110 lines
3.0 KiB
Rust
110 lines
3.0 KiB
Rust
use serde::Serialize;
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pub mod jsonld;
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pub mod webfinger;
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trait ContentType: Serialize {
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fn mime_type(&self) -> &'static str;
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}
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macro_rules! content_type {
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($visib:vis $typ:ident, $expression:expr) => {
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#[derive(Copy, Clone, Eq, PartialEq, Debug, Default)]
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$visib struct $typ;
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impl AsRef<str> for $typ {
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fn as_ref(&self) -> &'static str {
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$expression
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}
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}
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impl Serialize for $typ {
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fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
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serializer.serialize_str($expression)
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}
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}
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impl ContentType for $typ {
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fn mime_type(&self) -> &'static str {
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$expression
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}
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}
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impl<'de> Deserialize<'de> for $typ {
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fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
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let content_type = String::deserialize(deserializer)?;
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if matches!(content_type.as_ref(), $expression) {
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Ok(Self)
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} else {
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Err(Error::custom(format!(
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"Invalid content type: {content_type}"
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)))
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}
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}
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}
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};
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}
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pub mod content_type {
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use crate::web_model::ContentType;
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use serde::de::Error;
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use serde::{Deserialize, Deserializer, Serialize, Serializer};
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content_type!(pub ContentActivityPlusJson, "application/activity+json");
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content_type!(pub ContentHtml, "text/html");
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}
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macro_rules! link_rel {
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($visib:vis $typ:ident, $expression:expr) => {
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#[derive(Copy, Clone, Eq, PartialEq, Debug, Default)]
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$visib struct $typ;
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impl AsRef<str> for $typ {
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fn as_ref(&self) -> &'static str {
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$expression
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}
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}
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impl Serialize for $typ {
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fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
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serializer.serialize_str($expression)
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}
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}
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impl Rel for $typ {
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fn rel(&self) -> &'static str {
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$expression
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}
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}
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impl<'de> Deserialize<'de> for $typ {
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fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
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let rel = String::deserialize(deserializer)?;
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if matches!(rel.as_ref(), $expression) {
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Ok(Self)
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} else {
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Err(Error::custom(format!(
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"Invalid rel: {rel}"
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)))
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}
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}
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}
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};
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}
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trait Rel: Serialize {
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fn rel(&self) -> &'static str;
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}
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pub mod rel {
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use crate::web_model::Rel;
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use serde::de::Error;
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use serde::{Deserialize, Deserializer, Serialize, Serializer};
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link_rel!(pub RelWebFingerProfilePage, "http://webfinger.net/rel/profile-page");
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link_rel!(pub RelSelf, "self");
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link_rel!(pub RelOStatusSubscribe, "http://ostatus.org/schema/1.0/subscribe");
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}
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