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Add an 'add' method for appending to a vec

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This commit is contained in:
asonix 2020-05-05 12:10:46 -05:00
parent d5e0600051
commit 5188d529b9
2 changed files with 65 additions and 1 deletions
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2
activitystreams-derive/Cargo.toml
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@ -1,7 +1,7 @@
[package]
name = "activitystreams-derive"
description = "Derive macros for activitystreams"
version = "0.6.0"
version = "0.6.1"
license = "GPL-3.0"
authors = ["asonix <asonix.dev@gmail.com>"]
repository = "https://git.asonix.dog/Aardwolf/activitystreams"

64
activitystreams-derive/src/lib.rs
View file

@ -796,6 +796,7 @@ pub fn properties(tokens: TokenStream) -> TokenStream {
Ident::new(&format!("set_many_{}", pluralize(fname.to_string())), fname.span());
let get_many_ident =
Ident::new(&format!("get_many_{}", pluralize(fname.to_string())), fname.span());
let add_ident = Ident::new(&format!("add_{}", fname.to_string()), fname.span());
if field.description.required {
if field.description.functional {
@ -864,6 +865,35 @@ pub fn properties(tokens: TokenStream) -> TokenStream {
}
};
let doc_line = to_doc(&format!("Add a type that can be converted into a `{}` to the `{}` vec", v_ty.to_token_stream(), fname));
let add = quote! {
#doc_line
pub fn #add_ident<T>(&mut self, item: T) -> Result<&mut Self, <T as std::convert::TryInto<#v_ty>>::Error>
where
T: std::convert::TryInto<#v_ty>,
{
let item = item.try_into()?;
let new_vec = match self.#fname {
#enum_ty::Array(items) => {
let mut new_vec = Vec::new();
new_vec.extend(&items)
new_vec.push(item);
new_vec
}
#enum_ty::Term(old_item) => {
let mut new_vec = Vec::new();
new_vec.push(old_item.clone());
new_vec.push(item);
new_vec
}
};
self.#fname = #enum_ty::Array(new_vec);
Ok(self)
}
};
let doc_line = to_doc(&format!("Get the `{}` as a slice of `{}`", fname, v_ty.to_token_stream()));
let get_many = quote! {
#doc_line
@ -883,6 +913,7 @@ pub fn properties(tokens: TokenStream) -> TokenStream {
#set
#get_many
#set_many
#add
}
}
} else if field.description.functional {
@ -955,6 +986,38 @@ pub fn properties(tokens: TokenStream) -> TokenStream {
}
};
let doc_line = to_doc(&format!("Add a type that can be converted into a `{}` to the `{}` vec", v_ty.to_token_stream(), fname));
let add = quote! {
#doc_line
pub fn #add_ident<T>(&mut self, item: T) -> Result<&mut Self, <T as std::convert::TryInto<#v_ty>>::Error>
where
T: std::convert::TryInto<#v_ty>,
{
let item = item.try_into()?;
let new_vec = match self.#fname.take() {
Some(#enum_ty::Array(mut items)) => {
items.push(item);
items
}
Some(#enum_ty::Term(old_item)) => {
let mut new_vec = Vec::new();
new_vec.push(old_item.clone());
new_vec.push(item);
new_vec
}
None => {
let mut new_vec = Vec::new();
new_vec.push(item);
new_vec
}
};
self.#fname = Some(#enum_ty::Array(new_vec));
Ok(self)
}
};
let doc_line = to_doc(&format!("Get `{}` as a slice of `{}`s", fname, v_ty.to_token_stream()));
let get_many = quote! {
#doc_line
@ -975,6 +1038,7 @@ pub fn properties(tokens: TokenStream) -> TokenStream {
#set
#get_many
#set_many
#add
}
}
} else if field.description.functional {