1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76
// This file is part of Substrate.
// Copyright (C) 2022 Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: Apache-2.0
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// macro_rules! impl_incrementable {
// ($($type:ty),+) => {
// $(
// impl Incrementable for $type {
// fn increment(&self) -> Self {
// let mut val = self.clone();
// val.saturating_inc();
// val
// }
//
// fn initial_value() -> Self {
// 0
// }
// }
// )+
// };
// }
// pub(crate) use impl_incrementable;
#[macro_export]
#[doc(hidden)]
macro_rules! impl_codec_bitflags {
($wrapper:ty, $size:ty, $bitflag_enum:ty) => {
impl MaxEncodedLen for $wrapper {
fn max_encoded_len() -> usize {
<$size>::max_encoded_len()
}
}
impl Encode for $wrapper {
fn using_encoded<R, F: FnOnce(&[u8]) -> R>(&self, f: F) -> R {
self.0.bits().using_encoded(f)
}
}
impl EncodeLike for $wrapper {}
impl Decode for $wrapper {
fn decode<I: parity_scale_codec::Input>(
input: &mut I,
) -> sp_std::result::Result<Self, parity_scale_codec::Error> {
let field = <$size>::decode(input)?;
Ok(Self(BitFlags::from_bits(field as $size).map_err(|_| "invalid value")?))
}
}
impl TypeInfo for $wrapper {
type Identity = Self;
fn type_info() -> Type {
Type::builder()
.path(Path::new("BitFlags", module_path!()))
.type_params(vec![TypeParameter::new("T", Some(meta_type::<$bitflag_enum>()))])
.composite(
Fields::unnamed()
.field(|f| f.ty::<$size>().type_name(stringify!($bitflag_enum))),
)
}
}
};
}
// pub(crate) use impl_codec_bitflags;