mdBook/src/renderer/html_handlebars/helpers/playpen.rs

105 lines
2.9 KiB
Rust

use std::path::{Path, PathBuf};
pub fn render_playpen(s: &mut str) {
for playpen in find_playpens(s) {
println!("Playpen{{ {}, {}, {:?}, {} }}", playpen.start_index, playpen.end_index, playpen.rust_file, playpen.editable);
}
}
#[derive(PartialOrd, PartialEq, Debug)]
struct Playpen{
start_index: u32,
end_index: u32,
rust_file: PathBuf,
editable: bool
}
fn find_playpens(s: &str) -> Vec<Playpen> {
let mut playpens = vec![];
for (i, _) in s.match_indices("{{#playpen") {
println!("[*]: find_playpen");
// DON'T forget the "+ i" else you have an index out of bounds error !!
let end_i = if let Some(n) = s[i..].find("}}") { n } else { continue } + i + 2;
println!("s[{}..{}] = {}", i, end_i, s[i..end_i].to_string());
// If there is nothing between "{{#playpen" and "}}" skip
if end_i-2 - (i+10) < 1 { continue }
if s[i+10..end_i-2].trim().len() == 0 { continue }
println!("{}", s[i+10..end_i-2].to_string());
// Split on whitespaces
let params: Vec<&str> = s[i+10..end_i-2].split_whitespace().collect();
let mut editable = false;
if params.len() > 1 {
editable = if let Some(_) = params[1].find("editable") {true} else {false};
}
playpens.push(
Playpen{
start_index: i as u32,
end_index: end_i as u32,
rust_file: PathBuf::from(params[0]),
editable: editable,
}
)
}
playpens
}
//
//---------------------------------------------------------------------------------
// Tests
//
#[test]
fn test_find_playpens_no_playpen() {
let s = "Some random text without playpen...";
assert!(find_playpens(s) == vec![]);
}
#[test]
fn test_find_playpens_partial_playpen() {
let s = "Some random text with {{#playpen...";
assert!(find_playpens(s) == vec![]);
}
#[test]
fn test_find_playpens_empty_playpen() {
let s = "Some random text with {{#playpen}} and {{#playpen }}...";
assert!(find_playpens(s) == vec![]);
}
#[test]
fn test_find_playpens_simple_playpen() {
let s = "Some random text with {{#playpen file.rs}} and {{#playpen test.rs }}...";
println!("\nOUTPUT: {:?}\n", find_playpens(s));
assert!(find_playpens(s) == vec![
Playpen{start_index: 22, end_index: 42, rust_file: PathBuf::from("file.rs"), editable: false},
Playpen{start_index: 47, end_index: 68, rust_file: PathBuf::from("test.rs"), editable: false}
]);
}
#[test]
fn test_find_playpens_complex_playpen() {
let s = "Some random text with {{#playpen file.rs editable}} and {{#playpen test.rs editable }}...";
println!("\nOUTPUT: {:?}\n", find_playpens(s));
assert!(find_playpens(s) == vec![
Playpen{start_index: 22, end_index: 51, rust_file: PathBuf::from("file.rs"), editable: true},
Playpen{start_index: 56, end_index: 86, rust_file: PathBuf::from("test.rs"), editable: true}
]);
}