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systemstreamer.cpp

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//============================================================================= 
//
// XDFLengine library
//
//-----------------------------------------------------------------------------
//  SystemStreamer.CPP
//-----------------------------------------------------------------------------
//_____________________________________________________________________________
//
//  Copyright (C) 2003 Guillaume Baurand. All Rights Reserved.
//
//  This file is part of the XDFLengine project.
//
//  The XDFLengine is free software; you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation; either version 2 of the License, or
//  (at your option) any later version.
//
//  This program 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 General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with this program; if not, write to the Free Software
//  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
//  USA.
//
//  For more information, 
//      contact  : guillaume@baurand.net 
//      or visit : http://xdflengine.sourceforge.net
//
//============================================================================= 

#   include "flow/consumers/streamsax2parser.hpp"
#   include "processor/xmlflowcontext.hpp"
#   include "streamers/generic/saxstreamer.hpp"
#   include "systemstreamer.hpp"


BEGIN_XDFLENGINE_NS




//=============================================================================
//  CLASS SystemStreamerFactory
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

    XMLStreamer* SystemStreamerFactory::getStreamer(
        StreamerParams*         p_pParameters, 
        XMLFlowContext*         p_pStreamContext, 
        XMLStreamConsumer*      p_pStreamConsumer) const
    {
        SAXSystemHandler* l_pSaxSystemHandler;

        l_pSaxSystemHandler = new SAXSystemHandler(p_pStreamContext, p_pStreamConsumer);
        return (XMLStreamer*) new SaxStreamer( this, p_pParameters, p_pStreamContext, p_pStreamConsumer, l_pSaxSystemHandler, false);
    }

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//=============================================================================


//=============================================================================
//  CLASS SAXSystemHandler
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

    //_________________________________________________________________________
    //  SAXSystemHANDLER
    //-------------------------------------------------------------------------
    SAXSystemHandler::SAXSystemHandler(XMLFlowContext* p_pContext, XMLStreamConsumer* p_pStreamConsumer)
    {
        m_pStreamConsumer = p_pStreamConsumer;
        m_pContext = p_pContext;
        DEBUG_CREATE(SAXSystemHandler)
    }

    //_________________________________________________________________________
    //  ~SAXSystemHANDLER
    //-------------------------------------------------------------------------
    SAXSystemHandler::~SAXSystemHandler()
    {
        DEBUG_DEL(SAXSystemHandler)
    }


    //  CONTENTHANDLER  

    //____________________________________________________________________
    //  STARTELEMENT
    //--------------------------------------------------------------------
    void SAXSystemHandler::startElement(  const XMLCh* const uri,    const XMLCh* const localname,   const XMLCh* const qname, const Attributes& attrs)
    {
        //---------------------------------------------------------------------
        char        l_szTagName[XMLPROCESSOR_MAX_TAG_SIZE];
        //---------------------------------------------------------------------

        XSTR( m_pContext->getTranscoder(), localname, (char*) &l_szTagName);
        (*m_pStreamConsumer) << "<" << (char*) &l_szTagName << ">" ;
    }

    //_________________________________________________________________________
    //  CHARACTERS
    //-------------------------------------------------------------------------
    void SAXSystemHandler::characters(const XMLCh* const chars ,const unsigned int length)
    {
        //---------------------------------------------------------------------
        int l_iReturnValue;
        char* l_pszChars;
        char* l_pszTrimmedChars;
        //---------------------------------------------------------------------

        DEBUG_FUNC(SAXSystemHandler::characters)

        l_pszChars=XSTR( m_pContext->getTranscoder(), chars, length);
        l_pszTrimmedChars = trimCharBuffer( l_pszChars);
        l_pszChars = releaseCharBuffer( l_pszChars);

        if( strlen(l_pszTrimmedChars)>0 )
        {
            logout << "\t\t" << l_pszTrimmedChars << "->";
            l_iReturnValue=system(l_pszTrimmedChars);
            (*m_pStreamConsumer) << (long) l_iReturnValue ;
        }

        l_pszTrimmedChars = releaseCharBuffer( l_pszTrimmedChars);          
    }

    //____________________________________________________________________
    //  ENDELEMENT
    //--------------------------------------------------------------------
    void SAXSystemHandler::endElement   (  const XMLCh* const uri,   const XMLCh* const localname,   const XMLCh* const qname)
    {
        //---------------------------------------------------------------------
        char        l_szTagName[XMLPROCESSOR_MAX_TAG_SIZE];
        //---------------------------------------------------------------------

        XSTR(m_pContext->getTranscoder(), localname, (char*) &l_szTagName);
        (*m_pStreamConsumer) << "</" << (char*) &l_szTagName << ">\n";
    }

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//=============================================================================

END_XDFLENGINE_NS

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