104 lines
3 KiB
Rust
104 lines
3 KiB
Rust
use comrak::{self, ComrakOptions};
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use comrak::nodes::AstNode;
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use crate::Page;
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use crate::string_writer::StringWriter;
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use maud::{DOCTYPE, Markup, PreEscaped, Render, html};
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use std::str;
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struct Comrak<'a>(&'a AstNode<'a>, &'a ComrakOptions);
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impl<'a> Render for Comrak<'a> {
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fn render_to(&self, buffer: &mut String) {
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comrak::format_html(self.0, self.1, &mut StringWriter(buffer)).unwrap();
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}
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}
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/// Hack! Comrak wraps a single line of input in `<p>` tags, which is great in
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/// general but not suitable for links in the navigation bar.
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struct ComrakRemovePTags<'a>(&'a AstNode<'a>, &'a ComrakOptions);
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impl<'a> Render for ComrakRemovePTags<'a> {
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fn render(&self) -> Markup {
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let mut buffer = String::new();
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comrak::format_html(self.0, self.1, &mut StringWriter(&mut buffer)).unwrap();
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assert!(buffer.starts_with("<p>") && buffer.ends_with("</p>\n"));
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PreEscaped(buffer.trim_start_matches("<p>").trim_end_matches("</p>\n").to_string())
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}
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}
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struct ComrakText<'a>(&'a AstNode<'a>, &'a ComrakOptions);
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impl<'a> Render for ComrakText<'a> {
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fn render_to(&self, buffer: &mut String) {
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comrak::format_commonmark(self.0, self.1, &mut StringWriter(buffer)).unwrap();
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}
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}
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crate fn main<'a>(
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options: &'a ComrakOptions,
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slug: &str,
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page: Page<'a>,
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nav: &[(&str, &'a AstNode<'a>)],
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) -> Markup {
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html! {
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(DOCTYPE)
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meta charset="utf-8";
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title {
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@if let Some(title) = page.title {
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(ComrakText(title, options))
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" \u{2013} "
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}
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"Maud, a macro for writing HTML"
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}
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link rel="stylesheet" href="styles.css";
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meta name="theme-color" content="#808";
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meta name="viewport" content="width=device-width";
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header {
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h1 {
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a href="." {
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"maud"
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}
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}
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}
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nav {
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ul {
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@for &(other_slug, other_title) in nav {
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li {
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@if other_slug == slug {
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b {
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(ComrakRemovePTags(other_title, options))
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}
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} @else {
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a href={ (other_slug) ".html" } {
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(ComrakRemovePTags(other_title, options))
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}
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}
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}
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}
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}
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ul {
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li {
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a href="https://docs.rs/maud/" {
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"API documentation"
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}
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}
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li {
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a href="https://github.com/lambda-fairy/maud" {
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"GitHub"
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}
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}
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}
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}
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main {
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@if let Some(title) = page.title {
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h2 {
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(Comrak(title, options))
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}
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}
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(Comrak(page.content, options))
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}
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}
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}
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