53 lines
1.8 KiB
OpenEdge ABL
53 lines
1.8 KiB
OpenEdge ABL
49400 #include "rundecs.h"
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49410 (* COPYRIGHT 1983 C.H.LINDSEY, UNIVERSITY OF MANCHESTER *)
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49420 (**)
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49430 (**)
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49440 PROCEDURE GARBAGE (ANOBJECT: OBJECTP); EXTERN ;
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49450 FUNCTION CRSTRING(LENGTH: OFFSETRANGE): OBJECTP; EXTERN;
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49460 PROCEDURE ERRORR(N :INTEGER); EXTERN ;
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49470 (**)
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49480 (**)
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49490 FUNCTION STRSUB(OBJECT: OBJECTP; INDEX: BOUNDSRANGE): CHAR;
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49500 (*PSTRINGSLICE*)
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49510 BEGIN
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49520 WITH OBJECT^ DO
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49530 BEGIN
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49540 IF INDEX<1 THEN ERRORR(RSL1ERROR)
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49550 ELSE IF INDEX>STRLENGTH THEN ERRORR(RSL2ERROR)
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49560 ELSE STRSUB := CHARVEC[INDEX];
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49570 END;
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49580 IF FPTST(OBJECT^) THEN GARBAGE(OBJECT);
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49590 END;
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49600 (**)
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49610 (**)
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49620 FUNCTION STRTRIM(INDEX: BOUNDSRANGE; TRTYPE: INTEGER): OBJECTP;
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49630 (*PSTRINGSLICE+1*)
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49640 VAR OLD, NEW :OBJECTP;
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49650 LI, UI: BOUNDSRANGE;
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49660 I :INTEGER;
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49670 BEGIN
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49680 CASE TRTYPE OF
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49690 0,8: BEGIN OLD := ASPTR(INDEX); LI := 1; UI := OLD^.STRLENGTH END;
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49700 2: BEGIN OLD := ASPTR(GETSTKTOP(SZADDR, 0)); LI := 1; UI := INDEX END;
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49710 4: BEGIN OLD := ASPTR(GETSTKTOP(SZADDR, 0)); LI := INDEX; UI := OLD^.STRLENGTH END;
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49720 6: BEGIN OLD := ASPTR(GETSTKTOP(SZADDR, SZINT)); LI := GETSTKTOP(SZINT, 0); UI := INDEX END;
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49730 END;
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49740 IF LI<1 THEN ERRORR(RSL1ERROR)
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49750 ELSE IF UI>OLD^.STRLENGTH THEN ERRORR(RSL2ERROR)
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49760 ELSE
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49770 BEGIN
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49780 LI := LI-1;
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49790 NEW := CRSTRING(UI-LI);
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49800 FOR I := LI+1 TO UI DO
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49810 NEW^.CHARVEC[I-LI] := OLD^.CHARVEC[I];
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49820 IF FPTST(OLD^) THEN GARBAGE(OLD);
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49830 STRTRIM := NEW;
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49840 END;
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49850 END;
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49860 (**)
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49870 (**)
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49880 (*-02() BEGIN END ; ()-02*)
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49890 (*+01()
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49900 BEGIN (*OF MAIN PROGRAM*)
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49910 END (*OF EVERYTHING*).
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49920 ()+01*)
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