Files
dioxus/packages/core/src.old/nodes/template.rs
T

79 lines
2.0 KiB
Rust

use std::{cell::Cell, hash::Hash};
use crate::{Attribute, ElementId, Listener, VNode};
/// A reference to a template along with any context needed to hydrate it
pub struct VTemplate<'a> {
pub key: Option<&'a str>,
// The ID assigned for all nodes in this template
pub node_id: Cell<ElementId>,
// All the IDs for the roots of this template
// Non-assigned IDs are set to 0
pub root_ids: &'a [Cell<ElementId>],
pub template: Template<'static>,
/// All the non-root dynamic nodes
pub dynamic_nodes: &'a [NodeLocation<'a>],
pub dynamic_attrs: &'a [AttributeLocation<'a>],
pub listeners: &'a [Listener<'a>],
}
/// A template that is created at compile time
#[derive(Clone, Copy)]
pub struct Template<'a> {
/// name, line, col, or some sort of identifier
pub id: &'static str,
/// All the roots of the template. ie rsx! { div {} div{} } would have two roots
pub roots: &'a [TemplateNode<'a>],
}
impl<'a> Eq for Template<'a> {}
impl<'a> PartialEq for Template<'a> {
fn eq(&self, other: &Self) -> bool {
self.id == other.id
}
}
impl<'a> Hash for Template<'a> {
fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
self.id.hash(state);
}
}
/// A weird-ish variant of VNodes with way more limited types
pub enum TemplateNode<'a> {
/// A simple element
Element {
tag: &'static str,
namespace: Option<&'static str>,
attrs: &'a [TemplateAttribute<'a>],
children: &'a [TemplateNode<'a>],
},
Text(&'static str),
Dynamic(usize),
}
pub struct TemplateAttribute<'a> {
pub name: &'static str,
pub value: &'a str,
pub namespace: Option<&'static str>,
pub volatile: bool,
}
pub struct AttributeLocation<'a> {
pub pathway: &'static [u8],
pub mounted_element: Cell<ElementId>,
pub attrs: &'a [Attribute<'a>],
pub listeners: &'a [Listener<'a>],
}
pub struct NodeLocation<'a> {
pub pathway: &'static [u8],
pub node: VNode<'a>,
}