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doc markdown lint shows the exact word location

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This commit is contained in:
Oliver Schneider 2016-05-02 14:36:48 +02:00
parent 365644e9e6
commit 3a32c2c596
1 changed files with 15 additions and 5 deletions
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20
src/doc.rs
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@ -117,6 +117,15 @@ pub fn check_doc(cx: &EarlyContext, valid_idents: &[String], doc: &str, span: Sp
}
}
#[allow(cast_possible_truncation)]
fn word_span(mut span: Span, begin: usize, end: usize) -> Span {
debug_assert_eq!(end as u32 as usize, end);
debug_assert_eq!(begin as u32 as usize, begin);
span.hi = span.lo + BytePos(end as u32);
span.lo = span.lo + BytePos(begin as u32);
span
}
let len = doc.len();
let mut chars = doc.char_indices().peekable();
let mut current_word_begin = 0;
@ -133,6 +142,7 @@ pub fn check_doc(cx: &EarlyContext, valid_idents: &[String], doc: &str, span: Sp
'[' => {
let end = jump_to!(chars, ']', len);
let link_text = &doc[current_word_begin + 1..end];
let word_span = word_span(span, current_word_begin + 1, end + 1);
match chars.peek() {
Some(&(_, c)) => {
@ -143,18 +153,18 @@ pub fn check_doc(cx: &EarlyContext, valid_idents: &[String], doc: &str, span: Sp
match c {
'(' => { // inline link
current_word_begin = jump_to!(chars, ')', len);
check_doc(cx, valid_idents, link_text, span);
check_doc(cx, valid_idents, link_text, word_span);
}
'[' => { // reference link
current_word_begin = jump_to!(chars, ']', len);
check_doc(cx, valid_idents, link_text, span);
check_doc(cx, valid_idents, link_text, word_span);
}
':' => { // reference link
current_word_begin = jump_to!(chars, '\n', len);
}
_ => { // automatic reference link
current_word_begin = jump_to!(@next_char, chars, len);
check_doc(cx, valid_idents, link_text, span);
check_doc(cx, valid_idents, link_text, word_span);
}
}
}
@ -166,8 +176,8 @@ pub fn check_doc(cx: &EarlyContext, valid_idents: &[String], doc: &str, span: Sp
Some((end, _)) => end,
None => len,
};
check_word(cx, valid_idents, &doc[current_word_begin..end], span);
let word_span = word_span(span, current_word_begin, end);
check_word(cx, valid_idents, &doc[current_word_begin..end], word_span);
current_word_begin = jump_to!(@next_char, chars, len);
}
}