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-rw-r--r--src/xml/simple-node.h172
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diff --git a/src/xml/simple-node.h b/src/xml/simple-node.h
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+// 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 :