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|
//! Static files bundled with documentation output.
//!
//! All the static files are included here for centralized access in case anything other than the
//! HTML rendering code (say, the theme checker) needs to access one of these files.
use rustc_data_structures::fx::FxHasher;
use std::hash::Hasher;
use std::path::{Path, PathBuf};
use std::{fmt, str};
pub(crate) struct StaticFile {
pub(crate) filename: PathBuf,
pub(crate) bytes: &'static [u8],
}
impl StaticFile {
fn new(filename: &str, bytes: &'static [u8]) -> StaticFile {
Self { filename: static_filename(filename, bytes), bytes }
}
pub(crate) fn minified(&self) -> Vec<u8> {
let extension = match self.filename.extension() {
Some(e) => e,
None => return self.bytes.to_owned(),
};
if extension == "css" {
minifier::css::minify(str::from_utf8(self.bytes).unwrap()).unwrap().to_string().into()
} else if extension == "js" {
minifier::js::minify(str::from_utf8(self.bytes).unwrap()).to_string().into()
} else {
self.bytes.to_owned()
}
}
pub(crate) fn output_filename(&self) -> &Path {
&self.filename
}
}
/// The Display implementation for a StaticFile outputs its filename. This makes it
/// convenient to interpolate static files into HTML templates.
impl fmt::Display for StaticFile {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "{}", self.output_filename().display())
}
}
/// Insert the provided suffix into a filename just before the extension.
pub(crate) fn suffix_path(filename: &str, suffix: &str) -> PathBuf {
// We use splitn vs Path::extension here because we might get a filename
// like `style.min.css` and we want to process that into
// `style-suffix.min.css`. Path::extension would just return `css`
// which would result in `style.min-suffix.css` which isn't what we
// want.
let (base, ext) = filename.split_once('.').unwrap();
let filename = format!("{}{}.{}", base, suffix, ext);
filename.into()
}
pub(crate) fn static_filename(filename: &str, contents: &[u8]) -> PathBuf {
let filename = filename.rsplit('/').next().unwrap();
suffix_path(filename, &static_suffix(contents))
}
fn static_suffix(bytes: &[u8]) -> String {
let mut hasher = FxHasher::default();
hasher.write(bytes);
format!("-{:016x}", hasher.finish())
}
macro_rules! static_files {
($($field:ident => $file_path:literal,)+) => {
pub(crate) struct StaticFiles {
$(pub $field: StaticFile,)+
}
pub(crate) static STATIC_FILES: std::sync::LazyLock<StaticFiles> = std::sync::LazyLock::new(|| StaticFiles {
$($field: StaticFile::new($file_path, include_bytes!($file_path)),)+
});
pub(crate) fn for_each<E>(f: impl Fn(&StaticFile) -> Result<(), E>) -> Result<(), E> {
for sf in [
$(&STATIC_FILES.$field,)+
] {
f(sf)?
}
Ok(())
}
}
}
static_files! {
rustdoc_css => "static/css/rustdoc.css",
settings_css => "static/css/settings.css",
noscript_css => "static/css/noscript.css",
normalize_css => "static/css/normalize.css",
main_js => "static/js/main.js",
search_js => "static/js/search.js",
settings_js => "static/js/settings.js",
source_script_js => "static/js/source-script.js",
storage_js => "static/js/storage.js",
scrape_examples_js => "static/js/scrape-examples.js",
wheel_svg => "static/images/wheel.svg",
clipboard_svg => "static/images/clipboard.svg",
down_arrow_svg => "static/images/down-arrow.svg",
toggle_minus_png => "static/images/toggle-minus.svg",
toggle_plus_png => "static/images/toggle-plus.svg",
copyright => "static/COPYRIGHT.txt",
license_apache => "static/LICENSE-APACHE.txt",
license_mit => "static/LICENSE-MIT.txt",
rust_logo_svg => "static/images/rust-logo.svg",
rust_favicon_svg => "static/images/favicon.svg",
rust_favicon_png_16 => "static/images/favicon-16x16.png",
rust_favicon_png_32 => "static/images/favicon-32x32.png",
theme_light_css => "static/css/themes/light.css",
theme_dark_css => "static/css/themes/dark.css",
theme_ayu_css => "static/css/themes/ayu.css",
fira_sans_regular => "static/fonts/FiraSans-Regular.woff2",
fira_sans_medium => "static/fonts/FiraSans-Medium.woff2",
fira_sans_license => "static/fonts/FiraSans-LICENSE.txt",
source_serif_4_regular => "static/fonts/SourceSerif4-Regular.ttf.woff2",
source_serif_4_bold => "static/fonts/SourceSerif4-Bold.ttf.woff2",
source_serif_4_italic => "static/fonts/SourceSerif4-It.ttf.woff2",
source_serif_4_license => "static/fonts/SourceSerif4-LICENSE.md",
source_code_pro_regular => "static/fonts/SourceCodePro-Regular.ttf.woff2",
source_code_pro_semibold => "static/fonts/SourceCodePro-Semibold.ttf.woff2",
source_code_pro_italic => "static/fonts/SourceCodePro-It.ttf.woff2",
source_code_pro_license => "static/fonts/SourceCodePro-LICENSE.txt",
nanum_barun_gothic_regular => "static/fonts/NanumBarunGothic.ttf.woff2",
nanum_barun_gothic_license => "static/fonts/NanumBarunGothic-LICENSE.txt",
}
pub(crate) static SCRAPE_EXAMPLES_HELP_MD: &str = include_str!("static/scrape-examples-help.md");
|
