71 lines
1.7 KiB
C++
71 lines
1.7 KiB
C++
#include <iostream>
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#include "dog.h"
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using namespace std;
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Dog::Dog(int age, int namelength, char * name) {
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this->age = age;
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this->namelength = namelength;
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this->name = new char[namelength];
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for(int i = 0; i < namelength; i++){
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this->name[i] = name[i];
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}
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}
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Dog::~Dog(){
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if(this->namelength > 0){
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delete[] this->name;
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}
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}
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Dog::Dog(const Dog& from){
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this->age = from.age;
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this->namelength = from.namelength;
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this->name = new char[this->namelength];
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for(int i = 0; i< this->namelength; i++){
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this->name[i] = from.name[i];
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}
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}
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Dog& Dog::operator=(const Dog& rhs){
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if(&rhs != this){
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// delete existing memory
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if(namelength > 0){
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delete[] this->name;
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}
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this->age = rhs.age;
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this->namelength = rhs.namelength;
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this->name = new char[namelength];
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for(int i = 0; i < namelength; i++){
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this->name[i] = rhs.name[i];
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}
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}
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return *this;
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}
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char Dog::operator[](int index) const{
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if(index >= namelength){
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// Use with try/catch when called in main do exception e.what()
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throw(out_of_range("index is larger than name length"));
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}
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return name[index];
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}
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char& Dog::operator[](int index){
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if(index >= namelength){
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// Use with try/catch when called in main do exception e.what()
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throw(out_of_range("index is larger than name length"));
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}
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return name[index];
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}
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Dog Dog::puppy(int namelength, char * name){
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Dog p(0, namelength, name);
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return p;
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}
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ostream& operator<<(ostream& os, const Dog& d){
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for(int i = 0; i< d.namelength; i++) {
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os << d[i];
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}
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return os;
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} |