/* -*- mode: c++ -*-
*/
/*
GIFT, a flexible content based image retrieval system.
Copyright (C) 1998, 1999, 2000 CUI, University of Geneva
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _CPERSISTENTVECTOR
#define _CPERSISTENTVECTOR
#include <vector>
#include <algorithm>
#include <functional>
#include <iostream.h>
#include <fstream.h>
template<class T>
void binary_writer(ostream& outStream,
const T& inToBeWritten){
outStream.write(&inToBeWritten,
sizeof(inToBeWritten));
}
template<class T>
void binary_reader(istream& inStream,
T& inToBeRead){
inStream.read(&inToBeRead,
sizeof(inToBeRead));
}
///
template<class T>
class CPersistentVector:public vector<T>{
///
long mLength;
public:
///
CPersistentVector(long inLength);
///
bool read(istream& inStream);
///
bool read(istream& inStream,
long inNumRecords);
///
bool write(ostream& outStream)const;
///
void init(T const& inDefaultValue);
};
template<class T>
CPersistentVector<T>::CPersistentVector(long inLength):
mLength(inLength),
vector<T>(inLength)
{
}
template<class T>
void CPersistentVector<T>::init(T const& inDefaultValue){
constant_void_fun<T> f(inDefaultValue);
clear();
reserve(mLength);
for(long i=0;
i<mLength;
i++){
push_back(f());
}
}
template<class T>
bool CPersistentVector<T>::read(istream& inStream){
return read(inStream,
mLength);
}
template<class T>
bool CPersistentVector<T>::read(istream& inStream,
long inLength){
reserve(inLength);
clear();
for(long i=0;
i<inLength;
i++){
T lToBeRead;
binary_reader(inStream,
lToBeRead);
assert(lToBeRead>=0 && lToBeRead<=1);
push_back(lToBeRead);
}
mLength=inLength;
return inStream;
}
template<class T>
bool CPersistentVector<T>::write(ostream& outStream)const{
for(const_iterator i=begin();
i!=end();
i++){
binary_writer(outStream,
*i);
}
outStream << flush;
return outStream;
}
#endif
Documentation generated by muellerw@pc7170 on Son Okt 8 16:04:40 CEST 2000