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158 lines
4.7 KiB
Plaintext
158 lines
4.7 KiB
Plaintext
;
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; File: OSUTILS.a
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;
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; Implements the C interface for the OS Utilities register based traps.
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; Note: routines appear in same order as "Inside Macintosh"
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; Written by Dan Smith 15-Nov-84 (converted version of the pascal interface)
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;
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;
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; Copyright: © 1984-1992 by Apple Computer, Inc., all rights reserved.
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;
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; Change History (most recent first):
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;
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; <3> 7/6/92 DCL Added Support for new synonyms.
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; <2> 10/2/90 JAL Removed old/commented out code.
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; Modifications:
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; 4 Feb 88 KLH added debugstr.
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; 11 Feb 88 KLH Changed C headers to work with new C compiler:
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; Changed to using standard glue in Interface.o, so
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; much glue removed from CInterface.o.
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; *** MPW 3.0d4 ***
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; 19 Oct 88 KLH Check equalstring to make sure both strings are not
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; the same so c2pstr won't happen twice on the same string.
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; Suggested by Steve Lurya.
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; *** MPW 3.0a2 ***
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; 4 Dec 89 JAL Moved equalstring and debugstr to Runtime.o
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include 'macintosh.a'
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;++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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;
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; String Comparison
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;
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;++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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;----------------------------------------------------------------------
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;
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; FUNCTION relstring(str1,str2: Str255; caseSens, diacSens: Boolean): integer;
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;
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; Just like _CmpString, except it indicates sorting order of strings,
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; _CmpString only tells whether or not they're equal.
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;
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;
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; Arguments:
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; str1 the first string
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; str2 the second string
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; caseSens case sensitive?
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; diacSens sensitive to diacriticals?
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;
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; Entry:
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; A0 - points to first character of first string
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; A1 - points to first character of second string
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; D0 (Hi Word) length of first string
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; D0 (Lo Word) length of second string
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;
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; Exit:
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; D0.L - -1 if first string sorts before second string
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; 0 if strings are equal
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; 1 if first string sorts after second string
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;
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relstring FUNC EXPORT
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import p2cstr ; p2cstr(s) char *s;
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import c2pstr ; c2pstr(s) char *s;
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LINK A6, #0 ; allocate stack frame
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; Convert strings to pascal format
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move.l 8(a6),-(sp) ; address of str1
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jsr c2pstr ; convert to pascal string
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addq #4,sp ; pop parameter
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move.l 12(a6),-(sp) ; address of str2
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jsr c2pstr ; convert to pascal string
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addq #4,sp ; pop parameter
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MOVE.L 8(A6),A0 ;ptr to str1
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MOVE.L 12(A6),A1 ;ptr to str2
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MOVEQ #0,D0
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MOVE.B (A0)+,D0 ;str1 length
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SWAP D0
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MOVE.B (A1)+,D0 ;str2 length
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;depending on value of booleans, make proper call
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TST.B 20(A6) ;value of diacSens
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BEQ.S @2 ;strip diacriticals
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TST.B 16(A6) ;value of caseSens
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BEQ.S @1 ;ignore case
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_RelString ,CASE ;both diacritical and case sensitive
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BRA.S @4
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@1 _RelString ;diacritical sensitive,map to upper case
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BRA.S @4
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;strip diacriticals
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@2 TST.B 16(A6) ;case sensitive?
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BEQ.S @3
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_RelString ,MARKS,CASE ;ignore diacrits, case sensitive
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BRA.S @4
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@3 _RelString ,MARKS ;ignore diacrits and map to upper case
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@4 move.w d0,-(sp) ; save result
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; Convert strings back to C format
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move.l 8(a6),-(sp) ; address of str1
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jsr p2cstr ; convert to c string
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addq #4,sp ; pop paramter
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move.l 12(a6),-(sp) ; address of str2
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jsr p2cstr ; convert to c string
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addq #4,sp ; pop paramter
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move.w (sp)+,d0 ; restore result
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ext.w d0
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ext.l d0
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UNLK A6 ; restore stack
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rts ; return
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;-------------------------------------------------------------------------------
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;
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; void uprstring(theString,diacSens)
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; char *theString;
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; Boolean diacSens;
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;
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uprstring proc EXPORT
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move.l 4(sp),d0 ; ptr to string to canonize
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beq.s @4 ; bail out if nil
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move.l d0,a0 ; get ptr to string
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move.l a0,a1 ; copy of ptr to string
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@1 tst.b (a1)+ ; test for zero terminator
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bne.s @1
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sub.l a0,a1 ; subtract ptrs to get length + 1
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subq #1,a1 ; string length
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move.l a1,d0 ; string length
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beq.s @4
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; decide which flavor of uprString to call and call it
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move.l d2,-(sp) ; save register d2
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tst.l 12(sp) ; diacritical sensitivity bool
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beq.s @2 ; ignore diacriticals
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_UprString ; keep diacriticals
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bra.s @3
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@2 _UprString ,MARKS
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@3 move.l (sp)+,d2 ; restore register d2
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@4 rts
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END
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