#include "LinkedBlockList.h"
#include <stdio.h>
#include <stdlib.h>

/*********************************************************************/

void LinkedBlockList::addFront(ListType item) {

    if ( m_head_block_size == GCLL_BLOCK_SIZE )
    {
        LLBlock *tmp      = (LLBlock *) new LLBlock;
        if ( !tmp ) {printf("\nOut of memory");exit(1);}
        tmp -> m_next     = m_head;
        m_head            = tmp;
        m_head_block_size = 0;
    }

    m_head ->m_item[m_head_block_size] = item;
    m_head_block_size++;
}

/*********************************************************************/

ListType LinkedBlockList::next()
{
    ListType toReturn = m_cursor -> m_item[m_cursor_ind];

    m_cursor_ind++;

    if ( m_cursor == m_head && m_cursor_ind >= m_head_block_size )
    {
        m_cursor     = m_cursor ->m_next;
        m_cursor_ind = 0;
    }
    else if ( m_cursor_ind == GCLL_BLOCK_SIZE )
    {
        m_cursor = m_cursor ->m_next;
        m_cursor_ind = 0;
    }
    return(toReturn);
}

/*********************************************************************/

bool LinkedBlockList::hasNext()
{
    if ( m_cursor != 0 ) return (true);
    else return(false);
}


/*********************************************************************/

LinkedBlockList::~LinkedBlockList()
{
    LLBlock *tmp;

    while ( m_head != 0 )
    {
        tmp = m_head;
        m_head = m_head->m_next;
        delete tmp;
    }
};

/*********************************************************************/

