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k3iobuffer.h
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1 /* -*- C++ -*-
2  * Copyright (C) 2003,2005 Thiago Macieira <thiago@kde.org>
3  *
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining
6  * a copy of this software and associated documentation files (the
7  * "Software"), to deal in the Software without restriction, including
8  * without limitation the rights to use, copy, modify, merge, publish,
9  * distribute, sublicense, and/or sell copies of the Software, and to
10  * permit persons to whom the Software is furnished to do so, subject to
11  * the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included
14  * in all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
20  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
21  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
22  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23  */
24 
25 #ifndef KIOBUFFER_H
26 #define KIOBUFFER_H
27 
28 #include <kdecore_export.h>
29 #include <QtCore/QByteArray>
30 
31 
44 class KDECORE_EXPORT_DEPRECATED KIOBufferBase //krazy:exclude=inline (mainly virtual; simple implementations; KDE3 compat)
45 {
46 public:
50  KIOBufferBase()
51  { }
52 
56  KIOBufferBase(const KIOBufferBase& )
57  { }
58 
62  virtual ~KIOBufferBase()
63  { }
64 
68  KIOBufferBase& operator=(const KIOBufferBase& )
69  { return *this; }
70 
74  virtual bool canReadLine() const = 0;
75 
79  virtual qint64 readLine(char* data, qint64 maxlen) = 0;
80 
87  virtual qint64 length() const = 0;
88 
92  inline bool isEmpty() const
93  { return length() == 0; }
94 
101  virtual qint64 size() const = 0;
102 
106  inline bool isFull() const
107  { return size() != -1 && size() == length(); }
108 
116  virtual bool setSize(qint64 size) = 0;
117 
125  virtual qint64 feedBuffer(const char *data, qint64 len) = 0;
126 
135  virtual qint64 consumeBuffer(char *data, qint64 maxlen, bool discard = true) = 0;
136 
140  virtual void clear() = 0;
141 };
142 
143 #endif
qint64
kdecore_export.h
KIOBufferBase::KIOBufferBase
KIOBufferBase()
Default constructor.
Definition: k3iobuffer.h:50
KIOBufferBase::isFull
bool isFull() const
Returns true if the buffer is full (i.e., cannot receive more data)
Definition: k3iobuffer.h:106
KIOBufferBase::KIOBufferBase
KIOBufferBase(const KIOBufferBase &)
Copy constructor.
Definition: k3iobuffer.h:56
KIOBufferBase::isEmpty
bool isEmpty() const
Returns true if the buffer is empty of data.
Definition: k3iobuffer.h:92
KIOBufferBase
base for I/O buffer implementation
Definition: k3iobuffer.h:44
KIOBufferBase::~KIOBufferBase
virtual ~KIOBufferBase()
Virtual destructor.
Definition: k3iobuffer.h:62
KIOBufferBase::operator=
KIOBufferBase & operator=(const KIOBufferBase &)
Assignment operator.
Definition: k3iobuffer.h:68
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