Start implementing #29 support for embedding playpen, implemented the function that parses the markdown to find playpen links

This commit is contained in:
Mathieu David 2015-12-30 22:40:23 +01:00
parent 9c5c8a6804
commit ee4a7fb35c
3 changed files with 55 additions and 0 deletions

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@ -72,6 +72,7 @@ impl Renderer for HtmlHandlebars {
try!(f.read_to_string(&mut content));
// Render markdown using the pulldown-cmark crate
helpers::playpen::render_playpen(&mut content);
content = utils::render_markdown(&content);
print_content.push_str(&content);

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@ -1,2 +1,3 @@
pub mod navigation;
pub mod toc;
pub mod playpen;

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@ -0,0 +1,53 @@
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);
}
}
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
}