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 // MARKER(update_precomp.py): autogen include statement, do not remove 29*cdf0e10cSrcweir #include "precompiled_toolkit.hxx" 30*cdf0e10cSrcweir 31*cdf0e10cSrcweir 32*cdf0e10cSrcweir #include <toolkit/helper/unomemorystream.hxx> 33*cdf0e10cSrcweir #include <algorithm> 34*cdf0e10cSrcweir 35*cdf0e10cSrcweir // ---------------------------------------------------- 36*cdf0e10cSrcweir // class UnoMemoryStream 37*cdf0e10cSrcweir // ---------------------------------------------------- 38*cdf0e10cSrcweir UnoMemoryStream::UnoMemoryStream( sal_uInt32 nInitSize, sal_uInt32 nInitResize ) 39*cdf0e10cSrcweir : SvMemoryStream( nInitSize, nInitResize ) 40*cdf0e10cSrcweir { 41*cdf0e10cSrcweir } 42*cdf0e10cSrcweir 43*cdf0e10cSrcweir // ::com::sun::star::uno::XInterface 44*cdf0e10cSrcweir ::com::sun::star::uno::Any UnoMemoryStream::queryInterface( const ::com::sun::star::uno::Type & rType ) throw(::com::sun::star::uno::RuntimeException) 45*cdf0e10cSrcweir { 46*cdf0e10cSrcweir ::com::sun::star::uno::Any aRet = ::cppu::queryInterface( rType, 47*cdf0e10cSrcweir SAL_STATIC_CAST( ::com::sun::star::io::XInputStream*, this ) ); 48*cdf0e10cSrcweir return (aRet.hasValue() ? aRet : OWeakObject::queryInterface( rType )); 49*cdf0e10cSrcweir } 50*cdf0e10cSrcweir 51*cdf0e10cSrcweir 52*cdf0e10cSrcweir // ::com::sun::star::io::XInputStream 53*cdf0e10cSrcweir sal_Int32 UnoMemoryStream::readBytes( ::com::sun::star::uno::Sequence< sal_Int8 >& rData, sal_Int32 nBytesToRead ) throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException) 54*cdf0e10cSrcweir { 55*cdf0e10cSrcweir ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() ); 56*cdf0e10cSrcweir 57*cdf0e10cSrcweir sal_Int32 nRead = available(); 58*cdf0e10cSrcweir if ( nRead > nBytesToRead ) 59*cdf0e10cSrcweir nRead = nBytesToRead; 60*cdf0e10cSrcweir 61*cdf0e10cSrcweir rData = ::com::sun::star::uno::Sequence< sal_Int8 >( nRead ); 62*cdf0e10cSrcweir Read( rData.getArray(), nRead ); 63*cdf0e10cSrcweir 64*cdf0e10cSrcweir return nRead; 65*cdf0e10cSrcweir } 66*cdf0e10cSrcweir 67*cdf0e10cSrcweir sal_Int32 UnoMemoryStream::readSomeBytes( ::com::sun::star::uno::Sequence< sal_Int8 >& rData, sal_Int32 nMaxBytesToRead ) throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException) 68*cdf0e10cSrcweir { 69*cdf0e10cSrcweir ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() ); 70*cdf0e10cSrcweir 71*cdf0e10cSrcweir sal_Int32 nAvailable = available(); 72*cdf0e10cSrcweir if( nAvailable ) 73*cdf0e10cSrcweir { 74*cdf0e10cSrcweir return readBytes( rData, std::min( nMaxBytesToRead , nAvailable ) ); 75*cdf0e10cSrcweir } 76*cdf0e10cSrcweir else 77*cdf0e10cSrcweir { 78*cdf0e10cSrcweir // Not the most effective method, but it sticks to the specification 79*cdf0e10cSrcweir return readBytes( rData, 1 ); 80*cdf0e10cSrcweir } 81*cdf0e10cSrcweir } 82*cdf0e10cSrcweir 83*cdf0e10cSrcweir void UnoMemoryStream::skipBytes( sal_Int32 nBytesToSkip ) throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException) 84*cdf0e10cSrcweir { 85*cdf0e10cSrcweir ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() ); 86*cdf0e10cSrcweir 87*cdf0e10cSrcweir SeekRel( nBytesToSkip ); 88*cdf0e10cSrcweir } 89*cdf0e10cSrcweir 90*cdf0e10cSrcweir sal_Int32 UnoMemoryStream::available() throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException) 91*cdf0e10cSrcweir { 92*cdf0e10cSrcweir ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() ); 93*cdf0e10cSrcweir 94*cdf0e10cSrcweir sal_uInt32 nStreamPos = Tell(); 95*cdf0e10cSrcweir sal_uInt32 nEnd = Seek( STREAM_SEEK_TO_END ); 96*cdf0e10cSrcweir Seek( nStreamPos ); 97*cdf0e10cSrcweir return nEnd - nStreamPos; 98*cdf0e10cSrcweir } 99*cdf0e10cSrcweir 100*cdf0e10cSrcweir void UnoMemoryStream::closeInput() throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException) 101*cdf0e10cSrcweir { 102*cdf0e10cSrcweir // nothing to do 103*cdf0e10cSrcweir } 104*cdf0e10cSrcweir 105*cdf0e10cSrcweir 106*cdf0e10cSrcweir 107*cdf0e10cSrcweir 108*cdf0e10cSrcweir 109