Proxmox/proxmox
5
0
Fork 1
Code Issues Pull Requests Releases Activity

macro: add TypeInfo for enum types

Browse Source 
Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
This commit is contained in:
Wolfgang Bumiller 2019-07-18 11:26:57 +02:00
parent 7510f3179c
commit 4803bfcb59
1 changed files with 28 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
proxmox-api-macro/src/api_macro.rs
View File

@ -569,7 +569,7 @@ fn handle_named_struct_fields(
/// For enums we automatically implement `ToString`, `FromStr`, and derive `Serialize` and
/// `Deserialize` via `serde_plain`.
fn handle_enum(
_definition: HashMap<String, Expression>,
mut definition: HashMap<String, Expression>,
item: &syn::ItemEnum,
) -> Result<TokenStream, Error> {
if item.generics.lt_token.is_some() {
@ -577,7 +577,8 @@ fn handle_enum(
}
let enum_ident = &item.ident;
let expected = format!("valid {}", enum_ident.to_string());
let enum_name = enum_ident.to_string();
let expected = format!("valid {}", enum_ident);
let mut display_entries = TokenStream::new();
let mut from_str_entries = TokenStream::new();
@ -600,6 +601,15 @@ fn handle_enum(
});
}
let common = CommonTypeDefinition::from_object(&mut definition)?;
let apidef = ParameterDefinition::from_object(definition)?;
if let Some(validate) = apidef.validate {
c_bail!(validate.span() => "validators are not allowed on enum types");
}
let description = common.description;
let parse_cli = common.cli.quote(&enum_ident);
Ok(quote_spanned! { item.span() =>
impl ::std::fmt::Display for #enum_ident {
fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
@ -624,5 +634,21 @@ fn handle_enum(
::serde_plain::derive_serialize_from_display!(#enum_ident);
::proxmox::api::derive_parse_cli_from_str!(#enum_ident);
impl ::proxmox::api::ApiType for #enum_ident {
fn type_info() -> &'static ::proxmox::api::TypeInfo {
const INFO: ::proxmox::api::TypeInfo = ::proxmox::api::TypeInfo {
name: #enum_name,
description: #description,
complete_fn: None, // FIXME!
parse_cli: #parse_cli,
};
&INFO
}
fn verify(&self) -> ::std::result::Result<(), ::failure::Error> {
Ok(())
}
}
})
}