process() — tailwindcss Function Reference

Architecture documentation for the process() function in elixir.rs from the tailwindcss codebase.

Function rust Oxide PreProcessors

Entity Profile

Oxide→ PreProcessors→ process() — tailwindcss Function Reference

Dependency Diagram

graph TD
  a46f6e4c_01c3_320e_0cce_fae2a64e2948["process()"]
  2512c3cb_e625_2618_a8de_488cdc04e632["elixir.rs"]
  a46f6e4c_01c3_320e_0cce_fae2a64e2948 -->|defined in| 2512c3cb_e625_2618_a8de_488cdc04e632
  style a46f6e4c_01c3_320e_0cce_fae2a64e2948 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

crates/oxide/src/extractor/pre_processors/elixir.rs lines 9–64

    fn process(&self, content: &[u8]) -> Vec<u8> {
        let mut cursor = cursor::Cursor::new(content);
        let mut result = content.to_vec();
        let mut bracket_stack = BracketStack::default();

        while cursor.pos < content.len() {
            // Look for a sigil marker
            if cursor.curr != b'~' {
                cursor.advance();
                continue;
            }

            // Scan charlists, strings, and wordlists
            if !matches!(cursor.next, b'c' | b'C' | b's' | b'S' | b'w' | b'W') {
                cursor.advance();
                continue;
            }

            cursor.advance_twice();

            // Match the opening for a sigil
            if !matches!(cursor.curr, b'(' | b'[' | b'{') {
                continue;
            }

            // Replace the opening bracket with a space
            result[cursor.pos] = b' ';

            // Scan until we find a balanced closing one and replace it too
            bracket_stack.push(cursor.curr);

            while cursor.pos < content.len() {
                cursor.advance();

                match cursor.curr {
                    // Escaped character, skip ahead to the next character
                    b'\\' => cursor.advance_twice(),
                    b'(' | b'[' | b'{' => {
                        bracket_stack.push(cursor.curr);
                    }
                    b')' | b']' | b'}' if !bracket_stack.is_empty() => {
                        bracket_stack.pop(cursor.curr);

                        if bracket_stack.is_empty() {
                            // Replace the closing bracket with a space
                            result[cursor.pos] = b' ';
                            break;
                        }
                    }
                    _ => {}
                }
            }
        }

        result
    }