chekstab.f

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C> @file
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> PROGRAM HISTORY LOG:
C> 1994-01-06  J. WOOLLEN -- ORIGINAL AUTHOR
C> 1995-06-28  J. WOOLLEN -- INCREASED THE SIZE OF INTERNAL BUFR TABLE
C>                           ARRAYS IN ORDER TO HANDLE BIGGER FILES
C> 1998-07-08  J. WOOLLEN -- REPLACED CALL TO CRAY LIBRARY ROUTINE
C>                           "ABORT" WITH CALL TO NEW INTERNAL BUFRLIB
C>                           ROUTINE "BORT"
C> 1999-11-18  J. WOOLLEN -- THE NUMBER OF BUFR FILES WHICH CAN BE
C>                           OPENED AT ONE TIME INCREASED FROM 10 TO 32
C>                           (NECESSARY IN ORDER TO PROCESS MULTIPLE
C>                           BUFR FILES UNDER THE MPI)
C> 2003-11-04  J. ATOR    -- ADDED DOCUMENTATION
C> 2003-11-04  S. BENDER  -- ADDED REMARKS/BUFRLIB ROUTINE
C>                           INTERDEPENDENCIES
C> 2003-11-04  D. KEYSER  -- UNIFIED/PORTABLE FOR WRF; ADDED HISTORY
C>                           DOCUMENTATION; OUTPUTS MORE COMPLETE
C>                           DIAGNOSTIC INFO WHEN ROUTINE TERMINATES
C>                           ABNORMALLY
C> 2014-12-10  J. ATOR    -- USE MODULES INSTEAD OF COMMON BLOCKS
C>
C> USAGE:    CALL CHEKSTAB (LUN)
C>   INPUT ARGUMENT LIST:
C>     LUN      - INTEGER: I/O STREAM INDEX INTO INTERNAL MEMORY ARRAYS
C>
C> REMARKS:
C>    THIS ROUTINE CALLS:        BORT     NEMTAB   NEMTBB   NEMTBD
C>    THIS ROUTINE IS CALLED BY: MAKESTAB
C>                               Normally not called by any application
C>                               programs.
C>
      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