CL_DomString CL_DomNode::find_prefix(const CL_DomString &namespace_uri) const
{
CL_DomElement cur = to_element();
while (!cur.is_null())
{
CL_DomNamedNodeMap attributes = cur.get_attributes();
int size = attributes.get_length();
for (int index = 0; index < size; index++)
{
CL_DomNode attribute = attributes.item(index);
if (attribute.get_prefix() == "xmlns" &&
attribute.get_node_value() == namespace_uri)
{
return attribute.get_local_name();
}
}
cur = cur.get_parent_node().to_element();
}
return CL_DomString();
}
//рекурсивное клонирование XML-элемента
CL_DomElement cloneElement(CL_DomElement &element, CL_DomDocument &doc)
{
//создаем элемент-клон
CL_DomElement clone(doc, element.get_tag_name());
//копируем атрибуты
CL_DomNamedNodeMap attributes = element.get_attributes();
unsigned long length = attributes.get_length();
for (unsigned long i = 0; i < length; ++i)
{
CL_DomNode attr = attributes.item(i);
clone.set_attribute(attr.get_node_name(), attr.get_node_value());
}
//рекурсивно копируем дочерние элементы
for (CL_DomElement child = element.get_first_child_element(); !child.is_null(); child = child.get_next_sibling_element())
clone.append_child(cloneElement(child, doc));
//возвращаем клонированный элемент
return clone;
}
void CL_DomDocument::save(CL_IODevice &output, bool insert_whitespace)
{
CL_XMLWriter writer(output);
writer.set_insert_whitespace(insert_whitespace);
std::vector<CL_DomNode> node_stack;
CL_DomNode cur_node = get_first_child();
while (!cur_node.is_null())
{
// Create opening node:
CL_XMLToken opening_node;
opening_node.type = (CL_XMLToken::TokenType) cur_node.get_node_type();
opening_node.variant = cur_node.has_child_nodes() ? CL_XMLToken::BEGIN : CL_XMLToken::SINGLE;
opening_node.name = cur_node.get_node_name();
opening_node.value = cur_node.get_node_value();
if (cur_node.is_element())
{
CL_DomNamedNodeMap attributes = cur_node.get_attributes();
int length = attributes.get_length();
for (int i = 0; i < length; ++i)
{
CL_DomAttr attribute = attributes.item(i).to_attr();
opening_node.attributes.push_back(
CL_XMLToken::Attribute(
attribute.get_name(),
attribute.get_value()));
}
}
writer.write(opening_node);
// Create any possible child nodes:
if (cur_node.has_child_nodes())
{
node_stack.push_back(cur_node);
cur_node = cur_node.get_first_child();
continue;
}
// Create closing nodes until we reach next opening node in tree:
while (true)
{
if (cur_node.has_child_nodes())
{
CL_XMLToken closing_node;
closing_node.type = (CL_XMLToken::TokenType) cur_node.get_node_type();
closing_node.name = cur_node.get_node_name();
closing_node.variant = CL_XMLToken::END;
writer.write(closing_node);
}
cur_node = cur_node.get_next_sibling();
if (!cur_node.is_null())
break;
if (node_stack.empty())
break;
cur_node = node_stack.back();
node_stack.pop_back();
}
}
}