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
|
/*************************************************************************
*
* $RCSfile: istream.hxx,v $
*
* $Revision: 1.1.1.1 $
*
* last change: $Author: hr $ $Date: 2000-09-18 15:18:12 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (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.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#ifndef _VOS_ISTREAM_HXX_
#define _VOS_ISTREAM_HXX_
#ifndef _VOS_TYPES_HXX_
# include <vos/types.hxx>
#endif
#ifdef _USE_NAMESPACE
namespace vos
{
#endif
/** Interface for a stream of data, on that you can read and write blocks of bytes.
*/
class IStream
{
public:
IStream() { }
virtual ~IStream() { }
/** Retrieve n bytes from the stream and copy them into pBuffer.
@param pBuffer receives the read data.
@param n the number of bytes to read. pBuffer must be large enough
to hold the n bytes!
@return the number of read bytes
*/
virtual sal_Int32 SAL_CALL read(void* pBuffer,
sal_uInt32 n) const= 0;
/** Write n bytes from pBuffer to the stream.
@param pBuffer contains the data to be written.
@param n the number of bytes to write.
@return the number of written bytes
*/
virtual sal_Int32 SAL_CALL write(const void* pBuffer,
sal_uInt32 n)= 0;
/** Checks if stream is closed for further reading.
@return True is stream has ended (e.g. was closed).
*/
virtual sal_Bool SAL_CALL isEof() const = 0;
};
#ifdef _USE_NAMESPACE
}
#endif
#endif // _VOS_ISTREAM_HXX_
|
