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This commit is contained in:
Manish Goregaokar 2015-08-13 13:27:30 +05:30
parent 83487c060f
commit fbbb44d93b
1 changed files with 8 additions and 2 deletions
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10
src/utils.rs
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@ -63,10 +63,16 @@ pub fn snippet_block<'a>(cx: &Context, span: Span, default: &'a str) -> Cow<'a,
/// Trim indentation from a multiline string
/// with possibility of ignoring the first line
pub fn trim_multiline<'a>(s: Cow<'a, str>, ignore_first: bool) -> Cow<'a, str> {
let s = trim_multiline_inner(s, ignore_first, ' ');
let s = trim_multiline_inner(s, ignore_first, '\t');
trim_multiline_inner(s, ignore_first, ' ')
}
fn trim_multiline_inner<'a>(s: Cow<'a, str>, ignore_first: bool, ch: char) -> Cow<'a, str> {
let x = s.lines().skip(ignore_first as usize)
.map(|l| l.char_indices()
.find(|&(_,x)| x != ' ')
.unwrap_or((l.len(),' ')).0)
.find(|&(_,x)| x != ch)
.unwrap_or((l.len(), ch)).0)
.min().unwrap_or(0);
if x > 0 {
Cow::Owned(s.lines().enumerate().map(|(i,l)| if ignore_first && i==0 {