80 lines
2 KiB
Rust
80 lines
2 KiB
Rust
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/// A page, can be a blog post or a basic page
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use std::collections::HashMap;
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use pulldown_cmark as cmark;
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use regex::Regex;
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use toml::Parser;
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use errors::{Result, ErrorKind};
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lazy_static! {
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static ref DELIM_RE: Regex = Regex::new(r"\+\+\+\s*\r?\n").unwrap();
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}
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#[derive(Debug, PartialEq)]
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struct Page {
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// <title> of the page
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title: String,
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// the url the page appears at (slug form)
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url: String,
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// the actual content of the page
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content: String,
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// tags, not to be confused with categories
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tags: Vec<String>,
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// any extra parameter present in the front matter
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// it will be passed to the template context
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extra: HashMap<String, String>,
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// only one category allowed
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category: Option<String>,
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// optional date if we want to order pages (ie block)
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date: Option<bool>,
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// optional layout, if we want to specify which html to render for that page
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layout: Option<String>,
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// description that appears when linked, e.g. on twitter
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description: Option<String>,
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}
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impl Page {
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// Parse a page given the content of the .md file
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// Files without front matter or with invalid front matter are considered
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// erroneous
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pub fn from_str(filename: &str, content: &str) -> Result<()> {
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// 1. separate front matter from content
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if !DELIM_RE.is_match(content) {
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return Err(ErrorKind::InvalidFrontMatter(filename.to_string()).into());
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}
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// 2. extract the front matter and the content
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let splits: Vec<&str> = DELIM_RE.splitn(content, 2).collect();
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let front_matter = splits[0];
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let content = splits[1];
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// 2. parse front matter
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let mut parser = Parser::new(&front_matter);
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if let Some(value) = parser.parse() {
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} else {
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// TODO: handle error in parsing TOML
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println!("parse errors: {:?}", parser.errors);
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}
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Ok(())
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn test_can_extract_front_matter() {
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}
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}
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