school/cs235/lab05/station.cpp

#include "station.h"

bool station::addToStation(int car) {
    if(current_car == -1 and car > 0 and !s.in_stack(car) and !q.in_queue(car) and !d.in_deque(car) and !ir.in_irdeque(car) and !ord.in_ordeque(car)) {
        current_car = car;
        return true;
    }
    else {
        return false;
    }
}

int station::showCurrentCar() {
    return current_car;
}

bool station::removeFromStation() {
    if(current_car != -1) {
        current_car = -1;
        return true;
    }
    return false;
}

bool station::addToStack() {
    if(current_car == -1 or s.l.size() > 5) {
        return false;
    }
    else {
        bool success = s.addToStack(current_car);
        if(success) {
            current_car = -1;
            return true;
        }
        return false;
    }
}

bool station::removeFromStack() {
    if(s.l.size() == 0 or current_car != -1) {
        return false;
    }
    current_car = s.removeFromStack();
    return true;
}

int station::showTopOfStack() {
    if(s.l.size() == 0) {
        return -1;
    }
    return s.showTopOfStack();
}

int station::showSizeOfStack() {
    return s.l.size();
}

bool station::addToQueue() {
    if(current_car == -1 or q.l.size() > 5) {
        return false;
    }
    else {
        bool success = q.addToQueue(current_car);
        if(success) {
            current_car = -1;
            return true;
        }
        return false;
    }
}

bool station::removeFromQueue() {
    if(q.l.size() == 0 or current_car != -1) {
        return false;
    }
    current_car = q.removeFromQueue();
    return true;
}

int station::showTopOfQueue() {
    if(q.l.size() == 0) {
        return -1;
    }
    return q.showTopOfQueue();
}

int station::showSizeOfQueue() {
    return q.showSizeOfQueue();
}

bool station::addToDequeLeft() {
    if(current_car == -1 or d.l.size() > 5) {
        return false;
    }
    else {
        bool success = d.addToDequeRight(current_car);
        if(success) {
            current_car = -1;
            return true;
        }
        return false;
    }
    return false;
}

bool station::addToDequeRight() {
    if(current_car == -1 or d.l.size() > 5) {
        return false;
    }
    else {
        bool success = d.addToDequeLeft(current_car);
        if(success) {
            current_car = -1;
            return true;
        }
        return false;
    }
}

bool station::removeFromDequeLeft() {
    if(d.l.size() == 0 or current_car != -1) {
        return false;
    }
    current_car = d.removeFromDequeLeft();
    return true;
}

bool station::removeFromDequeRight() {
    if(d.l.size() == 0 or current_car != -1) {
        return false;
    }
    current_car = d.removeFromDequeRight();
    return true;
}

int station::showTopOfDequeLeft() {
    if(d.l.size() == 0) {
        return -1;
    }
    return d.showTopOfDequeLeft();
}

int station::showTopOfDequeRight() {
    if(d.l.size() == 0) {
        return -1;
    }
    return d.showTopOfDequeRight();
}

int station::showSizeOfDeque() {
    return d.showSizeOfDeque();
}

bool station::addToIRDequeLeft() {
    if(current_car == -1 or ir.l.size() > 5) {
        return false;
    }
    else {
        bool success = ir.addToIRDequeLeft(current_car);
        if(success) {
            current_car = -1;
            return true;
        }
        return false;
    }
    return false;
}

bool station::removeFromIRDequeLeft() {
    if(ir.l.size() == 0 or current_car != -1) {
        return false;
    }
    current_car = ir.removeFromIRDequeRight();
    return true;
}

bool station::removeFromIRDequeRight() {
    if(ir.l.size() == 0 or current_car != -1) {
        return false;
    }
    current_car = ir.removeFromIRDequeLeft();
    return true;
}

int station::showTopOfIRDequeLeft() {
    if(ir.l.size() == 0) {
        return -1;
    }
    return ir.showTopOfIRDequeRight();
}

int station::showTopOfIRDequeRight() {
    if(ir.l.size() == 0) {
        return -1;
    }
    return ir.showTopOfIRDequeLeft();
}

int station::showSizeOfIRDeque() {
    return ir.l.size();
}

bool station::addToORDequeLeft() {
    if(current_car == -1 or ord.l.size() > 5) {
        return false;
    }
    else {
        bool success = ord.addToORDequeRight(current_car);
        if(success) {
            current_car = -1;
            return true;
        }
        return false;
    }
    return false;
}

bool station::addToORDequeRight() {
    if(current_car == -1 or ord.l.size() > 5) {
        return false;
    }
    else {
        bool success = ord.addToORDequeLeft(current_car);
        if(success) {
            current_car = -1;
            return true;
        }
        return false;
    }
}

bool station::removeFromORDequeLeft() {
    if(ord.l.size() == 0 or current_car != -1) {
        return false;
    }
    current_car = ord.removeFromORDequeLeft();
    return true;
}

int station::showTopOfORDequeLeft(){ 
    if(ord.l.size() == 0) {
        return -1;
    }
    return ord.showTopOfORDequeLeft();
}

int station::showSizeOfORDeque() {
    return ord.l.size();
}