libreoffice/tools/source/string/strucvt.cxx

/*************************************************************************
 *
 *  $RCSfile: strucvt.cxx,v $
 *
 *  $Revision: 1.5 $
 *
 *  last change: $Author: obo $ $Date: 2005-01-03 17:09:12 $
 *
 *  The Contents of this file are made available subject to the terms of
 *  either of the following licenses
 *
 *         - GNU Lesser General Public License Version 2.1
 *         - Sun Industry Standards Source License Version 1.1
 *
 *  Sun Microsystems Inc., October, 2000
 *
 *  GNU Lesser General Public License Version 2.1
 *  =============================================
 *  Copyright 2000 by Sun Microsystems, Inc.
 *  901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License version 2.1, as published by the Free Software Foundation.
 *
 *  This library 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
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *  MA  02111-1307  USA
 *
 *
 *  Sun Industry Standards Source License Version 1.1
 *  =================================================
 *  The contents of this file are subject to the Sun Industry Standards
 *  Source License Version 1.1 (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.openoffice.org/license.html.
 *
 *  Software provided under this License is provided on an "AS IS" basis,
 *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
 *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
 *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
 *  See the License for the specific provisions governing your rights and
 *  obligations concerning the Software.
 *
 *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
 *
 *  Copyright: 2000 by Sun Microsystems, Inc.
 *
 *  All Rights Reserved.
 *
 *  Contributor(s): _______________________________________
 *
 *
 ************************************************************************/

// =======================================================================

void UniString::InitStringRes( const char* pUTF8Str, xub_StrLen nLen )
{
    DBG_CTOR( UniString, DbgCheckUniString );

    mpData = NULL;
    rtl_string2UString( (rtl_uString **)(&mpData),
                        pUTF8Str, nLen,
                        RTL_TEXTENCODING_UTF8,
                        RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_MAPTOPRIVATE |
                        RTL_TEXTTOUNICODE_FLAGS_MBUNDEFINED_DEFAULT |
                        RTL_TEXTTOUNICODE_FLAGS_INVALID_DEFAULT );
}

// =======================================================================

UniString::UniString( const ByteString& rByteStr, rtl_TextEncoding eTextEncoding, sal_uInt32 nCvtFlags )
{
    DBG_CTOR( UniString, DbgCheckUniString );
    DBG_CHKOBJ( &rByteStr, ByteString, DbgCheckByteString );

    mpData = NULL;
    rtl_string2UString( (rtl_uString **)(&mpData),
                        rByteStr.mpData->maStr, rByteStr.mpData->mnLen,
                        eTextEncoding, nCvtFlags );
}

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

UniString::UniString( const ByteString& rByteStr, xub_StrLen nPos, xub_StrLen nLen,
                      rtl_TextEncoding eTextEncoding, sal_uInt32 nCvtFlags )
{
    DBG_CTOR( UniString, DbgCheckUniString );
    DBG_CHKOBJ( &rByteStr, ByteString, DbgCheckByteString );

    // Stringlaenge ermitteln
    if ( nPos > rByteStr.mpData->mnLen )
        nLen = 0;
    else
    {
        // Laenge korrigieren, wenn noetig
        xub_StrLen nMaxLen = rByteStr.mpData->mnLen-nPos;
        if ( nLen > nMaxLen )
            nLen = nMaxLen;
    }

    mpData = NULL;
    rtl_string2UString( (rtl_uString **)(&mpData),
                        rByteStr.mpData->maStr+nPos, nLen,
                        eTextEncoding, nCvtFlags );
}

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

UniString::UniString( const char* pByteStr,
                      rtl_TextEncoding eTextEncoding, sal_uInt32 nCvtFlags )
{
    DBG_CTOR( UniString, DbgCheckUniString );
    DBG_ASSERT( pByteStr, "UniString::UniString() - pByteStr is NULL" );

    mpData = NULL;
    rtl_string2UString( (rtl_uString **)(&mpData),
                        pByteStr, ImplStringLen( pByteStr ),
                        eTextEncoding, nCvtFlags );
}

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

UniString::UniString( const char* pByteStr, xub_StrLen nLen,
                      rtl_TextEncoding eTextEncoding, sal_uInt32 nCvtFlags )
{
    DBG_CTOR( UniString, DbgCheckUniString );
    DBG_ASSERT( pByteStr, "UniString::UniString() - pByteStr is NULL" );

    if ( nLen == STRING_LEN )
        nLen = ImplStringLen( pByteStr );

    mpData = NULL;
    rtl_string2UString( (rtl_uString **)(&mpData),
                        pByteStr, nLen,
                        eTextEncoding, nCvtFlags );
}

// =======================================================================

UniString::UniString( const rtl::OUString& rStr )
{
    DBG_CTOR( UniString, DbgCheckUniString );

    OSL_ENSURE(rStr.pData->length < STRING_MAXLEN,
               "Overflowing rtl::OUString -> UniString cut to zero length");
    mpData = rStr.pData->length < STRING_MAXLEN
        ? reinterpret_cast< UniStringData * >(
            const_cast< rtl::OUString & >(rStr).pData)
        : &aImplEmptyStrData;
    ImplIncRefCount( mpData );
}

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

rtl::OUString::OUString( const UniString& rStr )
{
    pData = (rtl_uString*)rStr.mpData;
    rtl_uString_acquire( pData );
}

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

UniString& UniString::Assign( const rtl::OUString& rStr )
{
    DBG_CHKTHIS( UniString, DbgCheckUniString );

    OSL_ENSURE(rStr.pData->length < STRING_MAXLEN,
               "Overflowing rtl::OUString -> UniString cut to zero length");
    ImplDeleteData( mpData );
    mpData = rStr.pData->length < STRING_MAXLEN
        ? reinterpret_cast< UniStringData * >(
            const_cast< rtl::OUString & >(rStr).pData)
        : &aImplEmptyStrData;
    ImplIncRefCount( mpData );
    return *this;
}

// =======================================================================

#ifndef _TOOLS_RC_HXX
#include <rc.hxx>
#endif
#ifndef _TOOLS_RCID_H
#include <rcid.h>
#endif

UniString::UniString( const ResId& rResId )
{
    rResId.SetRT( RSC_STRING );
    ResMgr* pResMgr = rResId.GetResMgr();
    if ( !pResMgr )
        pResMgr = Resource::GetResManager();

    mpData = NULL;
    if ( pResMgr->GetResource( rResId ) )
    {
        // String laden
        RSHEADER_TYPE * pResHdr = (RSHEADER_TYPE*)pResMgr->GetClass();
        //sal_uInt32 nLen = pResHdr->GetLocalOff() - sizeof( RSHEADER_TYPE );

        sal_uInt32 nStringLen = strlen( (char*)(pResHdr+1) );
        InitStringRes( (const char*)(pResHdr+1), nStringLen );

        sal_uInt32 nSize = sizeof( RSHEADER_TYPE ) + nStringLen + 1;
        nSize += nSize % 2;
        pResMgr->Increment( nSize );
    }
    else
    {
        mpData = &aImplEmptyStrData;
        ImplIncRefCount( mpData );
        #if OSL_DEBUG_LEVEL > 0
        *this = UniString::CreateFromAscii( "<resource id " );
        Append( UniString::CreateFromInt32( rResId.GetId() ) );
        AppendAscii( " not found>" );
        #endif
    }


    ResHookProc pImplResHookProc = ResMgr::GetReadStringHook();
    if ( pImplResHookProc )
        pImplResHookProc( *this );
}