bjoernager/rust
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Consistentize the system for image URLs in CSS.

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This commit is contained in:
Jacob Hoffman-Andrews 2021-11-23 21:23:54 -08:00
parent f0683f98fa
commit d9afca5808
6 changed files with 36 additions and 37 deletions
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48
src/librustdoc/html/render/write_shared.rs
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@ -181,42 +181,34 @@ pub(super) fn write_shared(
cx.write_shared(SharedResource::InvocationSpecific { basename: p }, content, &options.emit)
};
fn add_background_image_to_css(
cx: &Context<'_>,
css: &mut String,
rule: &str,
file: &'static str,
) {
css.push_str(&format!(
"{} {{ background-image: url({}); }}",
rule,
SharedResource::ToolchainSpecific { basename: file }
// Given "foo.svg", return e.g. "url(\"foo1.58.0.svg\")"
fn ver_url(cx: &Context<'_>, basename: &'static str) -> String {
format!(
"url(\"{}\")",
SharedResource::ToolchainSpecific { basename }
.path(cx)
.file_name()
.unwrap()
.to_str()
.unwrap()
))
)
}
// Add all the static files. These may already exist, but we just
// overwrite them anyway to make sure that they're fresh and up-to-date.
let mut rustdoc_css = static_files::RUSTDOC_CSS.to_owned();
add_background_image_to_css(
// We use the AUTOREPLACE mechanism to inject into our static JS and CSS certain
// values that are only known at doc build time. Since this mechanism is somewhat
// surprising when reading the code, please limit it to rustdoc.css.
write_minify(
"rustdoc.css",
static_files::RUSTDOC_CSS
.replace(
"/* AUTOREPLACE: */url(\"toggle-minus.svg\")",
&ver_url(cx, "toggle-minus.svg"),
)
.replace("/* AUTOREPLACE: */url(\"toggle-plus.svg\")", &ver_url(cx, "toggle-plus.svg"))
.replace("/* AUTOREPLACE: */url(\"down-arrow.svg\")", &ver_url(cx, "down-arrow.svg")),
cx,
&mut rustdoc_css,
"details.undocumented[open] > summary::before, \
details.rustdoc-toggle[open] > summary::before, \
details.rustdoc-toggle[open] > summary.hideme::before",
"toggle-minus.svg",
);
add_background_image_to_css(
cx,
&mut rustdoc_css,
"details.undocumented > summary::before, details.rustdoc-toggle > summary::before",
"toggle-plus.svg",
);
write_minify("rustdoc.css", rustdoc_css, cx, options)?;
options,
)?;
// Add all the static files. These may already exist, but we just
// overwrite them anyway to make sure that they're fresh and up-to-date.