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Flatten traits into activitystreams

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asonix 2020-03-11 10:04:07 -05:00
parent d9c21de217
commit a8bdac6c45
17 changed files with 108 additions and 1036 deletions
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6
Cargo.toml
View file

@ -14,16 +14,15 @@ default = ["types"]
derive = ["activitystreams-derive"]
kinds = ["derive", "serde"]
primitives = ["chrono", "mime", "serde", "thiserror", "url"]
types = ["derive", "kinds", "primitives", "serde", "typetag"]
types = ["derive", "kinds", "primitives", "serde"]
[dependencies]
activitystreams-traits = { version = "0.4.0-alpha.0", path = "activitystreams-traits" }
activitystreams-derive = { version = "0.4.0-alpha.0", path = "activitystreams-derive", optional = true}
typetag = "0.1.4"
chrono = { version = "0.4", optional = true }
mime = { version = "0.3", optional = true }
serde = { version = "1.0", features = ["derive"], optional = true }
thiserror = { version = "1.0", optional = true }
typetag = { version = "0.1.4", optional = true }
url = { version = "2.1", optional = true }
[dev-dependencies]
@ -38,5 +37,4 @@ opt-level = 3
[workspace]
members = [
"activitystreams-derive",
"activitystreams-traits",
]

2
activitystreams-derive/src/lib.rs
View file

@ -110,7 +110,7 @@ use syn::{
/// #[activitystreams(None)]
/// my_field: MyProperties,
///
/// /// Derive the above, plus Object (activitystreams-traits)
/// /// Derive the above, plus Object (activitystreams)
/// #[activitystreams(Object)]
/// obj_field: ObjectProperties,
/// }

3
activitystreams-traits/.gitignore vendored
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@ -1,3 +0,0 @@
/target
**/*.rs.bk
Cargo.lock

16
activitystreams-traits/Cargo.toml
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@ -1,16 +0,0 @@
[package]
name = "activitystreams-traits"
description = "Traits for ActivityStreams 2.0 objects"
version = "0.4.0-alpha.0"
license = "GPL-3.0"
authors = ["asonix <asonix.dev@gmail.com>"]
repository = "https://git.asonix.dog/Aardwolf/activitystreams"
readme = "README.md"
keywords = ["activitystreams", "activitypub"]
edition = "2018"
[dependencies]
typetag = "0.1.4"
[dev-dependencies]
serde = { version = "1.0", features = ["derive"] }

674
activitystreams-traits/LICENSE
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@ -1,674 +0,0 @@
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EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES.
17. Interpretation of Sections 15 and 16.
If the disclaimer of warranty and limitation of liability provided
above cannot be given local legal effect according to their terms,
reviewing courts shall apply local law that most closely approximates
an absolute waiver of all civil liability in connection with the
Program, unless a warranty or assumption of liability accompanies a
copy of the Program in return for a fee.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
If the program does terminal interaction, make it output a short
notice like this when it starts in an interactive mode:
<program> Copyright (C) <year> <name of author>
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, your program's commands
might be different; for a GUI interface, you would use an "about box".
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU GPL, see
<http://www.gnu.org/licenses/>.
The GNU General Public License does not permit incorporating your program
into proprietary programs. If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
<http://www.gnu.org/philosophy/why-not-lgpl.html>.

60
activitystreams-traits/README.md
View file

@ -1,60 +0,0 @@
# ActivityStreams Traits
__Traits for Activity Streams__
- [Read the documentation on docs.rs](https://docs.rs/activitystreams-traits)
- [Find the crate on crates.io](https://crates.io/crates/activitystreams-traits)
- [Hit me up on Mastodon](https://asonix.dog/@asonix)
These traits don't provide any functionality other than anotations for types created in other
projects. See the `activitystreams-types` crate for examples of how these traits could be used.
## Examples
Add it to your `Cargo.toml`
```toml
activitystreams-traits = "0.4.0-alpha.0"
serde = { version = "1.0", features = ["derive"] }
typetag = "0.1.4"
```
Use it in your project
```rust
use activitystreams_traits::{Object, Actor};
#[derive(Clone, Debug, Default, serde::Deserialize, serde::Serialize)]
#[serde(rename_all = "camelCase")]
pub struct Persona {
#[serde(rename = "type")]
kind: String,
}
// TypeTag exists so user-defined types can be deserialized generically in activitystreams-types
#[typetag::serde]
impl Object for Persona {
fn as_any(&self) -> &(dyn Any + 'static) {
self
}
fn as_any_mut(&mut self) -> &mut (dyn Any + 'static) {
self
}
fn duplicate(&self) -> Box<dyn Object + 'static> {
Box::new(self.clone())
}
}
impl Actor for Persona {}
```
## Contributing
Feel free to open issues for anything you find an issue with. Please note that any contributed code will be licensed under the GPLv3.
## License
Copyright © 2020 Riley Trautman
ActivityStreams Traits is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
ActivityStreams Traits is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. This file is part of ActivityStreams Traits.
You should have received a copy of the GNU General Public License along with ActivityStreams Traits. If not, see [http://www.gnu.org/licenses/](http://www.gnu.org/licenses/).

34
activitystreams-traits/src/activity.rs
View file

@ -1,34 +0,0 @@
/*
* This file is part of ActivityStreams Traits.
*
* Copyright © 2020 Riley Trautman
*
* ActivityStreams Traits is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* ActivityStreams Traits is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with ActivityStreams Traits. If not, see <http://www.gnu.org/licenses/>.
*/
use crate::object::Object;
/// An Activity is a subtype of `Object` that describes some form of action that may happen, is
/// currently happening, or has already happened.
///
/// The `Activity` type itself serves as an abstract base type for all types of activities. It is
/// important to note that the `Activity` type itself does not carry any specific semantics about
/// the kind of action being taken.
pub trait Activity: Object {}
/// Instances of `IntransitiveActivity` are a subtype of `Activity` representing intransitive
/// actions.
///
/// The `object` property is therefore inappropriate for these activities.
pub trait IntransitiveActivity: Activity {}

41
activitystreams-traits/src/actor.rs
View file

@ -1,41 +0,0 @@
/*
* This file is part of ActivityStreams Traits.
*
* Copyright © 2020 Riley Trautman
*
* ActivityStreams Traits is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* ActivityStreams Traits is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with ActivityStreams Traits. If not, see <http://www.gnu.org/licenses/>.
*/
use crate::object::Object;
/// `Actor` types are `Object` types that are capable of performing activities.
///
/// This specification intentionally defines `Actors` in only the most generalized way, stopping
/// short of defining semantically specific properties for each. All Actor objects are
/// specializations of `Object` and inherit all of the core properties common to all Objects.
/// External vocabularies can be used to express additional detail not covered by the Activity
/// Vocabulary. VCard [[vcard-rdf](https://www.w3.org/TR/vcard-rdf/) SHOULD be used to provide
/// additional metadata for `Person`, `Group`, and `Organization` instances.
///
/// While implementations are free to introduce new types of Actors beyond those defined by the
/// Activity Vocabulary, interoperability issues can arise when applications rely too much on
/// extension types that are not recognized by other implementations. Care should be taken to not
/// unduly overlap with or duplicate the existing `Actor` types.
///
/// When an implementation uses an extension type that overlaps with a core vocabulary type, the
/// implementation MUST also specify the core vocabulary type. For instance, some vocabularies
/// (e.g. VCard) define their own types for describing people. An implementation that wishes, for
/// example, to use a `vcard:Individual` as an `Actor` MUST also identify that `Actor` as a
/// `Person`.
pub trait Actor: Object {}

43
activitystreams-traits/src/collection.rs
View file

@ -1,43 +0,0 @@
/*
* This file is part of ActivityStreams Traits.
*
* Copyright © 2020 Riley Trautman
*
* ActivityStreams Traits is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* ActivityStreams Traits is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with ActivityStreams Traits. If not, see <http://www.gnu.org/licenses/>.
*/
use crate::object::Object;
/// A Collection is a subtype of `Object` that represents ordered or unordered sets of `Object` or
/// `Link` instances.
///
/// The items within a Collection can be ordered or unordered. The OrderedCollection type MAY be
/// used to identify a Collection whose items are always ordered. In the JSON serialization, the
/// unordered items of a Collection are represented using the items property while ordered items
/// are represented using the orderedItems property.
///
/// `UnorderedCollection` and `OrderedCollection` types are provided by the `activitystreams-types`
/// crate.
pub trait Collection: Object {}
/// Used to represent distinct subsets of items from a Collection.
///
/// A `Collection` can contain a large number of items. Often, it becomes impractical for an
/// implementation to serialize every item contained by a `Collection` using the items (or
/// `ordered_items`) property alone. In such cases, the items within a `Collection` can be divided
/// into distinct subsets or "pages". A page is identified using the `CollectionPage` type.
///
/// `UnorderedCollectionPage` and `OrderedCollectionPage` types are provied by the
/// `activitystreams-types` crate.
pub trait CollectionPage: Collection {}

73
activitystreams-traits/src/lib.rs
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@ -1,73 +0,0 @@
/*
* This file is part of ActivityStreams Traits.
*
* Copyright © 2020 Riley Trautman
*
* ActivityStreams Traits is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* ActivityStreams Traits is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with ActivityStreams Traits. If not, see <http://www.gnu.org/licenses/>.
*/
//! Traits for Activity Streams
//!
//! These traits don't provide any functionality other than anotations for types created in other
//! projects. See the `activitystreams-types` crate for examples of how these traits could be used.
//!
//! ## Examples
//!
//! ```rust
//! use activitystreams_traits::{Object, Actor};
//! use serde::{Deserialize, Serialize};
//! use std::any::Any;
//!
//! #[derive(Clone, Debug, Default, Deserialize, Serialize)]
//! #[serde(rename_all = "camelCase")]
//! pub struct Persona {
//! #[serde(rename = "@context")]
//! context: String,
//!
//! #[serde(rename = "type")]
//! kind: String,
//! }
//!
//! #[typetag::serde]
//! impl Object for Persona {
//! fn as_any(&self) -> &(dyn Any + 'static) {
//! self
//! }
//!
//! fn as_any_mut(&mut self) -> &mut (dyn Any + 'static) {
//! self
//! }
//!
//! fn duplicate(&self) -> Box<dyn Object + 'static> {
//! Box::new(self.clone())
//! }
//! }
//! impl Actor for Persona {}
//!
//! # fn main() {}
//! ```
mod activity;
mod actor;
mod collection;
mod link;
mod object;
pub use self::{
activity::{Activity, IntransitiveActivity},
actor::Actor,
collection::{Collection, CollectionPage},
link::Link,
object::Object,
};

37
activitystreams-traits/src/link.rs
View file

@ -1,37 +0,0 @@
/*
* This file is part of ActivityStreams Traits.
*
* Copyright © 2020 Riley Trautman
*
* ActivityStreams Traits is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* ActivityStreams Traits is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with ActivityStreams Traits. If not, see <http://www.gnu.org/licenses/>.
*/
use std::any::Any;
/// A Link is an indirect, qualified reference to a resource identified by a URL.
///
/// The fundamental model for links is established by
/// [[RFC5988](https://tools.ietf.org/html/rfc5988)]. Many of the properties defined by the
/// Activity Vocabulary allow values that are either instances of Object or Link. When a Link is
/// used, it establishes a qualified relation connecting the subject (the containing object) to the
/// resource identified by the href. Properties of the Link are properties of the reference as
/// opposed to properties of the resource.
#[typetag::serde(tag = "type")]
pub trait Link: std::fmt::Debug {
fn as_any(&self) -> &dyn Any;
fn as_any_mut(&mut self) -> &mut dyn Any;
fn duplicate(&self) -> Box<dyn Link>;
}

43
activitystreams-traits/src/object.rs
View file

@ -1,43 +0,0 @@
/*
* This file is part of ActivityStreams Traits.
*
* Copyright © 2020 Riley Trautman
*
* ActivityStreams Traits is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* ActivityStreams Traits is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with ActivityStreams Traits. If not, see <http://www.gnu.org/licenses/>.
*/
use std::any::Any;
/// Describes an object of any kind.
///
/// The Object type serves as the base type for most of the other kinds of objects defined in the
/// Activity Vocabulary, including other Core types such as `Activity`, `IntransitiveActivity`,
/// `Collection` and `OrderedCollection`.
#[typetag::serde(tag = "type")]
pub trait Object: std::fmt::Debug {
/// Provide an as_any method to allow for borrowed downcasting.
///
/// This is useful since Objects can be deserialized generically via typetag
fn as_any(&self) -> &dyn Any;
/// Provide an as_any method to allow for mutably borrowed downcasting.
///
/// This is useful since Objects can be deserialized generically via typetag
fn as_any_mut(&mut self) -> &mut dyn Any;
/// Provide a duplicate method to allow for cloning type objects.
///
/// This is useful since Objects can be deserialized generically via typetag
fn duplicate(&self) -> Box<dyn Object>;
}

16
src/activity/mod.rs
View file

@ -89,4 +89,18 @@ pub use self::{
#[cfg(feature = "kinds")]
pub mod kind;
pub use activitystreams_traits::{Activity, IntransitiveActivity};
use crate::object::Object;
/// An Activity is a subtype of `Object` that describes some form of action that may happen, is
/// currently happening, or has already happened.
///
/// The `Activity` type itself serves as an abstract base type for all types of activities. It is
/// important to note that the `Activity` type itself does not carry any specific semantics about
/// the kind of action being taken.
pub trait Activity: Object {}
/// Instances of `IntransitiveActivity` are a subtype of `Activity` representing intransitive
/// actions.
///
/// The `object` property is therefore inappropriate for these activities.
pub trait IntransitiveActivity: Activity {}

25
src/actor/mod.rs
View file

@ -20,7 +20,7 @@
//! Namespace for Actor types
#[cfg(feature = "types")]
use crate::object::{properties::ObjectProperties, Object};
use crate::object::properties::ObjectProperties;
#[cfg(feature = "types")]
use activitystreams_derive::PropRefs;
#[cfg(feature = "types")]
@ -31,7 +31,28 @@ pub mod kind;
#[cfg(feature = "types")]
use self::kind::*;
pub use activitystreams_traits::Actor;
use crate::object::Object;
/// `Actor` types are `Object` types that are capable of performing activities.
///
/// This specification intentionally defines `Actors` in only the most generalized way, stopping
/// short of defining semantically specific properties for each. All Actor objects are
/// specializations of `Object` and inherit all of the core properties common to all Objects.
/// External vocabularies can be used to express additional detail not covered by the Activity
/// Vocabulary. VCard [[vcard-rdf](https://www.w3.org/TR/vcard-rdf/) SHOULD be used to provide
/// additional metadata for `Person`, `Group`, and `Organization` instances.
///
/// While implementations are free to introduce new types of Actors beyond those defined by the
/// Activity Vocabulary, interoperability issues can arise when applications rely too much on
/// extension types that are not recognized by other implementations. Care should be taken to not
/// unduly overlap with or duplicate the existing `Actor` types.
///
/// When an implementation uses an extension type that overlaps with a core vocabulary type, the
/// implementation MUST also specify the core vocabulary type. For instance, some vocabularies
/// (e.g. VCard) define their own types for describing people. An implementation that wishes, for
/// example, to use a `vcard:Individual` as an `Actor` MUST also identify that `Actor` as a
/// `Person`.
pub trait Actor: Object {}
#[cfg(feature = "types")]
/// Describes a software application.

27
src/collection/mod.rs
View file

@ -20,7 +20,7 @@
//! Namespace for Collection types
#[cfg(feature = "types")]
use crate::object::{properties::ObjectProperties, Object};
use crate::object::properties::ObjectProperties;
#[cfg(feature = "types")]
use activitystreams_derive::PropRefs;
#[cfg(feature = "types")]
@ -35,7 +35,30 @@ use self::kind::*;
#[cfg(feature = "types")]
use self::properties::*;
pub use activitystreams_traits::{Collection, CollectionPage};
use crate::object::Object;
/// A Collection is a subtype of `Object` that represents ordered or unordered sets of `Object` or
/// `Link` instances.
///
/// The items within a Collection can be ordered or unordered. The OrderedCollection type MAY be
/// used to identify a Collection whose items are always ordered. In the JSON serialization, the
/// unordered items of a Collection are represented using the items property while ordered items
/// are represented using the orderedItems property.
///
/// `UnorderedCollection` and `OrderedCollection` types are provided by the `activitystreams-types`
/// crate.
pub trait Collection: Object {}
/// Used to represent distinct subsets of items from a Collection.
///
/// A `Collection` can contain a large number of items. Often, it becomes impractical for an
/// implementation to serialize every item contained by a `Collection` using the items (or
/// `ordered_items`) property alone. In such cases, the items within a `Collection` can be divided
/// into distinct subsets or "pages". A page is identified using the `CollectionPage` type.
///
/// `UnorderedCollectionPage` and `OrderedCollectionPage` types are provied by the
/// `activitystreams-types` crate.
pub trait CollectionPage: Collection {}
#[cfg(feature = "types")]
#[derive(Debug, Deserialize, Serialize)]

19
src/link/mod.rs
View file

@ -33,7 +33,24 @@ use self::kind::*;
#[cfg(feature = "types")]
use self::properties::*;
pub use activitystreams_traits::Link;
use std::any::Any;
/// A Link is an indirect, qualified reference to a resource identified by a URL.
///
/// The fundamental model for links is established by
/// [[RFC5988](https://tools.ietf.org/html/rfc5988)]. Many of the properties defined by the
/// Activity Vocabulary allow values that are either instances of Object or Link. When a Link is
/// used, it establishes a qualified relation connecting the subject (the containing object) to the
/// resource identified by the href. Properties of the Link are properties of the reference as
/// opposed to properties of the resource.
#[typetag::serde(tag = "type")]
pub trait Link: std::fmt::Debug {
fn as_any(&self) -> &dyn Any;
fn as_any_mut(&mut self) -> &mut dyn Any;
fn duplicate(&self) -> Box<dyn Link>;
}
#[cfg(feature = "types")]
#[derive(Debug, Deserialize, Serialize)]

25
src/object/mod.rs
View file

@ -33,7 +33,30 @@ use self::kind::*;
#[cfg(feature = "types")]
use self::properties::*;
pub use activitystreams_traits::Object;
use std::any::Any;
/// Describes an object of any kind.
///
/// The Object type serves as the base type for most of the other kinds of objects defined in the
/// Activity Vocabulary, including other Core types such as `Activity`, `IntransitiveActivity`,
/// `Collection` and `OrderedCollection`.
#[typetag::serde(tag = "type")]
pub trait Object: std::fmt::Debug {
/// Provide an as_any method to allow for borrowed downcasting.
///
/// This is useful since Objects can be deserialized generically via typetag
fn as_any(&self) -> &dyn Any;
/// Provide an as_any method to allow for mutably borrowed downcasting.
///
/// This is useful since Objects can be deserialized generically via typetag
fn as_any_mut(&mut self) -> &mut dyn Any;
/// Provide a duplicate method to allow for cloning type objects.
///
/// This is useful since Objects can be deserialized generically via typetag
fn duplicate(&self) -> Box<dyn Object>;
}
#[cfg(feature = "types")]
#[derive(Clone, Debug, Deserialize, Serialize)]