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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}; pub use text_size::{TextRange, TextSize};
/// Line/Column information in native, utf8 format. /// `(line, column)` information in the native, UTF-8 encoding.
#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)] #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub struct LineCol { pub struct LineCol {
/// Zero-based. /// Zero-based.
pub line: u32, pub line: u32,
@ -19,7 +19,7 @@ pub struct LineCol {
} }
/// A kind of wide character encoding. /// A kind of wide character encoding.
#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)] #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
#[non_exhaustive] #[non_exhaustive]
pub enum WideEncoding { pub enum WideEncoding {
/// UTF-16. /// UTF-16.
@ -29,7 +29,7 @@ pub enum WideEncoding {
} }
impl 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 { pub fn measure(&self, text: &str) -> usize {
match self { match self {
WideEncoding::Utf16 => text.encode_utf16().count(), 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`. // 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 { pub struct WideLineCol {
/// Zero-based. /// Zero-based.
pub line: u32, pub line: u32,
@ -49,11 +51,11 @@ pub struct WideLineCol {
pub col: u32, pub col: u32,
} }
#[derive(Clone, Debug, Hash, PartialEq, Eq)] #[derive(Debug, Clone, Copy, PartialEq, Eq)]
struct WideChar { struct WideChar {
/// Start offset of a character inside a line, zero-based /// Start offset of a character inside a line, zero-based.
start: TextSize, start: TextSize,
/// End offset of a character inside a line, zero-based /// End offset of a character inside a line, zero-based.
end: TextSize, end: TextSize,
} }