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Move declaration of VariantConstRef above VariantRef

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This commit is contained in:
Benoit Blanchon
2022-04-13 18:13:28 +02:00
parent 3760a643cb
commit d0e3808dd0
1 changed files with 175 additions and 174 deletions
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349
src/ArduinoJson/Variant/VariantRef.hpp
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@@ -57,188 +57,15 @@ class VariantRefBase : public VariantTag {
}
};
// A variant that can be a any value serializable to a JSON value.
//
// It can be set to:
// - a boolean
// - a char, short, int or a long (signed or unsigned)
// - a string (const char*)
// - a reference to a ArrayRef or ObjectRef
class VariantRef : public VariantRefBase<VariantData>,
public VariantOperators<VariantRef>,
public VariantShortcuts<VariantRef>,
public Visitable {
typedef VariantRefBase<VariantData> base_type;
friend class VariantConstRef;
public:
// Intenal use only
FORCE_INLINE VariantRef(MemoryPool *pool, VariantData *data)
: base_type(data), _pool(pool) {}
// Creates an uninitialized VariantRef
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 {
Converter<T>::toJson(value, *this);
return _pool && !_pool->overflowed();
}
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 {
Converter<T *>::toJson(value, *this);
return _pool && !_pool->overflowed();
}
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 static_cast<char>(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);
}
// Change the type of the variant
//
// ArrayRef to<ArrayRef>()
template <typename T>
typename enable_if<is_same<T, ArrayRef>::value, ArrayRef>::type to() const;
//
// ObjectRef to<ObjectRef>()
template <typename T>
typename enable_if<is_same<T, ObjectRef>::value, ObjectRef>::type to() const;
//
// ObjectRef to<VariantRef>()
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;
// getMember(const char*) const
// getMember(const __FlashStringHelper*) const
template <typename TChar>
FORCE_INLINE VariantRef getMember(TChar *) const;
// getMember(const std::string&) const
// getMember(const String&) const
template <typename TString>
FORCE_INLINE typename enable_if<IsString<TString>::value, VariantRef>::type
getMember(const TString &) const;
// getOrAddMember(char*) const
// getOrAddMember(const char*) const
// getOrAddMember(const __FlashStringHelper*) const
template <typename TChar>
FORCE_INLINE VariantRef getOrAddMember(TChar *) const;
// getOrAddMember(const std::string&) const
// getOrAddMember(const String&) const
template <typename TString>
FORCE_INLINE VariantRef getOrAddMember(const TString &) const;
FORCE_INLINE void remove(size_t index) const {
if (_data)
_data->remove(index);
}
// remove(char*) const
// remove(const char*) const
// remove(const __FlashStringHelper*) const
template <typename TChar>
FORCE_INLINE typename enable_if<IsString<TChar *>::value>::type remove(
TChar *key) const {
if (_data)
_data->remove(adaptString(key));
}
// remove(const std::string&) const
// remove(const String&) const
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) {}
explicit VariantConstRef(const VariantData *data) : base_type(data) {}
template <typename TVisitor>
typename TVisitor::result_type accept(TVisitor &visitor) const {
@@ -339,6 +166,180 @@ class VariantConstRef : public VariantRefBase<const VariantData>,
}
};
// A variant that can be a any value serializable to a JSON value.
//
// It can be set to:
// - a boolean
// - a char, short, int or a long (signed or unsigned)
// - a string (const char*)
// - a reference to a ArrayRef or ObjectRef
class VariantRef : public VariantRefBase<VariantData>,
public VariantOperators<VariantRef>,
public VariantShortcuts<VariantRef>,
public Visitable {
typedef VariantRefBase<VariantData> base_type;
public:
// Intenal use only
FORCE_INLINE VariantRef(MemoryPool *pool, VariantData *data)
: base_type(data), _pool(pool) {}
// Creates an uninitialized VariantRef
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 {
Converter<T>::toJson(value, *this);
return _pool && !_pool->overflowed();
}
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 {
Converter<T *>::toJson(value, *this);
return _pool && !_pool->overflowed();
}
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 static_cast<char>(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 operator VariantConstRef() const {
return VariantConstRef(_data);
}
template <typename TVisitor>
typename TVisitor::result_type accept(TVisitor &visitor) const {
return variantAccept(_data, visitor);
}
// Change the type of the variant
//
// ArrayRef to<ArrayRef>()
template <typename T>
typename enable_if<is_same<T, ArrayRef>::value, ArrayRef>::type to() const;
//
// ObjectRef to<ObjectRef>()
template <typename T>
typename enable_if<is_same<T, ObjectRef>::value, ObjectRef>::type to() const;
//
// ObjectRef to<VariantRef>()
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;
// getMember(const char*) const
// getMember(const __FlashStringHelper*) const
template <typename TChar>
FORCE_INLINE VariantRef getMember(TChar *) const;
// getMember(const std::string&) const
// getMember(const String&) const
template <typename TString>
FORCE_INLINE typename enable_if<IsString<TString>::value, VariantRef>::type
getMember(const TString &) const;
// getOrAddMember(char*) const
// getOrAddMember(const char*) const
// getOrAddMember(const __FlashStringHelper*) const
template <typename TChar>
FORCE_INLINE VariantRef getOrAddMember(TChar *) const;
// getOrAddMember(const std::string&) const
// getOrAddMember(const String&) const
template <typename TString>
FORCE_INLINE VariantRef getOrAddMember(const TString &) const;
FORCE_INLINE void remove(size_t index) const {
if (_data)
_data->remove(index);
}
// remove(char*) const
// remove(const char*) const
// remove(const __FlashStringHelper*) const
template <typename TChar>
FORCE_INLINE typename enable_if<IsString<TChar *>::value>::type remove(
TChar *key) const {
if (_data)
_data->remove(adaptString(key));
}
// remove(const std::string&) const
// remove(const String&) const
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;
}
};
template <>
struct Converter<VariantRef> {
static void toJson(VariantRef src, VariantRef dst) {