GitSharp.Core.WorkDirCheckout.ProcessEntry C# (CSharp) Method

        private void ProcessEntry(TreeEntry h, TreeEntry m, GitIndex.Entry i)
        {
            ObjectId iId = (i == null ? null : i.ObjectId);
            ObjectId mId = (m == null ? null : m.Id);
            ObjectId hId = (h == null ? null : h.Id);

            string name = (i != null ? i.Name : (h != null ? h.FullName : m.FullName));

            if (i == null)
            {
                //
                //				    I (index)                H        M        Result
                //			        -------------------------------------------------------
                //			        0 nothing             nothing  nothing  (does not happen)
                //			        1 nothing             nothing  exists   use M
                //			        2 nothing             exists   nothing  remove path from index
                //			        3 nothing             exists   exists   use M

                if (h == null)
                {
                    _updated.Add(name, mId);
                }
                else if (m == null)
                {
                    Removed.Add(name);
                }
                else
                {
                    _updated.Add(name, mId);
                }
            }
            else if (h == null)
            {
                //
                //					  clean I==H  I==M       H        M        Result
                //			         -----------------------------------------------------
                //			        4 yes   N/A   N/A     nothing  nothing  keep index
                //			        5 no    N/A   N/A     nothing  nothing  keep index
                //
                //			        6 yes   N/A   yes     nothing  exists   keep index
                //			        7 no    N/A   yes     nothing  exists   keep index
                //			        8 yes   N/A   no      nothing  exists   fail
                //			        9 no    N/A   no      nothing  exists   fail

                if (m == null || mId.Equals(iId))
                {
                    if (HasParentBlob(_merge, name))
                    {
                        if (i.IsModified(_root, true))
                        {
                            Conflicts.Add(name);
                        }
                        else
                        {
                            Removed.Add(name);
                        }
                    }
                }
                else
                {
                    Conflicts.Add(name);
                }
            }
            else if (m == null)
            {
                //
                //					10 yes   yes   N/A     exists   nothing  remove path from index
                //			        11 no    yes   N/A     exists   nothing  fail
                //			        12 yes   no    N/A     exists   nothing  fail
                //			        13 no    no    N/A     exists   nothing  fail
                //

                if (hId.Equals(iId))
                {
                    if (i.IsModified(_root, true))
                    {
                        Conflicts.Add(name);
                    }
                    else
                    {
                        Removed.Add(name);
                    }
                }
                else
                {
                    Conflicts.Add(name);
                }
            }
            else
            {
                if (!hId.Equals(mId) && !hId.Equals(iId) && !mId.Equals(iId))
                {
                    Conflicts.Add(name);
                }
                else if (hId.Equals(iId) && !mId.Equals(iId))
                {
                    if (i.IsModified(_root, true))
                    {
                        Conflicts.Add(name);
                    }
                    else
                    {
                        _updated.Add(name, mId);
                    }
                }
            }
        }