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diff --git a/offapi/com/sun/star/xml/crypto/sax/XSAXEventKeeper.idl b/offapi/com/sun/star/xml/crypto/sax/XSAXEventKeeper.idl
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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+//i20156 - new file for xmlsecurity module
+
+/** -- idl definition -- **/
+
+#ifndef __com_sun_star_xml_crypto_sax_xsaxeventkeeper_idl_
+#define __com_sun_star_xml_crypto_sax_xsaxeventkeeper_idl_
+
+#include <com/sun/star/uno/XInterface.idl>
+#include <com/sun/star/uno/Exception.idl>
+#include <com/sun/star/xml/sax/XDocumentHandler.idl>
+
+#include <com/sun/star/xml/wrapper/XXMLDocumentWrapper.idl>
+#include <com/sun/star/xml/wrapper/XXMLElementWrapper.idl>
+
+module com { module sun { module star { module xml { module crypto { module sax {
+
+/**
+ * Interface of SAX Event Keeper.
+ * <p>
+ * This interface is used to manipulate element marks in a SAX event stream.
+ * <p>
+ * There are two kinds of element mark, one is element collector, which is
+ * used to collect a particular element from the SAX event stream; the other
+ * is blocker, which is used to block the SAX event stream.
+ */
+interface XSAXEventKeeper : com::sun::star::uno::XInterface
+{
+    /**
+     * Adds a new element collector on the next element in the SAX event
+     * stream.
+     *
+     * @return   the keeper id of the new element collector
+     */
+    long addElementCollector();
+
+    /**
+     * Removes an element collector.
+     *
+     * @param id   the keeper id of the element collector to be removed
+     */
+    void removeElementCollector([in] long id);
+
+    /**
+     * Adds a new blocker on the next element in the SAX event stream.
+     * <p>
+     * No SAX event starting from the next element will be forwarded until
+     * this blocker is removed.
+     *
+     * @return   the keeper id of the new blocker
+     */
+    long addBlocker();
+
+    /**
+     * Removes a blocker
+     *
+     * @param id   the keeper id of the blocker to be removed
+     */
+    void removeBlocker([in] long id);
+
+    /**
+     * Checks whether the SAX event stream is blocking.
+     *
+     * @return   <code>true</code> if blocking, <code>false</code> otherwise
+     */
+    boolean isBlocking();
+
+    /**
+     * Gets the element of an element mark.
+     *
+     * @param id   the keeper id of the element mark, it can be a element
+     *             collector or a blocker
+     */
+    com::sun::star::xml::wrapper::XXMLElementWrapper getElement([in] long id);
+
+    /**
+     * Sets the element of an element mark.
+     * <p>
+     * When an element is replaced outside of this interface, then uses this method
+     * can restore the link between an element mark and its working element.
+     *
+     * @param id         the keeper id of the element mark to be set
+     * @param aElement   the new element for this element mark.
+     */
+    void setElement(
+        [in] long id,
+        [in] com::sun::star::xml::wrapper::XXMLElementWrapper aElement);
+
+    /**
+     * Sets the next document handler in the SAX chain.
+     * <p>
+     * This handler will receive SAX events forwarded by the SAXEventKeeper.
+     *
+     * @param nextHandler   the next handler in the SAX chain
+     * @return              the old next handler
+     */
+    com::sun::star::xml::sax::XDocumentHandler setNextHandler(
+        [in] com::sun::star::xml::sax::XDocumentHandler nextHandler);
+
+    /**
+     * Prints information about all bufferred elements.
+     *
+     * @return   a tree-style string including all buffer informtion
+     */
+    string printBufferNodeTree();
+
+    /**
+     * Gets the element which current blocking happens.
+     * <p>
+     * This element is the working element of the first blocker in tree order.
+     *
+     * @return   the current blocking element
+     */
+    com::sun::star::xml::wrapper::XXMLElementWrapper getCurrentBlockingNode();
+};
+
+} ; } ; } ; } ; } ; } ;
+
+
+#endif
+