Function strip_cursor

tests/fixture_runner.rs:323–338

Strip the `<>` cursor marker from PHP source and return the cleaned content along with the cursor's line and character position.

(source: &str)

/// Strip the `<>` cursor marker from PHP source and return the cleaned
/// content along with the cursor's line and character position.
fn strip_cursor(source: &str) -> Result<(String, u32, u32), String> {
    let marker_pos = source
        .find("<>")
        .ok_or("Fixture body missing `<>` cursor marker")?;

    let before = &source[..marker_pos];
    let line = before.chars().filter(|&c| c == '\n').count() as u32;
    let last_newline = before.rfind('\n').map(|i| i + 1).unwrap_or(0);
    let char = before[last_newline..].len() as u32;

    let mut cleaned = String::with_capacity(source.len() - 2);
    cleaned.push_str(before);
    cleaned.push_str(&source[marker_pos + 2..]);

    Ok((cleaned, line, char))
}

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