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#include "Exercise7.h"
#include <cstring>
void UserError::free() {
delete[] className;
delete[] propertyName;
}
void UserError::copyFrom(const UserError& other) {
this->className = new char[strlen(other.className) + 1];
strcpy(this->className, other.className);
this->propertyName = new char[strlen(other.propertyName) + 1];
strcpy(this->propertyName, other.propertyName);
}
UserError::UserError() {
className = propertyName = nullptr;
createdCount++;
}
UserError::~UserError() {
free();
}
UserError::UserError(const UserError& other) {
copyFrom(other);
createdCount++;
}
UserError& UserError::operator=(const UserError& other) {
if (this != &other) {
free();
copyFrom(other);
}
return *this;
}
UserError::UserError(UserError&& other) {
this->className = other.className;
other.className = nullptr;
this->propertyName = other.propertyName;
other.propertyName = nullptr;
}
UserError& UserError::operator=(UserError&& other) {
if (this != &other) {
free();
this->className = other.className;
other.className = nullptr;
this->propertyName = other.propertyName;
other.propertyName = nullptr;
}
return *this;
}
UserError::UserError(const char* className, const char* propertyName) {
this->className = new char[strlen(className) + 1];
strcpy(this->className, className);
this->propertyName = new char[strlen(propertyName) + 1];
strcpy(this->propertyName, propertyName);
createdCount++;
}
std::ostream& operator<<(std::ostream& ostr, const UserError& right) {
return ostr << "Invalid user info in class " << right.className << " at " << right.propertyName << "!" << std::endl;
}
int UserError::GetCreatedCount() {
return createdCount;
}
NumberInput::NumberInput(int min, int max) {
std::cout << "Enter number [" << min << ", " << max << "]: ";
std::cin >> value;
if (value < min || max < value) {
throw UserError("NumberInput", "constructor");
}
}
int NumberInput::GetValue() {
return value;
}
int main() {
while(true) {
try {
NumberInput a(5, 10);
std::cout << a.GetValue() * 2 << std::endl;
break;
}
catch (const UserError& error) {
std::cout << error;
}
}
std::cout << UserError::GetCreatedCount() << std::endl;
}
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