talexander/duster
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Cleaning up

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This commit is contained in:
Tom Alexander 2020-04-11 22:36:22 -04:00
parent 47bb055b67
commit dbfa7ea4dc
Signed by: talexander
GPG Key ID: D3A179C9A53C0EDE
1 changed files with 13 additions and 29 deletions
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42
src/renderer/renderer.rs
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@ -5,6 +5,7 @@ use crate::parser::TemplateElement;
use crate::renderer::errors::CompileError;
use crate::renderer::errors::RenderError;
use crate::renderer::renderable::Renderable;
use crate::renderer::walkable::ContextElement;
use crate::renderer::walkable::Walkable;
use std::collections::HashMap;
use std::ops::Index;
@ -95,23 +96,19 @@ impl<'a> DustRenderer<'a> {
}
}
// fn walk_path<'a, C>(context: &'a C, path: &Vec<&str>) -> &'a C
// where
// C: Walkable<Output = C>,
// {
// let mut output: &C = context;
fn walk_path<'a>(context: &'a dyn ContextElement, path: &Vec<&str>) -> &'a dyn ContextElement {
let mut output = context;
// for elem in path.iter() {
// output = context.walk(elem);
// }
for elem in path.iter() {
output = output.walk(elem);
}
// output
// }
output
}
#[cfg(test)]
mod tests {
use super::*;
use crate::renderer::walkable::ContextElement;
impl ContextElement for u32 {}
impl ContextElement for &str {}
@ -142,30 +139,17 @@ mod tests {
}
impl Walkable for &str {
fn walk(&self, segment: &str) -> &dyn ContextElement {
fn walk(&self, _segment: &str) -> &dyn ContextElement {
panic!("Tried to walk down a str");
}
}
impl Walkable for u32 {
fn walk(&self, segment: &str) -> &dyn ContextElement {
fn walk(&self, _segment: &str) -> &dyn ContextElement {
panic!("Tried to walk down a str");
}
}
fn do_the_walk<'a>(
context: &'a dyn ContextElement,
path: &Vec<&str>,
) -> &'a dyn ContextElement {
let mut output = context;
for elem in path.iter() {
output = output.walk(elem);
}
output
}
#[test]
fn test_walk_path() {
let context: HashMap<&str, &str> =
@ -185,10 +169,10 @@ mod tests {
.iter()
.cloned()
.collect();
assert_eq!(do_the_walk(&context, &vec!["cat"]).render(), "kitty");
assert_eq!(do_the_walk(&number_context, &vec!["tiger"]).render(), "3");
assert_eq!(walk_path(&context, &vec!["cat"]).render(), "kitty");
assert_eq!(walk_path(&number_context, &vec!["tiger"]).render(), "3");
assert_eq!(
do_the_walk(&deep_context, &vec!["tiger", "food"]).render(),
walk_path(&deep_context, &vec!["tiger", "food"]).render(),
"people"
);
}