MPQC 2.3.1
state_bin.h
1//
2// state_bin.h
3//
4// Copyright (C) 1996 Limit Point Systems, Inc.
5//
6// Author: Curtis Janssen <cljanss@limitpt.com>
7// Maintainer: LPS
8//
9// This file is part of the SC Toolkit.
10//
11// The SC Toolkit is free software; you can redistribute it and/or modify
12// it under the terms of the GNU Library General Public License as published by
13// the Free Software Foundation; either version 2, or (at your option)
14// any later version.
15//
16// The SC Toolkit is distributed in the hope that it will be useful,
17// but WITHOUT ANY WARRANTY; without even the implied warranty of
18// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19// GNU Library General Public License for more details.
20//
21// You should have received a copy of the GNU Library General Public License
22// along with the SC Toolkit; see the file COPYING.LIB. If not, write to
23// the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
24//
25// The U.S. Government is granted a limited license as per AL 91-7.
26//
27
28#ifndef _util_state_state_bin_h
29#define _util_state_state_bin_h
30
31#ifdef __GNUC__
32#pragma interface
33#endif
34
35#include <util/state/state_file.h>
36
37namespace sc {
38
42 private:
43 int file_position_;
44 // do not allow copy constructor or assignment
46 void operator=(const StateOutBin&);
50 int put_array_void(const void*,int);
51 public:
53 StateOutBin(std::ostream&);
54 StateOutBin(const char *);
56
57 int open(const char *name);
58 void close();
59
61
62 int tell();
63 void seek(int loc);
64 int seekable();
65 };
66
69class StateInBin: public StateInFile {
70 private:
71 int file_position_;
72 // do not allow copy constructor or assignment
73 StateInBin(const StateInBin&);
74 void operator=(const StateInBin&);
78 int get_array_void(void*,int);
79 public:
80 StateInBin();
81 StateInBin(const Ref<KeyVal> &);
82 StateInBin(std::istream&);
83 StateInBin(const char *);
85
86 int open(const char *name);
87
89
90 int tell();
91 void seek(int loc);
92 int seekable();
93 };
94
95}
96
97#endif
98
99// Local Variables:
100// mode: c++
101// c-file-style: "CLJ"
102// End:
A template class that maintains references counts.
Definition ref.h:332
Read objects written with StateOutBin.
Definition state_bin.h:69
int seekable()
Return non-zero if seek does anything sensible.
void seek(int loc)
Set the current position in the file.
int open(const char *name)
State information will be obtained from name.
int tell()
Return the current position in the file.
int use_directory()
Returns true of this object uses a directory.
Reads state information from a file.
Definition state_file.h:75
Save state to a binary file.
Definition state_bin.h:41
int seekable()
Return non-zero if tell and seek do anything sensible.
int tell()
Returns the current position in the file.
int open(const char *name)
State information will be written to name.
void close()
Close the output stream.
int use_directory()
Returns true if this object uses a directory.
void seek(int loc)
Set the current position in the file.
Writes state information to files.
Definition state_file.h:47

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