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 24 #ifndef SVTOOLS_STRMADPT_HXX 25 #define SVTOOLS_STRMADPT_HXX 26 27 #include "svl/svldllapi.h" 28 #include <com/sun/star/io/XInputStream.hpp> 29 #include <com/sun/star/io/XOutputStream.hpp> 30 #include <com/sun/star/io/XSeekable.hpp> 31 #include <cppuhelper/weak.hxx> 32 #include <tools/stream.hxx> 33 34 //============================================================================ 35 class SVL_DLLPUBLIC SvOutputStreamOpenLockBytes: public SvOpenLockBytes 36 { 37 com::sun::star::uno::Reference< com::sun::star::io::XOutputStream > 38 m_xOutputStream; 39 sal_uInt32 m_nPosition; 40 41 public: 42 TYPEINFO(); 43 SvOutputStreamOpenLockBytes(const com::sun::star::uno::Reference<com::sun::star::io::XOutputStream> & rTheOutputStream)44 SvOutputStreamOpenLockBytes( 45 const com::sun::star::uno::Reference< 46 com::sun::star::io::XOutputStream > & 47 rTheOutputStream): 48 m_xOutputStream(rTheOutputStream), m_nPosition(0) {} 49 50 virtual ErrCode ReadAt(sal_uLong, void *, sal_uLong, sal_uLong *) const; 51 52 virtual ErrCode WriteAt(sal_uLong nPos, const void * pBuffer, sal_uLong nCount, 53 sal_uLong * pWritten); 54 55 virtual ErrCode Flush() const; 56 57 virtual ErrCode SetSize(sal_uLong); 58 59 virtual ErrCode Stat(SvLockBytesStat * pStat, SvLockBytesStatFlag) const; 60 61 virtual ErrCode FillAppend(const void * pBuffer, sal_uLong nCount, 62 sal_uLong * pWritten); 63 64 virtual sal_uLong Tell() const; 65 66 virtual sal_uLong Seek(sal_uLong); 67 68 virtual void Terminate(); 69 }; 70 71 //============================================================================ 72 class SVL_DLLPUBLIC SvLockBytesInputStream: public cppu::OWeakObject, 73 public com::sun::star::io::XInputStream, 74 public com::sun::star::io::XSeekable 75 { 76 SvLockBytesRef m_xLockBytes; 77 sal_Int64 m_nPosition; 78 bool m_bDone; 79 80 public: SvLockBytesInputStream(SvLockBytes * pTheLockBytes)81 SvLockBytesInputStream(SvLockBytes * pTheLockBytes): 82 m_xLockBytes(pTheLockBytes), m_nPosition(0), m_bDone(false) {} 83 84 virtual com::sun::star::uno::Any SAL_CALL 85 queryInterface(const com::sun::star::uno::Type & rType) 86 throw (com::sun::star::uno::RuntimeException); 87 88 virtual void SAL_CALL acquire() throw(); 89 90 virtual void SAL_CALL release() throw(); 91 92 virtual sal_Int32 SAL_CALL 93 readBytes(com::sun::star::uno::Sequence< sal_Int8 > & rData, 94 sal_Int32 nBytesToRead) 95 throw (com::sun::star::io::IOException, 96 com::sun::star::uno::RuntimeException); 97 98 virtual sal_Int32 SAL_CALL 99 readSomeBytes(com::sun::star::uno::Sequence< sal_Int8 > & rData, 100 sal_Int32 nMaxBytesToRead) 101 throw (com::sun::star::io::IOException, 102 com::sun::star::uno::RuntimeException); 103 104 virtual void SAL_CALL skipBytes(sal_Int32 nBytesToSkip) 105 throw (com::sun::star::io::IOException, 106 com::sun::star::uno::RuntimeException); 107 108 virtual sal_Int32 SAL_CALL available() 109 throw (com::sun::star::io::IOException, 110 com::sun::star::uno::RuntimeException); 111 112 virtual void SAL_CALL closeInput() 113 throw (com::sun::star::io::IOException, 114 com::sun::star::uno::RuntimeException); 115 116 virtual void SAL_CALL seek(sal_Int64 nLocation) 117 throw (com::sun::star::lang::IllegalArgumentException, 118 com::sun::star::io::IOException, 119 com::sun::star::uno::RuntimeException); 120 121 virtual sal_Int64 SAL_CALL getPosition() 122 throw (com::sun::star::io::IOException, 123 com::sun::star::uno::RuntimeException); 124 125 virtual sal_Int64 SAL_CALL getLength() 126 throw (com::sun::star::io::IOException, 127 com::sun::star::uno::RuntimeException); 128 }; 129 130 #endif // SVTOOLS_STRMADPT_HXX 131 132