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Copy pathValueSetter.hpp
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53 lines (47 loc) · 1.46 KB
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// Copyright Benoit Blanchon 2014-2017
// MIT License
//
// Arduino JSON library
// https://github.com/bblanchon/ArduinoJson
// If you like this project, please add a star!
#pragma once
#include "../JsonBuffer.hpp"
#include "../JsonVariant.hpp"
#include "../StringTraits/StringTraits.hpp"
#include "../TypeTraits/EnableIf.hpp"
namespace ArduinoJson {
namespace Internals {
template <typename TSource, typename Enable = void>
struct ValueSetter {
template <typename TDestination>
static bool set(JsonBuffer*, TDestination& destination,
const TSource& source) {
destination = source;
return true;
}
};
template <typename TSource>
struct ValueSetter<TSource, typename TypeTraits::EnableIf<StringTraits<
TSource>::should_duplicate>::type> {
template <typename TDestination>
static bool set(JsonBuffer* buffer, TDestination& destination,
const TSource& source) {
const char* copy = buffer->strdup(source);
if (!copy) return false;
destination = copy;
return true;
}
};
template <typename TSource>
struct ValueSetter<TSource, typename TypeTraits::EnableIf<!StringTraits<
TSource>::should_duplicate>::type> {
template <typename TDestination>
static bool set(JsonBuffer*, TDestination& destination,
const TSource& source) {
// unsigned char* -> char*
destination = reinterpret_cast<const char*>(source);
return true;
}
};
}
}