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A shallow xml_node cloning was added.

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This commit is contained in:
andrei.aliashkevich 2017-08-23 23:12:26 +03:00
parent 4f2ad720c8
commit 1e43c26d7f
2 changed files with 39 additions and 37 deletions
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68
src/pugixml.cpp
View File

@ -4403,48 +4403,50 @@ PUGI__NS_BEGIN
}
}
PUGI__FN void node_copy_tree(xml_node_struct* dn, xml_node_struct* sn)
PUGI__FN void node_copy_tree(xml_node_struct* dn, xml_node_struct* sn, bool deep = true)
{
xml_allocator& alloc = get_allocator(dn);
xml_allocator* shared_alloc = (&alloc == &get_allocator(sn)) ? &alloc : 0;
node_copy_contents(dn, sn, shared_alloc);
xml_node_struct* dit = dn;
xml_node_struct* sit = sn->first_child;
while (sit && sit != sn)
if (deep)
{
if (sit != dn)
xml_node_struct* dit = dn;
xml_node_struct* sit = sn->first_child;
while (sit && sit != sn)
{
xml_node_struct* copy = append_new_node(dit, alloc, PUGI__NODETYPE(sit));
if (copy)
if (sit != dn)
{
node_copy_contents(copy, sit, shared_alloc);
xml_node_struct* copy = append_new_node(dit, alloc, PUGI__NODETYPE(sit));
if (sit->first_child)
if (copy)
{
dit = copy;
sit = sit->first_child;
continue;
node_copy_contents(copy, sit, shared_alloc);
if (sit->first_child)
{
dit = copy;
sit = sit->first_child;
continue;
}
}
}
}
// continue to the next node
do
{
if (sit->next_sibling)
// continue to the next node
do
{
sit = sit->next_sibling;
break;
}
if (sit->next_sibling)
{
sit = sit->next_sibling;
break;
}
sit = sit->parent;
dit = dit->parent;
sit = sit->parent;
dit = dit->parent;
} while (sit != sn);
}
while (sit != sn);
}
}
@ -5880,7 +5882,7 @@ namespace pugi
return result;
}
PUGI__FN xml_node xml_node::append_copy(const xml_node& proto)
PUGI__FN xml_node xml_node::append_copy(const xml_node& proto, bool deep)
{
xml_node_type type_ = proto.type();
if (!impl::allow_insert_child(type(), type_)) return xml_node();
@ -5892,12 +5894,12 @@ namespace pugi
if (!n) return xml_node();
impl::append_node(n._root, _root);
impl::node_copy_tree(n._root, proto._root);
impl::node_copy_tree(n._root, proto._root, deep);
return n;
}
PUGI__FN xml_node xml_node::prepend_copy(const xml_node& proto)
PUGI__FN xml_node xml_node::prepend_copy(const xml_node& proto, bool deep)
{
xml_node_type type_ = proto.type();
if (!impl::allow_insert_child(type(), type_)) return xml_node();
@ -5909,12 +5911,12 @@ namespace pugi
if (!n) return xml_node();
impl::prepend_node(n._root, _root);
impl::node_copy_tree(n._root, proto._root);
impl::node_copy_tree(n._root, proto._root, deep);
return n;
}
PUGI__FN xml_node xml_node::insert_copy_after(const xml_node& proto, const xml_node& node)
PUGI__FN xml_node xml_node::insert_copy_after(const xml_node& proto, const xml_node& node, bool deep)
{
xml_node_type type_ = proto.type();
if (!impl::allow_insert_child(type(), type_)) return xml_node();
@ -5927,12 +5929,12 @@ namespace pugi
if (!n) return xml_node();
impl::insert_node_after(n._root, node._root);
impl::node_copy_tree(n._root, proto._root);
impl::node_copy_tree(n._root, proto._root, deep);
return n;
}
PUGI__FN xml_node xml_node::insert_copy_before(const xml_node& proto, const xml_node& node)
PUGI__FN xml_node xml_node::insert_copy_before(const xml_node& proto, const xml_node& node, bool deep)
{
xml_node_type type_ = proto.type();
if (!impl::allow_insert_child(type(), type_)) return xml_node();
@ -5945,7 +5947,7 @@ namespace pugi
if (!n) return xml_node();
impl::insert_node_before(n._root, node._root);
impl::node_copy_tree(n._root, proto._root);
impl::node_copy_tree(n._root, proto._root, deep);
return n;
}

8
src/pugixml.hpp
View File

@ -534,10 +534,10 @@ namespace pugi
xml_node insert_child_before(const char_t* name, const xml_node& node);
// Add a copy of the specified node as a child. Returns added node, or empty node on errors.
xml_node append_copy(const xml_node& proto);
xml_node prepend_copy(const xml_node& proto);
xml_node insert_copy_after(const xml_node& proto, const xml_node& node);
xml_node insert_copy_before(const xml_node& proto, const xml_node& node);
xml_node append_copy(const xml_node& proto, bool deep = true);
xml_node prepend_copy(const xml_node& proto, bool deep = true);
xml_node insert_copy_after(const xml_node& proto, const xml_node& node, bool deep = true);
xml_node insert_copy_before(const xml_node& proto, const xml_node& node, bool deep = true);
// Move the specified node to become a child of this node. Returns moved node, or empty node on errors.
xml_node append_move(const xml_node& moved);