1*cdf0e10cSrcweir /************************************************************************* 2*cdf0e10cSrcweir * 3*cdf0e10cSrcweir * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4*cdf0e10cSrcweir * 5*cdf0e10cSrcweir * Copyright 2000, 2010 Oracle and/or its affiliates. 6*cdf0e10cSrcweir * 7*cdf0e10cSrcweir * OpenOffice.org - a multi-platform office productivity suite 8*cdf0e10cSrcweir * 9*cdf0e10cSrcweir * This file is part of OpenOffice.org. 10*cdf0e10cSrcweir * 11*cdf0e10cSrcweir * OpenOffice.org is free software: you can redistribute it and/or modify 12*cdf0e10cSrcweir * it under the terms of the GNU Lesser General Public License version 3 13*cdf0e10cSrcweir * only, as published by the Free Software Foundation. 14*cdf0e10cSrcweir * 15*cdf0e10cSrcweir * OpenOffice.org is distributed in the hope that it will be useful, 16*cdf0e10cSrcweir * but WITHOUT ANY WARRANTY; without even the implied warranty of 17*cdf0e10cSrcweir * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18*cdf0e10cSrcweir * GNU Lesser General Public License version 3 for more details 19*cdf0e10cSrcweir * (a copy is included in the LICENSE file that accompanied this code). 20*cdf0e10cSrcweir * 21*cdf0e10cSrcweir * You should have received a copy of the GNU Lesser General Public License 22*cdf0e10cSrcweir * version 3 along with OpenOffice.org. If not, see 23*cdf0e10cSrcweir * <http://www.openoffice.org/license.html> 24*cdf0e10cSrcweir * for a copy of the LGPLv3 License. 25*cdf0e10cSrcweir * 26*cdf0e10cSrcweir ************************************************************************/ 27*cdf0e10cSrcweir 28*cdf0e10cSrcweir #ifndef _AUTO_BUFFER_HXX_ 29*cdf0e10cSrcweir #define _AUTO_BUFFER_HXX_ 30*cdf0e10cSrcweir 31*cdf0e10cSrcweir //------------------------------------------------------------------------ 32*cdf0e10cSrcweir // includes 33*cdf0e10cSrcweir //------------------------------------------------------------------------ 34*cdf0e10cSrcweir 35*cdf0e10cSrcweir #include <sal/types.h> 36*cdf0e10cSrcweir 37*cdf0e10cSrcweir #ifndef _RTL_USTRING_HXX_ 38*cdf0e10cSrcweir #include <rtl/ustring> 39*cdf0e10cSrcweir #endif 40*cdf0e10cSrcweir 41*cdf0e10cSrcweir //------------------------------------------------------------- 42*cdf0e10cSrcweir // A simple unicode buffer management class, the class itself 43*cdf0e10cSrcweir // is responsible for the allocated unicode buffer, any 44*cdf0e10cSrcweir // modification of the buffer size outside the class may lead 45*cdf0e10cSrcweir // to undefined behaviour 46*cdf0e10cSrcweir //------------------------------------------------------------- 47*cdf0e10cSrcweir 48*cdf0e10cSrcweir class CAutoUnicodeBuffer 49*cdf0e10cSrcweir { 50*cdf0e10cSrcweir public: 51*cdf0e10cSrcweir 52*cdf0e10cSrcweir // if bLazyCreation is true the buffer will be created 53*cdf0e10cSrcweir // when someone wants to fill the buffer 54*cdf0e10cSrcweir CAutoUnicodeBuffer( size_t size, sal_Bool bLazyCreation = sal_False ); 55*cdf0e10cSrcweir ~CAutoUnicodeBuffer( ); 56*cdf0e10cSrcweir 57*cdf0e10cSrcweir // resizes the buffer 58*cdf0e10cSrcweir sal_Bool SAL_CALL resize( size_t new_size ); 59*cdf0e10cSrcweir 60*cdf0e10cSrcweir // zeros the buffer 61*cdf0e10cSrcweir void SAL_CALL empty( ); 62*cdf0e10cSrcweir 63*cdf0e10cSrcweir // fills the buffer with a given content 64*cdf0e10cSrcweir sal_Bool SAL_CALL fill( const sal_Unicode* pContent, size_t nLen ); 65*cdf0e10cSrcweir 66*cdf0e10cSrcweir // returns the size of the buffer 67*cdf0e10cSrcweir size_t SAL_CALL size( ) const; 68*cdf0e10cSrcweir 69*cdf0e10cSrcweir // conversion operator 70*cdf0e10cSrcweir operator sal_Unicode*( ); 71*cdf0e10cSrcweir 72*cdf0e10cSrcweir // address operator 73*cdf0e10cSrcweir sal_Unicode* operator&( ); 74*cdf0e10cSrcweir 75*cdf0e10cSrcweir const sal_Unicode* operator&( ) const; 76*cdf0e10cSrcweir 77*cdf0e10cSrcweir private: 78*cdf0e10cSrcweir void SAL_CALL init( ); 79*cdf0e10cSrcweir 80*cdf0e10cSrcweir private: 81*cdf0e10cSrcweir size_t m_buffSize; // the number of unicode chars 82*cdf0e10cSrcweir sal_Unicode* m_pBuff; 83*cdf0e10cSrcweir }; 84*cdf0e10cSrcweir 85*cdf0e10cSrcweir #endif 86