/**
* @brief Resets the chunk vector to the given position.
*
* This method will call reset on all chunks which are behind the
* given position.
*
* It calls also reset on the nested chunk vector.
*
* @param pos The position to reset to.
*/
void reset(const Position& pos) {
assert(pos.chunk < chunks.size());
assert(pos.data < chunkSize);
for(size_t i = curChunkIndex; i > pos.chunk; --i) {
chunks[i]->reset();
}
curChunk = chunks[pos.chunk];
curChunk->load();
curChunk->setUsedSize(pos.data);
curChunkIndex = pos.chunk;
nested.reset(pos.inner);
}
/**
* @brief Release all the memory, that the chunk vector has acquired.
*
* Reverts the chunk vector into its initial state after the construction.
* Only the memory of one chunk stays allocated.
*/
void resetHard() {
for(size_t i = 1; i < chunks.size(); ++i) {
delete chunks[i];
}
chunks.resize(1);
positions.resize(1);
curChunk = chunks[0];
curChunk->load();
curChunk->setUsedSize(0);
curChunkIndex = 0;
nested->resetHard();
}
