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Added support of long long (issue #171)

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Moved all build settings to `ArduinoJson/Configuration.hpp`
Added AppVeyor settings in source tree
This commit is contained in:
Benoit Blanchon
2016-02-14 16:18:13 +01:00
parent ce63e9c3c3
commit 8733f95e51
53 changed files with 945 additions and 869 deletions
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66
include/ArduinoJson/Arduino/Print.hpp
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@ -9,8 +9,19 @@
#ifndef ARDUINO
#include "../Internals/JsonFloat.hpp"
#include "../Internals/JsonInteger.hpp"
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#if defined(_MSC_VER) && _MSC_VER <= 1800
// snprintf has been added in Visual Studio 2015
#define ARDUINOJSON_SNPRINTF _snprintf
#else
#define ARDUINOJSON_SNPRINTF snprintf
#endif
// This class reproduces Arduino's Print class
class Print {
@ -19,11 +30,56 @@ class Print {
virtual size_t write(uint8_t) = 0;
size_t print(const char[]);
size_t print(double, int = 2);
size_t print(int);
size_t print(long);
size_t println();
size_t print(const char* s) {
size_t n = 0;
while (*s) {
n += write(*s++);
}
return n;
}
size_t print(ArduinoJson::Internals::JsonFloat value, int digits = 2) {
char tmp[32];
// https://github.com/arduino/Arduino/blob/db8cbf24c99dc930b9ccff1a43d018c81f178535/hardware/arduino/sam/cores/arduino/Print.cpp#L220
bool isBigDouble = value > 4294967040.0 || value < -4294967040.0;
if (isBigDouble) {
// Arduino's implementation prints "ovf"
// We prefer using the scientific notation, since we have sprintf
ARDUINOJSON_SNPRINTF(tmp, sizeof(tmp), "%g", value);
} else {
// Here we have the exact same output as Arduino's implementation
ARDUINOJSON_SNPRINTF(tmp, sizeof(tmp), "%.*f", digits, value);
}
return print(tmp);
}
size_t print(ArduinoJson::Internals::JsonInteger value) {
// see http://clc-wiki.net/wiki/K%26R2_solutions:Chapter_3:Exercise_4
char buffer[22];
size_t n = 0;
if (value < 0) {
value = -value;
n += write('-');
}
uint8_t i = 0;
do {
ArduinoJson::Internals::JsonInteger digit = value % 10;
value /= 10;
buffer[i++] = static_cast<char>(digit >= 0 ? '0' + digit : '0' - digit);
} while (value);
while (i > 0) {
n += write(buffer[--i]);
}
return n;
}
size_t println() { return write('\r') + write('\n'); }
};
#else

79
include/ArduinoJson/Configuration.hpp Normal file
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@ -0,0 +1,79 @@
// Copyright Benoit Blanchon 2014-2016
// MIT License
//
// Arduino JSON library
// https://github.com/bblanchon/ArduinoJson
// If you like this project, please add a star!
#pragma once
#ifdef ARDUINO // assume this is an embedded platform
// store using float instead of double to reduce the memory usage (issue #134)
#ifndef ARDUINOJSON_USE_DOUBLE
#define ARDUINOJSON_USE_DOUBLE 0
#endif
// store using a long because it usually match the size of a float.
#ifndef ARDUINOJSON_USE_LONG_LONG
#define ARDUINOJSON_USE_LONG_LONG 0
#endif
#ifndef ARDUINOJSON_USE_INT64
#define ARDUINOJSON_USE_INT64 0
#endif
// arduino doesn't support STL stream
#ifndef ARDUINOJSON_ENABLE_STD_STREAM
#define ARDUINOJSON_ENABLE_STD_STREAM 0
#endif
#ifndef ARDUINOJSON_ENABLE_ALIGNMENT
#ifdef ARDUINO_ARCH_AVR
// alignment isn't needed for 8-bit AVR
#define ARDUINOJSON_ENABLE_ALIGNMENT 0
#else
// but must processor needs pointer to be align on word size
#define ARDUINOJSON_ENABLE_ALIGNMENT 1
#endif
#endif
#else // assume this is a computer
// on a computer we have plenty of memory so we can use doubles
#ifndef ARDUINOJSON_USE_DOUBLE
#define ARDUINOJSON_USE_DOUBLE 1
#endif
// use long long when available
#ifndef ARDUINOJSON_USE_LONG_LONG
#if __cplusplus >= 201103L || (defined(_MSC_VER) && _MSC_VER >= 1800)
#define ARDUINOJSON_USE_LONG_LONG 1
#else
#define ARDUINOJSON_USE_LONG_LONG 0
#endif
#endif
// use _int64 on old versions of Visual Studio
#ifndef ARDUINOJSON_USE_INT64
#if defined(_MSC_VER) && _MSC_VER <= 1700
#define ARDUINOJSON_USE_INT64 1
#else
#define ARDUINOJSON_USE_INT64 0
#endif
#endif
// on a computer, we can assume that the STL is there
#ifndef ARDUINOJSON_ENABLE_STD_STREAM
#define ARDUINOJSON_ENABLE_STD_STREAM 1
#endif
#ifndef ARDUINOJSON_ENABLE_ALIGNMENT
// even if not required, most cpu's are faster with aligned pointers
#define ARDUINOJSON_ENABLE_ALIGNMENT 1
#endif
#endif
#if ARDUINOJSON_USE_LONG_LONG && ARDUINOJSON_USE_INT64
#error ARDUINOJSON_USE_LONG_LONG and ARDUINOJSON_USE_INT64 cannot be set together
#endif

10
include/ArduinoJson/Internals/JsonFloat.hpp
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@ -7,15 +7,15 @@
#pragma once
#include "../Configuration.hpp"
namespace ArduinoJson {
namespace Internals {
#ifdef ARDUINO
// On embedded platform, we with use float instead of double to keep JsonVariant
// small (issue #134)
typedef float JsonFloat;
#else
#if ARDUINOJSON_USE_DOUBLE
typedef double JsonFloat;
#else
typedef float JsonFloat;
#endif
}
}

9
include/ArduinoJson/Internals/JsonInteger.hpp
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@ -7,8 +7,17 @@
#pragma once
#include "../Configuration.hpp"
namespace ArduinoJson {
namespace Internals {
#if ARDUINOJSON_USE_LONG_LONG
typedef long long JsonInteger;
#elif ARDUINOJSON_USE_INT64
typedef __int64 JsonInteger;
#else
typedef long JsonInteger;
#endif
}
}

7
include/ArduinoJson/Internals/JsonPrintable.hpp
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@ -7,6 +7,7 @@
#pragma once
#include "../Configuration.hpp"
#include "DummyPrint.hpp"
#include "IndentedPrint.hpp"
#include "JsonWriter.hpp"
@ -14,7 +15,7 @@
#include "StaticStringBuilder.hpp"
#include "DynamicStringBuilder.hpp"
#ifdef ARDUINOJSON_ENABLE_STD_STREAM
#if ARDUINOJSON_ENABLE_STD_STREAM
#include "StreamPrintAdapter.hpp"
#endif
@ -34,7 +35,7 @@ class JsonPrintable {
return writer.bytesWritten();
}
#ifdef ARDUINOJSON_ENABLE_STD_STREAM
#if ARDUINOJSON_ENABLE_STD_STREAM
std::ostream &printTo(std::ostream &os) const {
StreamPrintAdapter adapter(os);
printTo(adapter);
@ -86,7 +87,7 @@ class JsonPrintable {
const T &downcast() const { return *static_cast<const T *>(this); }
};
#ifdef ARDUINOJSON_ENABLE_STD_STREAM
#if ARDUINOJSON_ENABLE_STD_STREAM
template <typename T>
inline std::ostream &operator<<(std::ostream &os, const JsonPrintable<T> &v) {
return v.printTo(os);

51
include/ArduinoJson/Internals/Parse.hpp Normal file
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@ -0,0 +1,51 @@
// Copyright Benoit Blanchon 2014-2016
// MIT License
//
// Arduino JSON library
// https://github.com/bblanchon/ArduinoJson
// If you like this project, please add a star!
#pragma once
#include <stdlib.h>
namespace ArduinoJson {
namespace Internals {
template <typename TFloat>
TFloat parse(const char *);
template <>
inline float parse<float>(const char *s) {
return static_cast<float>(strtod(s, NULL));
}
template <>
inline double parse<double>(const char *s) {
return strtod(s, NULL);
}
template <>
inline long parse<long>(const char *s) {
return strtol(s, NULL, 10);
}
template <>
inline int parse<int>(const char *s) {
return atoi(s);
}
#if ARDUINOJSON_USE_LONG_LONG
template <>
inline long long parse<long long>(const char *s) {
return strtoll(s, NULL, 10);
}
#endif
#if ARDUINOJSON_USE_INT64
template <>
inline __int64 parse<__int64>(const char *s) {
return _strtoi64(s, NULL, 10);
}
#endif
}
}

6
include/ArduinoJson/Internals/StreamPrintAdapter.hpp
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@ -7,10 +7,14 @@
#pragma once
#ifdef ARDUINOJSON_ENABLE_STD_STREAM
#include "../Configuration.hpp"
#if ARDUINOJSON_ENABLE_STD_STREAM
#include "../Arduino/Print.hpp"
#include <ostream>
namespace ArduinoJson {
namespace Internals {

113
include/ArduinoJson/JsonArray.hpp
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@ -12,6 +12,10 @@
#include "Internals/List.hpp"
#include "Internals/ReferenceType.hpp"
#include "JsonVariant.hpp"
#include "TypeTraits/EnableIf.hpp"
#include "TypeTraits/IsFloatingPoint.hpp"
#include "TypeTraits/IsReference.hpp"
#include "TypeTraits/IsSame.hpp"
// Returns the size (in bytes) of an array with n elements.
// Can be very handy to determine the size of a StaticJsonBuffer.
@ -36,6 +40,15 @@ class JsonArray : public Internals::JsonPrintable<JsonArray>,
public Internals::List<JsonVariant>,
public Internals::JsonBufferAllocated {
public:
// A meta-function that returns true if type T can be used in
// JsonArray::set()
template <typename T>
struct CanSet {
static const bool value = JsonVariant::IsConstructibleFrom<T>::value ||
TypeTraits::IsSame<T, String &>::value ||
TypeTraits::IsSame<T, const String &>::value;
};
// Create an empty JsonArray attached to the specified JsonBuffer.
// You should not call this constructor directly.
// Instead, use JsonBuffer::createArray() or JsonBuffer::parseArray().
@ -49,42 +62,74 @@ class JsonArray : public Internals::JsonPrintable<JsonArray>,
FORCE_INLINE JsonArraySubscript operator[](size_t index);
// Adds the specified value at the end of the array.
FORCE_INLINE bool add(bool value);
FORCE_INLINE bool add(float value, uint8_t decimals = 2);
FORCE_INLINE bool add(double value, uint8_t decimals = 2);
FORCE_INLINE bool add(signed char value);
FORCE_INLINE bool add(signed long value);
FORCE_INLINE bool add(signed int value);
FORCE_INLINE bool add(signed short value);
FORCE_INLINE bool add(unsigned char value);
FORCE_INLINE bool add(unsigned long value);
FORCE_INLINE bool add(unsigned int value);
FORCE_INLINE bool add(unsigned short value);
FORCE_INLINE bool add(const char *value);
FORCE_INLINE bool add(const String &value);
FORCE_INLINE bool add(JsonArray &array);
FORCE_INLINE bool add(JsonObject &object);
//
// bool add(bool);
// bool add(char);
// bool add(long);
// bool add(int);
// bool add(short);
// bool add(float value);
// bool add(double value);
// bool add(const char*);
template <typename T>
FORCE_INLINE bool add(const T &value);
FORCE_INLINE bool add(
T value,
typename TypeTraits::EnableIf<
CanSet<T>::value && !TypeTraits::IsReference<T>::value>::type * = 0) {
return addNode<T>(value);
}
// bool add(const String&)
// bool add(const JsonVariant&);
// bool add(JsonArray&);
// bool add(JsonObject&);
template <typename T>
FORCE_INLINE bool add(
const T &value,
typename TypeTraits::EnableIf<CanSet<T &>::value>::type * = 0) {
return addNode<T &>(const_cast<T &>(value));
}
// bool add(float value, uint8_t decimals);
// bool add(double value, uint8_t decimals);
template <typename T>
FORCE_INLINE bool add(
T value, uint8_t decimals,
typename TypeTraits::EnableIf<TypeTraits::IsFloatingPoint<T>::value>::type
* = 0) {
return addNode<JsonVariant>(JsonVariant(value, decimals));
}
// Sets the value at specified index.
FORCE_INLINE void set(size_t index, bool value);
FORCE_INLINE void set(size_t index, float value, uint8_t decimals = 2);
FORCE_INLINE void set(size_t index, double value, uint8_t decimals = 2);
FORCE_INLINE void set(size_t index, signed char value);
FORCE_INLINE void set(size_t index, signed long value);
FORCE_INLINE void set(size_t index, signed int value);
FORCE_INLINE void set(size_t index, signed short value);
FORCE_INLINE void set(size_t index, unsigned char value);
FORCE_INLINE void set(size_t index, unsigned long value);
FORCE_INLINE void set(size_t index, unsigned int value);
FORCE_INLINE void set(size_t index, unsigned short value);
FORCE_INLINE void set(size_t index, const char *value);
FORCE_INLINE void set(size_t index, const String &value);
FORCE_INLINE void set(size_t index, JsonArray &array);
FORCE_INLINE void set(size_t index, JsonObject &object);
//
// bool set(size_t index, bool value);
// bool set(size_t index, long value);
// bool set(size_t index, int value);
// bool set(size_t index, short value);
template <typename T>
FORCE_INLINE void set(size_t index, const T &value);
FORCE_INLINE bool set(
size_t index, T value,
typename TypeTraits::EnableIf<
CanSet<T>::value && !TypeTraits::IsReference<T>::value>::type * = 0) {
return setNodeAt<T>(index, value);
}
// bool set(size_t index, const String&)
// bool set(size_t index, const JsonVariant&);
// bool set(size_t index, JsonArray&);
// bool set(size_t index, JsonObject&);
template <typename T>
FORCE_INLINE bool set(
size_t index, const T &value,
typename TypeTraits::EnableIf<CanSet<T &>::value>::type * = 0) {
return setNodeAt<T &>(index, const_cast<T &>(value));
}
// bool set(size_t index, float value, uint8_t decimals = 2);
// bool set(size_t index, double value, uint8_t decimals = 2);
template <typename T>
FORCE_INLINE bool set(
size_t index, T value, uint8_t decimals,
typename TypeTraits::EnableIf<TypeTraits::IsFloatingPoint<T>::value>::type
* = 0) {
return setNodeAt<const JsonVariant &>(index, JsonVariant(value, decimals));
}
// Gets the value at the specified index.
FORCE_INLINE JsonVariant get(size_t index) const;
@ -120,13 +165,13 @@ class JsonArray : public Internals::JsonPrintable<JsonArray>,
node_type *getNodeAt(size_t index) const;
template <typename TValue>
void setNodeAt(size_t index, TValue value);
bool setNodeAt(size_t index, TValue value);
template <typename TValue>
bool addNode(TValue);
template <typename T>
FORCE_INLINE void setNodeValue(node_type *, T value);
FORCE_INLINE bool setNodeValue(node_type *, T value);
// The instance returned by JsonArray::invalid()
static JsonArray _invalid;

181
include/ArduinoJson/JsonArray.ipp
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@ -8,6 +8,7 @@
#pragma once
#include "JsonArray.hpp"
#include "JsonObject.hpp"
#include "JsonArraySubscript.hpp"
namespace ArduinoJson {
@ -20,157 +21,30 @@ inline JsonVariant JsonArray::operator[](size_t index) const {
return get(index);
}
inline bool JsonArray::add(bool value) { return addNode<bool>(value); }
inline bool JsonArray::add(float value, uint8_t decimals) {
return addNode<const JsonVariant &>(JsonVariant(value, decimals));
}
inline bool JsonArray::add(double value, uint8_t decimals) {
return addNode<const JsonVariant &>(JsonVariant(value, decimals));
}
inline bool JsonArray::add(signed char value) {
return addNode<signed char>(value);
}
inline bool JsonArray::add(signed long value) {
return addNode<signed long>(value);
}
inline bool JsonArray::add(signed int value) {
return addNode<signed int>(value);
}
inline bool JsonArray::add(signed short value) {
return addNode<signed short>(value);
}
inline bool JsonArray::add(unsigned char value) {
return addNode<unsigned char>(value);
}
inline bool JsonArray::add(unsigned long value) {
return addNode<unsigned long>(value);
}
inline bool JsonArray::add(unsigned int value) {
return addNode<unsigned int>(value);
}
inline bool JsonArray::add(unsigned short value) {
return addNode<unsigned short>(value);
}
inline bool JsonArray::add(const char *value) {
return addNode<const char *>(value);
}
inline bool JsonArray::add(const String &value) {
return addNode<const String &>(value);
}
inline bool JsonArray::add(JsonArray &array) {
return addNode<JsonArray &>(array);
}
inline bool JsonArray::add(JsonObject &object) {
return addNode<JsonObject &>(object);
}
template <typename T>
inline bool JsonArray::add(const T &variant) {
return addNode<const JsonVariant &>(variant);
}
template <typename TValue>
inline bool JsonArray::addNode(TValue value) {
node_type *node = addNewNode();
if (node == NULL) return false;
setNodeValue<TValue>(node, value);
return node != NULL && setNodeValue<TValue>(node, value);
}
template <typename TValue>
inline bool JsonArray::setNodeAt(size_t index, TValue value) {
node_type *node = getNodeAt(index);
return node != NULL && setNodeValue<TValue>(node, value);
}
template <typename TValue>
inline bool JsonArray::setNodeValue(node_type *node, TValue value) {
node->content = value;
return true;
}
inline void JsonArray::set(size_t index, bool value) {
return setNodeAt<bool>(index, value);
}
inline void JsonArray::set(size_t index, float value, uint8_t decimals) {
return setNodeAt<const JsonVariant &>(index, JsonVariant(value, decimals));
}
inline void JsonArray::set(size_t index, double value, uint8_t decimals) {
return setNodeAt<const JsonVariant &>(index, JsonVariant(value, decimals));
}
inline void JsonArray::set(size_t index, signed char value) {
return setNodeAt<signed char>(index, value);
}
inline void JsonArray::set(size_t index, signed long value) {
return setNodeAt<signed long>(index, value);
}
inline void JsonArray::set(size_t index, signed int value) {
return setNodeAt<signed int>(index, value);
}
inline void JsonArray::set(size_t index, signed short value) {
return setNodeAt<signed short>(index, value);
}
inline void JsonArray::set(size_t index, unsigned char value) {
return setNodeAt<unsigned char>(index, value);
}
inline void JsonArray::set(size_t index, unsigned long value) {
return setNodeAt<unsigned long>(index, value);
}
inline void JsonArray::set(size_t index, unsigned int value) {
return setNodeAt<unsigned int>(index, value);
}
inline void JsonArray::set(size_t index, unsigned short value) {
return setNodeAt<unsigned short>(index, value);
}
inline void JsonArray::set(size_t index, const char *value) {
return setNodeAt<const char *>(index, value);
}
inline void JsonArray::set(size_t index, const String &value) {
return setNodeAt<const String &>(index, value);
}
inline void JsonArray::set(size_t index, JsonArray &array) {
return setNodeAt<JsonArray &>(index, array);
}
inline void JsonArray::set(size_t index, JsonObject &object) {
return setNodeAt<JsonObject &>(index, object);
}
template <typename T>
inline void JsonArray::set(size_t index, const T &variant) {
return setNodeAt<const JsonVariant &>(index, variant);
}
template <typename TValue>
inline void JsonArray::setNodeAt(size_t index, TValue value) {
node_type *node = getNodeAt(index);
if (node == NULL) return;
setNodeValue<TValue>(node, value);
}
template <typename TValue>
inline void JsonArray::setNodeValue(node_type *node, TValue value) {
node->content = value;
}
template <>
inline void JsonArray::setNodeValue(node_type *node, const String &value) {
node->content = _buffer->strdup(value);
inline bool JsonArray::setNodeValue(node_type *node, String &value) {
const char *copy = _buffer->strdup(value);
if (!copy) return false;
node->content = copy;
return true;
}
inline JsonVariant JsonArray::get(size_t index) const {
@ -206,15 +80,22 @@ inline JsonArray const &JsonVariant::invalid<JsonArray const &>() {
return JsonArray::invalid();
}
template <>
inline JsonArray &JsonVariant::as<JsonArray &>() const {
inline JsonArray &JsonVariant::asArray() const {
if (_type == Internals::JSON_ARRAY) return *_content.asArray;
return JsonArray::invalid();
}
template <>
inline const JsonArray &JsonVariant::as<const JsonArray &>() const {
if (_type == Internals::JSON_ARRAY) return *_content.asArray;
return JsonArray::invalid();
inline JsonArray &JsonArray::createNestedArray() {
if (!_buffer) return JsonArray::invalid();
JsonArray &array = _buffer->createArray();
add(array);
return array;
}
inline JsonArray &JsonObject::createNestedArray(JsonObjectKey key) {
if (!_buffer) return JsonArray::invalid();
JsonArray &array = _buffer->createArray();
setNodeAt<const JsonVariant &>(key, array);
return array;
}
}

27
include/ArduinoJson/JsonArraySubscript.hpp
View File

@ -7,7 +7,8 @@
#pragma once
#include "JsonSubscriptBase.hpp"
#include "Configuration.hpp"
#include "JsonVariantBase.hpp"
#ifdef _MSC_VER
#pragma warning(push)
@ -15,20 +16,30 @@
#endif
namespace ArduinoJson {
class JsonArraySubscript : public JsonSubscriptBase<JsonArraySubscript> {
class JsonArraySubscript : public JsonVariantBase<JsonArraySubscript> {
public:
FORCE_INLINE JsonArraySubscript(JsonArray& array, size_t index)
: _array(array), _index(index) {}
using JsonSubscriptBase<JsonArraySubscript>::operator=;
JsonArraySubscript& operator=(const JsonArraySubscript& src) {
return assign<const JsonVariant&>(src);
_array.set<const JsonVariant&>(_index, src);
return *this;
}
template <typename T>
JsonArraySubscript& operator=(const T& src) {
return assign<const JsonVariant&>(src);
typename TypeTraits::EnableIf<JsonArray::CanSet<T&>::value,
JsonArraySubscript>::type&
operator=(const T& src) {
_array.set<T&>(_index, const_cast<T&>(src));
return *this;
}
template <typename T>
typename TypeTraits::EnableIf<JsonArray::CanSet<T>::value,
JsonArraySubscript>::type&
operator=(T src) {
_array.set<T>(_index, src);
return *this;
}
FORCE_INLINE bool success() const { return _index < _array.size(); }
@ -59,7 +70,7 @@ class JsonArraySubscript : public JsonSubscriptBase<JsonArraySubscript> {
const size_t _index;
};
#ifdef ARDUINOJSON_ENABLE_STD_STREAM
#if ARDUINOJSON_ENABLE_STD_STREAM
inline std::ostream& operator<<(std::ostream& os,
const JsonArraySubscript& source) {
return source.printTo(os);

7
include/ArduinoJson/JsonBuffer.hpp
View File

@ -107,12 +107,11 @@ class JsonBuffer {
protected:
// Preserve aligment if nessary
static FORCE_INLINE size_t round_size_up(size_t bytes) {
#if defined ARDUINO_ARCH_AVR
// alignment isn't needed for 8-bit AVR
return bytes;
#else
#if ARDUINOJSON_ENABLE_ALIGNMENT
const size_t x = sizeof(void *) - 1;
return (bytes + x) & ~x;
#else
return bytes;
#endif
}

105
include/ArduinoJson/JsonObject.hpp
View File

@ -13,6 +13,10 @@
#include "Internals/List.hpp"
#include "Internals/ReferenceType.hpp"
#include "JsonPair.hpp"
#include "TypeTraits/EnableIf.hpp"
#include "TypeTraits/IsFloatingPoint.hpp"
#include "TypeTraits/IsReference.hpp"
#include "TypeTraits/IsSame.hpp"
// Returns the size (in bytes) of an object with n elements.
// Can be very handy to determine the size of a StaticJsonBuffer.
@ -36,6 +40,15 @@ class JsonObject : public Internals::JsonPrintable<JsonObject>,
public Internals::List<JsonPair>,
public Internals::JsonBufferAllocated {
public:
// A meta-function that returns true if type T can be used in
// JsonObject::set()
template <typename T>
struct CanSet {
static const bool value = JsonVariant::IsConstructibleFrom<T>::value ||
TypeTraits::IsSame<T, String&>::value ||
TypeTraits::IsSame<T, const String&>::value;
};
// Create an empty JsonArray attached to the specified JsonBuffer.
// You should not use this constructor directly.
// Instead, use JsonBuffer::createObject() or JsonBuffer.parseObject().
@ -50,43 +63,40 @@ class JsonObject : public Internals::JsonPrintable<JsonObject>,
FORCE_INLINE JsonVariant operator[](JsonObjectKey key) const;
// Sets the specified key with the specified value.
FORCE_INLINE bool set(const char* key, bool value);
FORCE_INLINE bool set(const char* key, float value, uint8_t decimals = 2);
FORCE_INLINE bool set(const char* key, double value, uint8_t decimals = 2);
FORCE_INLINE bool set(const char* key, signed char value);
FORCE_INLINE bool set(const char* key, signed long value);
FORCE_INLINE bool set(const char* key, signed int value);
FORCE_INLINE bool set(const char* key, signed short value);
FORCE_INLINE bool set(const char* key, unsigned char value);
FORCE_INLINE bool set(const char* key, unsigned long value);
FORCE_INLINE bool set(const char* key, unsigned int value);
FORCE_INLINE bool set(const char* key, unsigned short value);
FORCE_INLINE bool set(const char* key, const char* value);
FORCE_INLINE bool set(const char* key, const String& value);
FORCE_INLINE bool set(const char* key, JsonArray& array);
FORCE_INLINE bool set(const char* key, JsonObject& object);
FORCE_INLINE bool set(const char* key, const JsonVariant& value);
// bool set(TKey key, bool value);
// bool set(TKey key, char value);
// bool set(TKey key, long value);
// bool set(TKey key, int value);
// bool set(TKey key, short value);
// bool set(TKey key, float value);
// bool set(TKey key, double value);
// bool set(TKey key, const char* value);
template <typename T>
FORCE_INLINE bool set(const char* key, const T& value);
FORCE_INLINE bool set(const String& key, bool value);
FORCE_INLINE bool set(const String& key, float value, uint8_t decimals = 2);
FORCE_INLINE bool set(const String& key, double value, uint8_t decimals = 2);
FORCE_INLINE bool set(const String& key, signed char value);
FORCE_INLINE bool set(const String& key, signed long value);
FORCE_INLINE bool set(const String& key, signed int value);
FORCE_INLINE bool set(const String& key, signed short value);
FORCE_INLINE bool set(const String& key, unsigned char value);
FORCE_INLINE bool set(const String& key, unsigned long value);
FORCE_INLINE bool set(const String& key, unsigned int value);
FORCE_INLINE bool set(const String& key, unsigned short value);
FORCE_INLINE bool set(const String& key, const char* value);
FORCE_INLINE bool set(const String& key, const String& value);
FORCE_INLINE bool set(const String& key, JsonArray& array);
FORCE_INLINE bool set(const String& key, JsonObject& object);
FORCE_INLINE bool set(const String& key, const JsonVariant& value);
FORCE_INLINE bool set(
JsonObjectKey key, T value,
typename TypeTraits::EnableIf<
CanSet<T>::value && !TypeTraits::IsReference<T>::value>::type* = 0) {
return setNodeAt<T>(key, value);
}
// bool set(Key, String&);
// bool set(Key, JsonArray&);
// bool set(Key, JsonObject&);
// bool set(Key, JsonVariant&);
template <typename T>
FORCE_INLINE bool set(const String& key, const T& value);
FORCE_INLINE bool set(
JsonObjectKey key, const T& value,
typename TypeTraits::EnableIf<CanSet<T&>::value>::type* = 0) {
return setNodeAt<T&>(key, const_cast<T&>(value));
}
// bool set(Key, float value, uint8_t decimals);
// bool set(Key, double value, uint8_t decimals);
template <typename TValue>
FORCE_INLINE bool set(
JsonObjectKey key, TValue value, uint8_t decimals,
typename TypeTraits::EnableIf<
TypeTraits::IsFloatingPoint<TValue>::value>::type* = 0) {
return setNodeAt<const JsonVariant&>(key, JsonVariant(value, decimals));
}
// Gets the value associated with the specified key.
FORCE_INLINE JsonVariant get(JsonObjectKey) const;
@ -101,13 +111,11 @@ class JsonObject : public Internals::JsonPrintable<JsonObject>,
// Creates and adds a JsonArray.
// This is a shortcut for JsonBuffer::createArray() and JsonObject::add().
FORCE_INLINE JsonArray& createNestedArray(const char* key);
FORCE_INLINE JsonArray& createNestedArray(const String& key);
FORCE_INLINE JsonArray& createNestedArray(JsonObjectKey key);
// Creates and adds a JsonObject.
// This is a shortcut for JsonBuffer::createObject() and JsonObject::add().
FORCE_INLINE JsonObject& createNestedObject(const char* key);
FORCE_INLINE JsonObject& createNestedObject(const String& key);
FORCE_INLINE JsonObject& createNestedObject(JsonObjectKey key);
// Tells weither the specified key is present and associated with a value.
FORCE_INLINE bool containsKey(JsonObjectKey key) const;
@ -125,24 +133,17 @@ class JsonObject : public Internals::JsonPrintable<JsonObject>,
private:
// Returns the list node that matches the specified key.
node_type* getNodeAt(JsonObjectKey key) const;
node_type* getNodeAt(const char* key) const;
node_type* getOrCreateNodeAt(JsonObjectKey key);
template <typename TKey, typename TValue>
FORCE_INLINE bool setNodeAt(TKey key, TValue value);
template <typename TKey>
JsonArray& createArrayAt(TKey key);
template <typename TKey>
JsonObject& createObjectAt(TKey key);
node_type* getOrCreateNodeAt(const char* key);
template <typename T>
FORCE_INLINE void setNodeKey(node_type*, T key);
FORCE_INLINE bool setNodeAt(JsonObjectKey key, T value);
FORCE_INLINE bool setNodeKey(node_type*, JsonObjectKey key);
template <typename T>
FORCE_INLINE void setNodeValue(node_type*, T value);
FORCE_INLINE bool setNodeValue(node_type*, T value);
// The instance returned by JsonObject::invalid()
static JsonObject _invalid;

199
include/ArduinoJson/JsonObject.ipp
View File

@ -7,25 +7,26 @@
#pragma once
#include "JsonArray.hpp"
#include "JsonObject.hpp"
#include "JsonObjectSubscript.hpp"
namespace ArduinoJson {
inline JsonVariant JsonObject::get(JsonObjectKey key) const {
node_type *node = getNodeAt(key);
node_type *node = getNodeAt(key.c_str());
return node ? node->content.value : JsonVariant();
}
template <typename T>
inline T JsonObject::get(JsonObjectKey key) const {
node_type *node = getNodeAt(key);
node_type *node = getNodeAt(key.c_str());
return node ? node->content.value.as<T>() : JsonVariant::invalid<T>();
}
template <typename T>
inline bool JsonObject::is(JsonObjectKey key) const {
node_type *node = getNodeAt(key);
node_type *node = getNodeAt(key.c_str());
return node ? node->content.value.is<T>() : false;
}
@ -44,165 +45,46 @@ inline JsonVariant JsonObject::operator[](JsonObjectKey key) const {
}
inline bool JsonObject::containsKey(JsonObjectKey key) const {
return getNodeAt(key) != NULL;
}
inline JsonArray &JsonObject::createNestedArray(const char *key) {
return createArrayAt<const char *>(key);
}
inline JsonArray &JsonObject::createNestedArray(const String &key) {
return createArrayAt<const String &>(key);
}
inline JsonObject &JsonObject::createNestedObject(const char *key) {
return createObjectAt<const char *>(key);
}
inline JsonObject &JsonObject::createNestedObject(const String &key) {
return createObjectAt<const String &>(key);
return getNodeAt(key.c_str()) != NULL;
}
inline void JsonObject::remove(JsonObjectKey key) {
removeNode(getNodeAt(key));
removeNode(getNodeAt(key.c_str()));
}
inline bool JsonObject::set(const char *key, bool value) {
return setNodeAt<const char *, bool>(key, value);
}
inline bool JsonObject::set(const char *key, float value, uint8_t decimals) {
return setNodeAt<const char *, const JsonVariant &>(
key, JsonVariant(value, decimals));
}
inline bool JsonObject::set(const char *key, double value, uint8_t decimals) {
return setNodeAt<const char *, const JsonVariant &>(
key, JsonVariant(value, decimals));
}
inline bool JsonObject::set(const char *key, signed char value) {
return setNodeAt<const char *, signed char>(key, value);
}
inline bool JsonObject::set(const char *key, signed long value) {
return setNodeAt<const char *, signed long>(key, value);
}
inline bool JsonObject::set(const char *key, signed int value) {
return setNodeAt<const char *, signed int>(key, value);
}
inline bool JsonObject::set(const char *key, signed short value) {
return setNodeAt<const char *, signed short>(key, value);
}
inline bool JsonObject::set(const char *key, unsigned char value) {
return setNodeAt<const char *, unsigned char>(key, value);
}
inline bool JsonObject::set(const char *key, unsigned long value) {
return setNodeAt<const char *, unsigned long>(key, value);
}
inline bool JsonObject::set(const char *key, unsigned int value) {
return setNodeAt<const char *, unsigned int>(key, value);
}
inline bool JsonObject::set(const char *key, unsigned short value) {
return setNodeAt<const char *, unsigned short>(key, value);
}
inline bool JsonObject::set(const char *key, const char *value) {
return setNodeAt<const char *, const char *>(key, value);
}
inline bool JsonObject::set(const char *key, const String &value) {
return setNodeAt<const char *, const String &>(key, value);
}
inline bool JsonObject::set(const char *key, JsonArray &array) {
return setNodeAt<const char *, JsonArray &>(key, array);
}
inline bool JsonObject::set(const char *key, JsonObject &object) {
return setNodeAt<const char *, JsonObject &>(key, object);
}
inline bool JsonObject::set(const char *key, const JsonVariant &value) {
return setNodeAt<const char *, const JsonVariant &>(key, value);
}
template <typename T>
inline bool JsonObject::set(const char *key, const T &value) {
return setNodeAt<const char *, JsonVariant>(key, value);
}
inline bool JsonObject::set(const String &key, bool value) {
return setNodeAt<const String &, bool>(key, value);
}
inline bool JsonObject::set(const String &key, float value, uint8_t decimals) {
return setNodeAt<const String &, const JsonVariant &>(
key, JsonVariant(value, decimals));
}
inline bool JsonObject::set(const String &key, double value, uint8_t decimals) {
return setNodeAt<const String &, const JsonVariant &>(
key, JsonVariant(value, decimals));
}
inline bool JsonObject::set(const String &key, signed char value) {
return setNodeAt<const String &, signed char>(key, value);
}
inline bool JsonObject::set(const String &key, signed long value) {
return setNodeAt<const String &, signed long>(key, value);
}
inline bool JsonObject::set(const String &key, signed int value) {
return setNodeAt<const String &, signed int>(key, value);
}
inline bool JsonObject::set(const String &key, signed short value) {
return setNodeAt<const String &, signed short>(key, value);
}
inline bool JsonObject::set(const String &key, unsigned char value) {
return setNodeAt<const String &, unsigned char>(key, value);
}
inline bool JsonObject::set(const String &key, unsigned long value) {
return setNodeAt<const String &, unsigned long>(key, value);
}
inline bool JsonObject::set(const String &key, unsigned int value) {
return setNodeAt<const String &, unsigned int>(key, value);
}
inline bool JsonObject::set(const String &key, unsigned short value) {
return setNodeAt<const String &, unsigned short>(key, value);
}
inline bool JsonObject::set(const String &key, const char *value) {
return setNodeAt<const String &, const char *>(key, value);
}
inline bool JsonObject::set(const String &key, const String &value) {
return setNodeAt<const String &, const String &>(key, value);
}
inline bool JsonObject::set(const String &key, JsonArray &array) {
return setNodeAt<const String &, JsonArray &>(key, array);
}
inline bool JsonObject::set(const String &key, JsonObject &object) {
return setNodeAt<const String &, JsonObject &>(key, object);
}
inline bool JsonObject::set(const String &key, const JsonVariant &value) {
return setNodeAt<const String &, const JsonVariant &>(key, value);
}
template <typename T>
inline bool JsonObject::set(const String &key, const T &value) {
return setNodeAt<const String &, JsonVariant>(key, value);
inline bool JsonObject::setNodeAt(JsonObjectKey key, T value) {
node_type *node = getNodeAt(key.c_str());
if (!node) node = addNewNode();
return node && setNodeKey(node, key) && setNodeValue<T>(node, value);
}
template <typename TKey, typename TValue>
inline bool JsonObject::setNodeAt(TKey key, TValue value) {
node_type *node = getOrCreateNodeAt(key);
if (!node) return false;
setNodeKey<TKey>(node, key);
setNodeValue<TValue>(node, value);
inline bool JsonObject::setNodeKey(node_type *node, JsonObjectKey key) {
if (key.needs_copy()) {
node->content.key = _buffer->strdup(key.c_str());
if (node->content.key == NULL) return false;
} else {
node->content.key = key.c_str();
}
return true;
}
template <typename TValue>
inline bool JsonObject::setNodeValue(node_type *node, TValue value) {
node->content.value = value;
return true;
}
template <>
inline void JsonObject::setNodeKey(node_type *node, const char *key) {
node->content.key = key;
}
template <>
inline void JsonObject::setNodeKey(node_type *node, const String &key) {
node->content.key = _buffer->strdup(key);
}
template <typename TValue>
inline void JsonObject::setNodeValue(node_type *node, TValue value) {
node->content.value = value;
}
template <>
inline void JsonObject::setNodeValue(node_type *node, const String &value) {
inline bool JsonObject::setNodeValue(node_type *node, String &value) {
node->content.value = _buffer->strdup(value);
return node->content.value;
}
template <>
inline bool JsonObject::setNodeValue(node_type *node, const String &value) {
node->content.value = _buffer->strdup(value);
return node->content.value;
}
template <typename TImplem>
@ -227,15 +109,22 @@ inline JsonObject &JsonVariant::invalid<JsonObject &>() {
return JsonObject::invalid();
}
template <>
inline JsonObject &JsonVariant::as<JsonObject &>() const {
inline JsonObject &JsonVariant::asObject() const {
if (_type == Internals::JSON_OBJECT) return *_content.asObject;
return JsonObject::invalid();
}
template <>
inline const JsonObject &JsonVariant::as<const JsonObject &>() const {
if (_type == Internals::JSON_OBJECT) return *_content.asObject;
return JsonObject::invalid();
inline JsonObject &JsonObject::createNestedObject(JsonObjectKey key) {
if (!_buffer) return JsonObject::invalid();
JsonObject &array = _buffer->createObject();
setNodeAt<const JsonVariant &>(key, array);
return array;
}
inline JsonObject &JsonArray::createNestedObject() {
if (!_buffer) return JsonObject::invalid();
JsonObject &object = _buffer->createObject();
add(object);
return object;
}
}

12
include/ArduinoJson/JsonObjectKey.hpp
View File

@ -11,15 +11,17 @@
namespace ArduinoJson {
// Represents a key in a JsonObject
class JsonObjectKey {
public:
JsonObjectKey() {}
JsonObjectKey(const char* key) : _data(key) {}
JsonObjectKey(const String& key) : _data(key.c_str()) {}
JsonObjectKey(const char* key) : _value(key), _needs_copy(false) {}
JsonObjectKey(const String& key) : _value(key.c_str()), _needs_copy(true) {}
operator const char*() const { return _data; }
const char* c_str() const { return _value; }
bool needs_copy() const { return _needs_copy; }
private:
const char* _data;
const char* _value;
bool _needs_copy;
};
}

34
include/ArduinoJson/JsonObjectSubscript.hpp
View File

@ -7,7 +7,9 @@
#pragma once
#include "JsonSubscriptBase.hpp"
#include "Configuration.hpp"
#include "JsonVariantBase.hpp"
#include "TypeTraits/EnableIf.hpp"
#ifdef _MSC_VER
#pragma warning(push)
@ -17,23 +19,30 @@
namespace ArduinoJson {
template <typename TKey>
class JsonObjectSubscript
: public JsonSubscriptBase<JsonObjectSubscript<TKey> > {
class JsonObjectSubscript : public JsonVariantBase<JsonObjectSubscript<TKey> > {
public:
FORCE_INLINE JsonObjectSubscript(JsonObject& object, TKey key)
: _object(object), _key(key) {}
using JsonSubscriptBase<JsonObjectSubscript<TKey> >::operator=;
JsonObjectSubscript<TKey>& operator=(const JsonObjectSubscript<TKey>& src) {
return JsonSubscriptBase<JsonObjectSubscript<TKey> >::template assign<
JsonVariant>(src);
_object.set<const JsonVariant&>(_key, src);
return *this;
}
template <typename T>
JsonObjectSubscript<TKey>& operator=(const T& src) {
return JsonSubscriptBase<JsonObjectSubscript<TKey> >::template assign<
JsonVariant>(src);
typename TypeTraits::EnableIf<JsonObject::CanSet<T&>::value,
JsonObjectSubscript<TKey> >::type&
operator=(const T& src) {
_object.set<T&>(_key, const_cast<T&>(src));
return *this;
}
template <typename T>
typename TypeTraits::EnableIf<JsonObject::CanSet<T>::value,
JsonObjectSubscript<TKey> >::type&
operator=(T src) {
_object.set<T>(_key, src);
return *this;
}
FORCE_INLINE bool success() const { return _object.containsKey(_key); }
@ -52,7 +61,7 @@ class JsonObjectSubscript
template <typename TValue>
FORCE_INLINE bool set(TValue value) {
return _object.set(_key, value);
return _object.set<TValue>(_key, value);
}
template <typename TValue>
@ -71,7 +80,7 @@ class JsonObjectSubscript
TKey _key;
};
#ifdef ARDUINOJSON_ENABLE_STD_STREAM
#if ARDUINOJSON_ENABLE_STD_STREAM
inline std::ostream& operator<<(
std::ostream& os, const JsonObjectSubscript<const String&>& source) {
return source.printTo(os);
@ -82,6 +91,7 @@ inline std::ostream& operator<<(
return source.printTo(os);
}
#endif
} // namespace ArduinoJson
#ifdef _MSC_VER

2
include/ArduinoJson/JsonPair.hpp
View File

@ -14,7 +14,7 @@ namespace ArduinoJson {
// A key value pair for JsonObject.
struct JsonPair {
JsonObjectKey key;
const char* key;
JsonVariant value;
};
}

83
include/ArduinoJson/JsonSubscriptBase.hpp
View File

@ -1,83 +0,0 @@
// Copyright Benoit Blanchon 2014-2016
// MIT License
//
// Arduino JSON library
// https://github.com/bblanchon/ArduinoJson
// If you like this project, please add a star!
#pragma once
#include "JsonVariantBase.hpp"
namespace ArduinoJson {
template <typename TImpl>
class JsonSubscriptBase : public JsonVariantBase<TImpl> {
public:
FORCE_INLINE TImpl& operator=(bool value) { return assign<bool>(value); }
FORCE_INLINE TImpl& operator=(float value) { return assign<float>(value); }
FORCE_INLINE TImpl& operator=(double value) { return assign<double>(value); }
FORCE_INLINE TImpl& operator=(signed char value) {
return assign<signed char>(value);
}
FORCE_INLINE TImpl& operator=(signed long value) {
return assign<signed long>(value);
}
FORCE_INLINE TImpl& operator=(signed int value) {
return assign<signed int>(value);
}
FORCE_INLINE TImpl& operator=(signed short value) {
return assign<signed short>(value);
}
FORCE_INLINE TImpl& operator=(unsigned char value) {
return assign<unsigned char>(value);
}
FORCE_INLINE TImpl& operator=(unsigned long value) {
return assign<unsigned long>(value);
}
FORCE_INLINE TImpl& operator=(unsigned int value) {
return assign<unsigned int>(value);
}
FORCE_INLINE TImpl& operator=(unsigned short value) {
return assign<unsigned short>(value);
}
FORCE_INLINE TImpl& operator=(const char* value) {
return assign<const char*>(value);
}
FORCE_INLINE TImpl& operator=(const String& value) {
return assign<const String&>(value);
}
FORCE_INLINE TImpl& operator=(JsonArray& array) {
return assign<JsonArray&>(array);
}
FORCE_INLINE TImpl& operator=(JsonObject& object) {
return assign<JsonObject&>(object);
}
FORCE_INLINE TImpl& operator=(JsonVariant value) {
return assign<const JsonVariant&>(value);
}
protected:
template <typename TValue>
FORCE_INLINE TImpl& assign(TValue value) {
TImpl* that = static_cast<TImpl*>(this);
that->template set<TValue>(value);
return *that;
}
};
}

134
include/ArduinoJson/JsonVariant.hpp
View File

@ -15,6 +15,12 @@
#include "Internals/JsonVariantType.hpp"
#include "Internals/Unparsed.hpp"
#include "JsonVariantBase.hpp"
#include "TypeTraits/EnableIf.hpp"
#include "TypeTraits/IsFloatingPoint.hpp"
#include "TypeTraits/IsIntegral.hpp"
#include "TypeTraits/IsSame.hpp"
#include "TypeTraits/RemoveConst.hpp"
#include "TypeTraits/RemoveReference.hpp"
namespace ArduinoJson {
@ -31,6 +37,9 @@ class JsonObject;
// - a reference to a JsonArray or JsonObject
class JsonVariant : public JsonVariantBase<JsonVariant> {
public:
template <typename T>
struct IsConstructibleFrom;
// Creates an uninitialized JsonVariant
FORCE_INLINE JsonVariant() : _type(Internals::JSON_UNDEFINED) {}
@ -41,18 +50,31 @@ class JsonVariant : public JsonVariantBase<JsonVariant> {
// Create a JsonVariant containing a floating point value.
// The second argument specifies the number of decimal digits to write in
// the JSON string.
FORCE_INLINE JsonVariant(float value, uint8_t decimals = 2);
FORCE_INLINE JsonVariant(double value, uint8_t decimals = 2);
// JsonVariant(double value, uint8_t decimals);
// JsonVariant(float value, uint8_t decimals);
template <typename T>
FORCE_INLINE JsonVariant(
T value, uint8_t decimals = 2,
typename TypeTraits::EnableIf<TypeTraits::IsFloatingPoint<T>::value>::type
* = 0) {
using namespace Internals;
_type = static_cast<JsonVariantType>(JSON_FLOAT_0_DECIMALS + decimals);
_content.asFloat = static_cast<JsonFloat>(value);
}
// Create a JsonVariant containing an integer value.
FORCE_INLINE JsonVariant(signed char value);
FORCE_INLINE JsonVariant(signed long value);
FORCE_INLINE JsonVariant(signed int value);
FORCE_INLINE JsonVariant(signed short value);
FORCE_INLINE JsonVariant(unsigned char value);
FORCE_INLINE JsonVariant(unsigned long value);
FORCE_INLINE JsonVariant(unsigned int value);
FORCE_INLINE JsonVariant(unsigned short value);
// JsonVariant(short)
// JsonVariant(int)
// JsonVariant(long)
template <typename T>
FORCE_INLINE JsonVariant(
T value,
typename TypeTraits::EnableIf<TypeTraits::IsIntegral<T>::value>::type * =
0) {
using namespace Internals;
_type = JSON_INTEGER;
_content.asInteger = static_cast<JsonInteger>(value);
}
// Create a JsonVariant containing a string.
FORCE_INLINE JsonVariant(const char *value);
@ -67,9 +89,70 @@ class JsonVariant : public JsonVariantBase<JsonVariant> {
FORCE_INLINE JsonVariant(JsonObject &object);
// Get the variant as the specified type.
// See cast operators for details.
// short as<short>() const;
// int as<int>() const;
// long as<long>() const;
template <typename T>
T as() const;
const typename TypeTraits::EnableIf<TypeTraits::IsIntegral<T>::value, T>::type
as() const {
return static_cast<T>(asInteger());
}
// double as<double>() const;
// float as<float>() const;
template <typename T>
const typename TypeTraits::EnableIf<TypeTraits::IsFloatingPoint<T>::value,
T>::type
as() const {
return static_cast<T>(asFloat());
}
// const String as<String>() const;
template <typename T>
const typename TypeTraits::EnableIf<TypeTraits::IsSame<T, String>::value,
T>::type
as() const {
return toString();
}
// const char* as<const char*>() const;
// const char* as<char*>() const;
template <typename T>
typename TypeTraits::EnableIf<TypeTraits::IsSame<T, const char *>::value,
const char *>::type
as() const {
return asString();
}
// const bool as<bool>() const
template <typename T>
const typename TypeTraits::EnableIf<TypeTraits::IsSame<T, bool>::value,
T>::type
as() const {
return asInteger() != 0;
}
// JsonArray& as<JsonArray> const;
// JsonArray& as<JsonArray&> const;
// JsonArray& as<const JsonArray&> const;
template <typename T>
typename TypeTraits::EnableIf<
TypeTraits::IsSame<
typename TypeTraits::RemoveConst<
typename TypeTraits::RemoveReference<T>::type>::type,
JsonArray>::value,
JsonArray &>::type
as() const {
return asArray();
}
// JsonObject& as<JsonObject> const;
// JsonObject& as<JsonObject&> const;
// JsonObject& as<const JsonObject&> const;
template <typename T>
typename TypeTraits::EnableIf<
TypeTraits::IsSame<
typename TypeTraits::RemoveConst<
typename TypeTraits::RemoveReference<T>::type>::type,
JsonObject>::value,
JsonObject &>::type
as() const {
return asObject();
}
// Tells weither the variant has the specified type.
// Returns true if the variant has type type T, false otherwise.
@ -83,7 +166,12 @@ class JsonVariant : public JsonVariantBase<JsonVariant> {
template <typename T>
static T invalid();
const char *asString() const;
JsonArray &asArray() const;
JsonObject &asObject() const;
private:
String toString() const;
Internals::JsonFloat asFloat() const;
Internals::JsonInteger asInteger() const;
@ -101,6 +189,28 @@ inline JsonVariant float_with_n_digits(float value, uint8_t digits) {
inline JsonVariant double_with_n_digits(double value, uint8_t digits) {
return JsonVariant(value, digits);
}
template <typename T>
struct JsonVariant::IsConstructibleFrom {
static const bool value =
TypeTraits::IsIntegral<T>::value ||
TypeTraits::IsFloatingPoint<T>::value ||
TypeTraits::IsSame<T, bool>::value ||
TypeTraits::IsSame<T, char *>::value ||
TypeTraits::IsSame<T, const char *>::value ||
TypeTraits::IsSame<T, JsonArray &>::value ||
TypeTraits::IsSame<T, const JsonArray &>::value ||
TypeTraits::IsSame<T, JsonArraySubscript &>::value ||
TypeTraits::IsSame<T, const JsonArraySubscript &>::value ||
TypeTraits::IsSame<T, JsonObject &>::value ||
TypeTraits::IsSame<T, const JsonObject &>::value ||
TypeTraits::IsSame<T, JsonObjectSubscript<const char *> &>::value ||
TypeTraits::IsSame<T, const JsonObjectSubscript<const char *> &>::value ||
TypeTraits::IsSame<T, JsonObjectSubscript<String> &>::value ||
TypeTraits::IsSame<T, const JsonObjectSubscript<String> &>::value ||
TypeTraits::IsSame<T, JsonVariant &>::value ||
TypeTraits::IsSame<T, const JsonVariant &>::value;
};
}
// Include inline implementations

143
include/ArduinoJson/JsonVariant.ipp
View File

@ -7,7 +7,11 @@
#pragma once
#include "Configuration.hpp"
#include "JsonVariant.hpp"
#include "Internals/Parse.hpp"
#include <string.h>
namespace ArduinoJson {
@ -27,18 +31,6 @@ inline JsonVariant::JsonVariant(Internals::Unparsed value) {
_content.asString = value;
}
inline JsonVariant::JsonVariant(double value, uint8_t decimals) {
using namespace Internals;
_type = static_cast<JsonVariantType>(JSON_FLOAT_0_DECIMALS + decimals);
_content.asFloat = static_cast<JsonFloat>(value);
}
inline JsonVariant::JsonVariant(float value, uint8_t decimals) {
using namespace Internals;
_type = static_cast<JsonVariantType>(JSON_FLOAT_0_DECIMALS + decimals);
_content.asFloat = static_cast<JsonFloat>(value);
}
inline JsonVariant::JsonVariant(JsonArray &array) {
_type = Internals::JSON_ARRAY;
_content.asArray = &array;
@ -49,115 +41,6 @@ inline JsonVariant::JsonVariant(JsonObject &object) {
_content.asObject = &object;
}
inline JsonVariant::JsonVariant(signed char value) {
using namespace Internals;
_type = JSON_INTEGER;
_content.asInteger = static_cast<JsonInteger>(value);
}
inline JsonVariant::JsonVariant(signed int value) {
using namespace Internals;
_type = JSON_INTEGER;
_content.asInteger = static_cast<JsonInteger>(value);
}
inline JsonVariant::JsonVariant(signed long value) {
using namespace Internals;
_type = JSON_INTEGER;
_content.asInteger = static_cast<JsonInteger>(value);
}
inline JsonVariant::JsonVariant(signed short value) {
using namespace Internals;
_type = JSON_INTEGER;
_content.asInteger = static_cast<JsonInteger>(value);
}
inline JsonVariant::JsonVariant(unsigned char value) {
using namespace Internals;
_type = JSON_INTEGER;
_content.asInteger = static_cast<JsonInteger>(value);
}
inline JsonVariant::JsonVariant(unsigned int value) {
using namespace Internals;
_type = JSON_INTEGER;
_content.asInteger = static_cast<JsonInteger>(value);
}
inline JsonVariant::JsonVariant(unsigned long value) {
using namespace Internals;
_type = JSON_INTEGER;
_content.asInteger = static_cast<JsonInteger>(value);
}
inline JsonVariant::JsonVariant(unsigned short value) {
using namespace Internals;
_type = JSON_INTEGER;
_content.asInteger = static_cast<JsonInteger>(value);
}
template <>
String JsonVariant::as<String>() const;
template <>
const char *JsonVariant::as<const char *>() const;
template <>
inline bool JsonVariant::as<bool>() const {
return asInteger() != 0;
}
template <>
inline signed char JsonVariant::as<signed char>() const {
return static_cast<signed char>(asInteger());
}
template <>
inline unsigned char JsonVariant::as<unsigned char>() const {
return static_cast<unsigned char>(asInteger());
}
template <>
inline signed short JsonVariant::as<signed short>() const {
return static_cast<signed short>(asInteger());
}
template <>
inline unsigned short JsonVariant::as<unsigned short>() const {
return static_cast<unsigned short>(asInteger());
}
template <>
inline signed int JsonVariant::as<signed int>() const {
return static_cast<signed int>(asInteger());
}
template <>
inline unsigned int JsonVariant::as<unsigned int>() const {
return static_cast<unsigned int>(asInteger());
}
template <>
inline unsigned long JsonVariant::as<unsigned long>() const {
return static_cast<unsigned long>(asInteger());
}
template <>
inline signed long JsonVariant::as<signed long>() const {
return static_cast<unsigned long>(asInteger());
}
template <>
inline double JsonVariant::as<double>() const {
return static_cast<double>(asFloat());
}
template <>
inline float JsonVariant::as<float>() const {
return static_cast<float>(asFloat());
}
template <typename T>
inline T JsonVariant::invalid() {
return T();
@ -242,7 +125,23 @@ inline bool JsonVariant::is<unsigned short>() const {
return is<signed long>();
}
#ifdef ARDUINOJSON_ENABLE_STD_STREAM
inline Internals::JsonInteger JsonVariant::asInteger() const {
if (_type == Internals::JSON_INTEGER || _type == Internals::JSON_BOOLEAN)
return _content.asInteger;
if (_type >= Internals::JSON_FLOAT_0_DECIMALS)
return static_cast<Internals::JsonInteger>(_content.asFloat);
if ((_type == Internals::JSON_STRING || _type == Internals::JSON_UNPARSED) &&
_content.asString) {
if (!strcmp("true", _content.asString)) return 1;
return Internals::parse<Internals::JsonInteger>(_content.asString);
}
return 0L;
}
#if ARDUINOJSON_ENABLE_STD_STREAM
inline std::ostream &operator<<(std::ostream &os, const JsonVariant &source) {
return source.printTo(os);
}

29
include/ArduinoJson/JsonVariantBase.hpp
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@ -20,31 +20,7 @@ class JsonObjectSubscript;
template <typename TImpl>
class JsonVariantBase : public Internals::JsonPrintable<TImpl> {
public:
// Gets the variant as a boolean value.
// Returns false if the variant is not a boolean value.
FORCE_INLINE operator bool() const { return as<bool>(); }
// Gets the variant as a floating-point value.
// Returns 0.0 if the variant is not a floating-point value
FORCE_INLINE operator double() const { return as<double>(); }
FORCE_INLINE operator float() const { return as<float>(); }
// Gets the variant as an integer value.
// Returns 0 if the variant is not an integer value.
FORCE_INLINE operator signed long() const { return as<signed long>(); }
FORCE_INLINE operator signed char() const { return as<signed char>(); }
FORCE_INLINE operator signed int() const { return as<signed int>(); }
FORCE_INLINE operator signed short() const { return as<signed short>(); }
FORCE_INLINE operator unsigned char() const { return as<unsigned char>(); }
FORCE_INLINE operator unsigned int() const { return as<unsigned int>(); }
FORCE_INLINE operator unsigned long() const { return as<unsigned long>(); }
FORCE_INLINE operator unsigned short() const { return as<unsigned short>(); }
// Gets the variant as a string.
// Returns NULL if variant is not a string.
FORCE_INLINE operator const char *() const { return as<const char *>(); }
FORCE_INLINE const char *asString() const { return as<const char *>(); }
FORCE_INLINE operator String() const { return as<String>(); }
// Gets the variant as an array.
// Returns a reference to the JsonArray or JsonArray::invalid() if the
@ -59,6 +35,11 @@ class JsonVariantBase : public Internals::JsonPrintable<TImpl> {
FORCE_INLINE operator JsonObject &() const { return as<JsonObject &>(); }
FORCE_INLINE JsonObject &asObject() const { return as<JsonObject &>(); }
template <typename T>
FORCE_INLINE operator T() const {
return as<T>();
}
template <typename T>
FORCE_INLINE const T as() const {
return impl()->template as<T>();

22
include/ArduinoJson/TypeTraits/EnableIf.hpp Normal file
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@ -0,0 +1,22 @@
// Copyright Benoit Blanchon 2014-2016
// MIT License
//
// Arduino JSON library
// https://github.com/bblanchon/ArduinoJson
// If you like this project, please add a star!
#pragma once
namespace ArduinoJson {
namespace TypeTraits {
// A meta-function that return the type T if Condition is true.
template <bool Condition, typename T = void>
struct EnableIf {};
template <typename T>
struct EnableIf<true, T> {
typedef T type;
};
}
}

21
include/ArduinoJson/TypeTraits/IsFloatingPoint.hpp Normal file
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@ -0,0 +1,21 @@
// Copyright Benoit Blanchon 2014-2016
// MIT License
//
// Arduino JSON library
// https://github.com/bblanchon/ArduinoJson
// If you like this project, please add a star!
#pragma once
#include "IsSame.hpp"
namespace ArduinoJson {
namespace TypeTraits {
// A meta-function that returns true if T is a floating point type
template <typename T>
struct IsFloatingPoint {
static const bool value = IsSame<T, float>::value || IsSame<T, double>::value;
};
}
}

41
include/ArduinoJson/TypeTraits/IsIntegral.hpp Normal file
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@ -0,0 +1,41 @@
// Copyright Benoit Blanchon 2014-2016
// MIT License
//
// Arduino JSON library
// https://github.com/bblanchon/ArduinoJson
// If you like this project, please add a star!
#pragma once
#include "../Configuration.hpp"
#include "IsSame.hpp"
#include <stdint.h>
namespace ArduinoJson {
namespace TypeTraits {
// A meta-function that returns true if T is an integral type.
template <typename T>
struct IsIntegral {
static const bool value = TypeTraits::IsSame<T, signed char>::value ||
TypeTraits::IsSame<T, unsigned char>::value ||
TypeTraits::IsSame<T, signed short>::value ||
TypeTraits::IsSame<T, unsigned short>::value ||
TypeTraits::IsSame<T, signed int>::value ||
TypeTraits::IsSame<T, unsigned int>::value ||
TypeTraits::IsSame<T, signed long>::value ||
TypeTraits::IsSame<T, unsigned long>::value ||
#if ARDUINOJSON_USE_LONG_LONG
TypeTraits::IsSame<T, long long>::value ||
TypeTraits::IsSame<T, unsigned long long>::value ||
#endif
#if ARDUINOJSON_USE_INT64
TypeTraits::IsSame<T, __int64>::value ||
TypeTraits::IsSame<T, unsigned __int64>::value ||
#endif
TypeTraits::IsSame<T, char>::value;
};
}
}

24
include/ArduinoJson/TypeTraits/IsReference.hpp Normal file
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@ -0,0 +1,24 @@
// Copyright Benoit Blanchon 2014-2016
// MIT License
//
// Arduino JSON library
// https://github.com/bblanchon/ArduinoJson
// If you like this project, please add a star!
#pragma once
namespace ArduinoJson {
namespace TypeTraits {
// A meta-function that returns true if T is a reference
template <typename T>
struct IsReference {
static const bool value = false;
};
template <typename T>
struct IsReference<T&> {
static const bool value = true;
};
}
}

24
include/ArduinoJson/TypeTraits/IsSame.hpp Normal file
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@ -0,0 +1,24 @@
// Copyright Benoit Blanchon 2014-2016
// MIT License
//
// Arduino JSON library
// https://github.com/bblanchon/ArduinoJson
// If you like this project, please add a star!
#pragma once
namespace ArduinoJson {
namespace TypeTraits {
// A meta-function that returns true if types T and U are the same.
template <typename T, typename U>
struct IsSame {
static const bool value = false;
};
template <typename T>
struct IsSame<T, T> {
static const bool value = true;
};
}
}

23
include/ArduinoJson/TypeTraits/RemoveConst.hpp Normal file
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@ -0,0 +1,23 @@
// Copyright Benoit Blanchon 2014-2016
// MIT License
//
// Arduino JSON library
// https://github.com/bblanchon/ArduinoJson
// If you like this project, please add a star!
#pragma once
namespace ArduinoJson {
namespace TypeTraits {
// A meta-function that return the type T without the const modifier
template <typename T>
struct RemoveConst {
typedef T type;
};
template <typename T>
struct RemoveConst<const T> {
typedef T type;
};
}
}

23
include/ArduinoJson/TypeTraits/RemoveReference.hpp Normal file
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@ -0,0 +1,23 @@
// Copyright Benoit Blanchon 2014-2016
// MIT License
//
// Arduino JSON library
// https://github.com/bblanchon/ArduinoJson
// If you like this project, please add a star!
#pragma once
namespace ArduinoJson {
namespace TypeTraits {
// A meta-function that return the type T without the reference modifier.
template <typename T>
struct RemoveReference {
typedef T type;
};
template <typename T>
struct RemoveReference<T&> {
typedef T type;
};
}
}