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ByteArrayInputStream.h

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00001 /*
00002  * Copyright (c) 2004 Beeyond Software Holding BV
00003  *
00004  * This library is free software; you can redistribute it and/or
00005  * modify it under the terms of the GNU Lesser General Public
00006  * License as published by the Free Software Foundation; either
00007  * version 2.1 of the License, or (at your option) any later version.
00008  *
00009  * This library is distributed in the hope that it will be useful,
00010  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012  * Lesser General Public License for more details.
00013  *
00014  * You should have received a copy of the GNU Lesser General Public
00015  * License along with this library; if not, write to the Free Software
00016  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00017  */
00018 
00023 #ifndef _CLASS_BYTEARRAYINPUTSTREAM_H
00024 #define _CLASS_BYTEARRAYINPUTSTREAM_H
00025 
00026 #ifdef __cplusplus
00027 
00028 #include "beecrypt/c++/array.h"
00029 using beecrypt::bytearray;
00030 #include "beecrypt/c++/mutex.h"
00031 using beecrypt::mutex;
00032 #include "beecrypt/c++/io/InputStream.h"
00033 using beecrypt::io::InputStream;
00034 
00035 namespace beecrypt {
00036     namespace io {
00039         class BEECRYPTCXXAPI ByteArrayInputStream : public InputStream
00040         {
00041         private:
00042             mutex _lock;
00043 
00044         protected:
00045             bytearray _buf;
00046             size_t    _count;
00047             size_t    _mark;
00048             size_t    _pos;
00049 
00050         public:
00051             ByteArrayInputStream(const byte* data, size_t offset, size_t length);
00052             ByteArrayInputStream(const bytearray& b);
00053             virtual ~ByteArrayInputStream();
00054 
00055             virtual off_t available() throw (IOException);
00056             virtual void close() throw (IOException);
00057             virtual void mark(off_t readlimit) throw ();
00058             virtual bool markSupported() throw ();
00059             virtual int read() throw (IOException);
00060             virtual int read(byte* data, size_t offset, size_t length) throw (IOException);
00061             virtual int read(bytearray& b) throw (IOException);
00062             virtual void reset() throw (IOException);
00063             virtual off_t skip(off_t n) throw (IOException);
00064         };
00065     }
00066 }
00067 
00068 #endif
00069 
00070 #endif

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