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f8985c5521
Remove the `ucd` dependency which has not been updated in 8 years. In addition, replace it with a generated UnicodeBlock enum which reflects the modern Unicode standard. This is generated via a Python script which is included in the repository. The generation is not part of the build process, because the Unicode database is hosted on the web and it does not change the frequently. This is done instead of bringing in the more up-to-date `unicode_blocks` dependency. `unicode_blocks` defines each block as constant, which means that they cannot be used in match statements -- which we do in Servo. Co-authored-by: Lauryn Menard <lauryn.menard@gmail.com>
48 lines
1.3 KiB
Rust
48 lines
1.3 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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#![deny(unsafe_code)]
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//! A crate to hold very common types in Servo.
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//!
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//! You should almost never need to add a data type to this crate. Instead look for
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//! a more shared crate that has fewer dependents.
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pub mod generic_channel;
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pub mod id;
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pub mod print_tree;
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pub mod text;
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mod unicode_block;
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use serde::{Deserialize, Serialize};
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use webrender_api::Epoch as WebRenderEpoch;
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/// A struct for denoting the age of messages; prevents race conditions.
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#[derive(Clone, Copy, Debug, Deserialize, Eq, Hash, Ord, PartialEq, PartialOrd, Serialize)]
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pub struct Epoch(pub u32);
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impl Epoch {
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pub fn next(&mut self) {
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self.0 += 1;
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}
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}
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impl From<Epoch> for WebRenderEpoch {
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fn from(val: Epoch) -> Self {
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WebRenderEpoch(val.0)
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}
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}
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pub trait WebRenderEpochToU16 {
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fn as_u16(&self) -> u16;
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}
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impl WebRenderEpochToU16 for WebRenderEpoch {
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/// The value of this [`Epoch`] as a u16 value. Note that if this Epoch's
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/// value is more than u16::MAX, then the return value will be modulo
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/// u16::MAX.
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fn as_u16(&self) -> u16 {
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(self.0 % u16::MAX as u32) as u16
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}
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}
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