AOO410/main/sfx2/source/doc/docfilt.cxx

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 * 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
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 *   http://www.apache.org/licenses/LICENSE-2.0
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 * software distributed under the License is distributed on an
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_sfx2.hxx"

// INCLUDE ---------------------------------------------------------------

#ifdef SOLARIS
// HACK: prevent conflict between STLPORT and Workshop headers on Solaris 8
#include <ctime>
#endif

#include <string> // HACK: prevent conflict between STLPORT and Workshop headers
#include <sot/exchange.hxx>
#include <comphelper/processfactory.hxx>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/container/XNameAccess.hpp>

#include <sfx2/docfac.hxx>
#include <sfx2/docfilt.hxx>
#include "fltfnc.hxx"
#include <sfx2/sfxuno.hxx>
#include <sfx2/objsh.hxx>

using namespace ::com::sun::star;

// STATIC DATA -----------------------------------------------------------

DBG_NAME(SfxFilter)

SfxFilter::SfxFilter(  const String &rName,
					   const String &rWildCard,
					   SfxFilterFlags nType,
					   sal_uInt32 lFmt,
					   const String &rTypNm,
					   sal_uInt16 nIcon,
					   const String &rMimeType,
					   const String &rUsrDat,
					   const String &rServiceName ):
	aWildCard(rWildCard, ';'),
	lFormat(lFmt),
	aTypeName(rTypNm),
	aUserData(rUsrDat),
	nFormatType(nType),
	nDocIcon(nIcon),
	aServiceName( rServiceName ),
	aMimeType( rMimeType ),
	aFilterName( rName )
{
	String aExts = GetWildcard()();
	String aShort, aLong;
	String aRet;
    sal_uInt16 nMaxLength = USHRT_MAX;
	String aTest;
	sal_uInt16 nPos = 0;
	while( ( aRet = aExts.GetToken( nPos++, ';' ) ).Len() )
	{
		aTest = aRet;
		aTest.SearchAndReplace( DEFINE_CONST_UNICODE( "*." ), String() );
		if( aTest.Len() <= nMaxLength )
		{
			if( aShort.Len() ) aShort += ';';
			aShort += aRet;
		}
		else
		{
			if( aLong.Len() ) aLong += ';';
			aLong += aRet;
		}
	}
	if( aShort.Len() && aLong.Len() )
	{
		aShort += ';';
		aShort += aLong;
	}
	aWildCard = aShort;

    nVersion = SOFFICE_FILEFORMAT_50;
	aUIName = aFilterName;
}

SfxFilter::~SfxFilter()
{
}

String SfxFilter::GetDefaultExtension() const
{
	return GetWildcard()().GetToken( 0, ';' );
}

String SfxFilter::GetSuffixes() const
{
	String aRet = GetWildcard()();
	while( aRet.SearchAndReplaceAscii( "*.", String() ) != STRING_NOTFOUND ) ;
	while( aRet.SearchAndReplace( ';', ',' ) != STRING_NOTFOUND ) ;
	return aRet;
}

const SfxFilter* SfxFilter::GetDefaultFilter( const String& rName )
{
	return SfxFilterContainer::GetDefaultFilter_Impl( rName );
}

const SfxFilter* SfxFilter::GetDefaultFilterFromFactory( const String& rFact )
{
	return GetDefaultFilter( SfxObjectShell::GetServiceNameFromFactory( rFact ) );
}

const SfxFilter* SfxFilter::GetFilterByName( const String& rName )
{
	SfxFilterMatcher aMatch;
	return aMatch.GetFilter4FilterName( rName, 0, 0 );
}

String SfxFilter::GetTypeFromStorage( const SotStorage& rStg )
{
	const char* pType=0;
	if ( rStg.IsStream( String::CreateFromAscii( RTL_CONSTASCII_STRINGPARAM( "WordDocument" ) ) ) )
	{
		if ( rStg.IsStream( String::CreateFromAscii("0Table" ) ) || rStg.IsStream( String::CreateFromAscii("1Table" ) ) )
			pType = "writer_MS_Word_97";
		else
		    pType = "writer_MS_Word_95";
	}
	else if ( rStg.IsStream( String::CreateFromAscii( RTL_CONSTASCII_STRINGPARAM( "Book" ) ) ) )
	{
		pType = "calc_MS_Excel_95";
	}
	else if ( rStg.IsStream( String::CreateFromAscii( RTL_CONSTASCII_STRINGPARAM( "Workbook" ) ) ) )
	{
		pType = "calc_MS_Excel_97";
	}
	else if ( rStg.IsStream( String::CreateFromAscii( RTL_CONSTASCII_STRINGPARAM( "PowerPoint Document" ) ) ) )
	{
		pType = "impress_MS_PowerPoint_97";
	}
	else if ( rStg.IsStream( String::CreateFromAscii( RTL_CONSTASCII_STRINGPARAM( "Equation Native" ) ) ) )
	{
		pType = "math_MathType_3x";
	}
	else
	{
		sal_Int32 nClipId = ((SotStorage&)rStg).GetFormat();
		if ( nClipId )
		{
            const SfxFilter* pFilter = SfxFilterMatcher().GetFilter4ClipBoardId( nClipId );
			if ( pFilter )
				return pFilter->GetTypeName();
		}
	}

	return pType ? String::CreateFromAscii(pType) : String();
}

String SfxFilter::GetTypeFromStorage( const com::sun::star::uno::Reference< com::sun::star::embed::XStorage >& xStorage, sal_Bool bTemplate,
										String* pFilterName )
		throw ( beans::UnknownPropertyException,
				lang::WrappedTargetException,
				uno::RuntimeException )
{
    SfxFilterMatcher aMatcher;
	const char* pType=0;
    String aName;
    if ( pFilterName )
    {
        aName = *pFilterName;
        pFilterName->Erase();
    }

	com::sun::star::uno::Reference< com::sun::star::beans::XPropertySet > xProps( xStorage, com::sun::star::uno::UNO_QUERY );
    if ( xProps.is() )
    {
        ::rtl::OUString aMediaType;
        xProps->getPropertyValue( ::rtl::OUString::createFromAscii( "MediaType" ) ) >>= aMediaType;
        if ( aMediaType.getLength() )
        {
            ::com::sun::star::datatransfer::DataFlavor aDataFlavor;
            aDataFlavor.MimeType = aMediaType;
            sal_uInt32 nClipId = SotExchange::GetFormat( aDataFlavor );
            if ( nClipId )
            {
                SfxFilterFlags nMust = SFX_FILTER_IMPORT, nDont = SFX_FILTER_NOTINSTALLED;
                if ( bTemplate )
                    // template filter was preselected, try to verify
                    nMust |= SFX_FILTER_TEMPLATEPATH;
                else
                    // template filters shouldn't be detected if not explicitly asked for
                    nDont |= SFX_FILTER_TEMPLATEPATH;

                const SfxFilter* pFilter = 0;
                if ( aName.Len() )
                    // get preselected Filter if it matches the desired filter flags
                    pFilter = aMatcher.GetFilter4FilterName( aName, nMust, nDont );

                if ( !pFilter || pFilter->GetFormat() != nClipId )
                {
                    // get filter from storage MediaType
                    pFilter = aMatcher.GetFilter4ClipBoardId( nClipId, nMust, nDont );
                    if ( !pFilter )
                        // template filter is asked for , but there isn't one; so at least the "normal" format should be detected
                        // or storage *is* a template, but bTemplate is not set
                        pFilter = aMatcher.GetFilter4ClipBoardId( nClipId );
                }

                if ( pFilter )
                {
                    if ( pFilterName )
                        *pFilterName = pFilter->GetName();
                    return pFilter->GetTypeName();
                }
            }
        }
    }

    //TODO: do it without SfxFilter
    //TODO/LATER: don't yield FilterName, should be done in FWK!
    String aRet;
    if ( pType )
    {
        aRet = String::CreateFromAscii(pType);
        if ( pFilterName )
            *pFilterName = aMatcher.GetFilter4EA( aRet )->GetName();
    }

    return aRet;
}