diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/pugixml.cpp | 54 | 
1 files changed, 43 insertions, 11 deletions
diff --git a/src/pugixml.cpp b/src/pugixml.cpp index 64b1e34..6184f92 100644 --- a/src/pugixml.cpp +++ b/src/pugixml.cpp @@ -2902,6 +2902,28 @@ namespace  		}
  	}
 +	inline bool has_declaration(const xml_node& node)
 +	{
 +		for (xml_node child = node.first_child(); child; child = child.next_sibling())
 +		{
 +			xml_node_type type = child.type();
 +
 +			if (type == node_declaration) return true;
 +			if (type == node_element) return false;
 +		}
 +
 +		return false;
 +	}
 +
 +	inline bool allow_insert_child(xml_node_type parent, xml_node_type child)
 +	{
 +		if (parent != node_document && parent != node_element) return false;
 +		if (child == node_document || child == node_null) return false;
 +		if (parent != node_document && child == node_declaration) return false;
 +
 +		return true;
 +	}
 +
  	void recursive_copy_skip(xml_node& dest, const xml_node& source, const xml_node& skip)
  	{
  		assert(dest.type() == source.type());
 @@ -3491,9 +3513,11 @@ namespace pugi  	xml_node xml_node::root() const
  	{
 -		xml_node r = *this;
 -		while (r && r.parent()) r = r.parent();
 -		return r;
 +		xml_node_struct* r = _root;
 +
 +		while (r && r->parent) r = r->parent;
 +
 +		return xml_node(r);
  	}
  	const char_t* xml_node::child_value() const
 @@ -3673,15 +3697,19 @@ namespace pugi  	xml_node xml_node::append_child(xml_node_type type)
  	{
 -		if ((this->type() != node_element && this->type() != node_document) || type == node_document || type == node_null) return xml_node();
 +		if (!allow_insert_child(this->type(), type)) return xml_node();
 -		return xml_node(append_node(_root, get_allocator(_root), type));
 +		xml_node n(append_node(_root, get_allocator(_root), type));
 +
 +		if (type == node_declaration) n.set_name(PUGIXML_TEXT("xml"));
 +
 +		return n;
  	}
  	xml_node xml_node::insert_child_before(xml_node_type type, const xml_node& node)
  	{
 -		if ((this->type() != node_element && this->type() != node_document) || type == node_document || type == node_null) return xml_node();
 -		if (node.parent() != *this) return xml_node();
 +		if (!allow_insert_child(this->type(), type)) return xml_node();
 +		if (!node._root || node._root->parent != _root) return xml_node();
  		xml_node n(allocate_node(get_allocator(_root), type));
  		n._root->parent = _root;
 @@ -3695,13 +3723,15 @@ namespace pugi  		n._root->next_sibling = node._root;
  		node._root->prev_sibling_c = n._root;
 +		if (type == node_declaration) n.set_name(PUGIXML_TEXT("xml"));
 +
  		return n;
  	}
  	xml_node xml_node::insert_child_after(xml_node_type type, const xml_node& node)
  	{
 -		if ((this->type() != node_element && this->type() != node_document) || type == node_document || type == node_null) return xml_node();
 -		if (node.parent() != *this) return xml_node();
 +		if (!allow_insert_child(this->type(), type)) return xml_node();
 +		if (!node._root || node._root->parent != _root) return xml_node();
  		xml_node n(allocate_node(get_allocator(_root), type));
  		n._root->parent = _root;
 @@ -3715,6 +3745,8 @@ namespace pugi  		n._root->prev_sibling_c = node._root;
  		node._root->next_sibling = n._root;
 +		if (type == node_declaration) n.set_name(PUGIXML_TEXT("xml"));
 +
  		return n;
  	}
 @@ -3777,7 +3809,7 @@ namespace pugi  	void xml_node::remove_child(const xml_node& n)
  	{
 -		if (!_root || n.parent() != *this) return;
 +		if (!_root || !n._root || n._root->parent != _root) return;
  		if (n._root->next_sibling) n._root->next_sibling->prev_sibling_c = n._root->prev_sibling_c;
  		else if (_root->first_child) _root->first_child->prev_sibling_c = n._root->prev_sibling_c;
 @@ -4385,7 +4417,7 @@ namespace pugi  		xml_buffered_writer buffered_writer(writer, encoding);
 -		if (!(flags & format_no_declaration))
 +		if (!(flags & format_no_declaration) && !has_declaration(*this))
  		{
  			buffered_writer.write(PUGIXML_TEXT("<?xml version=\"1.0\"?>"));
  			if (!(flags & format_raw)) buffered_writer.write('\n');
  | 
