1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ 2 /* 3 * This file is part of the LibreOffice project. 4 * 5 * This Source Code Form is subject to the terms of the Mozilla Public 6 * License, v. 2.0. If a copy of the MPL was not distributed with this 7 * file, You can obtain one at http://mozilla.org/MPL/2.0/. 8 * 9 * This file incorporates work covered by the following license notice: 10 * 11 * Licensed to the Apache Software Foundation (ASF) under one or more 12 * contributor license agreements. See the NOTICE file distributed 13 * with this work for additional information regarding copyright 14 * ownership. The ASF licenses this file to you under the Apache 15 * License, Version 2.0 (the "License"); you may not use this file 16 * except in compliance with the License. You may obtain a copy of 17 * the License at http://www.apache.org/licenses/LICENSE-2.0 . 18 */ 19 #ifndef INCLUDED_PACKAGE_INC_BYTECHUCKER_HXX 20 #define INCLUDED_PACKAGE_INC_BYTECHUCKER_HXX 21 22 #include <com/sun/star/uno/Sequence.h> 23 #include <com/sun/star/uno/Reference.h> 24 #include <com/sun/star/io/BufferSizeExceededException.hpp> 25 #include <com/sun/star/io/IOException.hpp> 26 #include <com/sun/star/io/NotConnectedException.hpp> 27 #include <com/sun/star/uno/RuntimeException.hpp> 28 #include <com/sun/star/lang/IllegalArgumentException.hpp> 29 30 namespace com { namespace sun { namespace star { 31 namespace io { class XSeekable; class XOutputStream; } 32 } } } 33 class ByteChucker final 34 { 35 css::uno::Reference < css::io::XOutputStream > xStream; 36 css::uno::Reference < css::io::XSeekable > xSeek; 37 css::uno::Sequence < sal_Int8 > a2Sequence, a4Sequence; 38 sal_Int8 * const p2Sequence, * const p4Sequence; 39 40 public: 41 ByteChucker (css::uno::Reference<css::io::XOutputStream> const & xOstream); 42 ~ByteChucker(); 43 44 /// @throws css::io::NotConnectedException 45 /// @throws css::io::BufferSizeExceededException 46 /// @throws css::io::IOException 47 /// @throws css::uno::RuntimeException 48 void WriteBytes( const css::uno::Sequence< sal_Int8 >& aData ); 49 50 /// @throws css::io::IOException 51 /// @throws css::uno::RuntimeException 52 sal_Int64 GetPosition(); 53 WriteInt16(sal_Int16 nInt16)54 void WriteInt16(sal_Int16 nInt16) 55 { 56 p2Sequence[0] = static_cast< sal_Int8 >((nInt16 >> 0 ) & 0xFF); 57 p2Sequence[1] = static_cast< sal_Int8 >((nInt16 >> 8 ) & 0xFF); 58 WriteBytes( a2Sequence ); 59 } 60 WriteInt32(sal_Int32 nInt32)61 void WriteInt32(sal_Int32 nInt32) 62 { 63 p4Sequence[0] = static_cast< sal_Int8 >((nInt32 >> 0 ) & 0xFF); 64 p4Sequence[1] = static_cast< sal_Int8 >((nInt32 >> 8 ) & 0xFF); 65 p4Sequence[2] = static_cast< sal_Int8 >((nInt32 >> 16 ) & 0xFF); 66 p4Sequence[3] = static_cast< sal_Int8 >((nInt32 >> 24 ) & 0xFF); 67 WriteBytes( a4Sequence ); 68 } 69 WriteUInt32(sal_uInt32 nuInt32)70 void WriteUInt32(sal_uInt32 nuInt32) 71 { 72 p4Sequence[0] = static_cast < sal_Int8 > ((nuInt32 >> 0 ) & 0xFF); 73 p4Sequence[1] = static_cast < sal_Int8 > ((nuInt32 >> 8 ) & 0xFF); 74 p4Sequence[2] = static_cast < sal_Int8 > ((nuInt32 >> 16 ) & 0xFF); 75 p4Sequence[3] = static_cast < sal_Int8 > ((nuInt32 >> 24 ) & 0xFF); 76 WriteBytes( a4Sequence ); 77 } 78 }; 79 80 #endif 81 82 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ 83