#include "database-internal.h"
#include "database.h"

DatabaseCell::DatabaseCell(Cpu * cpu, Uint64 cpu_base, absolute_ptr origin, Uint32 size, Uint32 extra_size, DatabaseCell * prev, Database * parent) : cpu(cpu), next(0), prev(prev), parent(parent) {
    prev->next = this;
    parent->setEnd(this);
    if (origin.raw_ptr) {
        Segment * origin_seg = parent->getSegment(SEGID(origin));
        segment = new Segment(size, cpu_base, parent->GetNextSegId(), extra_size, origin_seg->getPristineMemory() + SEGOFFSET(origin));
    } else {
        segment = new Segment(size, cpu_base, parent->GetNextSegId(), extra_size);
    }
}

DatabaseCell::~DatabaseCell() {
    if (parent->getEnd() == this)
        parent->setEnd(prev);

    if (parent->getStart() == this)
        parent->setStart(next);

    if (next)
        next->prev = prev;
    if (prev)
        prev->next = next;

    delete segment;
}