GitSharp.Core.DirectoryCache.DirCacheEntry.getFileMode C# (CSharp) Method

        public FileMode getFileMode()
        {
            return FileMode.FromBits(getRawMode());
        }

        private int ComputeSize(DirCacheEntry[] cache, int cIdx, int pathOffset, ObjectWriter ow)
        {
            int endIdx   = cIdx + _entrySpan;
            int childIdx = 0;
            int entryIdx = cIdx;
            int size     = 0;

            while (entryIdx < endIdx)
            {
                DirCacheEntry e = cache[entryIdx];
                if (e.getStage() != 0)
                {
                    throw new UnmergedPathException(e);
                }

                byte[] ep = e.Path;
                if (childIdx < _childCount)
                {
                    DirCacheTree st = _children[childIdx];
                    if (st.contains(ep, pathOffset, ep.Length))
                    {
                        int stOffset = pathOffset + st.nameLength() + 1;
                        st.writeTree(cache, entryIdx, stOffset, ow);

                        size += FileMode.Tree.copyToLength();
                        size += st.nameLength();
                        size += Constants.OBJECT_ID_LENGTH + 2;

                        entryIdx += st._entrySpan;
                        childIdx++;
                        continue;
                    }
                }

                FileMode mode = e.getFileMode();

                size += mode.copyToLength();
                size += ep.Length - pathOffset;
                size += Constants.OBJECT_ID_LENGTH + 2;
                entryIdx++;
            }

            return(size);
        }