95 lines
2.3 KiB
Rust
95 lines
2.3 KiB
Rust
/*
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* This file is part of ActivityStreams Types.
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*
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* Copyright © 2020 Riley Trautman
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*
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* ActivityStreams Types is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* ActivityStreams Types is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with ActivityStreams Types. If not, see <http://www.gnu.org/licenses/>.
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*/
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//! Namespace for Link types
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use activitystreams_derive::PropRefs;
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use activitystreams_traits::Link;
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use serde::{Deserialize, Serialize};
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pub mod kind;
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pub mod properties;
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use self::kind::*;
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use self::properties::*;
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/// The Link Extension Trait
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///
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/// This trait provides generic access to a link's properties
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pub trait LinkExt: Link {
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fn props(&self) -> &LinkProperties;
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fn props_mut(&mut self) -> &mut LinkProperties;
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}
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#[derive(Debug, Deserialize, Serialize)]
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#[serde(transparent)]
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pub struct LinkBox(pub Box<dyn Link>);
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/// A specialized Link that represents an @mention.
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#[derive(Clone, Debug, Default, Deserialize, PropRefs, Serialize)]
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#[serde(rename_all = "camelCase")]
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pub struct Mention {
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#[serde(rename = "type")]
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#[serde(alias = "objectType")]
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#[serde(alias = "verb")]
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kind: MentionType,
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/// Adds all valid link properties to this struct
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#[serde(flatten)]
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#[activitystreams(Link)]
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pub link_props: LinkProperties,
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}
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impl LinkBox {
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pub fn is<T>(&self) -> bool
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where
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T: Link + 'static,
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{
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self.0.as_any().is::<T>()
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}
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pub fn downcast_ref<T>(&self) -> Option<&T>
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where
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T: Link + 'static,
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{
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self.0.as_any().downcast_ref()
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}
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pub fn downcast_mut<T>(&mut self) -> Option<&mut T>
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where
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T: Link + 'static,
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{
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self.0.as_any_mut().downcast_mut()
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}
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}
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impl Clone for LinkBox {
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fn clone(&self) -> Self {
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LinkBox(self.0.duplicate())
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}
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}
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impl<T> From<T> for LinkBox
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where
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T: Link + 'static,
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{
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fn from(t: T) -> Self {
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LinkBox(Box::new(t))
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}
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}
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