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!*
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!*----------------------------------------------------------------------------
!*
!*  WRF NetCDF I/O
!   Author:  Jacques Middlecoff jacquesm@fsl.noaa.gov
!*  Date:    October 6, 2000
!*
!*----------------------------------------------------------------------------

  use wrf_data
  use ext_ncd_support_routines
  implicit none
  include 'wrf_status_codes.h'
  include 'netcdf.inc'
  integer               ,intent(in)     :: DataHandle
  character*(*)         ,intent(in)     :: Element
  character*(*)         ,intent(in)     :: Var
  TYPE_DATA
  TYPE_COUNT
  integer               ,intent(out)    :: Status
  type(wrf_data_handle) ,pointer        :: DH
  character (VarNameLen)                :: VarName
  integer                               :: stat
  integer               ,allocatable    :: Buffer(:)
  integer                               :: i
  integer                               :: NVar
  character*1                           :: null

  null=char(0)
  VarName = Var
  call GetDH(DataHandle,DH,Status)
  if(Status /= WRF_NO_ERR) then
    write(msg,*) &
'Warning Status = ',Status,' in ',__FILE__,' ',ROUTINE_TYPE,', line', __LINE__
    call wrf_debug ( WARN , msg)
    return
  endif
  if(DH%FileStatus == WRF_FILE_NOT_OPENED) then
    Status = WRF_WARN_FILE_NOT_OPENED  
    write(msg,*) &
'Warning FILE NOT OPENED in ',__FILE__,' ',ROUTINE_TYPE,', line', __LINE__
    call wrf_debug ( WARN , msg)
  elseif(DH%FileStatus == WRF_FILE_OPENED_FOR_READ) then
    Status = WRF_WARN_WRITE_RONLY_FILE  
    write(msg,*) &
'Warning WRITE READ ONLY FILE in ',__FILE__,' ',ROUTINE_TYPE,', line', __LINE__ 
    call wrf_debug ( WARN , msg)
  elseif(DH%FileStatus == WRF_FILE_OPENED_FOR_WRITE) then
    Status = WRF_WARN_MD_AFTER_OPEN  
    write(msg,*) &
'Warning WRITE METADATA AFTER OPEN in ',__FILE__,' ',ROUTINE_TYPE,', line', __LINE__
    call wrf_debug ( WARN , msg)
    return
  elseif(DH%FileStatus == WRF_FILE_OPENED_NOT_COMMITTED) then
    do NVar=1,MaxVars
      if(TRIM(DH%VarNames(NVar)) == TRIM(VarName)) then
        exit
      elseif(NVar == MaxVars) then
        Status = WRF_WARN_VAR_NF 
        write(msg,*) &
'Warning VARIABLE NOT FOUND in ',__FILE__,' ',ROUTINE_TYPE,', line', __LINE__ &
                        ,NVar,VarName
        call wrf_debug ( WARN , msg)
        return
      endif
    enddo
#ifdef LOG
    allocate(Buffer(Count), STAT=stat)
    if(stat/= 0) then
      Status = WRF_ERR_FATAL_ALLOCATION_ERROR 
      write(msg,*) &
'Fatal ALLOCATION ERROR in ',__FILE__,' ',ROUTINE_TYPE,', line', __LINE__
      call wrf_debug ( FATAL , msg)
      return
    endif
    do i=1,Count
      if(data(i)) then
         Buffer(i)=1
      else
         Buffer(i)=0
      endif
    enddo
#endif
#ifdef CHAR_TYPE
    if(len_trim(Data).le.0) then
      stat = NF_ROUTINE(DH%NCID,DH%VarIDs(NVar),trim(Element),len_trim(null),null)
    else
      stat = NF_ROUTINE(DH%NCID,DH%VarIDs(NVar),trim(Element), ARGS )
    endif
#else
    stat = NF_ROUTINE(DH%NCID,DH%VarIDs(NVar),trim(Element), ARGS )
#endif
    call netcdf_err(stat,Status)
    if(Status /= WRF_NO_ERR) then
      write(msg,*) &
'NetCDF error for Var ',TRIM(Var),&
        ' Element ',trim(Element),' in ',__FILE__,' ',ROUTINE_TYPE,', line', __LINE__
      call wrf_debug ( WARN , msg)
    endif
#ifdef LOG
    deallocate(Buffer, STAT=stat)
    if(stat/= 0) then
      Status = WRF_ERR_FATAL_DEALLOCATION_ERR 
      write(msg,*) &
'Fatal DEALLOCATION ERROR in ',__FILE__,' ',ROUTINE_TYPE,', line', __LINE__
      call wrf_debug ( FATAL , msg)
      return
    endif
#endif
  else
    Status = WRF_ERR_FATAL_BAD_FILE_STATUS 
    write(msg,*) &
'Fatal error BAD FILE STATUS in ',__FILE__,' ',ROUTINE_TYPE,', line', __LINE__ 
    call wrf_debug ( FATAL , msg)
    return
  endif
  return