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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 :
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