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#include <cstring>
struct Checklist {
private:
bool checked;
char* contents;
Checklist* subchecklists;
unsigned allocated;
unsigned size;
void resize() {
allocated *= 2;
Checklist* biggerSubs = new Checklist[allocated];
for (int i = 0; i < size; i++) {
biggerSubs[i] = subchecklists[i];
}
delete[] subchecklists;
subchecklists = biggerSubs;
}
void free() {
delete[] contents;
delete[] subchecklists;
}
void copyFrom(const Checklist& other) {
this->checked = other.checked;
unsigned contSize = strlen(other.contents);
this->contents = new char[contSize+1];
strcpy(this->contents, other.contents);
this->allocated = other.allocated;
this->size = other.size;
this->subchecklists = new Checklist[allocated];
for (int i = 0; i < size; i++) {
this->subchecklists[i] = other.subchecklists[i];
}
}
public:
Checklist(const char* contents) {
checked = false;
unsigned contSize = strlen(contents);
this->contents = new char[contSize+1];
strcpy(this->contents, contents);
this->allocated = 2;
this->size = 0;
this->subchecklists = new Checklist[allocated];
}
Checklist() {
checked = false;
contents = nullptr;
subchecklists = nullptr;
allocated = size = 0;
}
~Checklist() {
free();
}
Checklist(const Checklist& other) {
copyFrom(other);
}
Checklist& operator=(const Checklist& other) {
if (this != &other) {
free();
copyFrom(other);
}
return *this;
}
void AddChecklist(const Checklist& newChecklist) {
if (allocated == size) {
resize();
}
subchecklists[size++] = newChecklist;
}
void RemoveChecklist(unsigned index) {
if (index >= size) return;
size--;
for (int i = index; i < size; i++) {
subchecklists[i] = subchecklists[i+1];
}
}
void SwapRight(unsigned index) {
if (index >= size-1) return;
Checklist temp = subchecklists[index];
subchecklists[index] = subchecklists[index+1];
subchecklists[index+1] = temp;
}
void SwapLeft(unsigned index) {
if (index == 0 || index >= size) return;
Checklist temp = subchecklists[index];
subchecklists[index] = subchecklists[index-1];
subchecklists[index-1] = temp;
}
};
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