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Generate 'FromUriParam' impls in 'UriDisplayPath'.

This commit is contained in:
Sergio Benitez 2018-12-06 09:00:01 -08:00
parent d7933dd6fd
commit 7fb6ba9be5
1 changed files with 53 additions and 10 deletions
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63
core/codegen/src/derive/uri_display.rs
View File

@ -46,8 +46,8 @@ pub fn derive_uri_display_query(input: TokenStream) -> TokenStream {
let FromUriParam = quote!(::rocket::http::uri::FromUriParam);
let uri_display = DeriveGenerator::build_for(input.clone(), quote!(impl #UriDisplay))
.generic_support(GenericSupport::Type | GenericSupport::Lifetime)
.data_support(DataSupport::Struct | DataSupport::Enum)
.generic_support(GenericSupport::Type | GenericSupport::Lifetime)
.validate_enum(validate_enum)
.validate_struct(validate_struct)
.map_type_generic(move |_, ident, _| quote!(#ident : #UriDisplay))
@ -76,9 +76,11 @@ pub fn derive_uri_display_query(input: TokenStream) -> TokenStream {
let i = input.clone();
let gen_trait = quote!(impl #FromUriParam<#Query, Self>);
let UriDisplay = quote!(::rocket::http::uri::UriDisplay<#Query>);
let from_self = DeriveGenerator::build_for(i, gen_trait)
.generic_support(GenericSupport::Type | GenericSupport::Lifetime)
.data_support(DataSupport::Struct | DataSupport::Enum)
.generic_support(GenericSupport::Type | GenericSupport::Lifetime)
.map_type_generic(move |_, ident, _| quote!(#ident : #UriDisplay))
.function(|_, _| quote! {
type Target = Self;
#[inline(always)]
@ -88,9 +90,11 @@ pub fn derive_uri_display_query(input: TokenStream) -> TokenStream {
let i = input.clone();
let gen_trait = quote!(impl<'__r> #FromUriParam<#Query, &'__r Self>);
let UriDisplay = quote!(::rocket::http::uri::UriDisplay<#Query>);
let from_ref = DeriveGenerator::build_for(i, gen_trait)
.generic_support(GenericSupport::Type | GenericSupport::Lifetime)
.data_support(DataSupport::Struct | DataSupport::Enum)
.generic_support(GenericSupport::Type | GenericSupport::Lifetime)
.map_type_generic(move |_, ident, _| quote!(#ident : #UriDisplay))
.function(|_, _| quote! {
type Target = &'__r Self;
#[inline(always)]
@ -100,9 +104,11 @@ pub fn derive_uri_display_query(input: TokenStream) -> TokenStream {
let i = input.clone();
let gen_trait = quote!(impl<'__r> #FromUriParam<#Query, &'__r mut Self>);
let UriDisplay = quote!(::rocket::http::uri::UriDisplay<#Query>);
let from_mut = DeriveGenerator::build_for(i, gen_trait)
.generic_support(GenericSupport::Type | GenericSupport::Lifetime)
.data_support(DataSupport::Struct | DataSupport::Enum)
.generic_support(GenericSupport::Type | GenericSupport::Lifetime)
.map_type_generic(move |_, ident, _| quote!(#ident : #UriDisplay))
.function(|_, _| quote! {
type Target = &'__r mut Self;
#[inline(always)]
@ -117,19 +123,23 @@ pub fn derive_uri_display_query(input: TokenStream) -> TokenStream {
ts.into()
}
#[allow(non_snake_case)]
pub fn derive_uri_display_path(input: TokenStream) -> TokenStream {
let display_trait = quote!(::rocket::http::uri::UriDisplay<::rocket::http::uri::Path>);
let formatter = quote!(::rocket::http::uri::Formatter<::rocket::http::uri::Path>);
DeriveGenerator::build_for(input, quote!(impl #display_trait))
let Path = quote!(::rocket::http::uri::Path);
let UriDisplay = quote!(::rocket::http::uri::UriDisplay<#Path>);
let Formatter = quote!(::rocket::http::uri::Formatter<#Path>);
let FromUriParam = quote!(::rocket::http::uri::FromUriParam);
let uri_display = DeriveGenerator::build_for(input.clone(), quote!(impl #UriDisplay))
.data_support(DataSupport::TupleStruct)
.generic_support(GenericSupport::Type | GenericSupport::Lifetime)
.map_type_generic(move |_, ident, _| quote!(#ident : #display_trait))
.map_type_generic(move |_, ident, _| quote!(#ident : #UriDisplay))
.validate_fields(|_, fields| match fields.count() {
1 => Ok(()),
_ => Err(fields.span().error(EXACTLY_ONE_FIELD))
})
.function(move |_, inner| quote! {
fn fmt(&self, f: &mut #formatter) -> ::std::fmt::Result {
fn fmt(&self, f: &mut #Formatter) -> ::std::fmt::Result {
#inner
Ok(())
}
@ -139,5 +149,38 @@ pub fn derive_uri_display_path(input: TokenStream) -> TokenStream {
let accessor = field.accessor();
quote_spanned!(span => f.write_value(&#accessor)?;)
})
.to_tokens()
.to_tokens();
let i = input.clone();
let gen_trait = quote!(impl #FromUriParam<#Path, Self>);
let UriDisplay = quote!(::rocket::http::uri::UriDisplay<#Path>);
let from_self = DeriveGenerator::build_for(i, gen_trait)
.data_support(DataSupport::All)
.generic_support(GenericSupport::Type | GenericSupport::Lifetime)
.map_type_generic(move |_, ident, _| quote!(#ident : #UriDisplay))
.function(|_, _| quote! {
type Target = Self;
#[inline(always)]
fn from_uri_param(param: Self) -> Self { param }
})
.to_tokens();
let i = input.clone();
let gen_trait = quote!(impl<'__r> #FromUriParam<#Path, &'__r Self>);
let UriDisplay = quote!(::rocket::http::uri::UriDisplay<#Path>);
let from_ref = DeriveGenerator::build_for(i, gen_trait)
.data_support(DataSupport::All)
.generic_support(GenericSupport::Type | GenericSupport::Lifetime)
.map_type_generic(move |_, ident, _| quote!(#ident : #UriDisplay))
.function(|_, _| quote! {
type Target = &'__r Self;
#[inline(always)]
fn from_uri_param(param: &'__r Self) -> &'__r Self { param }
})
.to_tokens();
let mut ts = TokenStream2::from(uri_display);
ts.extend(TokenStream2::from(from_self));
ts.extend(TokenStream2::from(from_ref));
ts.into()
}