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#include "Exercise5.h"
#include <fstream>
#include <iostream>
#include <cstring>
/* Private */
void TransportTicket::free() {
delete[] source;
delete[] destination;
}
void TransportTicket::copyFrom(const TransportTicket& other) {
this->id = other.id;
this->source = new char[strlen(other.source)+1];
strcpy(this->source, other.source);
this->destination = new char[strlen(other.destination)+1];
strcpy(this->destination, other.destination);
this->price = other.price;
}
/* Public */
TransportTicket::TransportTicket(unsigned id, const char* source, const char* destination, float price) {
this->id = id;
this->source = new char[strlen(source)+1];
strcpy(this->source, source);
this->destination = new char[strlen(destination)+1];
strcpy(this->destination, destination);
this->price = price;
}
void TransportTicket::Print() {
std::cout << id << " " << source << " " << destination << " " << price << std::endl;
}
TransportTicket::TransportTicket() {
id = price = 0;
source = destination = nullptr;
}
TransportTicket::~TransportTicket() {
free();
}
TransportTicket::TransportTicket(const TransportTicket& other) {
copyFrom(other);
}
TransportTicket& TransportTicket::operator=(const TransportTicket& other) {
if (this != &other) {
free();
copyFrom(other);
}
return *this;
}
TransportTicket::TransportTicket(TransportTicket&& other) {
this->id = other.id;
this->source = other.source;
this->destination = other.destination;
this->price = other.price;
other.source = nullptr;
other.destination = nullptr;
}
TransportTicket& TransportTicket::operator=(TransportTicket&& other) {
if (this != &other) {
free();
this->id = other.id;
this->source = other.source;
this->destination = other.destination;
this->price = other.price;
other.destination = nullptr;
other.source = nullptr;
}
return *this;
}
void TransportTicket::SaveText(const char* fileName) {
std::ofstream outFile(fileName);
if (!outFile.is_open()) {
return;
}
outFile << id << ',' << source << ',' << destination << ',' << price;
outFile.close();
}
unsigned distanceUntilComma(std::ifstream& inFile) {
unsigned start = inFile.tellg();
while (inFile.peek() != ',') {
inFile.get();
}
unsigned len = (unsigned)inFile.tellg() - start + 1;
inFile.seekg(start, std::ios::beg);
return len;
}
void TransportTicket::LoadText(const char* fileName) {
std::ifstream inFile(fileName);
if (!inFile.is_open()) {
return;
}
free();
inFile >> id;
inFile.ignore();
unsigned sourceLen = distanceUntilComma(inFile);
source = new char[sourceLen+1];
inFile.get(source, sourceLen);
source[sourceLen] = '\0';
inFile.ignore();
unsigned destinationLen = distanceUntilComma(inFile);
destination = new char[destinationLen+1];
inFile.get(destination, destinationLen);
destination[destinationLen] = '\0';
inFile.ignore();
inFile >> price;
inFile.close();
}
void TransportTicket::SaveBinary(const char* fileName) {
std::ofstream outFile(fileName, std::ios::binary);
if (!outFile.is_open()) {
return;
}
outFile.write((const char*)&id, sizeof(id));
outFile.write((const char*)&price, sizeof(price));
unsigned sourceLen = strlen(source)+1;
outFile.write((const char*)&sourceLen, sizeof(sourceLen));
outFile.write(source, sizeof(char) * sourceLen);
unsigned destinationLen = strlen(destination)+1;
outFile.write((const char*)&destinationLen, sizeof(destinationLen));
outFile.write(destination, sizeof(char) * destinationLen);
outFile.close();
}
void TransportTicket::LoadBinary(const char* fileName) {
std::ifstream inFile(fileName, std::ios::binary);
if (!inFile.is_open()) {
return;
}
free();
inFile.read((char*)&id, sizeof(id));
inFile.read((char*)&price, sizeof(price));
unsigned sourceLen = 0;
inFile.read((char*)&sourceLen, sizeof(sourceLen));
source = new char[sourceLen+1];
inFile.read(source, sizeof(char) * sourceLen);
unsigned destinationLen = 0;
inFile.read((char*)&destinationLen, sizeof(destinationLen));
destination = new char[destinationLen+1];
inFile.read(destination, sizeof(char) * destinationLen);
inFile.close();
}
int main() {
TransportTicket t1(193, "Sofia", "Bourgas", 15.50);
t1.SaveText("t1.txt");
TransportTicket t2(782, "Sofia", "Plovdiv", 8.99);
t2.SaveBinary("t2.dat");
TransportTicket t3;
t3.LoadText("t1.txt");
t3.Print();
t3.LoadBinary("t2.dat");
t3.Print();
}
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