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docs: document internal Path fields

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This commit is contained in:
Rob Ede 2023-12-23 18:49:17 +00:00
parent ede0201aa4
commit fdef224a06
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GPG key ID: 97C636207D3EF933
1 changed files with 15 additions and 6 deletions
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21
actix-router/src/path.rs
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@ -3,7 +3,7 @@ use std::{
ops::{DerefMut, Index},
};
use serde::de;
use serde::{de, Deserialize};
use crate::{de::PathDeserializer, Resource, ResourcePath};
@ -24,8 +24,13 @@ impl Default for PathItem {
/// If resource path contains variable patterns, `Path` stores them.
#[derive(Debug, Clone, Default)]
pub struct Path<T> {
/// Full path representation.
path: T,
/// Number of characters in `path` that have been processed into `segments`.
pub(crate) skip: u16,
/// List of processed dynamic segments; name->value pairs.
pub(crate) segments: Vec<(Cow<'static, str>, PathItem)>,
}
@ -83,8 +88,8 @@ impl<T: ResourcePath> Path<T> {
/// Set new path.
#[inline]
pub fn set(&mut self, path: T) {
self.skip = 0;
self.path = path;
self.skip = 0;
self.segments.clear();
}
@ -103,7 +108,7 @@ impl<T: ResourcePath> Path<T> {
pub(crate) fn add(&mut self, name: impl Into<Cow<'static, str>>, value: PathItem) {
match value {
PathItem::Static(s) => self.segments.push((name.into(), PathItem::Static(s))),
PathItem::Static(seg) => self.segments.push((name.into(), PathItem::Static(seg))),
PathItem::Segment(begin, end) => self.segments.push((
name.into(),
PathItem::Segment(self.skip + begin, self.skip + end),
@ -168,9 +173,13 @@ impl<T: ResourcePath> Path<T> {
}
}
/// Try to deserialize matching parameters to a specified type `U`
pub fn load<'de, U: serde::Deserialize<'de>>(&'de self) -> Result<U, de::value::Error> {
de::Deserialize::deserialize(PathDeserializer::new(self))
/// Deserializes matching parameters to a specified type `U`.
///
/// # Errors
///
/// Returns error when dynamic path segments cannot be deserialized into a `U` type.
pub fn load<'de, U: Deserialize<'de>>(&'de self) -> Result<U, de::value::Error> {
Deserialize::deserialize(PathDeserializer::new(self))
}
}