pugixml.cpp

		return (_root >= r._root);
	}

	PUGI__FN bool xml_node::empty() const
	{
		return !_root;
	}
	
	PUGI__FN const char_t* xml_node::name() const
	{
		return (_root && _root->name) ? _root->name : PUGIXML_TEXT("");
	}

	PUGI__FN xml_node_type xml_node::type() const
	{
		return _root ? static_cast<xml_node_type>((_root->header & impl::xml_memory_page_type_mask) + 1) : node_null;
	}
	
	PUGI__FN const char_t* xml_node::value() const
	{
		return (_root && _root->value) ? _root->value : PUGIXML_TEXT("");
	}
	
	PUGI__FN xml_node xml_node::child(const char_t* name_) const
	{
		if (!_root) return xml_node();

		for (xml_node_struct* i = _root->first_child; i; i = i->next_sibling)
			if (i->name && impl::strequal(name_, i->name)) return xml_node(i);

		return xml_node();
	}

	PUGI__FN xml_attribute xml_node::attribute(const char_t* name_) const
	{
		if (!_root) return xml_attribute();

		for (xml_attribute_struct* i = _root->first_attribute; i; i = i->next_attribute)
			if (i->name && impl::strequal(name_, i->name))
				return xml_attribute(i);
		
		return xml_attribute();
	}
	
	PUGI__FN xml_node xml_node::next_sibling(const char_t* name_) const
	{
		if (!_root) return xml_node();
		
		for (xml_node_struct* i = _root->next_sibling; i; i = i->next_sibling)
			if (i->name && impl::strequal(name_, i->name)) return xml_node(i);

		return xml_node();
	}

	PUGI__FN xml_node xml_node::next_sibling() const
	{
		if (!_root) return xml_node();
		
		if (_root->next_sibling) return xml_node(_root->next_sibling);
		else return xml_node();
	}

	PUGI__FN xml_node xml_node::previous_sibling(const char_t* name_) const
	{
		if (!_root) return xml_node();
		
		for (xml_node_struct* i = _root->prev_sibling_c; i->next_sibling; i = i->prev_sibling_c)
			if (i->name && impl::strequal(name_, i->name)) return xml_node(i);

		return xml_node();
	}

	PUGI__FN xml_node xml_node::previous_sibling() const
	{
		if (!_root) return xml_node();
		
		if (_root->prev_sibling_c->next_sibling) return xml_node(_root->prev_sibling_c);
		else return xml_node();
	}

	PUGI__FN xml_node xml_node::parent() const
	{
		return _root ? xml_node(_root->parent) : xml_node();
	}

	PUGI__FN xml_node xml_node::root() const
	{
		if (!_root) return xml_node();

		impl::xml_memory_page* page = reinterpret_cast<impl::xml_memory_page*>(_root->header & impl::xml_memory_page_pointer_mask);

		return xml_node(static_cast<impl::xml_document_struct*>(page->allocator));
	}

	PUGI__FN xml_text xml_node::text() const
	{
		return xml_text(_root);
	}

	PUGI__FN const char_t* xml_node::child_value() const
	{
		if (!_root) return PUGIXML_TEXT("");
		
		for (xml_node_struct* i = _root->first_child; i; i = i->next_sibling)
			if (i->value && impl::is_text_node(i))
				return i->value;

		return PUGIXML_TEXT("");
	}

	PUGI__FN const char_t* xml_node::child_value(const char_t* name_) const
	{
		return child(name_).child_value();
	}

	PUGI__FN xml_attribute xml_node::first_attribute() const
	{
		return _root ? xml_attribute(_root->first_attribute) : xml_attribute();
	}

	PUGI__FN xml_attribute xml_node::last_attribute() const
	{
		return _root && _root->first_attribute ? xml_attribute(_root->first_attribute->prev_attribute_c) : xml_attribute();
	}

	PUGI__FN xml_node xml_node::first_child() const
	{
		return _root ? xml_node(_root->first_child) : xml_node();
	}

	PUGI__FN xml_node xml_node::last_child() const
	{
		return _root && _root->first_child ? xml_node(_root->first_child->prev_sibling_c) : xml_node();
	}

	PUGI__FN bool xml_node::set_name(const char_t* rhs)
	{
		switch (type())
		{
		case node_pi:
		case node_declaration:
		case node_element:
			return impl::strcpy_insitu(_root->name, _root->header, impl::xml_memory_page_name_allocated_mask, rhs);

		default:
			return false;
		}
	}
		
	PUGI__FN bool xml_node::set_value(const char_t* rhs)
	{
		switch (type())
		{
		case node_pi:
		case node_cdata:
		case node_pcdata:
		case node_comment:
		case node_doctype:
			return impl::strcpy_insitu(_root->value, _root->header, impl::xml_memory_page_value_allocated_mask, rhs);

		default:
			return false;
		}
	}

	PUGI__FN xml_attribute xml_node::append_attribute(const char_t* name_)
	{
		if (type() != node_element && type() != node_declaration) return xml_attribute();
		
		xml_attribute a(impl::append_attribute_ll(_root, impl::get_allocator(_root)));
		a.set_name(name_);
		
		return a;
	}

	PUGI__FN xml_attribute xml_node::prepend_attribute(const char_t* name_)
	{
		if (type() != node_element && type() != node_declaration) return xml_attribute();
		
		xml_attribute a(impl::allocate_attribute(impl::get_allocator(_root)));
		if (!a) return xml_attribute();

		a.set_name(name_);
		
		xml_attribute_struct* head = _root->first_attribute;

		if (head)
		{
			a._attr->prev_attribute_c = head->prev_attribute_c;
			head->prev_attribute_c = a._attr;
		}
		else
			a._attr->prev_attribute_c = a._attr;
		
		a._attr->next_attribute = head;
		_root->first_attribute = a._attr;
				
		return a;
	}

	PUGI__FN xml_attribute xml_node::insert_attribute_before(const char_t* name_, const xml_attribute& attr)
	{
		if ((type() != node_element && type() != node_declaration) || attr.empty()) return xml_attribute();
		
		// check that attribute belongs to *this
		xml_attribute_struct* cur = attr._attr;

		while (cur->prev_attribute_c->next_attribute) cur = cur->prev_attribute_c;

		if (cur != _root->first_attribute) return xml_attribute();

		xml_attribute a(impl::allocate_attribute(impl::get_allocator(_root)));
		if (!a) return xml_attribute();

		a.set_name(name_);

		if (attr._attr->prev_attribute_c->next_attribute)
			attr._attr->prev_attribute_c->next_attribute = a._attr;
		else
			_root->first_attribute = a._attr;
		
		a._attr->prev_attribute_c = attr._attr->prev_attribute_c;
		a._attr->next_attribute = attr._attr;
		attr._attr->prev_attribute_c = a._attr;
				
		return a;
	}

	PUGI__FN xml_attribute xml_node::insert_attribute_after(const char_t* name_, const xml_attribute& attr)
	{
		if ((type() != node_element && type() != node_declaration) || attr.empty()) return xml_attribute();
		
		// check that attribute belongs to *this
		xml_attribute_struct* cur = attr._attr;

		while (cur->prev_attribute_c->next_attribute) cur = cur->prev_attribute_c;

		if (cur != _root->first_attribute) return xml_attribute();

		xml_attribute a(impl::allocate_attribute(impl::get_allocator(_root)));
		if (!a) return xml_attribute();

		a.set_name(name_);

		if (attr._attr->next_attribute)
			attr._attr->next_attribute->prev_attribute_c = a._attr;
		else
			_root->first_attribute->prev_attribute_c = a._attr;
		
		a._attr->next_attribute = attr._attr->next_attribute;
		a._attr->prev_attribute_c = attr._attr;
		attr._attr->next_attribute = a._attr;

		return a;
	}

	PUGI__FN xml_attribute xml_node::append_copy(const xml_attribute& proto)
	{
		if (!proto) return xml_attribute();

		xml_attribute result = append_attribute(proto.name());
		result.set_value(proto.value());

		return result;
	}

	PUGI__FN xml_attribute xml_node::prepend_copy(const xml_attribute& proto)
	{
		if (!proto) return xml_attribute();

		xml_attribute result = prepend_attribute(proto.name());
		result.set_value(proto.value());

		return result;
	}

	PUGI__FN xml_attribute xml_node::insert_copy_after(const xml_attribute& proto, const xml_attribute& attr)
	{
		if (!proto) return xml_attribute();

		xml_attribute result = insert_attribute_after(proto.name(), attr);
		result.set_value(proto.value());

		return result;
	}

	PUGI__FN xml_attribute xml_node::insert_copy_before(const xml_attribute& proto, const xml_attribute& attr)
	{
		if (!proto) return xml_attribute();

		xml_attribute result = insert_attribute_before(proto.name(), attr);
		result.set_value(proto.value());

		return result;
	}

	PUGI__FN xml_node xml_node::append_child(xml_node_type type_)
	{
		if (!impl::allow_insert_child(this->type(), type_)) return xml_node();
		
		xml_node n(impl::append_node(_root, impl::get_allocator(_root), type_));

		if (type_ == node_declaration) n.set_name(PUGIXML_TEXT("xml"));

		return n;
	}

	PUGI__FN xml_node xml_node::prepend_child(xml_node_type type_)
	{
		if (!impl::allow_insert_child(this->type(), type_)) return xml_node();
		
		xml_node n(impl::allocate_node(impl::get_allocator(_root), type_));
		if (!n) return xml_node();

		n._root->parent = _root;

		xml_node_struct* head = _root->first_child;

		if (head)
		{
			n._root->prev_sibling_c = head->prev_sibling_c;
			head->prev_sibling_c = n._root;
		}
		else
			n._root->prev_sibling_c = n._root;
		
		n._root->next_sibling = head;
		_root->first_child = n._root;
				
		if (type_ == node_declaration) n.set_name(PUGIXML_TEXT("xml"));

		return n;
	}

	PUGI__FN xml_node xml_node::insert_child_before(xml_node_type type_, const xml_node& node)
	{
		if (!impl::allow_insert_child(this->type(), type_)) return xml_node();
		if (!node._root || node._root->parent != _root) return xml_node();
	
		xml_node n(impl::allocate_node(impl::get_allocator(_root), type_));
		if (!n) return xml_node();

		n._root->parent = _root;
		
		if (node._root->prev_sibling_c->next_sibling)
			node._root->prev_sibling_c->next_sibling = n._root;
		else
			_root->first_child = n._root;
		
		n._root->prev_sibling_c = node._root->prev_sibling_c;
		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;
	}

	PUGI__FN xml_node xml_node::insert_child_after(xml_node_type type_, const xml_node& node)
	{
		if (!impl::allow_insert_child(this->type(), type_)) return xml_node();
		if (!node._root || node._root->parent != _root) return xml_node();
	
		xml_node n(impl::allocate_node(impl::get_allocator(_root), type_));
		if (!n) return xml_node();

		n._root->parent = _root;
	
		if (node._root->next_sibling)
			node._root->next_sibling->prev_sibling_c = n._root;
		else
			_root->first_child->prev_sibling_c = n._root;
		
		n._root->next_sibling = node._root->next_sibling;
		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;
	}

	PUGI__FN xml_node xml_node::append_child(const char_t* name_)
	{
		xml_node result = append_child(node_element);

		result.set_name(name_);

		return result;
	}

	PUGI__FN xml_node xml_node::prepend_child(const char_t* name_)
	{
		xml_node result = prepend_child(node_element);

		result.set_name(name_);

		return result;
	}

	PUGI__FN xml_node xml_node::insert_child_after(const char_t* name_, const xml_node& node)
	{
		xml_node result = insert_child_after(node_element, node);

		result.set_name(name_);

		return result;
	}

	PUGI__FN xml_node xml_node::insert_child_before(const char_t* name_, const xml_node& node)
	{
		xml_node result = insert_child_before(node_element, node);

		result.set_name(name_);

		return result;
	}

	PUGI__FN xml_node xml_node::append_copy(const xml_node& proto)
	{
		xml_node result = append_child(proto.type());

		if (result) impl::recursive_copy_skip(result, proto, result);

		return result;
	}

	PUGI__FN xml_node xml_node::prepend_copy(const xml_node& proto)
	{
		xml_node result = prepend_child(proto.type());

		if (result) impl::recursive_copy_skip(result, proto, result);

		return result;
	}

	PUGI__FN xml_node xml_node::insert_copy_after(const xml_node& proto, const xml_node& node)
	{
		xml_node result = insert_child_after(proto.type(), node);

		if (result) impl::recursive_copy_skip(result, proto, result);

		return result;
	}

	PUGI__FN xml_node xml_node::insert_copy_before(const xml_node& proto, const xml_node& node)
	{
		xml_node result = insert_child_before(proto.type(), node);

		if (result) impl::recursive_copy_skip(result, proto, result);

		return result;
	}

	PUGI__FN bool xml_node::remove_attribute(const char_t* name_)
	{
		return remove_attribute(attribute(name_));
	}

	PUGI__FN bool xml_node::remove_attribute(const xml_attribute& a)
	{
		if (!_root || !a._attr) return false;

		// check that attribute belongs to *this
		xml_attribute_struct* attr = a._attr;

		while (attr->prev_attribute_c->next_attribute) attr = attr->prev_attribute_c;

		if (attr != _root->first_attribute) return false;

		if (a._attr->next_attribute) a._attr->next_attribute->prev_attribute_c = a._attr->prev_attribute_c;
		else if (_root->first_attribute) _root->first_attribute->prev_attribute_c = a._attr->prev_attribute_c;
		
		if (a._attr->prev_attribute_c->next_attribute) a._attr->prev_attribute_c->next_attribute = a._attr->next_attribute;
		else _root->first_attribute = a._attr->next_attribute;

		impl::destroy_attribute(a._attr, impl::get_allocator(_root));

		return true;
	}

	PUGI__FN bool xml_node::remove_child(const char_t* name_)
	{
		return remove_child(child(name_));
	}

	PUGI__FN bool xml_node::remove_child(const xml_node& n)
	{
		if (!_root || !n._root || n._root->parent != _root) return false;

		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;
		
		if (n._root->prev_sibling_c->next_sibling) n._root->prev_sibling_c->next_sibling = n._root->next_sibling;
		else _root->first_child = n._root->next_sibling;
		
		impl::destroy_node(n._root, impl::get_allocator(_root));

		return true;
	}

	PUGI__FN xml_node xml_node::find_child_by_attribute(const char_t* name_, const char_t* attr_name, const char_t* attr_value) const
	{
		if (!_root) return xml_node();
		
		for (xml_node_struct* i = _root->first_child; i; i = i->next_sibling)
			if (i->name && impl::strequal(name_, i->name))
			{
				for (xml_attribute_struct* a = i->first_attribute; a; a = a->next_attribute)
					if (impl::strequal(attr_name, a->name) && impl::strequal(attr_value, a->value))
						return xml_node(i);
			}

		return xml_node();
	}

	PUGI__FN xml_node xml_node::find_child_by_attribute(const char_t* attr_name, const char_t* attr_value) const
	{
		if (!_root) return xml_node();
		
		for (xml_node_struct* i = _root->first_child; i; i = i->next_sibling)
			for (xml_attribute_struct* a = i->first_attribute; a; a = a->next_attribute)
				if (impl::strequal(attr_name, a->name) && impl::strequal(attr_value, a->value))
					return xml_node(i);

		return xml_node();
	}

#ifndef PUGIXML_NO_STL
	PUGI__FN string_t xml_node::path(char_t delimiter) const
	{
		xml_node cursor = *this; // Make a copy.
		
		string_t result = cursor.name();

		while (cursor.parent())
		{
			cursor = cursor.parent();
			
			string_t temp = cursor.name();
			temp += delimiter;
			temp += result;
			result.swap(temp);
		}

		return result;
	}
#endif

	PUGI__FN xml_node xml_node::first_element_by_path(const char_t* path_, char_t delimiter) const
	{
		xml_node found = *this; // Current search context.

		if (!_root || !path_ || !path_[0]) return found;

		if (path_[0] == delimiter)
		{
			// Absolute path; e.g. '/foo/bar'
			found = found.root();
			++path_;
		}

		const char_t* path_segment = path_;

		while (*path_segment == delimiter) ++path_segment;

		const char_t* path_segment_end = path_segment;

		while (*path_segment_end && *path_segment_end != delimiter) ++path_segment_end;

		if (path_segment == path_segment_end) return found;

		const char_t* next_segment = path_segment_end;

		while (*next_segment == delimiter) ++next_segment;

		if (*path_segment == '.' && path_segment + 1 == path_segment_end)
			return found.first_element_by_path(next_segment, delimiter);
		else if (*path_segment == '.' && *(path_segment+1) == '.' && path_segment + 2 == path_segment_end)
			return found.parent().first_element_by_path(next_segment, delimiter);
		else
		{
			for (xml_node_struct* j = found._root->first_child; j; j = j->next_sibling)
			{
				if (j->name && impl::strequalrange(j->name, path_segment, static_cast<size_t>(path_segment_end - path_segment)))
				{
					xml_node subsearch = xml_node(j).first_element_by_path(next_segment, delimiter);

					if (subsearch) return subsearch;
				}
			}

			return xml_node();
		}
	}

	PUGI__FN bool xml_node::traverse(xml_tree_walker& walker)
	{
		walker._depth = -1;
		
		xml_node arg_begin = *this;
		if (!walker.begin(arg_begin)) return false;

		xml_node cur = first_child();
				
		if (cur)
		{
			++walker._depth;

			do 
			{
				xml_node arg_for_each = cur;
				if (!walker.for_each(arg_for_each))
					return false;
						
				if (cur.first_child())
				{
					++walker._depth;
					cur = cur.first_child();
				}
				else if (cur.next_sibling())
					cur = cur.next_sibling();
				else
				{
					// Borland C++ workaround
					while (!cur.next_sibling() && cur != *this && !cur.parent().empty())
					{
						--walker._depth;
						cur = cur.parent();
					}
						
					if (cur != *this)
						cur = cur.next_sibling();
				}
			}
			while (cur && cur != *this);
		}

		assert(walker._depth == -1);

		xml_node arg_end = *this;
		return walker.end(arg_end);
	}

	PUGI__FN size_t xml_node::hash_value() const
	{
		return static_cast<size_t>(reinterpret_cast<uintptr_t>(_root) / sizeof(xml_node_struct));
	}

	PUGI__FN xml_node_struct* xml_node::internal_object() const
	{
		return _root;
	}

	PUGI__FN void xml_node::print(xml_writer& writer, const char_t* indent, unsigned int flags, xml_encoding encoding, unsigned int depth) const
	{
		if (!_root) return;

		impl::xml_buffered_writer buffered_writer(writer, encoding);

		impl::node_output(buffered_writer, *this, indent, flags, depth);
	}

#ifndef PUGIXML_NO_STL
	PUGI__FN void xml_node::print(std::basic_ostream<char, std::char_traits<char> >& stream, const char_t* indent, unsigned int flags, xml_encoding encoding, unsigned int depth) const
	{
		xml_writer_stream writer(stream);

		print(writer, indent, flags, encoding, depth);
	}

	PUGI__FN void xml_node::print(std::basic_ostream<wchar_t, std::char_traits<wchar_t> >& stream, const char_t* indent, unsigned int flags, unsigned int depth) const
	{
		xml_writer_stream writer(stream);

		print(writer, indent, flags, encoding_wchar, depth);
	}
#endif

	PUGI__FN ptrdiff_t xml_node::offset_debug() const
	{
		xml_node_struct* r = root()._root;

		if (!r) return -1;

		const char_t* buffer = static_cast<impl::xml_document_struct*>(r)->buffer;

		if (!buffer) return -1;

		switch (type())
		{
		case node_document:
			return 0;

		case node_element:
		case node_declaration:
		case node_pi:
			return (_root->header & impl::xml_memory_page_name_allocated_mask) ? -1 : _root->name - buffer;

		case node_pcdata:
		case node_cdata:
		case node_comment:
		case node_doctype:
			return (_root->header & impl::xml_memory_page_value_allocated_mask) ? -1 : _root->value - buffer;

		default:
			return -1;
		}
	}

#ifdef __BORLANDC__
	PUGI__FN bool operator&&(const xml_node& lhs, bool rhs)
	{
		return (bool)lhs && rhs;
	}

	PUGI__FN bool operator||(const xml_node& lhs, bool rhs)
	{
		return (bool)lhs || rhs;
	}
#endif

	PUGI__FN xml_text::xml_text(xml_node_struct* root): _root(root)
	{
	}

	PUGI__FN xml_node_struct* xml_text::_data() const
	{
		if (!_root || impl::is_text_node(_root)) return _root;

		for (xml_node_struct* node = _root->first_child; node; node = node->next_sibling)
			if (impl::is_text_node(node))
				return node;

		return 0;
	}

	PUGI__FN xml_node_struct* xml_text::_data_new()
	{
		xml_node_struct* d = _data();
		if (d) return d;

		return xml_node(_root).append_child(node_pcdata).internal_object();
	}

	PUGI__FN xml_text::xml_text(): _root(0)
	{
	}

	PUGI__FN static void unspecified_bool_xml_text(xml_text***)
	{
	}

	PUGI__FN xml_text::operator xml_text::unspecified_bool_type() const
	{
		return _data() ? unspecified_bool_xml_text : 0;
	}

	PUGI__FN bool xml_text::operator!() const
	{
		return !_data();
	}

	PUGI__FN bool xml_text::empty() const
	{
		return _data() == 0;
	}

	PUGI__FN const char_t* xml_text::get() const
	{
		xml_node_struct* d = _data();

		return (d && d->value) ? d->value : PUGIXML_TEXT("");
	}

	PUGI__FN const char_t* xml_text::as_string(const char_t* def) const
	{
		xml_node_struct* d = _data();

		return (d && d->value) ? d->value : def;
	}

	PUGI__FN int xml_text::as_int(int def) const
	{
		xml_node_struct* d = _data();

		return impl::get_value_int(d ? d->value : 0, def);
	}

	PUGI__FN unsigned int xml_text::as_uint(unsigned int def) const
	{
		xml_node_struct* d = _data();

		return impl::get_value_uint(d ? d->value : 0, def);
	}

	PUGI__FN double xml_text::as_double(double def) const
	{
		xml_node_struct* d = _data();

		return impl::get_value_double(d ? d->value : 0, def);
	}

	PUGI__FN float xml_text::as_float(float def) const
	{
		xml_node_struct* d = _data();

		return impl::get_value_float(d ? d->value : 0, def);
	}

	PUGI__FN bool xml_text::as_bool(bool def) const
	{
		xml_node_struct* d = _data();

		return impl::get_value_bool(d ? d->value : 0, def);
	}

	PUGI__FN bool xml_text::set(const char_t* rhs)
	{
		xml_node_struct* dn = _data_new();

		return dn ? impl::strcpy_insitu(dn->value, dn->header, impl::xml_memory_page_value_allocated_mask, rhs) : false;
	}

	PUGI__FN bool xml_text::set(int rhs)
	{
		xml_node_struct* dn = _data_new();

		return dn ? impl::set_value_convert(dn->value, dn->header, impl::xml_memory_page_value_allocated_mask, rhs) : false;
	}

	PUGI__FN bool xml_text::set(unsigned int rhs)
	{
		xml_node_struct* dn = _data_new();

		return dn ? impl::set_value_convert(dn->value, dn->header, impl::xml_memory_page_value_allocated_mask, rhs) : false;
	}

	PUGI__FN bool xml_text::set(double rhs)
	{
		xml_node_struct* dn = _data_new();

		return dn ? impl::set_value_convert(dn->value, dn->header, impl::xml_memory_page_value_allocated_mask, rhs) : false;
	}

	PUGI__FN bool xml_text::set(bool rhs)
	{
		xml_node_struct* dn = _data_new();

		return dn ? impl::set_value_convert(dn->value, dn->header, impl::xml_memory_page_value_allocated_mask, rhs) : false;
	}

	PUGI__FN xml_text& xml_text::operator=(const char_t* rhs)
	{
		set(rhs);
		return *this;
	}

	PUGI__FN xml_text& xml_text::operator=(int rhs)
	{
		set(rhs);
		return *this;
	}

	PUGI__FN xml_text& xml_text::operator=(unsigned int rhs)
	{
		set(rhs);
		return *this;
	}

	PUGI__FN xml_text& xml_text::operator=(double rhs)
	{
		set(rhs);
		return *this;
	}

	PUGI__FN xml_text& xml_text::operator=(bool rhs)
	{
		set(rhs);
		return *this;
	}

	PUGI__FN xml_node xml_text::data() const
	{
		return xml_node(_data());
	}

#ifdef __BORLANDC__
	PUGI__FN bool operator&&(const xml_text& lhs, bool rhs)
	{
		return (bool)lhs && rhs;
	}

	PUGI__FN bool operator||(const xml_text& lhs, bool rhs)
	{
		return (bool)lhs || rhs;
	}
#endif

	PUGI__FN xml_node_iterator::xml_node_iterator()
	{
	}

	PUGI__FN xml_node_iterator::xml_node_iterator(const xml_node& node): _wrap(node), _parent(node.parent())
	{
	}

	PUGI__FN xml_node_iterator::xml_node_iterator(xml_node_struct* ref, xml_node_struct* parent): _wrap(ref), _parent(parent)
	{
	}

	PUGI__FN bool xml_node_iterator::operator==(const xml_node_iterator& rhs) const
	{
		return _wrap._root == rhs._wrap._root && _parent._root == rhs._parent._root;
	}
	
	PUGI__FN bool xml_node_iterator::operator!=(const xml_node_iterator& rhs) const
	{
		return _wrap._root != rhs._wrap._root || _parent._root != rhs._parent._root;
	}

	PUGI__FN xml_node& xml_node_iterator::operator*() const
	{
		assert(_wrap._root);
		return _wrap;
	}

	PUGI__FN xml_node* xml_node_iterator::operator->() const
	{
		assert(_wrap._root);
		return const_cast<xml_node*>(&_wrap); // BCC32 workaround
	}

	PUGI__FN const xml_node_iterator& xml_node_iterator::operator++()
	{
		assert(_wrap._root);
		_wrap._root = _wrap._root->next_sibling;
		return *this;
	}

	PUGI__FN xml_node_iterator xml_node_iterator::operator++(int)
	{
		xml_node_iterator temp = *this;
		++*this;
		return temp;
	}

	PUGI__FN const xml_node_iterator& xml_node_iterator::operator--()
	{
		_wrap = _wrap._root ? _wrap.previous_sibling() : _parent.last_child();
		return *this;
	}

	PUGI__FN xml_node_iterator xml_node_iterator::operator--(int)
	{
		xml_node_iterator temp = *this;
		--*this;
		return temp;
	}

	PUGI__FN xml_attribute_iterator::xml_attribute_iterator()
	{
	}

	PUGI__FN xml_attribute_iterator::xml_attribute_iterator(const xml_attribute& attr, const xml_node& parent): _wrap(attr), _parent(parent)
	{
	}

	PUGI__FN xml_attribute_iterator::xml_attribute_iterator(xml_attribute_struct* ref, xml_node_struct* parent): _wrap(ref), _parent(parent)
	{
	}

	PUGI__FN bool xml_attribute_iterator::operator==(const xml_attribute_iterator& rhs) const
	{
		return _wrap._attr == rhs._wrap._attr && _parent._root == rhs._parent._root;
	}
	
	PUGI__FN bool xml_attribute_iterator::operator!=(const xml_attribute_iterator& rhs) const
	{
		return _wrap._attr != rhs._wrap._attr || _parent._root != rhs._parent._root;
	}

	PUGI__FN xml_attribute& xml_attribute_iterator::operator*() const
	{
		assert(_wrap._attr);
		return _wrap;
	}

	PUGI__FN xml_attribute* xml_attribute_iterator::operator->() const
	{
		assert(_wrap._attr);
		return const_cast<xml_attribute*>(&_wrap); // BCC32 workaround
	}

	PUGI__FN const xml_attribute_iterator& xml_attribute_iterator::operator++()
	{
		assert(_wrap._attr);
		_wrap._attr = _wrap._attr->next_attribute;
		return *this;
	}