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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: */