campo-sirio/cb5/seeker.c

/***********************************************************************\
 *                                                                       *
 *   SEEKER.C      Copyright (C) 1993 Sequiter Software Inc.             *
 *                                                                       *
 \***********************************************************************/
/* See User's Manual, page 92 */


#include "d4all.h"

#ifdef __TURBOC__
extern unsigned _stklen = 10000;
#endif

CODE4    code_base;
DATA4    *data_file = 0;
FIELD4   *f_name,*l_name,*address,*age,*birth_date
,*married,*amount,*comment;
TAG4     *name_tag,*age_tag,*amount_tag
,*address_tag,*birthdate_tag;

void  OpenDataFile()
{

  data_file = d4open(&code_base,"DATA1.DBF");

  f_name = d4field(data_file,"F_NAME");
  l_name = d4field(data_file,"L_NAME");
  address = d4field(data_file,"ADDRESS");
  age = d4field(data_file,"AGE");
  birth_date = d4field(data_file,"BIRTH_DATE");
  married = d4field(data_file,"MARRIED");
  amount = d4field(data_file,"AMOUNT");
  comment = d4field(data_file,"COMMENT");

  name_tag = d4tag(data_file,"NAME_TAG");
  address_tag = d4tag(data_file,"ADDR_TAG");
  age_tag = d4tag(data_file,"AGE_TAG");
  birthdate_tag = d4tag(data_file,"DATE_TAG");
  amount_tag = d4tag(data_file,"AMNT_TAG");
}


void seek_status(int rc,char *status)
{
  switch(rc)
  {
  case r4success:
    strcpy(status,"r4success");
    break;

  case r4eof:
    strcpy(status,"r4eof");
    break;

  case r4after:
    strcpy(status,"r4after");
    break;

  default:
    strcpy(status,"other");
    break;
  }
}

void print_record(int rc)
{

  int      age_value;
  double   amount_value;
  char     f_name_str[15],l_name_str[15];
  char     address_str[20];
  char     date_str[9];
  char     married_str[2];
  char     *comment_str;
  char     status[15];

  f4ncpy(f_name,f_name_str,sizeof(f_name_str));
  f4ncpy(l_name,l_name_str,sizeof(l_name_str));
  f4ncpy(address,address_str
         ,sizeof(address_str));
  age_value = f4int(age);

  amount_value = f4double(amount);

  f4ncpy(birth_date,date_str,sizeof(date_str));

  f4ncpy(married,married_str
         ,sizeof(married_str));

  comment_str = f4memo_str(comment);

  seek_status(rc,status);

  printf("Seek status : %s\n",status);
  printf("---------------------------------\n");
  printf("Name     : %10s %10s\n"
         ,f_name_str,l_name_str);
  printf("Address  : %15s\n",address_str);
  printf("Age:%3d BirthDate:%8s Married : %1s\n"
         ,age_value,date_str,married_str);
  printf("Comment: %s\n",comment_str);
  printf("Amount purchased : $%5.2lf \n"
         ,amount_value);

  printf("\n");

}

int main()
{
  int rc;

  d4init(&code_base);

  OpenDataFile();

  d4tag_select(data_file,address_tag);

  rc = d4seek(data_file,"123 - 45 Ave   ");
  print_record(rc);

  rc = d4seek(data_file,"12");
  print_record(rc);

  rc = d4seek(data_file,"12             ");
  print_record(rc);


  d4tag_select(data_file,name_tag);

  rc = d4seek(data_file,"Krammer   David     ");
  print_record(rc);

  d4tag_select(data_file,birthdate_tag);

  rc = d4seek(data_file,"19500101");
  print_record(rc);

  d4tag_select(data_file,amount_tag);

  rc = d4seek_double(data_file,47.23);
  print_record(rc);

  rc = d4seek(data_file," 47.23");
  print_record(rc);


  d4close_all(&code_base);
  d4init_undo(&code_base);
  mem4reset() ;

  return 0;
}