1 files changed, 172 insertions, 0 deletions
diff --git a/src/xml/simple-node.h b/src/xml/simple-node.h
new file mode 100644
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--- /dev/null
+++ b/src/xml/simple-node.h
@@ -0,0 +1,172 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/** @file
+ * GC-managed XML node implementation
+ *//*
+ * Authors: see git history
+ *
+ * Copyright (C) 2018 Authors
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#ifndef SEEN_INKSCAPE_XML_NODE_H
+#error  You have included xml/simple-node.h in your document, which is an implementation.  Chances are that you want xml/node.h.  Please fix that.
+#endif
+
+#ifndef SEEN_INKSCAPE_XML_SIMPLE_NODE_H
+#define SEEN_INKSCAPE_XML_SIMPLE_NODE_H
+
+#include <cassert>
+#include <iostream>
+#include <vector>
+
+#include "xml/node.h"
+#include "xml/attribute-record.h"
+#include "xml/composite-node-observer.h"
+
+namespace Inkscape {
+
+namespace XML {
+
+/**
+ * @brief Default implementation of the XML node stored in memory.
+ *
+ * @see Inkscape::XML::Node
+ */
+class SimpleNode
+: virtual public Node, public Inkscape::GC::Managed<>
+{
+public:
+    char const *name() const override;
+    int code() const override { return _name; }
+    void setCodeUnsafe(int code) override;
+
+    Document *document() override { return _document; }
+    Document const *document() const override {
+        return const_cast<SimpleNode *>(this)->document();
+    }
+
+    Node *duplicate(Document* doc) const override { return _duplicate(doc); }
+
+    Node *root() override;
+    Node const *root() const override {
+        return const_cast<SimpleNode *>(this)->root();
+    }
+
+    Node *parent() override { return _parent; }
+    Node const *parent() const override { return _parent; }
+
+    Node *next() override { return _next; }
+    Node const *next() const override { return _next; }
+    Node *prev() override { return _prev; }
+    Node const *prev() const override { return _prev; }
+
+    Node *firstChild() override { return _first_child; }
+    Node const *firstChild() const override { return _first_child; }
+    Node *lastChild() override { return _last_child; }
+    Node const *lastChild() const override { return _last_child; }
+
+    unsigned childCount() const override { return _child_count; }
+    Node *nthChild(unsigned index) override;
+    Node const *nthChild(unsigned index) const override {
+        return const_cast<SimpleNode *>(this)->nthChild(index);
+    }
+
+    void addChild(Node *child, Node *ref) override;
+    void appendChild(Node *child) override {
+        SimpleNode::addChild(child, _last_child);
+    }
+    void removeChild(Node *child) override;
+    void changeOrder(Node *child, Node *ref) override;
+
+    unsigned position() const override;
+    void setPosition(int pos) override;
+
+    char const *attribute(char const *key) const override;
+    bool matchAttributeName(char const *partial_name) const override;
+
+    char const *content() const override;
+    void setContent(char const *value) override;
+
+    void cleanOriginal(Node *src, gchar const *key) override;
+    bool equal(Node const *other, bool recursive) override;
+    void mergeFrom(Node const *src, char const *key, bool extension = false, bool clean = false) override;
+
+    const AttributeVector & attributeList() const override {
+        return _attributes;
+    }
+
+    void synthesizeEvents(NodeEventVector const *vector, void *data) override;
+    void synthesizeEvents(NodeObserver &observer) override;
+
+    void addListener(NodeEventVector const *vector, void *data) override {
+        assert(vector != NULL);
+        _observers.addListener(*vector, data);
+    }
+    void addObserver(NodeObserver &observer) override {
+        _observers.add(observer);
+    }
+    void removeListenerByData(void *data) override {
+        _observers.removeListenerByData(data);
+    }
+    void removeObserver(NodeObserver &observer) override {
+        _observers.remove(observer);
+    }
+
+    void addSubtreeObserver(NodeObserver &observer) override {
+        _subtree_observers.add(observer);
+    }
+    void removeSubtreeObserver(NodeObserver &observer) override {
+        _subtree_observers.remove(observer);
+    }
+
+    void recursivePrintTree(unsigned level = 0) override;
+
+protected:
+    SimpleNode(int code, Document *document);
+    SimpleNode(SimpleNode const &repr, Document *document);
+
+    virtual SimpleNode *_duplicate(Document *doc) const=0;
+    void setAttributeImpl(char const *key, char const *value) override;
+
+private:
+    void operator=(Node const &); // no assign
+
+    void _setParent(SimpleNode *parent);
+    unsigned _childPosition(SimpleNode const &child) const;
+
+    SimpleNode *_parent;
+    SimpleNode *_next;
+    SimpleNode *_prev;
+    Document *_document;
+    mutable unsigned _cached_position;
+
+    int _name;
+
+    AttributeVector _attributes;
+
+    Inkscape::Util::ptr_shared _content;
+
+    unsigned _child_count;
+    mutable bool _cached_positions_valid;
+    SimpleNode *_first_child;
+    SimpleNode *_last_child;
+
+    CompositeNodeObserver _observers;
+    CompositeNodeObserver _subtree_observers;
+};
+
+}
+
+}
+
+#endif
+/*
+  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 :