stateout.h
00001 //
00002 // stateout.h
00003 //
00004 // Copyright (C) 1998 Limit Point Systems, Inc.
00005 //
00006 // Author: Curtis Janssen <cljanss@limitpt.com>
00007 // Maintainer: LPS
00008 //
00009 // This file is part of the SC Toolkit.
00010 //
00011 // The SC Toolkit is free software; you can redistribute it and/or modify
00012 // it under the terms of the GNU Library General Public License as published by
00013 // the Free Software Foundation; either version 2, or (at your option)
00014 // any later version.
00015 //
00016 // The SC Toolkit is distributed in the hope that it will be useful,
00017 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00018 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
00019 // GNU Library General Public License for more details.
00020 //
00021 // You should have received a copy of the GNU Library General Public License
00022 // along with the SC Toolkit; see the file COPYING.LIB. If not, write to
00023 // the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
00024 //
00025 // The U.S. Government is granted a limited license as per AL 91-7.
00026 //
00027
00028 #ifndef _util_state_stateout_h
00029 #define _util_state_stateout_h
00030
00031 #ifdef __GNUC__
00032 #pragma interface
00033 #endif
00034
00035 #include <util/class/class.h>
00036 #include <util/state/state.h>
00037 #include <util/container/avlmap.h>
00038
00039 namespace sc {
00040
00041 class StateOutData {
00042 public:
00043 int num;
00044 int size;
00045 int type;
00046 int offset;
00047
00048 StateOutData(): num(0), size(0), type(0), offset(0) {}
00049 };
00050
00058 class StateOut: public DescribedClass {
00059 friend class SavableState;
00060 friend class TranslateDataOut;
00061 private:
00062 // do not allow copy constructor or assignment
00063 StateOut(const StateOut&);
00064 void operator=(const StateOut&);
00065 int have_cd_;
00066 protected:
00067 int dir_loc_loc_;
00068 TranslateDataOut *translate_;
00069 int copy_references_;
00070 int next_object_number_;
00071 AVLMap<Ref<SavableState>,StateOutData> ps_;
00072 AVLMap<ClassDescP,int> classidmap_;
00073 int nextclassid_;
00074 int node_to_node_;
00075 virtual int put_array_void(const void*,int);
00076 virtual int putparents(const ClassDesc*);
00077
00078 void put_directory();
00079
00080 // The following members are called by friend SavableState
00081
00082 void have_classdesc() { have_cd_ = 1; }
00083 int need_classdesc() { int tmp = have_cd_; have_cd_ = 0; return !tmp; }
00084
00089 virtual int putobject(const Ref<SavableState> &);
00090
00092 virtual int put(const ClassDesc*);
00093 public:
00094 StateOut();
00095 virtual ~StateOut();
00096
00098 virtual void put_header();
00099
00102 virtual int putstring(const char*);
00103
00105 virtual int put(char r);
00106 virtual int put(unsigned int r);
00107 virtual int put(int r);
00108 virtual int put(float r);
00109 virtual int put(double r);
00112 virtual int put(const char*,int);
00113 virtual int put(const unsigned int*,int);
00114 virtual int put(const int*,int);
00115 virtual int put(const float*,int);
00116 virtual int put(const double*,int);
00119 virtual int put_array_char(const char*p,int size);
00120 virtual int put_array_uint(const unsigned int*p,int size);
00121 virtual int put_array_int(const int*p,int size);
00122 virtual int put_array_float(const float*p,int size);
00123 virtual int put_array_double(const double*p,int size);
00124
00128 void forget_references();
00133 void copy_references();
00134
00136 virtual int use_directory();
00137
00139 virtual void flush();
00140
00145 int node_to_node() const { return node_to_node_; }
00146
00149 virtual int tell();
00152 virtual void seek(int loc);
00155 virtual int seekable();
00156 };
00157
00158 }
00159
00160 #endif
00161
00162 // Local Variables:
00163 // mode: c++
00164 // c-file-style: "CLJ"
00165 // End:
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