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Refactor actix-codegen duplicate code (#1423)

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Co-authored-by: Yuki Okushi <huyuumi.dev@gmail.com>
This commit is contained in:
Ivan Tham 2020-03-20 03:40:42 +08:00 committed by GitHub
parent bf630d9475
commit 2067331884
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 22 additions and 49 deletions
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57
actix-web-codegen/src/lib.rs
View file

@ -45,9 +45,6 @@ extern crate proc_macro;
mod route;
use proc_macro::TokenStream;
use quote::ToTokens;
use route::Route;
use syn::parse_macro_input;
/// Creates route handler with `GET` method guard.
///
@ -59,11 +56,7 @@ use syn::parse_macro_input;
/// - `guard="function_name"` - Registers function as guard using `actix_web::guard::fn_guard`
#[proc_macro_attribute]
pub fn get(args: TokenStream, input: TokenStream) -> TokenStream {
let args = parse_macro_input!(args as syn::AttributeArgs);
match Route::new(args, input, route::GuardType::Get) {
Ok(route) => route.into_token_stream().into(),
Err(err) => err.to_compile_error().into(),
}
route::generate(args, input, route::GuardType::Get)
}
/// Creates route handler with `POST` method guard.
@ -73,11 +66,7 @@ pub fn get(args: TokenStream, input: TokenStream) -> TokenStream {
/// Attributes are the same as in [get](attr.get.html)
#[proc_macro_attribute]
pub fn post(args: TokenStream, input: TokenStream) -> TokenStream {
let args = parse_macro_input!(args as syn::AttributeArgs);
match Route::new(args, input, route::GuardType::Post) {
Ok(route) => route.into_token_stream().into(),
Err(err) => err.to_compile_error().into(),
}
route::generate(args, input, route::GuardType::Post)
}
/// Creates route handler with `PUT` method guard.
@ -87,11 +76,7 @@ pub fn post(args: TokenStream, input: TokenStream) -> TokenStream {
/// Attributes are the same as in [get](attr.get.html)
#[proc_macro_attribute]
pub fn put(args: TokenStream, input: TokenStream) -> TokenStream {
let args = parse_macro_input!(args as syn::AttributeArgs);
match Route::new(args, input, route::GuardType::Put) {
Ok(route) => route.into_token_stream().into(),
Err(err) => err.to_compile_error().into(),
}
route::generate(args, input, route::GuardType::Put)
}
/// Creates route handler with `DELETE` method guard.
@ -101,11 +86,7 @@ pub fn put(args: TokenStream, input: TokenStream) -> TokenStream {
/// Attributes are the same as in [get](attr.get.html)
#[proc_macro_attribute]
pub fn delete(args: TokenStream, input: TokenStream) -> TokenStream {
let args = parse_macro_input!(args as syn::AttributeArgs);
match Route::new(args, input, route::GuardType::Delete) {
Ok(route) => route.into_token_stream().into(),
Err(err) => err.to_compile_error().into(),
}
route::generate(args, input, route::GuardType::Delete)
}
/// Creates route handler with `HEAD` method guard.
@ -115,11 +96,7 @@ pub fn delete(args: TokenStream, input: TokenStream) -> TokenStream {
/// Attributes are the same as in [head](attr.head.html)
#[proc_macro_attribute]
pub fn head(args: TokenStream, input: TokenStream) -> TokenStream {
let args = parse_macro_input!(args as syn::AttributeArgs);
match Route::new(args, input, route::GuardType::Head) {
Ok(route) => route.into_token_stream().into(),
Err(err) => err.to_compile_error().into(),
}
route::generate(args, input, route::GuardType::Head)
}
/// Creates route handler with `CONNECT` method guard.
@ -129,11 +106,7 @@ pub fn head(args: TokenStream, input: TokenStream) -> TokenStream {
/// Attributes are the same as in [connect](attr.connect.html)
#[proc_macro_attribute]
pub fn connect(args: TokenStream, input: TokenStream) -> TokenStream {
let args = parse_macro_input!(args as syn::AttributeArgs);
match Route::new(args, input, route::GuardType::Connect) {
Ok(route) => route.into_token_stream().into(),
Err(err) => err.to_compile_error().into(),
}
route::generate(args, input, route::GuardType::Connect)
}
/// Creates route handler with `OPTIONS` method guard.
@ -143,11 +116,7 @@ pub fn connect(args: TokenStream, input: TokenStream) -> TokenStream {
/// Attributes are the same as in [options](attr.options.html)
#[proc_macro_attribute]
pub fn options(args: TokenStream, input: TokenStream) -> TokenStream {
let args = parse_macro_input!(args as syn::AttributeArgs);
match Route::new(args, input, route::GuardType::Options) {
Ok(route) => route.into_token_stream().into(),
Err(err) => err.to_compile_error().into(),
}
route::generate(args, input, route::GuardType::Options)
}
/// Creates route handler with `TRACE` method guard.
@ -157,11 +126,7 @@ pub fn options(args: TokenStream, input: TokenStream) -> TokenStream {
/// Attributes are the same as in [trace](attr.trace.html)
#[proc_macro_attribute]
pub fn trace(args: TokenStream, input: TokenStream) -> TokenStream {
let args = parse_macro_input!(args as syn::AttributeArgs);
match Route::new(args, input, route::GuardType::Trace) {
Ok(route) => route.into_token_stream().into(),
Err(err) => err.to_compile_error().into(),
}
route::generate(args, input, route::GuardType::Trace)
}
/// Creates route handler with `PATCH` method guard.
@ -171,9 +136,5 @@ pub fn trace(args: TokenStream, input: TokenStream) -> TokenStream {
/// Attributes are the same as in [patch](attr.patch.html)
#[proc_macro_attribute]
pub fn patch(args: TokenStream, input: TokenStream) -> TokenStream {
let args = parse_macro_input!(args as syn::AttributeArgs);
match Route::new(args, input, route::GuardType::Patch) {
Ok(route) => route.into_token_stream().into(),
Err(err) => err.to_compile_error().into(),
}
route::generate(args, input, route::GuardType::Patch)
}

14
actix-web-codegen/src/route.rs
View file

@ -3,7 +3,7 @@ extern crate proc_macro;
use proc_macro::TokenStream;
use proc_macro2::{Span, TokenStream as TokenStream2};
use quote::{format_ident, quote, ToTokens, TokenStreamExt};
use syn::{AttributeArgs, Ident, NestedMeta};
use syn::{AttributeArgs, Ident, NestedMeta, parse_macro_input};
enum ResourceType {
Async,
@ -209,3 +209,15 @@ impl ToTokens for Route {
output.extend(stream);
}
}
pub(crate) fn generate(
args: TokenStream,
input: TokenStream,
guard: GuardType,
) -> TokenStream {
let args = parse_macro_input!(args as syn::AttributeArgs);
match Route::new(args, input, guard) {
Ok(route) => route.into_token_stream().into(),
Err(err) => err.to_compile_error().into(),
}
}