Пример #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;
}
Пример #2
0
/**
 * Test the type that saved in the hashtable container is same.
 */
bool_t _hashtable_same_type(const _hashtable_t* cpt_first, const _hashtable_t* cpt_second)
{
    assert(cpt_first != NULL);
    assert(cpt_second != NULL);
    assert(_hashtable_is_inited(cpt_first) || _hashtable_is_created(cpt_first));
    assert(_hashtable_is_inited(cpt_second) || _hashtable_is_created(cpt_second));

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

    return (cpt_first->_t_typeinfo._pt_type == cpt_second->_t_typeinfo._pt_type) &&
           (cpt_first->_t_typeinfo._t_style == cpt_second->_t_typeinfo._t_style) &&
           _type_is_same(_GET_HASHTABLE_TYPE_NAME(cpt_first), _GET_HASHTABLE_TYPE_NAME(cpt_second));
}
Пример #3
0
/**
 * Get the bucket count of elements int the hashtable.
 */
size_t _hashtable_bucket_count(const _hashtable_t* cpt_hashtable)
{
    assert(cpt_hashtable != NULL);
    assert(_hashtable_is_inited(cpt_hashtable));

    return vector_size(&cpt_hashtable->_vec_bucket);
}
Пример #4
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/**
 * Get the maximum number of elements int the hashtable.
 */
size_t _hashtable_max_size(const _hashtable_t* cpt_hashtable)
{
    assert(cpt_hashtable != NULL);
    assert(_hashtable_is_inited(cpt_hashtable));

    return (size_t)(-1) / _GET_HASHTABLE_TYPE_SIZE(cpt_hashtable);
}
Пример #5
0
/**
 * Test if an hashtable is empty.
 */
bool_t _hashtable_empty(const _hashtable_t* cpt_hashtable)
{
    assert(cpt_hashtable != NULL);
    assert(_hashtable_is_inited(cpt_hashtable));

    return cpt_hashtable->_t_nodecount == 0 ? true : false;
}
Пример #6
0
/**
 * Get the number of elements int the hashtable.
 */
size_t _hashtable_size(const _hashtable_t* cpt_hashtable)
{
    assert(cpt_hashtable != NULL);
    assert(_hashtable_is_inited(cpt_hashtable));

    return cpt_hashtable->_t_nodecount;
}
Пример #7
0
/**
 * Assign hashtable container.
 */
void _hashtable_assign(_hashtable_t* pt_dest, const _hashtable_t* cpt_src)
{
    assert(pt_dest != NULL);
    assert(cpt_src != NULL);
    assert(_hashtable_is_inited(pt_dest));
    assert(_hashtable_is_inited(cpt_src));
    assert(_hashtable_same_type_ex(pt_dest, cpt_src));

    /* clear all elements */
    _hashtable_clear(pt_dest);
    /* insert node from src to dest */
    if(!_hashtable_empty(cpt_src))
    {
        _hashtable_insert_equal_range(pt_dest, _hashtable_begin(cpt_src), _hashtable_end(cpt_src));
    }
}
Пример #8
0
/*
 * Erase a range of element in an hashtable.
 */
void _hashtable_erase_range(
    _hashtable_t* pt_hashtable, _hashtable_iterator_t it_begin, _hashtable_iterator_t it_end)
{
    _hashtable_iterator_t it_iter;
    _hashtable_iterator_t it_next;

    assert(pt_hashtable != NULL);
    assert(_hashtable_is_inited(pt_hashtable));
    assert(_hashtable_iterator_belong_to_hashtable(pt_hashtable, it_begin));
    assert(_hashtable_iterator_belong_to_hashtable(pt_hashtable, it_end));
    assert(_hashtable_iterator_equal(it_begin, it_end) || _hashtable_iterator_before(it_begin, it_end));

    it_iter = it_next = it_begin;
    if(!_hashtable_iterator_equal(it_next, _hashtable_end(pt_hashtable)))
    {
        it_next = _hashtable_iterator_next(it_next);
    }
    while(!_hashtable_iterator_equal(it_iter, it_end))
    {
        _hashtable_erase_pos(pt_hashtable, it_iter);

        it_iter = it_next;
        if(!_hashtable_iterator_equal(it_next, _hashtable_end(pt_hashtable)))
        {
            it_next = _hashtable_iterator_next(it_next);
        }
    }
}
Пример #9
0
/**
 * Return the compare function of key.
 */
binary_function_t _hashtable_key_comp(const _hashtable_t* cpt_hashtable)
{
    assert(cpt_hashtable != NULL);
    assert(_hashtable_is_inited(cpt_hashtable));

    return cpt_hashtable->_bfun_compare;
}
Пример #10
0
/**
 * Erases all the elements of an hashtable.
 */
void _hashtable_clear(_hashtable_t* pt_hashtable)
{
    size_t       t_bucketcount = 0;
    size_t       i = 0;
    _hashnode_t* pt_node = NULL;
    _hashnode_t* pt_deletion = NULL;
    bool_t       b_result = false;

    assert(pt_hashtable != NULL);
    assert(_hashtable_is_inited(pt_hashtable) || _hashtable_is_created(pt_hashtable));

    t_bucketcount = vector_size(&pt_hashtable->_vec_bucket);
    /* iterator all bucket node */
    for(i = 0; i < t_bucketcount; ++i)
    {
        /* iterator all element list for one bucket node */
        pt_node = *(_hashnode_t**)vector_at(&pt_hashtable->_vec_bucket, i);
        *(_hashnode_t**)vector_at(&pt_hashtable->_vec_bucket, i) = NULL;
        while(pt_node != NULL)
        {
            /* delete each element */
            pt_deletion = pt_node;
            pt_node = pt_node->_pt_next;

            /* destroy element */
            b_result = _GET_HASHTABLE_TYPE_SIZE(pt_hashtable);
            _GET_HASHTABLE_TYPE_DESTROY_FUNCTION(pt_hashtable)(pt_deletion->_pby_data, &b_result);
            assert(b_result);
            _alloc_deallocate(&pt_hashtable->_t_allocator,  pt_deletion, 
                _HASHTABLE_NODE_SIZE(_GET_HASHTABLE_TYPE_SIZE(pt_hashtable)), 1);
        }
    }
    
    pt_hashtable->_t_nodecount = 0;
}
Пример #11
0
/**
 * Inserts an unique element into a hashtable.
 */
_hashtable_iterator_t _hashtable_insert_unique(_hashtable_t* pt_hashtable, const void* cpv_value)
{
    _hashtable_iterator_t it_iter;

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

    if(_hashtable_empty(pt_hashtable))
    {
        return _hashtable_insert_equal(pt_hashtable, cpv_value);
    }
    else
    {
        it_iter = _hashtable_find(pt_hashtable, cpv_value);
        if(!_hashtable_iterator_equal(it_iter, _hashtable_end(pt_hashtable)))
        {
            return _hashtable_end(pt_hashtable);
        }
        else
        {
            return _hashtable_insert_equal(pt_hashtable, cpv_value);
        }
    }
}
Пример #12
0
/**
 * Return the hash function.
 */
unary_function_t _hashtable_hash(const _hashtable_t* cpt_hashtable)
{
    assert(cpt_hashtable != NULL);
    assert(_hashtable_is_inited(cpt_hashtable));

    return cpt_hashtable->_ufun_hash;
}
Пример #13
0
/**
 * Return an iterator that addresses the first element in the hashtable.
 */
_hashtable_iterator_t _hashtable_begin(const _hashtable_t* cpt_hashtable)
{
    vector_iterator_t     it_bucket;
    _hashtable_iterator_t it_iter = _create_hashtable_iterator();

    assert(cpt_hashtable != NULL);
    assert(_hashtable_is_inited(cpt_hashtable));

    for(it_bucket = vector_begin(&cpt_hashtable->_vec_bucket);
        !iterator_equal(it_bucket, vector_end(&cpt_hashtable->_vec_bucket));
        it_bucket = iterator_next(it_bucket))
    {
        _GET_HASHTABLE_BUCKETPOS(it_iter) = _GET_VECTOR_COREPOS(it_bucket);
        if(*(_hashnode_t**)_GET_HASHTABLE_BUCKETPOS(it_iter) != NULL)
        {
            _GET_HASHTABLE_COREPOS(it_iter) = (_byte_t*)*(_hashnode_t**)_GET_HASHTABLE_BUCKETPOS(it_iter);
            break;
        }
    }
    if(iterator_equal(it_bucket, vector_end(&cpt_hashtable->_vec_bucket)))
    {
        assert(_GET_HASHTABLE_COREPOS(it_iter) == NULL);
        _GET_HASHTABLE_BUCKETPOS(it_iter) = _GET_VECTOR_COREPOS(it_bucket);
    }
    _GET_HASHTABLE_POINTER(it_iter) = (_hashtable_t*)cpt_hashtable;

    return it_iter;
}
Пример #14
0
/**
 * Test the type that saved in the hashtable container and referenced by it_iter are same.
 */
bool_t _hashtable_same_iterator_type(const _hashtable_t* cpt_hashtable, iterator_t it_iter)
{
    assert(cpt_hashtable != NULL);
    assert(_hashtable_is_inited(cpt_hashtable) || _hashtable_is_created(cpt_hashtable));
    assert(_iterator_is_valid(it_iter));

    return _type_is_same_ex(&cpt_hashtable->_t_typeinfo, _iterator_get_typeinfo(it_iter));
}
Пример #15
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;
}
Пример #16
0
/**
 * Swap the datas of first hashtable and second hashtable.
 */
void _hashtable_swap(_hashtable_t* pt_first, _hashtable_t* pt_second)
{
    _hashtable_t t_swap;

    assert(pt_first != NULL);
    assert(pt_second != NULL);
    assert(_hashtable_is_inited(pt_first));
    assert(_hashtable_is_inited(pt_second));
    assert(_hashtable_same_type_ex(pt_first, pt_second));

    if (_hashtable_equal(pt_first, pt_second)) {
        return;
    }

    t_swap = *pt_first;
    *pt_first = *pt_second;
    *pt_second = t_swap;
}
Пример #17
0
/**
 * Test the type and compare function that saved in the hashtable container is same.
 */
bool_t _hashtable_same_type_ex(const _hashtable_t* cpt_first, const _hashtable_t* cpt_second)
{
    assert(cpt_first != NULL);
    assert(cpt_second != NULL);
    assert(_hashtable_is_inited(cpt_first) || _hashtable_is_created(cpt_first));
    assert(_hashtable_is_inited(cpt_second) || _hashtable_is_created(cpt_second));

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

    return (cpt_first->_t_typeinfo._pt_type == cpt_second->_t_typeinfo._pt_type) &&
           (cpt_first->_t_typeinfo._t_style == cpt_second->_t_typeinfo._t_style) &&
           (cpt_first->_ufun_hash == cpt_second->_ufun_hash) &&
           (cpt_first->_bfun_compare == cpt_second->_bfun_compare) &&
           vector_size(&cpt_first->_vec_bucket) == vector_size(&cpt_second->_vec_bucket) &&
           _type_is_same(_GET_HASHTABLE_TYPE_NAME(cpt_first), _GET_HASHTABLE_TYPE_NAME(cpt_second));
}
Пример #18
0
/**
 * Assign hashtable container.
 */
void _hashtable_assign(_hashtable_t* pt_dest, const _hashtable_t* cpt_src)
{
    _hashtable_iterator_t it_iter;

    assert(pt_dest != NULL);
    assert(cpt_src != NULL);
    assert(_hashtable_is_inited(pt_dest));
    assert(_hashtable_is_inited(cpt_src));
    assert(_hashtable_same_type_ex(pt_dest, cpt_src));

    /* clear all elements */
    _hashtable_clear(pt_dest);
    /* insert node from src to dest */
    for (it_iter = _hashtable_begin(cpt_src);
         !_hashtable_iterator_equal(it_iter, _hashtable_end(cpt_src));
         it_iter = _hashtable_iterator_next(it_iter)) {
        _hashtable_insert_equal(pt_dest, _hashtable_iterator_get_pointer_ignore_cstr(it_iter));
    }
}
Пример #19
0
/**
 * hash auxiliary
 */
void _hashtable_hash_auxiliary(const _hashtable_t* cpt_hashtable, const void* cpv_input, void* pv_output)
{
    assert(cpt_hashtable != NULL);
    assert(cpv_input != NULL);
    assert(pv_output != NULL);
    assert(_hashtable_is_inited(cpt_hashtable));

    if (strncmp(_GET_HASHTABLE_TYPE_NAME(cpt_hashtable), _C_STRING_TYPE, _TYPE_NAME_SIZE) == 0) {
        *(size_t*)pv_output = strlen(string_c_str((string_t*)cpv_input));
        cpt_hashtable->_ufun_hash(string_c_str((string_t*)cpv_input), pv_output);
    } else {
        cpt_hashtable->_ufun_hash(cpv_input, pv_output);
    } 
}
Пример #20
0
/**
 * Inserts an range of unique element into a hashtable.
 */
void _hashtable_insert_unique_range(_hashtable_t* pt_hashtable, iterator_t it_begin, iterator_t it_end)
{
    iterator_t it_iter;

    assert(pt_hashtable != NULL);
    assert(_hashtable_is_inited(pt_hashtable));
    assert(_hashtable_same_iterator_type(pt_hashtable, it_begin));
    assert(_hashtable_same_iterator_type(pt_hashtable, it_end));
    assert(iterator_equal(it_begin, it_end) || _iterator_before(it_begin, it_end));

    for (it_iter = it_begin; !iterator_equal(it_iter, it_end); it_iter = iterator_next(it_iter)) {
        _hashtable_insert_unique(pt_hashtable, _iterator_get_pointer_ignore_cstr(it_iter));
    }
}
Пример #21
0
/**
 * Find specific element.
 */
_hashtable_iterator_t _hashtable_find(const _hashtable_t* cpt_hashtable, const void* cpv_value)
{
    _hashtable_iterator_t it_iter = _create_hashtable_iterator();
    size_t                t_bucketcount = 0;
    _hashnode_t*          pt_node = NULL;
    _hashnode_t**         ppt_bucket = NULL;
    size_t                t_tmp = 0;
    size_t                t_pos = 0;
    bool_t                b_less = false;
    bool_t                b_greater = false;

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

    t_bucketcount = _hashtable_bucket_count(cpt_hashtable);
    t_tmp = _GET_HASHTABLE_TYPE_SIZE(cpt_hashtable);
    _hashtable_hash_auxiliary(cpt_hashtable, cpv_value, &t_tmp);
    t_pos = t_tmp % t_bucketcount;
    ppt_bucket = (_hashnode_t**)vector_at(&cpt_hashtable->_vec_bucket, t_pos);
    pt_node = *ppt_bucket;

    while(pt_node != NULL)
    {
        b_less = b_greater = _GET_HASHTABLE_TYPE_SIZE(cpt_hashtable);
        _hashtable_elem_compare_auxiliary(cpt_hashtable, pt_node->_pby_data, cpv_value, &b_less);
        _hashtable_elem_compare_auxiliary(cpt_hashtable, cpv_value, pt_node->_pby_data, &b_greater);
        if(b_less || b_greater)
        {
            pt_node = pt_node->_pt_next;
        }
        else
        {
            break;
        }
    }

    if(pt_node == NULL)
    {
        return _hashtable_end(cpt_hashtable);
    }
    else
    {
        _GET_HASHTABLE_BUCKETPOS(it_iter) = (_byte_t*)ppt_bucket;
        _GET_HASHTABLE_COREPOS(it_iter) = (_byte_t*)pt_node;
        _GET_HASHTABLE_POINTER(it_iter) = (_hashtable_t*)cpt_hashtable;

        return it_iter;
    }
}
Пример #22
0
/**
 * Return an iterator that addresses the location succeeding the last element in the hashtable.
 */
_hashtable_iterator_t _hashtable_end(const _hashtable_t* cpt_hashtable)
{
    vector_iterator_t     it_bucket;
    _hashtable_iterator_t it_iter = _create_hashtable_iterator();

    assert(cpt_hashtable != NULL);
    assert(_hashtable_is_inited(cpt_hashtable));

    it_bucket = vector_end(&cpt_hashtable->_vec_bucket);
    _GET_HASHTABLE_BUCKETPOS(it_iter) = _GET_VECTOR_COREPOS(it_bucket);
    _GET_HASHTABLE_COREPOS(it_iter) = NULL;
    _GET_HASHTABLE_POINTER(it_iter) = (_hashtable_t*)cpt_hashtable;

    return it_iter;
}
Пример #23
0
/**
 * Element compare function auxiliary
 */
void _hashtable_elem_compare_auxiliary(
    const _hashtable_t* cpt_hashtable, const void* cpv_first, const void* cpv_second, void* pv_output)
{
    assert(cpt_hashtable != NULL);
    assert(cpv_first != NULL);
    assert(cpv_second != NULL);
    assert(pv_output != NULL);
    assert(_hashtable_is_inited(cpt_hashtable));

    if (strncmp(_GET_HASHTABLE_TYPE_NAME(cpt_hashtable), _C_STRING_TYPE, _TYPE_NAME_SIZE) == 0 &&
        cpt_hashtable->_bfun_compare != _GET_HASHTABLE_TYPE_LESS_FUNCTION(cpt_hashtable)) {
        cpt_hashtable->_bfun_compare(string_c_str((string_t*)cpv_first), string_c_str((string_t*)cpv_second), pv_output);
    } else {
        cpt_hashtable->_bfun_compare(cpv_first, cpv_second, pv_output);
    }
}
Пример #24
0
/**
 * Inserts an range of unique element into a hashtable.
 */
void _hashtable_insert_unique_range(
    _hashtable_t* pt_hashtable, _hashtable_iterator_t it_begin, _hashtable_iterator_t it_end)
{
    _hashtable_iterator_t it_iter;

    assert(pt_hashtable != NULL);
    assert(_hashtable_is_inited(pt_hashtable));
    assert(_hashtable_same_hashtable_iterator_type(pt_hashtable, it_begin));
    assert(_hashtable_same_hashtable_iterator_type(pt_hashtable, it_end));
    assert(_hashtable_iterator_equal(it_begin, it_end) || _hashtable_iterator_before(it_begin, it_end));

    for(it_iter = it_begin; !_hashtable_iterator_equal(it_iter, it_end); it_iter = _hashtable_iterator_next(it_iter))
    {
        _hashtable_insert_unique(pt_hashtable, ((_hashnode_t*)_GET_HASHTABLE_COREPOS(it_iter))->_pby_data);
    }
}
Пример #25
0
/**
 * Initialize hashtable container with hashtable.
 */
void _hashtable_init_copy(_hashtable_t* pt_dest, const _hashtable_t* cpt_src)
{
    assert(pt_dest != NULL);
    assert(cpt_src != NULL);
    assert(_hashtable_is_created(pt_dest));
    assert(_hashtable_is_inited(cpt_src));
    assert(_hashtable_same_type(pt_dest, cpt_src));

    /* initialize the dest hashtable with src hashtable attribute */
    _hashtable_init(pt_dest, _hashtable_bucket_count(cpt_src), cpt_src->_ufun_hash, cpt_src->_bfun_compare);
    /* insert node from src to dest */
    if(!_hashtable_empty(cpt_src))
    {
        _hashtable_insert_equal_range(pt_dest, _hashtable_begin(cpt_src), _hashtable_end(cpt_src));
    }
}
Пример #26
0
/*
 * Erase an element in an hashtable from specificed position.
 */
void _hashtable_erase_pos(_hashtable_t* pt_hashtable, _hashtable_iterator_t it_pos)
{
    _hashnode_t** ppt_bucket = NULL;
    _hashnode_t*  pt_node = NULL;
    _hashnode_t*  pt_deletion = NULL;
    bool_t        b_result = false;

    assert(pt_hashtable != NULL);
    assert(_hashtable_is_inited(pt_hashtable));
    assert(_hashtable_iterator_belong_to_hashtable(pt_hashtable, it_pos));
    assert(!_hashtable_iterator_equal(it_pos, _hashtable_end(pt_hashtable)));

    /* get the previous node */
    ppt_bucket = (_hashnode_t**)_GET_HASHTABLE_BUCKETPOS(it_pos);
    pt_node = *ppt_bucket;
    pt_deletion = (_hashnode_t*)_GET_HASHTABLE_COREPOS(it_pos);
    if(pt_node == pt_deletion)
    {
        /* the deletion node is the first node of node list */
        *ppt_bucket = pt_node->_pt_next;
    }
    else
    {
        while(pt_node->_pt_next != NULL)
        {
            if(pt_node->_pt_next == pt_deletion)
            {
                pt_node->_pt_next = pt_deletion->_pt_next;
                break;
            }
            else
            {
                pt_node = pt_node->_pt_next;
            }
        }
    }
    /* delete the node */
    b_result = _GET_HASHTABLE_TYPE_SIZE(pt_hashtable);
    _GET_HASHTABLE_TYPE_DESTROY_FUNCTION(pt_hashtable)(pt_deletion->_pby_data, &b_result);
    assert(b_result);
    _alloc_deallocate(
        &pt_hashtable->_t_allocator, pt_deletion, _HASHTABLE_NODE_SIZE(_GET_HASHTABLE_TYPE_SIZE(pt_hashtable)), 1);
    /* update the hashtable size */
    pt_hashtable->_t_nodecount--;
}
Пример #27
0
/**
 * Initialize element auxiliary function
 */
void _hashtable_init_elem_auxiliary(_hashtable_t* pt_hashtable, _hashnode_t* pt_node)
{
    assert(pt_hashtable != NULL);
    assert(pt_node != NULL);
    assert(_hashtable_is_inited(pt_hashtable) || _hashtable_is_created(pt_hashtable));

    /* initialize new elements */
    if (_GET_HASHTABLE_TYPE_STYLE(pt_hashtable) == _TYPE_CSTL_BUILTIN) {
        /* get element type name */
        char s_elemtypename[_TYPE_NAME_SIZE + 1];
        _type_get_elem_typename(_GET_HASHTABLE_TYPE_NAME(pt_hashtable), s_elemtypename);

        _GET_HASHTABLE_TYPE_INIT_FUNCTION(pt_hashtable)(pt_node->_pby_data, s_elemtypename);
    } else {
        bool_t b_result = _GET_HASHTABLE_TYPE_SIZE(pt_hashtable);
        _GET_HASHTABLE_TYPE_INIT_FUNCTION(pt_hashtable)(pt_node->_pby_data, &b_result);
        assert(b_result);
    }
}
Пример #28
0
/**
 * Initialize hashtable container with hashtable.
 */
void _hashtable_init_copy(_hashtable_t* pt_dest, const _hashtable_t* cpt_src)
{
    _hashtable_iterator_t it_iter;

    assert(pt_dest != NULL);
    assert(cpt_src != NULL);
    assert(_hashtable_is_created(pt_dest));
    assert(_hashtable_is_inited(cpt_src));
    assert(_hashtable_same_type(pt_dest, cpt_src));

    /* initialize the dest hashtable with src hashtable attribute */
    _hashtable_init(pt_dest, _hashtable_bucket_count(cpt_src), cpt_src->_ufun_hash, cpt_src->_bfun_compare);
    /* insert node from src to dest */
    for (it_iter = _hashtable_begin(cpt_src);
         !_hashtable_iterator_equal(it_iter, _hashtable_end(cpt_src));
         it_iter = _hashtable_iterator_next(it_iter)) {
        _hashtable_insert_equal(pt_dest, _hashtable_iterator_get_pointer_ignore_cstr(it_iter));
    }
}
Пример #29
0
/**
 * Test iterator referenced data is within the hashtable.
 */
bool_t _hashtable_iterator_belong_to_hashtable(const _hashtable_t* cpt_hashtable, _hashtable_iterator_t it_iter)
{
    vector_iterator_t it_bucket;
    vector_iterator_t it_begin;
    vector_iterator_t it_end;

    assert(cpt_hashtable != NULL);
    assert(_hashtable_is_inited(cpt_hashtable));
    assert(_HASHTABLE_ITERATOR_BUCKETPOS(it_iter) != NULL);
    assert(_HASHTABLE_ITERATOR_HASHTABLE(it_iter) == cpt_hashtable);

    /* check for the end node */
    it_bucket = vector_end(&cpt_hashtable->_vec_bucket);
    if (_VECTOR_ITERATOR_COREPOS(it_bucket) == _HASHTABLE_ITERATOR_BUCKETPOS(it_iter) &&
        _HASHTABLE_ITERATOR_COREPOS(it_iter) == NULL) {
        return true;
    } else {
        _hashnode_t* pt_node = NULL;
        it_begin = vector_begin(&cpt_hashtable->_vec_bucket);
        it_end = vector_end(&cpt_hashtable->_vec_bucket);
        for (it_bucket = it_begin; !iterator_equal(it_bucket, it_end); it_bucket = iterator_next(it_bucket)) {
            if (_HASHTABLE_ITERATOR_BUCKETPOS(it_iter) == _VECTOR_ITERATOR_COREPOS(it_bucket)) {
                pt_node = *(_hashnode_t**)_VECTOR_ITERATOR_COREPOS(it_bucket);
                while (pt_node != NULL) {
                    if (pt_node == (_hashnode_t*)_HASHTABLE_ITERATOR_COREPOS(it_iter)) {
                        return true;
                    }

                    pt_node = pt_node->_pt_next;
                }
            }
        }

        return false;
    }
}
Пример #30
0
/**
 * Inserts an array of unique element into a hashtable.
 */
void _hashtable_insert_unique_array(_hashtable_t* pt_hashtable, const void* cpv_array, size_t t_count)
{
    size_t i = 0;

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

    /*
     * Copy the elements from src array to dest hashtable
     * The array of c builtin and user define or cstl builtin are different,
     * the elements of c builtin array are element itself, but the elements of 
     * c string, user define or cstl are pointer of element.
     */
    if (strncmp(_GET_HASHTABLE_TYPE_BASENAME(pt_hashtable), _C_STRING_TYPE, _TYPE_NAME_SIZE) == 0) {
        /*
         * We need built a string_t for c string element.
         */
        string_t* pstr_elem = create_string();
        assert(pstr_elem != NULL);
        string_init(pstr_elem);
        for (i = 0; i < t_count; ++i) {
            string_assign_cstr(pstr_elem, *((const char**)cpv_array + i));
            _hashtable_insert_unique(pt_hashtable, pstr_elem);
        }
        string_destroy(pstr_elem);
    } else if (_GET_HASHTABLE_TYPE_STYLE(pt_hashtable) == _TYPE_C_BUILTIN) {
        for (i = 0; i < t_count; ++i) {
            _hashtable_insert_unique(pt_hashtable, (unsigned char*)cpv_array + i * _GET_HASHTABLE_TYPE_SIZE(pt_hashtable));
        }
    } else {
        for (i = 0; i < t_count; ++i) {
            _hashtable_insert_unique(pt_hashtable, *((void**)cpv_array + i));
        }
    }
}