/* 
    Xbase project source code

    This program extracts data from a dbf data file and puts it in
    a comma delimited output file,  suitable for input into an awk or
    perl script

    This program excludes all memo fields

    Copyright (C) 1997  Startech, Gary A. Kunkel   

    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 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

    Contact:

      Mail:
  
        Technology Associates, Inc.
        XBase Project
        1455 Deming Way #11
        Sparks, NV  89434
        USA

     Email:
       
       xbase@techass.com

     Website:

       xdb.sourceforge.net


    V 1.8   4/15/99    - Initial creation of this program
*/

#include "xbase/xbase.h"

/*************************************************************************/
void Usage();
void Usage()
{
  cout << "\nUsage: dbfxtrct -iDATABASE.DBF -sINDEX.N[TD]X -f -F -dMM/DD/YY\n";
  cout << "\nWhere DATABASE.DBF is the name of the database file to dump\n";
  cout << "INDEX.NTX or .NDX is an optional index sort paramater\n";
  cout << "-f  optional field name list in first record\n";
  cout << "-F  optional field name and attributes in first record\n";
  cout << "MM/DD/YY is an optional output date format for any date fields\n";
  cout << "\nThis program creates output suitable for awk and perl scripts\n";
  cout << "\nThis program does not support memo fields (yet).\n";
}
/*************************************************************************/
int main(int ac,char** av)
{
   xbXBase x;
   xbDbf d( &x );
   xbShort rc, FieldOption = 0;
   xbIndex *ix = 0;
   xbNdx z(&d);

   char *dbfname = NULL;
   char *ixname  = NULL;
   char *p;
   char buf[200];

/*  Get the input paramaters  

    -i  input datafile name
    -s  optional sort index name
    -f  optional field names in record one
    -F  optional field names and attributes in record one
    -d  date format  
*/
  for( int i = 1; i < ac; i++ )
  {
    p = av[i];
    if( *p != '-' ){
      cout << "Invalid paramater " << *p << endl;
      Usage();
      return 1;
    }
    p++;
    if( *p == 'i' )
     dbfname = ++p;
    else if( *p == 's' )
     ixname = ++p;
    else if( *p == 'f' )
      FieldOption = 1;
    else if( *p == 'F' )
      FieldOption = 2;
    else if( *p == 'd' )
      x.SetDefaultDateFormat( ++p );
    else{
      cout << "Invalid paramater " << *p << endl;
      Usage();
      return 1;
    }
  }

/* if missing params, display a usage message and exit */
  
  if( !dbfname ){
     Usage();
     return 1;
   }

/*  open the database file */

   if(( rc = d.OpenDatabase( dbfname )) != XB_NO_ERROR )
   {
      cout << "\nCould not open file " << dbfname << " rc = " << rc << "\n";
      return 2;
   }

/*  if an index was specified, open the index file */

   if( ixname ){

#ifdef XB_INDEX_NTX
     if( strstr( ixname, "NTX" ))
       ix = new xbNtx( &d );
#endif

#ifdef XB_INDEX_NDX
     if( strstr( ixname, "NDX" ))
       ix = new xbNdx( &d );
#endif
     if( !ix ){
       cout << "Unknown index type. .NTX and .NDX index file support only\n";
       return 3;
     }
     if(( rc = ix->OpenIndex( ixname )) != XB_NO_ERROR )
     {
       cout << "\nCould not open index " << ixname << " rc = " << rc << "\n";
       return 4;
     }
   }


/*  if -f or -F paramater, dump the header information */
  if( FieldOption ){
    for( xbLong l = 0; l < d.FieldCount(); l++ ){
      if( l ) cout << ",";
      cout << d.GetFieldName(l);
      if( FieldOption == 2 ){
        cout << "|" << d.GetFieldType(l) << "|" << d.GetFieldLen(l);
	cout << "|" << d.GetFieldDecimal(l);
      }
    }
    cout << endl;
  }

/*  if an index used, then loop thru each record, based on index, else
    dump in dbf sort order */
  if( ixname )
    rc = ix->GetFirstKey();
  else
    rc = d.GetFirstRecord();
    
  while( rc == XB_NO_ERROR ){
    for( xbLong l = 0; l < d.FieldCount(); l++ ){
      if( l ) cout << ",";
      strcpy( buf, x.LTRIM( d.GetStringField( l )));
      if( d.GetFieldType( l ) == 'D' )
        cout << x.DTOC( buf );
      else
        cout << x.TRIM( buf );
    }
    if( ixname )
      rc = ix->GetNextKey();
    else
      rc = d.GetNextRecord();
    cout << endl;
  }

/*  close everything */
   d.CloseDatabase();
   return 0;
}