bendns' repos / gracilaria
A simple CPU rendered GUI IDE experience.
Diffstat (limited to 'src/text.rs')
-rw-r--r--src/text.rs93
1 files changed, 92 insertions, 1 deletions
diff --git a/src/text.rs b/src/text.rs
index c5e7b5b..56e6b36 100644
--- a/src/text.rs
+++ b/src/text.rs
@@ -1,4 +1,4 @@
-use std::cmp::min;
+use std::cmp::{Reverse, min};
use std::fmt::{Debug, Display};
use std::ops::{Deref, Not as _, Range, RangeBounds};
use std::path::Path;
@@ -489,6 +489,7 @@ impl TextArea {
self.insert_at(begin, &x.new_text).map_err(|_| ())?;
Ok((begin, end))
}
+
pub fn apply_adjusting(&mut self, x: &TextEdit) -> Result<(), ()> {
let (b, e) = self.apply(&x)?;
if e < self.cursor {
@@ -1855,3 +1856,93 @@ fn apply() {
.unwrap();
assert_eq!(t.cursor, 8);
}
+#[test]
+fn apply2() {
+ let mut t = TextArea::default();
+
+ t.insert(
+ "impl Editor { // 0
+ pub fn open(f: &Path) { // 1
+// 2
+ let new = std::fs::read_to_string(f) // 3
+ .map_err(anyhow::Error::from)?; // 4
+ }
+}",
+ )
+ .unwrap();
+
+ use lsp_types::Range;
+ let mut th = [
+ TextEdit {
+ range: Range {
+ start: Position { line: 1, character: 0 },
+ end: Position { line: 1, character: 4 },
+ },
+ new_text: "".into(),
+ },
+ TextEdit {
+ range: Range {
+ start: Position { line: 2, character: 0 },
+ end: Position { line: 3, character: 1 },
+ },
+ new_text: "".into(),
+ },
+ TextEdit {
+ range: Range {
+ start: Position { line: 3, character: 9 },
+ end: Position { line: 3, character: 9 },
+ },
+ new_text: "let new =\n".into(),
+ },
+ TextEdit {
+ range: Range {
+ start: Position { line: 3, character: 20 },
+ end: Position { line: 3, character: 29 },
+ },
+ new_text: "".into(),
+ },
+ TextEdit {
+ range: Range {
+ start: Position { line: 3, character: 56 },
+ end: Position { line: 4, character: 24 },
+ },
+ new_text: "".into(),
+ },
+ TextEdit {
+ range: Range {
+ start: Position { line: 6, character: 1 },
+ end: Position { line: 6, character: 1 },
+ },
+ new_text: "\n".into(),
+ },
+ ];
+ th.sort_tedits();
+ for th in th {
+ t.apply(&th).unwrap();
+ println!("=>\n{}", t.rope);
+ }
+ assert_eq!(
+ t.rope.to_string(),
+ "impl Editor { // 0
+ pub fn open(f: &Path) { // 1
+ let new =
+ std::fs::read_to_string(f).map_err(anyhow::Error::from)?; // 4
+ }
+}
+"
+ );
+}
+
+pub trait SortTedits {
+ fn sort_tedits(&mut self);
+}
+impl SortTedits for [TextEdit] {
+ fn sort_tedits(&mut self) {
+ self.as_mut().sort_by_key(|t| Reverse(t.range.start));
+ }
+}
+impl SortTedits for [SnippetTextEdit] {
+ fn sort_tedits(&mut self) {
+ self.as_mut().sort_by_key(|t| Reverse(t.text_edit.range.start));
+ }
+}