NGlycanHybrid CreateByAddFucCore()
        {
            var g = new NGlycanHybrid();

            g.SetTable(table_);
            g.table_[2] = 1;
            g.SetComposition(composite);
            g.AddMonosaccharide(Monosaccharide.Fuc);
            return(g);
        }
        NGlycanHybrid CreateByAddGlcNAcBisect()
        {
            var g = new NGlycanHybrid();

            g.SetTable(table_);
            g.table_[3] = 1;
            g.SetComposition(composite);
            g.AddMonosaccharide(Monosaccharide.GlcNAc);
            return(g);
        }
        NGlycanHybrid CreateByAddManCore()
        {
            var g = new NGlycanHybrid();

            g.SetTable(table_);
            g.table_[1] = g.table_[1] + 1;
            g.SetComposition(composite);
            g.AddMonosaccharide(Monosaccharide.Man);
            glycans.Add(g);
            return(g);
        }
        List <NGlycanHybrid> CreateByAddManBranch()
        {
            List <NGlycanHybrid> glycans = new List <NGlycanHybrid>();

            for (int i = 0; i < 2; i++)
            {
                if (i == 0 || table_[i + 4] < table_[i + 3]) // make it order
                {
                    var g = new NGlycanHybrid();
                    g.SetTable(table_);
                    g.table_[i + 4] = g.table_[i + 4] + 1;
                    g.SetComposition(composite);
                    g.AddMonosaccharide(Monosaccharide.Man);
                    glycans.Add(g);
                }
            }
            return(glycans);
        }
        List <NGlycanHybrid> CreateByAddNeuGc()
        {
            List <NGlycanHybrid> glycans = new List <NGlycanHybrid>();

            for (int i = 0; i < 2; i++)
            {
                if (i == 0 || table_[i + 14] < table_[i + 13]) // make it order
                {
                    if (table_[i + 6] > 0 && table_[i + 6] == table_[i + 8] && table_[i + 12] == 0 && table_[i + 14] == 0)
                    {
                        var g = new NGlycanHybrid();
                        g.SetTable(table_);
                        g.table_[i + 14] = 1;
                        g.SetComposition(composite);
                        g.AddMonosaccharide(Monosaccharide.NeuGc);
                        glycans.Add(g);
                    }
                }
            }
            return(glycans);
        }
        List <NGlycanHybrid> CreateByAddFucTerminal()
        {
            List <NGlycanHybrid> glycans = new List <NGlycanHybrid>();

            for (int i = 0; i < 2; i++)
            {
                if (i == 0 || table_[i + 10] < table_[i + 9]) // make it order
                {
                    if (table_[i + 10] == 0 && table_[i + 6] > 0)
                    {
                        var g = new NGlycanHybrid();
                        g.SetTable(table_);
                        g.table_[i + 10] = 1;
                        g.SetComposition(composite);
                        g.AddMonosaccharide(Monosaccharide.Fuc);
                        glycans.Add(g);
                    }
                }
            }
            return(glycans);
        }
        List <NGlycanHybrid> CreateByAddGal()
        {
            List <NGlycanHybrid> glycans = new List <NGlycanHybrid>();

            for (int i = 0; i < 2; i++)
            {
                if (i == 0 || table_[i + 8] < table_[i + 7]) // make it order
                {
                    if (table_[i + 6] == table_[i + 8] + 1)
                    {
                        var g = new NGlycanHybrid();
                        g.SetTable(table_);
                        g.table_[i + 8] = g.table_[i + 8] + 1;
                        g.SetComposition(composite);
                        g.AddMonosaccharide(Monosaccharide.Gal);
                        glycans.Add(g);
                    }
                }
            }
            return(glycans);
        }
        public override List <IGlycan> Grow(Monosaccharide monosaccharide)
        {
            List <IGlycan> glycans = new List <IGlycan>();

            switch (monosaccharide)
            {
            case Monosaccharide.GlcNAc:
                if (ValidAddGlcNAcCore())
                {
                    NGlycanHybrid ptr = CreateByAddGlcNAcCore();
                    glycans.Add(ptr);
                }
                else if (ValidAddGlcNAc())
                {
                    if (ValidAddGlcNAcBisect())
                    {
                        NGlycanHybrid ptr = CreateByAddGlcNAcBisect();
                        glycans.Add(ptr);
                    }
                    if (ValidAddGlcNAcBranch())
                    {
                        List <NGlycanHybrid> gs = CreateByAddGlcNAcBranch();
                        glycans.AddRange(gs);
                    }
                }
                break;

            case Monosaccharide.Man:
                if (ValidAddManCore())
                {
                    NGlycanHybrid ptr = CreateByAddManCore();
                    glycans.Add(ptr);
                }
                else if (ValidAddManBranch())
                {
                    List <NGlycanHybrid> gs = CreateByAddManBranch();
                    glycans.AddRange(gs);
                }
                break;

            case Monosaccharide.Gal:
                if (ValidAddGal())
                {
                    List <NGlycanHybrid> gs = CreateByAddGal();
                    glycans.AddRange(gs);
                }
                break;

            case Monosaccharide.Fuc:
                if (ValidAddFucCore())
                {
                    NGlycanHybrid ptr = CreateByAddFucCore();
                    glycans.Add(ptr);
                }
                if (ValidAddFucTerminal())
                {
                    List <NGlycanHybrid> gs = CreateByAddFucTerminal();
                    glycans.AddRange(gs);
                }
                break;

            case Monosaccharide.NeuAc:
                if (ValidAddNeuAc())
                {
                    List <NGlycanHybrid> gs = CreateByAddNeuAc();
                    glycans.AddRange(gs);
                }
                break;

            case Monosaccharide.NeuGc:
                if (ValidAddNeuGc())
                {
                    List <NGlycanHybrid> gs = CreateByAddNeuGc();
                    glycans.AddRange(gs);
                }
                break;

            default:
                break;
            }
            return(glycans);
        }