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rustdoc: make Method/WhereClause wrappers use usize for indents

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This commit is contained in:
QuietMisdreavus
2016-10-17 09:55:18 -05:00
parent 43abad4583
commit 61cc8700df
2 changed files with 32 additions and 40 deletions
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47
src/librustdoc/html/render.rs
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@@ -1967,14 +1967,13 @@ fn item_function(w: &mut fmt::Formatter, cx: &Context, it: &clean::Item,
UnstableFeatures::Allow => f.constness,
_ => hir::Constness::NotConst
};
let prefix = format!("{}{}{}{:#}fn {}{:#}",
let indent = format!("{}{}{}{:#}fn {}{:#}",
VisSpace(&it.visibility),
ConstnessSpace(vis_constness),
UnsafetySpace(f.unsafety),
AbiSpace(f.abi),
it.name.as_ref().unwrap(),
f.generics);
let indent = repeat("&nbsp;").take(prefix.len()).collect::<String>();
f.generics).len();
write!(w, "<pre class='rust fn'>{vis}{constness}{unsafety}{abi}fn \
{name}{generics}{decl}{where_clause}</pre>",
vis = VisSpace(&it.visibility),
@@ -1983,8 +1982,8 @@ fn item_function(w: &mut fmt::Formatter, cx: &Context, it: &clean::Item,
abi = AbiSpace(f.abi),
name = it.name.as_ref().unwrap(),
generics = f.generics,
where_clause = WhereClause(&f.generics, " ".to_string()),
decl = Method(&f.decl, &indent))?;
where_clause = WhereClause(&f.generics, 2),
decl = Method(&f.decl, indent))?;
document(w, cx, it)
}
@@ -2009,9 +2008,6 @@ fn item_trait(w: &mut fmt::Formatter, cx: &Context, it: &clean::Item,
}
}
// Where clauses in traits are indented nine spaces, per rustdoc.css
let indent = " ".to_string();
// Output the trait definition
write!(w, "<pre class='rust trait'>{}{}trait {}{}{}{} ",
VisSpace(&it.visibility),
@@ -2019,7 +2015,8 @@ fn item_trait(w: &mut fmt::Formatter, cx: &Context, it: &clean::Item,
it.name.as_ref().unwrap(),
t.generics,
bounds,
WhereClause(&t.generics, indent))?;
// Where clauses in traits are indented nine spaces, per rustdoc.css
WhereClause(&t.generics, 9))?;
let types = t.items.iter().filter(|m| m.is_associated_type()).collect::<Vec<_>>();
let consts = t.items.iter().filter(|m| m.is_associated_const()).collect::<Vec<_>>();
@@ -2272,16 +2269,15 @@ fn render_assoc_item(w: &mut fmt::Formatter,
AbiSpace(abi),
name,
*g);
let mut indent = repeat("&nbsp;").take(prefix.len()).collect::<String>();
let mut indent = prefix.len();
let where_indent = if parent == ItemType::Trait {
indent += "&nbsp;&nbsp;&nbsp;&nbsp;";
" ".to_string()
indent += 4;
8
} else if parent == ItemType::Impl {
" ".to_string()
2
} else {
let prefix = prefix + &format!("{:#}", Method(d, &indent));
let prefix = prefix.lines().last().unwrap();
repeat(" ").take(prefix.len() + 1).collect::<String>()
let prefix = prefix + &format!("{:#}", Method(d, indent));
prefix.lines().last().unwrap().len() + 1
};
write!(w, "{}{}{}fn <a href='{href}' class='fnname'>{name}</a>\
{generics}{decl}{where_clause}",
@@ -2291,7 +2287,7 @@ fn render_assoc_item(w: &mut fmt::Formatter,
href = href,
name = name,
generics = *g,
decl = Method(d, &indent),
decl = Method(d, indent),
where_clause = WhereClause(g, where_indent))
}
match item.inner {
@@ -2402,7 +2398,7 @@ fn item_enum(w: &mut fmt::Formatter, cx: &Context, it: &clean::Item,
let padding = format!("{}enum {}{:#} ",
VisSpace(&it.visibility),
it.name.as_ref().unwrap(),
e.generics);
e.generics).len();
write!(w, "{}enum {}{}{}",
VisSpace(&it.visibility),
it.name.as_ref().unwrap(),
@@ -2558,8 +2554,7 @@ fn render_struct(w: &mut fmt::Formatter, it: &clean::Item,
match ty {
doctree::Plain => {
if let Some(g) = g {
let pad = repeat(" ").take(plain.len() + 1).collect::<String>();
write!(w, "{}", WhereClause(g, pad))?
write!(w, "{}", WhereClause(g, plain.len() + 1))?
}
let mut has_visible_fields = false;
write!(w, " {{")?;
@@ -2609,16 +2604,14 @@ fn render_struct(w: &mut fmt::Formatter, it: &clean::Item,
write!(w, ")")?;
plain.push_str(")");
if let Some(g) = g {
let pad = repeat(" ").take(plain.len() + 1).collect::<String>();
write!(w, "{}", WhereClause(g, pad))?
write!(w, "{}", WhereClause(g, plain.len() + 1))?
}
write!(w, ";")?;
}
doctree::Unit => {
// Needed for PhantomData.
if let Some(g) = g {
let pad = repeat(" ").take(plain.len() + 1).collect::<String>();
write!(w, "{}", WhereClause(g, pad))?
write!(w, "{}", WhereClause(g, plain.len() + 1))?
}
write!(w, ";")?;
}
@@ -2643,8 +2636,7 @@ fn render_union(w: &mut fmt::Formatter, it: &clean::Item,
if let Some(g) = g {
write!(w, "{}", g)?;
plain.push_str(&format!("{:#}", g));
let pad = repeat(" ").take(plain.len() + 1).collect::<String>();
write!(w, "{}", WhereClause(g, pad))?;
write!(w, "{}", WhereClause(g, plain.len() + 1))?;
}
write!(w, " {{\n{}", tab)?;
@@ -2945,8 +2937,7 @@ fn render_impl(w: &mut fmt::Formatter, cx: &Context, i: &Impl, link: AssocItemLi
fn item_typedef(w: &mut fmt::Formatter, cx: &Context, it: &clean::Item,
t: &clean::Typedef) -> fmt::Result {
let indent = format!("type {}{:#} ", it.name.as_ref().unwrap(), t.generics);
let indent = repeat(" ").take(indent.len()).collect::<String>();
let indent = format!("type {}{:#} ", it.name.as_ref().unwrap(), t.generics).len();
write!(w, "<pre class='rust typedef'>type {}{}{where_clause} = {type_};</pre>",
it.name.as_ref().unwrap(),
t.generics,