language-servers/rust-analyzer
1
0
Fork 0
mirror of https://github.com/rust-lang/rust-analyzer.git synced 2025-09-20 09:10:12 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 3

move

Browse source
This commit is contained in:
Aleksey Kladov 2018-08-25 14:30:54 +03:00
parent 2d41bc3e6c
commit 5211e7d977
3 changed files with 37 additions and 30 deletions
Download patch file Download diff file Expand all files Collapse all files

31
crates/test_utils/src/lib.rs
View file

@ -1,8 +1,10 @@
extern crate difference;
extern crate itertools;
extern crate text_unit;
use std::fmt;
use itertools::Itertools;
use text_unit::{TextUnit, TextRange};
pub use self::difference::Changeset as __Changeset;
@ -34,3 +36,32 @@ pub fn assert_eq_dbg(expected: &str, actual: &impl fmt::Debug) {
let expected = expected.lines().map(|l| l.trim()).join(" ");
assert_eq!(expected, actual);
}
pub fn extract_offset(text: &str) -> (TextUnit, String) {
let cursor = "<|>";
let cursor_pos = match text.find(cursor) {
None => panic!("text should contain cursor marker"),
Some(pos) => pos,
};
let mut new_text = String::with_capacity(text.len() - cursor.len());
new_text.push_str(&text[..cursor_pos]);
new_text.push_str(&text[cursor_pos + cursor.len()..]);
let cursor_pos = TextUnit::from(cursor_pos as u32);
(cursor_pos, new_text)
}
pub fn extract_range(text: &str) -> (TextRange, String) {
let (start, text) = extract_offset(text);
let (end, text) = extract_offset(&text);
(TextRange::from_to(start, end), text)
}
pub fn add_cursor(text: &str, offset: TextUnit) -> String {
let offset: u32 = offset.into();
let offset: usize = offset as usize;
let mut res = String::new();
res.push_str(&text[..offset]);
res.push_str("<|>");
res.push_str(&text[offset..]);
res
}