/**************************************************************
 * 
 * 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.
 * 
 *************************************************************/



#include <iostream>
#include <boost/shared_ptr.hpp>
#ifdef DEBUG_ELEMENT
#include "ooxmlLoggers.hxx"
#include <resourcemodel/Protocol.hxx>
#endif
#include "OOXMLFastDocumentHandler.hxx"
#include "OOXMLFastContextHandler.hxx"
#include "OOXMLFastTokens.hxx"
#include "OOXMLFactory.hxx"

namespace writerfilter {
namespace ooxml
{
using namespace ::com::sun::star;
using namespace ::std;


OOXMLFastDocumentHandler::OOXMLFastDocumentHandler(
    uno::Reference< uno::XComponentContext > const & context,
    Stream* pStream,
    OOXMLDocument* pDocument )
    : m_xContext(context)
    , mpStream( pStream )
#ifdef DEBUG_ELEMENT
    , mpTmpStream()
#endif
    , mpDocument( pDocument )
    , mpContextHandler()
{
#ifdef DEBUG_PROTOCOL
    if ( pStream )
    {
        mpTmpStream.reset( new StreamProtocol( pStream, debug_logger ) );
        mpStream = mpTmpStream.get();
    }
#endif
}

// ::com::sun::star::xml::sax::XFastContextHandler:
void SAL_CALL OOXMLFastDocumentHandler::startFastElement
(::sal_Int32 
#ifdef DEBUG_CONTEXT_STACK
Element
#endif
, const uno::Reference< xml::sax::XFastAttributeList > & /*Attribs*/) 
    throw (uno::RuntimeException, xml::sax::SAXException)
{
#ifdef DEBUG_CONTEXT_STACK
    clog << this << ":start element:" 
         << fastTokenToId(Element)
         << endl;
#endif
}

void SAL_CALL OOXMLFastDocumentHandler::startUnknownElement
(const ::rtl::OUString & 
#ifdef DEBUG_CONTEXT_STACK
Namespace
#endif
, const ::rtl::OUString & 
#ifdef DEBUG_CONTEXT_STACK
Name
#endif
, 
 const uno::Reference< xml::sax::XFastAttributeList > & /*Attribs*/) 
throw (uno::RuntimeException, xml::sax::SAXException)
{
#ifdef DEBUG_CONTEXT_STACK
    clog << this << ":start unknown element:" 
         << OUStringToOString(Namespace, RTL_TEXTENCODING_ASCII_US).getStr()
         << ":"
         << OUStringToOString(Name, RTL_TEXTENCODING_ASCII_US).getStr()
         << endl;
#endif
}

void SAL_CALL OOXMLFastDocumentHandler::endFastElement(::sal_Int32 
#ifdef DEBUG_CONTEXT_STACK
Element
#endif
) 
throw (uno::RuntimeException, xml::sax::SAXException)
{
#ifdef DEBUG_CONTEXT_STACK
    clog << this << ":end element:" 
         << fastTokenToId(Element)
         << endl;
#endif
}

void SAL_CALL OOXMLFastDocumentHandler::endUnknownElement
(const ::rtl::OUString & 
#ifdef DEBUG_CONTEXT_STACK
Namespace
#endif
, const ::rtl::OUString & 
#ifdef DEBUG_CONTEXT_STACK
Name
#endif
) 
throw (uno::RuntimeException, xml::sax::SAXException)
{
#ifdef DEBUG_CONTEXT_STACK
    clog << this << ":end unknown element:" 
         << OUStringToOString(Namespace, RTL_TEXTENCODING_ASCII_US).getStr()
         << ":"
         << OUStringToOString(Name, RTL_TEXTENCODING_ASCII_US).getStr()
         << endl;
#endif
}

OOXMLFastContextHandler::Pointer_t 
OOXMLFastDocumentHandler::getContextHandler() const
{
    if (mpContextHandler == OOXMLFastContextHandler::Pointer_t())
    {
        mpContextHandler.reset(
            new OOXMLFastContextHandler(m_xContext) );
        mpContextHandler->setStream(mpStream);
        mpContextHandler->setDocument(mpDocument);
        mpContextHandler->setForwardEvents(true);
    }

    return mpContextHandler;
}
    
uno::Reference< xml::sax::XFastContextHandler > SAL_CALL
 OOXMLFastDocumentHandler::createFastChildContext
(::sal_Int32 Element, 
 const uno::Reference< xml::sax::XFastAttributeList > & /*Attribs*/) 
    throw (uno::RuntimeException, xml::sax::SAXException)
{
#ifdef DEBUG_CONTEXT_STACK
    clog << this << ":createFastChildContext:" 
         << fastTokenToId(Element)
         << endl;
#endif

    if ( mpStream == 0 && mpDocument == 0 )
    {
        // document handler has been created as unknown child - see <OOXMLFastDocumentHandler::createUnknownChildContext(..)>
        // --> do not provide a child context
        return NULL;
    }

    return OOXMLFactory::getInstance()->createFastChildContextFromStart(getContextHandler().get(), Element);
}
    
uno::Reference< xml::sax::XFastContextHandler > SAL_CALL 
OOXMLFastDocumentHandler::createUnknownChildContext
(const ::rtl::OUString & 
#ifdef DEBUG_CONTEXT_STACK
Namespace
#endif
, 
 const ::rtl::OUString & 
#ifdef DEBUG_CONTEXT_STACK
Name
#endif
, const uno::Reference< xml::sax::XFastAttributeList > & /*Attribs*/) 
    throw (uno::RuntimeException, xml::sax::SAXException)
{
#ifdef DEBUG_CONTEXT_STACK
    clog << this << ":createUnknownChildContext:" 
         << OUStringToOString(Namespace, RTL_TEXTENCODING_ASCII_US).getStr()
         << ":"
         << OUStringToOString(Name, RTL_TEXTENCODING_ASCII_US).getStr()
         << endl;
#endif

    return uno::Reference< xml::sax::XFastContextHandler >
        ( new OOXMLFastDocumentHandler( m_xContext, 0, 0 ) );
}

void SAL_CALL OOXMLFastDocumentHandler::characters(const ::rtl::OUString & /*aChars*/) 
    throw (uno::RuntimeException, xml::sax::SAXException)
{
}

// ::com::sun::star::xml::sax::XFastDocumentHandler:
void SAL_CALL OOXMLFastDocumentHandler::startDocument() 
    throw (uno::RuntimeException, xml::sax::SAXException)
{
}

void SAL_CALL OOXMLFastDocumentHandler::endDocument() 
    throw (uno::RuntimeException, xml::sax::SAXException)
{
}

void SAL_CALL OOXMLFastDocumentHandler::setDocumentLocator
(const uno::Reference< xml::sax::XLocator > & /*xLocator*/) 
    throw (uno::RuntimeException, xml::sax::SAXException)
{
}

void OOXMLFastDocumentHandler::setIsSubstream( bool bSubstream )
{
    if ( mpStream != 0 && mpDocument != 0 )
    {
        getContextHandler( )->getParserState( )->setInSectionGroup( bSubstream );
    }
}

}}