else
return skipNumericValue();
}
}
bool skipVariant(NestingLimit nestingLimit) {
if (!skipSpacesAndComments())
return false;
switch (current()) {
case '[':
return skipArray(nestingLimit);
case '{':
return skipObject(nestingLimit);
case '\"':
case '\'':
return skipString();
default:
return skipNumericValue();
}
}
template <typename TFilter>
bool parseArray(CollectionData &array, TFilter filter,
NestingLimit nestingLimit) {
if (nestingLimit.reached()) {
_error = DeserializationError::TooDeep;
return false;
}
ARDUINOJSON_ASSERT(current() == '[');
move();
if (!skipSpacesAndComments())
return false;
if (eat(']'))
return true;
TFilter memberFilter = filter[0UL];
for (;;) {
if (memberFilter.allow()) {
VariantData *value = array.addElement(_pool);
if (!value) {
_error = DeserializationError::NoMemory;
return false;
}
if (!parseVariant(*value, memberFilter, nestingLimit.decrement()))
return false;
} else {
if (!skipVariant(nestingLimit.decrement()))
return false;
}
if (!skipSpacesAndComments())
return false;
if (eat(']'))
return true;
if (!eat(',')) {
_error = DeserializationError::InvalidInput;
return false;
}
}
}
bool skipArray(NestingLimit nestingLimit) {
if (nestingLimit.reached()) {
_error = DeserializationError::TooDeep;
return false;
}
ARDUINOJSON_ASSERT(current() == '[');
move();
for (;;) {
if (!skipVariant(nestingLimit.decrement()))
return false;
if (!skipSpacesAndComments())
return false;
if (eat(']'))
return true;
if (!eat(',')) {
_error = DeserializationError::InvalidInput;
return false;
}
}
}
template <typename TFilter>
bool parseObject(CollectionData &object, TFilter filter,
NestingLimit nestingLimit) {
if (nestingLimit.reached()) {
_error = DeserializationError::TooDeep;
return false;
}
ARDUINOJSON_ASSERT(current() == '{');
move();
if (!skipSpacesAndComments())
return false;
if (eat('}'))
return true;
for (;;) {
if (!parseKey())
return false;
if (!skipSpacesAndComments())
return false;
if (!eat(':')) {
_error = DeserializationError::InvalidInput;
return false;
}
const char *key = _stringStorage.c_str();
TFilter memberFilter = filter[key];
if (memberFilter.allow()) {
VariantData *variant = object.getMember(adaptString(key));
if (!variant) {
key = _stringStorage.save();
VariantSlot *slot = object.addSlot(_pool);
if (!slot) {
_error = DeserializationError::NoMemory;
return false;
}
slot->setKey(key, typename TStringStorage::storage_policy());
variant = slot->data();
}
if (!parseVariant(*variant, memberFilter, nestingLimit.decrement()))
return false;
} else {
if (!skipVariant(nestingLimit.decrement()))
return false;
}
if (!skipSpacesAndComments())
return false;
if (eat('}'))
return true;
if (!eat(',')) {
_error = DeserializationError::InvalidInput;
return false;
}
if (!skipSpacesAndComments())
return false;
}
}
bool skipObject(NestingLimit nestingLimit) {
if (nestingLimit.reached()) {
_error = DeserializationError::TooDeep;
return false;
}
ARDUINOJSON_ASSERT(current() == '{');
move();
if (!skipSpacesAndComments())
return false;
if (eat('}'))
return true;
for (;;) {
if (!skipVariant(nestingLimit.decrement()))
return false;
if (!skipSpacesAndComments())
return false;
if (!eat(':')) {
_error = DeserializationError::InvalidInput;
return false;
}
if (!skipVariant(nestingLimit.decrement()))
return false;
if (!skipSpacesAndComments())
return false;
if (eat('}'))
return true;
if (!eat(',')) {
_error = DeserializationError::InvalidInput;
return false;
}
}
}
bool parseKey() {
_stringStorage.startString();
if (isQuote(current())) {
return parseQuotedString();
} else {
return parseNonQuotedString();
}
}
bool parseStringValue(VariantData &variant) {
_stringStorage.startString();
if (!parseQuotedString())
return false;
const char *value = _stringStorage.save();
variant.setStringPointer(value, typename TStringStorage::storage_policy());
return true;
}
bool parseQuotedString() {
#if ARDUINOJSON_DECODE_UNICODE
Utf16::Codepoint codepoint;
#endif
const char stopChar = current();
move();
for (;;) {
char c = current();
move();
if (c == stopChar)
break;
if (c == '\0') {
_error = DeserializationError::IncompleteInput;
return false;
}
if (c == '\\') {
c = current();
if (c == '\0') {
_error = DeserializationError::IncompleteInput;
return false;
}
if (c == 'u') {
#if ARDUINOJSON_DECODE_UNICODE
move();
uint16_t codeunit;
if (!parseHex4(codeunit))
return false;
if (codepoint.append(codeunit))
Utf8::encodeCodepoint(codepoint.value(), _stringStorage);
#else
_stringStorage.append('\\');
#endif
continue;
}
c = EscapeSequence::unescapeChar(c);
if (c == '\0') {
_error = DeserializationError::InvalidInput;
return false;
}
move();
}
_stringStorage.append(c);
}
_stringStorage.append('\0');
if (!_stringStorage.isValid()) {
_error = DeserializationError::NoMemory;
return false;
}
return true;
}
bool parseNonQuotedString() {
char c = current();
ARDUINOJSON_ASSERT(c);
if (canBeInNonQuotedString(c)) { // no quotes
do {
move();
_stringStorage.append(c);
c = current();
} while (canBeInNonQuotedString(c));
} else {
_error = DeserializationError::InvalidInput;
return false;
}
_stringStorage.append('\0');
if (!_stringStorage.isValid()) {
_error = DeserializationError::NoMemory;
return false;
}
return true;
}
bool skipString() {
const char stopChar = current();
move();
for (;;) {
char c = current();
move();
if (c == stopChar)
break;
if (c == '\0') {
_error = DeserializationError::IncompleteInput;
return false;
}
if (c == '\\') {
if (current() != '\0')
move();
}
}
return true;
}
bool parseNumericValue(VariantData &result) {
uint8_t n = 0;
char c = current();
while (canBeInNonQuotedString(c) && n < 63) {
move();
_buffer[n++] = c;
c = current();
}
_buffer[n] = 0;
c = _buffer[0];
if (c == 't') { // true
result.setBoolean(true);
if (n != 4) {
_error = DeserializationError::IncompleteInput;
return false;
}
return true;
}
if (c == 'f') { // false
result.setBoolean(false);
if (n != 5) {
_error = DeserializationError::IncompleteInput;
return false;
}
return true;
}
if (c == 'n') { // null
if (n != 4) {
_error = DeserializationError::IncompleteInput;
return false;
}
return true;
}
if (!parseNumber(_buffer, result)) {
_error = DeserializationError::InvalidInput;
return false;
}
return true;
}
bool skipNumericValue() {
char c = current();
while (canBeInNonQuotedString(c)) {
move();
c = current();
}
return true;
}
bool parseHex4(uint16_t &result) {
result = 0;
for (uint8_t i = 0; i < 4; ++i) {
char digit = current();
if (!digit) {
_error = DeserializationError::IncompleteInput;
return false;
}
uint8_t value = decodeHex(digit);
if (value > 0x0F) {
_error = DeserializationError::InvalidInput;
return false;
}
result = uint16_t((result << 4) | value);
move();
}
return true;
}
static inline bool isBetween(char c, char min, char max) {
return min <= c && c <= max;
}
static inline bool canBeInNonQuotedString(char c) {
return isBetween(c, '0', '9') || isBetween(c, '_', 'z') ||
isBetween(c, 'A', 'Z') || c == '+' || c == '-' || c == '.';
}
static inline bool isQuote(char c) {
return c == '\'' || c == '\"';
}
static inline uint8_t decodeHex(char c) {
if (c < 'A')
return uint8_t(c - '0');
c = char(c & ~0x20); // uppercase
return uint8_t(c - 'A' + 10);
}
bool skipSpacesAndComments() {
for (;;) {
switch (current()) {
case '\0':
_error = _foundSomething ? DeserializationError::IncompleteInput
: DeserializationError::EmptyInput;
return false;
case ' ':
case '\t':
case '\r':
case '\n':
move();
continue;
#if ARDUINOJSON_ENABLE_COMMENTS
case '/':
move(); // skip '/'
switch (current()) {
case '*': {
move(); // skip '*'
bool wasStar = false;
for (;;) {
char c = current();
if (c == '\0') {
_error = DeserializationError::IncompleteInput;
return false;
}
if (c == '/' && wasStar) {
move();
break;
}
wasStar = c == '*';
move();
}
break;
}
case '/':
for (;;) {
move();
char c = current();
if (c == '\0') {
_error = DeserializationError::IncompleteInput;
return false;
}
if (c == '\n')
break;
}
break;
default:
_error = DeserializationError::InvalidInput;
return false;
}
break;
#endif
default:
_foundSomething = true;
return true;
}
}
}
TStringStorage _stringStorage;
bool _foundSomething;
Latch<TReader> _latch;
MemoryPool *_pool;
char _buffer[64]; // using a member instead of a local variable because it
DeserializationError _error;
};
template <typename TString>
DeserializationError deserializeJson(
JsonDocument &doc, const TString &input,
NestingLimit nestingLimit = NestingLimit()) {
return deserialize<JsonDeserializer>(doc, input, nestingLimit,
AllowAllFilter());
}
template <typename TString>
DeserializationError deserializeJson(
JsonDocument &doc, const TString &input, Filter filter,
NestingLimit nestingLimit = NestingLimit()) {
return deserialize<JsonDeserializer>(doc, input, nestingLimit, filter);
}
template <typename TString>
DeserializationError deserializeJson(JsonDocument &doc, const TString &input,
NestingLimit nestingLimit, Filter filter) {
return deserialize<JsonDeserializer>(doc, input, nestingLimit, filter);
}
template <typename TStream>
DeserializationError deserializeJson(
JsonDocument &doc, TStream &input,
NestingLimit nestingLimit = NestingLimit()) {
return deserialize<JsonDeserializer>(doc, input, nestingLimit,
AllowAllFilter());
}
template <typename TStream>
DeserializationError deserializeJson(
JsonDocument &doc, TStream &input, Filter filter,
NestingLimit nestingLimit = NestingLimit()) {
return deserialize<JsonDeserializer>(doc, input, nestingLimit, filter);
}
template <typename TStream>
DeserializationError deserializeJson(JsonDocument &doc, TStream &input,
NestingLimit nestingLimit, Filter filter) {
return deserialize<JsonDeserializer>(doc, input, nestingLimit, filter);
}
template <typename TChar>
DeserializationError deserializeJson(
JsonDocument &doc, TChar *input,
NestingLimit nestingLimit = NestingLimit()) {
return deserialize<JsonDeserializer>(doc, input, nestingLimit,
AllowAllFilter());
}
template <typename TChar>
DeserializationError deserializeJson(
JsonDocument &doc, TChar *input, Filter filter,
NestingLimit nestingLimit = NestingLimit()) {
return deserialize<JsonDeserializer>(doc, input, nestingLimit, filter);
}
template <typename TChar>
DeserializationError deserializeJson(JsonDocument &doc, TChar *input,
NestingLimit nestingLimit, Filter filter) {
return deserialize<JsonDeserializer>(doc, input, nestingLimit, filter);
}
template <typename TChar>
DeserializationError deserializeJson(
JsonDocument &doc, TChar *input, size_t inputSize,
NestingLimit nestingLimit = NestingLimit()) {
return deserialize<JsonDeserializer>(doc, input, inputSize, nestingLimit,
AllowAllFilter());
}
template <typename TChar>
DeserializationError deserializeJson(
JsonDocument &doc, TChar *input, size_t inputSize, Filter filter,
NestingLimit nestingLimit = NestingLimit()) {
return deserialize<JsonDeserializer>(doc, input, inputSize, nestingLimit,
filter);
}
template <typename TChar>
DeserializationError deserializeJson(JsonDocument &doc, TChar *input,
size_t inputSize,
NestingLimit nestingLimit, Filter filter) {
return deserialize<JsonDeserializer>(doc, input, inputSize, nestingLimit,
filter);
}
template <typename TFloat>
struct FloatParts {
uint32_t integral;
uint32_t decimal;
int16_t exponent;
int8_t decimalPlaces;
FloatParts(TFloat value) {
uint32_t maxDecimalPart = sizeof(TFloat) >= 8 ? 1000000000 : 1000000;
decimalPlaces = sizeof(TFloat) >= 8 ? 9 : 6;
exponent = normalize(value);
integral = uint32_t(value);
for (uint32_t tmp = integral; tmp >= 10; tmp /= 10) {
maxDecimalPart /= 10;
decimalPlaces--;
}
TFloat remainder = (value - TFloat(integral)) * TFloat(maxDecimalPart);
decimal = uint32_t(remainder);
remainder = remainder - TFloat(decimal);
decimal += uint32_t(remainder * 2);
if (decimal >= maxDecimalPart) {
decimal = 0;
integral++;
if (exponent && integral >= 10) {
exponent++;
integral = 1;
}
}
while (decimal % 10 == 0 && decimalPlaces > 0) {
decimal /= 10;
decimalPlaces--;
}
}
static int16_t normalize(TFloat& value) {
typedef FloatTraits<TFloat> traits;
int16_t powersOf10 = 0;
int8_t index = sizeof(TFloat) == 8 ? 8 : 5;
int bit = 1 << index;
if (value >= ARDUINOJSON_POSITIVE_EXPONENTIATION_THRESHOLD) {
for (; index >= 0; index--) {
if (value >= traits::positiveBinaryPowerOfTen(index)) {
value *= traits::negativeBinaryPowerOfTen(index);
powersOf10 = int16_t(powersOf10 + bit);
}
bit >>= 1;
}
}
if (value > 0 && value <= ARDUINOJSON_NEGATIVE_EXPONENTIATION_THRESHOLD) {
for (; index >= 0; index--) {
if (value < traits::negativeBinaryPowerOfTenPlusOne(index)) {
value *= traits::positiveBinaryPowerOfTen(index);
powersOf10 = int16_t(powersOf10 - bit);
}
bit >>= 1;
}
}
return powersOf10;
}
};
template <typename TWriter>
class CountingDecorator {
public:
explicit CountingDecorator(TWriter& writer) : _writer(writer), _count(0) {}
void write(uint8_t c) {
_count += _writer.write(c);
}
void write(const uint8_t* s, size_t n) {
_count += _writer.write(s, n);
}
size_t count() const {
return _count;
}
private:
TWriter _writer;
size_t _count;
};
template <typename TWriter>
class TextFormatter {
public:
explicit TextFormatter(TWriter writer) : _writer(writer) {}
size_t bytesWritten() const {
return _writer.count();
}
void writeBoolean(bool value) {
if (value)
writeRaw("true");
else
writeRaw("false");
}
void writeString(const char *value) {
ARDUINOJSON_ASSERT(value != NULL);
writeRaw('\"');
while (*value) writeChar(*value++);
writeRaw('\"');
}
void writeChar(char c) {
char specialChar = EscapeSequence::escapeChar(c);
if (specialChar) {
writeRaw('\\');
writeRaw(specialChar);
} else {
writeRaw(c);
}
}
template <typename T>
void writeFloat(T value) {
if (isnan(value))
return writeRaw(ARDUINOJSON_ENABLE_NAN ? "NaN" : "null");
#if ARDUINOJSON_ENABLE_INFINITY
if (value < 0.0) {
writeRaw('-');
value = -value;
}
if (isinf(value))
return writeRaw("Infinity");
#else
if (isinf(value))
return writeRaw("null");
if (value < 0.0) {
writeRaw('-');
value = -value;
}
#endif
FloatParts<T> parts(value);
writeInteger(parts.integral);
if (parts.decimalPlaces)
writeDecimals(parts.decimal, parts.decimalPlaces);
if (parts.exponent) {
writeRaw('e');
writeInteger(parts.exponent);
}
}
template <typename T>
typename enable_if<is_signed<T>::value>::type writeInteger(T value) {
typedef typename make_unsigned<T>::type unsigned_type;
unsigned_type unsigned_value;
if (value < 0) {
writeRaw('-');
unsigned_value = unsigned_type(unsigned_type(~value) + 1);
} else {
unsigned_value = unsigned_type(value);
}
writeInteger(unsigned_value);
}
template <typename T>
typename enable_if<is_unsigned<T>::value>::type writeInteger(T value) {
char buffer[22];
char *end = buffer + sizeof(buffer);
char *begin = end;
do {
*--begin = char(value % 10 + '0');
value = T(value / 10);
} while (value);
writeRaw(begin, end);
}
void writeDecimals(uint32_t value, int8_t width) {
char buffer[16];
char *end = buffer + sizeof(buffer);
char *begin = end;
while (width--) {
*--begin = char(value % 10 + '0');
value /= 10;
}
*--begin = '.';
writeRaw(begin, end);
}
void writeRaw(const char *s) {
_writer.write(reinterpret_cast<const uint8_t *>(s), strlen(s));
}
void writeRaw(const char *s, size_t n) {
_writer.write(reinterpret_cast<const uint8_t *>(s), n);
}
void writeRaw(const char *begin, const char *end) {
_writer.write(reinterpret_cast<const uint8_t *>(begin),
static_cast<size_t>(end - begin));
}
template <size_t N>
void writeRaw(const char (&s)[N]) {
_writer.write(reinterpret_cast<const uint8_t *>(s), N - 1);
}
void writeRaw(char c) {
_writer.write(static_cast<uint8_t>(c));
}
protected:
CountingDecorator<TWriter> _writer;
private:
TextFormatter &operator=(const TextFormatter &); // cannot be assigned
};
class DummyWriter {
public:
size_t write(uint8_t) {
return 1;
}
size_t write(const uint8_t*, size_t n) {
return n;
}
};
template <template <typename> class TSerializer, typename TSource>
size_t measure(const TSource &source) {
DummyWriter dp;
TSerializer<DummyWriter> serializer(dp);
return source.accept(serializer);
}
template <typename TDestination, typename Enable = void>
class Writer {
public:
explicit Writer(TDestination& dest) : _dest(&dest) {}
size_t write(uint8_t c) {
return _dest->write(c);
}
size_t write(const uint8_t* s, size_t n) {
return _dest->write(s, n);
}
private:
TDestination* _dest;
};
class StaticStringWriter {
public:
StaticStringWriter(char *buf, size_t size) : end(buf + size), p(buf) {}
size_t write(uint8_t c) {
if (p >= end)
return 0;
*p++ = static_cast<char>(c);
return 1;
}
size_t write(const uint8_t *s, size_t n) {
char *begin = p;
while (p < end && n > 0) {
*p++ = static_cast<char>(*s++);
n--;
}
return size_t(p - begin);
}
private:
char *end;
char *p;
};
} // namespace ARDUINOJSON_NAMESPACE
#if ARDUINOJSON_ENABLE_STD_STRING
namespace ARDUINOJSON_NAMESPACE {
template <class T>
struct is_std_string : false_type {};
template <class TCharTraits, class TAllocator>
struct is_std_string<std::basic_string<char, TCharTraits, TAllocator> >
: true_type {};
template <typename TDestination>
class Writer<TDestination,
typename enable_if<is_std_string<TDestination>::value>::type> {
public:
Writer(TDestination &str) : _str(&str) {}
size_t write(uint8_t c) {
_str->operator+=(static_cast<char>(c));
return 1;
}
size_t write(const uint8_t *s, size_t n) {
_str->append(reinterpret_cast<const char *>(s), n);
return n;
}
private:
TDestination *_str;
};
} // namespace ARDUINOJSON_NAMESPACE
#endif
#if ARDUINOJSON_ENABLE_ARDUINO_STRING
namespace ARDUINOJSON_NAMESPACE {
template <>
class Writer< ::String, void> {
static const size_t bufferCapacity = ARDUINOJSON_STRING_BUFFER_SIZE;
public:
explicit Writer(::String &str) : _destination(&str) {
_size = 0;
}
~Writer() {
flush();
}
size_t write(uint8_t c) {
if (_size + 1 >= bufferCapacity)
if (flush() != 0)
return 0;
_buffer[_size++] = static_cast<char>(c);
return 1;
}
size_t write(const uint8_t *s, size_t n) {
for (size_t i = 0; i < n; i++) {
write(s[i]);
}
return n;
}
size_t flush() {
ARDUINOJSON_ASSERT(_size < bufferCapacity);
_buffer[_size] = 0;
if (_destination->concat(_buffer))
_size = 0;
return _size;
}
private:
::String *_destination;
char _buffer[bufferCapacity];
size_t _size;
};
} // namespace ARDUINOJSON_NAMESPACE
#endif
#if ARDUINOJSON_ENABLE_STD_STREAM
namespace ARDUINOJSON_NAMESPACE {
template <typename TDestination>
class Writer<
TDestination,
typename enable_if<is_base_of<std::ostream, TDestination>::value>::type> {
public:
explicit Writer(std::ostream& os) : _os(&os) {}
size_t write(uint8_t c) {
_os->put(static_cast<char>(c));
return 1;
}
size_t write(const uint8_t* s, size_t n) {
_os->write(reinterpret_cast<const char*>(s),
static_cast<std::streamsize>(n));
return n;
}
private:
std::ostream* _os;
};
} // namespace ARDUINOJSON_NAMESPACE
#endif
#if ARDUINOJSON_ENABLE_ARDUINO_PRINT
namespace ARDUINOJSON_NAMESPACE {
template <typename TDestination>
class Writer<
TDestination,
typename enable_if<is_base_of< ::Print, TDestination>::value>::type> {
public:
explicit Writer(::Print& print) : _print(&print) {}
size_t write(uint8_t c) {
return _print->write(c);
}
size_t write(const uint8_t* s, size_t n) {
return _print->write(s, n);
}
private:
::Print* _print;
};
} // namespace ARDUINOJSON_NAMESPACE
#endif
namespace ARDUINOJSON_NAMESPACE {
template <template <typename> class TSerializer, typename TSource,
typename TWriter>
size_t doSerialize(const TSource &source, TWriter writer) {
TSerializer<TWriter> serializer(writer);
return source.accept(serializer);
}
template <template <typename> class TSerializer, typename TSource,
typename TDestination>
size_t serialize(const TSource &source, TDestination &destination) {
Writer<TDestination> writer(destination);
return doSerialize<TSerializer>(source, writer);
}
template <template <typename> class TSerializer, typename TSource>
typename enable_if<!TSerializer<StaticStringWriter>::producesText, size_t>::type
serialize(const TSource &source, void *buffer, size_t bufferSize) {
StaticStringWriter writer(reinterpret_cast<char *>(buffer), bufferSize);
return doSerialize<TSerializer>(source, writer);
}
template <template <typename> class TSerializer, typename TSource>
typename enable_if<TSerializer<StaticStringWriter>::producesText, size_t>::type
serialize(const TSource &source, void *buffer, size_t bufferSize) {
StaticStringWriter writer(reinterpret_cast<char *>(buffer), bufferSize);
size_t n = doSerialize<TSerializer>(source, writer);
if (n < bufferSize)
reinterpret_cast<char *>(buffer)[n] = 0;
return n;
}
template <template <typename> class TSerializer, typename TSource,
typename TChar, size_t N>
#if defined _MSC_VER && _MSC_VER < 1900
typename enable_if<sizeof(remove_reference<TChar>::type) == 1, size_t>::type
#else
typename enable_if<sizeof(TChar) == 1, size_t>::type
#endif
serialize(const TSource &source, TChar (&buffer)[N]) {
return serialize<TSerializer>(source, buffer, N);
}
template <typename TWriter>
class JsonSerializer : public Visitor<size_t> {
public:
static const bool producesText = true;
JsonSerializer(TWriter writer) : _formatter(writer) {}
FORCE_INLINE size_t visitArray(const CollectionData &array) {
write('[');
VariantSlot *slot = array.head();
while (slot != 0) {
slot->data()->accept(*this);
slot = slot->next();
if (slot == 0)
break;
write(',');
}
write(']');
return bytesWritten();
}
size_t visitObject(const CollectionData &object) {
write('{');
VariantSlot *slot = object.head();
while (slot != 0) {
_formatter.writeString(slot->key());
write(':');
slot->data()->accept(*this);
slot = slot->next();
if (slot == 0)
break;
write(',');
}
write('}');
return bytesWritten();
}
size_t visitFloat(Float value) {
_formatter.writeFloat(value);
return bytesWritten();
}
size_t visitString(const char *value) {
_formatter.writeString(value);
return bytesWritten();
}
size_t visitRawJson(const char *data, size_t n) {
_formatter.writeRaw(data, n);
return bytesWritten();
}
size_t visitSignedInteger(Integer value) {
_formatter.writeInteger(value);
return bytesWritten();
}
size_t visitUnsignedInteger(UInt value) {
_formatter.writeInteger(value);
return bytesWritten();
}
size_t visitBoolean(bool value) {
_formatter.writeBoolean(value);
return bytesWritten();
}
size_t visitNull() {
_formatter.writeRaw("null");
return bytesWritten();
}
protected:
size_t bytesWritten() const {
return _formatter.bytesWritten();
}
void write(char c) {
_formatter.writeRaw(c);
}
void write(const char *s) {
_formatter.writeRaw(s);
}
private:
TextFormatter<TWriter> _formatter;
};
template <typename TSource, typename TDestination>
size_t serializeJson(const TSource &source, TDestination &destination) {
return serialize<JsonSerializer>(source, destination);
}
template <typename TSource>
size_t serializeJson(const TSource &source, void *buffer, size_t bufferSize) {
return serialize<JsonSerializer>(source, buffer, bufferSize);
}
template <typename TSource>
size_t measureJson(const TSource &source) {
return measure<JsonSerializer>(source);
}
#if ARDUINOJSON_ENABLE_STD_STREAM
template <typename T>
inline typename enable_if<IsVisitable<T>::value, std::ostream &>::type
operator<<(std::ostream &os, const T &source) {
serializeJson(source, os);
return os;
}
#endif
template <typename TWriter>
class PrettyJsonSerializer : public JsonSerializer<TWriter> {
typedef JsonSerializer<TWriter> base;
public:
PrettyJsonSerializer(TWriter writer) : base(writer), _nesting(0) {}
size_t visitArray(const CollectionData &array) {
VariantSlot *slot = array.head();
if (slot) {
base::write("[\r\n");
_nesting++;
while (slot != 0) {
indent();
slot->data()->accept(*this);
slot = slot->next();
base::write(slot ? ",\r\n" : "\r\n");
}
_nesting--;
indent();
base::write("]");
} else {
base::write("[]");
}
return this->bytesWritten();
}
size_t visitObject(const CollectionData &object) {
VariantSlot *slot = object.head();
if (slot) {
base::write("{\r\n");
_nesting++;
while (slot != 0) {
indent();
base::visitString(slot->key());
base::write(": ");
slot->data()->accept(*this);
slot = slot->next();
base::write(slot ? ",\r\n" : "\r\n");
}
_nesting--;
indent();
base::write("}");
} else {
base::write("{}");
}
return this->bytesWritten();
}
private:
void indent() {
for (uint8_t i = 0; i < _nesting; i++) base::write(ARDUINOJSON_TAB);
}
uint8_t _nesting;
};
template <typename TSource, typename TDestination>
size_t serializeJsonPretty(const TSource &source, TDestination &destination) {
return serialize<PrettyJsonSerializer>(source, destination);
}
template <typename TSource>
size_t serializeJsonPretty(const TSource &source, void *buffer,
size_t bufferSize) {
return serialize<PrettyJsonSerializer>(source, buffer, bufferSize);
}
template <typename TSource>
size_t measureJsonPretty(const TSource &source) {
return measure<PrettyJsonSerializer>(source);
}
template <typename T>
inline void swap(T& a, T& b) {
T t(a);
a = b;
b = t;
}
#if ARDUINOJSON_HAS_RVALUE_REFERENCES
template <typename T>
typename remove_reference<T>::type&& move(T&& t) {
return static_cast<typename remove_reference<T>::type&&>(t);
}
#else
template <typename T>
T& move(T& t) {
return t;
}
#endif
#if ARDUINOJSON_LITTLE_ENDIAN
inline void fixEndianess(uint8_t *p, integral_constant<size_t, 8>) {
swap(p[0], p[7]);
swap(p[1], p[6]);
swap(p[2], p[5]);
swap(p[3], p[4]);
}
inline void fixEndianess(uint8_t *p, integral_constant<size_t, 4>) {
swap(p[0], p[3]);
swap(p[1], p[2]);
}
inline void fixEndianess(uint8_t *p, integral_constant<size_t, 2>) {
swap(p[0], p[1]);
}
inline void fixEndianess(uint8_t *, integral_constant<size_t, 1>) {}
template <typename T>
inline void fixEndianess(T &value) {
fixEndianess(reinterpret_cast<uint8_t *>(&value),
integral_constant<size_t, sizeof(T)>());
}
#else
template <typename T>
inline void fixEndianess(T &) {}
#endif
inline void doubleToFloat(const uint8_t d[8], uint8_t f[4]) {
f[0] = uint8_t((d[0] & 0xC0) | (d[0] << 3 & 0x3f) | (d[1] >> 5));
f[1] = uint8_t((d[1] << 3) | (d[2] >> 5));
f[2] = uint8_t((d[2] << 3) | (d[3] >> 5));
f[3] = uint8_t((d[3] << 3) | (d[4] >> 5));
}
template <typename TReader, typename TStringStorage>
class MsgPackDeserializer {
public:
MsgPackDeserializer(MemoryPool &pool, TReader reader,
TStringStorage stringStorage)
: _pool(&pool),
_reader(reader),
_stringStorage(stringStorage),
_error(DeserializationError::Ok),
_foundSomething(false) {}
template <typename TFilter>
DeserializationError parse(VariantData &variant, TFilter filter,
NestingLimit nestingLimit) {
parseVariant(&variant, filter, nestingLimit);
return _foundSomething ? _error : DeserializationError::EmptyInput;
}
private:
bool invalidInput() {
_error = DeserializationError::InvalidInput;
return false;
}
template <typename TFilter>
bool parseVariant(VariantData *variant, TFilter filter,
NestingLimit nestingLimit) {
uint8_t code = 0; // TODO: why do we need to initialize this variable?
if (!readByte(code))
return false;
_foundSomething = true;
bool allowValue = filter.allowValue();
switch (code) {
case 0xc0:
return true;
case 0xc1:
return invalidInput();
case 0xc2:
if (allowValue)
variant->setBoolean(false);
return true;
case 0xc3:
if (allowValue)
variant->setBoolean(true);
return true;
case 0xc4: // bin 8 (not supported)
return skipString<uint8_t>();
case 0xc5: // bin 16 (not supported)
return skipString<uint16_t>();
case 0xc6: // bin 32 (not supported)
return skipString<uint32_t>();
case 0xc7: // ext 8 (not supported)
return skipExt<uint8_t>();
case 0xc8: // ext 16 (not supported)
return skipExt<uint16_t>();
case 0xc9: // ext 32 (not supported)
return skipExt<uint32_t>();
case 0xca:
if (allowValue)
return readFloat<float>(variant);
else
return skipBytes(4);
case 0xcb:
if (allowValue)
return readDouble<double>(variant);
else
return skipBytes(8);
case 0xcc:
if (allowValue)
return readInteger<uint8_t>(variant);
else
return skipBytes(1);
case 0xcd:
if (allowValue)
return readInteger<uint16_t>(variant);
else
return skipBytes(2);
case 0xce:
if (allowValue)
return readInteger<uint32_t>(variant);
else
return skipBytes(4);
case 0xcf:
#if ARDUINOJSON_USE_LONG_LONG
if (allowValue)
return readInteger<uint64_t>(variant);
else
return skipBytes(8);
#else
return skipBytes(8); // not supported
#endif
case 0xd0:
if (allowValue)
return readInteger<int8_t>(variant);
else
return skipBytes(1);
case 0xd1:
if (allowValue)
return readInteger<int16_t>(variant);
else
return skipBytes(2);
case 0xd2:
if (allowValue)
return readInteger<int32_t>(variant);
else
return skipBytes(4);
case 0xd3:
#if ARDUINOJSON_USE_LONG_LONG
if (allowValue)
return readInteger<int64_t>(variant);
else
return skipBytes(8); // not supported
#else
return skipBytes(8);
#endif
case 0xd4: // fixext 1 (not supported)
return skipBytes(2);
case 0xd5: // fixext 2 (not supported)
return skipBytes(3);
case 0xd6: // fixext 4 (not supported)
return skipBytes(5);
case 0xd7: // fixext 8 (not supported)
return skipBytes(9);
case 0xd8: // fixext 16 (not supported)
return skipBytes(17);
case 0xd9:
if (allowValue)
return readString<uint8_t>(variant);
else
return skipString<uint8_t>();
case 0xda:
if (allowValue)
return readString<uint16_t>(variant);
else
return skipString<uint16_t>();
case 0xdb:
if (allowValue)
return readString<uint32_t>(variant);
else
return skipString<uint32_t>();
case 0xdc:
return readArray<uint16_t>(variant, filter, nestingLimit);
case 0xdd:
return readArray<uint32_t>(variant, filter, nestingLimit);
case 0xde:
return readObject<uint16_t>(variant, filter, nestingLimit);
case 0xdf:
return readObject<uint32_t>(variant, filter, nestingLimit);
}
switch (code & 0xf0) {
case 0x80:
return readObject(variant, code & 0x0F, filter, nestingLimit);
case 0x90:
return readArray(variant, code & 0x0F, filter, nestingLimit);
}
if ((code & 0xe0) == 0xa0) {
if (allowValue)
return readString(variant, code & 0x1f);
else
return skipBytes(code & 0x1f);
}
if (allowValue)
variant->setInteger(static_cast<int8_t>(code));
return true;
}
bool readByte(uint8_t &value) {
int c = _reader.read();
if (c < 0) {
_error = DeserializationError::IncompleteInput;
return false;
}
value = static_cast<uint8_t>(c);
return true;
}
bool readBytes(uint8_t *p, size_t n) {
if (_reader.readBytes(reinterpret_cast<char *>(p), n) == n)
return true;
_error = DeserializationError::IncompleteInput;
return false;
}
template <typename T>
bool readBytes(T &value) {
return readBytes(reinterpret_cast<uint8_t *>(&value), sizeof(value));
}
bool skipBytes(size_t n) {
for (; n; --n) {
if (_reader.read() < 0) {
_error = DeserializationError::IncompleteInput;
return false;
}
}
return true;
}
template <typename T>
bool readInteger(T &value) {
if (!readBytes(value))
return false;
fixEndianess(value);
return true;
}
template <typename T>
bool readInteger(VariantData *variant) {
T value;
if (!readInteger(value))
return false;
variant->setInteger(value);
return true;
}
template <typename T>
typename enable_if<sizeof(T) == 4, bool>::type readFloat(
VariantData *variant) {
T value;
if (!readBytes(value))
return false;
fixEndianess(value);
variant->setFloat(value);
return true;
}
template <typename T>
typename enable_if<sizeof(T) == 8, bool>::type readDouble(
VariantData *variant) {
T value;
if (!readBytes(value))
return false;
fixEndianess(value);
variant->setFloat(value);
return true;
}
template <typename T>
typename enable_if<sizeof(T) == 4, bool>::type readDouble(
VariantData *variant) {
uint8_t i[8]; // input is 8 bytes
T value; // output is 4 bytes
uint8_t *o = reinterpret_cast<uint8_t *>(&value);
if (!readBytes(i, 8))
return false;
doubleToFloat(i, o);
fixEndianess(value);
variant->setFloat(value);
return true;
}
template <typename T>
bool readString(VariantData *variant) {
T size;
if (!readInteger(size))
return false;
return readString(variant, size);
}
template <typename T>
bool readString() {
T size;
if (!readInteger(size))
return false;
return readString(size);
}
template <typename T>
bool skipString() {
T size;
if (!readInteger(size))
return false;
return skipBytes(size);
}
bool readString(VariantData *variant, size_t n) {
if (!readString(n))
return false;
variant->setStringPointer(_stringStorage.save(),
typename TStringStorage::storage_policy());
return true;
}
bool readString(size_t n) {
_stringStorage.startString();
for (; n; --n) {
uint8_t c;
if (!readBytes(c))
return false;
_stringStorage.append(static_cast<char>(c));
}
_stringStorage.append('\0');
if (!_stringStorage.isValid()) {
_error = DeserializationError::NoMemory;
return false;
}
return true;
}
template <typename TSize, typename TFilter>
bool readArray(VariantData *variant, TFilter filter,
NestingLimit nestingLimit) {
TSize size;
if (!readInteger(size))
return false;
return readArray(variant, size, filter, nestingLimit);
}
template <typename TFilter>
bool readArray(VariantData *variant, size_t n, TFilter filter,
NestingLimit nestingLimit) {
if (nestingLimit.reached()) {
_error = DeserializationError::TooDeep;
return false;
}
bool allowArray = filter.allowArray();
CollectionData *array = allowArray ? &variant->toArray() : 0;
TFilter memberFilter = filter[0U];
for (; n; --n) {
VariantData *value;
if (memberFilter.allow()) {
value = array->addElement(_pool);
if (!value) {
_error = DeserializationError::NoMemory;
return false;
}
} else {
value = 0;
}
if (!parseVariant(value, memberFilter, nestingLimit.decrement()))
return false;
}
return true;
}
template <typename TSize, typename TFilter>
bool readObject(VariantData *variant, TFilter filter,
NestingLimit nestingLimit) {
TSize size;
if (!readInteger(size))
return false;
return readObject(variant, size, filter, nestingLimit);
}
template <typename TFilter>
bool readObject(VariantData *variant, size_t n, TFilter filter,
NestingLimit nestingLimit) {
if (nestingLimit.reached()) {
_error = DeserializationError::TooDeep;
return false;
}
CollectionData *object = filter.allowObject() ? &variant->toObject() : 0;
for (; n; --n) {
if (!readKey())
return false;
const char *key = _stringStorage.c_str();
TFilter memberFilter = filter[key];
VariantData *member;
if (memberFilter.allow()) {
key = _stringStorage.save();
VariantSlot *slot = object->addSlot(_pool);
if (!slot) {
_error = DeserializationError::NoMemory;
return false;
}
slot->setKey(key, typename TStringStorage::storage_policy());
member = slot->data();
} else {
member = 0;
}
if (!parseVariant(member, memberFilter, nestingLimit.decrement()))
return false;
}
return true;
}
bool readKey() {
uint8_t code;
if (!readByte(code))
return false;
if ((code & 0xe0) == 0xa0)
return readString(code & 0x1f);
switch (code) {
case 0xd9:
return readString<uint8_t>();
case 0xda:
return readString<uint16_t>();
case 0xdb:
return readString<uint32_t>();
default:
return invalidInput();
}
}
template <typename T>
bool skipExt() {
T size;
if (!readInteger(size))
return false;
return skipBytes(size + 1);
}
MemoryPool *_pool;
TReader _reader;
TStringStorage _stringStorage;
DeserializationError _error;
bool _foundSomething;
};
template <typename TString>
DeserializationError deserializeMsgPack(
JsonDocument &doc, const TString &input,
NestingLimit nestingLimit = NestingLimit()) {
return deserialize<MsgPackDeserializer>(doc, input, nestingLimit,
AllowAllFilter());
}
template <typename TString>
DeserializationError deserializeMsgPack(
JsonDocument &doc, const TString &input, Filter filter,
NestingLimit nestingLimit = NestingLimit()) {
return deserialize<MsgPackDeserializer>(doc, input, nestingLimit, filter);
}
template <typename TString>
DeserializationError deserializeMsgPack(JsonDocument &doc, const TString &input,
NestingLimit nestingLimit,
Filter filter) {
return deserialize<MsgPackDeserializer>(doc, input, nestingLimit, filter);
}
template <typename TStream>
DeserializationError deserializeMsgPack(
JsonDocument &doc, TStream &input,
NestingLimit nestingLimit = NestingLimit()) {
return deserialize<MsgPackDeserializer>(doc, input, nestingLimit,
AllowAllFilter());
}
template <typename TStream>
DeserializationError deserializeMsgPack(
JsonDocument &doc, TStream &input, Filter filter,
NestingLimit nestingLimit = NestingLimit()) {
return deserialize<MsgPackDeserializer>(doc, input, nestingLimit, filter);
}
template <typename TStream>
DeserializationError deserializeMsgPack(JsonDocument &doc, TStream &input,
NestingLimit nestingLimit,
Filter filter) {
return deserialize<MsgPackDeserializer>(doc, input, nestingLimit, filter);
}
template <typename TChar>
DeserializationError deserializeMsgPack(
JsonDocument &doc, TChar *input,
NestingLimit nestingLimit = NestingLimit()) {
return deserialize<MsgPackDeserializer>(doc, input, nestingLimit,
AllowAllFilter());
}
template <typename TChar>
DeserializationError deserializeMsgPack(
JsonDocument &doc, TChar *input, Filter filter,
NestingLimit nestingLimit = NestingLimit()) {
return deserialize<MsgPackDeserializer>(doc, input, nestingLimit, filter);
}
template <typename TChar>
DeserializationError deserializeMsgPack(JsonDocument &doc, TChar *input,
NestingLimit nestingLimit,
Filter filter) {
return deserialize<MsgPackDeserializer>(doc, input, nestingLimit, filter);
}
template <typename TChar>
DeserializationError deserializeMsgPack(
JsonDocument &doc, TChar *input, size_t inputSize,
NestingLimit nestingLimit = NestingLimit()) {
return deserialize<MsgPackDeserializer>(doc, input, inputSize, nestingLimit,
AllowAllFilter());
}
template <typename TChar>
DeserializationError deserializeMsgPack(
JsonDocument &doc, TChar *input, size_t inputSize, Filter filter,
NestingLimit nestingLimit = NestingLimit()) {
return deserialize<MsgPackDeserializer>(doc, input, inputSize, nestingLimit,
filter);
}
template <typename TChar>
DeserializationError deserializeMsgPack(JsonDocument &doc, TChar *input,
size_t inputSize,
NestingLimit nestingLimit,
Filter filter) {
return deserialize<MsgPackDeserializer>(doc, input, inputSize, nestingLimit,
filter);
}
template <typename TWriter>
class MsgPackSerializer : public Visitor<size_t> {
public:
static const bool producesText = false;
MsgPackSerializer(TWriter writer) : _writer(writer) {}
template <typename T>
typename enable_if<sizeof(T) == 4, size_t>::type visitFloat(T value32) {
writeByte(0xCA);
writeInteger(value32);
return bytesWritten();
}
template <typename T>
ARDUINOJSON_NO_SANITIZE("float-cast-overflow")
typename enable_if<sizeof(T) == 8, size_t>::type visitFloat(T value64) {
float value32 = float(value64);
if (value32 == value64) {
writeByte(0xCA);
writeInteger(value32);
} else {
writeByte(0xCB);
writeInteger(value64);
}
return bytesWritten();
}
size_t visitArray(const CollectionData& array) {
size_t n = array.size();
if (n < 0x10) {
writeByte(uint8_t(0x90 + array.size()));
} else if (n < 0x10000) {
writeByte(0xDC);
writeInteger(uint16_t(n));
} else {
writeByte(0xDD);
writeInteger(uint32_t(n));
}
for (VariantSlot* slot = array.head(); slot; slot = slot->next()) {
slot->data()->accept(*this);
}
return bytesWritten();
}
size_t visitObject(const CollectionData& object) {
size_t n = object.size();
if (n < 0x10) {
writeByte(uint8_t(0x80 + n));
} else if (n < 0x10000) {
writeByte(0xDE);
writeInteger(uint16_t(n));
} else {
writeByte(0xDF);
writeInteger(uint32_t(n));
}
for (VariantSlot* slot = object.head(); slot; slot = slot->next()) {
visitString(slot->key());
slot->data()->accept(*this);
}
return bytesWritten();
}
size_t visitString(const char* value) {
ARDUINOJSON_ASSERT(value != NULL);
size_t n = strlen(value);
if (n < 0x20) {
writeByte(uint8_t(0xA0 + n));
} else if (n < 0x100) {
writeByte(0xD9);
writeInteger(uint8_t(n));
} else if (n < 0x10000) {
writeByte(0xDA);
writeInteger(uint16_t(n));
} else {
writeByte(0xDB);
writeInteger(uint32_t(n));
}
writeBytes(reinterpret_cast<const uint8_t*>(value), n);
return bytesWritten();
}
size_t visitRawJson(const char* data, size_t size) {
writeBytes(reinterpret_cast<const uint8_t*>(data), size);
return bytesWritten();
}
size_t visitSignedInteger(Integer value) {
if (value > 0) {
visitUnsignedInteger(static_cast<UInt>(value));
} else if (value >= -0x20) {
writeInteger(int8_t(value));
} else if (value >= -0x80) {
writeByte(0xD0);
writeInteger(int8_t(value));
} else if (value >= -0x8000) {
writeByte(0xD1);
writeInteger(int16_t(value));
}
#if ARDUINOJSON_USE_LONG_LONG
else if (value >= -0x80000000LL)
#else
else
#endif
{
writeByte(0xD2);
writeInteger(int32_t(value));
}
#if ARDUINOJSON_USE_LONG_LONG
else {
writeByte(0xD3);
writeInteger(int64_t(value));
}
#endif
return bytesWritten();
}
size_t visitUnsignedInteger(UInt value) {
if (value <= 0x7F) {
writeInteger(uint8_t(value));
} else if (value <= 0xFF) {
writeByte(0xCC);
writeInteger(uint8_t(value));
} else if (value <= 0xFFFF) {
writeByte(0xCD);
writeInteger(uint16_t(value));
}
#if ARDUINOJSON_USE_LONG_LONG
else if (value <= 0xFFFFFFFF)
#else
else
#endif
{
writeByte(0xCE);
writeInteger(uint32_t(value));
}
#if ARDUINOJSON_USE_LONG_LONG
else {
writeByte(0xCF);
writeInteger(uint64_t(value));
}
#endif
return bytesWritten();
}
size_t visitBoolean(bool value) {
writeByte(value ? 0xC3 : 0xC2);
return bytesWritten();
}
size_t visitNull() {
writeByte(0xC0);
return bytesWritten();
}
private:
size_t bytesWritten() const {
return _writer.count();
}
void writeByte(uint8_t c) {
_writer.write(c);
}
void writeBytes(const uint8_t* p, size_t n) {
_writer.write(p, n);
}
template <typename T>
void writeInteger(T value) {
fixEndianess(value);
writeBytes(reinterpret_cast<uint8_t*>(&value), sizeof(value));
}
CountingDecorator<TWriter> _writer;
};
template <typename TSource, typename TDestination>
inline size_t serializeMsgPack(const TSource& source, TDestination& output) {
return serialize<MsgPackSerializer>(source, output);
}
template <typename TSource>
inline size_t serializeMsgPack(const TSource& source, void* output,
size_t size) {
return serialize<MsgPackSerializer>(source, output, size);
}
template <typename TSource>
inline size_t measureMsgPack(const TSource& source) {
return measure<MsgPackSerializer>(source);
}
} // namespace ARDUINOJSON_NAMESPACE
#ifdef __GNUC__
#define ARDUINOJSON_PRAGMA(x) _Pragma(#x)
#define ARDUINOJSON_COMPILE_ERROR(msg) ARDUINOJSON_PRAGMA(GCC error msg)
#define ARDUINOJSON_STRINGIFY(S) #S
#define ARDUINOJSON_DEPRECATION_ERROR(X, Y) \
ARDUINOJSON_COMPILE_ERROR(ARDUINOJSON_STRINGIFY(X is a Y from ArduinoJson 5. Please see https:/\/arduinojson.org/upgrade to learn how to upgrade your program to ArduinoJson version 6))
#define StaticJsonBuffer ARDUINOJSON_DEPRECATION_ERROR(StaticJsonBuffer, class)
#define DynamicJsonBuffer ARDUINOJSON_DEPRECATION_ERROR(DynamicJsonBuffer, class)
#define JsonBuffer ARDUINOJSON_DEPRECATION_ERROR(JsonBuffer, class)
#define RawJson ARDUINOJSON_DEPRECATION_ERROR(RawJson, function)
#endif
namespace ArduinoJson {
typedef ARDUINOJSON_NAMESPACE::ArrayConstRef JsonArrayConst;
typedef ARDUINOJSON_NAMESPACE::ArrayRef JsonArray;
typedef ARDUINOJSON_NAMESPACE::Float JsonFloat;
typedef ARDUINOJSON_NAMESPACE::Integer JsonInteger;
typedef ARDUINOJSON_NAMESPACE::ObjectConstRef JsonObjectConst;
typedef ARDUINOJSON_NAMESPACE::ObjectRef JsonObject;
typedef ARDUINOJSON_NAMESPACE::Pair JsonPair;
typedef ARDUINOJSON_NAMESPACE::PairConst JsonPairConst;
typedef ARDUINOJSON_NAMESPACE::String JsonString;
typedef ARDUINOJSON_NAMESPACE::UInt JsonUInt;
typedef ARDUINOJSON_NAMESPACE::VariantConstRef JsonVariantConst;
typedef ARDUINOJSON_NAMESPACE::VariantRef JsonVariant;
using ARDUINOJSON_NAMESPACE::BasicJsonDocument;
using ARDUINOJSON_NAMESPACE::copyArray;
using ARDUINOJSON_NAMESPACE::DeserializationError;
using ARDUINOJSON_NAMESPACE::deserializeJson;
using ARDUINOJSON_NAMESPACE::deserializeMsgPack;
using ARDUINOJSON_NAMESPACE::DynamicJsonDocument;
using ARDUINOJSON_NAMESPACE::JsonDocument;
using ARDUINOJSON_NAMESPACE::measureJson;
using ARDUINOJSON_NAMESPACE::serialized;
using ARDUINOJSON_NAMESPACE::serializeJson;
using ARDUINOJSON_NAMESPACE::serializeJsonPretty;
using ARDUINOJSON_NAMESPACE::serializeMsgPack;
using ARDUINOJSON_NAMESPACE::StaticJsonDocument;
namespace DeserializationOption {
using ARDUINOJSON_NAMESPACE::Filter;
using ARDUINOJSON_NAMESPACE::NestingLimit;
} // namespace DeserializationOption
} // namespace ArduinoJson
using namespace ArduinoJson;
#else
#error ArduinoJson requires a C++ compiler, please change file extension to .cc or .cpp
#endif