Exemplo n.º 1
0
/**
 * Tests if the two rb tree are equal.
 */
bool_t _hashtable_equal(const _hashtable_t* cpt_first, const _hashtable_t* cpt_second)
{
    _hashtable_iterator_t it_first;
    _hashtable_iterator_t it_second;
    bool_t                b_less = false;
    bool_t                b_greater = false;

    assert(cpt_first != NULL);
    assert(cpt_second != NULL);
    assert(_hashtable_is_inited(cpt_first));
    assert(_hashtable_is_inited(cpt_second));

    if(cpt_first == cpt_second)
    {
        return true;
    }

    /* check type */
    if(!_hashtable_same_type_ex(cpt_first, cpt_second))
    {
        return false;
    }
    /* check size or bucket count*/
    if(_hashtable_size(cpt_first) != _hashtable_size(cpt_second) ||
       _hashtable_bucket_count(cpt_first) != _hashtable_bucket_count(cpt_second))
    {
        return false;
    }
    /* check each element */
    for(it_first = _hashtable_begin(cpt_first),
        it_second = _hashtable_begin(cpt_second);
        !_hashtable_iterator_equal(it_first, _hashtable_end(cpt_first)) && 
        !_hashtable_iterator_equal(it_second, _hashtable_end(cpt_second));
        it_first = _hashtable_iterator_next(it_first),
        it_second = _hashtable_iterator_next(it_second))
    {
        b_less = b_greater = _GET_HASHTABLE_TYPE_SIZE(cpt_first);
        _GET_HASHTABLE_TYPE_LESS_FUNCTION(cpt_first)(
                ((_hashnode_t*)_GET_HASHTABLE_COREPOS(it_first))->_pby_data,
                ((_hashnode_t*)_GET_HASHTABLE_COREPOS(it_second))->_pby_data, &b_less);
        _GET_HASHTABLE_TYPE_LESS_FUNCTION(cpt_first)(
                ((_hashnode_t*)_GET_HASHTABLE_COREPOS(it_second))->_pby_data,
                ((_hashnode_t*)_GET_HASHTABLE_COREPOS(it_first))->_pby_data, &b_greater);
        if(b_less || b_greater)
        {
            return false;
        }
    }

    assert(_hashtable_iterator_equal(it_first, _hashtable_end(cpt_first)) &&
           _hashtable_iterator_equal(it_second, _hashtable_end(cpt_second)));

    return true;
}
Exemplo n.º 2
0
/**
 * Get the number of elements int the hash_multimap.
 */
size_t hash_multimap_size(const hash_multimap_t* cphmmap_map)
{
    assert(cphmmap_map != NULL);
    assert(_pair_is_inited(&cphmmap_map->_pair_temp));

    return _hashtable_size(&cphmmap_map->_t_hashtable);
}
Exemplo n.º 3
0
/**
 * Tests if the first rb tree is less than the second rb tree.
 */
bool_t _hashtable_less(const _hashtable_t* cpt_first, const _hashtable_t* cpt_second)
{
    _hashtable_iterator_t it_first;
    _hashtable_iterator_t it_second;
    bool_t                b_less = false;
    bool_t                b_greater = false;

    assert(cpt_first != NULL);
    assert(cpt_second != NULL);
    assert(_hashtable_is_inited(cpt_first));
    assert(_hashtable_is_inited(cpt_second));
    assert(_hashtable_same_type_ex(cpt_first, cpt_second));

    /* check vector bucket count */
    if(vector_size(&cpt_first->_vec_bucket) == vector_size(&cpt_second->_vec_bucket))
    {
        /* check each element */
        for(it_first = _hashtable_begin(cpt_first),
            it_second = _hashtable_begin(cpt_second);
            !_hashtable_iterator_equal(it_first, _hashtable_end(cpt_first)) && 
            !_hashtable_iterator_equal(it_second, _hashtable_end(cpt_second));
            it_first = _hashtable_iterator_next(it_first),
            it_second = _hashtable_iterator_next(it_second))
        {
            b_less = _GET_HASHTABLE_TYPE_SIZE(cpt_first);
            _GET_HASHTABLE_TYPE_LESS_FUNCTION(cpt_first)(
                    ((_hashnode_t*)_GET_HASHTABLE_COREPOS(it_first))->_pby_data,
                    ((_hashnode_t*)_GET_HASHTABLE_COREPOS(it_second))->_pby_data, &b_less);
            if(b_less)
            {
                return true;
            }
            b_greater = _GET_HASHTABLE_TYPE_SIZE(cpt_first);
            _GET_HASHTABLE_TYPE_LESS_FUNCTION(cpt_first)(
                    ((_hashnode_t*)_GET_HASHTABLE_COREPOS(it_second))->_pby_data,
                    ((_hashnode_t*)_GET_HASHTABLE_COREPOS(it_first))->_pby_data, &b_greater);
            if(b_greater)
            {
                return false;
            }
        }
    }

    return _hashtable_size(cpt_first) < _hashtable_size(cpt_second) ? true : false;
}
Exemplo n.º 4
0
/**
 * Get the number of elements int the hash_set.
 */
size_t hash_set_size(const hash_set_t* cphset_set)
{
    assert(cphset_set != NULL);

    return _hashtable_size(&cphset_set->_t_hashtable);
}
Exemplo n.º 5
0
/**
 * Inserts an element into a hashtable.
 */
_hashtable_iterator_t _hashtable_insert_equal(_hashtable_t* pt_hashtable, const void* cpv_value)
{
    size_t                t_bucketcount = 0;
    _hashnode_t*          pt_node = NULL;
    _hashnode_t*          pt_cur = NULL;
    _hashnode_t**         ppt_nodelist = NULL;
    _hashtable_iterator_t it_iter = _create_hashtable_iterator();
    bool_t                b_result = false;
    size_t                t_tmp = 0;
    size_t                t_pos = 0;
    bool_t                b_less = false;
    bool_t                b_greater = false;

    assert(pt_hashtable != NULL);
    assert(cpv_value != NULL);
    assert(_hashtable_is_inited(pt_hashtable));

    /* resize */
    _hashtable_resize(pt_hashtable, _hashtable_size(pt_hashtable) + 1);

    /* allocate node */
    pt_node = _alloc_allocate(
        &pt_hashtable->_t_allocator, _HASHTABLE_NODE_SIZE(_GET_HASHTABLE_TYPE_SIZE(pt_hashtable)), 1);
    assert(pt_node != NULL);
    _hashtable_init_elem_auxiliary(pt_hashtable, pt_node);
    b_result = _GET_HASHTABLE_TYPE_SIZE(pt_hashtable);
    _GET_HASHTABLE_TYPE_COPY_FUNCTION(pt_hashtable)(pt_node->_pby_data, cpv_value, &b_result);
    assert(b_result);

    /* hash */
    t_bucketcount = _hashtable_bucket_count(pt_hashtable);
    t_tmp = _GET_HASHTABLE_TYPE_SIZE(pt_hashtable);
    _hashtable_hash_auxiliary(pt_hashtable, pt_node->_pby_data, &t_tmp);
    t_pos = t_tmp % t_bucketcount;

    /* insert node into hashtable, note the node has same value together */
    ppt_nodelist = (_hashnode_t**)vector_at(&pt_hashtable->_vec_bucket, t_pos);
    assert(ppt_nodelist != NULL);
    pt_cur = *ppt_nodelist;
    if(pt_cur == NULL)
    {
        pt_node->_pt_next = pt_cur;
        *ppt_nodelist = pt_node;
    }
    else
    {
        b_less = b_greater = _GET_HASHTABLE_TYPE_SIZE(pt_hashtable);
        _hashtable_elem_compare_auxiliary(pt_hashtable, pt_cur->_pby_data, pt_node->_pby_data, &b_less);
        _hashtable_elem_compare_auxiliary(pt_hashtable, pt_node->_pby_data, pt_cur->_pby_data, &b_greater);
        if(!b_less && !b_greater)
        {
            pt_node->_pt_next = pt_cur;
            *ppt_nodelist = pt_node;
        }
        else
        {
            while(pt_cur->_pt_next != NULL)
            {
                b_less = b_greater = _GET_HASHTABLE_TYPE_SIZE(pt_hashtable);
                _hashtable_elem_compare_auxiliary(
                    pt_hashtable, pt_cur->_pt_next->_pby_data, pt_node->_pby_data, &b_less);
                _hashtable_elem_compare_auxiliary(
                    pt_hashtable, pt_node->_pby_data, pt_cur->_pt_next->_pby_data, &b_greater);

                if(b_less || b_greater)
                {
                    pt_cur = pt_cur->_pt_next;
                }
                else
                {
                    break;
                }
            } 
            pt_node->_pt_next = pt_cur->_pt_next;
            pt_cur->_pt_next = pt_node;
        }
    }
    pt_hashtable->_t_nodecount++;

    _GET_HASHTABLE_BUCKETPOS(it_iter) = (_byte_t*)ppt_nodelist;
    _GET_HASHTABLE_COREPOS(it_iter) = (_byte_t*)pt_node;
    _GET_HASHTABLE_POINTER(it_iter) = pt_hashtable;

    return it_iter;
}