xref: /AOO41X/main/tools/source/string/strucvt.cxx (revision cdf0e10c4e3984b49a9502b011690b615761d4a3)

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 *
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 * Copyright 2000, 2010 Oracle and/or its affiliates.
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
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 *
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 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
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// no include "precompiled_tools.hxx" because this is included in other cxx files.

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

void UniString::InitStringRes( const char* pUTF8Str, sal_Int32 nLen )
{
	DBG_CTOR( UniString, DbgCheckUniString );
    OSL_ENSURE(nLen <= STRING_MAXLEN, "Overflowing UniString");

	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
		sal_Int32 nMaxLen = rByteStr.mpData->mnLen-nPos;
		if ( nLen > nMaxLen )
			nLen = static_cast< xub_StrLen >(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 )
	: mpData(NULL)
{
	DBG_CTOR( UniString, DbgCheckUniString );

    OSL_ENSURE(rStr.pData->length < STRING_MAXLEN,
               "Overflowing rtl::OUString -> UniString cut to zero length");


	if (rStr.pData->length < STRING_MAXLEN)
	{
	    mpData = reinterpret_cast< UniStringData * >(const_cast< rtl::OUString & >(rStr).pData);
	    STRING_ACQUIRE((STRING_TYPE *)mpData);
	}
	else
	{
		STRING_NEW((STRING_TYPE **)&mpData);
	}
}

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

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");


	if (rStr.pData->length < STRING_MAXLEN)
	{
	    STRING_RELEASE((STRING_TYPE *)mpData);
	    mpData = reinterpret_cast< UniStringData * >(const_cast< rtl::OUString & >(rStr).pData);
	    STRING_ACQUIRE((STRING_TYPE *)mpData);
	}
	else
	{
		STRING_NEW((STRING_TYPE **)&mpData);
	}

	return *this;
}

UniString UniString::intern() const
{
    UniString aStr;

    rtl_uString_intern( reinterpret_cast<rtl_uString **>(&aStr.mpData),
                        (rtl_uString *)(mpData) );

    return aStr;
}

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

#include <tools/rc.hxx>
#include <tools/rcid.h>

UniString::UniString( const ResId& rResId )
{
    rResId.SetRT( RSC_STRING );
    ResMgr* pResMgr = rResId.GetResMgr();
    mpData = NULL;
    if ( pResMgr && pResMgr->GetResource( rResId ) )
    {
        // String laden
        RSHEADER_TYPE * pResHdr = (RSHEADER_TYPE*)pResMgr->GetClass();
        //sal_uInt32 nLen = pResHdr->GetLocalOff() - sizeof( RSHEADER_TYPE );

        sal_Int32 nStringLen = rtl_str_getLength( (char*)(pResHdr+1) );
        InitStringRes( (const char*)(pResHdr+1), nStringLen );

        sal_uInt32 nSize = sizeof( RSHEADER_TYPE )
            + sal::static_int_cast< sal_uInt32 >(nStringLen) + 1;
        nSize += nSize % 2;
        pResMgr->Increment( nSize );
    }
    else
    {
		STRING_NEW((STRING_TYPE **)&mpData);

#if OSL_DEBUG_LEVEL > 0
        *this = UniString::CreateFromAscii( "<resource id " );
        Append( UniString::CreateFromInt32( rResId.GetId() ) );
        AppendAscii( " not found>" );
#endif
        if( pResMgr )
            pResMgr->PopContext();
    }


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