-
-
Notifications
You must be signed in to change notification settings - Fork 24
/
Copy pathUUENCODE
128 lines (85 loc) · 10.7 KB
/
UUENCODE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
(DEFINE-FILE-INFO READTABLE "INTERLISP" PACKAGE "INTERLISP")
(FILECREATED " 7-Oct-87 18:15:20" |{POGO:AISNORTH:XEROX}<CUTTING>LISP>UUENCODE.;4| 10562
changes to%: (VARS UUENCODECOMS) (FUNCTIONS UU.SIXBITS UU.LSH) (FNS UUDECODE-BEGIN-LINE-INTERNAL UUENCODE-INTERNAL UUDECODE-INTERNAL UUDECODE-BODY UUENCODE UUENCODE-ONE-FILE UUDECODE UUDECODE-BEGIN-LINE UU.TEDIT-INCLUDE-ENCODED UU.DECODE-FROM-TEDIT)
previous date%: " 7-Oct-87 17:46:11" |{POGO:AISNORTH:XEROX}<CUTTING>LISP>UUENCODE.;3|)
(* "
Copyright (c) 1987 by Douglass Read Cutting. All rights reserved.
")
(PRETTYCOMPRINT UUENCODECOMS)
(RPAQQ UUENCODECOMS ((* ;; "UNIX compatible uuencode & uudecode.") (COMS (* ;; "encoding") (FNS UUENCODE UUENCODE-ONE-FILE UUENCODE-INTERNAL) (INITVARS (UU.MODE-DEFAULT 420)) (GLOBALVARS UU.MODE-DEFAULT) (FUNCTIONS UU.BYTE) (DECLARE%: EVAL@COMPILE DONTCOPY (CONSTANTS (UU.CHARS-PER-LINE 45) (UU.LAST-TWO-BITS 3) (UU.LAST-FOUR-BITS 15) (UU.FIRST-TWO-BITS 192)))) (COMS (* ;; "decoding") (FNS UUDECODE UUDECODE-INTERNAL UUDECODE-BEGIN-LINE UUDECODE-BEGIN-LINE-INTERNAL UUDECODE-BODY) (FUNCTIONS UU.SIXBITS UU.LSH) (VARS (UU.READTABLE (COPYREADTABLE (QUOTE ORIG)))) (GLOBALVARS UU.READTABLE) (P (SETBRK NIL NIL UU.READTABLE) (SETSEPR (CHARCODE (SPACE CR LF)) NIL UU.READTABLE) (ESCAPE NIL UU.READTABLE))) (COMS (* ;; "TEdit interface") (FNS UU.TEDIT-INCLUDE-ENCODED UU.DECODE-FROM-TEDIT) (P (AND (FGETD (QUOTE TEDIT)) (TEDIT.ADD.MENUITEM TEDIT.DEFAULT.MENU (QUOTE (UUEncode (FUNCTION UU.TEDIT-INCLUDE-ENCODED) "Encode & include a file" (SUBITEMS ("UUDecode" (FUNCTION UU.DECODE-FROM-TEDIT) "Decode the text in this window"))))))) (GLOBALVARS TEDIT.DEFAULT.MENU)) (PROP FILETYPE UUENCODE))
)
(* ;; "UNIX compatible uuencode & uudecode.")
(* ;; "encoding")
(DEFINEQ
(UUENCODE
(LAMBDA (FILES INTO-FILE) (* drc%: "16-Mar-87 15:37") (RESETLST (for FILE in (MKLIST FILES) bind INTO-STREAM first (SETQ INTO-STREAM (OPENSTREAM INTO-FILE (QUOTE OUTPUT))) (RESETSAVE NIL (LIST (FUNCTION CLOSEF?) INTO-STREAM)) do (UUENCODE-ONE-FILE FILE INTO-STREAM) finally (RETURN (CLOSEF INTO-STREAM)))))
)
(UUENCODE-ONE-FILE
(LAMBDA (IN-FILE OUT-FILE-OR-STREAM) (* drc%: "16-Mar-87 14:34") (* ;; "uuencode IN-FILE to OUT-FILE-OR-STREAM.") (RESETLST (LET ((INS (OPENSTREAM IN-FILE (QUOTE INPUT)))) (RESETSAVE NIL (LIST (FUNCTION CLOSEF?) INS)) (LET* ((ALREADY-OPEN? (OPENP OUT-FILE-OR-STREAM (QUOTE OUTPUT))) (OUTS (if ALREADY-OPEN? then (GETSTREAM OUT-FILE-OR-STREAM (QUOTE OUTPUT)) else (OPENSTREAM OUT-FILE-OR-STREAM (QUOTE OUTPUT))))) (if (NOT ALREADY-OPEN?) then (RESETSAVE NIL (LIST (FUNCTION CLOSEF?) OUTS))) (UUENCODE-INTERNAL INS OUTS (NAMEFIELD IN-FILE T)) (CLOSEF INS) (if (NOT ALREADY-OPEN?) then (CLOSEF OUTS) else OUTS)))))
)
(UUENCODE-INTERNAL
(LAMBDA (INS OUTS DECODE-NAME FILE-MODE) (* ; "Edited 7-Oct-87 17:22 by drc:") (* ;; "encode text from INS to OUTS.") (* ;; "DECODE-NAME is what the file should be called when decoded") (* ;; "FILE-MODE is the UNIX file mode. The default is reasonable.") (LET* ((EOF (GETEOFPTR INS)) (PADDING (CL:MOD EOF 3)) (STOP (CL:IF (ZEROP PADDING) EOF (PLUS EOF (- 3 PADDING))))) (* ;; "Each 3 bytes are encoded in 4 six-bit chars.") (from 1 to STOP first (* ;; "Print header") (printout OUTS T "begin ") (RESETFORM (RADIX 8) (printout OUTS (OR FILE-MODE UU.MODE-DEFAULT))) (printout OUTS " " (OR DECODE-NAME (NAMEFIELD (FULLNAME INS) T))) bind (STATE _ 1) BYTE BITS (COLUMN _ 0) declare (LOCALVARS . T) do (if (ZEROP COLUMN) then (* ;; "time to start a new line") (TERPRI OUTS) (* ;; "first char represents how much cleartext will be on the line") (BOUT OUTS (UU.BYTE (IMIN UU.CHARS-PER-LINE (IDIFFERENCE EOF (GETFILEPTR INS)))))) (if (NOT (EOFP INS)) then (SETQ BYTE (BIN INS)) else 0) (SELECTQ STATE (1 (BOUT OUTS (UU.BYTE (RSH BYTE 2))) (SETQ BITS (LOGAND BYTE UU.LAST-TWO-BITS))) (2 (BOUT OUTS (UU.BYTE (LOGOR (LSH BITS 4) (RSH BYTE 4)))) (SETQ BITS (LOGAND BYTE UU.LAST-FOUR-BITS))) (3 (BOUT OUTS (UU.BYTE (LOGOR (LSH BITS 2) (RSH BYTE 6)))) (BOUT OUTS (UU.BYTE (BITCLEAR BYTE UU.FIRST-TWO-BITS)))) (SHOULDNT)) (SETQ STATE (ADD1 (CL:MOD STATE 3))) (SETQ COLUMN (CL:MOD (ADD1 COLUMN) UU.CHARS-PER-LINE)) finally (* ;; "print footer") (printout OUTS T " " T "end" T))) OUTS)
)
)
(RPAQ? UU.MODE-DEFAULT 420)
(DECLARE%: DOEVAL@COMPILE DONTCOPY
(GLOBALVARS UU.MODE-DEFAULT)
)
(DEFMACRO UU.BYTE (BYTE) (BQUOTE (IPLUS (\, BYTE) (CHARCODE SPACE))))
(DECLARE%: EVAL@COMPILE DONTCOPY
(DECLARE%: EVAL@COMPILE
(RPAQQ UU.CHARS-PER-LINE 45)
(RPAQQ UU.LAST-TWO-BITS 3)
(RPAQQ UU.LAST-FOUR-BITS 15)
(RPAQQ UU.FIRST-TWO-BITS 192)
(CONSTANTS (UU.CHARS-PER-LINE 45) (UU.LAST-TWO-BITS 3) (UU.LAST-FOUR-BITS 15) (UU.FIRST-TWO-BITS 192))
)
)
(* ;; "decoding")
(DEFINEQ
(UUDECODE
(LAMBDA (FILE-OR-STREAM ONLY-ONE-FILE?) (* drc%: "22-Mar-87 15:08") (* ;; "decode from FILE-OR-STREAM") (* ;; "if ONLY-ONE-FILE? is non-NIL then return name of file extracted.") (* ;; "if ONLY-ONE-FILE? is NIL then return list of files extracted.") (RESETLST (LET* ((ALREADY-OPEN? (OPENP FILE-OR-STREAM (QUOTE INPUT))) (INS (if ALREADY-OPEN? then (GETSTREAM FILE-OR-STREAM (QUOTE INPUT)) else (OPENSTREAM FILE-OR-STREAM (QUOTE INPUT))))) (if (NOT ALREADY-OPEN?) then (RESETSAVE NIL (LIST (FUNCTION CLOSEF) INS))) (if ONLY-ONE-FILE? then (LIST (UUDECODE-INTERNAL INS ONLY-ONE-FILE?)) else (bind OUT-FILE eachtime (SETQ OUT-FILE (UUDECODE-INTERNAL INS ONLY-ONE-FILE?)) while OUT-FILE collect OUT-FILE)))))
)
(UUDECODE-INTERNAL
(LAMBDA (INS ONLY-ONE-FILE?) (* drc%: "22-Mar-87 15:06") (LET ((OUT-FILE (UUDECODE-BEGIN-LINE INS (NOT ONLY-ONE-FILE?)))) (if OUT-FILE then (RESETLST (LET ((OUTS (OPENSTREAM OUT-FILE (QUOTE OUTPUT)))) (RESETSAVE NIL (LIST (FUNCTION CLOSEF?) OUTS)) (* ;; "decode the body") (UUDECODE-BODY INS OUTS) (* ;; "read the `end' line") (OR (for BYTE in (CONSTANT (CHCON "end")) always (EQ (BIN INS) BYTE)) (ERROR OUT-FILE "NO `end' LINE FOUND")) (* ;; "return the name of the decoded file") (CLOSEF OUTS))))))
)
(UUDECODE-BEGIN-LINE
(LAMBDA (INS NO-ERROR) (* drc%: "16-Mar-87 15:09") (* ;; "Scans for the begin line in file.") (* ;; "Returns the name of the encoded file.") (* ;; "Returns NIL if end of file is reached and NO-ERROR is specified.") (if NO-ERROR then (RESETLST (RESETSAVE NIL (LIST (FUNCTION SETFILEINFO) INS (QUOTE ENDOFSTREAMOP) (GETFILEINFO INS (QUOTE ENDOFSTREAMOP)))) (SETFILEINFO INS (QUOTE ENDOFSTREAMOP) (FUNCTION (LAMBDA (S) (RETFROM (QUOTE UUDECODE-BEGIN-LINE) NIL)))) (* ;; "what? Interlisp? Cryptic? Never.") (UUDECODE-BEGIN-LINE-INTERNAL INS)) else (UUDECODE-BEGIN-LINE-INTERNAL INS)))
)
(UUDECODE-BEGIN-LINE-INTERNAL
(LAMBDA (INS) (* ; "Edited 7-Oct-87 17:45 by drc:") (until (for BYTE in (CONSTANT (CHCON "begin ")) always (AND (EQ (\PEEKBIN INS) BYTE) (BIN INS))) do (* ;; "skip to next line") (until (SELCHARQ (BIN INS) ((CR LF) T) NIL)) bind FILE-NAME finally (* ;; "read mode (ignored) ") (RESETFORM (RADIX 8) (OR (SMALLP (RATOM INS UU.READTABLE)) (ERROR (FULLNAME INS) "BAD `begin' LINE"))) (* ;; "read space") (OR (EQ (BIN INS) (CHARCODE SPACE)) (ERROR (FULLNAME INS) "BAD `begin' LINE")) (* ;; "read file name") (SETQ FILE-NAME (RSTRING INS UU.READTABLE)) (* ;; "read end of line") (SELCHARQ (BIN INS) ((LF CR)) (ERROR (FULLNAME INS) "BAD `begin' LINE")) (* ;; "return the file name") (RETURN FILE-NAME)))
)
(UUDECODE-BODY
(LAMBDA (INS OUTS) (* ; "Edited 7-Oct-87 17:06 by drc:") (* ;; "The inner decoding loop.") (bind LINE-LENGTH declare (LOCALVARS . T) eachtime (* ;; "read length of line") (SETQ LINE-LENGTH (UU.SIXBITS (BIN INS))) while (NOT (ZEROP LINE-LENGTH)) do (* ;; "read body of line, decoding to output as we go") (bind (N-CHARS-READ _ 0) (NIBBLE-N _ 0) NIBBLE-1 NIBBLE-2 NIBBLE-3 eachtime (SETQ NIBBLE-N (ADD1 (IMOD NIBBLE-N 4))) while (ILESSP N-CHARS-READ LINE-LENGTH) do (* ;; "nibbles here are six-bits") (SELECTQ NIBBLE-N (1 (SETQ NIBBLE-1 (UU.SIXBITS (BIN INS)))) (2 (SETQ NIBBLE-2 (UU.SIXBITS (BIN INS))) (BOUT OUTS (LOGOR (UU.LSH NIBBLE-1 2) (RSH NIBBLE-2 4))) (add N-CHARS-READ 1)) (3 (SETQ NIBBLE-3 (UU.SIXBITS (BIN INS))) (BOUT OUTS (LOGOR (UU.LSH NIBBLE-2 4) (RSH NIBBLE-3 2))) (add N-CHARS-READ 1)) (4 (BOUT OUTS (LOGOR (UU.LSH NIBBLE-3 6) (UU.SIXBITS (BIN INS)))) (add N-CHARS-READ 1)) (SHOULDNT)) finally (* ;; "read padding ") (OR (EQ NIBBLE-N 1) (from NIBBLE-N to 4 do (BIN INS))) (SELCHARQ (BIN INS) ((LF CR)) (ERROR (FULLNAME INS) "LINE TOO LONG - FILE BASHED?"))) finally (SELCHARQ (BIN INS) ((LF CR)) (ERROR (FULLNAME INS) "LINE TOO LONG - FILE BASHED?"))))
)
)
(DEFMACRO UU.SIXBITS (CHAR) (BQUOTE (CL:MOD (IDIFFERENCE (\, CHAR) (CHARCODE SPACE)) 64)))
(DEFMACRO UU.LSH (N BITS) (BQUOTE (LDB (BYTE 8 0) (LSH (\, N) (\, BITS)))))
(RPAQ UU.READTABLE (COPYREADTABLE (QUOTE ORIG)))
(DECLARE%: DOEVAL@COMPILE DONTCOPY
(GLOBALVARS UU.READTABLE)
)
(SETBRK NIL NIL UU.READTABLE)
(SETSEPR (CHARCODE (SPACE CR LF)) NIL UU.READTABLE)
(ESCAPE NIL UU.READTABLE)
(* ;; "TEdit interface")
(DEFINEQ
(UU.TEDIT-INCLUDE-ENCODED
(LAMBDA (TEXTSTREAM) (* drc%: "16-Mar-87 19:28") (LET ((FILE (TEDIT.GETINPUT TEXTSTREAM "File to encode:"))) (if FILE then (RESETLST (LET* ((TEMP-STREAM (OPENSTREAM (QUOTE {NODIRCORE}) (QUOTE BOTH)))) (RESETSAVE NIL (LIST (FUNCTION CLOSEF?) TEMP-STREAM)) (UUENCODE-ONE-FILE FILE TEMP-STREAM) (SETFILEPTR TEMP-STREAM 0) (TEDIT.RAW.INCLUDE TEXTSTREAM (UUENCODE-ONE-FILE FILE TEMP-STREAM)))) else (TEDIT.PROMPTPRINT TEXTSTREAM " [aborted]"))))
)
(UU.DECODE-FROM-TEDIT
(LAMBDA (TEXTSTREAM) (* drc%: "22-Mar-87 15:02") (* ;; "decode from FILE-OR-STREAM") (* ;; "if ONLY-ONE-FILE? is non-NIL then return name of file extracted.") (* ;; "if ONLY-ONE-FILE? is NIL then return list of files extracted.") (bind OUT-FILE LAST-FILE first (SETFILEPTR TEXTSTREAM 0) (TEDIT.PROMPTPRINT TEXTSTREAM "Decoding ... " T) eachtime (SETQ LAST-FILE OUT-FILE) (SETQ OUT-FILE (UUDECODE-INTERNAL TEXTSTREAM)) while OUT-FILE do (AND LAST-FILE (TEDIT.PROMPTPRINT TEXTSTREAM ", ")) (TEDIT.PROMPTPRINT TEXTSTREAM OUT-FILE) finally (TEDIT.PROMPTPRINT TEXTSTREAM (if LAST-FILE then " done." else "nothing to decode!"))))
)
)
(AND (FGETD (QUOTE TEDIT)) (TEDIT.ADD.MENUITEM TEDIT.DEFAULT.MENU (QUOTE (UUEncode (FUNCTION UU.TEDIT-INCLUDE-ENCODED) "Encode & include a file" (SUBITEMS ("UUDecode" (FUNCTION UU.DECODE-FROM-TEDIT) "Decode the text in this window"))))))
(DECLARE%: DOEVAL@COMPILE DONTCOPY
(GLOBALVARS TEDIT.DEFAULT.MENU)
)
(PUTPROPS UUENCODE FILETYPE :COMPILE-FILE)
(PUTPROPS UUENCODE COPYRIGHT ("Douglass Read Cutting" 1987))
(DECLARE%: DONTCOPY
(FILEMAP (NIL (1793 4262 (UUENCODE 1803 . 2125) (UUENCODE-ONE-FILE 2127 . 2763) (UUENCODE-INTERNAL
2765 . 4260)) (4761 8558 (UUDECODE 4771 . 5490) (UUDECODE-INTERNAL 5492 . 6017) (UUDECODE-BEGIN-LINE
6019 . 6629) (UUDECODE-BEGIN-LINE-INTERNAL 6631 . 7364) (UUDECODE-BODY 7366 . 8556)) (8985 10122 (
UU.TEDIT-INCLUDE-ENCODED 8995 . 9467) (UU.DECODE-FROM-TEDIT 9469 . 10120)))))
STOP