Int main()
{
char * fileName = "info.txt";
FreePlace * FreePlaces = new FreePlace[20];
int count = OpenFreePlaces(FreePlaces, fileName);
bool isExit = true;
char destination[80];
while (isExit)
{
int i = Menu(); switch (i)
{
case 1:
WriteAllFreePlaces(FreePlaces, count);
break;
case 2:
NewFreePlace(FreePlaces, count);
count++;
break;
case 3:
int j;
WriteAllFreePlaces(FreePlaces, count);
cout << "Write number of FreePlace: ";
cin >> j;
if (j - 1 <= count)
{
DeleteFreePlace(FreePlaces, j-1, count);
count--;
}
system("cls");
break;
case 4:
char name[80];
system("cls");
cout << "Write name of file: ";
cin >> name;
cout << "Write number of destination: ";
cin >> destination;
WriteInfoInFile(FreePlaces, name, count, destination);
break;
case 5:
cout << "Write number of destination: ";
cin >> destination;
WriteInfoInScreen(FreePlaces, count, destination);
break;
case 6:
remove(fileName);
for (int i = 0; i <= count; i++)
SaveFreePlaces(FreePlaces[i], fileName); //Сохранить данные
system("cls");
break;
case 7:
isExit = false; //Вывод из цикла и из программы
break;
default:
system("cls");
break;
}
}
delete [] FreePlaces; //Очищаем память
return 0; //Выход из главной функции
}
void WriteAllFreePlaces(FreePlace * FreePlaces, int count)
{
system("cls");
for (int i = 0; i <= count; i++) //Выводим всю информация о свободных местах в файл
{
cout <<i+1<<". "<< FreePlaces[i].TrainNumber << endl;
cout << FreePlaces[i].Destination << endl;
cout << FreePlaces[i].Time << endl;
cout << FreePlaces[i].PlaceCount << endl<<endl;
}
}
int Menu()
{
cout <<"1. Write all FreePlaces"<<endl;
cout <<"2. New FreePlace"<<endl;
cout <<"3. Delete FreePlace"<<endl;
cout <<"4. Info in file"<<endl;
cout <<"5. Info in screen"<<endl;
cout <<"6. Save"<<endl;
cout <<"7. Exit"<<endl;
int i;
cin >> i;
return i;
}
void NewFreePlace(FreePlace * FreePlaces, int count)
{
system("cls");
count++;
FreePlaces[count].PlaceCount = new char[80];
FreePlaces[count].Destination = new char[80];
FreePlaces[count].Time = new char[80];
FreePlaces[count].TrainNumber = new char[80];
cout <<"Number Of Train: ";
cin >> FreePlaces[count].TrainNumber;
cout <<"Destination of Train: ";
cin >> FreePlaces[count].Destination;
cout <<"Time: ";
cin >> FreePlaces[count].Time;
cout <<"Count of free places: ";
cin >> FreePlaces[count].PlaceCount;
system("cls");
}
void DeleteFreePlace(FreePlace * FreePlaces, int j, int count)
{
for (int i = j; i<=count; i++)
{
if (i != count)
FreePlaces[i] = FreePlaces[i+1];
}
}
void WriteInfoInFile(FreePlace * FreePlaces, char * name, int count, char * destination)
{
for (int i = 0; i <= count; i++)
{
if (equals(FreePlaces[i].Destination, destination))
{
SaveFreePlaces(FreePlaces[i], name);
}
}
}
void WriteInfoInScreen(FreePlace * FreePlaces, int count, char * destination)
{
system("cls");
for (int i = 0; i <= count; i++)
{
if (equals(FreePlaces[i].Destination, destination))
{
cout <<i+1<<". "<< FreePlaces[i].TrainNumber << endl;
cout << FreePlaces[i].Destination << endl;
cout << FreePlaces[i].Time << endl;
cout << FreePlaces[i].PlaceCount << endl<<endl;
}
}
}
int OpenFreePlaces(FreePlace * FreePlaces, char * fileName)
{
FILE * file;
char * text = new char[80];
int count = -1;
if ((file = fopen(fileName, "r")) != NULL)
{
char symbol;
symbol = fgetc(file); //Для определения того, не пустой ли файл
while (!feof(file))
{
//Номер поезда
count++;
int index = 0;
while ((symbol = fgetc(file)) != '\n')
{
text[index] = symbol;
index++;
}
for (int i = index; i<80; i++)
text[i] = '\0';
FreePlaces[count].TrainNumber = text;
text = new char[80];
//Пункт назначения
index = 0;
while ((symbol = fgetc(file)) != '\n')
{
text[index] = symbol;
index++;
}
for (int i = index; i<80; i++)
text[i] = '\0';
FreePlaces[count].Destination = text;
text = new char[80];
//Время
index = 0;
while ((symbol = fgetc(file)) != '\n')
{
text[index] = symbol;
index++;
}
for (int i = index; i<80; i++)
text[i] = '\0';
FreePlaces[count].Time = text;
text = new char[80];
//Количество свободных мест
index = 0;
while ((symbol = fgetc(file)) != '\n')
{
text[index] = symbol;
index++;
}
for (int i = index; i<80; i++)
text[i] = '\0';
FreePlaces[count].PlaceCount = text;
text = new char[80];
symbol = fgetc(file); //Для определения того, не был ли последний символ последним в файле (предотвращение зацикливания)
}
fclose(file);
delete [] text;
}
else
{
cout << "Error with open file";
return -1;
}
return count;
}
void SaveFreePlaces(FreePlace FreePlace, char * fileName)
{
FILE * file;
char text[80];
if ((file = fopen(fileName, "a")) != NULL)
{
char symbol;
fputc('\n', file);
for (int j = 0; FreePlace.TrainNumber[j] != '\0'; j++)
{
fputc(FreePlace.TrainNumber[j], file);
}
fputc('\n', file);
for (int j = 0; FreePlace.Destination[j] != '\0'; j++)
{
fputc(FreePlace.Destination[j], file);
}
fputc('\n', file);
for (int j = 0; FreePlace.Time[j] != '\0'; j++)
{
fputc(FreePlace.Time[j], file);
}
fputc('\n', file);
for (int j = 0; FreePlace.PlaceCount[j] != '\0'; j++)
{
fputc(FreePlace.PlaceCount[j], file);
}
fputc('\n', file);
fclose(file);
system("cls");
}
else
{
system("cls");
cout << "Error with open file";
return;
}
return;
}
bool equals(char * a, char * b)
{
bool result = false;
int i = 0;
while ((a[i] != '\0' && b[i] != '\0') || (a[i] == '\0' && b[i] == '\0'))
{
if (a[i] == '\0' && b[i] == '\0')
{
result = true;
break;
}
else
if (a[i] != b[i])
{
break;
}
i++;
}
return result;
}
Результат выполнения программы
