byte_dict.cpp

#include "byte_dict.h"

byte_dict::byte_dict(){};

int byte_dict::fill(bits b, int index)
{
    for (int i=0; i<b.size-7; ++i)
    {
        dict[get_byte(b.b.begin(), i)].insert(index+i);
    }
    load+=b.size-7;
    return b.size-7;
};


std::unordered_set<int> byte_dict::get(byte b)
{
    return dict[b];
};

int byte_dict::remove(int min)
{
    int count=0;
    for (int i=0; i<256; ++i)
    {
        for (auto h: dict[i])
        {
            if (h<min)
            {
                dict[i].erase(h);
                count++;
            }
        }
    }
    load-=count;
    return count;
};

int byte_dict::update(int offset)
{
    std::vector<int> tempv;
    load=0;
    for (int i=0; i<256; ++i)
    {
        for (auto h: dict[i])
        {
            int temp=h-offset;
            if(temp>=0)
            {
                tempv.push_back(temp);
                ++load;
            }
        }
        dict[i].clear();
        dict[i].insert(tempv.begin(), tempv.end());
        tempv.clear();
    }
    return load;
};

int byte_dict::size()
{
    return load;
};