SUBROUTINE ADI2_FPSPL( FPATH, MAXW, START, STOP, NWRD, STATUS ) *+ * Name: * ADI2_FPSPL * Purpose: * Split FITS file path into words * Language: * Starlink Fortran * Invocation: * CALL ADI2_FPSPL( FPATH, MAXW, START, STOP, NWRD, STATUS ) * Description: * {routine_description} * Arguments: * FPATH = CHARACTER*(*) (given) * FITS sub-file specification * MAXW = INTEGER (given) * Maximum number of items in the path * START[MAXW] = INTEGER (returned) * Start positions of words in FPATH * STOP[MAXW] = INTEGER (returned) * Stop positions of words in FPATH * NWRD = INTEGER (returned) * Number of words read in FPATH * 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: * ADI Subroutine Guide : http://www.sr.bham.ac.uk/asterix-docs/Programmer/Guides/adi.html * Keywords: * package:adi, usage:private * Copyright: * Copyright (C) University of Birmingham, 1995 * Authors: * DJA: David J. Allan (Jet-X, University of Birmingham) * {enter_new_authors_here} * History: * 26 Sep 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 * Arguments Given: CHARACTER*(*) FPATH INTEGER MAXW * Arguments Returned: INTEGER START(MAXW), STOP(MAXW), NWRD * Status: INTEGER STATUS ! Global status * Local Variables: INTEGER DP, IP ! Character indices LOGICAL MORE ! More bits to path? *. * Check inherited global status. IF ( STATUS .NE. SAI__OK ) RETURN * Initialise NWRD = 0 * While more FPATH IP = 1 MORE = .TRUE. DO WHILE ( MORE ) NWRD = NWRD + 1 IF ( NWRD .GT. MAXW ) THEN STATUS = SAI__ERROR CALL ERR_REP( ' ', 'Too many FITS file path components', : STATUS ) ELSE START(NWRD) = IP IP = IP + 1 DP = INDEX( FPATH(IP:), '.' ) IF ( DP .EQ. 0 ) THEN MORE = .FALSE. STOP(NWRD) = INDEX( FPATH, ' ' ) - 1 ELSE STOP(NWRD) = IP + DP - 2 IP = IP + DP END IF END IF END DO * Report any errors 99 IF ( STATUS .NE. SAI__OK ) CALL AST_REXIT( 'ADI2_FPSPL', STATUS ) END