Line data Source code
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 INCLUDED_UNOTOOLS_STREAMWRAP_HXX
22 : #define INCLUDED_UNOTOOLS_STREAMWRAP_HXX
23 :
24 : #include <osl/mutex.hxx>
25 : #include <com/sun/star/io/XOutputStream.hpp>
26 : #include <com/sun/star/io/XInputStream.hpp>
27 : #include <com/sun/star/io/XSeekable.hpp>
28 : #include <com/sun/star/io/XTruncate.hpp>
29 : #include <com/sun/star/io/XStream.hpp>
30 : #include <cppuhelper/implbase3.hxx>
31 : #include <cppuhelper/implbase1.hxx>
32 :
33 : class SvStream;
34 :
35 : namespace utl
36 : {
37 : namespace stario = ::com::sun::star::io;
38 : namespace staruno = ::com::sun::star::uno;
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 com.sun.star.io::XInputStream
46 : class UNOTOOLS_DLLPUBLIC OInputStreamWrapper : public InputStreamWrapper_Base
47 : {
48 : protected:
49 : ::osl::Mutex m_aMutex;
50 : SvStream* m_pSvStream;
51 : bool m_bSvStreamOwner : 1;
52 0 : OInputStreamWrapper()
53 0 : { m_pSvStream = 0; m_bSvStreamOwner = false; }
54 0 : void SetStream(SvStream* _pStream, bool bOwner )
55 0 : { m_pSvStream = _pStream; m_bSvStreamOwner = bOwner; }
56 :
57 : public:
58 : OInputStreamWrapper(SvStream& _rStream);
59 : OInputStreamWrapper(SvStream* pStream, bool bOwner=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, std::exception) SAL_OVERRIDE;
64 : virtual sal_Int32 SAL_CALL readSomeBytes(staruno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead) throw(stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException, std::exception) SAL_OVERRIDE;
65 : virtual void SAL_CALL skipBytes(sal_Int32 nBytesToSkip) throw(stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException, std::exception) SAL_OVERRIDE;
66 : virtual sal_Int32 SAL_CALL available() throw(stario::NotConnectedException, staruno::RuntimeException, std::exception) SAL_OVERRIDE;
67 : virtual void SAL_CALL closeInput() throw(stario::NotConnectedException, staruno::RuntimeException, std::exception) SAL_OVERRIDE;
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 : //= OSeekableInputStreamWrapper
77 :
78 : typedef ::cppu::ImplHelper1 < ::com::sun::star::io::XSeekable
79 : > OSeekableInputStreamWrapper_Base;
80 : /** helper class for wrapping an SvStream into an com.sun.star.io::XInputStream
81 : which is seekable (i.e. supports the com.sun.star.io::XSeekable interface).
82 : */
83 0 : class UNOTOOLS_DLLPUBLIC OSeekableInputStreamWrapper : public ::cppu::ImplInheritanceHelper1 < OInputStreamWrapper, com::sun::star::io::XSeekable >
84 : {
85 : protected:
86 0 : OSeekableInputStreamWrapper() {}
87 : public:
88 : OSeekableInputStreamWrapper(SvStream& _rStream);
89 : OSeekableInputStreamWrapper(SvStream* _pStream, bool _bOwner = false);
90 :
91 : // XSeekable
92 : virtual void SAL_CALL seek( sal_Int64 _nLocation ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
93 : virtual sal_Int64 SAL_CALL getPosition( ) throw (::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
94 : virtual sal_Int64 SAL_CALL getLength( ) throw (::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
95 : };
96 :
97 : //= OOutputStreamWrapper
98 :
99 : typedef ::cppu::WeakImplHelper1<stario::XOutputStream> OutputStreamWrapper_Base;
100 : // needed for some compilers
101 : class OOutputStreamWrapper : public OutputStreamWrapper_Base
102 : {
103 : public:
104 : UNOTOOLS_DLLPUBLIC OOutputStreamWrapper(SvStream& _rStream);
105 :
106 : protected:
107 : virtual ~OOutputStreamWrapper();
108 :
109 : // stario::XOutputStream
110 : virtual void SAL_CALL writeBytes(const staruno::Sequence< sal_Int8 >& aData) throw(stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException, std::exception) SAL_OVERRIDE;
111 : virtual void SAL_CALL flush() throw(stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException, std::exception) SAL_OVERRIDE;
112 : virtual void SAL_CALL closeOutput() throw(stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException, std::exception) SAL_OVERRIDE;
113 :
114 : /// throws an exception according to the error flag of m_pSvStream
115 : void checkError() const;
116 :
117 : // TODO: thread safety!
118 : SvStream& rStream;
119 : };
120 :
121 : //= OSeekableOutputStreamWrapper
122 :
123 : typedef ::cppu::ImplHelper1 < ::com::sun::star::io::XSeekable
124 : > OSeekableOutputStreamWrapper_Base;
125 : /** helper class for wrapping an SvStream into an com.sun.star.io::XOutputStream
126 : which is seekable (i.e. supports the com.sun.star.io::XSeekable interface).
127 : */
128 : class OSeekableOutputStreamWrapper
129 : :public OOutputStreamWrapper
130 : ,public OSeekableOutputStreamWrapper_Base
131 : {
132 : public:
133 : UNOTOOLS_DLLPUBLIC OSeekableOutputStreamWrapper(SvStream& _rStream);
134 :
135 : private:
136 : virtual ~OSeekableOutputStreamWrapper();
137 :
138 : // disambiguate XInterface
139 : virtual ::com::sun::star::uno::Any SAL_CALL queryInterface( const ::com::sun::star::uno::Type& _rType ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
140 : virtual void SAL_CALL acquire( ) throw () SAL_OVERRIDE;
141 : virtual void SAL_CALL release( ) throw () SAL_OVERRIDE;
142 :
143 : // XSeekable
144 : virtual void SAL_CALL seek( sal_Int64 _nLocation ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
145 : virtual sal_Int64 SAL_CALL getPosition( ) throw (::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
146 : virtual sal_Int64 SAL_CALL getLength( ) throw (::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
147 : };
148 :
149 0 : class UNOTOOLS_DLLPUBLIC OStreamWrapper : public ::cppu::ImplInheritanceHelper3 < OSeekableInputStreamWrapper, com::sun::star::io::XStream, com::sun::star::io::XOutputStream, com::sun::star::io::XTruncate >
150 : {
151 : public:
152 : OStreamWrapper(SvStream& _rStream);
153 :
154 : // stario::XStream
155 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL getInputStream( ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
156 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::io::XOutputStream > SAL_CALL getOutputStream( ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
157 :
158 : // stario::XOutputStream
159 : virtual void SAL_CALL writeBytes(const staruno::Sequence< sal_Int8 >& aData) throw(stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException, std::exception) SAL_OVERRIDE;
160 : virtual void SAL_CALL flush() throw(stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException, std::exception) SAL_OVERRIDE;
161 : virtual void SAL_CALL closeOutput() throw(stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException, std::exception) SAL_OVERRIDE;
162 : virtual void SAL_CALL truncate() throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
163 : };
164 :
165 : }
166 : // namespace utl
167 :
168 : #endif // INCLUDED_UNOTOOLS_STREAMWRAP_HXX
169 :
170 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
