void read_xml_node( pugi::xml_node node, Ptree &pt, int flags)
{
typedef typename Ptree::key_type::value_type Ch;
switch ( node.type() )
{
case pugi::node_element:
{
Ptree &tmp = pt.push_back(std::make_pair( node.name(), Ptree()))->second;
for ( pugi::xml_attribute attr = node.first_attribute(); attr; attr = attr.next_attribute() )
tmp.put( xmlattr<Ch>() + "." + attr.name(), attr.value());
for ( pugi::xml_node child = node.first_child(); child; child = child.next_sibling())
read_xml_node(child, tmp, flags);
}
break;
case pugi::node_pcdata:
{
if (flags & no_concat_text)
pt.push_back(std::make_pair(xmltext<Ch>(), Ptree( node.value() )));
else
pt.data() += node.value();
}
break;
case pugi::node_comment:
{
if (!(flags & no_comments))
pt.push_back(std::make_pair(xmlcomment<Ch>(), Ptree( node.value() )));
}
break;
default:
// skip other types
break;
}
}
Ptree& new_tree() {
if (stack.empty()) {
layer l = {leaf, &root};
stack.push_back(l);
return root;
}
layer& l = stack.back();
switch (l.k) {
case array: {
l.t->push_back(std::make_pair(string(), Ptree()));
layer nl = {leaf, &l.t->back().second};
stack.push_back(nl);
return *stack.back().t;
}
case object:
assert(false); // must start with string, i.e. call new_value
case key: {
l.t->push_back(std::make_pair(key_buffer, Ptree()));
l.k = object;
layer nl = {leaf, &l.t->back().second};
stack.push_back(nl);
return *stack.back().t;
}
case leaf:
stack.pop_back();
return new_tree();
}
assert(false);
}
void read_cmdline(int argc,
typename Ptree::char_type *argv[],
const std::basic_string<typename Ptree::char_type> &metachars,
Ptree &pt)
{
typedef typename Ptree::char_type Ch;
typedef std::basic_string<Ch> Str;
Ptree local;
// For all arguments
for (int i = 0; i < argc; ++i)
{
Str text = detail::trim<Ch>(argv[i]);
if (!text.empty())
if (metachars.find(text[0]) != Str::npos)
{
if (text.size() == 1)
{
Ptree &child = local.put(text, Str());
Str key;
if (child.size() < 10)
key.push_back(typename Ptree::char_type('0' + child.size()));
child.push_back(std::make_pair(key, Ptree(child.data())));
}
else if (text.size() == 2)
{
Ptree &child = local.put(text.substr(1, 1), Str());
Str key;
if (child.size() < 10)
key.push_back(typename Ptree::char_type('0' + child.size()));
child.push_back(std::make_pair(key, Ptree(child.data())));
}
else
{
Ptree &child = local.put(text.substr(1, 1), detail::trim<Ch>(text.substr(2, Str::npos)));
Str key;
if (child.size() < 10)
key.push_back(typename Ptree::char_type('0' + child.size()));
child.push_back(std::make_pair(key, Ptree(child.data())));
}
}
else
{
Ptree &child = local.put(Str(), detail::trim<Ch>(text));
Str key;
if (child.size() < 10)
key.push_back(typename Ptree::char_type('0' + child.size()));
child.push_back(std::make_pair(key, Ptree(child.data())));
}
}
// Swap local and pt
pt.swap(local);
}
void operator()(It, It) const
{
BOOST_ASSERT(c.stack.size() >= 1);
c.stack.back()->push_back(std::make_pair(c.name, Ptree(c.string)));
c.name.clear();
c.string.clear();
}
void operator()(Ch) const
{
if (c.stack.empty())
c.stack.push_back(&c.root);
else
{
Ptree *parent = c.stack.back();
Ptree *child = &parent->push_back(std::make_pair(c.name, Ptree()))->second;
c.stack.push_back(child);
c.name.clear();
}
}
Ptree &ptree_get(Ptree &ptree, const typename Ptree::path_type &path,
const Ptree &value = Ptree()) {
return ptree.put_child(path, ptree.get_child(path, value));
}