chekstab.f

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C> @file
C> @brief Check that an internal BUFR table
C> representation is self-consistent and fully defined.
C>
C> @author Woollen @date 1994-01-06
 
C> This subroutine checks that an internal BUFR table
C> representation is self-consistent and fully defined. If any errors
C> are found, then an appropriate call is made to bufr archive library
C> subroutine bort().
C>
C> @param LUN I/O stream index into internal memory arrays.
C>
C> @author Woollen @date 1994-01-06
      SUBROUTINE chekstab(LUN)
 
      USE moda_tababd
      USE moda_nmikrp
 
      CHARACTER*128 BORT_STR
      CHARACTER*24  UNIT
      CHARACTER*8   NEMO
      CHARACTER*1   TAB
 
C-----------------------------------------------------------------------
C-----------------------------------------------------------------------
 
C  THERE MUST BE ENTRIES IN TABLES A, B, AND D
C  -------------------------------------------
 
      IF(ntba(lun).EQ.0) GOTO 900
      IF(ntbb(lun).EQ.0) GOTO 901
      IF(ntbd(lun).EQ.0) GOTO 902
 
C  MAKE SURE EACH TABLE A ENTRY DEFINED AS A SEQUENCE
C  --------------------------------------------------
 
      DO i=1,ntba(lun)
      nemo = taba(i,lun)(4:11)
      CALL nemtab(lun,nemo,idn,tab,iret)
      IF(tab.NE.'D') GOTO 903
      ENDDO
 
C  CHECK TABLE B CONTENTS
C  ----------------------
 
      DO itab=1,ntbb(lun)
      CALL nemtbb(lun,itab,unit,iscl,iref,ibit)
      ENDDO
 
C  CHECK TABLE D CONTNETS
C  ----------------------
 
      DO itab=1,ntbd(lun)
      CALL nemtbd(lun,itab,nseq,nem(1,1),irp(1,1),krp(1,1))
      ENDDO
 
C  EXITS
C  -----
 
      RETURN
900   CALL bort
     . ('BUFRLIB: CHEKSTAB - EMPTY TABLE A IN INTERNAL BUFR TABLES')
901   CALL bort
     . ('BUFRLIB: CHEKSTAB - EMPTY TABLE B IN INTERNAL BUFR TABLES')
902   CALL bort
     . ('BUFRLIB: CHEKSTAB - EMPTY TABLE D IN INTERNAL BUFR TABLES')
903   WRITE(bort_str,'("BUFRLIB: CHEKSTAB - TABLE A ENTRY: ",A," NOT '//
     . 'DEFINED AS A SEQUENCE")') nemo
      CALL bort(bort_str)
      END