KDE 3.5 API Reference KDECore
kiobuffer.h
Go to the documentation of this file.00001 /* -*- C++ -*- 00002 * Copyright (C) 2003 Thiago Macieira <thiago.macieira@kdemail.net> 00003 * 00004 * 00005 * Permission is hereby granted, free of charge, to any person obtaining 00006 * a copy of this software and associated documentation files (the 00007 * "Software"), to deal in the Software without restriction, including 00008 * without limitation the rights to use, copy, modify, merge, publish, 00009 * distribute, sublicense, and/or sell copies of the Software, and to 00010 * permit persons to whom the Software is furnished to do so, subject to 00011 * the following conditions: 00012 * 00013 * The above copyright notice and this permission notice shall be included 00014 * in all copies or substantial portions of the Software. 00015 * 00016 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 00017 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 00018 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 00019 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 00020 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 00021 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 00022 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 00023 */ 00024 00025 #ifndef KIOBUFFER_H 00026 #define KIOBUFFER_H 00027 00028 #include <qcstring.h> 00029 00030 #include <kdelibs_export.h> 00031 00032 class QIODevice; 00033 00045 class KIOBufferBase 00046 { 00047 public: 00051 KIOBufferBase() 00052 { } 00053 00057 KIOBufferBase(const KIOBufferBase& ) 00058 { } 00059 00063 virtual ~KIOBufferBase() 00064 { } 00065 00069 KIOBufferBase& operator=(const KIOBufferBase& ) 00070 { return *this; } 00071 00075 virtual bool canReadLine() const = 0; 00076 00080 virtual QCString readLine() = 0; 00081 00088 virtual Q_LONG length() const = 0; 00089 00093 inline bool isEmpty() const 00094 { return length() == 0; } 00095 00102 virtual Q_LONG size() const = 0; 00103 00107 inline bool isFull() const 00108 { return size() != -1 && size() == length(); } 00109 00117 virtual bool setSize(Q_LONG size) = 0; 00118 00126 virtual Q_LONG feedBuffer(const char *data, Q_LONG len) = 0; 00127 00136 virtual Q_LONG consumeBuffer(char *data, Q_LONG maxlen, bool discard = true) = 0; 00137 00141 virtual void clear() = 0; 00142 }; 00143 00144 #endif
