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#include "Inventory.h"
void Inventory::free() {
delete[] products;
}
void Inventory::copyFrom(const Inventory& other) {
productsCount = other.productsCount;
productsAlloc = other.productsAlloc;
products = new Product[productsAlloc];
for (unsigned i = 0; i < productsCount; ++i)
products[i] = other.products[i];
}
void Inventory::resize() {
productsAlloc = productsAlloc == 0 ? 8 : productsAlloc * 2;
Product* productsLarger = new Product[productsAlloc];
for (unsigned i = 0; i < productsCount; ++i)
productsLarger[i] = products[i];
delete[] products;
products = productsLarger;
}
Inventory::Inventory() : products(), productsCount(), productsAlloc()
{ }
Inventory::~Inventory() {
free();
}
Inventory::Inventory(const Inventory& other) {
copyFrom(other);
}
Inventory& Inventory::operator=(const Inventory& other) {
if (this != &other) {
free();
copyFrom(other);
}
return *this;
}
Inventory::Inventory(Inventory&& other) {
products = other.products;
productsCount = other.productsCount;
productsAlloc = other.productsAlloc;
other.products = nullptr;
other.productsAlloc = other.productsCount = 0;
}
Inventory& Inventory::operator=(Inventory&& other) {
if (this != &other) {
free();
products = other.products;
productsCount = other.productsCount;
productsAlloc = other.productsAlloc;
other.products = nullptr;
other.productsAlloc = other.productsCount = 0;
}
return *this;
}
void Inventory::AddProduct(const Product& product) {
if (productsCount >= productsAlloc)
resize();
products[productsCount++] = product;
}
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