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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 <com/sun/star/xml/wrapper/XXMLDocumentWrapper.hpp>
#include <com/sun/star/xml/csax/XCompressedDocumentHandler.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <cppuhelper/implbase.hxx>
#include <xmlsec/saxhelper.hxx>
#include <xsecxmlsecdllapi.h>
#define NODEPOSITION_NORMAL 1
#define NODEPOSITION_STARTELEMENT 2
#define NODEPOSITION_ENDELEMENT 3
#include <libxml/tree.h>
class XSECXMLSEC_DLLPUBLIC XMLDocumentWrapper_XmlSecImpl final : public cppu::WeakImplHelper
<
css::xml::wrapper::XXMLDocumentWrapper,
css::xml::sax::XDocumentHandler,
css::xml::csax::XCompressedDocumentHandler,
css::lang::XServiceInfo
>
/**
* NAME
* XMLDocumentWrapper_XmlSecImpl -- Class to manipulate a libxml2
* document
*
* FUNCTION
* Converts SAX events into a libxml2 document, converts the document back
* into SAX event stream, and manipulate nodes in the document.
******************************************************************************/
{
private:
/* the sax helper */
SAXHelper saxHelper;
/* the document used to convert SAX events to */
xmlDocPtr m_pDocument;
/* the root element */
xmlNodePtr m_pRootElement;
/*
* the current active element. The next incoming SAX event will be
* appended to this element
*/
xmlNodePtr m_pCurrentElement;
/*
* This variable is used when converting the document or part of it into
* SAX events. See getNextSAXEvent method.
*/
sal_Int32 m_nCurrentPosition;
/*
* used for recursive deletion. See recursiveDelete method
*/
xmlNodePtr m_pStopAtNode;
xmlNodePtr m_pCurrentReservedNode;
css::uno::Sequence< css::uno::Reference< css::xml::wrapper::XXMLElementWrapper > > m_aReservedNodes;
sal_Int32 m_nReservedNodeIndex;
private:
void getNextSAXEvent();
/// @throws css::xml::sax::SAXException
static void sendStartElement(
const css::uno::Reference< css::xml::sax::XDocumentHandler >& xHandler,
const css::uno::Reference< css::xml::sax::XDocumentHandler >& xHandler2,
const xmlNodePtr pNode);
/// @throws css::xml::sax::SAXException
static void sendEndElement(
const css::uno::Reference< css::xml::sax::XDocumentHandler >& xHandler,
const css::uno::Reference< css::xml::sax::XDocumentHandler >& xHandler2,
const xmlNodePtr pNode);
/// @throws css::xml::sax::SAXException
static void sendNode(
const css::uno::Reference< css::xml::sax::XDocumentHandler >& xHandler,
const css::uno::Reference< css::xml::sax::XDocumentHandler >& xHandler2,
const xmlNodePtr pNode);
static OString getNodeQName(const xmlNodePtr pNode);
sal_Int32 recursiveDelete( const xmlNodePtr pNode);
void getNextReservedNode();
void removeNode( const xmlNodePtr pNode) const;
static xmlNodePtr checkElement(
const css::uno::Reference< css::xml::wrapper::XXMLElementWrapper >& xXMLElement);
void buildIDAttr( xmlNodePtr pNode ) const;
void rebuildIDLink( xmlNodePtr pNode ) const;
public:
XMLDocumentWrapper_XmlSecImpl();
virtual ~XMLDocumentWrapper_XmlSecImpl() override;
/* css::xml::wrapper::XXMLDocumentWrapper */
virtual css::uno::Reference< css::xml::wrapper::XXMLElementWrapper > SAL_CALL getCurrentElement( ) override;
virtual void SAL_CALL setCurrentElement( const css::uno::Reference<
css::xml::wrapper::XXMLElementWrapper >& element ) override;
virtual void SAL_CALL removeCurrentElement( ) override;
virtual sal_Bool SAL_CALL isCurrent( const css::uno::Reference<
css::xml::wrapper::XXMLElementWrapper >& node ) override;
virtual sal_Bool SAL_CALL isCurrentElementEmpty( ) override;
virtual OUString SAL_CALL getNodeName( const css::uno::Reference<
css::xml::wrapper::XXMLElementWrapper >& node ) override;
virtual void SAL_CALL clearUselessData(
const css::uno::Reference< css::xml::wrapper::XXMLElementWrapper >& node,
const css::uno::Sequence< css::uno::Reference< css::xml::wrapper::XXMLElementWrapper > >& reservedDescendants,
const css::uno::Reference< css::xml::wrapper::XXMLElementWrapper >& stopAtNode ) override;
virtual void SAL_CALL collapse( const css::uno::Reference<
css::xml::wrapper::XXMLElementWrapper >& node ) override;
virtual void SAL_CALL generateSAXEvents(
const css::uno::Reference< css::xml::sax::XDocumentHandler >& handler,
const css::uno::Reference< css::xml::sax::XDocumentHandler >& xEventKeeperHandler,
const css::uno::Reference< css::xml::wrapper::XXMLElementWrapper >& startNode,
const css::uno::Reference< css::xml::wrapper::XXMLElementWrapper >& endNode ) override;
virtual void SAL_CALL getTree(
const css::uno::Reference< css::xml::sax::XDocumentHandler >& handler ) override;
virtual void SAL_CALL rebuildIDLink(
const css::uno::Reference< css::xml::wrapper::XXMLElementWrapper >& node ) override;
/* css::xml::sax::XDocumentHandler */
virtual void SAL_CALL startDocument( ) override;
virtual void SAL_CALL endDocument( ) override;
virtual void SAL_CALL startElement(
const OUString& aName,
const css::uno::Reference< css::xml::sax::XAttributeList >& xAttribs ) override;
virtual void SAL_CALL endElement( const OUString& aName ) override;
virtual void SAL_CALL characters( const OUString& aChars ) override;
virtual void SAL_CALL ignorableWhitespace( const OUString& aWhitespaces ) override;
virtual void SAL_CALL processingInstruction( const OUString& aTarget, const OUString& aData ) override;
virtual void SAL_CALL setDocumentLocator( const css::uno::Reference< css::xml::sax::XLocator >& xLocator ) override;
/* css::xml::csax::XCompressedDocumentHandler */
virtual void SAL_CALL compressedStartDocument( ) override;
virtual void SAL_CALL compressedEndDocument( ) override;
virtual void SAL_CALL compressedStartElement(
const OUString& aName,
const css::uno::Sequence< css::xml::csax::XMLAttribute >& aAttributes ) override;
virtual void SAL_CALL compressedEndElement( const OUString& aName ) override;
virtual void SAL_CALL compressedCharacters( const OUString& aChars ) override;
virtual void SAL_CALL compressedIgnorableWhitespace( const OUString& aWhitespaces ) override;
virtual void SAL_CALL compressedProcessingInstruction( const OUString& aTarget, const OUString& aData ) override;
virtual void SAL_CALL compressedSetDocumentLocator(
sal_Int32 columnNumber,
sal_Int32 lineNumber,
const OUString& publicId,
const OUString& systemId ) override;
/* css::lang::XServiceInfo */
virtual OUString SAL_CALL getImplementationName( ) override;
virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames( ) override;
};
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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