/*************************************************************************
 *
 *  OpenOffice.org - a multi-platform office productivity suite
 *
 *  $RCSfile: stringdefine.hxx,v $
 *
 *  $Revision: 1.4 $
 *
 *  last change: $Author: rt $ $Date: 2005-09-08 20:29:12 $
 *
 *  The Contents of this file are made available subject to
 *  the terms of GNU Lesser General Public License Version 2.1.
 *
 *
 *    GNU Lesser General Public License Version 2.1
 *    =============================================
 *    Copyright 2005 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
 *
 ************************************************************************/

#ifndef _EXTENSIONS_FORMSCTRLR_STRINGDEFINE_HXX_
#define _EXTENSIONS_FORMSCTRLR_STRINGDEFINE_HXX_

#ifndef _RTL_USTRING_HXX_
#include <rtl/ustring.hxx>
#endif
#ifndef _STRING_HXX
#include <tools/string.hxx>
#endif

//............................................................................
namespace pcr
{
//............................................................................

    //============================================================
    //= a helper for static ascii pseudo-unicode strings
    //============================================================
    struct ConstAsciiString
    {
        const sal_Char* ascii;
        sal_Int32       length;

        inline  operator const ::rtl::OUString& () const;
        inline  operator const sal_Char* () const { return ascii; }

        inline ConstAsciiString(const sal_Char* _pAsciiZeroTerminated, const sal_Int32 _nLength);
        inline ~ConstAsciiString();

    private:
        mutable ::rtl::OUString*    ustring;
    };

    //------------------------------------------------------------
    inline ConstAsciiString::ConstAsciiString(const sal_Char* _pAsciiZeroTerminated, const sal_Int32 _nLength)
        :ascii(_pAsciiZeroTerminated)
        ,length(_nLength)
        ,ustring(NULL)
    {
    }

    //------------------------------------------------------------
    inline ConstAsciiString::~ConstAsciiString()
    {
        delete ustring;
        ustring = NULL;
    }

    //------------------------------------------------------------
    inline ConstAsciiString::operator const ::rtl::OUString& () const
    {
        if (!ustring)
            ustring = new ::rtl::OUString(ascii, length, RTL_TEXTENCODING_ASCII_US);
        return *ustring;
    }

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

#define CONST_ASCII_LENGTH(c)   \
    (const sal_Char*)c, c.length()

    //============================================================
    //= concrete strings
    //============================================================
    #ifndef PCR_IMPLEMENT_STRINGS
    #define PCR_CONSTASCII_STRING(ident, string) extern const ConstAsciiString ident
    #else
    #define PCR_CONSTASCII_STRING(ident, string) extern const ConstAsciiString ident(string, sizeof(string)-1)
    #endif

//............................................................................
} // namespace pcr
//............................................................................

#endif // _EXTENSIONS_FORMSCTRLR_STRINGDEFINE_HXX_

