1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <sal/config.h>
#include <com/sun/star/io/BufferSizeExceededException.hpp>
#include <com/sun/star/io/NotConnectedException.hpp>
#include <comphelper/oslfile2streamwrap.hxx>
#include <algorithm>
namespace comphelper
{
using namespace osl;
OSLInputStreamWrapper::OSLInputStreamWrapper( File& _rFile )
: m_pFile(&_rFile)
{
}
OSLInputStreamWrapper::~OSLInputStreamWrapper()
{
}
sal_Int32 SAL_CALL OSLInputStreamWrapper::readBytes(css::uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead)
{
if (!m_pFile)
throw css::io::NotConnectedException(OUString(), static_cast<css::uno::XWeak*>(this));
if (nBytesToRead < 0)
throw css::io::BufferSizeExceededException(OUString(),static_cast<css::uno::XWeak*>(this));
::osl::MutexGuard aGuard( m_aMutex );
aData.realloc(nBytesToRead);
sal_uInt64 nRead = 0;
FileBase::RC eError = m_pFile->read(static_cast<void*>(aData.getArray()), nBytesToRead, nRead);
if (eError != FileBase::E_None)
throw css::io::BufferSizeExceededException(OUString(),static_cast<css::uno::XWeak*>(this));
// Wenn gelesene Zeichen < MaxLength, css::uno::Sequence anpassen
if (nRead < (sal_uInt32)nBytesToRead)
aData.realloc( sal::static_int_cast< sal_Int32 >(nRead) );
return sal::static_int_cast< sal_Int32 >(nRead);
}
sal_Int32 SAL_CALL OSLInputStreamWrapper::readSomeBytes(css::uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead)
{
if (!m_pFile)
throw css::io::NotConnectedException(OUString(), static_cast<css::uno::XWeak*>(this));
if (nMaxBytesToRead < 0)
throw css::io::BufferSizeExceededException(OUString(),static_cast<css::uno::XWeak*>(this));
return readBytes(aData, nMaxBytesToRead);
}
void SAL_CALL OSLInputStreamWrapper::skipBytes(sal_Int32 nBytesToSkip)
{
::osl::MutexGuard aGuard( m_aMutex );
if (!m_pFile)
throw css::io::NotConnectedException(OUString(), static_cast<css::uno::XWeak*>(this));
sal_uInt64 nCurrentPos;
m_pFile->getPos(nCurrentPos);
sal_uInt64 nNewPos = nCurrentPos + nBytesToSkip;
FileBase::RC eError = m_pFile->setPos(osl_Pos_Absolut, nNewPos);
if (eError != FileBase::E_None)
{
throw css::io::NotConnectedException(OUString(), static_cast<css::uno::XWeak*>(this));
}
}
sal_Int32 SAL_CALL OSLInputStreamWrapper::available()
{
::osl::MutexGuard aGuard( m_aMutex );
if (!m_pFile)
throw css::io::NotConnectedException(OUString(), static_cast<css::uno::XWeak*>(this));
sal_uInt64 nPos;
FileBase::RC eError = m_pFile->getPos(nPos);
if (eError != FileBase::E_None)
throw css::io::NotConnectedException(OUString(), static_cast<css::uno::XWeak*>(this));
sal_uInt64 nDummy = 0;
eError = m_pFile->setPos(osl_Pos_End, nDummy);
if (eError != FileBase::E_None)
throw css::io::NotConnectedException(OUString(),static_cast<css::uno::XWeak*>(this));
sal_uInt64 nAvailable;
eError = m_pFile->getPos(nAvailable);
if (eError != FileBase::E_None)
throw css::io::NotConnectedException(OUString(),static_cast<css::uno::XWeak*>(this));
nAvailable = nAvailable - nPos;
eError = m_pFile->setPos(osl_Pos_Absolut, nPos);
if (eError != FileBase::E_None)
throw css::io::NotConnectedException(OUString(),static_cast<css::uno::XWeak*>(this));
return sal::static_int_cast< sal_Int32 >(
std::max(nAvailable, sal::static_int_cast< sal_uInt64 >(SAL_MAX_INT32)));
}
void SAL_CALL OSLInputStreamWrapper::closeInput()
{
if (!m_pFile)
throw css::io::NotConnectedException(OUString(), static_cast<css::uno::XWeak*>(this));
m_pFile->close();
m_pFile = nullptr;
}
/*************************************************************************/
// css::io::XOutputStream
OSLOutputStreamWrapper::OSLOutputStreamWrapper(osl::File & _rFile):
rFile(_rFile)
{}
OSLOutputStreamWrapper::~OSLOutputStreamWrapper() {}
void SAL_CALL OSLOutputStreamWrapper::writeBytes(const css::uno::Sequence< sal_Int8 >& aData)
{
sal_uInt64 nWritten;
FileBase::RC eError = rFile.write(aData.getConstArray(),aData.getLength(), nWritten);
if (eError != FileBase::E_None
|| nWritten != sal::static_int_cast< sal_uInt32 >(aData.getLength()))
{
throw css::io::BufferSizeExceededException(OUString(),static_cast<css::uno::XWeak*>(this));
}
}
void SAL_CALL OSLOutputStreamWrapper::flush()
{
}
void SAL_CALL OSLOutputStreamWrapper::closeOutput()
{
rFile.close();
}
} // namespace comphelper
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
