/*
 * Copyright (C) 2008 Search Solution Corporation. All rights reserved by Search Solution. 
 *
 *   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; version 2 of the License. 
 *
 *  This program is distributed in the hope that it will be useful, 
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of 
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 
 *  GNU General Public License for more details. 
 *
 *  You should have received a copy of the GNU General Public License 
 *  along with this program; if not, write to the Free Software 
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 
 *
 */


/*
 *      load_object.h: simplified object definitions
 */

#ifndef _LOAD_OBJECT_H_
#define _LOAD_OBJECT_H_

#ident "$Id$"

#include "dbtype.h"
#include "class_object.h"

#define CHECK_PRINT_ERROR(print_fnc)            \
  do {                                          \
    if ((error = print_fnc) != NO_ERROR)        \
      goto exit_on_error;                       \
  } while (0)

#define CHECK_EXIT_ERROR(e)                     \
  do {                                          \
    if ((e) == NO_ERROR) {                      \
      if (((e) = er_errid()) == NO_ERROR)       \
        (e) = ER_GENERIC_ERROR;                 \
    }                                           \
  } while (0)

/*
 * DESC_OBJ
 *    This is a simplified description of an object that is used in cases
 *    where we do not want or need to build complete memory representations
 *    of an instance.  This was developed primarily to support the
 *    loader/import/export utility but could be used for other things as
 *    well.
 */
typedef struct desc_obj
{
  MOP classop;
  SM_CLASS *class_;
  int updated_flag;
  int count;
  SM_ATTRIBUTE **atts;
  DB_VALUE *values;
} DESC_OBJ;

typedef struct text_output
{
  /* pointer to the buffer */
  char *buffer;
  /* pointer to the next byte to buffer when writting */
  char *ptr;
  /* optimal I/O pagesize for device */
  int iosize;
  /* number of current buffered bytes */
  int count;
  /* output file */
  FILE *fp;
} TEXT_OUTPUT;

extern int text_print_flush (TEXT_OUTPUT * tout);
extern int text_print (TEXT_OUTPUT * tout, const char *buf, int buflen,
		       char const *fmt, ...);
extern DESC_OBJ *make_desc_obj (SM_CLASS * class_);
extern int desc_obj_to_disk (DESC_OBJ * obj, RECDES * record,
			     bool * index_flag);
extern int desc_disk_to_obj (MOP classop, SM_CLASS * class_,
			     RECDES * record, DESC_OBJ * obj);
extern void desc_free (DESC_OBJ * obj);

extern int desc_value_special_fprint (TEXT_OUTPUT * tout, DB_VALUE * value);
extern void desc_value_fprint (FILE * fp, DB_VALUE * value);
extern void desc_value_print (DB_VALUE * value);

extern int lo_migrate_out (LOID * lo, const char *pathname);
extern int lo_migrate_in (LOID * lo, const char *pathname);
extern int er_filter_fileset (FILE * ef);
extern int er_filter_errid (bool ignore_warning);

#endif /* _LOAD_OBJECT_H_ */