Package jp.gr.java_conf.dangan.util.lha
Class PreLh1Decoder
- java.lang.Object
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- jp.gr.java_conf.dangan.util.lha.PreLh1Decoder
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- All Implemented Interfaces:
PreLzssDecoder
public class PreLh1Decoder extends java.lang.Object implements PreLzssDecoder
-lh1- ?????p?? PreLzssDecoder?B
-- revision history -- $Log: PreLh1Decoder.java,v $ Revision 1.1 2002/12/01 00:00:00 dangan [maintenance] ?\?[?X???? Revision 1.0 2002/08/05 00:00:00 dangan add to version control [bug fix] available ???v?Z???????????????C???B [maintenance] ?\?[?X????
- Version:
- $Revision: 1.1 $
- Author:
- $Author: dangan $
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Field Summary
Fields Modifier and Type Field Description (package private) DynamicHuffman
huffman
code???????p?????I?n?t?}????(package private) BitInputStream
in
-lh1- ?????k?f?[?^?????????? BitInputStream(package private) DynamicHuffman
markHuffman
huffman ???o?b?N?A?b?v?p(package private) int[]
offHiLen
?I?t?Z?b?g????????6bit?????p ?n?t?}???????????X?g?B(package private) short[]
offHiTable
?I?t?Z?b?g????????6bit?????p?e?[?u???B(package private) int
offHiTableBits
?I?t?Z?b?g????????6bit?????p?e?[?u?????????????K?v??bit???B
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Constructor Summary
Constructors Constructor Description PreLh1Decoder(java.io.InputStream in)
-lh1- ?????p PreLzssDecoder ???\?z?????B
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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?????????????????????????????????}???Bvoid
close()
?}???X?g???[????????A?g?p????????S???????????????????Bint
getDictionarySize()
-lh1-?`????LZSS???????T?C?Y???????Bint
getMaxMatch()
-lh1-?`????LZSS?????????v?????????Bint
getThreshold()
-lh1-?`????LZSS?????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
markSupported()
???}???????????X?g???[???? mark() ?? reset() ???T?|?[?g?????????????Bint
readCode()
-lh1- ?????k?????? 1byte ??LZSS????k???f?[?^?A ???????????k?R?[?h?????????v?????????????Bint
readOffset()
-lh1- ?????k?????? LZSS???k?R?[?h?????????v???u???????????Bvoid
reset()
???}???????????X?g???[???????????????u???????? mark() ???\?b?h???????o???????????????u???????????B
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Field Detail
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in
BitInputStream in
-lh1- ?????k?f?[?^?????????? BitInputStream
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huffman
DynamicHuffman huffman
code???????p?????I?n?t?}????
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offHiLen
int[] offHiLen
?I?t?Z?b?g????????6bit?????p ?n?t?}???????????X?g?B
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offHiTable
short[] offHiTable
?I?t?Z?b?g????????6bit?????p?e?[?u???B
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offHiTableBits
int offHiTableBits
?I?t?Z?b?g????????6bit?????p?e?[?u?????????????K?v??bit???B
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markHuffman
DynamicHuffman markHuffman
huffman ???o?b?N?A?b?v?p
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Method Detail
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readCode
public int readCode() throws java.io.IOException
-lh1- ?????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:
java.io.IOException
- ???o???G???[?????????????java.io.EOFException
- EndOfStream???B????????
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readOffset
public int readOffset() throws java.io.IOException
-lh1- ?????k?????? LZSS???k?R?[?h?????????v???u???????????B- Specified by:
readOffset
in interfacePreLzssDecoder
- Returns:
- -lh1- ?????k?????????k?R?[?h?????????v???u
- Throws:
java.io.IOException
- ???o???G???[??????????????Bjava.io.EOFException
- ?f?[?^???r????????????????? ?\?????? EndOfStream ?????B?????????BBitDataBrokenException
- ?f?[?^???r????????????????? ?\?????? EndOfStream ?????B???????A ???????o???G???[??????????BNotEnoughBitsException
- ?f?[?^???r????????????????? ?\?????? EndOfStream ?????B???????A ???????o???G???[??????????B
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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:
PreLzssDecoder.mark(int)
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reset
public void reset() throws java.io.IOException
???}???????????X?g???[???????????????u???????? mark() ???\?b?h???????o???????????????u???????????B- Specified by:
reset
in interfacePreLzssDecoder
- Throws:
java.io.IOException
- ???o???G???[?????????????
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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
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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 interfacePreLzssDecoder
- Returns:
- ?u???b?N????????????o?????????o?C?g???B
- Throws:
java.io.IOException
- ???o???G???[?????????????- See Also:
PreLzssDecoder.available()
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close
public void close() throws java.io.IOException
?}???X?g???[????????A?g?p????????S???????????????????B- Specified by:
close
in interfacePreLzssDecoder
- Throws:
java.io.IOException
- ???o???G???[?????????????
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getDictionarySize
public int getDictionarySize()
-lh1-?`????LZSS???????T?C?Y???????B- Specified by:
getDictionarySize
in interfacePreLzssDecoder
- Returns:
- -lh1-?`????LZSS???????T?C?Y
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getMaxMatch
public int getMaxMatch()
-lh1-?`????LZSS?????????v?????????B- Specified by:
getMaxMatch
in interfacePreLzssDecoder
- Returns:
- -lh1-?`????LZSS?????????v??
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getThreshold
public int getThreshold()
-lh1-?`????LZSS?????k?A?????k?????l???????B- Specified by:
getThreshold
in interfacePreLzssDecoder
- Returns:
- -lh1-?`????LZSS?????k?A?????k?????l
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