1 files changed, 122 insertions, 0 deletions
diff --git a/src/xml/simple-session.cpp b/src/xml/simple-session.cpp
new file mode 100644
index 000000000..76caf1e54
--- /dev/null
+++ b/src/xml/simple-session.cpp
@@ -0,0 +1,122 @@
+/*
+ * Inkscape::XML::SimpleSession - simple session/logging implementation
+ *
+ * Copyright 2005 MenTaLguY <mental@rydia.net>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * See the file COPYING for details.
+ *
+ */
+
+#include "xml/simple-session.h"
+#include "xml/event-fns.h"
+#include "xml/element-node.h"
+#include "xml/text-node.h"
+#include "xml/comment-node.h"
+
+namespace Inkscape {
+
+namespace XML {
+
+void SimpleSession::beginTransaction() {
+    g_assert(!_in_transaction);
+    _in_transaction = true;
+}
+
+void SimpleSession::rollback() {
+    g_assert(_in_transaction);
+    _in_transaction = false;
+    Event *log = _log_builder.detach();
+    sp_repr_undo_log(log);
+    sp_repr_free_log(log);
+}
+
+void SimpleSession::commit() {
+    g_assert(_in_transaction);
+    _in_transaction = false;
+    _log_builder.discard();
+}
+
+Inkscape::XML::Event *SimpleSession::commitUndoable() {
+    g_assert(_in_transaction);
+    _in_transaction = false;
+    return _log_builder.detach();
+}
+
+Node *SimpleSession::createElementNode(char const *name) {
+    return new ElementNode(g_quark_from_string(name));
+}
+
+Node *SimpleSession::createTextNode(char const *content) {
+    return new TextNode(Util::SharedCStringPtr::copy(content));
+}
+
+Node *SimpleSession::createCommentNode(char const *content) {
+    return new CommentNode(Util::SharedCStringPtr::copy(content));
+}
+
+void SimpleSession::notifyChildAdded(Node &parent,
+                                     Node &child,
+                                     Node *prev)
+{
+    if (_in_transaction) {
+        _log_builder.addChild(parent, child, prev);
+    }
+}
+
+void SimpleSession::notifyChildRemoved(Node &parent,
+                                       Node &child,
+                                       Node *prev)
+{
+    if (_in_transaction) {
+        _log_builder.removeChild(parent, child, prev);
+    }
+}
+
+void SimpleSession::notifyChildOrderChanged(Node &parent,
+                                            Node &child,
+                                            Node *old_prev,
+                                            Node *new_prev)
+{
+    if (_in_transaction) {
+        _log_builder.setChildOrder(parent, child, old_prev, new_prev);
+    }
+}
+
+void SimpleSession::notifyContentChanged(Node &node,
+                                         Util::SharedCStringPtr old_content,
+                                         Util::SharedCStringPtr new_content)
+{
+    if (_in_transaction) {
+        _log_builder.setContent(node, old_content, new_content);
+    }
+}
+
+void SimpleSession::notifyAttributeChanged(Node &node,
+                                           GQuark name,
+                                           Util::SharedCStringPtr old_value,
+                                           Util::SharedCStringPtr new_value)
+{
+    if (_in_transaction) {
+        _log_builder.setAttribute(node, name, old_value, new_value);
+    }
+}
+
+}
+
+}
+
+/*
+  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:encoding=utf-8:textwidth=99 :