S3_Cpp/Aufg4/CrimeStats.cpp

#include <iostream>
#include <string>
#include <vector>
#include <fstream>

#include "CrimeStats.h"
#include "../Aufg2/GuestList.h"

// cdatetime,
// address,
// district,
// beat,
// grid,
// crimedescr,
// ucr_ncic_code,
// latitude,
// longitude,

void split(const std::string& s, char c,std::vector<std::string>& v) {
    std::string::size_type i = 0;
    std::string::size_type j = s.find(c);

    while (j != std::string::npos) {
        v.push_back(s.substr(i, j-i));
        i = ++j;
        j = s.find(c, j);

        if (j == std::string::npos)
            v.push_back(s.substr(i, s.length()));
    }
}

std::string readFile(std::string &fileName, std::vector<Crime*> &allCrimes) {
    std::string content;
    std::ifstream infile;
    infile.open(fileName);

    if (!infile.is_open()) {
        std::cout << "File does not exist" << std::endl;
        return "FAILED_TO_READ_FILE";
    }

    std::string line;

    while (std::getline(infile, line)) {
        content += line;

        std::vector<std::string> actualLines;
        split(line, '\r', actualLines);

        for (auto actual_line: actualLines) {
            allCrimes.push_back(stringToCrime(actual_line));
        }
    }
    return content;
}

Crime* stringToCrime(std::string &input) {
    std::vector<std::string> tokens;
    split(input, ',', tokens);

    Crime* thisCrime = new Crime;
    for (int i = 0; i < tokens.size(); i++) {
        switch (i%tokens.size()) {
            case 0:
                thisCrime->cdatetime = tokens[0];
            break;
            case 1:
                thisCrime->address = tokens[1];
            break;
            case 2:
                thisCrime->district = tokens[2];
            break;
            case 3:
                thisCrime->beat = tokens[3];
            break;
            case 4:
                thisCrime->grid = tokens[4];
            break;
            case 5:
                thisCrime->crimedescription = tokens[5];
            break;
            case 6:
                thisCrime->ucr_ncic_code = tokens[6];
            break;
            case 7:
                thisCrime->latitude = tokens[7];
            break;
            case 8:
                thisCrime->longitude = tokens[8];
            break;
            default:
                std::cout << "I am the Default case " << tokens.size() << std::endl;
        }
    }
    return thisCrime;
}

void Aufg4Main() {
    std::string fileName = "../Aufg4/IO-Files/SacramentocrimeJanuary2006.csv";
    std::vector<Crime*> allCrimes;
    std::string content = readFile(fileName, allCrimes);

    // std::cout << content << std::endl << "EndOfFile" << std::endl;

    std::cout << allCrimes.at(2)->crimedescription << std::endl;

}