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#include "String.h"
#include <cstring>
#include <iostream>
void String::free() {
delete[] str;
}
void String::copyFrom(const String& other) {
length = other.length;
// Не забравяме за терминиращата нула
str = new char[length + 1];
strcpy(str, other.str);
}
String::String() {
str = nullptr;
length = 0;
}
String::~String() {
free();
}
String::String(const String& other) {
copyFrom(other);
}
String& String::operator=(const String& other) {
if (this != &other) {
free();
copyFrom(other);
}
return *this;
}
String::String(String&& other) {
str = other.str;
length = other.length;
other.str = nullptr;
other.length = 0;
}
String& String::operator=(String&& other) {
if (this != &other) {
free();
str = other.str;
length = other.length;
other.str = nullptr;
other.length = 0;
}
return *this;
}
String::String(unsigned length) {
this->length = length;
this->str = new char[length + 1];
this->str[length] = '\0';
}
void String::Copy(const char* str) {
if (this->str == nullptr) {
length = strlen(str);
this->str = new char[length + 1];
}
strncpy(this->str, str, length);
this->str[length] = '\0';
}
const char* String::GetStr() const {
return str;
}
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