Function read_sparse_tile

nodedb-array/src/segment/reader.rs:108–118

Dispatch sparse tile decoding by peeking the tag byte. - Recognized tag (0 or 1): delegate to `decode_sparse_tile`. - Empty payload or unrecognized byte: return a corruption error.

(payload: &[u8])

/// - Recognized tag (0 or 1): delegate to `decode_sparse_tile`.
/// - Empty payload or unrecognized byte: return a corruption error.
fn read_sparse_tile(payload: &[u8]) -> ArrayResult<SparseTile> {
    match peek_tag(payload) {
        Some(_) => decode_sparse_tile(payload),
        None => Err(ArrayError::SegmentCorruption {
            detail: format!(
                "sparse tile has unrecognized tag byte {:#04x}",
                payload.first().copied().unwrap_or(0)
            ),
        }),
    }
}

/// Decoded tile payload.
#[derive(Debug, Clone, PartialEq)]