byte_offset_to_line_and_column() — tailwindcss Function Reference

Architecture documentation for the byte_offset_to_line_and_column() function in pre_processor.rs from the tailwindcss codebase.

Function rust OxideEngine PreProcessors

Entity Profile

OxideEngine→ PreProcessors→ byte_offset_to_line_and_column() — tailwindcss Function Reference

Dependency Diagram

graph TD
  423e9765_15bd_5eb2_da5e_e7f8dd8d4711["byte_offset_to_line_and_column()"]
  c9eebb75_dc3f_0649_0b9f_ee56e4ee9c1c["pre_processor.rs"]
  423e9765_15bd_5eb2_da5e_e7f8dd8d4711 -->|defined in| c9eebb75_dc3f_0649_0b9f_ee56e4ee9c1c
  style 423e9765_15bd_5eb2_da5e_e7f8dd8d4711 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

crates/oxide/src/extractor/pre_processors/pre_processor.rs lines 165–186

fn byte_offset_to_line_and_column(input: &[u8], offset: usize) -> (usize, usize) {
    use unicode_width::UnicodeWidthStr;

    let mut line_start = 0;
    let mut line = 0;

    for (i, &b) in input.iter().enumerate() {
        if i >= offset {
            break;
        }
        if b == b'\n' {
            line += 1;
            line_start = i + 1;
        }
    }

    let slice = &input[line_start..offset];
    let column = std::str::from_utf8(slice).expect("Valid UTF-8");
    let column = UnicodeWidthStr::width(column);

    (line, column)
}