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Diffstat (limited to '')
| -rw-r--r-- | src/xml/simple-node.h | 172 |
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 index 0000000..41350eb --- /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 : |