o e/@s@ddlZddZddZdZdZdZdd Zd d Zd d ZdS)NcCs(tt|}t|d?t|d>BdS)NljE)u32crc32c)dataxrDD:\Projects\ConvertPro\env\Lib\site-packages\visualdl/utils/crc32.py masked_crc32cs r cCs|d@S)Nr)rrrr rsr(rldlpvBiPl5i5i&ld)lXi۲xi8(kl;+3iCMlLP~l'?Xi$<^io^llDjDl7bi4lpP/isӯ%i 6l#) l5ihiW{lTli]l ^lHxLxiKMNiގ l %l)~ i*}3lNNišLi6il5jhlVTiUXi_Kl%hriAml B+?l1i~iI0lJlF9#iE#l^ni]iYBlZ-RHl~tti}QHia[lbRia}lblv79iuni{Al!flKm@iH+Rl i tiTglWyb+lsEDip9i5*l61il8 loQ|l"Zi!hi%QlYFl$*=`i')uBlM~-idi;=wl8> l7i)i:lqXifl\lezi6ibalaZ'lci`rl}Li~7TitgGlwjlK?ViHtiZ$ lY8pi\,l_=lE,|iF?i TqlWl$F!iblCli@iDi9Wl0Jl vi* i5|zl6#Piݛl3@wl5Di6 PiQpClRF6bi"el!u/lNR iMсvii(ljn5lSi;lvz^iuci 3l xlr*di~@i>.Sl=Biulfl!i)i"fi*8l)OlZ3iٜ+l=~i>= imlN Xl&iǥ1i3V"l0U!i۱l2ll,AYJi/BGi ~TIl}vlPiZliij|iol<;la'ib!i\2l_ivIluELlCji@id Ylg:VlIcpiJZJl{. =ixli^l]l(aFi+[i l[`i?$l<-lO" i7iils7l"i!zlg\i\i=HOl>GzluofiviUl}@ij4li{> l+i 'i7yl4lMG1iNjl [|i#FLiR_lQSZr cCsdt|tjks |jdkrtd|}n|}|tN}|D]}||Ad@}t||d?At@}q|tAS)zUpdate CRC-32C checksum with data. Args: crc: 32-bit checksum to update as long. data: byte array, string or iterable over bytes. Returns: 32-bit updated CRC-32C as long. B)typearrayitemsize_MASK CRC_TABLE)crcrbufbZ table_indexrrr crc_updateNs  rcCs|t@S)zFinalize CRC-32C checksum. This function should be called as last step of crc calculation. Args: crc: 32-bit checksum as long. Returns: finalized 32-bit checksum as long )r)rrrr crc_finalizecsrcCsttt|S)zCompute CRC-32C checksum of the data. Args: data: byte array, string or iterable over bytes. Returns: 32-bit CRC-32C checksum of data as long. )rrCRC_INIT)rrrr rnsr) rr rrrrrrrrrrr s-