From 65263651e3c8036a631270976a773f3d4497f474 Mon Sep 17 00:00:00 2001
From: James Bursa <james@netsurf-browser.org>
Date: Thu, 9 Oct 2003 15:22:48 +0000
Subject: [project @ 2003-10-09 15:22:48 by bursa] Implement
 box_insert_sibling().

svn path=/import/netsurf/; revision=358
---
 render/box.c | 23 ++++++++++++++++++++---
 render/box.h |  2 ++
 2 files changed, 22 insertions(+), 3 deletions(-)

diff --git a/render/box.c b/render/box.c
index 9a9eb2def..77fc99f00 100644
--- a/render/box.c
+++ b/render/box.c
@@ -44,7 +44,6 @@ struct result {
 	int convert_children;  /* children should be converted */
 };
 
-static void box_add_child(struct box * parent, struct box * child);
 static struct box * convert_xml_to_box(xmlNode * n, struct content *content,
 		struct css_style * parent_style,
 		struct css_selector ** selector, unsigned int depth,
@@ -119,7 +118,7 @@ static const struct element_entry element_table[] = {
 
 
 /**
- * add a child to a box tree node
+ * Add a child to a box tree node.
  */
 
 void box_add_child(struct box * parent, struct box * child)
@@ -136,8 +135,9 @@ void box_add_child(struct box * parent, struct box * child)
 	child->parent = parent;
 }
 
+
 /**
- * create a box tree node
+ * Create a box tree node.
  */
 
 struct box * box_create(struct css_style * style,
@@ -178,6 +178,23 @@ struct box * box_create(struct css_style * style,
 }
 
 
+/**
+ * Insert a new box as a sibling to a box in a tree.
+ */
+
+void box_insert_sibling(struct box *box, struct box *new_box)
+{
+	new_box->parent = box->parent;
+	new_box->prev = box;
+	new_box->next = box->next;
+	box->next = new_box;
+	if (new_box->next)
+		new_box->next->prev = new_box;
+	else if (new_box->parent)
+		new_box->parent->last = new_box;
+}
+
+
 /**
  * make a box tree with style data from an xml tree
  */
diff --git a/render/box.h b/render/box.h
index 2a3b15633..76c9500c9 100644
--- a/render/box.h
+++ b/render/box.h
@@ -177,6 +177,8 @@ void xml_to_box(xmlNode *n, struct content *c);
 void box_dump(struct box * box, unsigned int depth);
 struct box * box_create(struct css_style * style,
 		char *href, char *title);
+void box_add_child(struct box * parent, struct box * child);
+void box_insert_sibling(struct box *box, struct box *new_box);
 void box_free(struct box *box);
 void box_coords(struct box *box, unsigned long *x, unsigned long *y);
 
-- 
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