Package jp.gr.java_conf.dangan.util.lha
Class PreLh5Decoder
java.lang.Object
jp.gr.java_conf.dangan.util.lha.PreLh5Decoder
- All Implemented Interfaces:
PreLzssDecoder
-lh4-, -lh5-, -lh6-, -lh7- ?????p?? PreLzssDecoder?B
-- revision history -- $Log: PreLh5Decoder.java,v $ Revision 1.3 2002/12/08 00:00:00 dangan [bug fix] readCode ???n?t?}???????????????r???? EndOfStream ???B?????????? EOFException ?????????????????B Revision 1.2 2002/12/08 00:00:00 dangan [change] ?N???X?? ?? PreLh5DecoderFast ???? PreLh5Decoder ?????X?B Revision 1.1 2002/12/06 00:00:00 dangan [maintenance] ?\?[?X???? Revision 1.0 2002/08/05 00:00:00 dangan add to version control [maintenance] ???V?? BitInputStream ?? PreLh5Decoder ?????\?[?X???????????B ?\?[?X???? ?^?u?p?~ ???C?Z???X????C??
- Version:
- $Revision: 1.3 $
- Author:
- $Author: dangan $
-
Constructor Summary
ConstructorsConstructorDescription-lh5- ?????p PreLzssDecoder ???\?z?????B
?e?[?u???T?C?Y???f?t?H???g?l???g?p?????BPreLh5Decoder
(InputStream in, String method) -lh4-,-lh5-,-lh6-,-lh7- ?????p PreLzssDecoder ???\?z?????B
?e?[?u???T?C?Y???? ?f?t?H???g?l???g?p?????BPreLh5Decoder
(InputStream in, String method, int CodeTableBits, int OffLenTableBits) -lh4-,-lh5-,-lh6-,-lh7- ?????p PreLzssDecoder ???\?z?????B -
Method Summary
Modifier and TypeMethodDescriptionint
?u???b?N???????????o???}?????o?????????o?C?g?????????B
InputStream ?? available() ??????A ?}???????o?C?g?????K?????????????????????????????????}???Bvoid
close()
?}???X?g???[????????A?g?p????????S???????????????????Bint
?}?? PreLh5Decoder ??????LZSS???????T?C?Y???????Bint
?}?? PreLh5Decoder ??????LZSS?????????v?????????Bint
?}?? PreLh5Decoder ?????????k?A?????k?????l???????Bvoid
mark
(int readLimit) ???}???????????X?g???[???????????u???}?[?N?????????A reset() ???\?b?h???}?[?N???????_?? ???????????u?? ?????????????????B
InputStream ?? mark() ??????AreadLimit ?????????? ???E?o?C?g???????O???}?[?N???u???????????????\???? ?????????????????}???Bboolean
???}???????????X?g???[???? mark() ?? reset() ?? ?T?|?[?g?????????????Bint
readCode()
-lh5- ?n?????k?@?????k?????? 1byte ??LZSS????k???f?[?^?A ???????????k?R?[?h?????????v?????????????Bint
-lh5- ?n?????k?@?????k?????? LZSS???k?R?[?h?????????v???u???????????Bvoid
reset()
???}???????????X?g???[???????????????u???????? mark() ???\?b?h???????o???????????????u???????????B
-
Constructor Details
-
PreLh5Decoder
-lh5- ?????p PreLzssDecoder ???\?z?????B
?e?[?u???T?C?Y???f?t?H???g?l???g?p?????B- Parameters:
in
- -lh5-?`???????k?f?[?^???????????????X?g???[??
-
PreLh5Decoder
-lh4-,-lh5-,-lh6-,-lh7- ?????p PreLzssDecoder ???\?z?????B
?e?[?u???T?C?Y???? ?f?t?H???g?l???g?p?????B- Parameters:
in
- ???k?f?[?^???????????????X?g???[??method
- ???k?@?????q
CompressMethod.LH4
CompressMethod.LH5
CompressMethod.LH6
CompressMethod.LH7
???????????w???????B- Throws:
IllegalArgumentException
- method ?????L???O??????
-
PreLh5Decoder
-lh4-,-lh5-,-lh6-,-lh7- ?????p PreLzssDecoder ???\?z?????B- Parameters:
in
- ???k?f?[?^???????????????X?g???[??method
- ???k?@?????q
CompressMethod.LH4
CompressMethod.LH5
CompressMethod.LH6
CompressMethod.LH7
???????????w???????BCodeTableBits
- code ???????????????????g?p???? ?e?[?u?????T?C?Y???r?b?g?????w???????B 12 ???w???????? 4096 ?????b?N?A?b?v?e?[?u???????????BOffLenTableBits
- offLen ???????????????????g?p???? ?e?[?u?????T?C?Y???r?b?g?????w???????B 8 ???w???????? 256 ?????b?N?A?b?v?e?[?u???????????B- Throws:
IllegalArgumentException
-
(1) method ?????L???O??????
(2) CodeTableBits ???????? OffLenTableBits ?? 0??????????
????????
-
-
Method Details
-
readCode
-lh5- ?n?????k?@?????k?????? 1byte ??LZSS????k???f?[?^?A ???????????k?R?[?h?????????v?????????????B- Specified by:
readCode
in interfacePreLzssDecoder
- Returns:
- 1byte ?? ????k???f?[?^?A ???????????k?????????k?R?[?h?????????v??
- Throws:
IOException
- ???o???G???[?????????????EOFException
- EndOfStream???B????????BadHuffmanTableException
- ?n?t?}???????\??????????? ?n?t?}???????????\???s????????????
-
readOffset
-lh5- ?n?????k?@?????k?????? LZSS???k?R?[?h?????????v???u???????????B- Specified by:
readOffset
in interfacePreLzssDecoder
- Returns:
- -lh5- ?n?????k?????????k?R?[?h?????????v???u
- Throws:
IOException
- ???o???G???[?????????????
-
mark
public void mark(int readLimit) ???}???????????X?g???[???????????u???}?[?N?????????A reset() ???\?b?h???}?[?N???????_?? ???????????u?? ?????????????????B
InputStream ?? mark() ??????AreadLimit ?????????? ???E?o?C?g???????O???}?[?N???u???????????????\???? ?????????????????}???B- Specified by:
mark
in interfacePreLzssDecoder
- Parameters:
readLimit
- ?}?[?N???u???????????E???o?C?g???B ?}???o?C?g?????L?????f?[?^?????? ?????????? reset()?????????????? ?\?????????B- See Also:
-
reset
???}???????????X?g???[???????????????u???????? mark() ???\?b?h???????o???????????????u???????????B- Specified by:
reset
in interfacePreLzssDecoder
- Throws:
IOException
-
(1) mark() ?????? reset() ?????????????????B
(2) ???}???????????X?g???[???? markSupported()?? false ???????????B
(3) ???}???????????X?g???[???? ???o???G???[??????????????B
?????????B
-
markSupported
public boolean markSupported()???}???????????X?g???[???? mark() ?? reset() ?? ?T?|?[?g?????????????B- Specified by:
markSupported
in interfacePreLzssDecoder
- Returns:
- ?X?g???[???? mark() ?? reset() ??
?T?|?[?g?????????? true?B
?T?|?[?g??????????? false?B
-
available
?u???b?N???????????o???}?????o?????????o?C?g?????????B
InputStream ?? available() ??????A ?}???????o?C?g?????K?????????????????????????????????}???B- Specified by:
available
in interfacePreLzssDecoder
- Returns:
- ?u???b?N????????????o?????????o?C?g???B
- Throws:
IOException
- ???o???G???[?????????????- See Also:
-
close
?}???X?g???[????????A?g?p????????S???????????????????B- Specified by:
close
in interfacePreLzssDecoder
- Throws:
IOException
- ???o???G???[?????????????
-
getDictionarySize
public int getDictionarySize()?}?? PreLh5Decoder ??????LZSS???????T?C?Y???????B- Specified by:
getDictionarySize
in interfacePreLzssDecoder
- Returns:
- ?}?? PreLh5Decoder ??????LZSS???????T?C?Y
-
getMaxMatch
public int getMaxMatch()?}?? PreLh5Decoder ??????LZSS?????????v?????????B- Specified by:
getMaxMatch
in interfacePreLzssDecoder
- Returns:
- ?}?? PreLh5Decoder ??????LZSS?????????v??
-
getThreshold
public int getThreshold()?}?? PreLh5Decoder ?????????k?A?????k?????l???????B- Specified by:
getThreshold
in interfacePreLzssDecoder
- Returns:
- ?}?? PreLh5Decoder ?????????k?A?????k?????l
-