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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#pragma once
#include <libxml/tree.h>
#include <sal/types.h>
#include <rtl/ref.hxx>
#include <rtl/string.hxx>
#include <rtl/ustring.hxx>
#include <cppuhelper/implbase.hxx>
#include <sax/fastattribs.hxx>
#include <com/sun/star/uno/Reference.h>
#include <com/sun/star/uno/Sequence.h>
#include <com/sun/star/xml/dom/XNode.hpp>
#include <com/sun/star/xml/dom/XNodeList.hpp>
#include <com/sun/star/xml/dom/XNamedNodeMap.hpp>
#include <com/sun/star/xml/dom/NodeType.hpp>
#include <com/sun/star/xml/dom/events/XEventTarget.hpp>
#include <com/sun/star/xml/dom/events/XEvent.hpp>
#include <com/sun/star/xml/sax/XDocumentHandler.hpp>
#include <com/sun/star/xml/sax/XFastDocumentHandler.hpp>
#include <unordered_map>
namespace DOM
{
struct Context
{
Context( const css::uno::Reference< css::xml::sax::XFastDocumentHandler >& i_xHandler,
sax_fastparser::FastTokenHandlerBase* pTokenHandler ) :
maNamespaces( 1, std::vector<Namespace>() ),
maNamespaceMap(101),
mxAttribList(new sax_fastparser::FastAttributeList(pTokenHandler)),
mxCurrentHandler(i_xHandler),
mxDocHandler(i_xHandler),
mxTokenHandler(pTokenHandler)
{}
struct Namespace
{
OString maPrefix;
sal_Int32 mnToken;
const OString& getPrefix() const { return maPrefix; }
};
typedef std::vector< std::vector<Namespace> > NamespaceVectorType;
typedef std::unordered_map< OUString, sal_Int32 > NamespaceMapType;
/// outer vector: xml context; inner vector: current NS
NamespaceVectorType maNamespaces;
NamespaceMapType maNamespaceMap;
::rtl::Reference<sax_fastparser::FastAttributeList> mxAttribList;
css::uno::Reference<css::xml::sax::XFastContextHandler> mxCurrentHandler;
css::uno::Reference<css::xml::sax::XFastDocumentHandler> mxDocHandler;
rtl::Reference<sax_fastparser::FastTokenHandlerBase> mxTokenHandler;
};
void pushContext(Context& io_rContext);
void popContext(Context& io_rContext);
sal_Int32 getTokenWithPrefix( const Context& rContext, const char* xPrefix, const char* xName );
sal_Int32 getToken( const Context& rContext, const char* xName );
/// add namespaces on this node to context
void addNamespaces(Context& io_rContext, xmlNodePtr pNode);
class CDocument;
class SAL_LOPLUGIN_ANNOTATE("crosscast") CNode
: public cppu::WeakImplHelper< css::xml::dom::XNode, css::xml::dom::events::XEventTarget >
{
friend class CDocument;
friend class CElement;
friend class CAttributesMap;
private:
bool m_bUnlinked; /// node has been removed from document
protected:
css::xml::dom::NodeType const m_aNodeType;
/// libxml node; NB: not const, because invalidate may reset it to 0!
xmlNodePtr m_aNodePtr;
::rtl::Reference< CDocument > const m_xDocument;
::osl::Mutex & m_rMutex;
// for initialization by classes derived through ImplInheritanceHelper
CNode(CDocument const& rDocument, ::osl::Mutex const& rMutex,
css::xml::dom::NodeType const& reNodeType, xmlNodePtr const& rpNode);
void invalidate();
void dispatchSubtreeModified();
void checkNoParent(css::uno::Reference< css::xml::dom::XNode >const& xNode);
static void checkNoParent(const xmlNodePtr pNode);
void checkSameOwner(css::uno::Reference< css::xml::dom::XNode >const& xNode);
public:
virtual ~CNode() override;
xmlNodePtr GetNodePtr() { return m_aNodePtr; }
virtual CDocument & GetOwnerDocument();
// recursively create SAX events
virtual void saxify(const css::uno::Reference< css::xml::sax::XDocumentHandler >& i_xHandler);
// recursively create SAX events
virtual void fastSaxify( Context& io_rContext );
// constrains child relationship between nodes based on type
virtual bool IsChildTypeAllowed(css::xml::dom::NodeType nodeType,
css::xml::dom::NodeType const* pReplacedNodeType);
// ---- DOM interfaces
/**
Adds the node newChild to the end of the list of children of this node.
*/
virtual css::uno::Reference< css::xml::dom::XNode > SAL_CALL
appendChild(css::uno::Reference< css::xml::dom::XNode > const& xNewChild) override;
/**
Returns a duplicate of this node, i.e., serves as a generic copy
constructor for nodes.
*/
virtual css::uno::Reference< css::xml::dom::XNode > SAL_CALL cloneNode(sal_Bool deep) override;
/**
A NamedNodeMap containing the attributes of this node
(if it is an Element) or null otherwise.
*/
virtual css::uno::Reference< css::xml::dom::XNamedNodeMap > SAL_CALL getAttributes() override;
/**
A NodeList that contains all children of this node.
*/
virtual css::uno::Reference< css::xml::dom::XNodeList > SAL_CALL getChildNodes() override;
/**
The first child of this node.
*/
virtual css::uno::Reference< css::xml::dom::XNode > SAL_CALL getFirstChild() override;
/**
The last child of this node.
*/
virtual css::uno::Reference< css::xml::dom::XNode > SAL_CALL getLastChild() override;
/**
Returns the local part of the qualified name of this node.
*/
virtual OUString SAL_CALL getLocalName() override;
/**
The namespace URI of this node, or null if it is unspecified.
*/
virtual OUString SAL_CALL getNamespaceURI() override;
/**
The node immediately following this node.
*/
virtual css::uno::Reference< css::xml::dom::XNode > SAL_CALL getNextSibling() override;
/**
The name of this node, depending on its type; see the table above.
-- virtual implemented by actual node types
*/
virtual OUString SAL_CALL getNodeName() override;
/**
A code representing the type of the underlying object, as defined above.
*/
virtual css::xml::dom::NodeType SAL_CALL getNodeType() override;
/**
The value of this node, depending on its type; see the table above.
-- virtual implemented by actual node types
*/
virtual OUString SAL_CALL getNodeValue() override;
/**
The Document object associated with this node.
*/
virtual css::uno::Reference< css::xml::dom::XDocument > SAL_CALL getOwnerDocument() override;
/**
The parent of this node.
*/
virtual css::uno::Reference< css::xml::dom::XNode > SAL_CALL getParentNode() override;
/**
The namespace prefix of this node, or null if it is unspecified.
*/
virtual OUString SAL_CALL getPrefix() override;
/**
The node immediately preceding this node.
*/
virtual css::uno::Reference< css::xml::dom::XNode > SAL_CALL getPreviousSibling() override;
/**
Returns whether this node (if it is an element) has any attributes.
*/
virtual sal_Bool SAL_CALL hasAttributes() override;
/**
Returns whether this node has any children.
*/
virtual sal_Bool SAL_CALL hasChildNodes() override;
/**
Inserts the node newChild before the existing child node refChild.
*/
virtual css::uno::Reference< css::xml::dom::XNode > SAL_CALL insertBefore(
const css::uno::Reference< css::xml::dom::XNode >& newChild, const css::uno::Reference< css::xml::dom::XNode >& refChild) override;
/**
Tests whether the DOM implementation implements a specific feature and
that feature is supported by this node.
*/
virtual sal_Bool SAL_CALL isSupported(const OUString& feature, const OUString& ver) override;
/**
Puts all Text nodes in the full depth of the sub-tree underneath this
Node, including attribute nodes, into a "normal" form where only structure
(e.g., elements, comments, processing instructions, CDATA sections, and
entity references) separates Text nodes, i.e., there are neither adjacent
Text nodes nor empty Text nodes.
*/
virtual void SAL_CALL normalize() override;
/**
Removes the child node indicated by oldChild from the list of children,
and returns it.
*/
virtual css::uno::Reference< css::xml::dom::XNode > SAL_CALL removeChild(const css::uno::Reference< css::xml::dom::XNode >& oldChild) override;
/**
Replaces the child node oldChild with newChild in the list of children,
and returns the oldChild node.
*/
virtual css::uno::Reference< css::xml::dom::XNode > SAL_CALL replaceChild(
const css::uno::Reference< css::xml::dom::XNode >& newChild, const css::uno::Reference< css::xml::dom::XNode >& oldChild) override;
/**
The value of this node, depending on its type; see the table above.
*/
virtual void SAL_CALL setNodeValue(const OUString& nodeValue) override;
/**
The namespace prefix of this node, or null if it is unspecified.
*/
virtual void SAL_CALL setPrefix(const OUString& prefix) override;
// --- XEventTarget
virtual void SAL_CALL addEventListener(const OUString& eventType,
const css::uno::Reference< css::xml::dom::events::XEventListener >& listener,
sal_Bool useCapture) override;
virtual void SAL_CALL removeEventListener(const OUString& eventType,
const css::uno::Reference< css::xml::dom::events::XEventListener >& listener,
sal_Bool useCapture) override;
virtual sal_Bool SAL_CALL dispatchEvent(const css::uno::Reference< css::xml::dom::events::XEvent >& evt) override;
};
/// eliminate redundant namespace declarations
void nscleanup(const xmlNodePtr aNode, const xmlNodePtr aParent);
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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