polyflow.h

/*
 *  Copyright (c) 2002-2007    National Research Council
 *
 *  All rights reserved.
 *
 *  This material is confidential and proprietary information of
 *  National Research Council Canada ("Confidential Information").
 *  This Confidential Information may only be used and reproduced
 *  in accordance with the terms of the license agreement.
 *
 */

#ifndef __INCLUDED_SCOPIRA_TOOL_POLYFLOW_H__
#define __INCLUDED_SCOPIRA_TOOL_POLYFLOW_H__

#include <scopira/tool/flow.h>
#include <scopira/tool/export.h>

#include <typeinfo>
#include <map>

//
// two polymorphic flow implementations
// (rouge wave guide, ver 7, p124)
//
// @author Aleksander Demko
//

namespace scopira
{
  namespace tool
  {
    class polyiflow;
    class polyoflow;
    class isoiflow;
    class isooflow;
  }
}

class scopira::tool::polyiflow : public scopira::tool::iobjflow_i
{
  protected:
    bool read_object_impl(object* &out);
    typedef std::map<int, const std::type_info*> typemap_t;
    count2_ptr< itflow_i > dm_file;
    typemap_t dm_typemap;

  public:
  
    SCOPIRA_EXPORT polyiflow(bool doref, itflow_i* rz);
    
    SCOPIRA_EXPORT virtual ~polyiflow();

    SCOPIRA_EXPORT virtual bool failed(void) const;
    
    SCOPIRA_EXPORT virtual size_t read(byte_t* _buf, size_t _maxsize);

    SCOPIRA_EXPORT virtual bool read_bool(bool&);
    SCOPIRA_EXPORT virtual bool read_char(char&);
    SCOPIRA_EXPORT virtual bool read_short(short&);
    SCOPIRA_EXPORT virtual bool read_int(int&);
    SCOPIRA_EXPORT virtual bool read_size_t(size_t&);
    SCOPIRA_EXPORT virtual bool read_int64_t(int64_t&);
    SCOPIRA_EXPORT virtual bool read_long(long&);
    SCOPIRA_EXPORT virtual bool read_float(float&);
    SCOPIRA_EXPORT virtual bool read_double(double&);
    SCOPIRA_EXPORT virtual bool read_string(std::string&);
    
    SCOPIRA_EXPORT virtual bool read_object(object* &out);
    
    SCOPIRA_EXPORT void open(itflow_i* fi);
    
    SCOPIRA_EXPORT void close(void);
};

class scopira::tool::polyoflow : public scopira::tool::oobjflow_i
{   
  protected:
    typedef std::map<std::string, int> typemap_t;
    count2_ptr< otflow_i > dm_file;
    int dm_next_typeid;
    typemap_t dm_typemap;

  public:
  
    SCOPIRA_EXPORT polyoflow(bool doref, otflow_i* rz);
    
    SCOPIRA_EXPORT virtual ~polyoflow();

    SCOPIRA_EXPORT virtual bool failed(void) const;
    
    SCOPIRA_EXPORT virtual size_t write(const byte_t* _buf, size_t _size);

    SCOPIRA_EXPORT virtual void write_bool(bool val);
    SCOPIRA_EXPORT virtual void write_char(char val);
    SCOPIRA_EXPORT virtual void write_short(short val);
    SCOPIRA_EXPORT virtual void write_int(int val);
    SCOPIRA_EXPORT virtual void write_size_t(size_t val);
    SCOPIRA_EXPORT virtual void write_int64_t(int64_t val);
    SCOPIRA_EXPORT virtual void write_long(long val);
    SCOPIRA_EXPORT virtual void write_float(float val);
    SCOPIRA_EXPORT virtual void write_double(double val);
    SCOPIRA_EXPORT virtual void write_string(const std::string& val);
    
    SCOPIRA_EXPORT virtual void write_object(const scopira::tool::object* o);
    
    SCOPIRA_EXPORT void open(otflow_i* fi);
    
    SCOPIRA_EXPORT void close(void);
};

class scopira::tool::isoiflow : public scopira::tool::polyiflow
{
  protected:
    typedef std::map<int, scopira::tool::object*> idmap_t;
    idmap_t dm_idmap;

  public:  
    SCOPIRA_EXPORT isoiflow(bool doref, itflow_i* rz);
    
    SCOPIRA_EXPORT virtual ~isoiflow();
    
    SCOPIRA_EXPORT virtual bool read_object(object* &out);
};

class scopira::tool::isooflow : public scopira::tool::polyoflow
{
  protected:
    typedef std::map<const scopira::tool::object*, int> ptrmap_t;
    int dm_nextid;
    ptrmap_t dm_ptrmap;

  public:
    SCOPIRA_EXPORT isooflow(bool doref, otflow_i* rz);
    
    SCOPIRA_EXPORT virtual ~isooflow();
    
    SCOPIRA_EXPORT virtual void write_object(const scopira::tool::object* o);
};

#endif