75 lines
1.6 KiB
C++
75 lines
1.6 KiB
C++
#pragma once
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#ifndef csv_reader_h
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#define csv_reader_h
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#include <fstream>
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#include <iostream>
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#include <sstream>
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#include <string>
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#include <vector>
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using std::string;
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using std::vector;
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class CsvReader {
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public:
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CsvReader(string);
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~CsvReader();
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public:
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string file;
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vector<vector<string>> strArray;
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public:
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int rows();
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void readData();
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string operator()(int i, int j) const;
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};
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CsvReader::CsvReader(string file_) { file = file_; }
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CsvReader::~CsvReader() {}
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int CsvReader::rows() { return strArray.size(); }
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void CsvReader::readData() {
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std::ifstream inFile(file);
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string lineStr;
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while (std::getline(inFile, lineStr)) {
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std::stringstream ss(lineStr);
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string str;
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vector<string> lineArray;
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while (std::getline(ss, str, ',')) lineArray.push_back(str);
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strArray.push_back(lineArray);
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}
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}
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string CsvReader::operator()(int i, int j) const {
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vector<string> lineArray;
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int n = strArray.size(), m;
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if (i < 0 || i > n - 1) std::cout << "Row Index Out Of Bounds " << std::endl;
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lineArray = strArray.at(i);
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m = lineArray.size();
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if (j < 0 || j > m - 1) std::cout << "Column Index Out Of Bounds " << std::endl;
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return lineArray.at(j);
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}
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std::ostream& operator<<(std::ostream& cout, CsvReader& cR) {
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vector<string> lineArray;
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int n = cR.strArray.size(), m;
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for (int i = 0; i < n; i++) {
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lineArray = cR.strArray.at(i);
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m = lineArray.size();
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for (int j = 0; j < m; j++) cout << lineArray.at(j) << " ";
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if (i < n - 1) cout << std::endl;
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}
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return cout;
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}
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#endif
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