json_convert_to_bool_core()

FL_NO_INLINE TypeConversionResult fl::detail::json_convert_to_bool_core	(	const json_value &	val,
		bool *	out_value )

Definition at line 67 of file json_dispatch.cpp.hpp.

                                                                             {
    TypeConversionResult result;
    if (auto* p = val.data.template ptr<bool>()) {
        *out_value = *p;
        return result;
    }
    if (auto* p = val.data.template ptr<i64>()) {
        *out_value = (*p != 0);
        result.addWarning(fl::string("int ") + fl::to_string(*p) +
                          " converted to bool " + (*out_value ? "true" : "false"));
        return result;
    }
    if (auto* p = val.data.template ptr<float>()) {
#if FL_PLATFORM_HAS_LARGE_MEMORY
        *out_value = (*p != 0.0f);
        result.addWarning(fl::string("float ") + fl::to_string(*p, 6) +
                          " converted to bool " + (*out_value ? "true" : "false"));
#else
        (void)p;
        *out_value = false;
        result.setError("float -> bool not supported on Low-memory");
#endif
        return result;
    }
    if (auto* p = val.data.template ptr<fl::string>()) {
        if (*p == "true" || *p == "1" || *p == "yes") {
            *out_value = true;
            result.addWarning(fl::string("string '") + *p + "' parsed as bool true");
        } else if (*p == "false" || *p == "0" || *p == "no") {
            *out_value = false;
            result.addWarning(fl::string("string '") + *p + "' parsed as bool false");
        } else {
            result.setError(fl::string("cannot parse string '") + *p + "' as bool");
            *out_value = false;
        }
        return result;
    }
    if (val.data.template ptr<fl::nullptr_t>()) {
        result.setError("cannot convert null to bool");
        *out_value = false;
        return result;
    }
    result.setError("cannot convert array or object to bool");
    *out_value = false;
    return result;
}

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

Referenced by fl::detail::JsonToType< bool, void >::convert().

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