
    %                        d Z ddlZddgZdZdZg ddd	eddd
gdddedddgdddedddgddd	edddgdddedddgddd	edddgdd d!eddd"gd#d$d%eddd&gd'd(d%eddd)gd*d+d%ed,dd-gd.d/d0ed1d1dgd2d3d4ed5d5d6gd7d8d4ed5d5d9gd:d;d<edd5d=gd>d?d%ed5d5d@gdAdBd<ed5ddCgdDdEd<edFddGgdHdIdJedddKgdLdMdNedddOgdPdQd%edd5dRgdSdTd<edd5dUgdVdWd<edddXgdYdZd%ed5dd[gd\d]d<eddd^gd_d`d<ed5ddagdbdcd<eddddegdfdgdhediddjgdkdldmednddogdpdqdmedrddsgdtdudveddwdxgdydzdveddwd{gd|d}d~eddwdgdddeddwdgdddvedwddgdddvedwdwdgdddedddgdddvedwddgdddedddgdddedddgdddedddgdddedddgZd Zi Zi Zg Z	g dZ
eD ]I  Z e ee
e            Ze	j                  e        eed         Zeev r edez        eee<   eeed1   <   K d Z G d dej&                        ZeZd ZeZy)a}  
crcmod.predefined defines some well-known CRC algorithms.

To use it, e.g.:
    import crcmod.predefined
    
    crc32func = crcmod.predefined.mkPredefinedCrcFun("crc-32")
    crc32class = crcmod.predefined.PredefinedCrc("crc-32")

crcmod.predefined.Crc is an alias for crcmod.predefined.PredefinedCrc
But if doing 'from crc.predefined import *', only PredefinedCrc is imported.
    NPredefinedCrcmkPredefinedCrcFunTFzcrc-8Crc8i     z
crc-8-darcCrc8Darci9     zcrc-8-i-code	Crc8ICodei     ~   z	crc-8-ituCrc8ItuU      zcrc-8-maxim	Crc8Maximi1  z
crc-8-rohcCrc8Rohc      zcrc-8-wcdma	Crc8Wcdmai  %   zcrc-16Crc16i i=  zcrc-16-buypassCrc16Buypassi  zcrc-16-dds-110Crc16Dds110i  iϞ  zcrc-16-dect	Crc16Decti    z
crc-16-dnpCrc16Dnpie= i  i  zcrc-16-en-13757Crc16En13757i  zcrc-16-genibusCrc16Genibusi! iN  zcrc-16-maxim
Crc16MaximiD  zcrc-16-mcrf4xxCrc16Mcrf4xxio  zcrc-16-rielloCrc16RielloiMU  ic  zcrc-16-t10-difCrc16T10Difi i  zcrc-16-telediskCrc16Telediski i  z
crc-16-usbCrc16Usbiȴ  zx-25CrcX25in  xmodem	CrcXmodemi1  modbus	CrcModbusi7K  kermit	CrcKermiti!  zcrc-ccitt-falseCrcCcittFalsei)  zcrc-aug-ccittCrcAugCcitti  i  zcrc-24Crc24iLi i! zcrc-24-flexray-aCrc24FlexrayAim]i iyy zcrc-24-flexray-bCrc24FlexrayBiͫ i# zcrc-32Crc32l   	 l    l   &9 zcrc-32-bzip2
Crc32Bzip2l   y zcrc-32cCrc32Cl   Ao= l   F zcrc-32dCrc32Dl   +gP l   vUb zcrc-32-mpeg	Crc32MpegivposixCrcPosixiv^vzcrc-32qCrc32Ql   A i0jamcrc	CrcJamCrci4xferCrcXferl       l   8cz zcrc-64Crc64l           l   o$-5 z	crc-64-weCrc64Wel   6S l    l   
pIcgb zcrc-64-jones
Crc64Jonesl   5)Hl l   rZ\8U c                     | j                         } | j                  dd      } | j                  dd      } | j                  d      r| t        d      d } | S )z
    Reduce CRC definition name to a simplified form:
        * lowercase
        * dashes removed
        * spaces removed
        * any initial "CRC" string removed
    -  crcN)lowerreplace
startswithlen)names    ;platform/gsutil/third_party/crcmod_osx/crcmod/predefined.py_simplify_namerI   i   sP     ::<D<<R D<<R DuCJK K    )rG   
identifierpolyreverseinitxor_outcheckz%Duplicate entry for '%s' in CRC tablec                     t         j                  t        |       d       }|st        j                  | d       }|st	        d| z        |S )NzUnkown CRC name '%s')_crc_definitions_by_namegetrI   _crc_definitions_by_identifierKeyErrorcrc_name
definitions     rH   _get_definition_by_namerY      sH    )--nX.FMJ377$G
-899rJ   c                       e Zd Zd Zy)r   c                 z    t        |      }t        j                  j                  | |d   |d   |d   |d          y NrL   rN   rM   rO   )rL   initCrcrevxorOut)rY   crcmodCrc__init__)selfrW   rX   s      rH   rb   zPredefinedCrc.__init__   sP    ,X6


Dz&'9:fCU[efo[p  zD  EN  zO  	PrJ   N)__name__
__module____qualname__rb    rJ   rH   r   r      s    PrJ   c                 b    t        |       }t        j                  |d   |d   |d   |d         S r\   )rY   r`   mkCrcFunrV   s     rH   r   r      sG    (2J??
6 2Jv<NT^_hTir|  ~G  sH  I  IrJ   )__doc__r`   __all__REVERSENON_REVERSE_crc_definitions_tablerI   rR   rT   _crc_definitions_crc_table_headingstable_entrydictzipcrc_definitionappendrG   	ExceptionrY   ra   r   r   ri   rg   rJ   rH   <module>rw      s  ,  
 
5FPT`dlpy5 	JPT`dlpy5 	KPT`dlpy	5
 	IPT`dlpy5 	KPT`dlpy5 	JPT`dlpy5 	KPT`dlpy5 	GPV`flry5 	NPV`flry5 	MPV`flry5 	KPV`flry5 	JPV`flry5 	NPV`flry5  	NPV`flry!5" 	LPV`flry#5$ 	NPV`flry%5& 	MPV`flry'5( 	MPV`flry)5* 	OPV`flry+5, 	JPV`flry-5. 	HPV`flry/50 	KPV`flry152 	KPV`flry35< 	KPV`flry=5> 	OPV`flry?5@ 	MPV`flryA5D 	G	PX`hltyE5F 	O	PX`hltyG5H 	O	PX`hltyI5L 	GPZ`jlvyM5N 	LPZ`jlvyO5P 	HPZ`jlvyQ5R 	HPZ`jlvyS5T 	KPZ`jlvyU5V 	JPZ`jlvyW5X 	HPZ`jlvyY5Z 	KPZ`jlvy[5\ 	IPZ`jlvy]5d 	G0CXjl~  AS  Ve5f 	I0CXjl~  AS  Vg5h 	L0CXjl~  AS  Vi5 p   !#  ] )K#1;?@NN++a.)D''?$FGG%3T"5C";q>2 *PFJJ P I rJ   