Continue #29, Rust files can now be loaded with {{#playpen file.rs}}, they will be displayed as other code snippets included with markdown backticks except they have a playpen css class
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@ -73,7 +73,7 @@ impl Renderer for HtmlHandlebars {
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// Parse for playpen links
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if let Some(p) = path.parent() {
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helpers::playpen::render_playpen(&mut content, p);
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content = helpers::playpen::render_playpen(&content, p);
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}
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// Render markdown using the pulldown-cmark crate
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@ -1,11 +1,15 @@
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extern crate handlebars;
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use std::path::{Path, PathBuf};
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use std::fs::File;
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use std::io::Read;
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pub fn render_playpen(s: &mut str, path: &Path) {
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pub fn render_playpen(s: &str, path: &Path) -> String {
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// When replacing one thing in a string by something with a different length, the indices
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// after that will not correspond, we therefore have to store the difference to correct this
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let difference_index = 0;
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let mut previous_end_index = 0;
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let mut replaced = String::new();
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for playpen in find_playpens(s, path) {
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@ -20,15 +24,23 @@ pub fn render_playpen(s: &mut str, path: &Path) {
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let mut file_content = String::new();
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if let Err(_) = file.read_to_string(&mut file_content) { continue };
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let replacement = String::new() + "<pre class=\"playpen\"><code class=\"language-rust\">" + &file_content + "</code></pre>";
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replaced.push_str(&s[previous_end_index..playpen.start_index]);
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replaced.push_str(&replacement);
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previous_end_index = playpen.end_index;
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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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replaced.push_str(&s[previous_end_index..]);
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replaced
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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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start_index: usize,
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end_index: usize,
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rust_file: PathBuf,
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editable: bool
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}
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@ -59,8 +71,8 @@ fn find_playpens(s: &str, base_path: &Path) -> Vec<Playpen> {
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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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start_index: i,
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end_index: end_i,
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rust_file: base_path.join(PathBuf::from(params[0])),
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editable: editable,
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}
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