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use crate::directive::{DirectiveError, DirectiveImplementation, Processed};
use crate::page::PageMeta;
use crate::site::Site;
use crate::time::parse_timestamp;
use crate::wikitext::ParsedDirective;
use std::path::PathBuf;
#[derive(Default, Debug, Eq, PartialEq)]
pub struct Meta {
title: Option<String>,
date: Option<String>,
link: PathBuf,
}
impl DirectiveImplementation for Meta {
const REQUIRED: &'static [&'static str] = &[];
const ALLOWED: &'static [&'static str] = &["date", "link", "title", "author"];
const ALLOW_ANY_UNNAMED: bool = false;
fn from_parsed(p: &ParsedDirective) -> Self {
let mut meta = Self::default();
let args = p.args();
if let Some(title) = args.get("title") {
meta.set_title(title);
}
if let Some(date) = args.get("date") {
meta.set_date(date);
}
if let Some(link) = args.get("link") {
meta.link = PathBuf::from(link);
}
meta
}
fn process(&self, _site: &Site, meta: &mut PageMeta) -> Result<Processed, DirectiveError> {
if let Some(title) = &self.title {
meta.set_title(title.into());
}
if let Some(mtime) = &self.date {
meta.set_mtime(parse_timestamp(mtime)?);
}
meta.add_link(&self.link);
Ok(Processed::Markdown("".into()))
}
}
impl Meta {
fn set_date(&mut self, date: &str) {
self.date = Some(date.into());
}
fn set_title(&mut self, title: &str) {
self.title = Some(title.into());
}
}
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