MemoryRecord.cpp

#include "MemoryRecord.h"
#include <iostream>

using namespace std;

MemoryRecord::MemoryRecord(unsigned char * startAddress, unsigned int requestedSize) : startAddress(startAddress), size(requestedSize) {
    ;
}

bool MemoryRecord::hasSpaceFor(unsigned int requestedSize) const {
    return size >= requestedSize;
}

bool MemoryRecord::hasMoreSpaceThan(unsigned int requestedSize) const {
    return size > requestedSize;
}

MemoryRecord MemoryRecord::allocated(unsigned int requestedSize) const {
    if (!(this->hasSpaceFor(requestedSize)))
        throw runtime_error("not enought memory in this record");
    if (size <= requestedSize)
        throw runtime_error("size has to be greater - somewhere is a problem!");
    return MemoryRecord(startAddress + requestedSize, size - requestedSize);
}

unsigned char * MemoryRecord::address() const {
    return startAddress;
}

unsigned int MemoryRecord::getSize() const {
    return size;
}

bool MemoryRecord::isEmpty() const {
    return size == 0;
}

unsigned char * MemoryRecord::next() const {
    return startAddress + size;
}

bool MemoryRecord::operator<(const MemoryRecord & other) const {
    return startAddress < other.address();
}