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_BYTEGRABBER_HXX 20 #define INCLUDED_PACKAGE_INC_BYTEGRABBER_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 #include <osl/mutex.hxx> 31 32 namespace com { namespace sun { namespace star { 33 namespace io { class XSeekable; class XInputStream; } 34 } } } 35 class ByteGrabber final 36 { 37 ::osl::Mutex m_aMutex; 38 39 css::uno::Reference < css::io::XInputStream > xStream; 40 css::uno::Reference < css::io::XSeekable > xSeek; 41 css::uno::Sequence < sal_Int8 > aSequence; 42 const sal_Int8 *pSequence; 43 44 public: 45 ByteGrabber (css::uno::Reference < css::io::XInputStream > const & xIstream); 46 ~ByteGrabber(); 47 48 void setInputStream (const css::uno::Reference < css::io::XInputStream >& xNewStream); 49 // XInputStream 50 /// @throws css::io::NotConnectedException 51 /// @throws css::io::BufferSizeExceededException 52 /// @throws css::io::IOException 53 /// @throws css::uno::RuntimeException 54 sal_Int32 readBytes( css::uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead ); 55 // XSeekable 56 /// @throws css::lang::IllegalArgumentException 57 /// @throws css::io::IOException 58 /// @throws css::uno::RuntimeException 59 void seek( sal_Int64 location ); 60 /// @throws css::io::IOException 61 /// @throws css::uno::RuntimeException 62 sal_Int64 getPosition( ); 63 /// @throws css::io::IOException 64 /// @throws css::uno::RuntimeException 65 sal_Int64 getLength( ); 66 67 sal_uInt16 ReadUInt16(); 68 sal_uInt32 ReadUInt32(); ReadInt16()69 sal_Int16 ReadInt16() 70 { 71 return static_cast<sal_Int16>(ReadUInt16()); 72 } ReadInt32()73 sal_Int32 ReadInt32() 74 { 75 return static_cast<sal_Int32>(ReadUInt32()); 76 } 77 }; 78 79 #endif 80 81 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ 82