Cleanup and bug fix in io.encodings.korean
parent
66c2efb378
commit
523e0d993d
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@ -5,33 +5,22 @@ io.encodings.korean.private io.encodings.string io.streams.string
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kernel locals multiline namespaces sequences strings tools.test ;
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IN: io.encodings.korean.tests
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! convert cp949 <> unicode
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[ f ] [ HEX: 80 cp949>unicode ] unit-test
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[ f ] [ HEX: ff cp949>unicode ] unit-test
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[ HEX: ac02 ] [ HEX: 8141 cp949>unicode ] unit-test
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[ HEX: 7f ] [ HEX: 7f cp949>unicode ] unit-test
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[ HEX: c724 ] [ HEX: c0b1 cp949>unicode ] unit-test
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! convert cp949 <-> unicode
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[ HEX: 8141 ] [ HEX: ac02 unicode>cp949 ] unit-test
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[ HEX: 7f ] [ HEX: 7f unicode>cp949 ] unit-test
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[ HEX: c0b1 ] [ HEX: c724 unicode>cp949 ] unit-test
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[ f ] [ HEX: 80 (cp949->unicode) ] unit-test
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[ f ] [ HEX: ff (cp949->unicode) ] unit-test
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[ HEX: ac02 ] [ HEX: 8141 (cp949->unicode) ] unit-test
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[ HEX: 7f ] [ HEX: 7f (cp949->unicode) ] unit-test
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[ HEX: c724 ] [ HEX: c0b1 (cp949->unicode) ] unit-test
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[ HEX: 8141 ] [ HEX: ac02 (unicode->cp949) ] unit-test
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[ HEX: 7f ] [ HEX: 7f (unicode->cp949) ] unit-test
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[ HEX: c0b1 ] [ HEX: c724 (unicode->cp949) ] unit-test
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! byte manip.
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[ HEX: beaf ] [ HEX: be HEX: af (2b->1mb) ] unit-test
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[ HEX: be ] [ HEX: beaf (1mb->1st) ] unit-test
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[ HEX: af ] [ HEX: beaf (1mb->2nd) ] unit-test
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[ HEX: be HEX: af ] [ HEX: beaf (1mb->2b) ] unit-test
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!
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: (t-phrase-unicode) ( -- s )
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: phrase-unicode ( -- s )
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"\u00b3d9\u00d574\u00bb3c\u00acfc \u00bc31\u00b450\u00c0b0\u00c774!" ;
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: (t-phrase-cp949) ( -- s )
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: phrase-cp949 ( -- s )
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{
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HEX: b5 HEX: bf HEX: c7 HEX: d8
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HEX: b9 HEX: b0 HEX: b0 HEX: fa
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@ -40,19 +29,18 @@ IN: io.encodings.korean.tests
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HEX: cc HEX: 21
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} ;
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: (t-phrase-unicode->cp949) ( -- s )
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(t-phrase-unicode) cp949 encode ;
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: phrase-unicode>cp949 ( -- s )
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phrase-unicode cp949 encode ;
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: (t-phrase-cp949->unicode) ( -- s )
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(t-phrase-cp949) cp949 decode ;
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: phrase-cp949>unicode ( -- s )
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phrase-cp949 cp949 decode ;
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[ t ] [ phrase-unicode>cp949 >array phrase-cp949 = ] unit-test
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[ t ] [ (t-phrase-unicode->cp949) >array (t-phrase-cp949) = ] unit-test
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[ t ] [ phrase-cp949>unicode phrase-unicode = ] unit-test
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[ t ] [ (t-phrase-cp949->unicode) (t-phrase-unicode) = ] unit-test
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[ t ] [ phrase-cp949 1 head* cp949 decode phrase-unicode 1 head* = ] unit-test
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[ t ] [ phrase-cp949 3 head* cp949 decode phrase-unicode 2 head* = ] unit-test
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! EOF
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[ t ] [ phrase-cp949 2 head* cp949 decode phrase-unicode 2 head* CHAR: replacement-character suffix = ] unit-test
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@ -3,125 +3,77 @@
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USING: assocs byte-arrays combinators io io.encodings
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io.encodings.ascii io.encodings.iana io.files kernel locals math
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math.order math.parser memoize multiline sequences splitting
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values hashtables ;
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values hashtables io.binary ;
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IN: io.encodings.korean
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SINGLETON: cp949
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ALIAS: ms949 cp949
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ALIAS: euc-kr cp949
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ALIAS: euckr cp949
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cp949 "EUC-KR" register-encoding
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<PRIVATE
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! parse cp949.txt -> table
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! parse cp949.txt > table
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: (cp949.txt-lines) ( -- seq )
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: cp949.txt-lines ( -- seq )
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! "cp949.txt" from ...
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! <http://unicode.org/Public/MAPPINGS/VENDORS/MICSFT/WINDOWS/CP949.TXT>
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"resource:basis/io/encodings/korean/data/cp949.txt"
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ascii file-lines ;
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: (PCL-drop-comments) ( seq -- newseq )
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: drop-comments ( seq -- newseq )
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[ "#" split1 drop ] map harvest ;
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: (PCL-split-column) ( line -- columns )
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: split-column ( line -- columns )
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"\t" split 2 head ;
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: (PCL-parse-hex) ( s -- n )
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: parse-hex ( s -- n )
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2 short tail hex> ;
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: (PCL-parse-line) ( line -- code-unicode )
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(PCL-split-column)
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[ (PCL-parse-hex) ] map ;
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: parse-line ( line -- code-unicode )
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split-column [ parse-hex ] map ;
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: (process-codetable-lines) ( lines -- assoc )
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(PCL-drop-comments)
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[ (PCL-parse-line) ] map ;
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: process-codetable-lines ( lines -- assoc )
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drop-comments [ parse-line ] map ;
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! convert cp949 <> unicode
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! convert cp949 <-> unicode
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MEMO: cp949>unicode-table ( -- hashtable )
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cp949.txt-lines process-codetable-lines >hashtable ;
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: (cp949.txt>alist) ( -- alist )
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(cp949.txt-lines) (process-codetable-lines) ;
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MEMO: unicode>cp949-table ( -- hashtable )
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cp949>unicode-table [ swap ] assoc-map ;
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: (make-cp949->unicode-table) ( alist -- h )
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>hashtable ;
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unicode>cp949-table drop
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: (make-unicode->cp949-table) ( alist -- h )
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[ reverse ] map >hashtable ;
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: cp949>unicode ( b -- u )
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cp949>unicode-table at ;
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VALUE: cp949->unicode-table
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VALUE: unicode->cp949-table
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: unicode>cp949 ( u -- b )
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unicode>cp949-table at ;
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(cp949.txt>alist) dup
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(make-cp949->unicode-table) to: cp949->unicode-table
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(make-unicode->cp949-table) to: unicode->cp949-table
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: cp949-1st? ( n -- ? )
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dup [ HEX: 81 HEX: fe between? ] when ;
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MEMO: (cp949->unicode) ( b -- u )
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cp949->unicode-table at ;
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MEMO: (unicode->cp949) ( u -- b )
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unicode->cp949-table at ;
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:: (2b->1mb) ( c1 c2 -- mb )
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c1 8 shift c2 + ;
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:: (1mb->1st) ( mb -- c1 )
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mb HEX: ff00 bitand -8 shift ;
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:: (1mb->2nd) ( mb -- c2 )
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mb HEX: ff bitand ;
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:: (1mb->2b) ( mb -- c1 c2 )
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mb (1mb->1st)
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mb (1mb->2nd) ;
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: (cp949-1st?) ( n -- ? )
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dup f = not
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[ HEX: 81 HEX: fe between? ] when ;
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: (1byte-unicode?) ( n -- ? )
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: byte? ( n -- ? )
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0 HEX: ff between? ;
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M:: cp949 encode-char ( char stream encoding -- )
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char (unicode->cp949) (1byte-unicode?)
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[ char 1byte-array
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stream stream-write ]
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[ char (unicode->cp949)
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(1mb->2b) 2byte-array
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stream stream-write ]
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if ;
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char unicode>cp949 byte?
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[ char 1byte-array stream stream-write ] [
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char unicode>cp949
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h>b/b swap 2byte-array
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stream stream-write
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] if ;
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: (eof?) ( n -- ? ) 0 = ;
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: (decode-char-step2) ( c stream -- char/f )
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stream-read1 (2b->1mb) (cp949->unicode) ;
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: decode-char-step2 ( c stream -- char )
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stream-read1
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[ 2byte-array be> cp949>unicode ]
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[ drop replacement-char ] if* ;
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M:: cp949 decode-char ( stream encoding -- char/f )
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stream stream-read1
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{
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{ [ dup f = ] [ drop f ] }
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{ [ dup (eof?) ] [ drop replacement-char ] }
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{ [ dup (cp949-1st?) ] [ stream (decode-char-step2) ] }
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{ [ dup not ] [ drop f ] }
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{ [ dup cp949-1st? ] [ stream decode-char-step2 ] }
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[ ]
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} cond ;
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! TODO: <encoder>
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! TODO: <decoder>
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! EOF
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