abc9810e2b
Yet another refactor to let us implement the many-to-many mapping
between codes and rules in a prefix-agnostic way.
We want to break up the RuleCodePrefix[1] enum into smaller enums.
To facilitate that this commit introduces a new wrapping type around
RuleCodePrefix so that we can start breaking it apart.
[1]: Actually `RuleCodePrefix` is the previous name of the autogenerated
enum ... I renamed it in b19258a243 to
RuleSelector since `ALL` isn't a prefix. This commit now renames it back
but only because the new `RuleSelector` wrapper type, introduced in this
commit, will let us move the `ALL` variant from `RuleCodePrefix` to
`RuleSelector` in the next commit.
69 lines
1.7 KiB
Rust
69 lines
1.7 KiB
Rust
use std::str::FromStr;
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use schemars::JsonSchema;
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use serde::{Deserialize, Serialize};
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use crate::registry::{Rule, RuleCodePrefix};
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#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Serialize, Deserialize)]
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pub struct RuleSelector(RuleCodePrefix);
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impl FromStr for RuleSelector {
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type Err = strum::ParseError;
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fn from_str(s: &str) -> Result<Self, Self::Err> {
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Ok(Self(RuleCodePrefix::from_str(s)?))
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}
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}
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impl From<RuleCodePrefix> for RuleSelector {
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fn from(prefix: RuleCodePrefix) -> Self {
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Self(prefix)
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}
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}
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impl IntoIterator for &RuleSelector {
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type IntoIter = ::std::vec::IntoIter<Self::Item>;
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type Item = Rule;
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fn into_iter(self) -> Self::IntoIter {
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self.0.into_iter()
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}
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}
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/// A const alternative to the `impl From<RuleCodePrefix> for RuleSelector`
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// to let us keep the fields of RuleSelector private.
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// Note that Rust doesn't yet support `impl const From<RuleCodePrefix> for
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// RuleSelector` (see https://github.com/rust-lang/rust/issues/67792).
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// TODO(martin): Remove once RuleSelector is an enum with Linter & Rule variants
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pub(crate) const fn prefix_to_selector(prefix: RuleCodePrefix) -> RuleSelector {
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RuleSelector(prefix)
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}
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impl JsonSchema for RuleSelector {
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fn schema_name() -> String {
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"RuleSelector".to_string()
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}
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fn json_schema(gen: &mut schemars::gen::SchemaGenerator) -> schemars::schema::Schema {
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<RuleCodePrefix as JsonSchema>::json_schema(gen)
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}
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}
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impl RuleSelector {
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pub(crate) fn specificity(&self) -> Specificity {
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self.0.specificity()
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}
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}
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#[derive(PartialEq, Eq, PartialOrd, Ord)]
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pub(crate) enum Specificity {
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All,
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Linter,
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Code1Char,
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Code2Chars,
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Code3Chars,
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Code4Chars,
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Code5Chars,
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}
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