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Ariel Davis 2023-05-06 00:52:11 -07:00
parent 594a41e7bf
commit 0bb21533c6
1 changed files with 11 additions and 9 deletions
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20
lib/line-index/src/lib.rs
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@ -9,8 +9,8 @@ use nohash_hasher::IntMap;
pub use text_size::{TextRange, TextSize};
/// Line/Column information in native, utf8 format.
#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)]
/// `(line, column)` information in the native, UTF-8 encoding.
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub struct LineCol {
/// Zero-based.
pub line: u32,
@ -19,7 +19,7 @@ pub struct LineCol {
}
/// A kind of wide character encoding.
#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)]
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
#[non_exhaustive]
pub enum WideEncoding {
/// UTF-16.
@ -29,7 +29,7 @@ pub enum WideEncoding {
}
impl WideEncoding {
/// Returns the number of units it takes to encode `text` in this encoding.
/// Returns the number of code units it takes to encode `text` in this encoding.
pub fn measure(&self, text: &str) -> usize {
match self {
WideEncoding::Utf16 => text.encode_utf16().count(),
@ -38,10 +38,12 @@ impl WideEncoding {
}
}
/// Line/Column information in legacy encodings.
/// `(line, column)` information in wide encodings.
///
/// See [`WideEncoding`] for the kinds of wide encodings available.
//
// Deliberately not a generic type and different from `LineCol`.
#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)]
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub struct WideLineCol {
/// Zero-based.
pub line: u32,
@ -49,11 +51,11 @@ pub struct WideLineCol {
pub col: u32,
}
#[derive(Clone, Debug, Hash, PartialEq, Eq)]
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
struct WideChar {
/// Start offset of a character inside a line, zero-based
/// Start offset of a character inside a line, zero-based.
start: TextSize,
/// End offset of a character inside a line, zero-based
/// End offset of a character inside a line, zero-based.
end: TextSize,
}