/usr/include/pbseq/pbdata/sam/SAMReaderImpl.hpp is in libpbdata-dev 0~20161219-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 | #ifndef _BLASR_SAM_READER_IMPL_HPP_
#define _BLASR_SAM_READER_IMPL_HPP_
#include <iostream>
#include "SAMReader.hpp"
template<typename T_ReferenceSequence, typename T_ReadGroup, typename T_SAMAlignment>
bool SAMReader<T_ReferenceSequence, T_ReadGroup, T_SAMAlignment>::Initialize(std::string samFileName) {
if(samFileName != "stdin") {
CrucialOpen(samFileName, samFile, std::ios::in);
samFilePtr = &samFile;
} else {
samFilePtr = &std::cin;
}
return true;
}
template<typename T_ReferenceSequence, typename T_ReadGroup, typename T_SAMAlignment>
void SAMReader<T_ReferenceSequence, T_ReadGroup, T_SAMAlignment>::Close() {
if(samFile.is_open()) {
samFile.close();
}
}
template<typename T_ReferenceSequence, typename T_ReadGroup, typename T_SAMAlignment>
void SAMReader<T_ReferenceSequence, T_ReadGroup, T_SAMAlignment>::GetLine(std::istream &in, std::string &line) {
getline(in, line);
}
template<typename T_ReferenceSequence, typename T_ReadGroup, typename T_SAMAlignment>
bool SAMReader<T_ReferenceSequence, T_ReadGroup, T_SAMAlignment>::LineTypeIsHeader(LineType lineType) {
return (lineType == HSHeader or
lineType == HSSequence or
lineType == HSReadGroup or
lineType == HSProgram or
lineType == HSComment);
}
template<typename T_ReferenceSequence, typename T_ReadGroup, typename T_SAMAlignment>
bool SAMReader<T_ReferenceSequence, T_ReadGroup, T_SAMAlignment>::PeekLineIsHeader(std::istream &in) {
if (in and in.peek() == '@') {
return true;
}
else {
return false;
}
}
template<typename T_ReferenceSequence, typename T_ReadGroup, typename T_SAMAlignment>
typename SAMReader<T_ReferenceSequence, T_ReadGroup, T_SAMAlignment>::LineType
SAMReader<T_ReferenceSequence, T_ReadGroup, T_SAMAlignment>::GetLineType(std::string &line) {
if (line.length() == 0) {
return Blank;
}
else if (line[0] == '@') {
std::stringstream strm(line);
std::string tag;
strm >> tag;
if (tag == "@HD") { return HSHeader; }
else if (tag == "@SQ") { return HSSequence; }
else if (tag == "@RG") { return HSReadGroup; }
else if (tag == "@PG") { return HSProgram; }
else if (tag == "@CO") { return HSComment; }
else { return Error; }
}
else {
return Alignment;
}
}
template<typename T_ReferenceSequence, typename T_ReadGroup, typename T_SAMAlignment>
void SAMReader<T_ReferenceSequence, T_ReadGroup, T_SAMAlignment>::StoreKVPairs(std::string line,
std::vector<SAMKeywordValuePair> &kvPairs) {
//
// Split on tab delineated line.
//
std::vector<std::string> kvPairStrings;
Splice(line, "\t", kvPairStrings);
KeywordValueStringsToPairs(kvPairStrings, kvPairs);
}
template<typename T_ReferenceSequence, typename T_ReadGroup, typename T_SAMAlignment>
void SAMReader<T_ReferenceSequence, T_ReadGroup, T_SAMAlignment>::StoreHeader(std::vector<SAMKeywordValuePair> &kvPairs,
AlignmentSet<T_ReferenceSequence, T_ReadGroup, T_SAMAlignment> &alignments) {
alignments.header.StoreValues(kvPairs, lineNumber);
}
template<typename T_ReferenceSequence, typename T_ReadGroup, typename T_SAMAlignment>
void SAMReader<T_ReferenceSequence, T_ReadGroup, T_SAMAlignment>::StoreReferenceSequence(std::vector<SAMKeywordValuePair> &kvPairs,
AlignmentSet<T_ReferenceSequence, T_ReadGroup, T_SAMAlignment> &alignments) {
alignments.references.push_back(T_ReferenceSequence());
int lastRefIndex = alignments.references.size() - 1;
alignments.references[lastRefIndex].StoreValues(kvPairs, lineNumber);
}
template<typename T_ReferenceSequence, typename T_ReadGroup, typename T_SAMAlignment>
void SAMReader<T_ReferenceSequence, T_ReadGroup, T_SAMAlignment>::StoreReadGroup(std::vector<SAMKeywordValuePair> &kvPairs,
AlignmentSet<T_ReferenceSequence, T_ReadGroup, T_SAMAlignment> &alignments) {
alignments.readGroups.push_back(T_ReadGroup());
int lastReadGroupIndex = alignments.readGroups.size() - 1;
alignments.readGroups[lastReadGroupIndex].StoreValues(kvPairs, lineNumber);
}
template<typename T_ReferenceSequence, typename T_ReadGroup, typename T_SAMAlignment>
void SAMReader<T_ReferenceSequence, T_ReadGroup, T_SAMAlignment>::StoreAlignment(std::string & line,
AlignmentSet<T_ReferenceSequence, T_ReadGroup, T_SAMAlignment> &alignments) {
alignments.alignments.push_back(T_SAMAlignment());
int lastAlignmentIndex = alignments.alignments.size() - 1;
alignments.alignments[lastAlignmentIndex].StoreValues(line, lineNumber);
}
template<typename T_ReferenceSequence, typename T_ReadGroup, typename T_SAMAlignment>
void SAMReader<T_ReferenceSequence, T_ReadGroup, T_SAMAlignment>::Read(std::string samFileName, AlignmentSet<T_ReferenceSequence, T_ReadGroup, T_SAMAlignment> &alignments) {
Initialize(samFileName);
Read(alignments);
}
template<typename T_ReferenceSequence, typename T_ReadGroup, typename T_SAMAlignment>
std::vector<std::string> SAMReader<T_ReferenceSequence, T_ReadGroup, T_SAMAlignment>::ReadHeader(AlignmentSet<T_ReferenceSequence, T_ReadGroup, T_SAMAlignment> &alignments) {
std::vector<std::string> allHeaders;
std::string line;
LineType lineType;
lineNumber = 0;
while (*samFilePtr and PeekLineIsHeader(*samFilePtr)) {
getline(*samFilePtr, line);
lineType = GetLineType(line);
if (LineTypeIsHeader(lineType)) {
allHeaders.push_back(line);
std::stringstream strm(line);
std::string tag;
strm >> tag;
std::string remainder;
getline(strm, remainder);
std::vector<SAMKeywordValuePair> kvPairs;
StoreKVPairs(remainder, kvPairs);
if (lineType == HSHeader) {
StoreHeader(kvPairs, alignments);
}
else if (lineType == HSSequence) {
StoreReferenceSequence(kvPairs, alignments);
}
else if (lineType == HSReadGroup) {
StoreReadGroup(kvPairs, alignments);
}
else if (lineType == HSProgram) {
StoreProgram(kvPairs, alignments);
}
else if (lineType == HSComment) {
// do nothing with comments for now.
}
}
++lineNumber;
}
return allHeaders;
}
template<typename T_ReferenceSequence, typename T_ReadGroup, typename T_SAMAlignment>
void SAMReader<T_ReferenceSequence, T_ReadGroup, T_SAMAlignment>::Read(AlignmentSet<T_ReferenceSequence, T_ReadGroup, T_SAMAlignment> &alignments) {
std::string line;
LineType lineType;
lineNumber = 0;
ReadHeader(alignments);
while (getline(*samFilePtr, line)) {
lineType = GetLineType(line);
if (LineTypeIsHeader(lineType)) {
std::cout << "ERROR! Header line found outside of the header at " << lineNumber << std::endl;
exit(1);
}
else if (lineType == Alignment) {
StoreAlignment(line, alignments);
}
else {
std::cout << "Error, line type unknown at " << lineNumber << std::endl;
std::cout << line << std::endl;
exit(1);
}
++lineNumber;
}
}
template<typename T_ReferenceSequence, typename T_ReadGroup, typename T_SAMAlignment>
bool SAMReader<T_ReferenceSequence, T_ReadGroup, T_SAMAlignment>::GetNextAlignment(SAMAlignment &alignment) {
if (*samFilePtr) {
std::string line;
if (getline(*samFilePtr, line)) {
alignment.StoreValues(line, lineNumber);
++lineNumber;
return true;
}
else {
return false;
}
}
else {
return false;
}
}
#endif
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