Esempio n. 1
0
        public static void AddFastaToArcog(FastaObj fasta, ArCOGObj arcog)
        {
            List<FastaObj> fastaList;
            if (!Program.activeArCOGFastaClasses.TryGetValue(arcog, out fastaList))
            {
                fastaList = new List<FastaObj>();
                Program.activeArCOGFastaClasses.Add(arcog, fastaList);
            }

            fastaList.Add(fasta);
        }
        public BlastEntry(string header, string info)
        {
            this.rawHeader = header;
            this.rawInfo = info;

            var index = info.IndexOf("Score");
            var endIndex = info.IndexOf(",", index);

            var ss1 = info.Substring(index, endIndex - index).Replace(" ", "");
            var ts1 = ss1.IndexOf('=') + 1;
            var scoreSTR = ss1.Substring(ts1, ss1.IndexOf('b') - ts1);
            var score = Convert.ToDouble(scoreSTR);

            index = info.IndexOf("Expect");
            endIndex = info.IndexOf(",", index);

            ss1 = info.Substring(index, endIndex - index).Replace(" ", "");
            ts1 = ss1.IndexOf('=') + 1;
            var evalueSTR = ss1.Substring(ts1, ss1.Length - ts1);
            var eindex = evalueSTR.IndexOf('e');

            var evalue = 0.0;
            if (eindex != -1)
            {
                var v1 = evalueSTR.Substring(0, eindex);
                var v2 = evalueSTR.Substring(eindex + 1);
                evalue = Convert.ToDouble(v1) * Math.Pow(10, Convert.ToDouble(v2));
            }
            else
            {
                evalue = Convert.ToDouble(evalueSTR);
            }

            index = info.IndexOf("Identities");
            endIndex = info.IndexOf(",", index);

            ss1 = info.Substring(index, endIndex - index).Replace(" ", "");
            ts1 = ss1.IndexOf('(') + 1;
            var identity = Convert.ToDouble(ss1.Substring(ts1, ss1.IndexOf("%") - ts1)) / 100.0;

            this.blastFasta = new FastaObj(header, null);

            this.Score = score;
            this.EValue = evalue;
            this.Identity = identity;

            return;
        }
Esempio n. 3
0
        public BlastObj(string queryPath, string blastTextPath)
        {
            var qTxt = Management.GetTextFromFile(queryPath);
            var bTxt = Management.GetTextFromFile(blastTextPath);

            this.queryFasta = new FastaObj(qTxt[0], qTxt[1]);

            var btxtL = bTxt.ToList<String>();
            var changed = false;
            for (int i = 0; i < btxtL.Count; i++)
            {
                var cnt = 0;
                var ns = new List<String>();
                for (int j = 0; j < btxtL[i].Length; j++)
                {
                    if (btxtL[i][j] == '>')
                    {
                        cnt++;

                        if (cnt == 1)
                            continue;

                        changed = true;

                        ns.Add(btxtL[i].Substring(0, j));
                        btxtL[i] = btxtL[i].Substring(j);
                        j = 0;
                    }

                    continue;
                }

                while (ns.Count > 0)
                {
                    btxtL.Insert(i + 1, ns[0]);
                    ns.RemoveAt(0);
                }
            }

            if (changed)
                bTxt = btxtL.ToArray<string>();

            int curRowIndex = 0;
            while (curRowIndex < bTxt.Length)
            {
                int startIndex = bTxt[curRowIndex].IndexOf(@">", 0);
                if (startIndex == -1)
                {
                    curRowIndex++;
                    continue;
                }

                int i = 1, headerEndIndex = -1, fastaEndIndex = -1;
                for (i = 1; i + curRowIndex <= bTxt.Length; i++)
                {
                    if ((headerEndIndex != -1 && fastaEndIndex != -1))
                        break;

                    if (i + curRowIndex >= bTxt.Length)
                    {
                        if (headerEndIndex != -1 && fastaEndIndex == -1)
                            fastaEndIndex = i + curRowIndex - 1;
                        break;
                    }

                    if (headerEndIndex == -1 && bTxt[i + curRowIndex].Contains("]"))
                        headerEndIndex = i + curRowIndex;

                    if (fastaEndIndex == -1 && headerEndIndex != -1 && bTxt[i + curRowIndex].Contains(">"))
                        fastaEndIndex = (i - 1) + curRowIndex;

                    continue;
                }
                if (headerEndIndex == -1 || fastaEndIndex == -1)
                    break;

                var header = "";
                var fastaInfo = "";

                for (i = curRowIndex; i <= headerEndIndex; i++)
                    if (bTxt[i].Contains('>'))
                        header += bTxt[i].Substring(bTxt[i].IndexOf(">"));
                    else
                        header += bTxt[i];

                for (i = headerEndIndex + 1; i <= fastaEndIndex; i++)
                    fastaInfo += bTxt[i];

                var hei = header.IndexOf("Length=");
                if (hei != -1 && hei + 1 < header.Length)
                {
                    fastaInfo = header.Substring(hei) + fastaInfo;
                    header = header.Substring(0, hei);
                }

                var be = new BlastEntry(header, fastaInfo);

                this.entries.Add(be);

                curRowIndex++;
                continue;
            }

            /*
            var x = 0;
            var ids = new List<int>();
            foreach (String s in bTxt)
                foreach (Char c in s)
                {
                    if (c == '>')
                    {
                        x++;

                        var ind = s.IndexOf("|", 5);
                        var ts = s.Substring(5, ind - 5);
                        ids.Add(Convert.ToInt32(ts));
                    }

                }

            var ids2 = new List<int>();
            foreach (BlastEntry be in this.entries)
                ids2.Add(be.fastaInfo.giID);
            foreach(int id in ids)
                if (!ids2.Contains(id))
                {
                    continue;
                }*/

            return;
        }