1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 #ifndef _BYTE_GRABBER_HXX_ 24 #define _BYTE_GRABBER_HXX_ 25 26 #include <com/sun/star/uno/Sequence.h> 27 #include <com/sun/star/uno/Reference.h> 28 #include <com/sun/star/io/BufferSizeExceededException.hpp> 29 #include <com/sun/star/io/IOException.hpp> 30 #include <com/sun/star/io/NotConnectedException.hpp> 31 #include <com/sun/star/uno/RuntimeException.hpp> 32 #include <com/sun/star/lang/IllegalArgumentException.hpp> 33 34 #include <osl/mutex.hxx> 35 36 namespace com { namespace sun { namespace star { 37 namespace io { class XSeekable; class XInputStream; } 38 } } } 39 class ByteGrabber 40 { 41 protected: 42 ::osl::Mutex m_aMutex; 43 44 com::sun::star::uno::Reference < com::sun::star::io::XInputStream > xStream; 45 com::sun::star::uno::Reference < com::sun::star::io::XSeekable > xSeek; 46 com::sun::star::uno::Sequence < sal_Int8 > aSequence; 47 const sal_Int8 *pSequence; 48 49 public: 50 ByteGrabber (com::sun::star::uno::Reference < com::sun::star::io::XInputStream > xIstream); 51 ~ByteGrabber(); 52 53 void setInputStream (com::sun::star::uno::Reference < com::sun::star::io::XInputStream > xNewStream); 54 // XInputStream 55 sal_Int32 SAL_CALL readBytes( ::com::sun::star::uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead ) 56 throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException); 57 // XSeekable 58 sal_Int64 SAL_CALL seek( sal_Int64 location ) 59 throw(::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException); 60 sal_Int64 SAL_CALL getPosition( ) 61 throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException); 62 sal_Int64 SAL_CALL getLength( ) 63 throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException); 64 65 ByteGrabber& operator >> (sal_Int8& rInt8); 66 ByteGrabber& operator >> (sal_Int16& rInt16); 67 ByteGrabber& operator >> (sal_Int32& rInt32); 68 ByteGrabber& operator >> (sal_uInt8& ruInt8); 69 ByteGrabber& operator >> (sal_uInt16& ruInt16); 70 ByteGrabber& operator >> (sal_uInt32& ruInt32); 71 }; 72 73 #endif 74