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rustdoc: get rid of CURRENT_DEPTH
Fixes #82742
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rustdoc: move some search code into search.js
This reduces main.s from 3094 lines to 1587. Also it saves some bytes
of download in the case where search isn't used.
There were a fair number of variables that needed to be accessible in
both main.js and search.js, but I didn't want to put too many symbols in
the global namespace, so I consolidated much of the search-related
state and functions into a new object `window.searchState`.
Demo at https://hoffman-andrews.com/rust/move-search/std/?search=foo
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This should help make things consistent.
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Instead of using a depth counter and adding "../" to get to the top,
this commit makes rustdoc actually compare the path of what it's
linking from to the path that it's linking to. This makes the resulting
HTML shorter.
Here's a comparison of one of the largest (non-source) files in the
Rust standard library docs (about 4% improvement before gzipping).
$ wc -c struct.Wrapping.old.html struct.Wrapping.new.html
2387389 struct.Wrapping.old.html
2298538 struct.Wrapping.new.html
Most if it can be efficiently gzipped away.
$ wc -c struct.Wrapping.old.html.gz struct.Wrapping.new.html.gz
70679 struct.Wrapping.old.html.gz
70050 struct.Wrapping.new.html.gz
But it also makes a difference in the final DOM size, reducing it from 91MiB to 82MiB.
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rustdoc: Hide item contents, not items
This tweaks rustdoc to hide item contents instead of items, and only when there are too many of them.
This means that users will _always_ see the type parameters, and will _often_ see fields/etc as long as they are small. Traits have some heuristics for hiding only the methods or only the methods and the consts, since the associated types are super important.
I'm happy to play around with the heuristics here; we could potentially make it so that structs/enums/etc are always hidden but traits will try really hard to show type aliases.
This needs a test, but you can see it rendered at https://manishearth.net/sand/doc_render/bar/
<details>
<summary> Code example </summary>
```rust
pub struct PubStruct {
pub a: usize,
pub b: usize,
}
pub struct BigPubStruct {
pub a: usize,
pub b: usize,
pub c: usize,
pub d: usize,
pub e: usize,
pub f: usize,
}
pub union BigUnion {
pub a: usize,
pub b: usize,
pub c: usize,
pub d: usize,
pub e: usize,
pub f: usize,
}
pub union Union {
pub a: usize,
pub b: usize,
pub c: usize,
}
pub struct PrivStruct {
a: usize,
b: usize,
}
pub enum Enum {
A, B, C,
D {
a: u8,
b: u8
}
}
pub enum LargeEnum {
A, B, C, D, E, F, G, H, I, J
}
pub trait Trait {
type A;
#[must_use]
fn foo();
fn bar();
}
pub trait GinormousTrait {
type A;
type B;
type C;
type D;
type E;
type F;
const N: usize = 1;
#[must_use]
fn foo();
fn bar();
}
pub trait HugeTrait {
type A;
const M: usize = 1;
const N: usize = 1;
const O: usize = 1;
const P: usize = 1;
const Q: usize = 1;
#[must_use]
fn foo();
fn bar();
}
pub trait BigTrait {
type A;
#[must_use]
fn foo();
fn bar();
fn baz();
fn quux();
fn frob();
fn greeble();
}
#[macro_export]
macro_rules! foo {
(a) => {a};
}
```
</details>
Fixes https://github.com/rust-lang/rust/issues/82114
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Export a few variables and functions into the global scope because they
are needed both by main.js and search-index.js.
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Introduce a first use of the `<details>` and `<summary>` tags as
replacements for the JS-built toggles. I think this has the potential to
replace all the JS toggles and generally clean up the JS, CSS, and HTML.
Split rendering of attributes into two cases: in the case where they are
rendered as descendents of a `<pre>` tag, where they use indent spaces and
newlines for formatting, matching their surrounding markup. In the case
where they are rendered as descendants of a `<code>` tag, they are
rendered as `<div>`. This let me clean up some fragile CSS that was
adjusting the margin-left of attributes depending on context.
Remove toggles for attributes. With the ALLOWED_ATTRIBUTES filter, it's
rare for an item to have more than one attribute, so hiding attributes
behind a toggle doesn't save any screen space in the common case.
Fix a couple of invocations of `matches!` that didn't compile on my
machine.
Fix a boolean for the JS `createToggle` call that was causing
"Expand description" to show up spuriously on already-expanded
descriptions.
Add JS for auto-hide settings and hide all / show all.
Remove a z-index property and some font color tweaks made unnecessary
by the <details> toggles.
Add CSS for the <details> toggles.
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Co-authored-by: Joshua Nelson <joshua@yottadb.com>
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Co-authored-by: Joshua Nelson <joshua@yottadb.com>
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Move `SharedContext` to `context.rs`
It is tightly connected to `Context` and is primarily used as a field in
`Context`. Thus, it should be next to `Context`.
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It is tightly connected to `Context` and is primarily used as a field in
`Context`. Thus, it should be next to `Context`.
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rustdoc: sort search index items for compression
This should not affect the appearance of the docs pages themselves.
This makes the pre-compressed search index smaller, thanks to the
empty-string path duplication format, and also the gzipped version,
by giving the algorithm more structure to work with.
rust$ wc -c search-index-old.js search-index-new.js
2628334 search-index-old.js
2586181 search-index-new.js
5214515 total
rust$ gzip search-index-*
rust$ wc -c search-index-old.js.gz search-index-new.js.gz
239486 search-index-old.js.gz
237386 search-index-new.js.gz
476872 total
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r=jyn514
List trait impls before deref methods in doc's sidebar
This PR is acting directly on a suggestion made by ```````@jyn514``````` in #83133. I've tested the changes locally, and can confirm that it does in fact properly achieve what he thought it would. This PR also in turn closes #83133.
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Now the family name is Source Serif 4 (upstream issue 77) instead of
Source Serif Pro.
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Remove unneeded INITIAL_IDS const
Some IDs inside this map didn't exist anymore, some others were duplicates of what we have inside `IdMap`. So instead of keeping the two around and since `INITIAL_IDS` was only used by `IdMap`, no need to keep both of them.
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This should not affect the appearance of the docs pages themselves.
This makes the pre-compressed search index smaller, thanks to the
empty-string path duplication format, and also the gzipped version,
by giving the algorithm more structure to work with.
rust$ wc -c search-index-old.js search-index-new.js
2628334 search-index-old.js
2586181 search-index-new.js
5214515 total
rust$ gzip search-index-*
rust$ wc -c search-index-old.js.gz search-index-new.js.gz
239486 search-index-old.js.gz
237386 search-index-new.js.gz
476872 total
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rustdoc: Rename internal uses of `spotlight`
I didn't make these renames in #80965 because I didn't want the PR to
conflict with #80914.
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I didn't make these renames in #80965 because I didn't want the PR to
conflict with #80914.
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rustdoc: Add unstable option to only emit shared/crate-specific files
The intended use case is for docs.rs, which can now copy exactly the
files it cares about, rather than having to guess based on whether they
have a resource suffix or not. In particular, some files have a resource
suffix but cannot be shared between crates: https://github.com/rust-lang/docs.rs/pull/1312#issuecomment-798783688
The end goal is to fix rust-lang/docs.rs#1327 by reverting rust-lang/docs.rs#1324.
This obsoletes `--print=unversioned-files`, which I plan to remove as
soon as docs.rs stops using it.
I recommend reviewing this one commit at a time.
r? ``@GuillaumeGomez`` cc ``@Nemo157`` ``@pietroalbini``
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invocation specific
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This also changes custom themes from Toolchain to Crate files.
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[rustdoc] Don't document stripped items in JSON renderer.
Fixes #80664, see [my comment there](https://github.com/rust-lang/rust/issues/80664#issuecomment-797557948) for why
Note that we already do something similar in `convert_item`:
https://github.com/rust-lang/rust/blob/bb4cdf8ec034dca5c056ec9295f38062e5b7e871/src/librustdoc/json/conversions.rs#L28-L31
``@rustbot`` modify labels: +T-rustdoc +A-rustdoc-json
r? ``@jyn514``
cc ``@CraftSpider``
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The intended use case is for docs.rs, which can now copy exactly the
files it cares about, rather than having to guess based on whether they
have a resource suffix or not. In particular, some files have a resource
suffix but cannot be shared between crates: https://github.com/rust-lang/docs.rs/pull/1312#issuecomment-798783688
The end goal is to fix https://github.com/rust-lang/docs.rs/issues/1327
by reverting https://github.com/rust-lang/docs.rs/pull/1324.
This obsoletes `--print=unversioned-files`, which I plan to remove as
soon as docs.rs stops using it.
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This cleans up the code quite a bit, and also makes the next commit much
easier.
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