CL_String CL_DomNode::select_string(const CL_DomString &xpath_expression) const
{
CL_DomNode node = select_node(xpath_expression);
if (node.is_element())
return node.to_element().get_text();
else
return node.get_node_value();
}
CL_String CL_DomElement::get_text() const
{
CL_String str;
if (has_child_nodes() == false)
return str;
CL_DomNode cur = get_first_child();
while (!cur.is_null())
{
if (cur.is_text() || cur.is_cdata_section())
str.append(cur.get_node_value());
if (cur.is_element())
str.append(cur.to_element().get_text());
cur = cur.get_next_sibling();
}
return str;
}
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;
}
CL_DomNode CL_DomDocument::import_node(const CL_DomNode &node, bool deep)
{
CL_DomNode imported_node;
switch (node.get_node_type())
{
case NULL_NODE:
return imported_node;
case ELEMENT_NODE:
imported_node = create_element_ns(node.get_namespace_uri(), node.get_node_name());
break;
case ATTRIBUTE_NODE:
imported_node = create_attribute_ns(node.get_namespace_uri(), node.get_node_name());
imported_node.set_node_value(node.get_node_value());
break;
case TEXT_NODE:
imported_node = create_text_node(node.get_node_value());
break;
case CDATA_SECTION_NODE:
imported_node = create_cdata_section(node.get_node_value());
break;
case ENTITY_REFERENCE_NODE:
imported_node = create_entity_reference(node.get_node_name());
break;
case ENTITY_NODE:
return imported_node;
case PROCESSING_INSTRUCTION_NODE:
imported_node = create_processing_instruction(node.to_processing_instruction().get_target(), node.to_processing_instruction().get_data());
break;
case COMMENT_NODE:
imported_node = create_comment(node.get_node_value());
break;
case DOCUMENT_NODE:
imported_node = create_document_fragment();
break;
case DOCUMENT_TYPE_NODE:
return imported_node;
case DOCUMENT_FRAGMENT_NODE:
imported_node = create_document_fragment();
break;
case NOTATION_NODE:
return imported_node;
}
if (node.is_element())
{
CL_DomElement import_element = imported_node.to_element();
CL_DomNamedNodeMap node_attributes = node.get_attributes();
int size = node_attributes.get_length();
for (int index = 0; index < size; index++)
{
CL_DomNode attr = node_attributes.item(index);
import_element.set_attribute_node_ns(import_node(attr, deep).to_attr());
}
}
if (deep)
{
CL_DomNode cur = node.get_first_child();
while (!cur.is_null())
{
imported_node.append_child(import_node(cur, true));
cur = cur.get_next_sibling();
}
}
return imported_node;
}
