Manuel Cillero
7292f3d225
- Incluye los recursos favicon, hojas de estilo y scripts JavaScript. - Se introduce una estructura de contexto que, además de gestionar el idioma y el uso de parámetros contextuales, permite administrar estos recursos en documentos HTML.
63 lines
1.6 KiB
Rust
63 lines
1.6 KiB
Rust
pub mod favicon;
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pub mod javascript;
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pub mod stylesheet;
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use crate::html::{html, Markup, Render};
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use crate::{AutoDefault, Weight};
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pub trait AssetsTrait: Render {
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// Devuelve el nombre del recurso, utilizado como clave única.
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fn name(&self) -> &str;
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// Devuelve el peso del recurso, durante el renderizado se procesan de menor a mayor peso.
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fn weight(&self) -> Weight;
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}
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#[derive(AutoDefault)]
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pub(crate) struct Assets<T>(Vec<T>);
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impl<T: AssetsTrait> Assets<T> {
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pub fn new() -> Self {
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Assets::<T>(Vec::<T>::new())
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}
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pub fn add(&mut self, asset: T) -> bool {
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match self.0.iter().position(|x| x.name() == asset.name()) {
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Some(index) => {
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if self.0[index].weight() > asset.weight() {
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self.0.remove(index);
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self.0.push(asset);
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true
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} else {
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false
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}
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}
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_ => {
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self.0.push(asset);
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true
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}
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}
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}
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pub fn remove(&mut self, name: impl AsRef<str>) -> bool {
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if let Some(index) = self.0.iter().position(|x| x.name() == name.as_ref()) {
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self.0.remove(index);
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true
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} else {
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false
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}
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}
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}
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impl<T: AssetsTrait> Render for Assets<T> {
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fn render(&self) -> Markup {
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let mut assets = self.0.iter().collect::<Vec<_>>();
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assets.sort_by_key(|a| a.weight());
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html! {
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@for a in assets {
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(a.render())
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}
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}
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}
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}
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