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mod text_edit;
pub mod test_utils;
pub use crate::text_edit::{TextEdit, TextEditBuilder};
use text_unit::{TextRange, TextUnit};
/// Must not overlap with other `AtomTextEdit`s
#[derive(Debug, Clone)]
pub struct AtomTextEdit {
/// Refers to offsets in the original text
pub delete: TextRange,
pub insert: String,
}
impl AtomTextEdit {
pub fn replace(range: TextRange, replace_with: String) -> AtomTextEdit {
AtomTextEdit { delete: range, insert: replace_with }
}
pub fn delete(range: TextRange) -> AtomTextEdit {
AtomTextEdit::replace(range, String::new())
}
pub fn insert(offset: TextUnit, text: String) -> AtomTextEdit {
AtomTextEdit::replace(TextRange::offset_len(offset, 0.into()), text)
}
pub fn apply(&self, mut text: String) -> String {
let start = u32::from(self.delete.start()) as usize;
let end = u32::from(self.delete.end()) as usize;
text.replace_range(start..end, &self.insert);
text
}
}
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