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upub/apb/src/link.rs

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2.5 KiB
Rust

crate::strenum! {
pub enum LinkType {
Link,
Mention;
};
}
pub trait Link : super::Base {
fn href(&self) -> &str;
fn rel(&self) -> Option<&str> { None }
fn link_media_type(&self) -> Option<&str> { None } // also in obj
fn link_name(&self) -> Option<&str> { None } // also in obj
fn hreflang(&self) -> Option<&str> { None }
fn height(&self) -> Option<u64> { None }
fn width(&self) -> Option<u64> { None }
fn link_preview(&self) -> Option<&str> { None } // also in obj
}
pub trait LinkMut : super::BaseMut {
fn set_href(self, href: &str) -> Self;
fn set_rel(self, val: Option<&str>) -> Self;
fn set_link_media_type(self, val: Option<&str>) -> Self; // also in obj
fn set_link_name(self, val: Option<&str>) -> Self; // also in obj
fn set_hreflang(self, val: Option<&str>) -> Self;
fn set_height(self, val: Option<u64>) -> Self;
fn set_width(self, val: Option<u64>) -> Self;
fn set_link_preview(self, val: Option<&str>) -> Self; // also in obj
}
impl Link for String {
fn href(&self) -> &str {
self
}
}
#[cfg(feature = "unstructured")]
impl Link for serde_json::Value {
// TODO this can fail, but it should never do!
fn href(&self) -> &str {
match self {
serde_json::Value::String(x) => x,
serde_json::Value::Object(map) =>
map.get("href")
.map(|h| h.as_str().unwrap_or(""))
.unwrap_or(""),
_ => {
tracing::error!("failed getting href on invalid json Link object");
""
},
}
}
crate::getter! { rel -> &str }
crate::getter! { link_media_type::mediaType -> &str }
crate::getter! { link_name::name -> &str }
crate::getter! { hreflang -> &str }
crate::getter! { height -> u64 }
crate::getter! { width -> u64 }
crate::getter! { link_preview::preview -> &str }
}
#[cfg(feature = "unstructured")]
impl LinkMut for serde_json::Value {
// TODO this can fail, but it should never do!
fn set_href(mut self, href: &str) -> Self {
match &mut self {
serde_json::Value::String(x) => *x = href.to_string(),
serde_json::Value::Object(map) => {
map.insert(
"href".to_string(),
serde_json::Value::String(href.to_string())
);
},
_ => tracing::error!("failed setting href on invalid json Link object"),
}
self
}
crate::setter! { rel -> &str }
crate::setter! { link_media_type::mediaType -> &str }
crate::setter! { link_name::name -> &str }
crate::setter! { hreflang -> &str }
crate::setter! { height -> u64 }
crate::setter! { width -> u64 }
crate::setter! { link_preview::preview -> &str }
}