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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/// List of possible interests for a domain. Domains can have be associated with one or multiple
/// interests. `Inconclusive` is used for domains in the user's top sites that we can't classify
/// because there's no corresponding entry in the interest database.
#[derive(Clone, Copy, Debug, Hash, PartialEq, Eq, PartialOrd, Ord)]
#[repr(u32)]
pub enum Interest {
Animals,
Arts,
Autos,
Business,
Career,
Education,
Fashion,
Finance,
Food,
Government,
Health,
Hobbies,
Home,
News,
RealEstate,
Society,
Sports,
Tech,
Travel,
Inconclusive,
}
impl From<Interest> for u32 {
fn from(interest: Interest) -> Self {
interest as u32
}
}
impl From<Interest> for usize {
fn from(interest: Interest) -> Self {
interest as usize
}
}
impl From<u32> for Interest {
fn from(code: u32) -> Self {
if code as usize > Self::COUNT {
panic!("Invalid interest code: {code}")
}
// Safety: This is safe since Interest has a u32 representation and we've done a bounds
// check
unsafe { std::mem::transmute(code) }
}
}
impl Interest {
const COUNT: usize = 20;
pub fn all() -> [Interest; Self::COUNT] {
[
Self::Animals,
Self::Arts,
Self::Autos,
Self::Business,
Self::Career,
Self::Education,
Self::Fashion,
Self::Finance,
Self::Food,
Self::Government,
Self::Health,
Self::Hobbies,
Self::Home,
Self::News,
Self::RealEstate,
Self::Society,
Self::Sports,
Self::Tech,
Self::Travel,
Self::Inconclusive,
]
}
}
/// Vector storing a count value for each interest
///
/// Here "vector" refers to the mathematical object, not a Rust `Vec`. It always has a fixed
/// number of elements.
#[derive(Debug, Default, PartialEq, Eq)]
pub struct InterestVector {
pub animals: u32,
pub arts: u32,
pub autos: u32,
pub business: u32,
pub career: u32,
pub education: u32,
pub fashion: u32,
pub finance: u32,
pub food: u32,
pub government: u32,
pub health: u32,
pub hobbies: u32,
pub home: u32,
pub news: u32,
pub real_estate: u32,
pub society: u32,
pub sports: u32,
pub tech: u32,
pub travel: u32,
pub inconclusive: u32,
}
impl std::ops::Index<Interest> for InterestVector {
type Output = u32;
fn index(&self, index: Interest) -> &u32 {
match index {
Interest::Animals => &self.animals,
Interest::Arts => &self.arts,
Interest::Autos => &self.autos,
Interest::Business => &self.business,
Interest::Career => &self.career,
Interest::Education => &self.education,
Interest::Fashion => &self.fashion,
Interest::Finance => &self.finance,
Interest::Food => &self.food,
Interest::Government => &self.government,
Interest::Health => &self.health,
Interest::Hobbies => &self.hobbies,
Interest::Home => &self.home,
Interest::News => &self.news,
Interest::RealEstate => &self.real_estate,
Interest::Society => &self.society,
Interest::Sports => &self.sports,
Interest::Tech => &self.tech,
Interest::Travel => &self.travel,
Interest::Inconclusive => &self.inconclusive,
}
}
}
impl std::ops::IndexMut<Interest> for InterestVector {
fn index_mut(&mut self, index: Interest) -> &mut u32 {
match index {
Interest::Animals => &mut self.animals,
Interest::Arts => &mut self.arts,
Interest::Autos => &mut self.autos,
Interest::Business => &mut self.business,
Interest::Career => &mut self.career,
Interest::Education => &mut self.education,
Interest::Fashion => &mut self.fashion,
Interest::Finance => &mut self.finance,
Interest::Food => &mut self.food,
Interest::Government => &mut self.government,
Interest::Health => &mut self.health,
Interest::Hobbies => &mut self.hobbies,
Interest::Home => &mut self.home,
Interest::News => &mut self.news,
Interest::RealEstate => &mut self.real_estate,
Interest::Society => &mut self.society,
Interest::Sports => &mut self.sports,
Interest::Tech => &mut self.tech,
Interest::Travel => &mut self.travel,
Interest::Inconclusive => &mut self.inconclusive,
}
}
}
|
