column_headers.h

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#ifndef COLUMN_HEADERS_CLASS
#define COLUMN_HEADERS_CLASS

/*****************************************************************************\
*                                                                             *
*  Name   : column_headers                                                    *
*  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 "textual_dll.h"

#include <basis/packable.h>

// forward.
class column_info_array;
class string_matrix;


class TEXTUAL_CLASS_STYLE column_headers : public packable
{
public:
  column_headers();
  virtual ~column_headers();

  int columns() const;

  enum justifications { LEFT_JUSTIFY, CENTER_JUSTIFY, RIGHT_JUSTIFY };

  void add(const istring &column_name, justifications placement = LEFT_JUSTIFY,
          int maximum_width = 0);

  bool get(int index, istring &column_name, justifications &placement,
          int &maximum_width);

  bool zap(int start, int end = -1);

  bool format(istring &to_fill, const string_array &to_format);

  bool format(istring &to_fill, const string_matrix &to_format);

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

private:
  column_info_array *_cols;  
};

#endif

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