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
public class PreLh5Decoder extends Object implements 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

    Constructors
    Constructor
    Description
    PreLh5Decoder(InputStream in)
    -lh5- ?????p PreLzssDecoder ???\?z?????B
    ?e?[?u???T?C?Y???f?t?H???g?l???g?p?????B
    PreLh5Decoder(InputStream in, String method)
    -lh4-,-lh5-,-lh6-,-lh7- ?????p PreLzssDecoder ???\?z?????B
    ?e?[?u???T?C?Y???? ?f?t?H???g?l???g?p?????B
    PreLh5Decoder(InputStream in, String method, int CodeTableBits, int OffLenTableBits)
    -lh4-,-lh5-,-lh6-,-lh7- ?????p PreLzssDecoder ???\?z?????B

  • Method Summary

    Modifier and Type
    Method
    Description
    int
    available()
    ?u???b?N???????????o???±?????o?????????o?C?g?????????B
    InputStream ?? available() ?????￠?A ?±???????o?C?g?????K?????????????????￠???￠?????????????±???B
    void
    close()
    ?±???X?g???[???????¶?A?g?p?????￠???S???????????????????B
    int
    getDictionarySize()
    ?±?? PreLh5Decoder ??????LZSS???????T?C?Y???????B
    int
    getMaxMatch()
    ?±?? PreLh5Decoder ??????LZSS?????????v?????????B
    int
    getThreshold()
    ?±?? PreLh5Decoder ?????????k?A?????k?????l???????B
    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
    boolean
    markSupported()
    ???±???????????X?g???[???? mark() ?? reset() ?? ?T?|?[?g?????????????B
    int
    readCode()
    -lh5- ?n?????k?@?????k?????? 1byte ??LZSS?￠???k???f?[?^?A ???????????k?R?[?h?????????v?????????????B
    int
    readOffset()
    -lh5- ?n?????k?@?????k?????? LZSS???k?R?[?h?????????v???u???????????B
    void
    reset()
    ???±???????????X?g???[???????????????u???????? mark() ???\?b?h???????o???????????????u???????????B

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Constructor Details

    • PreLh5Decoder

      public PreLh5Decoder(InputStream in)
      -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

      public PreLh5Decoder(InputStream in, String method)
      -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

      public PreLh5Decoder(InputStream in, String method, int CodeTableBits, int OffLenTableBits)
      -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???????B
      CodeTableBits - code ???????????????????g?p???? ?e?[?u?????T?C?Y???r?b?g?????w???????B 12 ???w???????? 4096 ?????b?N?A?b?v?e?[?u?????¶?￢?????B
      OffLenTableBits - 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

      public int readCode() throws IOException
      -lh5- ?n?????k?@?????k?????? 1byte ??LZSS?￠???k???f?[?^?A ???????????k?R?[?h?????????v?????????????B
      Specified by:
      readCode in interface PreLzssDecoder
      Returns:
      1byte ?? ?￠???k???f?[?^?A ???????????k?????????k?R?[?h?????????v??
      Throws:
      IOException - ???o???G???[?????¶????????
      EOFException - EndOfStream???B????????
      BadHuffmanTableException - ?n?t?}???????\?￢?????????? ?n?t?}???????????\???s????????????

    • readOffset

      public int readOffset() throws IOException
      -lh5- ?n?????k?@?????k?????? LZSS???k?R?[?h?????????v???u???????????B
      Specified by:
      readOffset in interface PreLzssDecoder
      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 interface PreLzssDecoder
      Parameters:
      readLimit - ?}?[?N???u???????????E???o?C?g???B ?±???o?C?g?????´?????f?[?^?????? ?????????? reset()?????????????? ?\?????????B
      See Also:

    • reset

      public void reset() throws IOException
      ???±???????????X?g???[???????????????u???????? mark() ???\?b?h???????o???????????????u???????????B
      Specified by:
      reset in interface PreLzssDecoder
      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 interface PreLzssDecoder
      Returns:
      ?X?g???[???? mark() ?? reset() ?? ?T?|?[?g?????????? true?B
      ?T?|?[?g?????￠?????? false?B

    • available

      public int available() throws IOException
      ?u???b?N???????????o???±?????o?????????o?C?g?????????B
      InputStream ?? available() ?????￠?A ?±???????o?C?g?????K?????????????????￠???￠?????????????±???B
      Specified by:
      available in interface PreLzssDecoder
      Returns:
      ?u???b?N?????￠???????o?????????o?C?g???B
      Throws:
      IOException - ???o???G???[?????¶????????
      See Also:

    • close

      public void close() throws IOException
      ?±???X?g???[???????¶?A?g?p?????￠???S???????????????????B
      Specified by:
      close in interface PreLzssDecoder
      Throws:
      IOException - ???o???G???[?????¶????????

    • getDictionarySize

      public int getDictionarySize()
      ?±?? PreLh5Decoder ??????LZSS???????T?C?Y???????B
      Specified by:
      getDictionarySize in interface PreLzssDecoder
      Returns:
      ?±?? PreLh5Decoder ??????LZSS???????T?C?Y

    • getMaxMatch

      public int getMaxMatch()
      ?±?? PreLh5Decoder ??????LZSS?????????v?????????B
      Specified by:
      getMaxMatch in interface PreLzssDecoder
      Returns:
      ?±?? PreLh5Decoder ??????LZSS?????????v??

    • getThreshold

      public int getThreshold()
      ?±?? PreLh5Decoder ?????????k?A?????k?????l???????B
      Specified by:
      getThreshold in interface PreLzssDecoder
      Returns:
      ?±?? PreLh5Decoder ?????????k?A?????k?????l