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| -rw-r--r-- | xmlsecurity/inc/xmlsec/xmldocumentwrapper_xmlsecimpl.hxx | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/xmlsecurity/inc/xmlsec/xmldocumentwrapper_xmlsecimpl.hxx b/xmlsecurity/inc/xmlsec/xmldocumentwrapper_xmlsecimpl.hxx new file mode 100644 index 000000000..8f5695d10 --- /dev/null +++ b/xmlsecurity/inc/xmlsec/xmldocumentwrapper_xmlsecimpl.hxx @@ -0,0 +1,208 @@ +/* -*- 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: */ |