campo-sirio/cb5/newlist2.c

/***********************************************************************\
 *                                                                       *
 *   NEWLIST2.C    Copyright (C) 1993 Sequiter Software Inc.             *
 *                                                                       *
 \***********************************************************************/
/* See User's Manual, page 74 */


#include "d4all.h"

#ifdef __TURBOC__
extern unsigned _stklen = 10000;
#endif

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

FIELD4INFO  field_info [] =
{
{"F_NAME",r4str,10,0},
{"L_NAME",r4str,10,0},
{"ADDRESS",r4str,15,0},
{"AGE",r4num,2,0},          
{"BIRTH_DATE",r4date,8,0},  
{"MARRIED",r4log,1,0},      
{"AMOUNT",r4num,7,2},
{"COMMENT",r4memo,10,0},    
{0,0,0,0},
};

TAG4INFO  tag_info[] =
{
{"NAME_TAG","F_NAME + L_NAME",0,0,0},
{"ADDR_TAG","ADDRESS",0,0,0},
{"AGE_TAG","AGE",0,0,0},
{"DATE_TAG","BIRTH_DATE",0,0,0},
{"AMNT_TAG","AMOUNT",0,0,0},
{0,0,0,0,0},
};

void  CreateDataFile()
{

  data_file = d4create(&code_base,"DATA1.DBF"
                       ,field_info,tag_info);

  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");
  age_tag = d4tag(data_file,"AGE_TAG");
  amount_tag = d4tag(data_file,"AMNT_TAG");
}

void PrintRecords()
{
  int      rc,j,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;

  for(rc = d4top(data_file);rc == r4success
      ;rc =   d4skip(data_file, 1L))
  {
    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);

    printf("-------------------------------\n");

    printf("Name     : %10s %10s\n",f_name_str
           ,l_name_str);
    printf("Address  : %15s\n",address_str);
    printf("Age : %3d   Married : %1s\n"
           ,age_value,married_str);
    printf("Comment: %s\n",comment_str);
    printf("Amount purchased this year: "
           " $%5.2lf\n\n", amount_value);
  }
}

void AddNewRecord(char *f_name_str
                  ,char *l_name_str
                  ,char *address_str
                  ,int age_value
                  ,int married_value
                  ,double amount_value
                  ,char *comment_str)
{
  d4append_start(data_file,0);

  f4assign(f_name,f_name_str);
  f4assign(l_name,l_name_str);
  f4assign(address,address_str);
  f4assign_int(age,age_value);
  if(married_value)
    f4assign(married,"T");
  else
    f4assign(married,"F");
  f4assign_double(amount,amount_value);
  f4memo_assign(comment,comment_str);

  d4append(data_file);
}


int main()
{
  d4init(&code_base);
  code_base.safety = 0;

  CreateDataFile();

  AddNewRecord("Sarah","Webber","132-43 St.",32,1
               ,147.99,"New Customer");
  AddNewRecord("John","Albridge"
               ,"1232-76 Ave.",12,0,98.99,"");

  PrintRecords();

  d4tag_select(data_file,name_tag);
  PrintRecords();

  d4tag_select(data_file,age_tag);
  PrintRecords();

  d4tag_select(data_file,amount_tag);
  PrintRecords();

  d4close_all(&code_base);
  d4init_undo( &code_base ) ;     /* free up memory */
  mem4reset() ;                   /* free up memory */
  return 0;
}