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