mirror of
https://github.com/eledio-devices/thirdparty-ArduinoJson.git
synced 2025-10-31 08:42:39 +01:00
136 lines
4.2 KiB
C++
136 lines
4.2 KiB
C++
// ArduinoJson - https://arduinojson.org
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// Copyright © 2014-2022, Benoit BLANCHON
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// MIT License
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#pragma once
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#if defined(__clang__)
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# pragma clang diagnostic push
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# pragma clang diagnostic ignored "-Wconversion"
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#elif defined(__GNUC__)
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# pragma GCC diagnostic push
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# pragma GCC diagnostic ignored "-Wconversion"
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#endif
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#include <ArduinoJson/Numbers/FloatTraits.hpp>
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#include <ArduinoJson/Numbers/JsonFloat.hpp>
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#include <ArduinoJson/Polyfills/limits.hpp>
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#include <ArduinoJson/Polyfills/type_traits.hpp>
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ARDUINOJSON_BEGIN_PRIVATE_NAMESPACE
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// uint32 -> int32
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// uint64 -> int32
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template <typename TOut, typename TIn>
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typename enable_if<is_integral<TIn>::value && is_unsigned<TIn>::value &&
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is_integral<TOut>::value && sizeof(TOut) <= sizeof(TIn),
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bool>::type
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canConvertNumber(TIn value) {
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return value <= TIn(numeric_limits<TOut>::highest());
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}
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// uint32 -> int64
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template <typename TOut, typename TIn>
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typename enable_if<is_integral<TIn>::value && is_unsigned<TIn>::value &&
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is_integral<TOut>::value && sizeof(TIn) < sizeof(TOut),
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bool>::type
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canConvertNumber(TIn) {
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return true;
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}
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// uint32 -> float
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// int32 -> float
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template <typename TOut, typename TIn>
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typename enable_if<is_integral<TIn>::value && is_floating_point<TOut>::value,
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bool>::type
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canConvertNumber(TIn) {
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return true;
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}
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// int64 -> int32
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template <typename TOut, typename TIn>
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typename enable_if<is_integral<TIn>::value && is_signed<TIn>::value &&
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is_integral<TOut>::value && is_signed<TOut>::value &&
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sizeof(TOut) < sizeof(TIn),
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bool>::type
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canConvertNumber(TIn value) {
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return value >= TIn(numeric_limits<TOut>::lowest()) &&
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value <= TIn(numeric_limits<TOut>::highest());
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}
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// int32 -> int32
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// int32 -> int64
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template <typename TOut, typename TIn>
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typename enable_if<is_integral<TIn>::value && is_signed<TIn>::value &&
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is_integral<TOut>::value && is_signed<TOut>::value &&
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sizeof(TIn) <= sizeof(TOut),
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bool>::type
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canConvertNumber(TIn) {
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return true;
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}
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// int32 -> uint32
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// int32 -> uint64
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template <typename TOut, typename TIn>
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typename enable_if<is_integral<TIn>::value && is_signed<TIn>::value &&
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is_integral<TOut>::value && is_unsigned<TOut>::value &&
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sizeof(TOut) >= sizeof(TIn),
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bool>::type
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canConvertNumber(TIn value) {
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if (value < 0)
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return false;
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return TOut(value) <= numeric_limits<TOut>::highest();
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}
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// int32 -> uint16
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template <typename TOut, typename TIn>
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typename enable_if<is_integral<TIn>::value && is_signed<TIn>::value &&
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is_integral<TOut>::value && is_unsigned<TOut>::value &&
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sizeof(TOut) < sizeof(TIn),
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bool>::type
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canConvertNumber(TIn value) {
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if (value < 0)
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return false;
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return value <= TIn(numeric_limits<TOut>::highest());
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}
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// float32 -> int16
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// float64 -> int32
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template <typename TOut, typename TIn>
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typename enable_if<is_floating_point<TIn>::value && is_integral<TOut>::value &&
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sizeof(TOut) < sizeof(TIn),
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bool>::type
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canConvertNumber(TIn value) {
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return value >= numeric_limits<TOut>::lowest() &&
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value <= numeric_limits<TOut>::highest();
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}
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// float32 -> int32
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// float32 -> uint32
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// float32 -> int64
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// float32 -> uint64
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// float64 -> int64
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// float64 -> uint64
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template <typename TOut, typename TIn>
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typename enable_if<is_floating_point<TIn>::value && is_integral<TOut>::value &&
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sizeof(TOut) >= sizeof(TIn),
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bool>::type
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canConvertNumber(TIn value) {
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// Avoid error "9.22337e+18 is outside the range of representable values of
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// type 'long'"
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return value >= numeric_limits<TOut>::lowest() &&
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value <= FloatTraits<TIn>::template highest_for<TOut>();
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}
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template <typename TOut, typename TIn>
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TOut convertNumber(TIn value) {
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return canConvertNumber<TOut>(value) ? TOut(value) : 0;
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}
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ARDUINOJSON_END_PRIVATE_NAMESPACE
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#if defined(__clang__)
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# pragma clang diagnostic pop
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#elif defined(__GNUC__)
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# pragma GCC diagnostic pop
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#endif
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