PR#3 PREFIX /A2OSX.SRC NEW INC 1 AUTO 6 .LIST OFF *-------------------------------------- * S.PStrCpyA * In: * A = hMem of Src String * Out: * A = hMem of Dest String *-------------------------------------- * S.NewPStrYA * IN: * PULLW = PTR to buffer * OUT: * A = hMem to S (PSTRING) *-------------------------------------- S.PStrCpyA jsr S.GetMemPtrA S.NewPStrYA >STYA ZPQuickPtr1 lda (ZPQuickPtr1) inc tay lda #0 Y,A = len of new string >PUSHYA >PUSHA 0 = no option jsr S.GetMem bcs .9 phx >STYA ZPQuickPtr2 lda (ZPQuickPtr1) sta (ZPQuickPtr2) tay beq .2 .1 lda (ZPQuickPtr1),y sta (ZPQuickPtr2),y dey bne .1 .2 pla clc rts .9 sec rts *-------------------------------------- * S.PStrCat * IN: * PULLB = hMem to S1 (PSTRING) * PULLB = hMem to S2 (PSTRING) * OUT: * A = hMem to S1+S2 (PSTRING) *-------------------------------------- S.PStrCat >PULLA jsr S.GetMemPtrA >STYA ZPQuickPtr1 save S1 >PULLA jsr S.GetMemPtrA >STYA ZPQuickPtr2 save S2 lda (ZPQuickPtr1) Compute length of new path = S1 + S2 + 1 sec adc (ZPQuickPtr2) tay lda #0 Y,A = len of new string >PUSHYA >PUSHA 0 = no option jsr S.GetMem bcs .9 OOM error >STYA ZPQuickPtr3 phx save New hMem lda (ZPQuickPtr1) tax ldy #0 .2 iny lda (ZPQuickPtr1),y sta (ZPQuickPtr3),y dex bne .2 lda (ZPQuickPtr2) tax .3 inc ZPQuickPtr2 bne .4 inc ZPQuickPtr2+1 .4 iny lda (ZPQuickPtr2) sta (ZPQuickPtr3),y dex bne .3 tya sta (ZPQuickPtr3) pla returns A = new hMem clc rts .9 sec rts *-------------------------------------- * S.PStrMatch * IN: * PULLB = PTR to String (PSTRING) * PULLB = PTR to Pattern (PSTRING) * OUT: * cc = match * cs = no match *-------------------------------------- S.PStrMatch >PULLW ZPQuickPtr2 pull String >PULLW ZPQuickPtr1 pull Pattern lda (ZPQuickPTR1) Keep Pattern Length in X tax beq .8 Match always if empty ldy #0 .1 inc ZPQuickPTR1 Make PTR1 advance to next char bne .2 inc ZPQuickPTR1+1 .2 lda (ZPQuickPTR1) get pattern char cmp #'*' beq .5 .3 tya we must match ? or regular char cmp (ZPQuickPTR2) check if at end of string beq .9 yes, no char left, exit with error iny advance to next char to compare lda (ZPQuickPTR1) get back pattern char cmp #'?' beq .4 no need to compare, any char will match cmp (ZPQuickPTR2),y Regular Char, compare with string at Y bne .9 no match, exit .4 dex char matched, check if end of pattern bne .1 continue if remaining char in pattern tya end of pattern, but end of string ? cmp (ZPQuickPTR2) end of string ? beq .8 yes, string matched entirely bra .9 no, remaining char in string, no match .5 dex we have '*', last char of pattern ? beq .8 yes, match everything, including empty string inc ZPQuickPTR1 Make PTR1 advance to next char bne .6 inc ZPQuickPTR1+1 .6 lda (ZPQuickPTR1) get next char of pattern cmp #'*' another '*' ? beq .5 yes, '**' = '*', go next char cmp #'?' '*?' ??? we must match a least one char beq .3 .7 tya we need at least one remaining char in string, cmp (ZPQuickPTR2) check if at end of string beq .9 no chance to match ? or regular char iny lda (ZPQuickPTR1) get again char in pattern cmp (ZPQuickPTR2),y compare with char in string bne .7 not equal to next non wildcard in pattern bra .4 go check remaining char in pattern... .8 clc rts .9 sec rts *-------------------------------------- * S.PStrGetTkn * IN: * PULLB = Token IDX * 0: "Split mode": first token + remaining * !0: "Std Mode": Return token # * PULLB = SEP char * PULLB = hMem to PSTRING * OUT: * A = hMem to Token (PSTRING) * X = hMem to Remaining String After Token "Split Mode" *-------------------------------------- S.PStrGetTkn >PULLA Get IDX sta S.PStrGetTkn.IDX >PULLA Get SEP sta S.PStrGetTkn.SEP >PULLA Get PStr jsr S.GetMemPtrA >STYA ZPQuickPtr1 S.PStrGetTkn1 ldx #0 init token count to 0 ldy #0 stz S.PStrGetTkn.START init INTOKEN start to 0 .1 iny lda (ZPQuickPtr1),y and #$7F cmp S.PStrGetTkn.SEP char=SEP ? bne .3 no, start a new token if not alredy in lda S.PStrGetTkn.START SEP:in INTOKEN ? beq .4 no, skip this SEP inx yes, increase token count lda S.PStrGetTkn.IDX requested token=0 ? beq .71 yes, we are in "split mode" cpx S.PStrGetTkn.IDX no,is current X=requested IDX? beq .71 stz S.PStrGetTkn.START reset in INTOKEN start bra .4 .3 lda S.PStrGetTkn.START char:already INTOKEN ? bne .4 yes, keep existing start index sty S.PStrGetTkn.START mark begining of token .4 tya cmp (ZPQuickPtr1) end of string ? bne .1 no, get next one lda S.PStrGetTkn.START INTOKEN? beq .6 inx yes, last one is ending with string .6 lda S.PStrGetTkn.IDX split mode ? beq .7 cpx S.PStrGetTkn.IDX is token = requested? beq .7 sec End of String reached, no matching token .61 rts .71 dey move back yo end of token before this SEP .7 sty S.PStrGetTkn.END we have matching token (or 1st one in split mode) at [START,END] tya compute token len=Y-END sec sbc S.PStrGetTkn.START inc +1 inc +1 for string len tay lda #0 >PUSHYA Get a hMem for this token >PUSHA 0 = no option jsr S.GetMem bcs .61 phx save hMem >STYA ZPQuickPtr2 lda S.PStrGetTkn.END sec sbc S.PStrGetTkn.START inc sta (ZPQuickPtr2) set this string length ldy S.PStrGetTkn.START dey .8 iny inc ZPQuickPtr2 bne .9 inc ZPQuickPtr2+1 .9 lda (ZPQuickPtr1),y sta (ZPQuickPtr2) cpy S.PStrGetTkn.END bne .8 lda S.PStrGetTkn.IDX requested token=0 ? bne .87 tya yes, we are in "split mode" cmp (ZPQuickPtr1) Remaining chars ? beq .87 .10 iny move to next char lda (ZPQuickPtr1),y cmp S.PStrGetTkn.SEP char=SEP? bne .11 tya cmp (ZPQuickPtr1) last one ? bne .10 bra .87 yes, nothing to return .11 sty S.PStrGetTkn.END S.PStrGetTkn.END=1st non SEP char lda (ZPQuickPtr1) compute reamining len=Y-ZPQuickPtr1+1 sec sbc S.PStrGetTkn.END inc inc +1 for string len tay lda #0 >PUSHYA Get a hMem for remaining string >PUSHA 0 = no option jsr S.GetMem bcs .98 phx save hMem >STYA ZPQuickPtr2 lda (ZPQuickPtr1) sec sbcS.PStrGetTkn.END inc sta (ZPQuickPtr2) ldy S.PStrGetTkn.END dey .12 iny inc ZPQuickPtr2 bne .13 inc ZPQuickPtr2+1 .13 lda (ZPQuickPtr1),y sta (ZPQuickPtr2) tya cmp (ZPQuickPtr1) bne .12 plx get back remaining string hMem pla get back token hMem clc rts .87 ldx #0 Splitmode but no remaining string to return pla get back token hMem clc rts .98 pla get back Token hMem jsr S.FreeMemA discard Token .99 sec rts *-------------------------------------- S.PStrGetTkn.SEP .BS 1 S.PStrGetTkn.IDX .BS 1 S.PStrGetTkn.START .BS 1 S.PStrGetTkn.END .BS 1 *-------------------------------------- S.GetArgCount clc rts *-------------------------------------- S.GetArgA clc rts *-------------------------------------- MAN SAVE SYS/KERNEL.S.STR LOAD SYS/KERNEL.S ASM