1 /*
2 * XML::Subtree - proxy for an XML subtree
3 *
4 * Copyright 2005 MenTaLguY <mental@rydia.net>
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version 2
9 * of the License, or (at your option) any later version.
10 *
11 * See the file COPYING for details.
12 *
13 */
15 #include "xml/node.h"
16 #include "xml/subtree.h"
17 #include "xml/node-iterators.h"
19 namespace Inkscape {
20 namespace XML {
22 Subtree::Subtree(Node &root) : _root(root) {
23 _root.addSubtreeObserver(_observers);
24 }
26 Subtree::~Subtree() {
27 _root.removeSubtreeObserver(_observers);
28 }
30 namespace {
32 void synthesize_events_recursive(Node &node, NodeObserver &observer) {
33 node.synthesizeEvents(observer);
34 for ( NodeSiblingIterator iter = node.firstChild() ; iter ; ++iter ) {
35 synthesize_events_recursive(*iter, observer);
36 }
37 }
39 }
41 void Subtree::synthesizeEvents(NodeObserver &observer) {
42 synthesize_events_recursive(_root, observer);
43 }
45 void Subtree::addObserver(NodeObserver &observer) {
46 _observers.add(observer);
47 }
49 void Subtree::removeObserver(NodeObserver &observer) {
50 _observers.remove(observer);
51 }
53 }
54 }
56 /*
57 Local Variables:
58 mode:c++
59 c-file-style:"stroustrup"
60 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
61 indent-tabs-mode:nil
62 fill-column:99
63 End:
64 */
65 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :