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迭代器：层级遍历right优先测试通过

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建峰 2024-09-02 11:31:05 +08:00
parent 8044d3b7b4
commit c8f39bf53a
2 changed files with 52 additions and 24 deletions
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69
src/tree.c
View File

@ -1485,6 +1485,7 @@ void* tree_begin(struct _tree* self)
{ {
struct _tree_node* node = NULL; struct _tree_node* node = NULL;
self->cur_node = self->_root; self->cur_node = self->_root;
self->stack->clear(self->stack);
while(!self->stack->empty(self->stack) || self->cur_node != NULL) while(!self->stack->empty(self->stack) || self->cur_node != NULL)
{ {
@ -1513,6 +1514,7 @@ void* tree_begin(struct _tree* self)
{ {
struct _tree_node* node = NULL; struct _tree_node* node = NULL;
self->cur_node = self->_root; self->cur_node = self->_root;
self->stack->clear(self->stack);
while(!self->stack->empty(self->stack) || self->cur_node != NULL) while(!self->stack->empty(self->stack) || self->cur_node != NULL)
{ {
@ -1539,6 +1541,8 @@ void* tree_begin(struct _tree* self)
case ORDER_LEFT_POST: case ORDER_LEFT_POST:
{ {
struct _tree_node* node = self->_root; struct _tree_node* node = self->_root;
self->stack->clear(self->stack);
stack_t stack = stack_new(); stack_t stack = stack_new();
stack_init(stack, sizeof(struct _tree_node*)); stack_init(stack, sizeof(struct _tree_node*));
while(!stack->empty(stack) || node != NULL) while(!stack->empty(stack) || node != NULL)
@ -1569,6 +1573,7 @@ void* tree_begin(struct _tree* self)
return self->cur_node == NULL ? NULL : self->cur_node->obj; return self->cur_node == NULL ? NULL : self->cur_node->obj;
}break; }break;
case ORDER_LEFT_BREADTH: case ORDER_LEFT_BREADTH:
case ORDER_RIGHT_BREADTH:
{ {
struct _tree_node* node = self->_root; struct _tree_node* node = self->_root;
self->queue->clear(self->queue); self->queue->clear(self->queue);
@ -1577,22 +1582,38 @@ void* tree_begin(struct _tree* self)
if(node != NULL) if(node != NULL)
{ {
queue->push(queue, &node); queue->push(queue, &node);
while(!queue->empty(queue)) if(!queue->empty(queue))
{ {
queue->pop(queue, &node); queue->pop(queue, &node);
if(node->left != NULL) if(self->_order == ORDER_LEFT_BREADTH)
{ {
queue->push(queue, &node->left); if(node->left != NULL)
{
queue->push(queue, &node->left);
}
if(node->right != NULL)
{
queue->push(queue, &node->right);
}
} }
if(node->right != NULL) else
{ {
queue->push(queue, &node->right); if(node->right != NULL)
{
queue->push(queue, &node->right);
}
if(node->left != NULL)
{
queue->push(queue, &node->left);
}
} }
// self->print_obj(node->obj); self->cur_node = node;
break; }
else
{
self->cur_node = NULL;
} }
} }
self->cur_node = node;
return self->cur_node == NULL ? NULL : self->cur_node->obj; return self->cur_node == NULL ? NULL : self->cur_node->obj;
}break; }break;
case ORDER_RIGHT_PRE: case ORDER_RIGHT_PRE:
@ -1606,10 +1627,6 @@ void* tree_begin(struct _tree* self)
case ORDER_RIGHT_POST: case ORDER_RIGHT_POST:
{ {
}break;
case ORDER_RIGHT_BREADTH:
{
}break; }break;
default: default:
{ {
@ -1686,21 +1703,35 @@ void* tree_next(struct _tree* self)
return self->cur_node == NULL ? NULL : self->cur_node->obj; return self->cur_node == NULL ? NULL : self->cur_node->obj;
}break; }break;
case ORDER_LEFT_BREADTH: case ORDER_LEFT_BREADTH:
case ORDER_RIGHT_BREADTH:
{ {
struct _tree_node* node = self->cur_node; struct _tree_node* node = self->cur_node;
queue_t queue = self->queue; queue_t queue = self->queue;
if(!queue->empty(queue) && node != NULL) if(!queue->empty(queue) && node != NULL)
{ {
queue->pop(queue, &node); queue->pop(queue, &node);
if(node->left != NULL) if(self->_order == ORDER_LEFT_BREADTH)
{ {
queue->push(queue, &node->left); if(node->left != NULL)
{
queue->push(queue, &node->left);
}
if(node->right != NULL)
{
queue->push(queue, &node->right);
}
} }
if(node->right != NULL) else
{ {
queue->push(queue, &node->right); if(node->right != NULL)
{
queue->push(queue, &node->right);
}
if(node->left != NULL)
{
queue->push(queue, &node->left);
}
} }
self->cur_node = node; self->cur_node = node;
} }
else else
@ -1720,10 +1751,6 @@ void* tree_next(struct _tree* self)
case ORDER_RIGHT_POST: case ORDER_RIGHT_POST:
{ {
}break;
case ORDER_RIGHT_BREADTH:
{
}break; }break;
default: default:
{ {

7
test/test_tree.c
View File

@ -545,7 +545,7 @@ static void test_tree_iter(void)
TEST_ASSERT_EQUAL_INT_ARRAY(expected_int_array_orderpre_insert[i], buff, count); TEST_ASSERT_EQUAL_INT_ARRAY(expected_int_array_orderpre_insert[i], buff, count);
} }
for(i = 1; i < 3; i++) for(i = 1; i < 5; i++)
{ {
tree->set_order(tree, i); //ORDER_LEFT_IN tree->set_order(tree, i); //ORDER_LEFT_IN
// printf("\n ----- iter test -----\n"); // printf("\n ----- iter test -----\n");
@ -566,7 +566,8 @@ static void test_tree_iter(void)
// tree->set_order(tree, ORDER_LEFT_PRE); // tree->set_order(tree, ORDER_LEFT_PRE);
// tree->set_order(tree, ORDER_LEFT_IN); // tree->set_order(tree, ORDER_LEFT_IN);
// tree->set_order(tree, ORDER_LEFT_POST); // tree->set_order(tree, ORDER_LEFT_POST);
tree->set_order(tree, ORDER_LEFT_BREADTH); // tree->set_order(tree, ORDER_LEFT_BREADTH);
tree->set_order(tree, ORDER_RIGHT_BREADTH);
printf("\n ----- iter data -----\n"); printf("\n ----- iter data -----\n");
for (count = 0, iter = tree->begin(tree); iter != tree->end(tree); iter = tree->next(tree)) for (count = 0, iter = tree->begin(tree); iter != tree->end(tree); iter = tree->next(tree))
{ {
@ -574,7 +575,7 @@ static void test_tree_iter(void)
buff[count++] = *iter; buff[count++] = *iter;
} }
printf("\n"); printf("\n");
TEST_ASSERT_EQUAL_INT_ARRAY(expected_int_array[4], buff, count); TEST_ASSERT_EQUAL_INT_ARRAY(expected_int_array[tree->_order], buff, count);
TEST_ASSERT_FALSE(tree->empty(tree)); TEST_ASSERT_FALSE(tree->empty(tree));
TEST_ASSERT_TRUE(tree->clear(tree)); TEST_ASSERT_TRUE(tree->clear(tree));