10d29c390d
Change-Id: I076f16d0536b534abf0ced4d76051eadb4c0e033 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/114949 Tested-by: Jenkins Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
297 lines
11 KiB
C++
297 lines
11 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#pragma once
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#include <libxml/tree.h>
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#include <sal/types.h>
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#include <rtl/ref.hxx>
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#include <rtl/string.hxx>
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#include <rtl/ustring.hxx>
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#include <cppuhelper/implbase.hxx>
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#include <sax/fastattribs.hxx>
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#include <com/sun/star/uno/Reference.h>
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#include <com/sun/star/uno/Sequence.h>
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#include <com/sun/star/lang/XUnoTunnel.hpp>
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#include <com/sun/star/xml/dom/XNode.hpp>
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#include <com/sun/star/xml/dom/XNodeList.hpp>
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#include <com/sun/star/xml/dom/XNamedNodeMap.hpp>
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#include <com/sun/star/xml/dom/NodeType.hpp>
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#include <com/sun/star/xml/dom/events/XEventTarget.hpp>
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#include <com/sun/star/xml/dom/events/XEvent.hpp>
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#include <com/sun/star/xml/sax/XDocumentHandler.hpp>
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#include <com/sun/star/xml/sax/XFastDocumentHandler.hpp>
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#include <unordered_map>
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namespace DOM
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{
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struct Context
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{
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Context( const css::uno::Reference< css::xml::sax::XFastDocumentHandler >& i_xHandler,
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sax_fastparser::FastTokenHandlerBase* pTokenHandler ) :
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maNamespaces( 1, std::vector<Namespace>() ),
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maNamespaceMap(101),
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mxAttribList(new sax_fastparser::FastAttributeList(pTokenHandler)),
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mxCurrentHandler(i_xHandler),
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mxDocHandler(i_xHandler),
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mxTokenHandler(pTokenHandler)
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{}
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struct Namespace
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{
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OString maPrefix;
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sal_Int32 mnToken;
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const OString& getPrefix() const { return maPrefix; }
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};
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typedef std::vector< std::vector<Namespace> > NamespaceVectorType;
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typedef std::unordered_map< OUString, sal_Int32 > NamespaceMapType;
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/// outer vector: xml context; inner vector: current NS
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NamespaceVectorType maNamespaces;
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NamespaceMapType maNamespaceMap;
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::rtl::Reference<sax_fastparser::FastAttributeList> mxAttribList;
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css::uno::Reference<css::xml::sax::XFastContextHandler> mxCurrentHandler;
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css::uno::Reference<css::xml::sax::XFastDocumentHandler> mxDocHandler;
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rtl::Reference<sax_fastparser::FastTokenHandlerBase> mxTokenHandler;
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};
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void pushContext(Context& io_rContext);
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void popContext(Context& io_rContext);
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sal_Int32 getTokenWithPrefix( const Context& rContext, const char* xPrefix, const char* xName );
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sal_Int32 getToken( const Context& rContext, const char* xName );
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/// add namespaces on this node to context
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void addNamespaces(Context& io_rContext, xmlNodePtr pNode);
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class CDocument;
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class CNode : public cppu::WeakImplHelper< css::xml::dom::XNode, css::lang::XUnoTunnel, css::xml::dom::events::XEventTarget >
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{
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friend class CDocument;
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friend class CElement;
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friend class CAttributesMap;
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private:
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bool m_bUnlinked; /// node has been removed from document
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protected:
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css::xml::dom::NodeType const m_aNodeType;
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/// libxml node; NB: not const, because invalidate may reset it to 0!
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xmlNodePtr m_aNodePtr;
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::rtl::Reference< CDocument > const m_xDocument;
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::osl::Mutex & m_rMutex;
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// for initialization by classes derived through ImplInheritanceHelper
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CNode(CDocument const& rDocument, ::osl::Mutex const& rMutex,
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css::xml::dom::NodeType const& reNodeType, xmlNodePtr const& rpNode);
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void invalidate();
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void dispatchSubtreeModified();
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public:
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virtual ~CNode() override;
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static const css::uno::Sequence< sal_Int8 > & getUnoTunnelId() noexcept;
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xmlNodePtr GetNodePtr() { return m_aNodePtr; }
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virtual CDocument & GetOwnerDocument();
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// recursively create SAX events
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virtual void saxify(const css::uno::Reference< css::xml::sax::XDocumentHandler >& i_xHandler);
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// recursively create SAX events
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virtual void fastSaxify( Context& io_rContext );
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// constrains child relationship between nodes based on type
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virtual bool IsChildTypeAllowed(css::xml::dom::NodeType const nodeType);
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// ---- DOM interfaces
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/**
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Adds the node newChild to the end of the list of children of this node.
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*/
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virtual css::uno::Reference< css::xml::dom::XNode > SAL_CALL
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appendChild(css::uno::Reference< css::xml::dom::XNode > const& xNewChild) override;
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/**
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Returns a duplicate of this node, i.e., serves as a generic copy
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constructor for nodes.
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*/
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virtual css::uno::Reference< css::xml::dom::XNode > SAL_CALL cloneNode(sal_Bool deep) override;
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/**
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A NamedNodeMap containing the attributes of this node
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(if it is an Element) or null otherwise.
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*/
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virtual css::uno::Reference< css::xml::dom::XNamedNodeMap > SAL_CALL getAttributes() override;
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/**
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A NodeList that contains all children of this node.
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*/
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virtual css::uno::Reference< css::xml::dom::XNodeList > SAL_CALL getChildNodes() override;
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/**
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The first child of this node.
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*/
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virtual css::uno::Reference< css::xml::dom::XNode > SAL_CALL getFirstChild() override;
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/**
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The last child of this node.
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*/
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virtual css::uno::Reference< css::xml::dom::XNode > SAL_CALL getLastChild() override;
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/**
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Returns the local part of the qualified name of this node.
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*/
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virtual OUString SAL_CALL getLocalName() override;
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/**
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The namespace URI of this node, or null if it is unspecified.
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*/
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virtual OUString SAL_CALL getNamespaceURI() override;
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/**
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The node immediately following this node.
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*/
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virtual css::uno::Reference< css::xml::dom::XNode > SAL_CALL getNextSibling() override;
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/**
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The name of this node, depending on its type; see the table above.
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-- virtual implemented by actual node types
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*/
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virtual OUString SAL_CALL getNodeName() override;
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/**
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A code representing the type of the underlying object, as defined above.
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*/
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virtual css::xml::dom::NodeType SAL_CALL getNodeType() override;
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/**
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The value of this node, depending on its type; see the table above.
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-- virtual implemented by actual node types
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*/
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virtual OUString SAL_CALL getNodeValue() override;
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/**
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The Document object associated with this node.
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*/
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virtual css::uno::Reference< css::xml::dom::XDocument > SAL_CALL getOwnerDocument() override;
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/**
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The parent of this node.
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*/
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virtual css::uno::Reference< css::xml::dom::XNode > SAL_CALL getParentNode() override;
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/**
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The namespace prefix of this node, or null if it is unspecified.
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*/
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virtual OUString SAL_CALL getPrefix() override;
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/**
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The node immediately preceding this node.
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*/
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virtual css::uno::Reference< css::xml::dom::XNode > SAL_CALL getPreviousSibling() override;
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/**
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Returns whether this node (if it is an element) has any attributes.
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*/
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virtual sal_Bool SAL_CALL hasAttributes() override;
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/**
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Returns whether this node has any children.
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*/
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virtual sal_Bool SAL_CALL hasChildNodes() override;
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/**
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Inserts the node newChild before the existing child node refChild.
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*/
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virtual css::uno::Reference< css::xml::dom::XNode > SAL_CALL insertBefore(
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const css::uno::Reference< css::xml::dom::XNode >& newChild, const css::uno::Reference< css::xml::dom::XNode >& refChild) override;
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/**
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Tests whether the DOM implementation implements a specific feature and
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that feature is supported by this node.
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*/
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virtual sal_Bool SAL_CALL isSupported(const OUString& feature, const OUString& ver) override;
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/**
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Puts all Text nodes in the full depth of the sub-tree underneath this
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Node, including attribute nodes, into a "normal" form where only structure
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(e.g., elements, comments, processing instructions, CDATA sections, and
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entity references) separates Text nodes, i.e., there are neither adjacent
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Text nodes nor empty Text nodes.
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*/
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virtual void SAL_CALL normalize() override;
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/**
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Removes the child node indicated by oldChild from the list of children,
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and returns it.
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*/
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virtual css::uno::Reference< css::xml::dom::XNode > SAL_CALL removeChild(const css::uno::Reference< css::xml::dom::XNode >& oldChild) override;
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/**
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Replaces the child node oldChild with newChild in the list of children,
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and returns the oldChild node.
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*/
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virtual css::uno::Reference< css::xml::dom::XNode > SAL_CALL replaceChild(
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const css::uno::Reference< css::xml::dom::XNode >& newChild, const css::uno::Reference< css::xml::dom::XNode >& oldChild) override;
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/**
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The value of this node, depending on its type; see the table above.
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*/
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virtual void SAL_CALL setNodeValue(const OUString& nodeValue) override;
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/**
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The namespace prefix of this node, or null if it is unspecified.
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*/
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virtual void SAL_CALL setPrefix(const OUString& prefix) override;
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// --- XEventTarget
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virtual void SAL_CALL addEventListener(const OUString& eventType,
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const css::uno::Reference< css::xml::dom::events::XEventListener >& listener,
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sal_Bool useCapture) override;
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virtual void SAL_CALL removeEventListener(const OUString& eventType,
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const css::uno::Reference< css::xml::dom::events::XEventListener >& listener,
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sal_Bool useCapture) override;
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virtual sal_Bool SAL_CALL dispatchEvent(const css::uno::Reference< css::xml::dom::events::XEvent >& evt) override;
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// --- XUnoTunnel
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virtual ::sal_Int64 SAL_CALL
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getSomething(css::uno::Sequence< ::sal_Int8 > const& rId) override;
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};
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/// eliminate redundant namespace declarations
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void nscleanup(const xmlNodePtr aNode, const xmlNodePtr aParent);
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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