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/*
*+
*  Name:
*     ffitstable.c

*  Purpose:
*     Define a FORTRAN 77 interface to the AST FitsTable class.

*  Type of Module:
*     C source file.

*  Description:
*     This file defines FORTRAN 77-callable C functions which provide
*     a public FORTRAN 77 interface to the FitsTable class.

*  Routines Defined:
*     AST_ISAFITSTABLE
*     AST_FITSTABLE

*  Copyright:
*     Copyright (C) 2010 Science & Technology Facilities Council.
*     All Rights Reserved.

*  Licence:
*     This program is free software: you can redistribute it and/or
*     modify it under the terms of the GNU Lesser General Public
*     License as published by the Free Software Foundation, either
*     version 3 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 Lesser General Public License for more details.
*
*     You should have received a copy of the GNU Lesser General
*     License along with this program.  If not, see
*     <http://www.gnu.org/licenses/>.

*  Authors:
*     DSB: David S.Berry (Starlink)

*  History:
*     25-NOV-2010 (DSB):
*        Original version.
*/

/* Define the astFORTRAN77 macro which prevents error messages from
   AST C functions from reporting the file and line number where the
   error occurred (since these would refer to this file, they would
   not be useful). */
#define astFORTRAN77

/* Header files. */
/* ============= */
#include "ast_err.h"             /* AST error codes */
#include "f77.h"                 /* FORTRAN <-> C interface macros (SUN/209) */
#include "c2f77.h"               /* F77 <-> C support functions/macros */
#include "error.h"               /* Error reporting facilities */
#include "memory.h"              /* Memory handling facilities */
#include "fitstable.h"           /* C interface to the FitsTable class */

F77_LOGICAL_FUNCTION(ast_isafitstable)( INTEGER(THIS),
                                        INTEGER(STATUS) ) {
   GENPTR_INTEGER(THIS)
   F77_LOGICAL_TYPE(RESULT);

   astWatchSTATUS(
   astAt( "AST_ISAFITSTABLE", NULL, 0 );
      RESULT = astIsAFitsTable( astI2P( *THIS ) ) ? F77_TRUE : F77_FALSE;
   )
   return RESULT;
}

F77_INTEGER_FUNCTION(ast_fitstable)( INTEGER(HEADER),
                                     CHARACTER(OPTIONS),
                                     INTEGER(STATUS)
                                     TRAIL(OPTIONS) ) {
   GENPTR_INTEGER(HEADER)
   GENPTR_CHARACTER(OPTIONS)
   F77_INTEGER_TYPE(RESULT);
   int i;
   char *options;

   astAt( "AST_FITSTABLE", NULL, 0 );
   astWatchSTATUS(
      options = astString( OPTIONS, OPTIONS_length );

/* Truncate the options string to exlucde any trailing spaces. */
      astChrTrunc( options );

/* Change ',' to '\n' (see AST_SET in fobject.c for why). */
      if ( astOK ) {
         for ( i = 0; options[ i ]; i++ ) {
            if ( options[ i ] == ',' ) options[ i ] = '\n';
         }
      }
      RESULT = astP2I( astFitsTable( astI2P( *HEADER ), "%s", options ) );
      astFree( options );
   )
   return RESULT;
}

F77_INTEGER_FUNCTION(ast_gettableheader)( INTEGER(THIS),
                                          INTEGER(STATUS) ) {
   GENPTR_INTEGER(THIS)
   F77_INTEGER_TYPE(RESULT);

   astAt( "AST_GETTABLEHEADER", NULL, 0 );
   astWatchSTATUS(
      RESULT = astP2I( astGetTableHeader( astI2P( *THIS ) ) );
   )
   return RESULT;
}


F77_SUBROUTINE(ast_puttableheader)( INTEGER(THIS),
                                    INTEGER(HEADER),
                                    INTEGER(STATUS) ) {
   GENPTR_INTEGER(THIS)
   GENPTR_INTEGER(HEADER)

   astAt( "AST_PUTTABLEHEADER", NULL, 0 );
   astWatchSTATUS(
      astPutTableHeader( astI2P( *THIS ), astI2P( *HEADER ) );
   )
}

F77_INTEGER_FUNCTION(ast_columnnull)( INTEGER(THIS),
                                      CHARACTER(COLUMN),
                                      LOGICAL(SET),
                                      INTEGER(NEWVAL),
                                      LOGICAL(WASSET),
                                      LOGICAL(HASNULL),
                                      INTEGER(STATUS)
                                      TRAIL(COLUMN) ) {
   GENPTR_INTEGER(THIS)
   GENPTR_CHARACTER(COLUMN)
   GENPTR_LOGICAL(SET)
   GENPTR_INTEGER(NEWVAL)
   GENPTR_LOGICAL(WASSET)
   GENPTR_LOGICAL(HASNULL)
   F77_INTEGER_TYPE(RESULT);
   int wasset, hasnull;
   char *column;

   astAt( "AST_COLUMNNULL", NULL, 0 );
   astWatchSTATUS(
      column = astString( COLUMN, COLUMN_length );
      RESULT = astColumnNull( astI2P( *THIS ), column,
                              F77_ISTRUE( *SET ) ? 1 : 0, *NEWVAL,
                              &wasset, &hasnull );
      *WASSET = wasset ? F77_TRUE : F77_FALSE;
      *HASNULL = hasnull ? F77_TRUE : F77_FALSE;
      astFree( column );
   )
   return RESULT;
}

F77_INTEGER_FUNCTION(ast_columnsize)( INTEGER(THIS),
                                      CHARACTER(COLUMN),
                                      INTEGER(STATUS)
                                      TRAIL(COLUMN) ) {
   GENPTR_INTEGER(THIS)
   GENPTR_CHARACTER(COLUMN)
   F77_INTEGER_TYPE(RESULT);
   char *column;
   size_t result;

   astAt( "AST_COLUMNSIZE", NULL, 0 );
   astWatchSTATUS(
      column = astString( COLUMN, COLUMN_length );
      result = astColumnSize( astI2P( *THIS ), column );
      astFree( column );

      RESULT = result;
      if( (size_t) RESULT != result && astOK ) {
         astError( AST__BIGTAB, "AST_COLUMNSIZE(FitsTable): The number of bytes in the "
                   "column is too large to fit in a Fortran INTEGER.", status );
      }

   )
   return RESULT;
}

F77_SUBROUTINE(ast_getcolumndata)( INTEGER(THIS),
                                   CHARACTER(COLUMN),
                                   REAL(RNULL),
                                   DOUBLE(DNULL),
                                   INTEGER(MXSIZE),
                                   BYTE_ARRAY(COLDATA),
                                   INTEGER(NELEM),
                                   INTEGER(STATUS)
                                   TRAIL(COLUMN) ) {
   GENPTR_INTEGER(THIS)
   GENPTR_CHARACTER(COLUMN)
   GENPTR_REAL(RNULL)
   GENPTR_DOUBLE(DNULL)
   GENPTR_INTEGER(MXSIZE)
   GENPTR_BYTE_ARRAY(COLDATA)
   GENPTR_INTEGER(NELEM)
   char *column;

   astAt( "AST_GETCOLUMNDATA", NULL, 0 );
   astWatchSTATUS(
      column = astString( COLUMN, COLUMN_length );
      astGetColumnData( astI2P( *THIS ), column, *RNULL, *DNULL, *MXSIZE,
                        (void *) COLDATA, NELEM );
      astFree( column );
   )
}

F77_SUBROUTINE(ast_putcolumndata)( INTEGER(THIS),
                                   CHARACTER(COLUMN),
                                   INTEGER(CLEN),
                                   INTEGER(SIZE),
                                   BYTE_ARRAY(COLDATA),
                                   INTEGER(STATUS)
                                   TRAIL(COLUMN) ) {
   GENPTR_INTEGER(THIS)
   GENPTR_CHARACTER(COLUMN)
   GENPTR_INTEGER(CLEN)
   GENPTR_INTEGER(SIZE)
   GENPTR_BYTE_ARRAY(COLDATA)
   char *column;

   astAt( "AST_PUTCOLUMNDATA", NULL, 0 );
   astWatchSTATUS(
      column = astString( COLUMN, COLUMN_length );
      astPutColumnData( astI2P( *THIS ), column, *CLEN, *SIZE, (void *) COLDATA );
      astFree( column );
   )
}