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#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.
 *
 *   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;

    /*
     * whether inside a particular element
     */
    bool m_bInX509IssuerName;
    bool m_bInX509SerialNumber;
    bool m_bInX509Certificate;
    bool m_bInDigestValue;
    bool m_bInSignatureValue;
    bool m_bInDate;
    
    /*
     * 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	
    

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