string_table.h

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#ifndef STRING_TABLE_CLASS
#define STRING_TABLE_CLASS

/*****************************************************************************\
*                                                                             *
*  Name   : string_table                                                      *
*  Author : Chris Koeritz                                                     *
*                                                                             *
*******************************************************************************
* Copyright (c) 2000-$now By Author.  This program is free software; you can  *
* redistribute it and/or modify it under the terms of the GNU General Public  *
* License as published by the Free Software Foundation; either version 2 of   *
* the License or (at your option) any later version.  This is online at:      *
*     http://www.fsf.org/copyleft/gpl.html                                    *
* Please send any updates to: fred@gruntose.com                               *
\*****************************************************************************/

#include "symbol_table.cpp"

#include <basis/istring.h>
#include <basis/packable.h>


class DATA_STRUCTURE_CLASS_STYLE string_table
: public symbol_table<istring>, public packable
{
public:
  string_table(int max_bits = 7) : symbol_table<istring>(max_bits),
      _add_spaces(false) {}
  string_table(const string_table &to_copy);
  virtual ~string_table();

  string_table &operator = (const string_table &to_copy);

  bool operator ==(const string_table &to_compare) const;
  bool operator !=(const string_table &to_compare) const
          { return !(*this == to_compare); }

  #define STRTAB_COMMENT_PREFIX "#comment#"

  static bool is_comment(const istring &to_check);

  istring text_form() const;

  // dictates whether the output will have spaces between the assignment
  // character and the key name and value.  default is to not add them.
  bool add_spaces() const { return _add_spaces; }
  void add_spaces(bool add_them) { _add_spaces = add_them; }

  virtual int packed_size() const;
  virtual void pack(byte_array &packed_form) const;
  virtual bool unpack(byte_array &packed_form);

private:
  bool _add_spaces;  // records whether we add spaces around the assignment.
};

#endif

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