C++ (Cpp) IsIntegerList Examples

Example #1

File: list.c Project: PJMODOS/postgres

/*
 * This variant of list_concat_unique() operates upon lists of integers.
 */
List *
list_concat_unique_int(List *list1, List *list2)
{
	ListCell   *cell;

	Assert(IsIntegerList(list1));
	Assert(IsIntegerList(list2));

	foreach(cell, list2)
	{
		if (!list_member_int(list1, lfirst_int(cell)))
			list1 = lappend_int(list1, lfirst_int(cell));
	}

	check_list_invariants(list1);
	return list1;
}

Example #2

File: list.c Project: PJMODOS/postgres

/*
 * This variant of list_union() operates upon lists of integers.
 */
List *
list_union_int(const List *list1, const List *list2)
{
	List	   *result;
	const ListCell *cell;

	Assert(IsIntegerList(list1));
	Assert(IsIntegerList(list2));

	result = list_copy(list1);
	foreach(cell, list2)
	{
		if (!list_member_int(result, lfirst_int(cell)))
			result = lappend_int(result, lfirst_int(cell));
	}

	check_list_invariants(result);
	return result;
}

Example #3

File: list.c Project: PJMODOS/postgres

/*
 * This variant of list_difference() operates upon lists of integers.
 */
List *
list_difference_int(const List *list1, const List *list2)
{
	const ListCell *cell;
	List	   *result = NIL;

	Assert(IsIntegerList(list1));
	Assert(IsIntegerList(list2));

	if (list2 == NIL)
		return list_copy(list1);

	foreach(cell, list1)
	{
		if (!list_member_int(list2, lfirst_int(cell)))
			result = lappend_int(result, lfirst_int(cell));
	}

	check_list_invariants(result);
	return result;
}

Example #4

File: list.c Project: PJMODOS/postgres

ListCell *
lappend_cell_int(List *list, ListCell *prev, int datum)
{
	ListCell   *new_cell;

	Assert(IsIntegerList(list));

	new_cell = add_new_cell(list, prev);
	lfirst_int(new_cell) = datum;
	check_list_invariants(list);
	return new_cell;
}

Example #5

File: list.c Project: cuulee/pipelinedb

/*
 * As list_intersection but operates on lists of integers.
 */
List *
list_intersection_int(const List *list1, const List *list2)
{
	List	   *result;
	const ListCell *cell;

	if (list1 == NIL || list2 == NIL)
		return NIL;

	Assert(IsIntegerList(list1));
	Assert(IsIntegerList(list2));

	result = NIL;
	foreach(cell, list1)
	{
		if (list_member_int(list2, lfirst_int(cell)))
			result = lappend_int(result, lfirst_int(cell));
	}

	check_list_invariants(result);
	return result;
}

Example #6

File: list.c Project: PJMODOS/postgres

/*
 * Prepend an integer to the list. See lcons()
 */
List *
lcons_int(int datum, List *list)
{
	Assert(IsIntegerList(list));

	if (list == NIL)
		list = new_list(T_IntList);
	else
		new_head_cell(list);

	lfirst_int(list->head) = datum;
	check_list_invariants(list);
	return list;
}

Example #7

File: list.c Project: PJMODOS/postgres

/*
 * Append an integer to the specified list. See lappend()
 */
List *
lappend_int(List *list, int datum)
{
	Assert(IsIntegerList(list));

	if (list == NIL)
		list = new_list(T_IntList);
	else
		new_tail_cell(list);

	lfirst_int(list->tail) = datum;
	check_list_invariants(list);
	return list;
}

Example #8

File: list.c Project: PJMODOS/postgres

/*
 * Return true iff the integer 'datum' is a member of the list.
 */
bool
list_member_int(const List *list, int datum)
{
	const ListCell *cell;

	Assert(IsIntegerList(list));
	check_list_invariants(list);

	foreach(cell, list)
	{
		if (lfirst_int(cell) == datum)
			return true;
	}

	return false;
}

Example #9

File: list.c Project: PJMODOS/postgres

/* As above, but for integers */
List *
list_delete_int(List *list, int datum)
{
	ListCell   *cell;
	ListCell   *prev;

	Assert(IsIntegerList(list));
	check_list_invariants(list);

	prev = NULL;
	foreach(cell, list)
	{
		if (lfirst_int(cell) == datum)
			return list_delete_cell(list, cell, prev);

		prev = cell;
	}

	/* Didn't find a match: return the list unmodified */
	return list;
}

Example #10

File: list.c Project: PJMODOS/postgres

/*
 * Return the integer value contained in the n'th element of the
 * specified list.
 */
int
list_nth_int(const List *list, int n)
{
	Assert(IsIntegerList(list));
	return lfirst_int(list_nth_cell(list, n));
}