vector<vector<string>> GBCsv::parseCsv(const string& csvPath)
{
Data data = FILE()->getDataFromFile(csvPath);
vector<vector<string>> v = parseCsv(data.getBytes(), data.getSize());
data.clear();
return v;
}
int main(int argc, char** argv)
{
// Parse command line input
if (argc != 6)
{
fprintf(stderr, "%s is expecting exactly five parameters: "
"(1) a .csv file containing the cities and their coordinates, "
"(2) the first latitude, (3) the first longitude, "
"(4) the second latitude and (5) the second longitude\n", argv[0]);
exit(EXIT_FAILURE);
}
char* fileName = argv[1];
double latitudeA = strtod(argv[2], NULL);
double longitudeA = strtod(argv[3], NULL);
double latitudeB = strtod(argv[4], NULL);
double longitudeB = strtod(argv[5], NULL);
// Compute min/max latitude/longitude
double latitudeMin = (latitudeA < latitudeB)? latitudeA: latitudeB;
double latitudeMax = (latitudeA < latitudeB)? latitudeB: latitudeA;
double longitudeMin = (longitudeA < longitudeB)? longitudeA: longitudeB;
double longitudeMax = (longitudeA < longitudeB)? longitudeB: longitudeA;
// Parse csv file
LinkedList* cities = parseCsv(fileName);
size_t nbCities = sizeOfLinkedList(cities);
printf("Number of cities: %lu\n", nbCities);
// Compute the cities in the box
LinkedList* citiesInBox = findCities(cities, latitudeMin, latitudeMax,
longitudeMin, longitudeMax);
if(!citiesInBox)
{
fprintf(stderr, "Allocation error while finding the cities. Exiting...\n");
exit(EXIT_FAILURE);
}
// Print stuff
nbCities = sizeOfLinkedList(citiesInBox);
printf("Number of cities after filtering: %lu\n", nbCities);
if(nbCities <= 50)
{
LLNode* node = citiesInBox->head;
City* city;
while(node != NULL)
{
city = (City*)node->value;
printf("%s (%f, %f)\n", city->name, city->latitude, city->longitude);
node = node->next;
}
}
// Free the linked list: the name must be freed beforehand
freeLinkedList(citiesInBox, false);
LLNode* node = cities->head;
City* city;
while(node != NULL)
{
city = (City*)node->value;
free(city->name);
node = node->next;
}
freeLinkedList(cities, true);
exit(EXIT_SUCCESS);
}
