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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include "dumpfilter.hxx"
#include <wrtsh.hxx>
#include <cppuhelper/supportsservice.hxx>
#include <docsh.hxx>
#include <rootfrm.hxx>
#include <unotxdoc.hxx>
#include <unotools/mediadescriptor.hxx>
#include <libxml/xmlwriter.h>
using namespace ::com::sun::star;
namespace
{
int writeCallback( void* pContext, const char* sBuffer, int nLen )
{
int written = nLen;
// Actually write bytes to XOutputSream
try
{
uno::XInterface* pObj = static_cast<uno::XInterface*>(pContext);
uno::Reference< io::XOutputStream > xOut( pObj, uno::UNO_QUERY_THROW );
// Don't output the terminating \0 to the xml or the file will be invalid
uno::Sequence< sal_Int8 > seq( nLen );
strncpy( reinterpret_cast<char *>(seq.getArray()), sBuffer, nLen );
xOut->writeBytes( seq );
}
catch (const uno::Exception&)
{
written = -1;
}
return written;
}
int closeCallback( void* pContext )
{
int result = 0;
try
{
uno::XInterface* pObj = static_cast<uno::XInterface*>(pContext);
uno::Reference< io::XOutputStream > xOut( pObj, uno::UNO_QUERY_THROW );
xOut->closeOutput( );
}
catch (const uno::Exception&)
{
result = -1;
}
return result;
}
}
namespace sw
{
LayoutDumpFilter::LayoutDumpFilter( )
{
}
LayoutDumpFilter::~LayoutDumpFilter( )
{
}
// XFilter
sal_Bool LayoutDumpFilter::filter( const uno::Sequence< beans::PropertyValue >& aDescriptor )
throw (uno::RuntimeException, std::exception)
{
bool bRet = false;
utl::MediaDescriptor aMediaDesc = aDescriptor;
// Get the output stream
uno::Reference< io::XOutputStream > xOut = aMediaDesc.getUnpackedValueOrDefault(
utl::MediaDescriptor::PROP_OUTPUTSTREAM(),
uno::Reference< io::XOutputStream >() );
// Actually get the SwRootFrm to call dumpAsXml
uno::Reference< lang::XUnoTunnel > xDocTunnel( m_xSrcDoc, uno::UNO_QUERY );
SwXTextDocument* pXDoc = UnoTunnelGetImplementation< SwXTextDocument >( xDocTunnel );
if ( pXDoc )
{
SwRootFrm* pLayout = pXDoc->GetDocShell()->GetWrtShell()->GetLayout();
// Get sure that the whole layout is processed: set a visible area
// even though there isn't any need of it
pXDoc->GetDocShell()->GetWrtShell()->StartAction();
Rectangle aRect( 0, 0, 26000, 21000 );
pXDoc->GetDocShell()->SetVisArea( aRect );
pLayout->InvalidateAllContent( );
pXDoc->GetDocShell()->GetWrtShell()->EndAction();
// Dump the layout XML into the XOutputStream
xmlOutputBufferPtr outBuffer = xmlOutputBufferCreateIO(
writeCallback, closeCallback, ( void* ) xOut.get(), NULL );
xmlTextWriterPtr writer = xmlNewTextWriter( outBuffer );
xmlTextWriterSetIndent(writer, 1);
xmlTextWriterStartDocument( writer, NULL, NULL, NULL );
// TODO This doesn't export the whole XML file, whereas dumpAsXML() does it nicely
pLayout->dumpAsXml( writer );
xmlTextWriterEndDocument( writer );
xmlFreeTextWriter( writer );
bRet = true;
}
return bRet;
}
void LayoutDumpFilter::cancel( ) throw (uno::RuntimeException, std::exception)
{
}
// XExporter
void LayoutDumpFilter::setSourceDocument( const uno::Reference< lang::XComponent >& xDoc )
throw (lang::IllegalArgumentException, uno::RuntimeException, std::exception)
{
m_xSrcDoc = xDoc;
}
// XInitialization
void LayoutDumpFilter::initialize( const uno::Sequence< uno::Any >& )
throw (uno::Exception, uno::RuntimeException, std::exception)
{
}
// XServiceInfo
OUString LayoutDumpFilter::getImplementationName( )
throw (uno::RuntimeException, std::exception)
{
return OUString( "com.sun.star.comp.Writer.LayoutDump" );
}
sal_Bool LayoutDumpFilter::supportsService( const OUString& rServiceName )
throw (uno::RuntimeException, std::exception)
{
return cppu::supportsService(this, rServiceName);
}
uno::Sequence< OUString > LayoutDumpFilter::getSupportedServiceNames()
throw (uno::RuntimeException, std::exception)
{
uno::Sequence< OUString > aSeq( 1 );
aSeq[0] = "com.sun.star.document.ExportFilter";
return aSeq;
}
} // Namespace sw
extern "C" SAL_DLLPUBLIC_EXPORT ::com::sun::star::uno::XInterface* SAL_CALL
com_sun_star_comp_Writer_LayoutDump_get_implementation(::com::sun::star::uno::XComponentContext*,
::com::sun::star::uno::Sequence<css::uno::Any> const &)
{
return cppu::acquire(new sw::LayoutDumpFilter());
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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