Files
ArduinoJson/include/ArduinoJson/JsonVariant.ipp
2016-02-01 21:17:32 +01:00

151 lines
3.3 KiB
C++

// 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 "JsonVariant.hpp"
#include "Internals/Parse.hpp"
#include <string.h>
namespace ArduinoJson {
inline JsonVariant::JsonVariant(bool value) {
using namespace Internals;
_type = JSON_BOOLEAN;
_content.asInteger = static_cast<JsonInteger>(value);
}
inline JsonVariant::JsonVariant(const char *value) {
_type = Internals::JSON_STRING;
_content.asString = value;
}
inline JsonVariant::JsonVariant(Internals::Unparsed value) {
_type = Internals::JSON_UNPARSED;
_content.asString = value;
}
inline JsonVariant::JsonVariant(JsonArray &array) {
_type = Internals::JSON_ARRAY;
_content.asArray = &array;
}
inline JsonVariant::JsonVariant(JsonObject &object) {
_type = Internals::JSON_OBJECT;
_content.asObject = &object;
}
template <typename T>
inline T JsonVariant::invalid() {
return T();
}
template <typename T>
inline bool JsonVariant::is() const {
return false;
}
template <> // in .cpp
bool JsonVariant::is<signed long>() const;
template <> // in .cpp
bool JsonVariant::is<double>() const;
template <> // int .cpp
bool JsonVariant::is<bool>() const;
template <>
inline bool JsonVariant::is<char const *>() const {
return _type == Internals::JSON_STRING;
}
template <>
inline bool JsonVariant::is<float>() const {
return is<double>();
}
template <>
inline bool JsonVariant::is<JsonArray &>() const {
return _type == Internals::JSON_ARRAY;
}
template <>
inline bool JsonVariant::is<JsonArray const &>() const {
return _type == Internals::JSON_ARRAY;
}
template <>
inline bool JsonVariant::is<JsonObject &>() const {
return _type == Internals::JSON_OBJECT;
}
template <>
inline bool JsonVariant::is<JsonObject const &>() const {
return _type == Internals::JSON_OBJECT;
}
template <>
inline bool JsonVariant::is<signed char>() const {
return is<signed long>();
}
template <>
inline bool JsonVariant::is<signed int>() const {
return is<signed long>();
}
template <>
inline bool JsonVariant::is<signed short>() const {
return is<signed long>();
}
template <>
inline bool JsonVariant::is<unsigned char>() const {
return is<signed long>();
}
template <>
inline bool JsonVariant::is<unsigned int>() const {
return is<signed long>();
}
template <>
inline bool JsonVariant::is<unsigned long>() const {
return is<signed long>();
}
template <>
inline bool JsonVariant::is<unsigned short>() const {
return is<signed long>();
}
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);
}
#endif
} // namespace ArduinoJson