28 lines
979 B
Rust
28 lines
979 B
Rust
use crate::parser::Filter;
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use crate::renderer::errors::RenderError;
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use crate::renderer::errors::WalkError;
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use std::fmt::Debug;
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pub trait ContextElement: Debug + Walkable + Renderable + Loopable {}
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pub trait Walkable {
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fn walk(&self, segment: &str) -> Result<&dyn ContextElement, WalkError>;
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}
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pub trait Renderable {
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fn render(&self, filters: &Vec<Filter>) -> Result<String, RenderError>;
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}
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pub trait Loopable {
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/// Return the elements for a Dust section
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///
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/// Sections in dust are accomplished with the {#path} syntax. A
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/// section has a truthiness check performed on it. If that
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/// truthiness check fails, then it will render the
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/// else-block. Otherwise if its a scalar value it will render
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/// once with the context being the element at that path. Finally,
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/// if its an array-like value then it will render n-times, once
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/// for each element of the array.
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fn get_loop_elements(&self) -> Vec<&dyn ContextElement>;
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}
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