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fileprod.h

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00001 /*
00002 
00003 Copyright (c) 2003, Cornell University
00004 All rights reserved.
00005 
00006 Redistribution and use in source and binary forms, with or without
00007 modification, are permitted provided that the following conditions are met:
00008 
00009    - Redistributions of source code must retain the above copyright notice,
00010        this list of conditions and the following disclaimer.
00011    - Redistributions in binary form must reproduce the above copyright
00012        notice, this list of conditions and the following disclaimer in the
00013        documentation and/or other materials provided with the distribution.
00014    - Neither the name of Cornell University nor the names of its
00015        contributors may be used to endorse or promote products derived from
00016        this software without specific prior written permission.
00017 
00018 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00019 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00020 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00021 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
00022 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
00023 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
00024 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00025 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
00026 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
00027 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
00028 THE POSSIBILITY OF SUCH DAMAGE.
00029 
00030 */
00031 
00032 #ifndef _FILEPROD_H
00033 #define _FILEPROD_H
00034 
00035 #include "strprod.h"
00036 #include <fstream.h>
00037 #include <string>
00038 
00039 namespace CLUS
00040 {
00041 
00042 class FileDataProducer: public StreamDataProducer
00043 {
00044 
00045 protected:
00046     string filename;
00047     
00048 public:
00049     FileDataProducer(Subscript N, char* FileName=NULL):
00050             StreamDataProducer(NULL, N), filename(FileName)
00051     {}
00052     
00053     virtual void Start(void)
00054     {
00055         in = new ifstream(filename.c_str());
00056     }
00057     
00058     virtual void Stop(void)
00059     {
00060         delete in;
00061     }
00062     
00063     inline void SetFileName(char* FileName)
00064     {
00065         filename=FileName;
00066     }
00067 };
00068 }
00069 
00070 #endif // _FILEPROD_H

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