54 lines
1.3 KiB
C++
54 lines
1.3 KiB
C++
/** Simple FASTA file format reader
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*
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* @author The BioloGeeks Team
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* @date 2023-09-30
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*/
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#pragma once
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#include <iostream>
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#include <fstream>
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#include <vector>
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class Record {
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public:
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Record(std::string name, std::string seq) {
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this->name = name;
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this->seq = seq;
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}
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std::string name, seq;
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};
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namespace fasta {
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/**
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* @see https://www.rosettacode.org/wiki/FASTA_format?section=10#C++
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*
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*/
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std::vector<Record> read_file(std::ifstream &input) {
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std::string line, name, content;
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std::vector<Record> Records;
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// Read fasta file lines and append each FASTA records
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// to the Records vector.
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while (input.good()) {
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std::getline(input, line);
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if (line[0] == '>') {
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if (!name.empty()) {
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Record Record(name, content);
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Records.push_back(Record);
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name.clear();
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content.clear();
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}
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name = line.substr(1);
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} else {
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content += line;
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}
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}
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if (!name.empty()) {
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Record Record(name, content);
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Records.push_back(Record);
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}
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return Records;
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}
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} |