bitwarden_uuid_macro/
lib.rs

1#![doc = include_str!("../README.md")]
2
3use proc_macro::TokenStream;
4use quote::quote;
5use syn::{
6    parse::{Parse, ParseStream},
7    parse_macro_input, Ident, Visibility,
8};
9
10#[allow(missing_docs)]
11#[proc_macro]
12pub fn uuid(input: TokenStream) -> TokenStream {
13    // Parse input as: vis ident
14    let input = parse_macro_input!(input as IdTypeInput);
15    let ident = input.ident;
16    let vis = input.vis;
17    let name_str = ident.to_string();
18
19    let tsify_type = format!("Tagged<Uuid, \"{}\">", name_str);
20    let doc_string = format!(" NewType wrapper for `{}`", name_str);
21
22    let expanded = quote! {
23        #[doc = #doc_string]
24        #[cfg_attr(feature = "wasm", derive(::tsify_next::Tsify), tsify(into_wasm_abi, from_wasm_abi))]
25        #[derive(
26            ::serde::Serialize, ::serde::Deserialize,
27            ::std::cmp::PartialEq, ::std::cmp::Eq,
28            ::std::clone::Clone, ::std::marker::Copy, ::std::fmt::Debug
29        )]
30        #[repr(transparent)]
31        #vis struct #ident
32        (
33            #[cfg_attr(feature = "wasm", tsify(type = #tsify_type))]
34            ::uuid::Uuid
35        );
36
37        #[cfg(feature = "uniffi")]
38        uniffi::custom_newtype!(#ident, uuid::Uuid);
39
40        impl #ident {
41            #[allow(missing_docs)]
42            pub fn new(value: uuid::Uuid) -> Self {
43                Self(value)
44            }
45        }
46
47        impl ::std::str::FromStr for #ident {
48            type Err = uuid::Error;
49
50            fn from_str(s: &str) -> Result<Self, Self::Err> {
51                uuid::Uuid::from_str(s).map(Self)
52            }
53        }
54
55        impl From<#ident> for ::uuid::Uuid {
56            fn from(value: #ident) -> Self {
57                value.0
58            }
59        }
60    };
61
62    TokenStream::from(expanded)
63}
64
65// Helper struct to parse "vis ident"
66struct IdTypeInput {
67    vis: Visibility,
68    ident: Ident,
69}
70
71impl Parse for IdTypeInput {
72    fn parse(input: ParseStream) -> syn::Result<Self> {
73        let vis: Visibility = input.parse()?;
74        let ident: Ident = input.parse()?;
75        Ok(IdTypeInput { vis, ident })
76    }
77}
bitwarden_uuid_macro/lib.rs

bitwarden_uuid_macro/
lib.rs
