aboutsummaryrefslogtreecommitdiff
path: root/helix-core/src
diff options
context:
space:
mode:
authorGokul Soumya2022-03-07 12:54:19 +0000
committerBlaž Hrastnik2022-04-02 15:46:53 +0000
commit64c2490f2d9a9b98d1142243e815d2ff80c99f2a (patch)
tree274be715549fc876c3ebcf15f4f4bbbf41577dd9 /helix-core/src
parent45b76db5068791fe6163963976a6a9daf3e9bf9d (diff)
Refactor test print to be more readable
Diffstat (limited to 'helix-core/src')
-rw-r--r--helix-core/src/test.rs125
1 files changed, 53 insertions, 72 deletions
diff --git a/helix-core/src/test.rs b/helix-core/src/test.rs
index 964a770a..345d9e9c 100644
--- a/helix-core/src/test.rs
+++ b/helix-core/src/test.rs
@@ -28,88 +28,69 @@ use std::cmp::Reverse;
/// Panics when missing head or anchor.
/// Panics when head come after head or anchor come after anchor.
pub fn print(s: &str) -> (String, Selection) {
- let mut primary = None;
+ let mut primary_idx = None;
let mut ranges = SmallVec::new();
let mut iter = s.chars().peekable();
let mut left = String::with_capacity(s.len());
+
'outer: while let Some(c) = iter.next() {
let start = left.len();
- if c == '#' {
- if iter.next_if_eq(&'[').is_some() {
- if primary.is_some() {
- panic!("primary `#[` already appeared {left:?} {s:?}");
- }
- if iter.next_if_eq(&'|').is_some() {
- while let Some(c) = iter.next() {
- if c == ']' && iter.next_if_eq(&'#').is_some() {
- primary = Some(ranges.len());
- ranges.push(Range::new(left.len(), start));
- continue 'outer;
- } else {
- left.push(c);
- }
- }
- panic!("missing primary end `]#` {left:?} {s:?}");
- } else {
- while let Some(c) = iter.next() {
- if c == '|' {
- if let Some(cc) = iter.next_if_eq(&']') {
- if iter.next_if_eq(&'#').is_some() {
- primary = Some(ranges.len());
- ranges.push(Range::new(start, left.len()));
- continue 'outer;
- } else {
- left.push(c);
- left.push(cc);
- }
- } else {
- left.push(c);
- }
- } else {
- left.push(c);
- }
- }
- panic!("missing primary end `|]#` {left:?} {s:?}");
- }
- } else if iter.next_if_eq(&'(').is_some() {
- if iter.next_if_eq(&'|').is_some() {
- while let Some(c) = iter.next() {
- if c == ')' && iter.next_if_eq(&'#').is_some() {
- ranges.push(Range::new(left.len(), start));
- continue 'outer;
- } else {
- left.push(c);
- }
- }
- panic!("missing end `)#` {left:?} {s:?}");
- } else {
- while let Some(c) = iter.next() {
- if c == '|' {
- if let Some(cc) = iter.next_if_eq(&')') {
- if iter.next_if_eq(&'#').is_some() {
- ranges.push(Range::new(start, left.len()));
- continue 'outer;
- } else {
- left.push(c);
- left.push(cc);
- }
- } else {
- left.push(c);
- }
- } else {
- left.push(c);
- }
- }
- panic!("missing end `|)#` {left:?} {s:?}");
- }
- } else {
+
+ if c != '#' {
+ left.push(c);
+ continue;
+ }
+
+ let (is_primary, close_pair) = match iter.next() {
+ Some('[') => (true, ']'),
+ Some('(') => (false, ')'),
+ Some(ch) => {
+ left.push(ch);
+ continue;
+ }
+ None => break,
+ };
+
+ if is_primary && primary_idx.is_some() {
+ panic!("primary `#[` already appeared {left:?} {s:?}");
+ }
+
+ let head_at_beg = iter.next_if_eq(&'|').is_some();
+
+ while let Some(c) = iter.next() {
+ if !(c == close_pair && iter.peek() == Some(&'#')) {
left.push(c);
+ continue;
+ }
+ if !head_at_beg {
+ let prev = left.pop().unwrap();
+ if prev != '|' {
+ left.push(prev);
+ left.push(c);
+ continue;
+ }
+ }
+ iter.next(); // skip "#"
+
+ if is_primary {
+ primary_idx = Some(ranges.len());
}
+ let (anchor, head) = match head_at_beg {
+ true => (left.len(), start),
+ false => (start, left.len()),
+ };
+ ranges.push(Range::new(anchor, head));
+ continue 'outer;
+ }
+
+ if head_at_beg {
+ panic!("missing end `{close_pair}#` {left:?} {s:?}");
} else {
- left.push(c);
+ panic!("missing end `|{close_pair}#` {left:?} {s:?}");
}
}
- let primary = match primary {
+
+ let primary = match primary_idx {
Some(i) => i,
None => panic!("missing primary `#[|]#` {s:?}"),
};