StringMemoryArea.hpp

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// DUNE DAQ modification notice:
// This file has been modified from the original ATLAS system source for the DUNE DAQ project.
// Fork baseline commit: system-00-00-20 (2020-09-25).
// Renamed since fork: yes (from system/StringMemoryArea.h to include/okssystem/StringMemoryArea.hpp).
 
/*
 *  StringMemoryArea.h
 *  OksSystem
 *
 *  Created by Matthias Wiesmann on 17.02.05.
 *  Copyright 2005 CERN. All rights reserved.
 *
 */
 
#ifndef OKSSYSTEM_STRING_MEMORY_AREA
#define OKSSYSTEM_STRING_MEMORY_AREA
 
#include <map>
#include <vector>
 
namespace OksSystem {

 
class StringMemoryArea
{
public:
  typedef unsigned int offset_t;
  typedef std::vector<std::string> str_vector;
  typedef std::map<std::string, std::string> str_map;
 
protected:
  static const char
    STRING_SEPARATOR; 
  static const char MAP_ENTRY_SEPARATOR;            
  virtual const char* string_area_read() const = 0; 
  virtual char* string_area_write() = 0;            
  virtual offset_t last_string() const = 0;         
  virtual void last_string(offset_t offset) = 0;    
  virtual size_t string_area_size() const = 0;      
public:
  offset_t add(const char* str);
  size_t clear(offset_t offset);
  const char* get_string(offset_t offset) const;
  offset_t insert(offset_t offset, const char* str);
  void insert(offset_t* offset, const char* str);
  offset_t insert(offset_t offset, const str_vector& vect);
  void insert(offset_t* offset, const str_vector& vect);
  str_vector get_vector(offset_t offset) const;
  offset_t insert(offset_t offset, const str_map& map);
  void insert(offset_t* offset, const str_map& map);
  str_map get_map(offset_t offset) const;
}; // StringMemoryArea
 
} // okssystem
 
#endif