/**************************************************************
 * 
 * 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
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/


#ifndef _XSEC_CTL_PARSER_HXX
#define _XSEC_CTL_PARSER_HXX

#include <xsecctl.hxx>

#include <com/sun/star/xml/sax/XParser.hpp>
#include <com/sun/star/lang/XInitialization.hpp>
#include <com/sun/star/xml/sax/XDocumentHandler.hpp>
#include <com/sun/star/xml/sax/XAttributeList.hpp>

#include <cppuhelper/implbase2.hxx>

class XSecParser: public cppu::WeakImplHelper2 
< 
	com::sun::star::xml::sax::XDocumentHandler,
	com::sun::star::lang::XInitialization
>
/****** XSecController.hxx/CLASS XSecParser ***********************************
 *
 *   NAME
 *	XSecParser -- a SAX parser that can detect security elements
 *
 *   FUNCTION
 *	The XSecParser object is connected on the SAX chain and detects 
 *	security elements in the SAX event stream, then notifies
 *	the XSecController.
 *
 *   HISTORY
 *	05.01.2004 -	Interface supported: XDocumentHandler, XInitialization
 *
 *   NOTES
 *	This class is used when importing a document.
 *
 *   AUTHOR
 *	Michael Mi
 *	Email: michael.mi@sun.com
 ******************************************************************************/
{
	friend class XSecController;
private:
	/*
	 * the following members are used to reserve the signature information,
	 * including X509IssuerName, X509SerialNumber, and X509Certificate,etc.
	 */
	rtl::OUString m_ouX509IssuerName;
	rtl::OUString m_ouX509SerialNumber;
	rtl::OUString m_ouX509Certificate;
	rtl::OUString m_ouDigestValue;
	rtl::OUString m_ouSignatureValue;
	rtl::OUString m_ouDate;
	//rtl::OUString m_ouTime;

	/*
	 * whether inside a particular element
	 */
	bool m_bInX509IssuerName;
	bool m_bInX509SerialNumber;
	bool m_bInX509Certificate;
	bool m_bInDigestValue;
	bool m_bInSignatureValue;
	bool m_bInDate;
	//bool m_bInTime;
	
	/*
	 * the XSecController collaborating with XSecParser
	 */
	XSecController* m_pXSecController;
	
	/*
	 * the next XDocumentHandler on the SAX chain
	 */
	com::sun::star::uno::Reference< 
		com::sun::star::xml::sax::XDocumentHandler > m_xNextHandler;

	/*
	 * this string is used to remember the current handled reference's URI,
	 *
	 * because it can be decided whether a stream reference is xml based or binary based
	 * only after the Transforms element is read in, so we have to reserve the reference's
	 * URI when the startElement event is met.
	 */
	rtl::OUString m_currentReferenceURI;
	bool m_bReferenceUnresolved; 

private:
	rtl::OUString getIdAttr(const com::sun::star::uno::Reference<
			com::sun::star::xml::sax::XAttributeList >& xAttribs );
	
public:
	XSecParser( XSecController* pXSecController, 
		const com::sun::star::uno::Reference<
			com::sun::star::xml::sax::XDocumentHandler >& xNextHandler );
	~XSecParser(){};
	
	/*
	 * XDocumentHandler 
	 */
	virtual void SAL_CALL startDocument(  )
		throw (com::sun::star::xml::sax::SAXException, com::sun::star::uno::RuntimeException);
		
	virtual void SAL_CALL endDocument(  )
		throw (com::sun::star::xml::sax::SAXException, com::sun::star::uno::RuntimeException);
		
	virtual void SAL_CALL startElement(
		const rtl::OUString& aName, 
		const com::sun::star::uno::Reference<
			com::sun::star::xml::sax::XAttributeList >& xAttribs )
		throw (com::sun::star::xml::sax::SAXException, com::sun::star::uno::RuntimeException);
		
	virtual void SAL_CALL endElement( const rtl::OUString& aName ) 
		throw (com::sun::star::xml::sax::SAXException, com::sun::star::uno::RuntimeException);
		
	virtual void SAL_CALL characters( const rtl::OUString& aChars )
		throw (com::sun::star::xml::sax::SAXException, com::sun::star::uno::RuntimeException);
		
	virtual void SAL_CALL ignorableWhitespace( const rtl::OUString& aWhitespaces )
		throw (com::sun::star::xml::sax::SAXException, com::sun::star::uno::RuntimeException);
		
	virtual void SAL_CALL processingInstruction(
		const rtl::OUString& aTarget,
		const rtl::OUString& aData )
		throw (com::sun::star::xml::sax::SAXException, com::sun::star::uno::RuntimeException);
		
	virtual void SAL_CALL setDocumentLocator(
		const com::sun::star::uno::Reference<
			com::sun::star::xml::sax::XLocator >& xLocator )
		throw (com::sun::star::xml::sax::SAXException, com::sun::star::uno::RuntimeException);
		
	/*
	 * XInitialization 
	 */
	virtual void SAL_CALL initialize(
		const com::sun::star::uno::Sequence< com::sun::star::uno::Any >& aArguments )
		throw(com::sun::star::uno::Exception, com::sun::star::uno::RuntimeException);
};
	
#endif