49 lines
1.6 KiB
Rust
49 lines
1.6 KiB
Rust
//! Details of the `response` section of the procedural macro.
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use proc_macro2::TokenStream;
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use quote::quote;
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use syn::{punctuated::Punctuated, spanned::Spanned, Attribute, Field, Ident, Token};
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use super::{api_metadata::Metadata, kw};
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/// The result of processing the `response` section of the macro.
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pub(crate) struct Response {
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/// The `response` keyword
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pub(super) response_kw: kw::response,
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/// The attributes that will be applied to the struct definition.
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pub attributes: Vec<Attribute>,
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/// The fields of the response.
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pub fields: Punctuated<Field, Token![,]>,
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}
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impl Response {
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pub(super) fn expand(&self, metadata: &Metadata, ruma_common: &TokenStream) -> TokenStream {
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let ruma_macros = quote! { #ruma_common::exports::ruma_macros };
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let docs =
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format!("Data in the response from the `{}` API endpoint.", metadata.name.value());
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let struct_attributes = &self.attributes;
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let response_ident = Ident::new("Response", self.response_kw.span());
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let fields = &self.fields;
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quote! {
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#[doc = #docs]
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#[derive(
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Clone,
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Debug,
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#ruma_macros::Response,
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#ruma_common::serde::Incoming,
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#ruma_common::serde::_FakeDeriveSerde,
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)]
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#[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
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#[incoming_derive(!Deserialize, #ruma_macros::_FakeDeriveRumaApi)]
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#( #struct_attributes )*
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pub struct #response_ident {
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#fields
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}
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}
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}
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}
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