SUBROUTINE BDI1_CHK( NARG, ARGS, OARG, STATUS ) *+ * Name: * BDI1_CHK * Purpose: * Service FileItemChk requests from the BDI system for HDS files * Language: * Starlink Fortran * Invocation: * CALL BDI1_CHK( NARG, ARGS, OARG, STATUS ) * Description: * Services BDI chk requests for HDS files. * Arguments: * NARG = INTEGER (given) * Number of method arguments * ARGS(*) = INTEGER (given) * ADI identifier of method arguments * OARG = INTEGER (returned) * Output data * STATUS = INTEGER (given and returned) * The global status. * Examples: * {routine_example_text} * {routine_example_description} * Pitfalls: * {pitfall_description}... * Notes: * {routine_notes}... * Prior Requirements: * {routine_prior_requirements}... * Side Effects: * {routine_side_effects}... * Algorithm: * {algorithm_description}... * Accuracy: * {routine_accuracy} * Timing: * {routine_timing} * External Routines Used: * {name_of_facility_or_package}: * {routine_used}... * Implementation Deficiencies: * {routine_deficiencies}... * References: * BDI Subroutine Guide : http://www.sr.bham.ac.uk/asterix-docs/Programmer/Guides/bdi.html * Keywords: * package:bdi, usage:private * Copyright: * Copyright (C) University of Birmingham, 1995 * Authors: * DJA: David J. Allan (Jet-X, University of Birmingham) * {enter_new_authors_here} * History: * 9 Aug 1995 (DJA): * Original version. * {enter_changes_here} * Bugs: * {note_any_bugs_here} *- * Type Definitions: IMPLICIT NONE ! No implicit typing * Global Constants: INCLUDE 'SAE_PAR' ! Standard SAE constants INCLUDE 'ADI_PAR' INCLUDE 'DAT_PAR' * Arguments Given: INTEGER NARG, ARGS(*) * Arguments Returned: INTEGER OARG * Status: INTEGER STATUS ! Global status * Local Variables: CHARACTER*(DAT__SZLOC) CLOC ! New component CHARACTER*20 ITEM INTEGER NDIM, DIMS(DAT__MXDIM) ! Model object dims LOGICAL PRIM ! Object is primitive? LOGICAL OK ! Object exists/ok? *. * Check inherited global status. IF ( STATUS .NE. SAI__OK ) RETURN * Extract the arguments CALL ADI_GET0C( ARGS(3), ITEM, STATUS ) * Ensure objects satisfy mapping requirement CALL BDI1_CFIND( ARGS(1), ARGS(2), ITEM, .FALSE., .FALSE., CLOC, : NDIM, DIMS, STATUS ) * Everything ok? IF ( (STATUS .EQ. SAI__OK) .AND. (CLOC.NE.DAT__NOLOC) ) THEN * Data is valid CALL DAT_PRIM( CLOC, PRIM, STATUS ) IF ( PRIM ) THEN CALL DAT_STATE( CLOC, OK, STATUS ) ELSE OK = .TRUE. END IF * Release object CALL DAT_ANNUL( CLOC, STATUS ) ELSE IF ( STATUS .NE. SAI__OK ) CALL ERR_ANNUL( STATUS ) OK = .FALSE. END IF * Create return valuie CALL ADI_NEWV0L( OK, OARG, STATUS ) * Report any errors IF ( STATUS .NE. SAI__OK ) CALL AST_REXIT( 'BDI1_CHK', STATUS ) END