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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 : : #include "unotools/unotoolsdllapi.h"
20 : :
21 : : #ifndef _UTL_STREAM_WRAPPER_HXX_
22 : : #define _UTL_STREAM_WRAPPER_HXX_
23 : : #include <osl/mutex.hxx>
24 : : #include <com/sun/star/io/XOutputStream.hpp>
25 : : #include <com/sun/star/io/XInputStream.hpp>
26 : : #include <com/sun/star/io/XSeekable.hpp>
27 : : #include <com/sun/star/io/XTruncate.hpp>
28 : : #include <com/sun/star/io/XStream.hpp>
29 : : #include <cppuhelper/implbase3.hxx>
30 : : #include <cppuhelper/implbase1.hxx>
31 : :
32 : : class SvStream;
33 : :
34 : : namespace utl
35 : : {
36 : : namespace stario = ::com::sun::star::io;
37 : : namespace staruno = ::com::sun::star::uno;
38 : :
39 : : //==================================================================
40 : : //= OInputStreamWrapper
41 : : //==================================================================
42 : : typedef ::cppu::WeakImplHelper1 < stario::XInputStream
43 : : > InputStreamWrapper_Base;
44 : : // needed for some compilers
45 : : /// helper class for wrapping an SvStream into an <type scope="com.sun.star.io">XInputStream</type>
46 : : class UNOTOOLS_DLLPUBLIC OInputStreamWrapper : public InputStreamWrapper_Base
47 : : {
48 : : protected:
49 : : ::osl::Mutex m_aMutex;
50 : : SvStream* m_pSvStream;
51 : : sal_Bool m_bSvStreamOwner : 1;
52 : 722 : OInputStreamWrapper()
53 [ + - ]: 722 : { m_pSvStream = 0; m_bSvStreamOwner = sal_False; }
54 : 722 : void SetStream(SvStream* _pStream, sal_Bool bOwner )
55 : 722 : { m_pSvStream = _pStream; m_bSvStreamOwner = bOwner; }
56 : :
57 : : public:
58 : : OInputStreamWrapper(SvStream& _rStream);
59 : : OInputStreamWrapper(SvStream* pStream, sal_Bool bOwner=sal_False);
60 : : virtual ~OInputStreamWrapper();
61 : :
62 : : // stario::XInputStream
63 : : virtual sal_Int32 SAL_CALL readBytes(staruno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead) throw(stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException);
64 : : virtual sal_Int32 SAL_CALL readSomeBytes(staruno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead) throw(stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException);
65 : : virtual void SAL_CALL skipBytes(sal_Int32 nBytesToSkip) throw(stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException);
66 : : virtual sal_Int32 SAL_CALL available() throw(stario::NotConnectedException, staruno::RuntimeException);
67 : : virtual void SAL_CALL closeInput() throw(stario::NotConnectedException, staruno::RuntimeException);
68 : :
69 : : protected:
70 : : /// throws a NotConnectedException if the object is not connected anymore
71 : : void checkConnected() const;
72 : : /// throws an exception according to the error flag of m_pSvStream
73 : : void checkError() const;
74 : : };
75 : :
76 : : //==================================================================
77 : : //= OSeekableInputStreamWrapper
78 : : //==================================================================
79 : : typedef ::cppu::ImplHelper1 < ::com::sun::star::io::XSeekable
80 : : > OSeekableInputStreamWrapper_Base;
81 : : /** helper class for wrapping an SvStream into an <type scope="com.sun.star.io">XInputStream</type>
82 : : which is seekable (i.e. supports the <type scope="com.sun.star.io">XSeekable</type> interface).
83 : : */
84 [ - + ]: 1213 : class UNOTOOLS_DLLPUBLIC OSeekableInputStreamWrapper : public ::cppu::ImplInheritanceHelper1 < OInputStreamWrapper, com::sun::star::io::XSeekable >
85 : : {
86 : : protected:
87 : 225 : OSeekableInputStreamWrapper() {}
88 : : public:
89 : : OSeekableInputStreamWrapper(SvStream& _rStream);
90 : : OSeekableInputStreamWrapper(SvStream* _pStream, sal_Bool _bOwner = sal_False);
91 : :
92 : : // XSeekable
93 : : virtual void SAL_CALL seek( sal_Int64 _nLocation ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
94 : : virtual sal_Int64 SAL_CALL getPosition( ) throw (::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
95 : : virtual sal_Int64 SAL_CALL getLength( ) throw (::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
96 : : };
97 : :
98 : : //==================================================================
99 : : //= OOutputStreamWrapper
100 : : //==================================================================
101 : : typedef ::cppu::WeakImplHelper1<stario::XOutputStream> OutputStreamWrapper_Base;
102 : : // needed for some compilers
103 : : class OOutputStreamWrapper : public OutputStreamWrapper_Base
104 : : {
105 : : public:
106 : : UNOTOOLS_DLLPUBLIC OOutputStreamWrapper(SvStream& _rStream);
107 : :
108 : : protected:
109 : : virtual ~OOutputStreamWrapper();
110 : :
111 : : // stario::XOutputStream
112 : : virtual void SAL_CALL writeBytes(const staruno::Sequence< sal_Int8 >& aData) throw(stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException);
113 : : virtual void SAL_CALL flush() throw(stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException);
114 : : virtual void SAL_CALL closeOutput() throw(stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException);
115 : :
116 : : /// throws an exception according to the error flag of m_pSvStream
117 : : void checkError() const;
118 : :
119 : : // TODO: thread safety!
120 : : SvStream& rStream;
121 : : };
122 : :
123 : : //==================================================================
124 : : //= OSeekableOutputStreamWrapper
125 : : //==================================================================
126 : : typedef ::cppu::ImplHelper1 < ::com::sun::star::io::XSeekable
127 : : > OSeekableOutputStreamWrapper_Base;
128 : : /** helper class for wrapping an SvStream into an <type scope="com.sun.star.io">XOutputStream</type>
129 : : which is seekable (i.e. supports the <type scope="com.sun.star.io">XSeekable</type> interface).
130 : : */
131 : : class OSeekableOutputStreamWrapper
132 : : :public OOutputStreamWrapper
133 : : ,public OSeekableOutputStreamWrapper_Base
134 : : {
135 : : public:
136 : : UNOTOOLS_DLLPUBLIC OSeekableOutputStreamWrapper(SvStream& _rStream);
137 : :
138 : : private:
139 : : virtual ~OSeekableOutputStreamWrapper();
140 : :
141 : : // disambiguate XInterface
142 : : virtual ::com::sun::star::uno::Any SAL_CALL queryInterface( const ::com::sun::star::uno::Type& _rType ) throw (::com::sun::star::uno::RuntimeException);
143 : : virtual void SAL_CALL acquire( ) throw ();
144 : : virtual void SAL_CALL release( ) throw ();
145 : :
146 : : // XSeekable
147 : : virtual void SAL_CALL seek( sal_Int64 _nLocation ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
148 : : virtual sal_Int64 SAL_CALL getPosition( ) throw (::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
149 : : virtual sal_Int64 SAL_CALL getLength( ) throw (::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
150 : : };
151 : :
152 [ - + ]: 450 : class UNOTOOLS_DLLPUBLIC OStreamWrapper : public ::cppu::ImplInheritanceHelper3 < OSeekableInputStreamWrapper, com::sun::star::io::XStream, com::sun::star::io::XOutputStream, com::sun::star::io::XTruncate >
153 : : {
154 : : public:
155 : : OStreamWrapper(SvStream& _rStream);
156 : :
157 : : // stario::XStream
158 : : virtual ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL getInputStream( ) throw (::com::sun::star::uno::RuntimeException);
159 : : virtual ::com::sun::star::uno::Reference< ::com::sun::star::io::XOutputStream > SAL_CALL getOutputStream( ) throw (::com::sun::star::uno::RuntimeException);
160 : :
161 : : // stario::XOutputStream
162 : : virtual void SAL_CALL writeBytes(const staruno::Sequence< sal_Int8 >& aData) throw(stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException);
163 : : virtual void SAL_CALL flush() throw(stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException);
164 : : virtual void SAL_CALL closeOutput() throw(stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException);
165 : : virtual void SAL_CALL truncate() throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
166 : : };
167 : :
168 : : }
169 : : // namespace utl
170 : :
171 : : #endif // _UTL_STREAM_WRAPPER_HXX_
172 : :
173 : : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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