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sources/chmenttrm.bli
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%TITLE 'CHMENTTRM - test for entity delimiter'
MODULE CHMENTTRM ( ! Test for entity delimiter
IDENT = '3-002' ! File: CHMENTTRM.BLI Edit: CJG3002
) =
BEGIN
!
! COPYRIGHT (c) 1981, 1985 BY
! DIGITAL EQUIPMENT CORPORATION, MAYNARD, MASS.
! ALL RIGHTS RESERVED.
!
! THIS SOFTWARE IS FURNISHED UNDER A LICENSE AND MAY BE USED AND COPIED
! ONLY IN ACCORDANCE WITH THE TERMS OF SUCH LICENSE AND WITH THE
! INCLUSION OF THE ABOVE COPYRIGHT NOTICE. THIS SOFTWARE OR ANY OTHER
! COPIES THEREOF MAY NOT BE PROVIDED OR OTHERWISE MADE AVAILABLE TO ANY
! OTHER PERSON. NO TITLE TO AND OWNERSHIP OF THE SOFTWARE IS HEREBY
! TRANSFERRED.
!
! THE INFORMATION IN THIS SOFTWARE IS SUBJECT TO CHANGE WITHOUT NOTICE
! AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY DIGITAL EQUIPMENT
! CORPORATION.
!
! DIGITAL ASSUMES NO RESPONSIBILITY FOR THE USE OR RELIABILITY OF ITS
! SOFTWARE ON EQUIPMENT WHICH IS NOT SUPPLIED BY DIGITAL.
!
!++
! FACILITY: EDT -- The DEC Standard Editor
!
! ABSTRACT:
!
! This module determines if the current character is an
! entity delimiter.
!
! ENVIRONMENT: Runs at any access mode - AST reentrant
!
! AUTHOR: Bob Kushlis, CREATION DATE: Unknown
!
! MODIFIED BY:
!
! 1-001 - Original. DJS 04-Feb-1981. This module was created by
! extracting the routine EDT$$TST_ENTDELIM from module CHANGE.BLI.
! 1-002 - Regularize headers. JBS 02-Mar-1981
! 3-001 - Change code to handle different format entities. GB 7-Apr-1983
! 3-002 - Modify loop to improve speed. CJG 29-Jun-1983
!--
%SBTTL 'Declarations'
!
! TABLE OF CONTENTS:
!
REQUIRE 'EDTSRC:TRAROUNAM';
FORWARD ROUTINE
EDT$$TST_ENTDELIM; ! Determine if the current character is an entity delimiter
!
! INCLUDE FILES:
!
REQUIRE 'EDTSRC:EDTREQ';
!
! MACROS:
!
! NONE
!
! EQUATED SYMBOLS:
!
! NONE
!
! OWN STORAGE:
!
! NONE
!
! EXTERNAL REFERENCES:
!
! In the routine
%SBTTL 'EDT$$TST_ENTDELIM - test for entity delimiter'
GLOBAL ROUTINE EDT$$TST_ENTDELIM ( ! Test for entity delimiter
TERM_STRING ! Counted string of delimiter characters
) =
!++
! FUNCTIONAL DESCRIPTION:
!
! This function returns a 1 if the current character is an entity delimiter.
!
! FORMAL PARAMETERS:
!
! TERM_STRING a counted string of valid delimiter characters
!
! IMPLICIT INPUTS:
!
! LN_PTR
!
! IMPLICIT OUTPUTS:
!
! NONE
!
! ROUTINE VALUE:
!
! 1 Character is a delimiter
! 0 Character is not a delimiter
!
! SIDE EFFECTS:
!
! NONE
!
!--
BEGIN
EXTERNAL
LN_PTR; ! Current character pointer
LOCAL
NT,
CH,
TS;
TS = CH$PTR (.TERM_STRING + 1,, BYTE_SIZE);
NT = ..TERM_STRING;
CH = CH$RCHAR (.LN_PTR);
DECR I FROM .NT - 1 TO 0 DO
IF (.CH EQL CH$RCHAR_A (TS)) THEN RETURN (1);
RETURN (0);
END;
END
ELUDOM