# 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 <string>
    00036 #include <vector>
    00037 #include <map>
    00038
    00039 #include <util/class/class.h>
    00040 #include <util/state/state.h>
    00041
    00042 namespace sc {
    00043
    00044 class StateOutData {
    00045   public:
    00046     int num;
    00047     int size;
    00048     int type;
    00049     int offset;
    00050
    00051     StateOutData(): num(0), size(0), type(0), offset(0) {}
    00052 };
    00053
    00061 class StateOut: public DescribedClass {
    00062     friend class SavableState;
    00063     friend class TranslateDataOut;
    00064   private:
    00065     // do not allow copy constructor or assignment
    00066     StateOut(const StateOut&);
    00067     void operator=(const StateOut&);
    00068     int have_cd_;
    00069   protected:
    00070     int dir_loc_loc_;
    00071     TranslateDataOut *translate_;
    00072     int copy_references_;
    00073     int next_object_number_;
    00074     std::map<Ref<SavableState>,StateOutData> ps_;
    00075     std::map<ClassDescP,int> classidmap_;
    00076     int nextclassid_;
    00077     int node_to_node_;
    00078     virtual int put_array_void(const void*,int);
    00079     virtual int putparents(const ClassDesc*);
    00080
    00081     void put_directory();
    00082
    00083     // The following members are called by friend SavableState
    00084
    00085     void have_classdesc() { have_cd_ = 1; }
    00086     int need_classdesc() { int tmp = have_cd_; have_cd_ = 0; return !tmp; }
    00087
    00092     virtual int putobject(const Ref<SavableState> &);
    00093
    00095     virtual int put(const ClassDesc*);
    00096   public:
    00097     StateOut();
    00098     virtual ~StateOut();
    00099
    00101     virtual void put_header();
    00102
    00105     virtual int putstring(const char*);
    00106
    00108     virtual int put(const std::string &);
    00109
    00111     virtual int put(char r);
    00112     virtual int put(unsigned int r);
    00113     virtual int put(int r);
    00114     virtual int put(bool r);
    00115     virtual int put(unsigned long r);
    00116     virtual int put(float r);
    00117     virtual int put(double r);
    00120     virtual int put(const char*,int);
    00121     virtual int put(const unsigned int*,int);
    00122     virtual int put(const int*,int);
    00123     virtual int put(const float*,int);
    00124     virtual int put(const double*,int);
    00127     virtual int put_array_char(const char*p,int size);
    00128     virtual int put_array_uint(const unsigned int*p,int size);
    00129     virtual int put_array_int(const int*p,int size);
    00130     virtual int put_array_float(const float*p,int size);
    00131     virtual int put_array_double(const double*p,int size);
    00132
    00134     template <class T>
    00135     int put(typename std::vector<T> &v) {
    00136       int l = v.size();
    00137       int r = put(l);
    00138       if (l) { for (int i=0; i<l; i++) r += put(v[i]); }
    00139       return r;
    00140     }
    00141
    00145     void forget_references();
    00150     void copy_references();
    00151
    00153     virtual int use_directory();
    00154
    00156     virtual void flush();
    00157
    00162     int node_to_node() const { return node_to_node_; }
    00163
    00166     virtual int tell();
    00169     virtual void seek(int loc);
    00172     virtual int seekable();
    00173   };
    00174
    00175 }
    00176
    00177 #endif
    00178
    00179 // Local Variables:
    00180 // mode: c++
    00181 // c-file-style: "CLJ"
    00182 // End: