A2osX/BIN/X.FILEENUM.S.txt

PR#3
PREFIX /A2OSX.BUILD
NEW
INC 1
AUTO 6
				.LIST OFF	
*--------------------------------------
X.MAX.RECURSE	.EQ 8
*--------------------------------------
* Uses: (pData)
*  hDIRs		.BS X.MAX.RECURSE+1
*  hDIRENTs		.BS X.MAX.RECURSE+1
*  Index		.BS 1
*  hSrcBasePath	.BS 1
*  hDstBasePath	.BS 1				(optional)
*  STAT			.BS S.STAT
*--------------------------------------
InitSrcDirYA	>SYSCALL RealPath.YA
				bcc .10
				rts
				
.10				>STYA ZPPtr1
				txa
				>STA.G hFullPath

				ldy #1
				lda (ZPPtr1),y
*				beq .5					we have '/'
				bne .55
				jmp .5
				
.55				>PUSHEA.G STAT
				>PUSHW ZPPtr1
				>SYSCALL Stat
				bcs .1					File/DIR does not exists, go extract pattern
				
				>LDA.G STAT+S.STAT.P.TYPE
				cmp #$0f
				bne .4					TYPE not a DIR, extract....
				beq .5					TYPE=DIR, do not extract pattern 				
				
.1				ldy #0					TYPE is not DIR, check if wc
				
.11				iny
				lda (ZPPtr1),y			Get Src Path Len
				bne .11
				
				dey
				
				ldx #0					Init Wildcard count
				
.2				lda	(ZPPtr1),y			search backward for a /
				cmp #'/'
				beq .3
				
				cmp #'?'				Test if some wildcard chars....
				beq .21
				cmp #'*'
				bne .22
				
.21				inx						inc wildcard count
.22				dey
				bne .2
				
.3				txa
				beq .91					no wc, file not found....
				
.4				ldy #0

.41				iny						Search end of string.....
				lda (ZPPtr1),y
				bne .41
				
				lda #'/'
				
.42				dey
				cmp (ZPPtr1),y			Search backward /
				bne .42
				
				tya
				sec						+1 to skip '/'
				adc ZPPtr1
				sta ZPPtr2
				tay
				lda ZPPtr1+1
				adc #0
				sta ZPPtr2+1
				
				>SYSCALL Newstr.YA
				bcs .9
				txa
				>STA.G hFilter

				lda #0
				sta (ZPPtr2)
				
.5				>LDYAI 256
				>SYSCALL GetMem.YA		Get a 256 buffer to store BasePath
				bcs .9
				
				>STYA ZPPtr2
				txa
				>STA.G hSrcBasePath

				ldy #$ff
				
.6				iny
				lda (ZPPtr1),y
				sta (ZPPtr2),y
				bne .6
					
				>LDYA ZPPtr2
				>SYSCALL OpenDir.YA
				
				bcs .9
				
				ldy #hDIRs
				sta (pData),y			set hDIRs[0] = Src Hdir
				
				ldy #index
				lda #1
				sta (pData),y			index=hDIRs[0]
				
				jsr .9					Cleanup
				
				clc
				rts
				
.91				lda #MLI.E.FNOTFND

.9				pha
				>LDA.G hFullPath
				>SYSCALL FreeMem.A
				pla
				sec
InitSrcDirYA.RTS
				rts	
*--------------------------------------
				.DO X.COPY.TO.DEST=1
				
InitDstDirYA	>SYSCALL RealPath.YA
				bcs InitSrcDirYA.RTS

				>STYA ZPPtr1
				txa
				>STA.G hFullPath
				
				>PUSHEA.G STAT
				>PUSHW ZPPtr1
				>SYSCALL Stat
				bcs .1					File/DIR does not exists, go extract DstFileName
				
				>LDA.G STAT+S.STAT.P.TYPE
				cmp #$0f
				beq .5					Dst is a directory...no destfilename
				
.1				ldy #0

.11				iny						Search end of string.....
				lda (ZPPtr1),y
				bne .11
				
				lda #'/'
				
.2				dey
				cmp (ZPPtr1),y			Search backward /
				bne .2
				
				tya
				sec						+1 to skip '/'
				adc ZPPtr1
				sta ZPPtr2
				tay
				lda ZPPtr1+1
				adc #0
				sta ZPPtr2+1

				>SYSCALL NewStr.YA
				bcs .9
				txa
				>STA.G hDstFileName

				lda #0
				sta (ZPPtr2)				
				
.5				>LDYAI 256
				>SYSCALL GetMem.YA		Get a 256 buffer to store DstBasePath
				bcs .9
				
				>STYA ZPPtr2
				txa
				>STA.G hDstBasePath
				
				ldy #$ff
				
.6				iny
				lda (ZPPtr1),y
				sta (ZPPtr2),y
				bne .6
				
				dey

				lda #'/'
				cmp (ZPPtr2),y
				beq .7
				
				iny
				sta (ZPPtr2),y
				iny
				lda #0
				sta (ZPPtr2),y
	
.7				jsr .9					Cleanup

				clc
.99				rts
			
.9				pha
				>LDA.G hFullPath
				>SYSCALL FreeMem.A
				pla
				sec
				rts	
				
				.FIN
*--------------------------------------
GetNextEntry	jsr GetEntry
				bcs .9
				
				ldy #0
				
.10				iny
				lda (ZPFileName),y		Save actual file len for setting up
				bne .10
				phy						new offset later
				
				lda ZPFileStat
				clc
				adc #S.STAT
				sta ZPFileName
				
				lda ZPFileStat+1
				adc /S.STAT
				sta ZPFileName+1		Make nDIRENTs[i] point to next DIRENT

				lda (ZPFileName)		are we at end of this buffer ?
				beq .1					yes, go read next one ...
				
				sec
				adc ZPFileName
				sta ZPFileStat
				lda ZPFileName+1
				adc #0
				sta ZPFileStat+1

				ldy #index
				lda (pData),y
				asl
				clc
				adc #oDIRENTs-1
				tay

				pla						Get back previous file len
				
				sec
				adc (pData),y
				sta (pData),y
				iny

				lda #0
				adc (pData),y
				sta (pData),y
				
				dey
				
				lda #S.STAT
				clc
				adc (pData),y
				sta (pData),y
				iny

				lda /S.STAT
				adc (pData),y
				sta (pData),y
				clc
				rts
				
.1				pla
				jsr GetEntry.ReadDir
				bcs .9
				lda (ZPFileName)
				beq .99
				
				ldy #0
				
.2				iny
				lda (ZPFileName),y
				bne .2
				tya
				
				sec
				adc ZPFileName
				sta ZPFileStat
				lda ZPFileName+1
				adc #0
				sta ZPFileStat+1
				
				clc
.9				rts

.99				sec
				rts
*--------------------------------------
GetEntry		ldy #index
				lda (pData),y
				clc
				adc #hDIRENTs-1
				tay
				lda (pData),y
				bne .1					we have a buffer to scan
				
				jsr GetEntry.ReadDir	First run, get first block
				bcs .9					ZPFileName = start of buffer

				lda (ZPFileName)		Empty !!!
				bne .8
				
*				txa
*				>SYSCALL FreeMem.A
				sec
				rts

.1				>SYSCALL GetMemPtr.A
				>STYA ZPFileName		
				
				ldy #index
				lda (pData),y
				asl
				clc
				adc #oDIRENTs-1
				tay
				
				lda ZPFileName
				clc
				adc (pData),y
				sta ZPFileName
				
				iny
				lda ZPFileName+1
				adc (pData),y
				sta ZPFileName+1		ZPFileName=ZPFileName+oDIRENT
				
.8				ldy #0

.81				iny
				lda (ZPFileName),y
				bne .81
				tya
				sec
				adc ZPFileName
				sta ZPFileStat
				lda ZPFileName+1
				adc #0
				sta ZPFileStat+1
			
				clc
.9				rts
*--------------------------------------
GetEntry.ReadDir
				ldy #index
				lda (pData),y
				clc
				adc #hDIRENTs-1
				tay
				lda (pData),y
				beq .1
				pha
				lda #0
				sta (pData),y			reset hDIRENT
				pla
				>SYSCALL FreeMem.A		discard previous hDIRENT

.1				ldy #index
				lda (pData),y
				clc
				adc #hDIRs-1
				tay
				lda (pData),y
				
				>SYSCALL ReadDir.A
				bcs .9
				>STYA ZPFileName
				
				ldy #index
				lda (pData),y
				clc
				adc #hDIRENTs-1
				tay
				txa						get hDIRENT in A
				sta (pData),y
				
				ldy #index
				lda (pData),y
				asl
				clc
				adc #oDIRENTs-1			and reset offset for this buffer
				tay
				lda #0
				sta (pData),y
				iny
				sta (pData),y
				clc
.9				rts
*--------------------------------------
EnterSubDirYA	>STYA ZPPtr2			save SUBDIR for StrCat

				ldy #index
				lda (pData),y
				cmp #X.MAX.RECURSE
				beq .9

				ldy #hSrcBasePath
				jsr EnterSubDirYA.1
				
				>LDYA ZPPtr1
				>SYSCALL OpenDir.YA

				bcs .9
				pha
				
				ldy #index
				lda (pData),y
				inc
				sta (pData),y
				tax
*				clc						from BCS
				adc #hDIRs-1
				tay
				pla
				sta (pData),y
				
				txa						make sure hDIRENTs[i] is closed
				adc #hDIRENTs-1
				tay
				lda #0
				sta (pData),y
				
				.DO X.COPY.TO.DEST=1
				ldy #hDstBasePath
				jsr EnterSubDirYA.1
				.FIN
				
				clc
.9				rts

EnterSubDirYA.1	lda (pData),y
				>SYSCALL GetMemPtr.A
				
				>STYA ZPPtr1			save full path
				
				>PUSHW ZPPtr2
				>PUSHW ZPPtr1
				>SYSCALL StrCat

				ldy #0
				
.1				iny
				lda (ZPPtr1),y
				bne .1
				
				lda #'/'
				sta (ZPPtr1),y
				iny
				lda #0
				sta (ZPPtr1),y
				
				rts
*--------------------------------------
LeaveSubDir		ldy #index
				lda (pData),y
				beq .9
				
				ldy #index
				lda (pData),y
				clc
				adc #hDIRENTs-1
				tay
				lda (pData),y
				beq .1
				
				pha
				lda #0
				sta (pData),y
				pla
				>SYSCALL FreeMem.A
				
.1				ldy #index
				lda (pData),y
				clc
				adc #hDIRs-1
				tay
				lda (pData),y
				
				pha
				lda #0
				sta (pData),y
				pla
				>SYSCALL CloseDir.A

				ldy #index
				lda (pData),y
				dec
				sta (pData),y
				bne .8
				
				ldy #hSrcBasePath
				lda (pData),y
				>SYSCALL FreeMem.A
				
				.DO X.COPY.TO.DEST=1
				ldy #hDstBasePath
				lda (pData),y
				>SYSCALL FreeMem.A
				.FIN
				
.9				sec
				rts
				
.8				clc
				rts
*--------------------------------------
BasePath..		.DO X.COPY.TO.DEST=1

				ldy #hDstBasePath
				jsr BasePath..1
				
				.FIN
				
				ldy #hSrcBasePath
				
BasePath..1		lda (pData),y
				>SYSCALL GetMemPtr.A
								
				>STYA ZPPtr1			save full path
				
				ldy #0
				
.1				iny				
				lda (ZPPtr1),y			get len
				bne .1
				
				dey 					discard ending /
				
.2				dey
				lda (ZPPtr1),y
				cmp #'/'
				bne .2
				
				iny
				
				lda #0
				sta (ZPPtr1),y			cut DIR2/ from /dir1/DIR2/

				rts
*--------------------------------------
MAN
SAVE /A2OSX.SRC/BIN/X.FILEENUM.S
LOAD /A2OSX.SRC/BIN/LS.S
ASM