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#include "Exercise1.h"
#include <cstring>
void StreetList::free() {
for (int i = 0; i < lastUnused; i++) {
delete[] streetNames[i];
}
delete[] streetNames;
}
void StreetList::copyFrom(const StreetList& other) {
this->lastUnused = other.lastUnused;
this->allocated = other.allocated;
this->streetNames = new char*[allocated];
for (int i = 0; i < lastUnused; i++) {
this->streetNames[i] = new char[strlen(other.streetNames[i]) + 1];
strcpy(this->streetNames[i], other.streetNames[i]);
}
}
void StreetList::resize() {
allocated *= 2;
char** biggerList = new char*[allocated];
for (int i = 0; i < lastUnused; i++) {
// Понеже са указатели в динамичната памет, можем да си спестим new char[] и strcpy
biggerList[i] = streetNames[i];
}
delete[] streetNames;
streetNames = biggerList;
}
StreetList::StreetList() {
streetNames = nullptr;
lastUnused = allocated = 0;
}
StreetList::~StreetList() {
free();
}
StreetList::StreetList(const StreetList& other) {
copyFrom(other);
}
StreetList& StreetList::operator=(const StreetList& other) {
if (this != &other) {
free();
copyFrom(other);
}
return *this;
}
StreetList::StreetList(StreetList&& other) {
this->streetNames = other.streetNames;
other.streetNames = nullptr;
this->lastUnused = other.lastUnused;
this->allocated = other.allocated;
}
StreetList& StreetList::operator=(StreetList&& other) {
if (this != &other) {
free();
this->streetNames = other.streetNames;
other.streetNames = nullptr;
this->lastUnused = other.lastUnused;
this->allocated = other.allocated;
}
return *this;
}
void StreetList::Add(const char* newString) {
if (lastUnused == allocated) {
resize();
}
streetNames[lastUnused] = new char[strlen(newString) + 1];
strcpy(streetNames[lastUnused], newString);
lastUnused++;
}
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