1 files changed, 137 insertions, 0 deletions
diff --git a/src/xml/simple-document.cpp b/src/xml/simple-document.cpp
new file mode 100644
index 0000000..c1227ac
--- /dev/null
+++ b/src/xml/simple-document.cpp
@@ -0,0 +1,137 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/** @file
+ * Garbage collected XML document implementation.
+ *//*
+ * Authors: see git history
+ *
+ * Copyright (C) 2018 Authors
+ * Copyright 2005 MenTaLguY <mental@rydia.net>
+ * 
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include <glib.h> // g_assert()
+
+#include "xml/simple-document.h"
+#include "xml/event-fns.h"
+#include "xml/element-node.h"
+#include "xml/text-node.h"
+#include "xml/comment-node.h"
+#include "xml/pi-node.h"
+
+namespace Inkscape {
+
+namespace XML {
+
+void SimpleDocument::beginTransaction() {
+    g_assert(!_in_transaction);
+    _in_transaction = true;
+}
+
+void SimpleDocument::rollback() {
+    g_assert(_in_transaction);
+    _in_transaction = false;
+    Event *log = _log_builder.detach();
+    sp_repr_undo_log(log);
+    sp_repr_free_log(log);
+}
+
+void SimpleDocument::commit() {
+    g_assert(_in_transaction);
+    _in_transaction = false;
+    _log_builder.discard();
+}
+
+Inkscape::XML::Event *SimpleDocument::commitUndoable() {
+    g_assert(_in_transaction);
+    _in_transaction = false;
+    return _log_builder.detach();
+}
+
+Node *SimpleDocument::createElement(char const *name) {
+    return new ElementNode(g_quark_from_string(name), this);
+}
+
+Node *SimpleDocument::createTextNode(char const *content) {
+    return new TextNode(Util::share_string(content), this);
+}
+
+Node *SimpleDocument::createTextNode(char const *content, bool const is_CData) {
+    return new TextNode(Util::share_string(content), this, is_CData);
+}
+
+Node *SimpleDocument::createComment(char const *content) {
+    return new CommentNode(Util::share_string(content), this);
+}
+
+Node *SimpleDocument::createPI(char const *target, char const *content) {
+    return new PINode(g_quark_from_string(target), Util::share_string(content), this);
+}
+
+void SimpleDocument::notifyChildAdded(Node &parent,
+                                      Node &child,
+                                      Node *prev)
+{
+    if (_in_transaction) {
+        _log_builder.addChild(parent, child, prev);
+    }
+}
+
+void SimpleDocument::notifyChildRemoved(Node &parent,
+                                        Node &child,
+                                        Node *prev)
+{
+    if (_in_transaction) {
+        _log_builder.removeChild(parent, child, prev);
+    }
+}
+
+void SimpleDocument::notifyChildOrderChanged(Node &parent,
+                                             Node &child,
+                                             Node *old_prev,
+                                             Node *new_prev)
+{
+    if (_in_transaction) {
+        _log_builder.setChildOrder(parent, child, old_prev, new_prev);
+    }
+}
+
+void SimpleDocument::notifyContentChanged(Node &node,
+                                          Util::ptr_shared old_content,
+                                          Util::ptr_shared new_content)
+{
+    if (_in_transaction) {
+        _log_builder.setContent(node, old_content, new_content);
+    }
+}
+
+void SimpleDocument::notifyAttributeChanged(Node &node,
+                                            GQuark name,
+                                            Util::ptr_shared old_value,
+                                            Util::ptr_shared new_value)
+{
+    if (_in_transaction) {
+        _log_builder.setAttribute(node, name, old_value, new_value);
+    }
+}
+
+void SimpleDocument::notifyElementNameChanged(Node& node, GQuark old_name, GQuark new_name)
+{
+    if (_in_transaction) {
+        _log_builder.setElementName(node, old_name, new_name);
+    }
+}
+
+} // end namespace XML
+} // end namespace Inkscape
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :