restd.c

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#include "bufrlib.h"

void restd( f77int *lun, f77int *tddesc, f77int *nctddesc, f77int ctddesc[] )
{
    f77int i0 = 0;

    f77int desc, ncdesc, cdesc[MAXNC];
    f77int i, j, inum, itbd, ictbd;
    f77int iscl, iref, ibit;

    char tab, nemo[9], adn[7], cunit[25];

/*
**  How many child descriptors does *tddesc have?
*/
    numtbd( lun, tddesc, nemo, &tab, &itbd, 9, 1 );
    uptdd( &itbd, lun, &i0, &inum );

    *nctddesc = 0;
/*
**  Examine each child descriptor one at a time.
*/
    for ( i = 1; i <= inum; i++ ) {
    uptdd( &itbd, lun, &i, &desc ); 
    if (! istdesc( &desc ) ) {
/*
**      desc is a local descriptor.
*/ 
        numtbd( lun, &desc, nemo, &tab, &ictbd, 9, 1 );
        if ( tab == 'D' ) {
/*
**      desc is itself a local Table D descriptor, so resolve
**      it now via a recursive call to this same routine.
*/ 
            restd( lun, &desc, &ncdesc, cdesc );

            if ( ( *nctddesc > 0 ) &&
             ( ctddesc[(*nctddesc)-1] >  ifxy( "101000", 6 ) ) &&
             ( ctddesc[(*nctddesc)-1] <= ifxy( "101255", 6 ) ) ) {
/*
**          desc is replicated using fixed replication, so write
**          the number of child descriptors into the X value of
**          the replication descriptor ctddesc[(*nctddesc)-1]
*/
            cadn30( &ctddesc[(*nctddesc)-1], adn, 7 );
            sprintf( adn, "%c%02ld%c%c%c",
                 adn[0], (long) ncdesc, adn[3], adn[4], adn[5] );
            ctddesc[(*nctddesc)-1] = ifxy( adn, 7 );
        }
        else if ( ( *nctddesc > 1 ) &&
              ( ctddesc[(*nctddesc)-2] == ifxy( "101000", 6 ) ) ) {
/*
**          desc is replicated using delayed replication, so write
**          the number of child descriptors into the X value of
**          the replication descriptor ctddesc[(*nctddesc)-2]
*/
            cadn30( &ctddesc[(*nctddesc)-2], adn, 7 );
            sprintf( adn, "%c%02ld%c%c%c",
                 adn[0], (long) ncdesc, adn[3], adn[4], adn[5] );
            ctddesc[(*nctddesc)-2] = ifxy( adn, 7 );
        }
/*
**      Add the child descriptors to the output list.
*/
        for ( j = 0; j < ncdesc; j++ ) {
            wrdesc( cdesc[j], ctddesc, nctddesc );
        }
            
        }
        else if ( tab == 'B' ) {
/*
**      desc is a local Table B descriptor, so precede it with
**      a 206YYY operator in the output list.
*/ 
        nemtbb( lun, &ictbd, cunit, &iscl, &iref, &ibit, 25 );
        sprintf( adn, "%c%c%c%03ld", '2', '0', '6', (long) ibit );
        wrdesc( ifxy( adn, 7 ), ctddesc, nctddesc );
            wrdesc( desc, ctddesc, nctddesc );
        }
        }
    else {
/*
**      desc is a standard Table B, Table D, operator or replicator
**      descriptor, so append it "as is" to the output list.
*/ 
        wrdesc( desc, ctddesc, nctddesc );
    }
    }

    return;
}