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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_sc.hxx"



#include "scitems.hxx"
#include <editeng/scripttypeitem.hxx>

#include <com/sun/star/i18n/XBreakIterator.hpp>
#include <com/sun/star/i18n/ScriptType.hpp>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>

#include "document.hxx"
#include "cell.hxx"
#include "cellform.hxx"
#include "patattr.hxx"
#include "scrdata.hxx"
#include "poolhelp.hxx"

using namespace com::sun::star;

#define SC_BREAKITER_SERVICE	"com.sun.star.i18n.BreakIterator"

//
//	this file is compiled with exceptions enabled
//	put functions here that need exceptions!
//

// -----------------------------------------------------------------------

const uno::Reference< i18n::XBreakIterator >& ScDocument::GetBreakIterator()
{
    if ( !pScriptTypeData )
        pScriptTypeData = new ScScriptTypeData;
    if ( !pScriptTypeData->xBreakIter.is() )
    {
        uno::Reference< uno::XInterface > xInterface = xServiceManager->createInstance(
                            ::rtl::OUString::createFromAscii( SC_BREAKITER_SERVICE ) );
        pScriptTypeData->xBreakIter = uno::Reference< i18n::XBreakIterator >( xInterface, uno::UNO_QUERY );
        DBG_ASSERT( pScriptTypeData->xBreakIter.is(), "can't get BreakIterator" );
    }
    return pScriptTypeData->xBreakIter;
}

BOOL ScDocument::HasStringWeakCharacters( const String& rString )
{
    if (rString.Len())
    {
        uno::Reference<i18n::XBreakIterator> xBreakIter = GetBreakIterator();
        if ( xBreakIter.is() )
        {
            rtl::OUString aText = rString;
            sal_Int32 nLen = aText.getLength();

            sal_Int32 nPos = 0;
            do
            {
                sal_Int16 nType = xBreakIter->getScriptType( aText, nPos );
                if ( nType == i18n::ScriptType::WEAK )
                    return TRUE;							// found

                nPos = xBreakIter->endOfScript( aText, nPos, nType );
            }
            while ( nPos >= 0 && nPos < nLen );
        }
    }

    return FALSE;		// none found
}

BYTE ScDocument::GetStringScriptType( const String& rString )
{

    BYTE nRet = 0;
    if (rString.Len())
    {
        uno::Reference<i18n::XBreakIterator> xBreakIter = GetBreakIterator();
        if ( xBreakIter.is() )
        {
            rtl::OUString aText = rString;
            sal_Int32 nLen = aText.getLength();

            sal_Int32 nPos = 0;
            do
            {
                sal_Int16 nType = xBreakIter->getScriptType( aText, nPos );
                switch ( nType )
                {
                    case i18n::ScriptType::LATIN:
                        nRet |= SCRIPTTYPE_LATIN;
                        break;
                    case i18n::ScriptType::ASIAN:
                        nRet |= SCRIPTTYPE_ASIAN;
                        break;
                    case i18n::ScriptType::COMPLEX:
                        nRet |= SCRIPTTYPE_COMPLEX;
                        break;
                    // WEAK is ignored
                }
                nPos = xBreakIter->endOfScript( aText, nPos, nType );
            }
            while ( nPos >= 0 && nPos < nLen );
        }
    }
    return nRet;
}

BYTE ScDocument::GetCellScriptType( ScBaseCell* pCell, ULONG nNumberFormat )
{
    if ( !pCell )
        return 0;		// empty

    BYTE nStored = pCell->GetScriptType();
    if ( nStored != SC_SCRIPTTYPE_UNKNOWN )			// stored value valid?
        return nStored;								// use stored value

    String aStr;
    Color* pColor;
    ScCellFormat::GetString( pCell, nNumberFormat, aStr, &pColor, *xPoolHelper->GetFormTable() );

    BYTE nRet = GetStringScriptType( aStr );

    pCell->SetScriptType( nRet );		// store for later calls

    return nRet;
}

BYTE ScDocument::GetScriptType( SCCOL nCol, SCROW nRow, SCTAB nTab, ScBaseCell* pCell )
{
    // if cell is not passed, take from document

    if (!pCell)
    {
        pCell = GetCell( ScAddress( nCol, nRow, nTab ) );
        if ( !pCell )
            return 0;		// empty
    }

    // if script type is set, don't have to get number formats

    BYTE nStored = pCell->GetScriptType();
    if ( nStored != SC_SCRIPTTYPE_UNKNOWN )			// stored value valid?
        return nStored;								// use stored value

    // include number formats from conditional formatting

    const ScPatternAttr* pPattern = GetPattern( nCol, nRow, nTab );
    if (!pPattern) return 0;
    const SfxItemSet* pCondSet = NULL;
    if ( ((const SfxUInt32Item&)pPattern->GetItem(ATTR_CONDITIONAL)).GetValue() )
        pCondSet = GetCondResult( nCol, nRow, nTab );

    ULONG nFormat = pPattern->GetNumberFormat( xPoolHelper->GetFormTable(), pCondSet );
    return GetCellScriptType( pCell, nFormat );
}


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