file.cpp

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#include "utils/file.hpp"
 
using namespace std;
 
shared_ptr<vector<string>> galaxis::utils::read_from_file_to_string(string const& p_filepath) {
  shared_ptr<vector<string>> contentUPtr = std::make_shared<vector<string>>();
 
  ifstream file;
  file.open(p_filepath);
 
  if(file.is_open()) {
 
    string line;
    while(getline(file, line)) {
      if(!line.empty()) {
        contentUPtr->push_back(line);
      }
    }
 
  } else {
    log_error("Failed to open file.");
  }
 
  file.close();
 
  return move(contentUPtr);
}
 
shared_ptr<vector<float>> galaxis::utils::read_from_file_to_float(string const& p_filepath) {
  auto contentStringSPtr = galaxis::utils::read_from_file_to_string(p_filepath);
 
  shared_ptr<vector<float>> contentUPtr = std::make_shared<vector<float>>();
 
  for(auto& c: *contentStringSPtr) {
    contentUPtr->push_back(stof(c));
  }
 
  return move(contentUPtr);
}
 
shared_ptr<std::map<std::string, std::string>> galaxis::utils::read_configuration(string const& p_filepath) {
  shared_ptr<std::map<std::string, std::string>> contentSPtr = std::make_shared<std::map<std::string, std::string>>();
 
  ifstream file;
  file.open(p_filepath);
 
  if(file.is_open()) {
 
    string line;
    while(getline(file, line)) {
      if(!line.empty()) {
        
        size_t lineDelimiterPosition = line.find("=");
        if (lineDelimiterPosition == std::string::npos || lineDelimiterPosition == 0) continue; // continue if line not in format: key=value
 
        std::string key = line.substr(0, lineDelimiterPosition); 
        std::string value = line.substr(lineDelimiterPosition + 1, line.size());
 
        if (contentSPtr->find(key) == contentSPtr->end())
          contentSPtr->insert(std::pair<std::string, std::string>(key, value));
        else
          log_warning("[File] Duplicated Keys while loading config file: ", p_filepath);
 
      }
    }
 
  } else {
    log_warning("Failed to open file.");
    throw std::runtime_error("Failed to open file.");
  }
 
  file.close();
 
  return contentSPtr;
}