void XMLResourceDocument::destroy_resource(const std::string &resource_id)
{
std::map<std::string, XMLResourceNode>::iterator it;
it = impl->resources.find(resource_id);
if (it == impl->resources.end())
return;
DomNode cur = it->second.get_element();
impl->resources.erase(it);
DomNode parent = cur.get_parent_node();
while (!parent.is_null())
{
parent.remove_child(cur);
if (parent.has_child_nodes())
break;
cur = parent;
parent = parent.get_parent_node();
}
}
std::vector<DomNode> DomDocument::load(
IODevice &input,
bool eat_whitespace,
DomNode insert_point)
{
clear_all();
XMLTokenizer tokenizer(input);
tokenizer.set_eat_whitespace(eat_whitespace);
if (insert_point.is_element() == false)
insert_point = *this;
std::vector<DomNode> node_stack;
node_stack.push_back(insert_point);
std::vector<DomNode> result;
try
{
XMLToken cur_token;
tokenizer.next(&cur_token);
while (cur_token.type != XMLToken::NULL_TOKEN)
{
switch (cur_token.type)
{
case XMLToken::TEXT_TOKEN:
node_stack.back().append_child(create_text_node(cur_token.value));
if (node_stack.back() == insert_point)
result.push_back(node_stack.back().get_last_child());
break;
case XMLToken::CDATA_SECTION_TOKEN:
node_stack.back().append_child(create_cdata_section(cur_token.value));
if (node_stack.back() == insert_point)
result.push_back(node_stack.back().get_last_child());
break;
case XMLToken::ELEMENT_TOKEN:
if (cur_token.variant != XMLToken::END)
{
DomString namespace_uri = DomDocument_Impl::find_namespace_uri(cur_token.name, cur_token, node_stack.back());
DomElement element = create_element_ns(namespace_uri, cur_token.name);
node_stack.back().append_child(element);
if (node_stack.back() == insert_point)
result.push_back(node_stack.back().get_last_child());
int size = (int)cur_token.attributes.size();
for (int i = 0; i < size; i++)
{
XMLToken::Attribute &attribute = cur_token.attributes[i];
DomString attribute_namespace_uri = DomDocument_Impl::find_namespace_uri(attribute.first, cur_token, node_stack.back());
element.set_attribute_ns(
attribute_namespace_uri,
attribute.first,
attribute.second);
}
if (cur_token.variant == XMLToken::BEGIN)
node_stack.push_back(element);
}
else
{
node_stack.pop_back();
if (node_stack.empty()) throw Exception("Malformed XML tree!");
}
break;
case XMLToken::NULL_TOKEN:
break;
case XMLToken::ENTITY_REFERENCE_TOKEN:
break;
case XMLToken::ENTITY_TOKEN:
break;
case XMLToken::COMMENT_TOKEN:
node_stack.back().append_child(create_comment(cur_token.value));
if (node_stack.back() == insert_point)
result.push_back(node_stack.back().get_last_child());
break;
case XMLToken::DOCUMENT_TYPE_TOKEN:
break;
case XMLToken::NOTATION_TOKEN:
break;
case XMLToken::PROCESSING_INSTRUCTION_TOKEN:
node_stack.back().append_child(create_processing_instruction(cur_token.name, cur_token.value));
if (node_stack.back() == insert_point)
result.push_back(node_stack.back().get_last_child());
break;
}
tokenizer.next(&cur_token);
}
}
catch (const Exception& e)
{
for (auto & elem : result)
{
insert_point.remove_child(elem);
}
throw;
}
return result;
}
