forked from mirrors/jj
82 lines
2.3 KiB
Rust
82 lines
2.3 KiB
Rust
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// Copyright 2020-2024 The Jujutsu Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#![allow(missing_docs)]
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pub trait ObjectId {
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fn new(value: Vec<u8>) -> Self;
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fn object_type(&self) -> String;
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fn from_bytes(bytes: &[u8]) -> Self;
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fn as_bytes(&self) -> &[u8];
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fn to_bytes(&self) -> Vec<u8>;
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fn from_hex(hex: &str) -> Self;
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fn hex(&self) -> String;
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}
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macro_rules! id_type {
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($vis:vis $name:ident) => {
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content_hash! {
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#[derive(PartialEq, Eq, PartialOrd, Ord, Clone, Hash)]
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$vis struct $name(Vec<u8>);
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}
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$crate::object_id::impl_id_type!($name);
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};
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}
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macro_rules! impl_id_type {
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($name:ident) => {
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impl std::fmt::Debug for $name {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> Result<(), std::fmt::Error> {
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f.debug_tuple(stringify!($name)).field(&self.hex()).finish()
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}
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}
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impl crate::object_id::ObjectId for $name {
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fn new(value: Vec<u8>) -> Self {
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Self(value)
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}
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fn object_type(&self) -> String {
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stringify!($name)
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.strip_suffix("Id")
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.unwrap()
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.to_ascii_lowercase()
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.to_string()
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}
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fn from_bytes(bytes: &[u8]) -> Self {
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Self(bytes.to_vec())
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}
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fn as_bytes(&self) -> &[u8] {
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&self.0
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}
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fn to_bytes(&self) -> Vec<u8> {
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self.0.clone()
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}
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fn from_hex(hex: &str) -> Self {
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Self(hex::decode(hex).unwrap())
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}
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fn hex(&self) -> String {
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hex::encode(&self.0)
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}
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}
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};
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}
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pub(crate) use {id_type, impl_id_type};
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