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Implement G_LEVEL_ORDER correctly.

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* glib/gnode.c (g_node_traverse): Implement G_LEVEL_ORDER correctly.

        * tests/node-test.c: Add a testcase for G_LEVEL_ORDER implementation.

        * glib/tmpl/trees-nary.sgml: Document G_LEVEL_ORDER better.
This commit is contained in:
Matthias Clasen 2001-11-26 19:08:46 +00:00
parent e446298113
commit e409b5ae5e
12 changed files with 89 additions and 107 deletions
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4
ChangeLog
View File

@ -1,5 +1,9 @@
2001-11-26 Matthias Clasen <matthiasc@poet.de>
* glib/gnode.c (g_node_traverse): Implement G_LEVEL_ORDER correctly.
* tests/node-test.c: Add a testcase for G_LEVEL_ORDER implementation.
* glib/gtree.h: Mark g_tree_traverse() as deprecated. (#65343)
* glib/gtree.c (g_tree_traverse): Explain the deprecation in

4
ChangeLog.pre-2-0
View File

@ -1,5 +1,9 @@
2001-11-26 Matthias Clasen <matthiasc@poet.de>
* glib/gnode.c (g_node_traverse): Implement G_LEVEL_ORDER correctly.
* tests/node-test.c: Add a testcase for G_LEVEL_ORDER implementation.
* glib/gtree.h: Mark g_tree_traverse() as deprecated. (#65343)
* glib/gtree.c (g_tree_traverse): Explain the deprecation in

4
ChangeLog.pre-2-10
View File

@ -1,5 +1,9 @@
2001-11-26 Matthias Clasen <matthiasc@poet.de>
* glib/gnode.c (g_node_traverse): Implement G_LEVEL_ORDER correctly.
* tests/node-test.c: Add a testcase for G_LEVEL_ORDER implementation.
* glib/gtree.h: Mark g_tree_traverse() as deprecated. (#65343)
* glib/gtree.c (g_tree_traverse): Explain the deprecation in

4
ChangeLog.pre-2-12
View File

@ -1,5 +1,9 @@
2001-11-26 Matthias Clasen <matthiasc@poet.de>
* glib/gnode.c (g_node_traverse): Implement G_LEVEL_ORDER correctly.
* tests/node-test.c: Add a testcase for G_LEVEL_ORDER implementation.
* glib/gtree.h: Mark g_tree_traverse() as deprecated. (#65343)
* glib/gtree.c (g_tree_traverse): Explain the deprecation in

4
ChangeLog.pre-2-2
View File

@ -1,5 +1,9 @@
2001-11-26 Matthias Clasen <matthiasc@poet.de>
* glib/gnode.c (g_node_traverse): Implement G_LEVEL_ORDER correctly.
* tests/node-test.c: Add a testcase for G_LEVEL_ORDER implementation.
* glib/gtree.h: Mark g_tree_traverse() as deprecated. (#65343)
* glib/gtree.c (g_tree_traverse): Explain the deprecation in

4
ChangeLog.pre-2-4
View File

@ -1,5 +1,9 @@
2001-11-26 Matthias Clasen <matthiasc@poet.de>
* glib/gnode.c (g_node_traverse): Implement G_LEVEL_ORDER correctly.
* tests/node-test.c: Add a testcase for G_LEVEL_ORDER implementation.
* glib/gtree.h: Mark g_tree_traverse() as deprecated. (#65343)
* glib/gtree.c (g_tree_traverse): Explain the deprecation in

4
ChangeLog.pre-2-6
View File

@ -1,5 +1,9 @@
2001-11-26 Matthias Clasen <matthiasc@poet.de>
* glib/gnode.c (g_node_traverse): Implement G_LEVEL_ORDER correctly.
* tests/node-test.c: Add a testcase for G_LEVEL_ORDER implementation.
* glib/gtree.h: Mark g_tree_traverse() as deprecated. (#65343)
* glib/gtree.c (g_tree_traverse): Explain the deprecation in

4
ChangeLog.pre-2-8
View File

@ -1,5 +1,9 @@
2001-11-26 Matthias Clasen <matthiasc@poet.de>
* glib/gnode.c (g_node_traverse): Implement G_LEVEL_ORDER correctly.
* tests/node-test.c: Add a testcase for G_LEVEL_ORDER implementation.
* glib/gtree.h: Mark g_tree_traverse() as deprecated. (#65343)
* glib/gtree.c (g_tree_traverse): Explain the deprecation in

4
docs/reference/ChangeLog
View File

@ -1,3 +1,7 @@
2001-11-26 Matthias Clasen <matthiasc@poet.de>
* glib/tmpl/trees-nary.sgml: Document G_LEVEL_ORDER better.
2001-11-22 Matthias Clasen <matthiasc@poet.de>
Fixes for #61284:

17
docs/reference/glib/tmpl/trees-nary.sgml
View File

@ -222,22 +222,11 @@ and its children are visited. And so on.
<para>
Specifies which nodes are visited during several of the tree functions,
including g_node_traverse() and g_node_find().
<itemizedlist>
<listitem><para>
%G_TRAVERSE_LEAFS specifies that only leaf nodes should be visited.
</para></listitem>
<listitem><para>
%G_TRAVERSE_NON_LEAFS specifies that only non-leaf nodes should be visited.
</para></listitem>
<listitem><para>
%G_TRAVERSE_ALL specifies that all nodes should be visited.
</para></listitem>
</itemizedlist>
</para>
@G_TRAVERSE_LEAFS:
@G_TRAVERSE_NON_LEAFS:
@G_TRAVERSE_ALL:
@G_TRAVERSE_LEAFS: only leaf nodes should be visited.
@G_TRAVERSE_NON_LEAFS: only non-leaf nodes should be visited.
@G_TRAVERSE_ALL: all nodes should be visited.
@G_TRAVERSE_MASK:
<!-- ##### USER_FUNCTION GNodeTraverseFunc ##### -->

126
glib/gnode.c
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@ -671,97 +671,61 @@ g_node_depth_traverse_in_order (GNode *node,
}
static gboolean
g_node_traverse_children (GNode *node,
GTraverseFlags flags,
GNodeTraverseFunc func,
gpointer data)
g_node_traverse_level (GNode *node,
GTraverseFlags flags,
guint level,
GNodeTraverseFunc func,
gpointer data,
gboolean *more_levels)
{
GNode *child;
child = node->children;
while (child)
if (level == 0)
{
register GNode *current;
current = child;
child = current->next;
if (current->children)
if (node->children)
{
if ((flags & G_TRAVERSE_NON_LEAFS) &&
func (current, data))
return TRUE;
*more_levels = TRUE;
return (flags & G_TRAVERSE_NON_LEAFS) && func (node, data);
}
else
{
return (flags & G_TRAVERSE_LEAFS) && func (node, data);
}
else if ((flags & G_TRAVERSE_LEAFS) &&
func (current, data))
return TRUE;
}
child = node->children;
while (child)
else
{
register GNode *current;
node = node->children;
current = child;
child = current->next;
while (node)
{
if (g_node_traverse_level (node, flags, level - 1, func, data, more_levels))
return TRUE;
if (current->children &&
g_node_traverse_children (current, flags, func, data))
return TRUE;
node = node->next;
}
}
return FALSE;
}
static gboolean
g_node_depth_traverse_children (GNode *node,
GTraverseFlags flags,
guint depth,
GNodeTraverseFunc func,
gpointer data)
g_node_depth_traverse_level (GNode *node,
GTraverseFlags flags,
guint depth,
GNodeTraverseFunc func,
gpointer data)
{
GNode *child;
gint level;
gboolean more_levels;
child = node->children;
while (child)
level = 0;
while (level != depth)
{
register GNode *current;
current = child;
child = current->next;
if (current->children)
{
if ((flags & G_TRAVERSE_NON_LEAFS) &&
func (current, data))
return TRUE;
}
else if ((flags & G_TRAVERSE_LEAFS) &&
func (current, data))
more_levels = FALSE;
if (g_node_traverse_level (node, flags, level, func, data, &more_levels))
return TRUE;
if (!more_levels)
break;
level++;
}
depth--;
if (!depth)
return FALSE;
child = node->children;
while (child)
{
register GNode *current;
current = child;
child = current->next;
if (current->children &&
g_node_depth_traverse_children (current, flags, depth, func, data))
return TRUE;
}
return FALSE;
}
@ -800,23 +764,7 @@ g_node_traverse (GNode *root,
g_node_depth_traverse_in_order (root, flags, depth, func, data);
break;
case G_LEVEL_ORDER:
if (root->children)
{
if (!((flags & G_TRAVERSE_NON_LEAFS) &&
func (root, data)))
{
if (depth < 0)
g_node_traverse_children (root, flags, func, data);
else
{
depth--;
if (depth)
g_node_depth_traverse_children (root, flags, depth, func, data);
}
}
}
else if (flags & G_TRAVERSE_LEAFS)
func (root, data);
g_node_depth_traverse_level (root, flags, depth, func, data);
break;
}
}

11
tests/node-test.c
View File

@ -88,6 +88,7 @@ g_node_test (void)
GNode *root;
GNode *node;
GNode *node_B;
GNode *node_D;
GNode *node_F;
GNode *node_G;
GNode *node_J;
@ -105,7 +106,8 @@ g_node_test (void)
g_node_append_data (node_B, C2P ('E'));
g_node_prepend_data (node_B, C2P ('C'));
g_node_insert (node_B, 1, g_node_new (C2P ('D')));
node_D = g_node_new (C2P ('D'));
g_node_insert (node_B, 1, node_D);
node_F = g_node_new (C2P ('F'));
g_node_append (root, node_F);
@ -180,6 +182,13 @@ g_node_test (void)
TEST (tstring, strcmp (tstring, "ABFEDCGKJIH") == 0);
g_free (tstring); tstring = NULL;
g_node_append (node_D, g_node_new (C2P ('L')));
g_node_append (node_D, g_node_new (C2P ('M')));
g_node_traverse (root, G_LEVEL_ORDER, G_TRAVERSE_ALL, -1, node_build_string, &tstring);
TEST (tstring, strcmp (tstring, "ABFEDCGLMKJIH") == 0);
g_free (tstring); tstring = NULL;
g_node_destroy (root);
/* allocation tests */