Package jp.gr.java_conf.dangan.util.lha

Class PreLh5Decoder

  • All Implemented Interfaces:
    PreLzssDecoder
    public class PreLh5Decoder
extends java.lang.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​(java.io.InputStream in)
      -lh5- ?????p PreLzssDecoder ???\?z?????B
      ?e?[?u???T?C?Y???f?t?H???g?l???g?p?????B
      PreLh5Decoder​(java.io.InputStream in, java.lang.String method)
      -lh4-,-lh5-,-lh6-,-lh7- ?????p PreLzssDecoder ???\?z?????B
      ?e?[?u???T?C?Y???? ?f?t?H???g?l???g?p?????B
      PreLh5Decoder​(java.io.InputStream in, java.lang.String method, int CodeTableBits, int OffLenTableBits)
      -lh4-,-lh5-,-lh6-,-lh7- ?????p PreLzssDecoder ???\?z?????B

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      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 Detail

      • PreLh5Decoder

        public PreLh5Decoder​(java.io.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​(java.io.InputStream in,
                     java.lang.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:
        java.lang.IllegalArgumentException - method ?????L???O??????

      • PreLh5Decoder

        public PreLh5Decoder​(java.io.InputStream in,
                     java.lang.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:
        java.lang.IllegalArgumentException -
           (1) method ?????L???O??????
           (2) CodeTableBits ???????? OffLenTableBits ?? 0??????????
           ????????

    • Method Detail

      • readCode

        public int readCode()
             throws java.io.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:
        java.io.IOException - ???o???G???[?????¶????????
        java.io.EOFException - EndOfStream???B????????
        BadHuffmanTableException - ?n?t?}???????\?￢?????????? ?n?t?}???????????\???s????????????

      • readOffset

        public int readOffset()
               throws java.io.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:
        java.io.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:
        PreLzssDecoder.mark(int)

      • reset

        public void reset()
           throws java.io.IOException
        ???±???????????X?g???[???????????????u???????? mark() ???\?b?h???????o???????????????u???????????B
        Specified by:
        reset in interface PreLzssDecoder
        Throws:
        java.io.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 java.io.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:
        java.io.IOException - ???o???G???[?????¶????????
        See Also:
        PreLzssDecoder.available()

      • close

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