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annotate gene_fraction/src/alignment_util.h @ 0:f95150c37d38 draft default tip

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planemo upload for repository https://github.com/ChrisD11/Tools commit ddc95e5d6b5f2c0a5340c0bc384aa822db8856d5
author chrisd
date Sun, 21 Feb 2016 23:31:55 -0500
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1 #ifndef ALIGNMENT_UTIL_H
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2 #define ALIGNMENT_UTIL_H
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4 #include <string>
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5 #include <vector>
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7 #include <boost/algorithm/string.hpp>
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9 #include "int_util.h"
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11 // macro to check if read mapped
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12 #define READ_UNMAPPED 4
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14 /**
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15 * Splits alignment into separate parts
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16 */
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17 std::vector<std::string> split_alignment(std::string &alignment) {
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18 std::vector<std::string> parts;
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20 boost::trim_if(alignment, boost::is_any_of("\t "));
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21 // split on tab delimeter
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22 boost::split(parts, alignment, boost::is_any_of("\t "), boost::token_compress_on);
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24 return parts;
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25 }
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27 /**
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28 * Validates bit flag
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29 */
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30 bool is_good_flag(const int &bit_flag) {
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31 if( (bit_flag & READ_UNMAPPED) > 0) return false;
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32 return true;
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33 }
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34
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35 /**
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36 * Validates rname
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37 */
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38 bool is_good_rname(const std::string &rname) {
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39 return rname.compare("*") != 0;
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40 }
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42 /**
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43 * Validates pos
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44 */
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45 bool is_good_pos(const int &pos) {
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46 return pos > 0;
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47 }
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49 /**
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50 * Validates cigar
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51 */
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52 bool is_good_cigar(const std::string &cigar) {
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53 return cigar.compare("*") != 0;
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54 }
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55
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56 /**
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57 * Validates seq
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58 */
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59 bool is_good_seq(const std::string &seq) {
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60 return seq.compare("*") != 0;
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61 }
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62
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63 /**
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64 * Validates alignment fields
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65 */
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66 bool fields_are_good(std::vector<std::string> &parts) {
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67 int bit_flag = s_to_i(parts[1]);
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68 int pos = s_to_i(parts[3]);
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69
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70 std::string rname = parts[2];
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71 std::string cigar = parts[5];
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72 std::string seq = parts[9];
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74 if(!(is_good_flag(bit_flag))) return false;
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75 if(!(is_good_pos(pos))) return false;
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76 if(!(is_good_rname(rname))) return false;
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77 if(!(is_good_cigar(cigar))) return false;
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78 if(!(is_good_seq(seq))) return false;
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79
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80 return true;
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81 }
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83 /**
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84 * Stores alignments that pass validity checks
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85 */
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86 bool is_good_alignment(std::string &alignment) {
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87 std::vector<std::string> alignment_parts;
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89 alignment_parts = split_alignment(alignment);
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91 if(!(fields_are_good(alignment_parts)))
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92 return false;
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93 return true;
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94 }
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96 #endif /* ALIGNMENT_UTIL_H */