fn approximate_offset) -> usize()

in common/rusty_leveldb_sgx/src/version_set.rs [263:282]

• 19 lines of code
• 7 McCabe index (conditional complexity)

    fn approximate_offset<'a>(&self, v: &Shared<Version>, key: InternalKey<'a>) -> usize {
        let mut offset = 0;
        for level in 0..NUM_LEVELS {
            for f in &v.borrow().files[level] {
                if self.opt.cmp.cmp(&f.borrow().largest, key) <= Ordering::Equal {
                    offset += f.borrow().size;
                } else if self.opt.cmp.cmp(&f.borrow().smallest, key) == Ordering::Greater {
                    // In higher levels, files are sorted; we don't need to search further.
                    if level > 0 {
                        break;
                    }
                } else {
                    if let Ok(tbl) = self.cache.borrow_mut().get_table(f.borrow().num) {
                        offset += tbl.approx_offset_of(key);
                    }
                }
            }
        }
        offset
    }