--- /dev/null
+/*
+ * trimoligos.cpp
+ * Mothur
+ *
+ * Created by westcott on 9/1/11.
+ * Copyright 2011 Schloss Lab. All rights reserved.
+ *
+ */
+
+#include "trimoligos.h"
+#include "alignment.hpp"
+#include "needlemanoverlap.hpp"
+
+
+/********************************************************************/
+//strip, pdiffs, bdiffs, primers, barcodes, revPrimers
+TrimOligos::TrimOligos(int p, int b, int l, int s, map<string, int> pr, map<string, int> br, vector<string> r, vector<string> lk, vector<string> sp){
+ try {
+ m = MothurOut::getInstance();
+
+ pdiffs = p;
+ bdiffs = b;
+ ldiffs = l;
+ sdiffs = s;
+
+ barcodes = br;
+ primers = pr;
+ revPrimer = r;
+ linker = lk;
+ spacer = sp;
+ }
+ catch(exception& e) {
+ m->errorOut(e, "TrimOligos", "TrimOligos");
+ exit(1);
+ }
+}
+/********************************************************************/
+//strip, pdiffs, bdiffs, primers, barcodes, revPrimers
+TrimOligos::TrimOligos(int p, int b, map<string, int> pr, map<string, int> br, vector<string> r){
+ try {
+ m = MothurOut::getInstance();
+
+ pdiffs = p;
+ bdiffs = b;
+
+ barcodes = br;
+ primers = pr;
+ revPrimer = r;
+ }
+ catch(exception& e) {
+ m->errorOut(e, "TrimOligos", "TrimOligos");
+ exit(1);
+ }
+}
+/********************************************************************/
+TrimOligos::~TrimOligos() {}
+//*******************************************************************/
+int TrimOligos::stripBarcode(Sequence& seq, QualityScores& qual, int& group){
+ try {
+
+ string rawSequence = seq.getUnaligned();
+ int success = bdiffs + 1; //guilty until proven innocent
+
+ //can you find the barcode
+ for(map<string,int>::iterator it=barcodes.begin();it!=barcodes.end();it++){
+ string oligo = it->first;
+ if(rawSequence.length() < oligo.length()){ //let's just assume that the barcodes are the same length
+ success = bdiffs + 10; //if the sequence is shorter than the barcode then bail out
+ break;
+ }
+
+ if(compareDNASeq(oligo, rawSequence.substr(0,oligo.length()))){
+ group = it->second;
+ seq.setUnaligned(rawSequence.substr(oligo.length()));
+
+ if(qual.getName() != ""){
+ qual.trimQScores(oligo.length(), -1);
+ }
+
+ success = 0;
+ break;
+ }
+ }
+
+ //if you found the barcode or if you don't want to allow for diffs
+ if ((bdiffs == 0) || (success == 0)) { return success; }
+
+ else { //try aligning and see if you can find it
+
+ int maxLength = 0;
+
+ Alignment* alignment;
+ if (barcodes.size() > 0) {
+ map<string,int>::iterator it;
+
+ for(it=barcodes.begin();it!=barcodes.end();it++){
+ if(it->first.length() > maxLength){
+ maxLength = it->first.length();
+ }
+ }
+ alignment = new NeedlemanOverlap(-1.0, 1.0, -1.0, (maxLength+bdiffs+1));
+
+ }else{ alignment = NULL; }
+
+ //can you find the barcode
+ int minDiff = 1e6;
+ int minCount = 1;
+ int minGroup = -1;
+ int minPos = 0;
+
+ for(map<string,int>::iterator it=barcodes.begin();it!=barcodes.end();it++){
+ string oligo = it->first;
+ // int length = oligo.length();
+
+ if(rawSequence.length() < maxLength){ //let's just assume that the barcodes are the same length
+ success = bdiffs + 10;
+ break;
+ }
+
+ //use needleman to align first barcode.length()+numdiffs of sequence to each barcode
+ alignment->align(oligo, rawSequence.substr(0,oligo.length()+bdiffs));
+ oligo = alignment->getSeqAAln();
+ string temp = alignment->getSeqBAln();
+
+ int alnLength = oligo.length();
+
+ for(int i=oligo.length()-1;i>=0;i--){
+ if(oligo[i] != '-'){ alnLength = i+1; break; }
+ }
+ oligo = oligo.substr(0,alnLength);
+ temp = temp.substr(0,alnLength);
+
+ int numDiff = countDiffs(oligo, temp);
+
+ if(numDiff < minDiff){
+ minDiff = numDiff;
+ minCount = 1;
+ minGroup = it->second;
+ minPos = 0;
+ for(int i=0;i<alnLength;i++){
+ if(temp[i] != '-'){
+ minPos++;
+ }
+ }
+ }
+ else if(numDiff == minDiff){
+ minCount++;
+ }
+
+ }
+
+ if(minDiff > bdiffs) { success = minDiff; } //no good matches
+ else if(minCount > 1) { success = bdiffs + 100; } //can't tell the difference between multiple barcodes
+ else{ //use the best match
+ group = minGroup;
+ seq.setUnaligned(rawSequence.substr(minPos));
+
+ if(qual.getName() != ""){
+ qual.trimQScores(minPos, -1);
+ }
+ success = minDiff;
+ }
+
+ if (alignment != NULL) { delete alignment; }
+
+ }
+
+ return success;
+
+ }
+ catch(exception& e) {
+ m->errorOut(e, "TrimOligos", "stripBarcode");
+ exit(1);
+ }
+
+}
+//*******************************************************************/
+int TrimOligos::stripBarcode(Sequence& seq, int& group){
+ try {
+
+ string rawSequence = seq.getUnaligned();
+ int success = bdiffs + 1; //guilty until proven innocent
+
+ //can you find the barcode
+ for(map<string,int>::iterator it=barcodes.begin();it!=barcodes.end();it++){
+ string oligo = it->first;
+ if(rawSequence.length() < oligo.length()){ //let's just assume that the barcodes are the same length
+ success = bdiffs + 10; //if the sequence is shorter than the barcode then bail out
+ break;
+ }
+
+ if(compareDNASeq(oligo, rawSequence.substr(0,oligo.length()))){
+ group = it->second;
+ seq.setUnaligned(rawSequence.substr(oligo.length()));
+
+ success = 0;
+ break;
+ }
+ }
+
+ //if you found the barcode or if you don't want to allow for diffs
+ if ((bdiffs == 0) || (success == 0)) { return success; }
+
+ else { //try aligning and see if you can find it
+
+ int maxLength = 0;
+
+ Alignment* alignment;
+ if (barcodes.size() > 0) {
+ map<string,int>::iterator it=barcodes.begin();
+
+ for(map<string,int>::iterator it=barcodes.begin();it!=barcodes.end();it++){
+ if(it->first.length() > maxLength){
+ maxLength = it->first.length();
+ }
+ }
+ alignment = new NeedlemanOverlap(-1.0, 1.0, -1.0, (maxLength+bdiffs+1));
+
+ }else{ alignment = NULL; }
+
+ //can you find the barcode
+ int minDiff = 1e6;
+ int minCount = 1;
+ int minGroup = -1;
+ int minPos = 0;
+
+ for(map<string,int>::iterator it=barcodes.begin();it!=barcodes.end();it++){
+ string oligo = it->first;
+ // int length = oligo.length();
+
+ if(rawSequence.length() < maxLength){ //let's just assume that the barcodes are the same length
+ success = bdiffs + 10;
+ break;
+ }
+
+ //use needleman to align first barcode.length()+numdiffs of sequence to each barcode
+ alignment->align(oligo, rawSequence.substr(0,oligo.length()+bdiffs));
+ oligo = alignment->getSeqAAln();
+ string temp = alignment->getSeqBAln();
+
+ int alnLength = oligo.length();
+
+ for(int i=oligo.length()-1;i>=0;i--){
+ if(oligo[i] != '-'){ alnLength = i+1; break; }
+ }
+ oligo = oligo.substr(0,alnLength);
+ temp = temp.substr(0,alnLength);
+
+ int numDiff = countDiffs(oligo, temp);
+
+ if(numDiff < minDiff){
+ minDiff = numDiff;
+ minCount = 1;
+ minGroup = it->second;
+ minPos = 0;
+ for(int i=0;i<alnLength;i++){
+ if(temp[i] != '-'){
+ minPos++;
+ }
+ }
+ }
+ else if(numDiff == minDiff){
+ minCount++;
+ }
+
+ }
+
+ if(minDiff > bdiffs) { success = minDiff; } //no good matches
+ else if(minCount > 1) { success = bdiffs + 100; } //can't tell the difference between multiple barcodes
+ else{ //use the best match
+ group = minGroup;
+ seq.setUnaligned(rawSequence.substr(minPos));
+ success = minDiff;
+ }
+
+ if (alignment != NULL) { delete alignment; }
+
+ }
+
+ return success;
+
+ }
+ catch(exception& e) {
+ m->errorOut(e, "TrimOligos", "stripBarcode");
+ exit(1);
+ }
+
+}
+//********************************************************************/
+int TrimOligos::stripForward(Sequence& seq, int& group){
+ try {
+
+ string rawSequence = seq.getUnaligned();
+ int success = pdiffs + 1; //guilty until proven innocent
+
+ //can you find the primer
+ for(map<string,int>::iterator it=primers.begin();it!=primers.end();it++){
+ string oligo = it->first;
+ if(rawSequence.length() < oligo.length()){ //let's just assume that the primers are the same length
+ success = pdiffs + 10; //if the sequence is shorter than the barcode then bail out
+ break;
+ }
+
+ if(compareDNASeq(oligo, rawSequence.substr(0,oligo.length()))){
+ group = it->second;
+ seq.setUnaligned(rawSequence.substr(oligo.length()));
+ success = 0;
+ break;
+ }
+ }
+
+ //if you found the barcode or if you don't want to allow for diffs
+ if ((pdiffs == 0) || (success == 0)) { return success; }
+
+ else { //try aligning and see if you can find it
+
+ int maxLength = 0;
+
+ Alignment* alignment;
+ if (primers.size() > 0) {
+ map<string,int>::iterator it;
+
+ for(it=primers.begin();it!=primers.end();it++){
+ if(it->first.length() > maxLength){
+ maxLength = it->first.length();
+ }
+ }
+ alignment = new NeedlemanOverlap(-1.0, 1.0, -1.0, (maxLength+pdiffs+1));
+
+ }else{ alignment = NULL; }
+
+ //can you find the barcode
+ int minDiff = 1e6;
+ int minCount = 1;
+ int minGroup = -1;
+ int minPos = 0;
+
+ for(map<string,int>::iterator it=primers.begin();it!=primers.end();it++){
+ string oligo = it->first;
+ // int length = oligo.length();
+
+ if(rawSequence.length() < maxLength){
+ success = pdiffs + 100;
+ break;
+ }
+
+ //use needleman to align first barcode.length()+numdiffs of sequence to each barcode
+ alignment->align(oligo, rawSequence.substr(0,oligo.length()+pdiffs));
+ oligo = alignment->getSeqAAln();
+ string temp = alignment->getSeqBAln();
+
+ int alnLength = oligo.length();
+
+ for(int i=oligo.length()-1;i>=0;i--){
+ if(oligo[i] != '-'){ alnLength = i+1; break; }
+ }
+ oligo = oligo.substr(0,alnLength);
+ temp = temp.substr(0,alnLength);
+
+ int numDiff = countDiffs(oligo, temp);
+
+ if(numDiff < minDiff){
+ minDiff = numDiff;
+ minCount = 1;
+ minGroup = it->second;
+ minPos = 0;
+ for(int i=0;i<alnLength;i++){
+ if(temp[i] != '-'){
+ minPos++;
+ }
+ }
+ }
+ else if(numDiff == minDiff){
+ minCount++;
+ }
+
+ }
+
+ if(minDiff > pdiffs) { success = minDiff; } //no good matches
+ else if(minCount > 1) { success = pdiffs + 10; } //can't tell the difference between multiple primers
+ else{ //use the best match
+ group = minGroup;
+ seq.setUnaligned(rawSequence.substr(minPos));
+ success = minDiff;
+ }
+
+ if (alignment != NULL) { delete alignment; }
+
+ }
+
+ return success;
+
+ }
+ catch(exception& e) {
+ m->errorOut(e, "TrimOligos", "stripForward");
+ exit(1);
+ }
+}
+//*******************************************************************/
+int TrimOligos::stripForward(Sequence& seq, QualityScores& qual, int& group, bool keepForward){
+ try {
+ string rawSequence = seq.getUnaligned();
+ int success = pdiffs + 1; //guilty until proven innocent
+
+ //can you find the primer
+ for(map<string,int>::iterator it=primers.begin();it!=primers.end();it++){
+ string oligo = it->first;
+ if(rawSequence.length() < oligo.length()){ //let's just assume that the primers are the same length
+ success = pdiffs + 10; //if the sequence is shorter than the barcode then bail out
+ break;
+ }
+
+ if(compareDNASeq(oligo, rawSequence.substr(0,oligo.length()))){
+ group = it->second;
+ if (!keepForward) { seq.setUnaligned(rawSequence.substr(oligo.length())); }
+ if(qual.getName() != ""){
+ if (!keepForward) { qual.trimQScores(oligo.length(), -1); }
+ }
+ success = 0;
+ break;
+ }
+ }
+
+ //if you found the barcode or if you don't want to allow for diffs
+ if ((pdiffs == 0) || (success == 0)) { return success; }
+
+ else { //try aligning and see if you can find it
+
+ int maxLength = 0;
+
+ Alignment* alignment;
+ if (primers.size() > 0) {
+ map<string,int>::iterator it;
+
+ for(it=primers.begin();it!=primers.end();it++){
+ if(it->first.length() > maxLength){
+ maxLength = it->first.length();
+ }
+ }
+ alignment = new NeedlemanOverlap(-1.0, 1.0, -1.0, (maxLength+pdiffs+1));
+
+ }else{ alignment = NULL; }
+
+ //can you find the barcode
+ int minDiff = 1e6;
+ int minCount = 1;
+ int minGroup = -1;
+ int minPos = 0;
+
+ for(map<string,int>::iterator it=primers.begin();it!=primers.end();it++){
+ string oligo = it->first;
+ // int length = oligo.length();
+
+ if(rawSequence.length() < maxLength){
+ success = pdiffs + 100;
+ break;
+ }
+
+ //use needleman to align first barcode.length()+numdiffs of sequence to each barcode
+ alignment->align(oligo, rawSequence.substr(0,oligo.length()+pdiffs));
+ oligo = alignment->getSeqAAln();
+ string temp = alignment->getSeqBAln();
+
+ int alnLength = oligo.length();
+
+ for(int i=oligo.length()-1;i>=0;i--){
+ if(oligo[i] != '-'){ alnLength = i+1; break; }
+ }
+ oligo = oligo.substr(0,alnLength);
+ temp = temp.substr(0,alnLength);
+
+ int numDiff = countDiffs(oligo, temp);
+
+ if(numDiff < minDiff){
+ minDiff = numDiff;
+ minCount = 1;
+ minGroup = it->second;
+ minPos = 0;
+ for(int i=0;i<alnLength;i++){
+ if(temp[i] != '-'){
+ minPos++;
+ }
+ }
+ }
+ else if(numDiff == minDiff){
+ minCount++;
+ }
+
+ }
+
+ if(minDiff > pdiffs) { success = minDiff; } //no good matches
+ else if(minCount > 1) { success = pdiffs + 10; } //can't tell the difference between multiple primers
+ else{ //use the best match
+ group = minGroup;
+ if (!keepForward) { seq.setUnaligned(rawSequence.substr(minPos)); }
+ if(qual.getName() != ""){
+ if (!keepForward) { qual.trimQScores(minPos, -1); }
+ }
+ success = minDiff;
+ }
+
+ if (alignment != NULL) { delete alignment; }
+
+ }
+
+ return success;
+
+ }
+ catch(exception& e) {
+ m->errorOut(e, "TrimOligos", "stripForward");
+ exit(1);
+ }
+}
+//******************************************************************/
+bool TrimOligos::stripReverse(Sequence& seq, QualityScores& qual){
+ try {
+ string rawSequence = seq.getUnaligned();
+ bool success = 0; //guilty until proven innocent
+
+ for(int i=0;i<revPrimer.size();i++){
+ string oligo = revPrimer[i];
+
+ if(rawSequence.length() < oligo.length()){
+ success = 0;
+ break;
+ }
+
+ if(compareDNASeq(oligo, rawSequence.substr(rawSequence.length()-oligo.length(),oligo.length()))){
+ seq.setUnaligned(rawSequence.substr(0,rawSequence.length()-oligo.length()));
+ if(qual.getName() != ""){
+ qual.trimQScores(-1, rawSequence.length()-oligo.length());
+ }
+ success = 1;
+ break;
+ }
+ }
+ return success;
+
+ }
+ catch(exception& e) {
+ m->errorOut(e, "TrimOligos", "stripReverse");
+ exit(1);
+ }
+}
+//******************************************************************/
+bool TrimOligos::stripReverse(Sequence& seq){
+ try {
+
+ string rawSequence = seq.getUnaligned();
+ bool success = 0; //guilty until proven innocent
+
+ for(int i=0;i<revPrimer.size();i++){
+ string oligo = revPrimer[i];
+
+ if(rawSequence.length() < oligo.length()){
+ success = 0;
+ break;
+ }
+
+ if(compareDNASeq(oligo, rawSequence.substr(rawSequence.length()-oligo.length(),oligo.length()))){
+ seq.setUnaligned(rawSequence.substr(0,rawSequence.length()-oligo.length()));
+ success = 1;
+ break;
+ }
+ }
+
+ return success;
+
+ }
+ catch(exception& e) {
+ m->errorOut(e, "TrimOligos", "stripReverse");
+ exit(1);
+ }
+}
+//******************************************************************/
+bool TrimOligos::stripLinker(Sequence& seq, QualityScores& qual){
+ try {
+ string rawSequence = seq.getUnaligned();
+ bool success = ldiffs + 1; //guilty until proven innocent
+
+ for(int i=0;i<linker.size();i++){
+ string oligo = linker[i];
+
+ if(rawSequence.length() < oligo.length()){
+ success = ldiffs + 10;
+ break;
+ }
+
+ if(compareDNASeq(oligo, rawSequence.substr(0,oligo.length()))){
+ seq.setUnaligned(rawSequence.substr(oligo.length()));
+ if(qual.getName() != ""){
+ qual.trimQScores(oligo.length(), -1);
+ }
+ success = 0;
+ break;
+ }
+ }
+
+ //if you found the linker or if you don't want to allow for diffs
+ if ((ldiffs == 0) || (success == 0)) { return success; }
+
+ else { //try aligning and see if you can find it
+
+ int maxLength = 0;
+
+ Alignment* alignment;
+ if (linker.size() > 0) {
+ for(int i = 0; i < linker.size(); i++){
+ if(linker[i].length() > maxLength){
+ maxLength = linker[i].length();
+ }
+ }
+ alignment = new NeedlemanOverlap(-1.0, 1.0, -1.0, (maxLength+ldiffs+1));
+
+ }else{ alignment = NULL; }
+
+ //can you find the barcode
+ int minDiff = 1e6;
+ int minCount = 1;
+ int minPos = 0;
+
+ for(int i = 0; i < linker.size(); i++){
+ string oligo = linker[i];
+ // int length = oligo.length();
+
+ if(rawSequence.length() < maxLength){ //let's just assume that the barcodes are the same length
+ success = ldiffs + 10;
+ break;
+ }
+
+ //use needleman to align first barcode.length()+numdiffs of sequence to each barcode
+ alignment->align(oligo, rawSequence.substr(0,oligo.length()+ldiffs));
+ oligo = alignment->getSeqAAln();
+ string temp = alignment->getSeqBAln();
+
+ int alnLength = oligo.length();
+
+ for(int i=oligo.length()-1;i>=0;i--){
+ if(oligo[i] != '-'){ alnLength = i+1; break; }
+ }
+ oligo = oligo.substr(0,alnLength);
+ temp = temp.substr(0,alnLength);
+
+ int numDiff = countDiffs(oligo, temp);
+
+ if(numDiff < minDiff){
+ minDiff = numDiff;
+ minCount = 1;
+ minPos = 0;
+ for(int i=0;i<alnLength;i++){
+ if(temp[i] != '-'){
+ minPos++;
+ }
+ }
+ }
+ else if(numDiff == minDiff){
+ minCount++;
+ }
+
+ }
+
+ if(minDiff > ldiffs) { success = minDiff; } //no good matches
+ else if(minCount > 1) { success = ldiffs + 100; } //can't tell the difference between multiple barcodes
+ else{ //use the best match
+ seq.setUnaligned(rawSequence.substr(minPos));
+
+ if(qual.getName() != ""){
+ qual.trimQScores(minPos, -1);
+ }
+ success = minDiff;
+ }
+
+ if (alignment != NULL) { delete alignment; }
+
+ }
+
+
+ return success;
+
+ }
+ catch(exception& e) {
+ m->errorOut(e, "TrimOligos", "stripLinker");
+ exit(1);
+ }
+}
+//******************************************************************/
+bool TrimOligos::stripLinker(Sequence& seq){
+ try {
+
+ string rawSequence = seq.getUnaligned();
+ bool success = ldiffs +1; //guilty until proven innocent
+
+ for(int i=0;i<linker.size();i++){
+ string oligo = linker[i];
+
+ if(rawSequence.length() < oligo.length()){
+ success = ldiffs +10;
+ break;
+ }
+
+ if(compareDNASeq(oligo, rawSequence.substr(0,oligo.length()))){
+ seq.setUnaligned(rawSequence.substr(oligo.length()));
+ success = 0;
+ break;
+ }
+ }
+
+ //if you found the linker or if you don't want to allow for diffs
+ if ((ldiffs == 0) || (success == 0)) { return success; }
+
+ else { //try aligning and see if you can find it
+
+ int maxLength = 0;
+
+ Alignment* alignment;
+ if (linker.size() > 0) {
+ for(int i = 0; i < linker.size(); i++){
+ if(linker[i].length() > maxLength){
+ maxLength = linker[i].length();
+ }
+ }
+ alignment = new NeedlemanOverlap(-1.0, 1.0, -1.0, (maxLength+ldiffs+1));
+
+ }else{ alignment = NULL; }
+
+ //can you find the barcode
+ int minDiff = 1e6;
+ int minCount = 1;
+ int minPos = 0;
+
+ for(int i = 0; i < linker.size(); i++){
+ string oligo = linker[i];
+ // int length = oligo.length();
+
+ if(rawSequence.length() < maxLength){ //let's just assume that the barcodes are the same length
+ success = ldiffs + 10;
+ break;
+ }
+
+ //use needleman to align first barcode.length()+numdiffs of sequence to each barcode
+ alignment->align(oligo, rawSequence.substr(0,oligo.length()+ldiffs));
+ oligo = alignment->getSeqAAln();
+ string temp = alignment->getSeqBAln();
+
+ int alnLength = oligo.length();
+
+ for(int i=oligo.length()-1;i>=0;i--){
+ if(oligo[i] != '-'){ alnLength = i+1; break; }
+ }
+ oligo = oligo.substr(0,alnLength);
+ temp = temp.substr(0,alnLength);
+
+ int numDiff = countDiffs(oligo, temp);
+
+ if(numDiff < minDiff){
+ minDiff = numDiff;
+ minCount = 1;
+ minPos = 0;
+ for(int i=0;i<alnLength;i++){
+ if(temp[i] != '-'){
+ minPos++;
+ }
+ }
+ }
+ else if(numDiff == minDiff){
+ minCount++;
+ }
+
+ }
+
+ if(minDiff > ldiffs) { success = minDiff; } //no good matches
+ else if(minCount > 1) { success = ldiffs + 100; } //can't tell the difference between multiple barcodes
+ else{ //use the best match
+ seq.setUnaligned(rawSequence.substr(minPos));
+ success = minDiff;
+ }
+
+ if (alignment != NULL) { delete alignment; }
+
+ }
+
+ return success;
+
+ }
+ catch(exception& e) {
+ m->errorOut(e, "TrimOligos", "stripLinker");
+ exit(1);
+ }
+}
+
+//******************************************************************/
+bool TrimOligos::stripSpacer(Sequence& seq, QualityScores& qual){
+ try {
+ string rawSequence = seq.getUnaligned();
+ bool success = sdiffs+1; //guilty until proven innocent
+
+ for(int i=0;i<spacer.size();i++){
+ string oligo = spacer[i];
+
+ if(rawSequence.length() < oligo.length()){
+ success = sdiffs+10;
+ break;
+ }
+
+ if(compareDNASeq(oligo, rawSequence.substr(0,oligo.length()))){
+ seq.setUnaligned(rawSequence.substr(oligo.length()));
+ if(qual.getName() != ""){
+ qual.trimQScores(oligo.length(), -1);
+ }
+ success = 0;
+ break;
+ }
+ }
+
+ //if you found the spacer or if you don't want to allow for diffs
+ if ((sdiffs == 0) || (success == 0)) { return success; }
+
+ else { //try aligning and see if you can find it
+
+ int maxLength = 0;
+
+ Alignment* alignment;
+ if (spacer.size() > 0) {
+ for(int i = 0; i < spacer.size(); i++){
+ if(spacer[i].length() > maxLength){
+ maxLength = spacer[i].length();
+ }
+ }
+ alignment = new NeedlemanOverlap(-1.0, 1.0, -1.0, (maxLength+sdiffs+1));
+
+ }else{ alignment = NULL; }
+
+ //can you find the barcode
+ int minDiff = 1e6;
+ int minCount = 1;
+ int minPos = 0;
+
+ for(int i = 0; i < spacer.size(); i++){
+ string oligo = spacer[i];
+ // int length = oligo.length();
+
+ if(rawSequence.length() < maxLength){ //let's just assume that the barcodes are the same length
+ success = sdiffs + 10;
+ break;
+ }
+
+ //use needleman to align first barcode.length()+numdiffs of sequence to each barcode
+ alignment->align(oligo, rawSequence.substr(0,oligo.length()+sdiffs));
+ oligo = alignment->getSeqAAln();
+ string temp = alignment->getSeqBAln();
+
+ int alnLength = oligo.length();
+
+ for(int i=oligo.length()-1;i>=0;i--){
+ if(oligo[i] != '-'){ alnLength = i+1; break; }
+ }
+ oligo = oligo.substr(0,alnLength);
+ temp = temp.substr(0,alnLength);
+
+ int numDiff = countDiffs(oligo, temp);
+
+ if(numDiff < minDiff){
+ minDiff = numDiff;
+ minCount = 1;
+ minPos = 0;
+ for(int i=0;i<alnLength;i++){
+ if(temp[i] != '-'){
+ minPos++;
+ }
+ }
+ }
+ else if(numDiff == minDiff){
+ minCount++;
+ }
+
+ }
+
+ if(minDiff > sdiffs) { success = minDiff; } //no good matches
+ else if(minCount > 1) { success = sdiffs + 100; } //can't tell the difference between multiple barcodes
+ else{ //use the best match
+ seq.setUnaligned(rawSequence.substr(minPos));
+
+ if(qual.getName() != ""){
+ qual.trimQScores(minPos, -1);
+ }
+ success = minDiff;
+ }
+
+ if (alignment != NULL) { delete alignment; }
+
+ }
+
+
+ return success;
+
+ }
+ catch(exception& e) {
+ m->errorOut(e, "TrimOligos", "stripSpacer");
+ exit(1);
+ }
+}
+//******************************************************************/
+bool TrimOligos::stripSpacer(Sequence& seq){
+ try {
+
+ string rawSequence = seq.getUnaligned();
+ bool success = sdiffs+1; //guilty until proven innocent
+
+ for(int i=0;i<spacer.size();i++){
+ string oligo = spacer[i];
+
+ if(rawSequence.length() < oligo.length()){
+ success = sdiffs+10;
+ break;
+ }
+
+ if(compareDNASeq(oligo, rawSequence.substr(0,oligo.length()))){
+ seq.setUnaligned(rawSequence.substr(oligo.length()));
+ success = 0;
+ break;
+ }
+ }
+
+ //if you found the spacer or if you don't want to allow for diffs
+ if ((sdiffs == 0) || (success == 0)) { return success; }
+
+ else { //try aligning and see if you can find it
+
+ int maxLength = 0;
+
+ Alignment* alignment;
+ if (spacer.size() > 0) {
+ for(int i = 0; i < spacer.size(); i++){
+ if(spacer[i].length() > maxLength){
+ maxLength = spacer[i].length();
+ }
+ }
+ alignment = new NeedlemanOverlap(-1.0, 1.0, -1.0, (maxLength+sdiffs+1));
+
+ }else{ alignment = NULL; }
+
+ //can you find the barcode
+ int minDiff = 1e6;
+ int minCount = 1;
+ int minPos = 0;
+
+ for(int i = 0; i < spacer.size(); i++){
+ string oligo = spacer[i];
+ // int length = oligo.length();
+
+ if(rawSequence.length() < maxLength){ //let's just assume that the barcodes are the same length
+ success = sdiffs + 10;
+ break;
+ }
+
+ //use needleman to align first barcode.length()+numdiffs of sequence to each barcode
+ alignment->align(oligo, rawSequence.substr(0,oligo.length()+sdiffs));
+ oligo = alignment->getSeqAAln();
+ string temp = alignment->getSeqBAln();
+
+ int alnLength = oligo.length();
+
+ for(int i=oligo.length()-1;i>=0;i--){
+ if(oligo[i] != '-'){ alnLength = i+1; break; }
+ }
+ oligo = oligo.substr(0,alnLength);
+ temp = temp.substr(0,alnLength);
+
+ int numDiff = countDiffs(oligo, temp);
+
+ if(numDiff < minDiff){
+ minDiff = numDiff;
+ minCount = 1;
+ minPos = 0;
+ for(int i=0;i<alnLength;i++){
+ if(temp[i] != '-'){
+ minPos++;
+ }
+ }
+ }
+ else if(numDiff == minDiff){
+ minCount++;
+ }
+
+ }
+
+ if(minDiff > sdiffs) { success = minDiff; } //no good matches
+ else if(minCount > 1) { success = sdiffs + 100; } //can't tell the difference between multiple barcodes
+ else{ //use the best match
+ seq.setUnaligned(rawSequence.substr(minPos));
+ success = minDiff;
+ }
+
+ if (alignment != NULL) { delete alignment; }
+
+ }
+
+ return success;
+
+ }
+ catch(exception& e) {
+ m->errorOut(e, "TrimOligos", "stripSpacer");
+ exit(1);
+ }
+}
+
+//******************************************************************/
+bool TrimOligos::compareDNASeq(string oligo, string seq){
+ try {
+ bool success = 1;
+ int length = oligo.length();
+
+ for(int i=0;i<length;i++){
+
+ if(oligo[i] != seq[i]){
+ if(oligo[i] == 'A' || oligo[i] == 'T' || oligo[i] == 'G' || oligo[i] == 'C') { success = 0; }
+ else if((oligo[i] == 'N' || oligo[i] == 'I') && (seq[i] == 'N')) { success = 0; }
+ else if(oligo[i] == 'R' && (seq[i] != 'A' && seq[i] != 'G')) { success = 0; }
+ else if(oligo[i] == 'Y' && (seq[i] != 'C' && seq[i] != 'T')) { success = 0; }
+ else if(oligo[i] == 'M' && (seq[i] != 'C' && seq[i] != 'A')) { success = 0; }
+ else if(oligo[i] == 'K' && (seq[i] != 'T' && seq[i] != 'G')) { success = 0; }
+ else if(oligo[i] == 'W' && (seq[i] != 'T' && seq[i] != 'A')) { success = 0; }
+ else if(oligo[i] == 'S' && (seq[i] != 'C' && seq[i] != 'G')) { success = 0; }
+ else if(oligo[i] == 'B' && (seq[i] != 'C' && seq[i] != 'T' && seq[i] != 'G')) { success = 0; }
+ else if(oligo[i] == 'D' && (seq[i] != 'A' && seq[i] != 'T' && seq[i] != 'G')) { success = 0; }
+ else if(oligo[i] == 'H' && (seq[i] != 'A' && seq[i] != 'T' && seq[i] != 'C')) { success = 0; }
+ else if(oligo[i] == 'V' && (seq[i] != 'A' && seq[i] != 'C' && seq[i] != 'G')) { success = 0; }
+
+ if(success == 0) { break; }
+ }
+ else{
+ success = 1;
+ }
+ }
+
+ return success;
+ }
+ catch(exception& e) {
+ m->errorOut(e, "TrimOligos", "compareDNASeq");
+ exit(1);
+ }
+
+}
+//********************************************************************/
+int TrimOligos::countDiffs(string oligo, string seq){
+ try {
+
+ int length = oligo.length();
+ int countDiffs = 0;
+
+ for(int i=0;i<length;i++){
+
+ if(oligo[i] != seq[i]){
+ if(oligo[i] == 'A' || oligo[i] == 'T' || oligo[i] == 'G' || oligo[i] == 'C' || oligo[i] == '-' || oligo[i] == '.') { countDiffs++; }
+ else if((oligo[i] == 'N' || oligo[i] == 'I') && (seq[i] == 'N')) { countDiffs++; }
+ else if(oligo[i] == 'R' && (seq[i] != 'A' && seq[i] != 'G')) { countDiffs++; }
+ else if(oligo[i] == 'Y' && (seq[i] != 'C' && seq[i] != 'T')) { countDiffs++; }
+ else if(oligo[i] == 'M' && (seq[i] != 'C' && seq[i] != 'A')) { countDiffs++; }
+ else if(oligo[i] == 'K' && (seq[i] != 'T' && seq[i] != 'G')) { countDiffs++; }
+ else if(oligo[i] == 'W' && (seq[i] != 'T' && seq[i] != 'A')) { countDiffs++; }
+ else if(oligo[i] == 'S' && (seq[i] != 'C' && seq[i] != 'G')) { countDiffs++; }
+ else if(oligo[i] == 'B' && (seq[i] != 'C' && seq[i] != 'T' && seq[i] != 'G')) { countDiffs++; }
+ else if(oligo[i] == 'D' && (seq[i] != 'A' && seq[i] != 'T' && seq[i] != 'G')) { countDiffs++; }
+ else if(oligo[i] == 'H' && (seq[i] != 'A' && seq[i] != 'T' && seq[i] != 'C')) { countDiffs++; }
+ else if(oligo[i] == 'V' && (seq[i] != 'A' && seq[i] != 'C' && seq[i] != 'G')) { countDiffs++; }
+ }
+
+ }
+
+ return countDiffs;
+ }
+ catch(exception& e) {
+ m->errorOut(e, "TrimOligos", "countDiffs");
+ exit(1);
+ }
+}
+/********************************************************************/
+
+
+
projects / mothur.git / blobdiff