json_convert_to_i64_core()

FL_NO_INLINE TypeConversionResult fl::detail::json_convert_to_i64_core	(	const json_value &	val,
		fl::i64 *	out_value )

Definition at line 17 of file json_dispatch.cpp.hpp.

                                                                             {
    TypeConversionResult result;
    if (auto* p = val.data.template ptr<i64>()) {
        *out_value = *p;
        return result;
    }
    if (auto* p = val.data.template ptr<bool>()) {
        *out_value = *p ? 1 : 0;
        result.addWarning(fl::string("bool converted to int ") + fl::to_string(*out_value));
        return result;
    }
    if (auto* p = val.data.template ptr<float>()) {
#if FL_PLATFORM_HAS_LARGE_MEMORY
        *out_value = static_cast<i64>(*p);
        if (*p != static_cast<float>(*out_value)) {
            result.addWarning(fl::string("float ") + fl::to_string(*p, 6) +
                              " truncated to int " + fl::to_string(*out_value));
        }
#else
        (void)p;
        *out_value = 0;
        result.setError("float -> int not supported on Low-memory");
#endif
        return result;
    }
    if (auto* p = val.data.template ptr<fl::string>()) {
        char* end = nullptr;
        long parsed = fl::strtol(p->c_str(), &end, 10);
        if (end != p->c_str() && *end == '\0') {
            *out_value = static_cast<i64>(parsed);
            result.addWarning(fl::string("string '") + *p + "' parsed to int " + fl::to_string(*out_value));
        } else {
            result.setError(fl::string("cannot parse string '") + *p + "' as integer");
        }
        return result;
    }
    if (val.data.template ptr<fl::nullptr_t>()) {
        result.setError("cannot convert null to integer");
        return result;
    }
    // Any remaining alternative (json_object, json_array, vector<i16>,
    // vector<u8>, vector<float>) -- all are "container" types that don't
    // convert cleanly to an integer.
    result.setError("cannot convert array or object to integer");
    *out_value = 0;
    return result;
}

References fl::end(), fl::FL_NO_EXCEPT, fl::strtol(), and fl::to_string().

Referenced by fl::detail::JsonToType< T, typename fl::enable_if< fl::is_integral< T >::value &&!fl::is_same< T, bool >::value >::type >::convert().

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