dynami 0.1.0

Automatic Axum router generation from directory structure with file-system based routing
Documentation 
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/// Utility functions for parsing Rust code and extracting content

/// Find matching closing brace for an opening brace at the given position
pub fn find_matching_brace(content: &str, open_pos: usize) -> Option<usize> {
    let mut depth = 0;
    let bytes = content.as_bytes();

    for i in open_pos..bytes.len() {
        match bytes[i] {
            b'{' => depth += 1,
            b'}' => {
                depth -= 1;
                if depth == 0 {
                    return Some(i);
                }
            }
            _ => {}
        }
    }

    None
}

/// Extract content between braces (including the braces)
/// Returns the content with braces and the positions (start_brace, end_brace)
pub fn extract_braced_content(content: &str, start: usize) -> Option<(String, usize, usize)> {
    if let Some(open_pos) = content[start..].find('{') {
        let abs_open_pos = start + open_pos;
        if let Some(close_pos) = find_matching_brace(content, abs_open_pos) {
            let braced_content = content[abs_open_pos..=close_pos].to_string();
            return Some((braced_content, abs_open_pos, close_pos));
        }
    }
    None
}

/// Extract content between parentheses
pub fn extract_parenthesized_content(
    content: &str,
    start: usize,
) -> Option<(String, usize, usize)> {
    if let Some(open_pos) = content[start..].find('(') {
        let abs_open_pos = start + open_pos;
        if let Some(close_pos) = find_matching_paren(content, abs_open_pos) {
            let paren_content = content[abs_open_pos..=close_pos].to_string();
            return Some((paren_content, abs_open_pos, close_pos));
        }
    }
    None
}

/// Find matching closing parenthesis
fn find_matching_paren(content: &str, open_pos: usize) -> Option<usize> {
    let mut depth = 0;
    let bytes = content.as_bytes();

    for i in open_pos..bytes.len() {
        match bytes[i] {
            b'(' => depth += 1,
            b')' => {
                depth -= 1;
                if depth == 0 {
                    return Some(i);
                }
            }
            _ => {}
        }
    }

    None
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_find_matching_brace() {
        let content = "{ foo { bar } baz }";
        let close = find_matching_brace(content, 0);
        assert_eq!(close, Some(18));
    }

    #[test]
    fn test_extract_braced_content() {
        let content = "prefix { inner content } suffix";
        let (extracted, start, end) = extract_braced_content(content, 0).unwrap();
        assert_eq!(extracted, "{ inner content }");
        assert_eq!(start, 7);
        assert_eq!(end, 23);
    }

    #[test]
    fn test_extract_parenthesized_content() {
        let content = "function(arg1, arg2) { body }";
        let (extracted, start, end) = extract_parenthesized_content(content, 0).unwrap();
        assert_eq!(extracted, "(arg1, arg2)");
        assert_eq!(start, 8);
        assert_eq!(end, 19);
    }

    #[test]
    fn test_nested_braces() {
        let content = "{ outer { inner { nested } } }";
        let close = find_matching_brace(content, 0);
        assert_eq!(close, Some(29));
    }
}