Function get_file_with_options

atomic-core/src/output/crdt.rs:417–445

Retrieve a complete file with options.

(
    txn: &mut T,
    path: &str,
    options: &RetrievalOptions,
)

/// Retrieve a complete file with options.
pub fn get_file_with_options<T: MutTxnT>(
    txn: &mut T,
    path: &str,
    options: &RetrievalOptions,
) -> PristineResult<Option<File>> {
    // Look up trunk by path
    let trunk_id = match txn.get_trunk_by_path(path)? {
        Some(id) => id,
        None => return Ok(None), // File not found
    };

    let trunk_key = encode_trunk_id(&trunk_id);

    // Get trunk metadata
    let trunk_data = match txn.get_crdt_trunk(&trunk_key)? {
        Some(data) => data,
        None => return Ok(None), // Trunk not found
    };

    let mut file = File::new(trunk_id, &trunk_data);

    // Get all lines
    let lines = get_file_lines_by_trunk(txn, trunk_id, options)?;
    for line in lines {
        file.add_line(line);
    }

    Ok(Some(file))
}

/// Check if a file exists in the CRDT tables.
pub fn file_exists<T: MutTxnT>(txn: &mut T, path: &str) -> PristineResult<bool> {