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Made parse function of csvFile struct return a vector<vector<string>> instead of being a template function

This commit is contained in:
iasonmanolas 2022-02-18 17:39:02 +02:00
parent 33facf05ab
commit 9e121beade
1 changed files with 9 additions and 14 deletions
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23
csvfile.hpp
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@ -65,10 +65,9 @@ class csvFile {
return write(val); return write(val);
} }
template<typename T> static std::vector<std::vector<std::string>> parse(const std::filesystem::path &csvFilepath)
static std::vector<std::vector<T>> parse(const std::filesystem::path &csvFilepath)
{ {
std::vector<std::vector<T>> resultCSV; std::vector<std::vector<std::string>> resultCSV;
if (!std::filesystem::exists(csvFilepath)) { if (!std::filesystem::exists(csvFilepath)) {
std::cerr << "The file does not exist:" << csvFilepath.string() << std::endl; std::cerr << "The file does not exist:" << csvFilepath.string() << std::endl;
return resultCSV; return resultCSV;
@ -79,21 +78,17 @@ class csvFile {
std::cerr << "Can't open file:" << csvFilepath.string() << std::endl; std::cerr << "Can't open file:" << csvFilepath.string() << std::endl;
return resultCSV; return resultCSV;
} }
std::vector<T> row; std::vector<std::string> row;
std::string line; std::string line;
using Tokenizer = boost::tokenizer<boost::escaped_list_separator<char>>; using Tokenizer = boost::tokenizer<boost::escaped_list_separator<char>>;
while (std::getline(inputfile, line)) { while (std::getline(inputfile, line)) {
Tokenizer tokenizer(line); Tokenizer tokenizer(line);
row.resize(std::distance(tokenizer.begin(), tokenizer.end())); const int numOfCols = std::distance(tokenizer.begin(), tokenizer.end());
std::transform(tokenizer.begin(), tokenizer.end(), row.begin(), [](const std::string &el) { row.resize(numOfCols);
return boost::lexical_cast<T>(el); std::copy(tokenizer.begin(), tokenizer.end(), row.begin());
}); // std::transform(tokenizer.begin(), tokenizer.end(), row.begin(), [](const std::string &el) {
// std::cout << std::endl; // return boost::lexical_cast<T>(el);
// row.assign(tokenizer.begin(), tokenizer.end()); // });
// for (const auto &el : row) {
// std::cout << el << " ";
// }
// std::cout << std::endl;
resultCSV.push_back(row); resultCSV.push_back(row);
} }